scmrw.cpp@ 76572

Last change on this file since 76572 was 76572, checked in by vboxsync, 6 years ago
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1	/* $Id: scmrw.cpp 76572 2019-01-01 04:55:08Z vboxsync $ */
2	/** @file
3	* IPRT Testcase / Tool - Source Code Massager.
4	*/
5
6	/*
7	* Copyright (C) 2010-2019 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#include <iprt/assert.h>
23	#include <iprt/ctype.h>
24	#include <iprt/dir.h>
25	#include <iprt/env.h>
26	#include <iprt/file.h>
27	#include <iprt/err.h>
28	#include <iprt/getopt.h>
29	#include <iprt/initterm.h>
30	#include <iprt/mem.h>
31	#include <iprt/message.h>
32	#include <iprt/param.h>
33	#include <iprt/path.h>
34	#include <iprt/process.h>
35	#include <iprt/stream.h>
36	#include <iprt/string.h>
37
38	#include "scm.h"
39
40
41	/*********************************************************************************************************************************
42	* Structures and Typedefs *
43	*********************************************************************************************************************************/
44	/** License types. */
45	typedef enum SCMLICENSETYPE
46	{
47	kScmLicenseType_Invalid = 0,
48	kScmLicenseType_OseGpl,
49	kScmLicenseType_OseDualGplCddl,
50	kScmLicenseType_OseCddl,
51	kScmLicenseType_VBoxLgpl,
52	kScmLicenseType_Mit,
53	kScmLicenseType_Confidential
54	} SCMLICENSETYPE;
55
56	/** A license. */
57	typedef struct SCMLICENSETEXT
58	{
59	/** The license type. */
60	SCMLICENSETYPE enmType;
61	/** The license option. */
62	SCMLICENSE enmOpt;
63	/** The license text. */
64	const char *psz;
65	/** The license text length. */
66	size_t cch;
67	} SCMLICENSETEXT;
68	/** Pointer to a license. */
69	typedef SCMLICENSETEXT const *PCSCMLICENSETEXT;
70
71	/**
72	* Copyright + license rewriter state.
73	*/
74	typedef struct SCMCOPYRIGHTINFO
75	{
76	/** State. */
77	PSCMRWSTATE pState; /*< input /
78	/** The comment style (neede for C/C++). */
79	SCMCOMMENTSTYLE enmCommentStyle; /*< input /
80
81	/** Number of comments we've parsed. */
82	uint32_t cComments;
83
84	/** Copy of the contributed-by line if present. */
85	char *pszContributedBy;
86
87	/** @name Common info
88	* @{ */
89	uint32_t iLineComment;
90	uint32_t cLinesComment; /*< This excludes any external license lines. /
91	/** @} */
92
93	/** @name Copyright info
94	* @{ */
95	uint32_t iLineCopyright;
96	uint32_t uFirstYear;
97	uint32_t uLastYear;
98	bool fWellFormedCopyright;
99	bool fUpToDateCopyright;
100	/** @} */
101
102	/** @name License info
103	* @{ */
104	bool fOpenSource; /*< input /
105	PCSCMLICENSETEXT pExpectedLicense; /*< input /
106	PCSCMLICENSETEXT paLicenses; /*< input /
107	SCMLICENSE enmLicenceOpt; /*< input /
108	uint32_t iLineLicense;
109	uint32_t cLinesLicense;
110	PCSCMLICENSETEXT pCurrentLicense;
111	bool fIsCorrectLicense;
112	bool fWellFormedLicense;
113	bool fExternalLicense;
114	/** @} */
115
116	/** @name LGPL licence notice and disclaimer info
117	* @{ */
118	/** Wheter to check for LGPL license notices and disclaimers. */
119	bool fCheckforLgpl;
120	/** The approximate line we found the (first) LGPL licence notice on. */
121	uint32_t iLineLgplNotice;
122	/** The line number after the LGPL notice comment. */
123	uint32_t iLineAfterLgplComment;
124	/** The LGPL disclaimer line. */
125	uint32_t iLineLgplDisclaimer;
126	/** @} */
127
128	} SCMCOPYRIGHTINFO;
129	typedef SCMCOPYRIGHTINFO *PSCMCOPYRIGHTINFO;
130
131
132	/*********************************************************************************************************************************
133	* Global Variables *
134	*********************************************************************************************************************************/
135	/** --license-ose-gpl */
136	static const char g_szVBoxOseGpl[] =
137	"This file is part of VirtualBox Open Source Edition (OSE), as\n"
138	"available from http://www.virtualbox.org. This file is free software;\n"
139	"you can redistribute it and/or modify it under the terms of the GNU\n"
140	"General Public License (GPL) as published by the Free Software\n"
141	"Foundation, in version 2 as it comes in the \"COPYING\" file of the\n"
142	"VirtualBox OSE distribution. VirtualBox OSE is distributed in the\n"
143	"hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.\n";
144
145	/** --license-ose-dual */
146	static const char g_szVBoxOseDualGplCddl[] =
147	"This file is part of VirtualBox Open Source Edition (OSE), as\n"
148	"available from http://www.virtualbox.org. This file is free software;\n"
149	"you can redistribute it and/or modify it under the terms of the GNU\n"
150	"General Public License (GPL) as published by the Free Software\n"
151	"Foundation, in version 2 as it comes in the \"COPYING\" file of the\n"
152	"VirtualBox OSE distribution. VirtualBox OSE is distributed in the\n"
153	"hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.\n"
154	"\n"
155	"The contents of this file may alternatively be used under the terms\n"
156	"of the Common Development and Distribution License Version 1.0\n"
157	"(CDDL) only, as it comes in the \"COPYING.CDDL\" file of the\n"
158	"VirtualBox OSE distribution, in which case the provisions of the\n"
159	"CDDL are applicable instead of those of the GPL.\n"
160	"\n"
161	"You may elect to license modified versions of this file under the\n"
162	"terms and conditions of either the GPL or the CDDL or both.\n";
163
164	/** --license-ose-cddl */
165	static const char g_szVBoxOseCddl[] =
166	"This file is part of VirtualBox Open Source Edition (OSE), as\n"
167	"available from http://www.virtualbox.org. This file is free software;\n"
168	"you can redistribute it and/or modify it under the terms of the Common\n"
169	"Development and Distribution License Version 1.0 (CDDL) only, as it\n"
170	"comes in the \"COPYING.CDDL\" file of the VirtualBox OSE distribution.\n"
171	"VirtualBox OSE is distributed in the hope that it will be useful, but\n"
172	"WITHOUT ANY WARRANTY of any kind.\n";
173
174	/** --license-lgpl */
175	static const char g_szVBoxLgpl[] =
176	"This file is part of a free software library; you can redistribute\n"
177	"it and/or modify it under the terms of the GNU Lesser General\n"
178	"Public License version 2.1 as published by the Free Software\n"
179	"Foundation and shipped in the \"COPYING\" file with this library.\n"
180	"The library is distributed in the hope that it will be useful,\n"
181	"but WITHOUT ANY WARRANTY of any kind.\n"
182	"\n"
183	"Oracle LGPL Disclaimer: For the avoidance of doubt, except that if\n"
184	"any license choice other than GPL or LGPL is available it will\n"
185	"apply instead, Oracle elects to use only the Lesser General Public\n"
186	"License version 2.1 (LGPLv2) at this time for any software where\n"
187	"a choice of LGPL license versions is made available with the\n"
188	"language indicating that LGPLv2 or any later version may be used,\n"
189	"or where a choice of which version of the LGPL is applied is\n"
190	"otherwise unspecified.\n";
191
192	/** --license-mit
193	* @note This isn't detectable as VirtualBox or Oracle specific.
194	*/
195	static const char g_szMit[] =
196	"Permission is hereby granted, free of charge, to any person\n"
197	"obtaining a copy of this software and associated documentation\n"
198	"files (the \"Software\"), to deal in the Software without\n"
199	"restriction, including without limitation the rights to use,\n"
200	"copy, modify, merge, publish, distribute, sublicense, and/or sell\n"
201	"copies of the Software, and to permit persons to whom the\n"
202	"Software is furnished to do so, subject to the following\n"
203	"conditions:\n"
204	"\n"
205	"The above copyright notice and this permission notice shall be\n"
206	"included in all copies or substantial portions of the Software.\n"
207	"\n"
208	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n"
209	"EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES\n"
210	"OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n"
211	"NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n"
212	"HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n"
213	"WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n"
214	"FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n"
215	"OTHER DEALINGS IN THE SOFTWARE.\n";
216
217	/** --license-mit, alternative wording \#1.
218	* @note This differes from g_szMit in "AUTHORS OR COPYRIGHT HOLDERS" is written
219	* "COPYRIGHT HOLDER(S) OR AUTHOR(S)". Its layout is wider, so it is a
220	* couple of lines shorter. */
221	static const char g_szMitAlt1[] =
222	"Permission is hereby granted, free of charge, to any person obtaining a\n"
223	"copy of this software and associated documentation files (the \"Software\"),\n"
224	"to deal in the Software without restriction, including without limitation\n"
225	"the rights to use, copy, modify, merge, publish, distribute, sublicense,\n"
226	"and/or sell copies of the Software, and to permit persons to whom the\n"
227	"Software is furnished to do so, subject to the following conditions:\n"
228	"\n"
229	"The above copyright notice and this permission notice shall be included in\n"
230	"all copies or substantial portions of the Software.\n"
231	"\n"
232	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n"
233	"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n"
234	"FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\n"
235	"THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR\n"
236	"OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,\n"
237	"ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n"
238	"OTHER DEALINGS IN THE SOFTWARE.\n";
239
240	/** --license-mit, alternative wording \#2.
241	* @note This differes from g_szMit in that "AUTHORS OR COPYRIGHT HOLDERS" is
242	* replaced with "THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS".
243	* Its layout is wider, so it is a couple of lines shorter. */
244	static const char g_szMitAlt2[] =
245	"Permission is hereby granted, free of charge, to any person obtaining a\n"
246	"copy of this software and associated documentation files (the \"Software\"),\n"
247	"to deal in the Software without restriction, including without limitation\n"
248	"the rights to use, copy, modify, merge, publish, distribute, sublicense,\n"
249	"and/or sell copies of the Software, and to permit persons to whom the\n"
250	"Software is furnished to do so, subject to the following conditions:\n"
251	"\n"
252	"The above copyright notice and this permission notice shall be included in\n"
253	"all copies or substantial portions of the Software.\n"
254	"\n"
255	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n"
256	"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n"
257	"FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n"
258	"THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,\n"
259	"DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n"
260	"OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n"
261	"USE OR OTHER DEALINGS IN THE SOFTWARE.\n";
262
263	/** --license-mit, alternative wording \#3.
264	* @note This differes from g_szMitAlt2 in that the second and third sections
265	* have been switch. */
266	static const char g_szMitAlt3[] =
267	"Permission is hereby granted, free of charge, to any person obtaining a\n"
268	"copy of this software and associated documentation files (the \"Software\"),\n"
269	"to deal in the Software without restriction, including without limitation\n"
270	"the rights to use, copy, modify, merge, publish, distribute, sublicense,\n"
271	"and/or sell copies of the Software, and to permit persons to whom the\n"
272	"Software is furnished to do so, subject to the following conditions:\n"
273	"\n"
274	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n"
275	"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n"
276	"FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n"
277	"THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,\n"
278	"DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n"
279	"OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n"
280	"USE OR OTHER DEALINGS IN THE SOFTWARE.\n"
281	"\n"
282	"The above copyright notice and this permission notice shall be included in\n"
283	"all copies or substantial portions of the Software.\n";
284
285	/** --license-(based-on)mit, alternative wording \#4.
286	* @note This differs from g_szMitAlt2 in injecting "(including the next
287	* paragraph)". */
288	static const char g_szMitAlt4[] =
289	"Permission is hereby granted, free of charge, to any person obtaining a\n"
290	"copy of this software and associated documentation files (the \"Software\"),\n"
291	"to deal in the Software without restriction, including without limitation\n"
292	"the rights to use, copy, modify, merge, publish, distribute, sublicense,\n"
293	"and/or sell copies of the Software, and to permit persons to whom the\n"
294	"Software is furnished to do so, subject to the following conditions:\n"
295	"\n"
296	"The above copyright notice and this permission notice (including the next\n"
297	"paragraph) shall be included in all copies or substantial portions of the\n"
298	"Software.\n"
299	"\n"
300	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n"
301	"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n"
302	"FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\n"
303	"THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n"
304	"LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n"
305	"FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER\n"
306	"DEALINGS IN THE SOFTWARE.\n";
307
308	/** --license-(based-on)mit, alternative wording \#5.
309	* @note This differs from g_szMitAlt3 in using "sub license" instead of
310	* "sublicense" and adding an illogical "(including the next
311	* paragraph)" remark to the final paragraph. (vbox_ttm.c) */
312	static const char g_szMitAlt5[] =
313	"Permission is hereby granted, free of charge, to any person obtaining a\n"
314	"copy of this software and associated documentation files (the\n"
315	"\"Software\"), to deal in the Software without restriction, including\n"
316	"without limitation the rights to use, copy, modify, merge, publish,\n"
317	"distribute, sub license, and/or sell copies of the Software, and to\n"
318	"permit persons to whom the Software is furnished to do so, subject to\n"
319	"the following conditions:\n"
320	"\n"
321	"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n"
322	"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n"
323	"FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL\n"
324	"THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,\n"
325	"DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n"
326	"OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n"
327	"USE OR OTHER DEALINGS IN THE SOFTWARE.\n"
328	"\n"
329	"The above copyright notice and this permission notice (including the\n"
330	"next paragraph) shall be included in all copies or substantial portions\n"
331	"of the Software.\n";
332
333	/** Oracle confidential. */
334	static const char g_szOracleConfidential[] =
335	"Oracle Corporation confidential\n"
336	"All rights reserved\n";
337
338	/** Licenses to detect when --license-mit isn't used. */
339	static const SCMLICENSETEXT g_aLicenses[] =
340	{
341	{ kScmLicenseType_OseGpl, kScmLicense_OseGpl, RT_STR_TUPLE(g_szVBoxOseGpl)},
342	{ kScmLicenseType_OseDualGplCddl, kScmLicense_OseDualGplCddl, RT_STR_TUPLE(g_szVBoxOseDualGplCddl) },
343	{ kScmLicenseType_OseCddl, kScmLicense_OseCddl, RT_STR_TUPLE(g_szVBoxOseCddl) },
344	{ kScmLicenseType_VBoxLgpl, kScmLicense_Lgpl, RT_STR_TUPLE(g_szVBoxLgpl)},
345	{ kScmLicenseType_Confidential, kScmLicense_End, RT_STR_TUPLE(g_szOracleConfidential) },
346	{ kScmLicenseType_Invalid, kScmLicense_End, NULL, 0 },
347	};
348
349	/** Licenses to detect when --license-mit or --license-based-on-mit are used. */
350	static const SCMLICENSETEXT g_aLicensesWithMit[] =
351	{
352	{ kScmLicenseType_Mit, kScmLicense_Mit, RT_STR_TUPLE(g_szMit) },
353	{ kScmLicenseType_Mit, kScmLicense_Mit, RT_STR_TUPLE(g_szMitAlt1) },
354	{ kScmLicenseType_Mit, kScmLicense_Mit, RT_STR_TUPLE(g_szMitAlt2) },
355	{ kScmLicenseType_Mit, kScmLicense_Mit, RT_STR_TUPLE(g_szMitAlt3) },
356	{ kScmLicenseType_Mit, kScmLicense_Mit, RT_STR_TUPLE(g_szMitAlt4) },
357	{ kScmLicenseType_Mit, kScmLicense_Mit, RT_STR_TUPLE(g_szMitAlt5) },
358	{ kScmLicenseType_OseGpl, kScmLicense_OseGpl, RT_STR_TUPLE(g_szVBoxOseGpl)},
359	{ kScmLicenseType_OseDualGplCddl, kScmLicense_OseDualGplCddl, RT_STR_TUPLE(g_szVBoxOseDualGplCddl) },
360	{ kScmLicenseType_VBoxLgpl, kScmLicense_Lgpl, RT_STR_TUPLE(g_szVBoxLgpl)},
361	{ kScmLicenseType_Confidential, kScmLicense_End, RT_STR_TUPLE(g_szOracleConfidential) },
362	{ kScmLicenseType_Invalid, kScmLicense_End, NULL, 0 },
363	};
364
365	/** Copyright holder. */
366	static const char g_szCopyrightHolder[] = "Oracle Corporation";
367
368	/** LGPL disclaimer. */
369	static const char g_szLgplDisclaimer[] =
370	"Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice\n"
371	"other than GPL or LGPL is available it will apply instead, Oracle elects to use only\n"
372	"the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where\n"
373	"a choice of LGPL license versions is made available with the language indicating\n"
374	"that LGPLv2 or any later version may be used, or where a choice of which version\n"
375	"of the LGPL is applied is otherwise unspecified.\n";
376
377	/** Copyright+license comment start for each SCMCOMMENTSTYLE. */
378	static RTSTRTUPLE const g_aCopyrightCommentStart[] =
379	{
380	{ RT_STR_TUPLE("<invalid> ") },
381	{ RT_STR_TUPLE("/*") },
382	{ RT_STR_TUPLE("#") },
383	{ RT_STR_TUPLE("\"\"\"") },
384	{ RT_STR_TUPLE(";") },
385	{ RT_STR_TUPLE("REM") },
386	{ RT_STR_TUPLE("rem") },
387	{ RT_STR_TUPLE("Rem") },
388	{ RT_STR_TUPLE("--") },
389	{ RT_STR_TUPLE("'") },
390	{ RT_STR_TUPLE("<end>") },
391	};
392
393	/** Copyright+license line prefix for each SCMCOMMENTSTYLE. */
394	static RTSTRTUPLE const g_aCopyrightCommentPrefix[] =
395	{
396	{ RT_STR_TUPLE("<invalid> ") },
397	{ RT_STR_TUPLE(" * ") },
398	{ RT_STR_TUPLE("# ") },
399	{ RT_STR_TUPLE("") },
400	{ RT_STR_TUPLE("; ") },
401	{ RT_STR_TUPLE("REM ") },
402	{ RT_STR_TUPLE("rem ") },
403	{ RT_STR_TUPLE("Rem ") },
404	{ RT_STR_TUPLE("-- ") },
405	{ RT_STR_TUPLE("' ") },
406	{ RT_STR_TUPLE("<end>") },
407	};
408
409	/** Copyright+license empty line for each SCMCOMMENTSTYLE. */
410	static RTSTRTUPLE const g_aCopyrightCommentEmpty[] =
411	{
412	{ RT_STR_TUPLE("<invalid>") },
413	{ RT_STR_TUPLE(" *") },
414	{ RT_STR_TUPLE("#") },
415	{ RT_STR_TUPLE("") },
416	{ RT_STR_TUPLE(";") },
417	{ RT_STR_TUPLE("REM") },
418	{ RT_STR_TUPLE("rem") },
419	{ RT_STR_TUPLE("Rem") },
420	{ RT_STR_TUPLE("--") },
421	{ RT_STR_TUPLE("'") },
422	{ RT_STR_TUPLE("<end>") },
423	};
424
425	/** Copyright+license end of comment for each SCMCOMMENTSTYLE. */
426	static RTSTRTUPLE const g_aCopyrightCommentEnd[] =
427	{
428	{ RT_STR_TUPLE("<invalid> ") },
429	{ RT_STR_TUPLE(" */") },
430	{ RT_STR_TUPLE("#") },
431	{ RT_STR_TUPLE("\"\"\"") },
432	{ RT_STR_TUPLE(";") },
433	{ RT_STR_TUPLE("REM") },
434	{ RT_STR_TUPLE("rem") },
435	{ RT_STR_TUPLE("Rem") },
436	{ RT_STR_TUPLE("--") },
437	{ RT_STR_TUPLE("'") },
438	{ RT_STR_TUPLE("<end>") },
439	};
440
441
442	/**
443	* Figures out the predominant casing of the "REM" keyword in a batch file.
444	*
445	* @returns Predominant comment style.
446	* @param pIn The file to scan. Will be rewound.
447	*/
448	static SCMCOMMENTSTYLE determinBatchFileCommentStyle(PSCMSTREAM pIn)
449	{
450	/*
451	* Figure out whether it's using upper or lower case REM comments before
452	* doing the work.
453	*/
454	uint32_t cUpper = 0;
455	uint32_t cLower = 0;
456	uint32_t cCamel = 0;
457	SCMEOL enmEol;
458	size_t cchLine;
459	const char *pchLine;
460	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
461	{
462	while ( cchLine > 2
463	&& RT_C_IS_SPACE(*pchLine))
464	{
465	pchLine++;
466	cchLine--;
467	}
468	if ( ( cchLine > 3
469	&& RT_C_IS_SPACE(pchLine[2]))
470	\|\| cchLine == 3)
471	{
472	if ( pchLine[0] == 'R'
473	&& pchLine[1] == 'E'
474	&& pchLine[2] == 'M')
475	cUpper++;
476	else if ( pchLine[0] == 'r'
477	&& pchLine[1] == 'e'
478	&& pchLine[2] == 'm')
479	cLower++;
480	else if ( pchLine[0] == 'R'
481	&& pchLine[1] == 'e'
482	&& pchLine[2] == 'm')
483	cCamel++;
484	}
485	}
486
487	ScmStreamRewindForReading(pIn);
488
489	if (cLower >= cUpper && cLower >= cCamel)
490	return kScmCommentStyle_Rem_Lower;
491	if (cCamel >= cLower && cCamel >= cUpper)
492	return kScmCommentStyle_Rem_Camel;
493	return kScmCommentStyle_Rem_Upper;
494	}
495
496
497	/**
498	* Worker for isBlankLine.
499	*
500	* @returns true if blank, false if not.
501	* @param pchLine Pointer to the start of the line.
502	* @param cchLine The (encoded) length of the line, excluding EOL char.
503	*/
504	static bool isBlankLineSlow(const char *pchLine, size_t cchLine)
505	{
506	/*
507	* From the end, more likely to hit a non-blank char there.
508	*/
509	while (cchLine-- > 0)
510	if (!RT_C_IS_BLANK(pchLine[cchLine]))
511	return false;
512	return true;
513	}
514
515	/**
516	* Helper for checking whether a line is blank.
517	*
518	* @returns true if blank, false if not.
519	* @param pchLine Pointer to the start of the line.
520	* @param cchLine The (encoded) length of the line, excluding EOL char.
521	*/
522	DECLINLINE(bool) isBlankLine(const char *pchLine, size_t cchLine)
523	{
524	if (cchLine == 0)
525	return true;
526	/*
527	* We're more likely to fine a non-space char at the end of the line than
528	* at the start, due to source code indentation.
529	*/
530	if (pchLine[cchLine - 1])
531	return false;
532
533	/*
534	* Don't bother inlining loop code.
535	*/
536	return isBlankLineSlow(pchLine, cchLine);
537	}
538
539
540	/**
541	* Checks if there are @a cch blanks at @a pch.
542	*
543	* @returns true if span of @a cch blanks, false if not.
544	* @param pch The start of the span to check.
545	* @param cch The length of the span.
546	*/
547	DECLINLINE(bool) isSpanOfBlanks(const char *pch, size_t cch)
548	{
549	while (cch-- > 0)
550	{
551	char const ch = *pch++;
552	if (!RT_C_IS_BLANK(ch))
553	return false;
554	}
555	return true;
556	}
557
558
559	/**
560	* Strip trailing blanks (space & tab).
561	*
562	* @returns True if modified, false if not.
563	* @param pIn The input stream.
564	* @param pOut The output stream.
565	* @param pSettings The settings.
566	*/
567	bool rewrite_StripTrailingBlanks(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
568	{
569	if (!pSettings->fStripTrailingBlanks)
570	return false;
571
572	bool fModified = false;
573	SCMEOL enmEol;
574	size_t cchLine;
575	const char *pchLine;
576	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
577	{
578	int rc;
579	if ( cchLine == 0
580	\|\| !RT_C_IS_BLANK(pchLine[cchLine - 1]) )
581	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
582	else
583	{
584	cchLine--;
585	while (cchLine > 0 && RT_C_IS_BLANK(pchLine[cchLine - 1]))
586	cchLine--;
587	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
588	fModified = true;
589	}
590	if (RT_FAILURE(rc))
591	return false;
592	}
593	if (fModified)
594	ScmVerbose(pState, 2, " * Stripped trailing blanks\n");
595	return fModified;
596	}
597
598	/**
599	* Expand tabs.
600	*
601	* @returns True if modified, false if not.
602	* @param pIn The input stream.
603	* @param pOut The output stream.
604	* @param pSettings The settings.
605	*/
606	bool rewrite_ExpandTabs(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
607	{
608	if (!pSettings->fConvertTabs)
609	return false;
610
611	size_t const cchTab = pSettings->cchTab;
612	bool fModified = false;
613	SCMEOL enmEol;
614	size_t cchLine;
615	const char *pchLine;
616	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
617	{
618	int rc;
619	const char pchTab = (const char )memchr(pchLine, '\t', cchLine);
620	if (!pchTab)
621	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
622	else
623	{
624	size_t offTab = 0;
625	const char *pchChunk = pchLine;
626	for (;;)
627	{
628	size_t cchChunk = pchTab - pchChunk;
629	offTab += cchChunk;
630	ScmStreamWrite(pOut, pchChunk, cchChunk);
631
632	size_t cchToTab = cchTab - offTab % cchTab;
633	ScmStreamWrite(pOut, g_szTabSpaces, cchToTab);
634	offTab += cchToTab;
635
636	pchChunk = pchTab + 1;
637	size_t cchLeft = cchLine - (pchChunk - pchLine);
638	pchTab = (const char *)memchr(pchChunk, '\t', cchLeft);
639	if (!pchTab)
640	{
641	rc = ScmStreamPutLine(pOut, pchChunk, cchLeft, enmEol);
642	break;
643	}
644	}
645
646	fModified = true;
647	}
648	if (RT_FAILURE(rc))
649	return false;
650	}
651	if (fModified)
652	ScmVerbose(pState, 2, " * Expanded tabs\n");
653	return fModified;
654	}
655
656	/**
657	* Worker for rewrite_ForceNativeEol, rewrite_ForceLF and rewrite_ForceCRLF.
658	*
659	* @returns true if modifications were made, false if not.
660	* @param pIn The input stream.
661	* @param pOut The output stream.
662	* @param pSettings The settings.
663	* @param enmDesiredEol The desired end of line indicator type.
664	* @param pszDesiredSvnEol The desired svn:eol-style.
665	*/
666	static bool rewrite_ForceEol(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings,
667	SCMEOL enmDesiredEol, const char *pszDesiredSvnEol)
668	{
669	if (!pSettings->fConvertEol)
670	return false;
671
672	bool fModified = false;
673	SCMEOL enmEol;
674	size_t cchLine;
675	const char *pchLine;
676	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
677	{
678	if ( enmEol != enmDesiredEol
679	&& enmEol != SCMEOL_NONE)
680	{
681	fModified = true;
682	enmEol = enmDesiredEol;
683	}
684	int rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
685	if (RT_FAILURE(rc))
686	return false;
687	}
688	if (fModified)
689	ScmVerbose(pState, 2, " * Converted EOL markers\n");
690
691	/* Check svn:eol-style if appropriate */
692	if ( pSettings->fSetSvnEol
693	&& ScmSvnIsInWorkingCopy(pState))
694	{
695	char *pszEol;
696	int rc = ScmSvnQueryProperty(pState, "svn:eol-style", &pszEol);
697	if ( (RT_SUCCESS(rc) && strcmp(pszEol, pszDesiredSvnEol))
698	\|\| rc == VERR_NOT_FOUND)
699	{
700	if (rc == VERR_NOT_FOUND)
701	ScmVerbose(pState, 2, " * Setting svn:eol-style to %s (missing)\n", pszDesiredSvnEol);
702	else
703	ScmVerbose(pState, 2, " * Setting svn:eol-style to %s (was: %s)\n", pszDesiredSvnEol, pszEol);
704	int rc2 = ScmSvnSetProperty(pState, "svn:eol-style", pszDesiredSvnEol);
705	if (RT_FAILURE(rc2))
706	ScmError(pState, rc2, "ScmSvnSetProperty: %Rrc\n", rc2);
707	}
708	if (RT_SUCCESS(rc))
709	RTStrFree(pszEol);
710	}
711
712	/** @todo also check the subversion svn:eol-style state! */
713	return fModified;
714	}
715
716	/**
717	* Force native end of line indicator.
718	*
719	* @returns true if modifications were made, false if not.
720	* @param pIn The input stream.
721	* @param pOut The output stream.
722	* @param pSettings The settings.
723	*/
724	bool rewrite_ForceNativeEol(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
725	{
726	#if defined(RT_OS_WINDOWS) \|\| defined(RT_OS_OS2)
727	return rewrite_ForceEol(pState, pIn, pOut, pSettings, SCMEOL_CRLF, "native");
728	#else
729	return rewrite_ForceEol(pState, pIn, pOut, pSettings, SCMEOL_LF, "native");
730	#endif
731	}
732
733	/**
734	* Force the stream to use LF as the end of line indicator.
735	*
736	* @returns true if modifications were made, false if not.
737	* @param pIn The input stream.
738	* @param pOut The output stream.
739	* @param pSettings The settings.
740	*/
741	bool rewrite_ForceLF(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
742	{
743	return rewrite_ForceEol(pState, pIn, pOut, pSettings, SCMEOL_LF, "LF");
744	}
745
746	/**
747	* Force the stream to use CRLF as the end of line indicator.
748	*
749	* @returns true if modifications were made, false if not.
750	* @param pIn The input stream.
751	* @param pOut The output stream.
752	* @param pSettings The settings.
753	*/
754	bool rewrite_ForceCRLF(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
755	{
756	return rewrite_ForceEol(pState, pIn, pOut, pSettings, SCMEOL_CRLF, "CRLF");
757	}
758
759	/**
760	* Strip trailing blank lines and/or make sure there is exactly one blank line
761	* at the end of the file.
762	*
763	* @returns true if modifications were made, false if not.
764	* @param pIn The input stream.
765	* @param pOut The output stream.
766	* @param pSettings The settings.
767	*
768	* @remarks ASSUMES trailing white space has been removed already.
769	*/
770	bool rewrite_AdjustTrailingLines(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
771	{
772	if ( !pSettings->fStripTrailingLines
773	&& !pSettings->fForceTrailingLine
774	&& !pSettings->fForceFinalEol)
775	return false;
776
777	size_t const cLines = ScmStreamCountLines(pIn);
778
779	/* Empty files remains empty. */
780	if (cLines <= 1)
781	return false;
782
783	/* Figure out if we need to adjust the number of lines or not. */
784	size_t cLinesNew = cLines;
785
786	if ( pSettings->fStripTrailingLines
787	&& ScmStreamIsWhiteLine(pIn, cLinesNew - 1))
788	{
789	while ( cLinesNew > 1
790	&& ScmStreamIsWhiteLine(pIn, cLinesNew - 2))
791	cLinesNew--;
792	}
793
794	if ( pSettings->fForceTrailingLine
795	&& !ScmStreamIsWhiteLine(pIn, cLinesNew - 1))
796	cLinesNew++;
797
798	bool fFixMissingEol = pSettings->fForceFinalEol
799	&& ScmStreamGetEolByLine(pIn, cLinesNew - 1) == SCMEOL_NONE;
800
801	if ( !fFixMissingEol
802	&& cLines == cLinesNew)
803	return false;
804
805	/* Copy the number of lines we've arrived at. */
806	ScmStreamRewindForReading(pIn);
807
808	size_t cCopied = RT_MIN(cLinesNew, cLines);
809	ScmStreamCopyLines(pOut, pIn, cCopied);
810
811	if (cCopied != cLinesNew)
812	{
813	while (cCopied++ < cLinesNew)
814	ScmStreamPutLine(pOut, "", 0, ScmStreamGetEol(pIn));
815	}
816	/* Fix missing EOL if required. */
817	else if (fFixMissingEol)
818	{
819	if (ScmStreamGetEol(pIn) == SCMEOL_LF)
820	ScmStreamWrite(pOut, "\n", 1);
821	else
822	ScmStreamWrite(pOut, "\r\n", 2);
823	}
824
825	ScmVerbose(pState, 2, " * Adjusted trailing blank lines\n");
826	return true;
827	}
828
829	/**
830	* Make sure there is no svn:executable property on the current file.
831	*
832	* @returns false - the state carries these kinds of changes.
833	* @param pState The rewriter state.
834	* @param pIn The input stream.
835	* @param pOut The output stream.
836	* @param pSettings The settings.
837	*/
838	bool rewrite_SvnNoExecutable(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
839	{
840	RT_NOREF2(pIn, pOut);
841	if ( !pSettings->fSetSvnExecutable
842	\|\| !ScmSvnIsInWorkingCopy(pState))
843	return false;
844
845	int rc = ScmSvnQueryProperty(pState, "svn:executable", NULL);
846	if (RT_SUCCESS(rc))
847	{
848	ScmVerbose(pState, 2, " * removing svn:executable\n");
849	rc = ScmSvnDelProperty(pState, "svn:executable");
850	if (RT_FAILURE(rc))
851	ScmError(pState, rc, "ScmSvnSetProperty: %Rrc\n", rc);
852	}
853	return false;
854	}
855
856	/**
857	* Make sure there is no svn:keywords property on the current file.
858	*
859	* @returns false - the state carries these kinds of changes.
860	* @param pState The rewriter state.
861	* @param pIn The input stream.
862	* @param pOut The output stream.
863	* @param pSettings The settings.
864	*/
865	bool rewrite_SvnNoKeywords(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
866	{
867	RT_NOREF2(pIn, pOut);
868	if ( !pSettings->fSetSvnExecutable
869	\|\| !ScmSvnIsInWorkingCopy(pState))
870	return false;
871
872	int rc = ScmSvnQueryProperty(pState, "svn:keywords", NULL);
873	if (RT_SUCCESS(rc))
874	{
875	ScmVerbose(pState, 2, " * removing svn:keywords\n");
876	rc = ScmSvnDelProperty(pState, "svn:keywords");
877	if (RT_FAILURE(rc))
878	ScmError(pState, rc, "ScmSvnSetProperty: %Rrc\n", rc);
879	}
880	return false;
881	}
882
883	/**
884	* Make sure there is no svn:eol-style property on the current file.
885	*
886	* @returns false - the state carries these kinds of changes.
887	* @param pState The rewriter state.
888	* @param pIn The input stream.
889	* @param pOut The output stream.
890	* @param pSettings The settings.
891	*/
892	bool rewrite_SvnNoEolStyle(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
893	{
894	RT_NOREF2(pIn, pOut);
895	if ( !pSettings->fSetSvnExecutable
896	\|\| !ScmSvnIsInWorkingCopy(pState))
897	return false;
898
899	int rc = ScmSvnQueryProperty(pState, "svn:eol-style", NULL);
900	if (RT_SUCCESS(rc))
901	{
902	ScmVerbose(pState, 2, " * removing svn:eol-style\n");
903	rc = ScmSvnDelProperty(pState, "svn:eol-style");
904	if (RT_FAILURE(rc))
905	ScmError(pState, rc, "ScmSvnSetProperty: %Rrc\n", rc);
906	}
907	return false;
908	}
909
910	/**
911	* Makes sure the svn properties are appropriate for a binary.
912	*
913	* @returns false - the state carries these kinds of changes.
914	* @param pState The rewriter state.
915	* @param pIn The input stream.
916	* @param pOut The output stream.
917	* @param pSettings The settings.
918	*/
919	bool rewrite_SvnBinary(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
920	{
921	RT_NOREF2(pIn, pOut);
922	if ( !pSettings->fSetSvnExecutable
923	\|\| !ScmSvnIsInWorkingCopy(pState))
924	return false;
925
926	/* remove svn:eol-style and svn:keywords */
927	static const char * const s_apszRemove[] = { "svn:eol-style", "svn:keywords" };
928	for (uint32_t i = 0; i < RT_ELEMENTS(s_apszRemove); i++)
929	{
930	char *pszValue;
931	int rc = ScmSvnQueryProperty(pState, s_apszRemove[i], &pszValue);
932	if (RT_SUCCESS(rc))
933	{
934	ScmVerbose(pState, 2, " * removing %s=%s\n", s_apszRemove[i], pszValue);
935	RTStrFree(pszValue);
936	rc = ScmSvnDelProperty(pState, s_apszRemove[i]);
937	if (RT_FAILURE(rc))
938	ScmError(pState, rc, "ScmSvnSetProperty(,%s): %Rrc\n", s_apszRemove[i], rc);
939	}
940	else if (rc != VERR_NOT_FOUND)
941	ScmError(pState, rc, "ScmSvnQueryProperty: %Rrc\n", rc);
942	}
943
944	/* Make sure there is a svn:mime-type set. */
945	int rc = ScmSvnQueryProperty(pState, "svn:mime-type", NULL);
946	if (rc == VERR_NOT_FOUND)
947	{
948	ScmVerbose(pState, 2, " * settings svn:mime-type\n");
949	rc = ScmSvnSetProperty(pState, "svn:mime-type", "application/octet-stream");
950	if (RT_FAILURE(rc))
951	ScmError(pState, rc, "ScmSvnSetProperty: %Rrc\n", rc);
952	}
953	else if (RT_FAILURE(rc))
954	ScmError(pState, rc, "ScmSvnQueryProperty: %Rrc\n", rc);
955
956	return false;
957	}
958
959	/**
960	* Make sure the Id and Revision keywords are expanded.
961	*
962	* @returns false - the state carries these kinds of changes.
963	* @param pState The rewriter state.
964	* @param pIn The input stream.
965	* @param pOut The output stream.
966	* @param pSettings The settings.
967	*/
968	bool rewrite_SvnKeywords(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
969	{
970	RT_NOREF2(pIn, pOut);
971	if ( !pSettings->fSetSvnKeywords
972	\|\| !ScmSvnIsInWorkingCopy(pState))
973	return false;
974
975	char *pszKeywords;
976	int rc = ScmSvnQueryProperty(pState, "svn:keywords", &pszKeywords);
977	if ( RT_SUCCESS(rc)
978	&& ( !strstr(pszKeywords, "Id") /** @todo need some function for finding a word in a string. */
979	\|\| !strstr(pszKeywords, "Revision")) )
980	{
981	if (!strstr(pszKeywords, "Id") && !strstr(pszKeywords, "Revision"))
982	rc = RTStrAAppend(&pszKeywords, " Id Revision");
983	else if (!strstr(pszKeywords, "Id"))
984	rc = RTStrAAppend(&pszKeywords, " Id");
985	else
986	rc = RTStrAAppend(&pszKeywords, " Revision");
987	if (RT_SUCCESS(rc))
988	{
989	ScmVerbose(pState, 2, " * changing svn:keywords to '%s'\n", pszKeywords);
990	rc = ScmSvnSetProperty(pState, "svn:keywords", pszKeywords);
991	if (RT_FAILURE(rc))
992	ScmError(pState, rc, "ScmSvnSetProperty: %Rrc\n", rc);
993	}
994	else
995	ScmError(pState, rc, "RTStrAppend: %Rrc\n", rc);
996	RTStrFree(pszKeywords);
997	}
998	else if (rc == VERR_NOT_FOUND)
999	{
1000	ScmVerbose(pState, 2, " * setting svn:keywords to 'Id Revision'\n");
1001	rc = ScmSvnSetProperty(pState, "svn:keywords", "Id Revision");
1002	if (RT_FAILURE(rc))
1003	ScmError(pState, rc, "ScmSvnSetProperty: %Rrc\n", rc);
1004	}
1005	else if (RT_SUCCESS(rc))
1006	RTStrFree(pszKeywords);
1007
1008	return false;
1009	}
1010
1011	/**
1012	* Checks the svn:sync-process value and that parent is exported too.
1013	*
1014	* @returns false - the state carries these kinds of changes.
1015	* @param pState The rewriter state.
1016	* @param pIn The input stream.
1017	* @param pOut The output stream.
1018	* @param pSettings The settings.
1019	*/
1020	bool rewrite_SvnSyncProcess(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1021	{
1022	RT_NOREF2(pIn, pOut);
1023	if ( pSettings->fSkipSvnSyncProcess
1024	\|\| !ScmSvnIsInWorkingCopy(pState))
1025	return false;
1026
1027	char *pszSyncProcess;
1028	int rc = ScmSvnQueryProperty(pState, "svn:sync-process", &pszSyncProcess);
1029	if (RT_SUCCESS(rc))
1030	{
1031	if (strcmp(pszSyncProcess, "export") == 0)
1032	{
1033	char *pszParentSyncProcess;
1034	rc = ScmSvnQueryParentProperty(pState, "svn:sync-process", &pszParentSyncProcess);
1035	if (RT_SUCCESS(rc))
1036	{
1037	if (strcmp(pszSyncProcess, "export") != 0)
1038	ScmError(pState, VERR_INVALID_STATE,
1039	"svn:sync-process=export, but parent directory differs: %s\n"
1040	"WARNING! Make sure to unexport everything inside the directory first!\n"
1041	" Then you may export the directory and stuff inside it if you want.\n"
1042	" (Just exporting the directory will not make anything inside it externally visible.)\n"
1043	, pszParentSyncProcess);
1044	RTStrFree(pszParentSyncProcess);
1045	}
1046	else if (rc == VERR_NOT_FOUND)
1047	ScmError(pState, VERR_NOT_FOUND,
1048	"svn:sync-process=export, but parent directory is not exported!\n"
1049	"WARNING! Make sure to unexport everything inside the directory first!\n"
1050	" Then you may export the directory and stuff inside it if you want.\n"
1051	" (Just exporting the directory will not make anything inside it externally visible.)\n");
1052	else
1053	ScmError(pState, rc, "ScmSvnQueryParentProperty: %Rrc\n", rc);
1054	}
1055	else if (strcmp(pszSyncProcess, "ignore") != 0)
1056	ScmError(pState, VERR_INVALID_NAME, "Bad sync-process value: %s\n", pszSyncProcess);
1057	RTStrFree(pszSyncProcess);
1058	}
1059	else if (rc != VERR_NOT_FOUND)
1060	ScmError(pState, rc, "ScmSvnQueryProperty: %Rrc\n", rc);
1061
1062	return false;
1063	}
1064
1065	/**
1066	* Compares two strings word-by-word, ignoring spaces, punctuation and case.
1067	*
1068	* Assumes ASCII strings.
1069	*
1070	* @returns true if they match, false if not.
1071	* @param psz1 The first string. This is typically the known one.
1072	* @param psz2 The second string. This is typically the unknown one,
1073	* which is why we return a next pointer for this one.
1074	* @param ppsz2Next Where to return the next part of the 2nd string. If
1075	* this is NULL, the whole string must match.
1076	*/
1077	static bool IsEqualWordByWordIgnoreCase(const char psz1, const char psz2, const char **ppsz2Next)
1078	{
1079	for (;;)
1080	{
1081	/* Try compare raw strings first. */
1082	char ch1 = *psz1;
1083	char ch2 = *psz2;
1084	if ( ch1 == ch2
1085	\|\| RT_C_TO_LOWER(ch1) == RT_C_TO_LOWER(ch2))
1086	{
1087	if (ch1)
1088	{
1089	psz1++;
1090	psz2++;
1091	}
1092	else
1093	{
1094	if (ppsz2Next)
1095	*ppsz2Next = psz2;
1096	return true;
1097	}
1098	}
1099	else
1100	{
1101	/* Try skip spaces an punctuation. */
1102	while ( RT_C_IS_SPACE(ch1)
1103	\|\| RT_C_IS_PUNCT(ch1))
1104	ch1 = *++psz1;
1105
1106	if (ch1 == '\0' && ppsz2Next)
1107	{
1108	*ppsz2Next = psz2;
1109	return true;
1110	}
1111
1112	while ( RT_C_IS_SPACE(ch2)
1113	\|\| RT_C_IS_PUNCT(ch2))
1114	ch2 = *++psz2;
1115
1116	if ( ch1 != ch2
1117	&& RT_C_TO_LOWER(ch1) != RT_C_TO_LOWER(ch2))
1118	{
1119	if (ppsz2Next)
1120	*ppsz2Next = psz2;
1121	return false;
1122	}
1123	}
1124	}
1125	}
1126
1127	/**
1128	* Looks for @a pszFragment anywhere in @a pszText, ignoring spaces, punctuation
1129	* and case.
1130	*
1131	* @returns true if found, false if not.
1132	* @param pszText The haystack to search in.
1133	* @param cchText The length @a pszText.
1134	* @param pszFragment The needle to search for.
1135	* @param ppszStart Where to return the address in @a pszText where
1136	* the fragment was found. Optional.
1137	* @param ppszNext Where to return the pointer to the first char in
1138	* @a pszText after the fragment. Optional.
1139	*
1140	* @remarks First character of @a pszFragment must be an 7-bit ASCII character!
1141	* This character must not be space or punctuation.
1142	*/
1143	static bool scmContainsWordByWordIgnoreCase(const char pszText, size_t cchText, const char pszFragment,
1144	const char ppszStart, const char ppszNext)
1145	{
1146	Assert(!((unsigned)*pszFragment & 0x80));
1147	Assert(pszText[cchText] == '\0');
1148	Assert(!RT_C_IS_BLANK(*pszFragment));
1149	Assert(!RT_C_IS_PUNCT(*pszFragment));
1150
1151	char chLower = RT_C_TO_LOWER(*pszFragment);
1152	char chUpper = RT_C_TO_UPPER(*pszFragment);
1153	for (;;)
1154	{
1155	const char pszHit = (const char )memchr(pszText, chLower, cchText);
1156	const char pszHit2 = (const char )memchr(pszText, chUpper, cchText);
1157	if (!pszHit && !pszHit2)
1158	{
1159	if (ppszStart)
1160	*ppszStart = NULL;
1161	if (ppszNext)
1162	*ppszNext = NULL;
1163	return false;
1164	}
1165
1166	if ( pszHit == NULL
1167	\|\| ( pszHit2 != NULL
1168	&& ((uintptr_t)pszHit2 < (uintptr_t)pszHit)) )
1169	pszHit = pszHit2;
1170
1171	const char *pszNext;
1172	if (IsEqualWordByWordIgnoreCase(pszFragment, pszHit, &pszNext))
1173	{
1174	if (ppszStart)
1175	*ppszStart = pszHit;
1176	if (ppszNext)
1177	*ppszNext = pszNext;
1178	return true;
1179	}
1180
1181	cchText -= pszHit - pszText + 1;
1182	pszText = pszHit + 1;
1183	}
1184	}
1185
1186
1187	/**
1188	* Counts the number of lines in the given substring.
1189	*
1190	* @returns The number of lines.
1191	* @param psz The start of the substring.
1192	* @param cch The length of the substring.
1193	*/
1194	static uint32_t CountLinesInSubstring(const char *psz, size_t cch)
1195	{
1196	uint32_t cLines = 0;
1197	for (;;)
1198	{
1199	const char pszEol = (const char )memchr(psz, '\n', cch);
1200	if (pszEol)
1201	cLines++;
1202	else
1203	return cLines + (*psz != '\0');
1204	cch -= pszEol + 1 - psz;
1205	if (!cch)
1206	return cLines;
1207	psz = pszEol + 1;
1208	}
1209	}
1210
1211
1212	/**
1213	* Comment parser callback for locating copyright and license.
1214	*/
1215	static DECLCALLBACK(int)
1216	rewrite_Copyright_CommentCallback(PCSCMCOMMENTINFO pInfo, const char pszBody, size_t cchBody, void pvUser)
1217	{
1218	PSCMCOPYRIGHTINFO pState = (PSCMCOPYRIGHTINFO)pvUser;
1219	Assert(strlen(pszBody) == cchBody);
1220	//RTPrintf("--- comment at %u, type %u ---\n%s\n--- end ---\n", pInfo->iLineStart, pInfo->enmType, pszBody);
1221	ScmVerbose(pState->pState, 5,
1222	"--- comment at %u col %u, %u lines, type %u, %u lines before body, %u lines after body\n",
1223	pInfo->iLineStart, pInfo->offStart, pInfo->iLineEnd - pInfo->iLineStart + 1, pInfo->enmType,
1224	pInfo->cBlankLinesBefore, pInfo->cBlankLinesAfter);
1225
1226	pState->cComments++;
1227
1228	uint32_t iLine = pInfo->iLineStart + pInfo->cBlankLinesBefore;
1229
1230	/*
1231	* Look for a 'contributed by' or 'includes contributions from' line, these
1232	* comes first when present.
1233	*/
1234	const char *pchContributedBy = NULL;
1235	size_t cchContributedBy = 0;
1236	size_t cBlankLinesAfterContributedBy = 0;
1237	if ( pState->pszContributedBy == NULL
1238	&& ( pState->iLineCopyright == UINT32_MAX
1239	\|\| pState->iLineLicense == UINT32_MAX)
1240	&& ( ( cchBody > sizeof("Contributed by")
1241	&& RTStrNICmp(pszBody, RT_STR_TUPLE("contributed by")) == 0)
1242	\|\| ( cchBody > sizeof("Includes contributions from")
1243	&& RTStrNICmp(pszBody, RT_STR_TUPLE("Includes contributions from")) == 0) ) )
1244	{
1245	const char pszNextLine = (const char )memchr(pszBody, '\n', cchBody);
1246	while (pszNextLine && pszNextLine[1] != '\n')
1247	pszNextLine = (const char *)memchr(pszNextLine + 1, '\n', cchBody);
1248	if (pszNextLine)
1249	{
1250	pchContributedBy = pszBody;
1251	cchContributedBy = pszNextLine - pszBody;
1252
1253	/* Skip the copyright line and any blank lines following it. */
1254	cchBody -= cchContributedBy + 1;
1255	pszBody = pszNextLine + 1;
1256	iLine += 1;
1257	while (*pszBody == '\n')
1258	{
1259	pszBody++;
1260	cchBody--;
1261	iLine++;
1262	cBlankLinesAfterContributedBy++;
1263	}
1264	}
1265	}
1266
1267	/*
1268	* Look for the copyright line.
1269	*/
1270	bool fFoundCopyright = false;
1271	uint32_t cBlankLinesAfterCopyright = 0;
1272	if ( pState->iLineCopyright == UINT32_MAX
1273	&& cchBody > sizeof("Copyright") + sizeof(g_szCopyrightHolder)
1274	&& RTStrNICmp(pszBody, RT_STR_TUPLE("copyright")) == 0)
1275	{
1276	const char pszNextLine = (const char )memchr(pszBody, '\n', cchBody);
1277
1278	/* Oracle copyright? */
1279	const char *pszEnd = pszNextLine ? pszNextLine : &pszBody[cchBody];
1280	while (RT_C_IS_SPACE(pszEnd[-1]))
1281	pszEnd--;
1282	if ( (uintptr_t)(pszEnd - pszBody) > sizeof(g_szCopyrightHolder)
1283	&& ((unsigned char )(pszEnd - sizeof(g_szCopyrightHolder) + 1) & 0x80) == 0 /* to avoid annoying assertion */
1284	&& RTStrNICmp(pszEnd - sizeof(g_szCopyrightHolder) + 1, RT_STR_TUPLE(g_szCopyrightHolder)) == 0)
1285	{
1286	/* Parse out the year(s). */
1287	const char *psz = pszBody + sizeof("copyright");
1288	while ((uintptr_t)psz < (uintptr_t)pszEnd && !RT_C_IS_DIGIT(*psz))
1289	psz++;
1290	if (RT_C_IS_DIGIT(*psz))
1291	{
1292	char *pszNext;
1293	int rc = RTStrToUInt32Ex(psz, &pszNext, 10, &pState->uFirstYear);
1294	if ( RT_SUCCESS(rc)
1295	&& rc != VWRN_NUMBER_TOO_BIG
1296	&& rc != VWRN_NEGATIVE_UNSIGNED)
1297	{
1298	if ( pState->uFirstYear < 1975
1299	\|\| pState->uFirstYear > 3000)
1300	{
1301	ScmError(pState->pState, VERR_OUT_OF_RANGE, "Copyright year is out of range: %u ('%.*s')\n",
1302	pState->uFirstYear, pszEnd - pszBody, pszBody);
1303	pState->uFirstYear = UINT32_MAX;
1304	}
1305
1306	while (RT_C_IS_SPACE(*pszNext))
1307	pszNext++;
1308	if (*pszNext == '-')
1309	{
1310	do
1311	pszNext++;
1312	while (RT_C_IS_SPACE(*pszNext));
1313	rc = RTStrToUInt32Ex(pszNext, &pszNext, 10, &pState->uLastYear);
1314	if ( RT_SUCCESS(rc)
1315	&& rc != VWRN_NUMBER_TOO_BIG
1316	&& rc != VWRN_NEGATIVE_UNSIGNED)
1317	{
1318	if ( pState->uLastYear < 1975
1319	\|\| pState->uLastYear > 3000)
1320	{
1321	ScmError(pState->pState, VERR_OUT_OF_RANGE, "Second copyright year is out of range: %u ('%.*s')\n",
1322	pState->uLastYear, pszEnd - pszBody, pszBody);
1323	pState->uLastYear = UINT32_MAX;
1324	}
1325	else if (pState->uFirstYear > pState->uLastYear)
1326	{
1327	RTMsgWarning("Copyright years switched(?): '%.*s'\n", pszEnd - pszBody, pszBody);
1328	uint32_t iTmp = pState->uLastYear;
1329	pState->uLastYear = pState->uFirstYear;
1330	pState->uFirstYear = iTmp;
1331	}
1332	}
1333	else
1334	{
1335	pState->uLastYear = UINT32_MAX;
1336	ScmError(pState->pState, RT_SUCCESS(rc) ? -rc : rc,
1337	"Failed to parse second copyright year: '%.*s'\n", pszEnd - pszBody, pszBody);
1338	}
1339	}
1340	else if (*pszNext != g_szCopyrightHolder[0])
1341	ScmError(pState->pState, VERR_PARSE_ERROR,
1342	"Failed to parse copyright: '%.*s'\n", pszEnd - pszBody, pszBody);
1343	else
1344	pState->uLastYear = pState->uFirstYear;
1345	}
1346	else
1347	{
1348	pState->uFirstYear = UINT32_MAX;
1349	ScmError(pState->pState, RT_SUCCESS(rc) ? -rc : rc,
1350	"Failed to parse copyright year: '%.*s'\n", pszEnd - pszBody, pszBody);
1351	}
1352	}
1353
1354	/* The copyright comment must come before the license. */
1355	if (pState->iLineLicense != UINT32_MAX)
1356	ScmError(pState->pState, VERR_WRONG_ORDER, "Copyright (line %u) must come before the license (line %u)!\n",
1357	iLine, pState->iLineLicense);
1358
1359	/* In C/C++ code, this must be a multiline comment. While in python it
1360	must be a */
1361	if (pState->enmCommentStyle == kScmCommentStyle_C && pInfo->enmType != kScmCommentType_MultiLine)
1362	ScmError(pState->pState, VERR_WRONG_ORDER, "Copyright must appear in a multiline comment (no doxygen stuff)\n");
1363	else if (pState->enmCommentStyle == kScmCommentStyle_Python && pInfo->enmType != kScmCommentType_DocString)
1364	ScmError(pState->pState, VERR_WRONG_ORDER, "Copyright must appear in a doc-string\n");
1365
1366	/* The copyright must be followed by the license. */
1367	if (!pszNextLine)
1368	ScmError(pState->pState, VERR_WRONG_ORDER, "Copyright should be followed by the license text!\n");
1369
1370	/* Quit if we've flagged a failure. */
1371	if (RT_FAILURE(pState->pState->rc))
1372	return VERR_CALLBACK_RETURN;
1373
1374	/* Check if it's well formed and up to date. */
1375	char szWellFormed[256];
1376	size_t cchWellFormed;
1377	if (pState->uFirstYear == pState->uLastYear)
1378	cchWellFormed = RTStrPrintf(szWellFormed, sizeof(szWellFormed), "Copyright (C) %u %s",
1379	pState->uFirstYear, g_szCopyrightHolder);
1380	else
1381	cchWellFormed = RTStrPrintf(szWellFormed, sizeof(szWellFormed), "Copyright (C) %u-%u %s",
1382	pState->uFirstYear, pState->uLastYear, g_szCopyrightHolder);
1383	pState->fUpToDateCopyright = pState->uLastYear == g_uYear;
1384	pState->iLineCopyright = iLine;
1385	pState->fWellFormedCopyright = cchWellFormed == (uintptr_t)(pszEnd - pszBody)
1386	&& memcmp(pszBody, szWellFormed, cchWellFormed) == 0;
1387	if (!pState->fWellFormedCopyright)
1388	ScmVerbose(pState->pState, 1, "* copyright isn't well formed\n");
1389
1390	/* If there wasn't exactly one blank line before the comment, trigger a rewrite. */
1391	if (pInfo->cBlankLinesBefore != 1)
1392	{
1393	ScmVerbose(pState->pState, 1, "* copyright comment is preceeded by %u blank lines instead of 1\n",
1394	pInfo->cBlankLinesBefore);
1395	pState->fWellFormedCopyright = false;
1396	}
1397
1398	/* If the comment doesn't start in column 1, trigger rewrite. */
1399	if (pInfo->offStart != 0)
1400	{
1401	ScmVerbose(pState->pState, 1, "* copyright comment starts in column %u instead of 1\n", pInfo->offStart + 1);
1402	pState->fWellFormedCopyright = false;
1403	/** @todo check that there isn't any code preceeding the comment. */
1404	}
1405
1406	if (pchContributedBy)
1407	{
1408	pState->pszContributedBy = RTStrDupN(pchContributedBy, cchContributedBy);
1409	if (cBlankLinesAfterContributedBy != 1)
1410	{
1411	ScmVerbose(pState->pState, 1, "* %u blank lines between contributed by and copyright, should be 1\n",
1412	cBlankLinesAfterContributedBy);
1413	pState->fWellFormedCopyright = false;
1414	}
1415	}
1416
1417	fFoundCopyright = true;
1418	ScmVerbose(pState->pState, 3, "oracle copyright %u-%u: up-to-date=%RTbool well-formed=%RTbool\n",
1419	pState->uFirstYear, pState->uLastYear, pState->fUpToDateCopyright, pState->fWellFormedCopyright);
1420	}
1421	else
1422	ScmVerbose(pState->pState, 3, "not oracle copyright: '%.*s'\n", pszEnd - pszBody, pszBody);
1423
1424	if (!pszNextLine)
1425	return VINF_SUCCESS;
1426
1427	/* Skip the copyright line and any blank lines following it. */
1428	cchBody -= pszNextLine - pszBody + 1;
1429	pszBody = pszNextLine + 1;
1430	iLine += 1;
1431	while (*pszBody == '\n')
1432	{
1433	pszBody++;
1434	cchBody--;
1435	iLine++;
1436	cBlankLinesAfterCopyright++;
1437	}
1438
1439	/*
1440	* If we have a based-on-mit scenario, check for the lead in now and
1441	* complain if not found.
1442	*/
1443	if ( fFoundCopyright
1444	&& pState->enmLicenceOpt == kScmLicense_BasedOnMit
1445	&& pState->iLineLicense == UINT32_MAX)
1446	{
1447	if (RTStrNICmp(pszBody, RT_STR_TUPLE("This file is based on ")) == 0)
1448	{
1449	/* Take down a comment area which goes up to 'this file is based on'.
1450	The license line and length isn't used but gets set to cover the current line. */
1451	pState->iLineComment = pInfo->iLineStart;
1452	pState->cLinesComment = iLine - pInfo->iLineStart;
1453	pState->iLineLicense = iLine;
1454	pState->cLinesLicense = 1;
1455	pState->fExternalLicense = true;
1456	pState->fIsCorrectLicense = true;
1457	pState->fWellFormedLicense = true;
1458
1459	/* Check if we've got a MIT a license here or not. */
1460	pState->pCurrentLicense = NULL;
1461	do
1462	{
1463	const char pszEol = (const char )memchr(pszBody, '\n', cchBody);
1464	if (!pszEol \|\| pszEol[1] == '\0')
1465	{
1466	pszBody += cchBody;
1467	cchBody = 0;
1468	break;
1469	}
1470	cchBody -= pszEol - pszBody + 1;
1471	pszBody = pszEol + 1;
1472	iLine++;
1473
1474	for (PCSCMLICENSETEXT pCur = pState->paLicenses; pCur->cch > 0; pCur++)
1475	{
1476	const char *pszNext;
1477	if ( pCur->cch <= cchBody + 32 /* (+ 32 since we don't compare spaces and punctuation) */
1478	&& IsEqualWordByWordIgnoreCase(pCur->psz, pszBody, &pszNext))
1479	{
1480	pState->pCurrentLicense = pCur;
1481	break;
1482	}
1483	}
1484	} while (!pState->pCurrentLicense);
1485	if (!pState->pCurrentLicense)
1486	ScmError(pState->pState, VERR_NOT_FOUND, "Could not find the based-on license!\n");
1487	else if (pState->pCurrentLicense->enmType != kScmLicenseType_Mit)
1488	ScmError(pState->pState, VERR_NOT_FOUND, "The based-on license is not MIT (%.32s...)\n",
1489	pState->pCurrentLicense->psz);
1490	}
1491	else
1492	ScmError(pState->pState, VERR_WRONG_ORDER, "Expected 'This file is based on ...' after our copyright!\n");
1493	return VINF_SUCCESS;
1494	}
1495	}
1496
1497	/*
1498	* Look for LGPL like text in the comment.
1499	*/
1500	if (pState->fCheckforLgpl && cchBody > 128)
1501	{
1502	/* We look for typical LGPL notices. */
1503	if (pState->iLineLgplNotice == UINT32_MAX)
1504	{
1505	static const char * const s_apszFragments[] =
1506	{
1507	"under the terms of the GNU Lesser General Public License",
1508	};
1509	for (unsigned i = 0; i < RT_ELEMENTS(s_apszFragments); i++)
1510	if (scmContainsWordByWordIgnoreCase(pszBody, cchBody, s_apszFragments[i], NULL, NULL))
1511	{
1512	pState->iLineLgplNotice = iLine;
1513	pState->iLineAfterLgplComment = pInfo->iLineEnd + 1;
1514	ScmVerbose(pState->pState, 3, "Found LGPL notice at %u\n", iLine);
1515	break;
1516	}
1517	}
1518
1519	if ( pState->iLineLgplDisclaimer == UINT32_MAX
1520	&& scmContainsWordByWordIgnoreCase(pszBody, cchBody, g_szLgplDisclaimer, NULL, NULL))
1521	{
1522	pState->iLineLgplDisclaimer = iLine;
1523	ScmVerbose(pState->pState, 3, "Found LGPL disclaimer at %u\n", iLine);
1524	}
1525	}
1526
1527	/*
1528	* Look for the license text.
1529	*/
1530	if (pState->iLineLicense == UINT32_MAX)
1531	{
1532	for (PCSCMLICENSETEXT pCur = pState->paLicenses; pCur->cch > 0; pCur++)
1533	{
1534	const char *pszNext;
1535	if ( pCur->cch <= cchBody + 32 /* (+ 32 since we don't compare spaces and punctuation) */
1536	&& IsEqualWordByWordIgnoreCase(pCur->psz, pszBody, &pszNext))
1537	{
1538	while ( RT_C_IS_SPACE(*pszNext)
1539	\|\| (RT_C_IS_PUNCT(pszNext) && pszNext != '-'))
1540	pszNext++;
1541
1542	uint32_t cDashes = 0;
1543	while (*pszNext == '-')
1544	cDashes++, pszNext++;
1545	bool fExternal = cDashes > 10;
1546
1547	if ( *pszNext == '\0'
1548	\|\| fExternal)
1549	{
1550	/* In C/C++ code, this must be a multiline comment. While in python it
1551	must be a */
1552	if (pState->enmCommentStyle == kScmCommentStyle_C && pInfo->enmType != kScmCommentType_MultiLine)
1553	ScmError(pState->pState, VERR_WRONG_ORDER, "License must appear in a multiline comment (no doxygen stuff)\n");
1554	else if (pState->enmCommentStyle == kScmCommentStyle_Python && pInfo->enmType != kScmCommentType_DocString)
1555	ScmError(pState->pState, VERR_WRONG_ORDER, "License must appear in a doc-string\n");
1556
1557	/* Quit if we've flagged a failure. */
1558	if (RT_FAILURE(pState->pState->rc))
1559	return VERR_CALLBACK_RETURN;
1560
1561	/* Record it. */
1562	pState->iLineLicense = iLine;
1563	pState->cLinesLicense = CountLinesInSubstring(pszBody, pszNext - pszBody) - fExternal;
1564	pState->pCurrentLicense = pCur;
1565	pState->fExternalLicense = fExternal;
1566	pState->fIsCorrectLicense = pState->fOpenSource
1567	? pCur == pState->pExpectedLicense
1568	: pCur->enmType == kScmLicenseType_Confidential;
1569	pState->fWellFormedLicense = memcmp(pszBody, pCur->psz, pCur->cch - 1) == 0;
1570	if (!pState->fWellFormedLicense)
1571	ScmVerbose(pState->pState, 1, "* license text isn't well-formed\n");
1572
1573	/* If there was more than one blank line between the copyright and the
1574	license text, extend the license text area and force a rewrite of it. */
1575	if (cBlankLinesAfterCopyright > 1)
1576	{
1577	ScmVerbose(pState->pState, 1, "* %u blank lines between copyright and license text, instead of 1\n",
1578	cBlankLinesAfterCopyright);
1579	pState->iLineLicense -= cBlankLinesAfterCopyright - 1;
1580	pState->cLinesLicense += cBlankLinesAfterCopyright - 1;
1581	pState->fWellFormedLicense = false;
1582	}
1583
1584	/* If there was more than one blank line after the license, trigger a rewrite. */
1585	if (!fExternal && pInfo->cBlankLinesAfter != 1)
1586	{
1587	ScmVerbose(pState->pState, 1, "* copyright comment is followed by %u blank lines instead of 1\n",
1588	pInfo->cBlankLinesAfter);
1589	pState->fWellFormedLicense = false;
1590	}
1591
1592	/** @todo Check that the last comment line doesn't have any code on it. */
1593	/** @todo Check that column 2 contains '' for C/C++ files. /
1594
1595	ScmVerbose(pState->pState, 3,
1596	"Found license %d/%d at %u..%u: is-correct=%RTbool well-formed=%RTbool external-part=%RTbool open-source=%RTbool\n",
1597	pCur->enmType, pCur->enmOpt, pState->iLineLicense, pState->iLineLicense + pState->cLinesLicense,
1598	pState->fIsCorrectLicense, pState->fWellFormedLicense,
1599	pState->fExternalLicense, pState->fOpenSource);
1600
1601	if (fFoundCopyright)
1602	{
1603	pState->iLineComment = pInfo->iLineStart;
1604	pState->cLinesComment = (fExternal ? pState->iLineLicense + pState->cLinesLicense : pInfo->iLineEnd + 1)
1605	- pInfo->iLineStart;
1606	}
1607	else
1608	ScmError(pState->pState, VERR_WRONG_ORDER, "License should be preceeded by the copyright!\n");
1609	break;
1610	}
1611	}
1612	}
1613	}
1614
1615	if (fFoundCopyright && pState->iLineLicense == UINT32_MAX)
1616	ScmError(pState->pState, VERR_WRONG_ORDER, "Copyright should be followed by the license text!\n");
1617
1618	/*
1619	* Stop looking for stuff after 100 comments.
1620	*/
1621	if (pState->cComments > 100)
1622	return VERR_CALLBACK_RETURN;
1623	return VINF_SUCCESS;
1624	}
1625
1626	/**
1627	* Writes comment body text.
1628	*
1629	* @returns Stream status.
1630	* @param pOut The output stream.
1631	* @param pszText The text to write.
1632	* @param cchText The length of the text.
1633	* @param enmCommentStyle The comment style.
1634	* @param enmEol The EOL style.
1635	*/
1636	static int scmWriteCommentBody(PSCMSTREAM pOut, const char *pszText, size_t cchText,
1637	SCMCOMMENTSTYLE enmCommentStyle, SCMEOL enmEol)
1638	{
1639	Assert(pszText[cchText - 1] == '\n');
1640	Assert(pszText[cchText - 2] != '\n');
1641	NOREF(cchText);
1642	do
1643	{
1644	const char *pszEol = strchr(pszText, '\n');
1645	if (pszEol != pszText)
1646	{
1647	ScmStreamWrite(pOut, g_aCopyrightCommentPrefix[enmCommentStyle].psz,
1648	g_aCopyrightCommentPrefix[enmCommentStyle].cch);
1649	ScmStreamWrite(pOut, pszText, pszEol - pszText);
1650	ScmStreamPutEol(pOut, enmEol);
1651	}
1652	else
1653	ScmStreamPutLine(pOut, g_aCopyrightCommentEmpty[enmCommentStyle].psz,
1654	g_aCopyrightCommentEmpty[enmCommentStyle].cch, enmEol);
1655	pszText = pszEol + 1;
1656	} while (*pszText != '\0');
1657	return ScmStreamGetStatus(pOut);
1658	}
1659
1660
1661	/**
1662	* Updates the copyright year and/or license text.
1663	*
1664	* @returns true if modifications were made, false if not.
1665	* @param pState The rewriter state.
1666	* @param pIn The input stream.
1667	* @param pOut The output stream.
1668	* @param pSettings The settings.
1669	* @param enmCommentStyle The comment style used by the file.
1670	*/
1671	static bool rewrite_Copyright_Common(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings,
1672	SCMCOMMENTSTYLE enmCommentStyle)
1673	{
1674	if ( !pSettings->fUpdateCopyrightYear
1675	&& pSettings->enmUpdateLicense == kScmLicense_LeaveAlone)
1676	return false;
1677
1678	/*
1679	* Try locate the relevant comments.
1680	*/
1681	SCMCOPYRIGHTINFO Info =
1682	{
1683	/.pState = / pState,
1684	/.enmCommentStyle = / enmCommentStyle,
1685
1686	/.cComments = / 0,
1687
1688	/.pszContributedBy = / NULL,
1689
1690	/.iLineComment = / UINT32_MAX,
1691	/.cLinesComment = / 0,
1692
1693	/.iLineCopyright = / UINT32_MAX,
1694	/.uFirstYear = / UINT32_MAX,
1695	/.uLastYear = / UINT32_MAX,
1696	/.fWellFormedCopyright = / false,
1697	/.fUpToDateCopyright = / false,
1698
1699	/.fOpenSource = / true,
1700	/.pExpectedLicense = / NULL,
1701	/.paLicenses = / pSettings->enmUpdateLicense != kScmLicense_Mit
1702	&& pSettings->enmUpdateLicense != kScmLicense_BasedOnMit
1703	? &g_aLicenses[0] : &g_aLicensesWithMit[0],
1704	/.enmLicenceOpt = / pSettings->enmUpdateLicense,
1705	/.iLineLicense = / UINT32_MAX,
1706	/.cLinesLicense = / 0,
1707	/.pCurrentLicense = / NULL,
1708	/.fIsCorrectLicense = / false,
1709	/.fWellFormedLicense = / false,
1710	/.fExternalLicense = / false,
1711
1712	/.fCheckForLgpl = / true,
1713	/.iLineLgplNotice = / UINT32_MAX,
1714	/.iLineAfterLgplComment = / UINT32_MAX,
1715	/.iLineLgplDisclaimer = / UINT32_MAX,
1716	};
1717
1718	/* Figure Info.fOpenSource and the desired license: */
1719	char *pszSyncProcess;
1720	int rc = ScmSvnQueryProperty(pState, "svn:sync-process", &pszSyncProcess);
1721	if (RT_SUCCESS(rc))
1722	{
1723	Info.fOpenSource = strcmp(RTStrStrip(pszSyncProcess), "export") == 0;
1724	RTStrFree(pszSyncProcess);
1725	}
1726	else if (rc == VERR_NOT_FOUND)
1727	Info.fOpenSource = false;
1728	else
1729	return ScmError(pState, rc, "ScmSvnQueryProperty(svn:sync-process): %Rrc\n", rc);
1730
1731	Info.pExpectedLicense = Info.paLicenses;
1732	if (Info.fOpenSource)
1733	{
1734	if ( pSettings->enmUpdateLicense != kScmLicense_Mit
1735	&& pSettings->enmUpdateLicense != kScmLicense_BasedOnMit)
1736	while (Info.pExpectedLicense->enmOpt != pSettings->enmUpdateLicense)
1737	Info.pExpectedLicense++;
1738	else
1739	Assert(Info.pExpectedLicense->enmOpt == kScmLicense_Mit);
1740	}
1741	else
1742	while (Info.pExpectedLicense->enmType != kScmLicenseType_Confidential)
1743	Info.pExpectedLicense++;
1744
1745	/* Scan the comments. */
1746	rc = ScmEnumerateComments(pIn, enmCommentStyle, rewrite_Copyright_CommentCallback, &Info);
1747	if ( (rc == VERR_CALLBACK_RETURN \|\| RT_SUCCESS(rc))
1748	&& RT_SUCCESS(pState->rc))
1749	{
1750	/*
1751	* Do conformity checks.
1752	*/
1753	bool fAddLgplDisclaimer = false;
1754	if (Info.fCheckforLgpl)
1755	{
1756	if ( Info.iLineLgplNotice != UINT32_MAX
1757	&& Info.iLineLgplDisclaimer == UINT32_MAX)
1758	{
1759	if (!pSettings->fLgplDisclaimer) /** @todo reconcile options with common sense. */
1760	ScmError(pState, VERR_NOT_FOUND, "LGPL licence notice on line %u, but no LGPL disclaimer was found!\n",
1761	Info.iLineLgplNotice + 1);
1762	else
1763	{
1764	ScmVerbose(pState, 1, "* Need to add LGPL disclaimer\n");
1765	fAddLgplDisclaimer = true;
1766	}
1767	}
1768	else if ( Info.iLineLgplNotice == UINT32_MAX
1769	&& Info.iLineLgplDisclaimer != UINT32_MAX)
1770	ScmError(pState, VERR_NOT_FOUND, "LGPL disclaimer on line %u, but no LGPL copyright notice!\n",
1771	Info.iLineLgplDisclaimer + 1);
1772	}
1773
1774	if (!pSettings->fExternalCopyright)
1775	{
1776	if (Info.iLineCopyright == UINT32_MAX)
1777	ScmError(pState, VERR_NOT_FOUND, "Missing copyright!\n");
1778	if (Info.iLineLicense == UINT32_MAX)
1779	ScmError(pState, VERR_NOT_FOUND, "Missing license!\n");
1780	}
1781	else if (Info.iLineCopyright != UINT32_MAX)
1782	ScmError(pState, VERR_NOT_FOUND,
1783	"Marked as external copyright only, but found non-external copyright statement at line %u!\n",
1784	Info.iLineCopyright + 1);
1785
1786
1787	if (RT_SUCCESS(pState->rc))
1788	{
1789	/*
1790	* Do we need to make any changes?
1791	*/
1792	bool fUpdateCopyright = !pSettings->fExternalCopyright
1793	&& ( !Info.fWellFormedCopyright
1794	\|\| (!Info.fUpToDateCopyright && pSettings->fUpdateCopyrightYear));
1795	bool fUpdateLicense = !pSettings->fExternalCopyright
1796	&& Info.enmLicenceOpt != kScmLicense_LeaveAlone
1797	&& ( !Info.fWellFormedLicense
1798	\|\| !Info.fIsCorrectLicense);
1799	if ( fUpdateCopyright
1800	\|\| fUpdateLicense
1801	\|\| fAddLgplDisclaimer)
1802	{
1803	Assert(Info.iLineComment != UINT32_MAX);
1804	Assert(Info.cLinesComment > 0);
1805
1806	/*
1807	* Okay, do the work.
1808	*/
1809	ScmStreamRewindForReading(pIn);
1810
1811	if (pSettings->fUpdateCopyrightYear)
1812	Info.uLastYear = g_uYear;
1813
1814	uint32_t iLine = 0;
1815	SCMEOL enmEol;
1816	size_t cchLine;
1817	const char *pchLine;
1818	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
1819	{
1820	if ( iLine == Info.iLineComment
1821	&& (fUpdateCopyright \|\| fUpdateLicense) )
1822	{
1823	/* Leading blank line. */
1824	ScmStreamPutLine(pOut, g_aCopyrightCommentStart[enmCommentStyle].psz,
1825	g_aCopyrightCommentStart[enmCommentStyle].cch, enmEol);
1826
1827	/* Contributed by someone? */
1828	if (Info.pszContributedBy)
1829	{
1830	const char *psz = Info.pszContributedBy;
1831	for (;;)
1832	{
1833	const char *pszEol = strchr(psz, '\n');
1834	size_t cchContribLine = pszEol ? pszEol - psz : strlen(psz);
1835	ScmStreamWrite(pOut, g_aCopyrightCommentPrefix[enmCommentStyle].psz,
1836	g_aCopyrightCommentPrefix[enmCommentStyle].cch);
1837	ScmStreamWrite(pOut, psz, cchContribLine);
1838	ScmStreamPutEol(pOut, enmEol);
1839	if (!pszEol)
1840	break;
1841	psz = pszEol + 1;
1842	}
1843
1844	ScmStreamPutLine(pOut, g_aCopyrightCommentEmpty[enmCommentStyle].psz,
1845	g_aCopyrightCommentEmpty[enmCommentStyle].cch, enmEol);
1846	}
1847
1848	/* Write the copyright comment line. */
1849	ScmStreamWrite(pOut, g_aCopyrightCommentPrefix[enmCommentStyle].psz,
1850	g_aCopyrightCommentPrefix[enmCommentStyle].cch);
1851
1852	char szCopyright[256];
1853	size_t cchCopyright;
1854	if (Info.uFirstYear == Info.uLastYear)
1855	cchCopyright = RTStrPrintf(szCopyright, sizeof(szCopyright), "Copyright (C) %u %s",
1856	Info.uFirstYear, g_szCopyrightHolder);
1857	else
1858	cchCopyright = RTStrPrintf(szCopyright, sizeof(szCopyright), "Copyright (C) %u-%u %s",
1859	Info.uFirstYear, Info.uLastYear, g_szCopyrightHolder);
1860
1861	ScmStreamWrite(pOut, szCopyright, cchCopyright);
1862	ScmStreamPutEol(pOut, enmEol);
1863
1864	if (pSettings->enmUpdateLicense != kScmLicense_BasedOnMit)
1865	{
1866	/* Blank line separating the two. */
1867	ScmStreamPutLine(pOut, g_aCopyrightCommentEmpty[enmCommentStyle].psz,
1868	g_aCopyrightCommentEmpty[enmCommentStyle].cch, enmEol);
1869
1870	/* Write the license text. */
1871	scmWriteCommentBody(pOut, Info.pExpectedLicense->psz, Info.pExpectedLicense->cch,
1872	enmCommentStyle, enmEol);
1873
1874	/* Final comment line. */
1875	if (!Info.fExternalLicense)
1876	ScmStreamPutLine(pOut, g_aCopyrightCommentEnd[enmCommentStyle].psz,
1877	g_aCopyrightCommentEnd[enmCommentStyle].cch, enmEol);
1878	}
1879	else
1880	Assert(Info.fExternalLicense);
1881
1882	/* Skip the copyright and license text in the input file. */
1883	rc = ScmStreamGetStatus(pOut);
1884	if (RT_SUCCESS(rc))
1885	{
1886	iLine = Info.iLineComment + Info.cLinesComment;
1887	rc = ScmStreamSeekByLine(pIn, iLine);
1888	}
1889	}
1890	/*
1891	* Add LGPL disclaimer?
1892	*/
1893	else if ( iLine == Info.iLineAfterLgplComment
1894	&& fAddLgplDisclaimer)
1895	{
1896	ScmStreamPutEol(pOut, enmEol);
1897	ScmStreamPutLine(pOut, g_aCopyrightCommentStart[enmCommentStyle].psz,
1898	g_aCopyrightCommentStart[enmCommentStyle].cch, enmEol);
1899	scmWriteCommentBody(pOut, g_szLgplDisclaimer, sizeof(g_szLgplDisclaimer) - 1,
1900	enmCommentStyle, enmEol);
1901	ScmStreamPutLine(pOut, g_aCopyrightCommentEnd[enmCommentStyle].psz,
1902	g_aCopyrightCommentEnd[enmCommentStyle].cch, enmEol);
1903
1904	/* put the actual line */
1905	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
1906	iLine++;
1907	}
1908	else
1909	{
1910	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
1911	iLine++;
1912	}
1913	if (RT_FAILURE(rc))
1914	{
1915	RTStrFree(Info.pszContributedBy);
1916	return false;
1917	}
1918	} /* for each source line */
1919
1920	RTStrFree(Info.pszContributedBy);
1921	return true;
1922	}
1923	}
1924	}
1925	else
1926	ScmError(pState, rc, "ScmEnumerateComments: %Rrc\n", rc);
1927	NOREF(pState); NOREF(pOut);
1928	RTStrFree(Info.pszContributedBy);
1929	return false;
1930	}
1931
1932
1933	/** Copyright updater for C-style comments. */
1934	bool rewrite_Copyright_CstyleComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1935	{
1936	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, kScmCommentStyle_C);
1937	}
1938
1939	/** Copyright updater for hash-prefixed comments. */
1940	bool rewrite_Copyright_HashComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1941	{
1942	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, kScmCommentStyle_Hash);
1943	}
1944
1945	/** Copyright updater for REM-prefixed comments. */
1946	bool rewrite_Copyright_RemComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1947	{
1948	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, determinBatchFileCommentStyle(pIn));
1949	}
1950
1951	/** Copyright updater for python comments. */
1952	bool rewrite_Copyright_PythonComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1953	{
1954	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, kScmCommentStyle_Python);
1955	}
1956
1957	/** Copyright updater for semicolon-prefixed comments. */
1958	bool rewrite_Copyright_SemicolonComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1959	{
1960	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, kScmCommentStyle_Semicolon);
1961	}
1962
1963	/** Copyright updater for sql comments. */
1964	bool rewrite_Copyright_SqlComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1965	{
1966	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, kScmCommentStyle_Sql);
1967	}
1968
1969	/** Copyright updater for tick-prefixed comments. */
1970	bool rewrite_Copyright_TickComment(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1971	{
1972	return rewrite_Copyright_Common(pState, pIn, pOut, pSettings, kScmCommentStyle_Tick);
1973	}
1974
1975
1976	/**
1977	* Makefile.kup are empty files, enforce this.
1978	*
1979	* @returns true if modifications were made, false if not.
1980	* @param pIn The input stream.
1981	* @param pOut The output stream.
1982	* @param pSettings The settings.
1983	*/
1984	bool rewrite_Makefile_kup(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
1985	{
1986	RT_NOREF2(pOut, pSettings);
1987
1988	/* These files should be zero bytes. */
1989	if (pIn->cb == 0)
1990	return false;
1991	ScmVerbose(pState, 2, " * Truncated file to zero bytes\n");
1992	return true;
1993	}
1994
1995	/**
1996	* Rewrite a kBuild makefile.
1997	*
1998	* @returns true if modifications were made, false if not.
1999	* @param pIn The input stream.
2000	* @param pOut The output stream.
2001	* @param pSettings The settings.
2002	*
2003	* @todo
2004	*
2005	* Ideas for Makefile.kmk and Config.kmk:
2006	* - sort if1of/ifn1of sets.
2007	* - line continuation slashes should only be preceded by one space.
2008	*/
2009	bool rewrite_Makefile_kmk(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
2010	{
2011	RT_NOREF4(pState, pIn, pOut, pSettings);
2012	return false;
2013	}
2014
2015
2016	static bool isFlowerBoxSectionMarker(PSCMSTREAM pIn, const char *pchLine, size_t cchLine, uint32_t cchWidth,
2017	const char *ppchText, size_t pcchText, bool *pfNeedFixing)
2018	{
2019	*ppchText = NULL;
2020	*pcchText = 0;
2021	*pfNeedFixing = false;
2022
2023	/*
2024	* The first line.
2025	*/
2026	if (pchLine[0] != '/')
2027	return false;
2028	size_t offLine = 1;
2029	while (offLine < cchLine && pchLine[offLine] == '*')
2030	offLine++;
2031	if (offLine < 20) /* (Code below depend on a reasonable minimum here.) */
2032	return false;
2033	while (offLine < cchLine && RT_C_IS_BLANK(pchLine[offLine]))
2034	offLine++;
2035	if (offLine != cchLine)
2036	return false;
2037
2038	size_t const cchBox = cchLine;
2039	*pfNeedFixing = cchBox != cchWidth;
2040
2041	/*
2042	* The next line, extracting the text.
2043	*/
2044	SCMEOL enmEol;
2045	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
2046	if (cchLine < cchBox - 3)
2047	return false;
2048
2049	offLine = 0;
2050	if (RT_C_IS_BLANK(pchLine[0]))
2051	{
2052	*pfNeedFixing = true;
2053	offLine = RT_C_IS_BLANK(pchLine[1]) ? 2 : 1;
2054	}
2055
2056	if (pchLine[offLine] != '*')
2057	return false;
2058	offLine++;
2059
2060	if (!RT_C_IS_BLANK(pchLine[offLine + 1]))
2061	return false;
2062	offLine++;
2063
2064	while (offLine < cchLine && RT_C_IS_BLANK(pchLine[offLine]))
2065	offLine++;
2066	if (offLine >= cchLine)
2067	return false;
2068	if (!RT_C_IS_UPPER(pchLine[offLine]))
2069	return false;
2070
2071	if (offLine != 4 \|\| cchLine != cchBox)
2072	*pfNeedFixing = true;
2073
2074	*ppchText = &pchLine[offLine];
2075	size_t const offText = offLine;
2076
2077	/* From the end now. */
2078	offLine = cchLine - 1;
2079	while (RT_C_IS_BLANK(pchLine[offLine]))
2080	offLine--;
2081
2082	if (pchLine[offLine] != '*')
2083	return false;
2084	offLine--;
2085	if (!RT_C_IS_BLANK(pchLine[offLine]))
2086	return false;
2087	offLine--;
2088	while (RT_C_IS_BLANK(pchLine[offLine]))
2089	offLine--;
2090	*pcchText = offLine - offText + 1;
2091
2092	/*
2093	* Third line closes the box.
2094	*/
2095	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
2096	if (cchLine < cchBox - 3)
2097	return false;
2098
2099	offLine = 0;
2100	if (RT_C_IS_BLANK(pchLine[0]))
2101	{
2102	*pfNeedFixing = true;
2103	offLine = RT_C_IS_BLANK(pchLine[1]) ? 2 : 1;
2104	}
2105	while (offLine < cchLine && pchLine[offLine] == '*')
2106	offLine++;
2107	if (offLine < cchBox - 4)
2108	return false;
2109
2110	if (pchLine[offLine] != '/')
2111	return false;
2112	offLine++;
2113
2114	if (offLine != cchBox)
2115	*pfNeedFixing = true;
2116
2117	while (offLine < cchLine && RT_C_IS_BLANK(pchLine[offLine]))
2118	offLine++;
2119	if (offLine != cchLine)
2120	return false;
2121
2122	return true;
2123	}
2124
2125
2126	/**
2127	* Flower box marker comments in C and C++ code.
2128	*
2129	* @returns true if modifications were made, false if not.
2130	* @param pIn The input stream.
2131	* @param pOut The output stream.
2132	* @param pSettings The settings.
2133	*/
2134	bool rewrite_FixFlowerBoxMarkers(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
2135	{
2136	if (!pSettings->fFixFlowerBoxMarkers)
2137	return false;
2138
2139	/*
2140	* Work thru the file line by line looking for flower box markers.
2141	*/
2142	size_t cChanges = 0;
2143	size_t cBlankLines = 0;
2144	SCMEOL enmEol;
2145	size_t cchLine;
2146	const char *pchLine;
2147	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
2148	{
2149	/*
2150	* Get a likely match for a first line.
2151	*/
2152	if ( pchLine[0] == '/'
2153	&& cchLine > 20
2154	&& pchLine[1] == '*'
2155	&& pchLine[2] == '*'
2156	&& pchLine[3] == '*')
2157	{
2158	size_t const offSaved = ScmStreamTell(pIn);
2159	char const *pchText;
2160	size_t cchText;
2161	bool fNeedFixing;
2162	bool fIsFlowerBoxSection = isFlowerBoxSectionMarker(pIn, pchLine, cchLine, pSettings->cchWidth,
2163	&pchText, &cchText, &fNeedFixing);
2164	if ( fIsFlowerBoxSection
2165	&& ( fNeedFixing
2166	\|\| cBlankLines < pSettings->cMinBlankLinesBeforeFlowerBoxMakers) )
2167	{
2168	while (cBlankLines < pSettings->cMinBlankLinesBeforeFlowerBoxMakers)
2169	{
2170	ScmStreamPutEol(pOut, enmEol);
2171	cBlankLines++;
2172	}
2173
2174	ScmStreamPutCh(pOut, '/');
2175	ScmStreamWrite(pOut, g_szAsterisks, pSettings->cchWidth - 1);
2176	ScmStreamPutEol(pOut, enmEol);
2177
2178	static const char s_szLead[] = "* ";
2179	ScmStreamWrite(pOut, s_szLead, sizeof(s_szLead) - 1);
2180	ScmStreamWrite(pOut, pchText, cchText);
2181	size_t offCurPlus1 = sizeof(s_szLead) - 1 + cchText + 1;
2182	ScmStreamWrite(pOut, g_szSpaces, offCurPlus1 < pSettings->cchWidth ? pSettings->cchWidth - offCurPlus1 : 1);
2183	ScmStreamPutCh(pOut, '*');
2184	ScmStreamPutEol(pOut, enmEol);
2185
2186	ScmStreamWrite(pOut, g_szAsterisks, pSettings->cchWidth - 1);
2187	ScmStreamPutCh(pOut, '/');
2188	ScmStreamPutEol(pOut, enmEol);
2189
2190	cChanges++;
2191	cBlankLines = 0;
2192	continue;
2193	}
2194
2195	int rc = ScmStreamSeekAbsolute(pIn, offSaved);
2196	if (RT_FAILURE(rc))
2197	return false;
2198	}
2199
2200	int rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
2201	if (RT_FAILURE(rc))
2202	return false;
2203
2204	/* Do blank line accounting so we can ensure at least two blank lines
2205	before each section marker. */
2206	if (!isBlankLine(pchLine, cchLine))
2207	cBlankLines = 0;
2208	else
2209	cBlankLines++;
2210	}
2211	if (cChanges > 0)
2212	ScmVerbose(pState, 2, " * Converted %zu flower boxer markers\n", cChanges);
2213	return cChanges != 0;
2214	}
2215
2216
2217	/**
2218	* Looks for the start of a todo comment.
2219	*
2220	* @returns Offset into the line of the comment start sequence.
2221	* @param pchLine The line to search.
2222	* @param cchLineBeforeTodo The length of the line before the todo.
2223	* @param pfSameLine Indicates whether it's refering to a statemtn on
2224	* the same line comment (true), or the next
2225	* statement (false).
2226	*/
2227	static size_t findTodoCommentStart(char const pchLine, size_t cchLineBeforeTodo, bool pfSameLine)
2228	{
2229	*pfSameLine = false;
2230
2231	/* Skip one '@' or '\\'. */
2232	char ch;
2233	if ( cchLineBeforeTodo > 2
2234	&& ( ((ch = pchLine[cchLineBeforeTodo - 1]) == '@')
2235	\|\| ch == '\\' ) )
2236	cchLineBeforeTodo--;
2237
2238	/* Skip blanks. */
2239	while ( cchLineBeforeTodo > 2
2240	&& RT_C_IS_BLANK(pchLine[cchLineBeforeTodo - 1]))
2241	cchLineBeforeTodo--;
2242
2243	/* Look for same line indicator. */
2244	if ( cchLineBeforeTodo > 0
2245	&& pchLine[cchLineBeforeTodo - 1] == '<')
2246	{
2247	*pfSameLine = true;
2248	cchLineBeforeTodo--;
2249	}
2250
2251	/* Skip s /
2252	while ( cchLineBeforeTodo > 1
2253	&& pchLine[cchLineBeforeTodo - 1] == '*')
2254	cchLineBeforeTodo--;
2255
2256	/* Do we have a comment opening sequence. */
2257	if ( cchLineBeforeTodo > 0
2258	&& pchLine[cchLineBeforeTodo - 1] == '/'
2259	&& ( ( cchLineBeforeTodo >= 2
2260	&& pchLine[cchLineBeforeTodo - 2] == '/')
2261	\|\| pchLine[cchLineBeforeTodo] == '*'))
2262	{
2263	/* Skip slashes at the start. */
2264	while ( cchLineBeforeTodo > 0
2265	&& pchLine[cchLineBeforeTodo - 1] == '/')
2266	cchLineBeforeTodo--;
2267
2268	return cchLineBeforeTodo;
2269	}
2270
2271	return ~(size_t)0;
2272	}
2273
2274
2275	/**
2276	* Looks for a TODO or todo in the given line.
2277	*
2278	* @returns Offset into the line of found, ~(size_t)0 if not.
2279	* @param pchLine The line to search.
2280	* @param cchLine The length of the line.
2281	*/
2282	static size_t findTodo(char const *pchLine, size_t cchLine)
2283	{
2284	if (cchLine >= 4 + 2)
2285	{
2286	/* We don't search the first to chars because we need the start of a comment.
2287	Also, skip the last three chars since we need at least four for a match. */
2288	size_t const cchLineT = cchLine - 3;
2289	if ( memchr(pchLine + 2, 't', cchLineT - 2) != NULL
2290	\|\| memchr(pchLine + 2, 'T', cchLineT - 2) != NULL)
2291	{
2292	for (size_t off = 2; off < cchLineT; off++)
2293	{
2294	char ch = pchLine[off];
2295	if ( ( ch != 't'
2296	&& ch != 'T')
2297	\|\| ( (ch = pchLine[off + 1]) != 'o'
2298	&& ch != 'O')
2299	\|\| ( (ch = pchLine[off + 2]) != 'd'
2300	&& ch != 'D')
2301	\|\| ( (ch = pchLine[off + 3]) != 'o'
2302	&& ch != 'O')
2303	\|\| ( off + 4 != cchLine
2304	&& (ch = pchLine[off + 4]) != ' '
2305	&& ch != '\t'
2306	&& ch != ':' /** @todo */
2307	&& (ch != '' \|\| off + 5 > cchLine \|\| pchLine[off + 5] != '/') /* @todo */
2308	) )
2309	{ /* not a hit - likely */ }
2310	else
2311	return off;
2312	}
2313	}
2314	}
2315	return ~(size_t)0;
2316	}
2317
2318
2319	/**
2320	* Doxygen todos in C and C++ code.
2321	*
2322	* @returns true if modifications were made, false if not.
2323	* @param pState The rewriter state.
2324	* @param pIn The input stream.
2325	* @param pOut The output stream.
2326	* @param pSettings The settings.
2327	*/
2328	bool rewrite_Fix_C_and_CPP_Todos(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
2329	{
2330	if (!pSettings->fFixTodos)
2331	return false;
2332
2333	/*
2334	* Work thru the file line by line looking for the start of todo comments.
2335	*/
2336	size_t cChanges = 0;
2337	SCMEOL enmEol;
2338	size_t cchLine;
2339	const char *pchLine;
2340	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
2341	{
2342	/*
2343	* Look for the word 'todo' in the line. We're currently only trying
2344	* to catch comments starting with the word todo and adjust the start of
2345	* the doxygen statement.
2346	*/
2347	size_t offTodo = findTodo(pchLine, cchLine);
2348	if ( offTodo != ~(size_t)0
2349	&& offTodo >= 2)
2350	{
2351	/* Work backwards to find the start of the comment. */
2352	bool fSameLine = false;
2353	size_t offCommentStart = findTodoCommentStart(pchLine, offTodo, &fSameLine);
2354	if (offCommentStart != ~(size_t)0)
2355	{
2356	char szNew[64];
2357	size_t cchNew = 0;
2358	szNew[cchNew++] = '/';
2359	szNew[cchNew++] = pchLine[offCommentStart + 1];
2360	szNew[cchNew++] = pchLine[offCommentStart + 1];
2361	if (fSameLine)
2362	szNew[cchNew++] = '<';
2363	szNew[cchNew++] = ' ';
2364	szNew[cchNew++] = '@';
2365	szNew[cchNew++] = 't';
2366	szNew[cchNew++] = 'o';
2367	szNew[cchNew++] = 'd';
2368	szNew[cchNew++] = 'o';
2369
2370	/* Figure out wheter to continue after the @todo statement opening, we'll strip ':'
2371	but need to take into account that we might be at the end of the line before
2372	adding the space. */
2373	size_t offTodoAfter = offTodo + 4;
2374	if ( offTodoAfter < cchLine
2375	&& pchLine[offTodoAfter] == ':')
2376	offTodoAfter++;
2377	if ( offTodoAfter < cchLine
2378	&& RT_C_IS_BLANK(pchLine[offTodoAfter]))
2379	offTodoAfter++;
2380	if (offTodoAfter < cchLine)
2381	szNew[cchNew++] = ' ';
2382
2383	/* Write it out. */
2384	ScmStreamWrite(pOut, pchLine, offCommentStart);
2385	ScmStreamWrite(pOut, szNew, cchNew);
2386	if (offTodoAfter < cchLine)
2387	ScmStreamWrite(pOut, &pchLine[offTodoAfter], cchLine - offTodoAfter);
2388	ScmStreamPutEol(pOut, enmEol);
2389
2390	/* Check whether we actually made any changes. */
2391	if ( cchNew != offTodoAfter - offCommentStart
2392	\|\| memcmp(szNew, &pchLine[offCommentStart], cchNew))
2393	cChanges++;
2394	continue;
2395	}
2396	}
2397
2398	int rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
2399	if (RT_FAILURE(rc))
2400	return false;
2401	}
2402	if (cChanges > 0)
2403	ScmVerbose(pState, 2, " * Converted %zu todo statements.\n", cChanges);
2404	return cChanges != 0;
2405	}
2406
2407
2408	/**
2409	* Tries to parse a C/C++ preprocessor include directive.
2410	*
2411	* This is resonably forgiving and expects sane input.
2412	*
2413	* @retval kScmIncludeDir_Invalid if not a valid include directive.
2414	* @retval kScmIncludeDir_Quoted
2415	* @retval kScmIncludeDir_Bracketed
2416	* @retval kScmIncludeDir_Macro
2417	*
2418	* @param pState The rewriter state (for repording malformed
2419	* directives).
2420	* @param pchLine The line to try parse as an include statement.
2421	* @param cchLine The line length.
2422	* @param ppchFilename Where to return the pointer to the filename part.
2423	* @param pcchFilename Where to return the length of the filename.
2424	*/
2425	SCMINCLUDEDIR ScmMaybeParseCIncludeLine(PSCMRWSTATE pState, const char *pchLine, size_t cchLine,
2426	const char *ppchFilename, size_t pcchFilename)
2427	{
2428	/* Skip leading spaces: */
2429	while (cchLine > 0 && RT_C_IS_BLANK(*pchLine))
2430	cchLine--, pchLine++;
2431
2432	/* Check for '#': */
2433	if (cchLine > 0 && *pchLine == '#')
2434	{
2435	cchLine--;
2436	pchLine++;
2437
2438	/* Skip spaces after '#' (optional): */
2439	while (cchLine > 0 && RT_C_IS_BLANK(*pchLine))
2440	cchLine--, pchLine++;
2441
2442	/* Check for 'include': */
2443	static char const s_szInclude[] = "include";
2444	if ( cchLine >= sizeof(s_szInclude)
2445	&& memcmp(pchLine, RT_STR_TUPLE(s_szInclude)) == 0)
2446	{
2447	cchLine -= sizeof(s_szInclude) - 1;
2448	pchLine += sizeof(s_szInclude) - 1;
2449
2450	/* Skip spaces after 'include' word (optional): */
2451	while (cchLine > 0 && RT_C_IS_BLANK(*pchLine))
2452	cchLine--, pchLine++;
2453	if (cchLine > 0)
2454	{
2455	/* Quoted or bracketed? */
2456	char const chFirst = *pchLine;
2457	if (chFirst == '"' \|\| chFirst == '<')
2458	{
2459	cchLine--;
2460	pchLine++;
2461	const char pchEnd = (const char )memchr(pchLine, chFirst == '"' ? '"' : '>', cchLine);
2462	if (pchEnd)
2463	{
2464	if (ppchFilename)
2465	*ppchFilename = pchLine;
2466	if (pcchFilename)
2467	*pcchFilename = pchEnd - pchLine;
2468	return chFirst == '"' ? kScmIncludeDir_Quoted : kScmIncludeDir_Bracketed;
2469	}
2470	ScmError(pState, VERR_PARSE_ERROR, "Unbalanced #include filename %s: %.*s\n",
2471	chFirst == '"' ? "quotes" : "brackets" , cchLine, pchLine);
2472	}
2473	/* C prepreprocessor macro? */
2474	else if (ScmIsCIdentifierLeadChar(chFirst))
2475	{
2476	size_t cchFilename = 1;
2477	while ( cchFilename < cchLine
2478	&& ScmIsCIdentifierChar(pchLine[cchFilename]))
2479	cchFilename++;
2480	if (ppchFilename)
2481	*ppchFilename = pchLine;
2482	if (pcchFilename)
2483	*pcchFilename = cchFilename;
2484	return kScmIncludeDir_Macro;
2485	}
2486	else
2487	ScmError(pState, VERR_PARSE_ERROR, "Malformed #include filename part: %.*s\n", cchLine, pchLine);
2488	}
2489	else
2490	ScmError(pState, VERR_PARSE_ERROR, "Missing #include filename!\n");
2491	}
2492	}
2493
2494	if (ppchFilename)
2495	*ppchFilename = NULL;
2496	if (pcchFilename)
2497	*pcchFilename = 0;
2498	return kScmIncludeDir_Invalid;
2499	}
2500
2501
2502	/**
2503	* Fix err.h/errcore.h usage.
2504	*
2505	* @returns true if modifications were made, false if not.
2506	* @param pIn The input stream.
2507	* @param pOut The output stream.
2508	* @param pSettings The settings.
2509	*/
2510	bool rewrite_Fix_Err_H(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
2511	{
2512	if (!pSettings->fFixErrH)
2513	return false;
2514
2515	static struct
2516	{
2517	const char *pszHeader;
2518	unsigned cchHeader;
2519	int iLevel;
2520	} const s_aHeaders[] =
2521	{
2522	{ RT_STR_TUPLE("iprt/errcore.h"), 1 },
2523	{ RT_STR_TUPLE("iprt/err.h"), 2 },
2524	{ RT_STR_TUPLE("VBox/err.h"), 3 },
2525	};
2526	static RTSTRTUPLE const g_aLevel1Statuses[] = /* Note! Keep in sync with errcore.h content! */
2527	{
2528	{ RT_STR_TUPLE("VINF_SUCCESS") },
2529	{ RT_STR_TUPLE("VERR_GENERAL_FAILURE") },
2530	{ RT_STR_TUPLE("VERR_INVALID_PARAMETER") },
2531	{ RT_STR_TUPLE("VWRN_INVALID_PARAMETER") },
2532	{ RT_STR_TUPLE("VERR_INVALID_MAGIC") },
2533	{ RT_STR_TUPLE("VWRN_INVALID_MAGIC") },
2534	{ RT_STR_TUPLE("VERR_INVALID_HANDLE") },
2535	{ RT_STR_TUPLE("VWRN_INVALID_HANDLE") },
2536	{ RT_STR_TUPLE("VERR_INVALID_POINTER") },
2537	{ RT_STR_TUPLE("VERR_NO_MEMORY") },
2538	{ RT_STR_TUPLE("VERR_PERMISSION_DENIED") },
2539	{ RT_STR_TUPLE("VINF_PERMISSION_DENIED") },
2540	{ RT_STR_TUPLE("VERR_VERSION_MISMATCH") },
2541	{ RT_STR_TUPLE("VERR_NOT_IMPLEMENTED") },
2542	{ RT_STR_TUPLE("VERR_INVALID_FLAGS") },
2543	{ RT_STR_TUPLE("VERR_WRONG_ORDER") },
2544	{ RT_STR_TUPLE("VERR_INVALID_FUNCTION") },
2545	{ RT_STR_TUPLE("VERR_NOT_SUPPORTED") },
2546	{ RT_STR_TUPLE("VINF_NOT_SUPPORTED") },
2547	{ RT_STR_TUPLE("VERR_ACCESS_DENIED") },
2548	{ RT_STR_TUPLE("VERR_INTERRUPTED") },
2549	{ RT_STR_TUPLE("VINF_INTERRUPTED") },
2550	{ RT_STR_TUPLE("VERR_TIMEOUT") },
2551	{ RT_STR_TUPLE("VINF_TIMEOUT") },
2552	{ RT_STR_TUPLE("VERR_BUFFER_OVERFLOW") },
2553	{ RT_STR_TUPLE("VINF_BUFFER_OVERFLOW") },
2554	{ RT_STR_TUPLE("VERR_TOO_MUCH_DATA") },
2555	{ RT_STR_TUPLE("VERR_TRY_AGAIN") },
2556	{ RT_STR_TUPLE("VINF_TRY_AGAIN") },
2557	{ RT_STR_TUPLE("VERR_PARSE_ERROR") },
2558	{ RT_STR_TUPLE("VERR_OUT_OF_RANGE") },
2559	{ RT_STR_TUPLE("VERR_NUMBER_TOO_BIG") },
2560	{ RT_STR_TUPLE("VWRN_NUMBER_TOO_BIG") },
2561	{ RT_STR_TUPLE("VERR_CANCELLED") },
2562	{ RT_STR_TUPLE("VERR_TRAILING_CHARS") },
2563	{ RT_STR_TUPLE("VWRN_TRAILING_CHARS") },
2564	{ RT_STR_TUPLE("VERR_TRAILING_SPACES") },
2565	{ RT_STR_TUPLE("VWRN_TRAILING_SPACES") },
2566	{ RT_STR_TUPLE("VERR_NOT_FOUND") },
2567	{ RT_STR_TUPLE("VWRN_NOT_FOUND") },
2568	{ RT_STR_TUPLE("VERR_INVALID_STATE") },
2569	{ RT_STR_TUPLE("VWRN_INVALID_STATE") },
2570	{ RT_STR_TUPLE("VERR_OUT_OF_RESOURCES") },
2571	{ RT_STR_TUPLE("VWRN_OUT_OF_RESOURCES") },
2572	{ RT_STR_TUPLE("VERR_END_OF_STRING") },
2573	{ RT_STR_TUPLE("VERR_CALLBACK_RETURN") },
2574	{ RT_STR_TUPLE("VINF_CALLBACK_RETURN") },
2575	{ RT_STR_TUPLE("VERR_DUPLICATE") },
2576	{ RT_STR_TUPLE("VERR_MISSING") },
2577	{ RT_STR_TUPLE("VERR_BUFFER_UNDERFLOW") },
2578	{ RT_STR_TUPLE("VINF_BUFFER_UNDERFLOW") },
2579	{ RT_STR_TUPLE("VERR_NOT_AVAILABLE") },
2580	{ RT_STR_TUPLE("VERR_MISMATCH") },
2581	{ RT_STR_TUPLE("VERR_WRONG_TYPE") },
2582	{ RT_STR_TUPLE("VWRN_WRONG_TYPE") },
2583	{ RT_STR_TUPLE("VERR_WRONG_PARAMETER_COUNT") },
2584	{ RT_STR_TUPLE("VERR_WRONG_PARAMETER_TYPE") },
2585	{ RT_STR_TUPLE("VERR_INVALID_CLIENT_ID") },
2586	{ RT_STR_TUPLE("VERR_INVALID_SESSION_ID") },
2587	{ RT_STR_TUPLE("VERR_INCOMPATIBLE_CONFIG") },
2588	{ RT_STR_TUPLE("VERR_INTERNAL_ERROR") },
2589	{ RT_STR_TUPLE("VINF_GETOPT_NOT_OPTION") },
2590	{ RT_STR_TUPLE("VERR_GETOPT_UNKNOWN_OPTION") },
2591	};
2592
2593	/*
2594	* First pass: Scout #include err.h/errcore.h locations and usage.
2595	*
2596	* Note! This isn't entirely optimal since it's also parsing comments and
2597	* strings, not just code. However it does a decent job for now.
2598	*/
2599	int iIncludeLevel = 0;
2600	int iUsageLevel = 0;
2601	uint32_t iLine = 0;
2602	SCMEOL enmEol;
2603	size_t cchLine;
2604	const char *pchLine;
2605	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
2606	{
2607	iLine++;
2608	if (cchLine < 6)
2609	continue;
2610
2611	/*
2612	* Look for #includes.
2613	*/
2614	const char pchHash = (const char )memchr(pchLine, '#', cchLine);
2615	if ( pchHash
2616	&& isSpanOfBlanks(pchLine, pchHash - pchLine))
2617	{
2618	const char *pchFilename;
2619	size_t cchFilename;
2620	SCMINCLUDEDIR enmIncDir = ScmMaybeParseCIncludeLine(pState, pchLine, cchLine, &pchFilename, &cchFilename);
2621	if ( enmIncDir == kScmIncludeDir_Bracketed
2622	\|\| enmIncDir == kScmIncludeDir_Quoted)
2623	{
2624	unsigned i = RT_ELEMENTS(s_aHeaders);
2625	while (i-- > 0)
2626	if ( s_aHeaders[i].cchHeader == cchFilename
2627	&& RTStrNICmpAscii(pchFilename, s_aHeaders[i].pszHeader, cchFilename) == 0)
2628	{
2629	if (iIncludeLevel < s_aHeaders[i].iLevel)
2630	iIncludeLevel = s_aHeaders[i].iLevel;
2631	break;
2632	}
2633
2634	/* Special hack for error info. */
2635	if (cchFilename == sizeof("errmsgdata.h") - 1 && memcmp(pchFilename, RT_STR_TUPLE("errmsgdata.h")) == 0)
2636	iUsageLevel = 4;
2637
2638	/* Special hack for code templates. */
2639	if ( cchFilename >= sizeof(".cpp.h")
2640	&& memcmp(&pchFilename[cchFilename - sizeof(".cpp.h") + 1], RT_STR_TUPLE(".cpp.h")) == 0)
2641	iUsageLevel = 4;
2642	continue;
2643	}
2644	}
2645	/*
2646	* Look for VERR_, VWRN_, VINF_ prefixed identifiers in the current line.
2647	*/
2648	const char pchHit = (const char )memchr(pchLine, 'V', cchLine);
2649	if (pchHit)
2650	{
2651	const char *pchLeft = pchLine;
2652	size_t cchLeft = cchLine;
2653	do
2654	{
2655	size_t cchLeftHit = &pchLeft[cchLeft] - pchHit;
2656	if (cchLeftHit < 6)
2657	break;
2658	if ( pchHit[4] == '_'
2659	&& ( pchHit == pchLine
2660	\|\| !ScmIsCIdentifierChar(pchHit[-1]))
2661	&& ( (pchHit[1] == 'E' && pchHit[2] == 'R' && pchHit[3] == 'R')
2662	\|\| (pchHit[1] == 'W' && pchHit[2] == 'R' && pchHit[3] == 'N')
2663	\|\| (pchHit[1] == 'I' && pchHit[2] == 'N' && pchHit[3] == 'F') ) )
2664	{
2665	size_t cchIdentifier = 5;
2666	while (cchIdentifier < cchLeftHit && ScmIsCIdentifierChar(pchHit[cchIdentifier]))
2667	cchIdentifier++;
2668	ScmVerbose(pState, 4, "--- status code at %u col %zu: %.*s\n",
2669	iLine, pchHit - pchLine, cchIdentifier, pchHit);
2670
2671	if (iUsageLevel <= 1)
2672	{
2673	iUsageLevel = 3; /* Cannot distingish between iprt/err.h and VBox/err.h, so pick the latter for now. */
2674	for (unsigned i = 0; i < RT_ELEMENTS(g_aLevel1Statuses); i++)
2675	if ( cchIdentifier == g_aLevel1Statuses[i].cch
2676	&& memcmp(pchHit, g_aLevel1Statuses[i].psz, cchIdentifier) == 0)
2677	{
2678	iUsageLevel = 1;
2679	break;
2680	}
2681	}
2682
2683	pchLeft = pchHit + cchIdentifier;
2684	cchLeft = cchLeftHit - cchIdentifier;
2685	}
2686	else
2687	{
2688	pchLeft = pchHit + 1;
2689	cchLeft = cchLeftHit - 1;
2690	}
2691	pchHit = (const char *)memchr(pchLeft, 'V', cchLeft);
2692	} while (pchHit != NULL);
2693	}
2694	}
2695	ScmVerbose(pState, 3, "--- iIncludeLevel=%d iUsageLevel=%d\n", iIncludeLevel, iUsageLevel);
2696
2697	/*
2698	* Second pass: Change err.h to errcore.h if we detected a need for change.
2699	*/
2700	if ( iIncludeLevel <= iUsageLevel
2701	\|\| iIncludeLevel <= 1 /* we cannot safely eliminate errcore.h includes atm. */)
2702	return false;
2703
2704	unsigned cChanges = 0;
2705	ScmStreamRewindForReading(pIn);
2706	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
2707	{
2708	/*
2709	* Look for #includes to modify.
2710	*/
2711	if (cchLine >= 6)
2712	{
2713	const char pchHash = (const char )memchr(pchLine, '#', cchLine);
2714	if ( pchHash
2715	&& isSpanOfBlanks(pchLine, pchHash - pchLine))
2716	{
2717	const char *pchFilename;
2718	size_t cchFilename;
2719	SCMINCLUDEDIR enmIncDir = ScmMaybeParseCIncludeLine(pState, pchLine, cchLine, &pchFilename, &cchFilename);
2720	if ( enmIncDir == kScmIncludeDir_Bracketed
2721	\|\| enmIncDir == kScmIncludeDir_Quoted)
2722	{
2723	unsigned i = RT_ELEMENTS(s_aHeaders);
2724	while (i-- > 0)
2725	if ( s_aHeaders[i].cchHeader == cchFilename
2726	&& RTStrNICmpAscii(pchFilename, s_aHeaders[i].pszHeader, cchFilename) == 0)
2727	{
2728	ScmStreamWrite(pOut, pchLine, pchFilename - pchLine - 1);
2729	ScmStreamWrite(pOut, RT_STR_TUPLE("<iprt/errcore.h>"));
2730	size_t cchTrailing = &pchLine[cchLine] - &pchFilename[cchFilename + 1];
2731	if (cchTrailing > 0)
2732	ScmStreamWrite(pOut, &pchFilename[cchFilename + 1], cchTrailing);
2733	ScmStreamPutEol(pOut, enmEol);
2734	cChanges++;
2735	pchLine = NULL;
2736	break;
2737	}
2738	if (!pchLine)
2739	continue;
2740	}
2741	}
2742	}
2743
2744	int rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
2745	if (RT_FAILURE(rc))
2746	return false;
2747	}
2748	ScmVerbose(pState, 2, " * Converted %zu err.h/errcore.h include statements.\n", cChanges);
2749	return true;
2750	}
2751
2752	typedef struct
2753	{
2754	const char *pch;
2755	uint8_t cch;
2756	uint8_t cchSpaces; /*< Number of expected spaces before the word. /
2757	bool fSpacesBefore : 1; /*< Whether there may be spaces or tabs before the word. /
2758	bool fIdentifier : 1; /*< Whether we're to expect a C/C++ identifier rather than pch/cch. /
2759	} SCMMATCHWORD;
2760
2761
2762	int ScmMatchWords(const char pchLine, size_t cchLine, SCMMATCHWORD const paWords, size_t cWords,
2763	size_t *poffNext, PRTSTRTUPLE paIdentifiers, PRTERRINFO pErrInfo)
2764	{
2765	int rc = VINF_SUCCESS;
2766
2767	size_t offLine = 0;
2768	for (size_t i = 0; i < cWords; i++)
2769	{
2770	SCMMATCHWORD const *pWord = &paWords[i];
2771
2772	/*
2773	* Deal with spaces preceeding the word first:
2774	*/
2775	if (pWord->fSpacesBefore)
2776	{
2777	size_t cchSpaces = 0;
2778	size_t cchTabs = 0;
2779	while (offLine < cchLine)
2780	{
2781	const char ch = pchLine[offLine];
2782	if (ch == ' ')
2783	cchSpaces++;
2784	else if (ch == '\t')
2785	cchTabs++;
2786	else
2787	break;
2788	offLine++;
2789	}
2790
2791	if (cchSpaces == pWord->cchSpaces && cchTabs == 0)
2792	{ /* likely */ }
2793	else if (cchSpaces == 0 && cchTabs == 0)
2794	return RTErrInfoSetF(pErrInfo, VERR_PARSE_ERROR, "expected space at offset %u", offLine);
2795	else
2796	rc = VWRN_TRAILING_SPACES;
2797	}
2798	else
2799	Assert(pWord->cchSpaces == 0);
2800
2801	/*
2802	* C/C++ identifier?
2803	*/
2804	if (pWord->fIdentifier)
2805	{
2806	if (offLine >= cchLine)
2807	return RTErrInfoSetF(pErrInfo, VERR_END_OF_STRING,
2808	"expected '%.*s' (C/C++ identifier) at offset %u, not end of string",
2809	pWord->cch, pWord->pch, offLine);
2810	if (!ScmIsCIdentifierLeadChar(pchLine[offLine]))
2811	return RTErrInfoSetF(pErrInfo, VERR_MISMATCH, "expected '%.*s' (C/C++ identifier) at offset %u",
2812	pWord->cch, pWord->pch, offLine);
2813	size_t const offStart = offLine++;
2814	while (offLine < cchLine && ScmIsCIdentifierChar(pchLine[offLine]))
2815	offLine++;
2816	if (paIdentifiers)
2817	{
2818	paIdentifiers->cch = offLine - offStart;
2819	paIdentifiers->psz = &pchLine[offStart];
2820	paIdentifiers++;
2821	}
2822	}
2823	/*
2824	* Match the exact word.
2825	*/
2826	else if ( pWord->cch == 0
2827	\|\| ( pWord->cch <= cchLine - offLine
2828	&& !memcmp(pWord->pch, &pchLine[offLine], pWord->cch)))
2829	offLine += pWord->cch;
2830	else
2831	return RTErrInfoSetF(pErrInfo, VERR_MISMATCH, "expected '%.*s' at offset %u", pWord->cch, pWord->pch, offLine);
2832	}
2833
2834	/*
2835	* Check for trailing characters/whatnot.
2836	*/
2837	if (poffNext)
2838	*poffNext = offLine;
2839	else if (offLine != cchLine)
2840	rc = RTErrInfoSetF(pErrInfo, VERR_TRAILING_CHARS, "unexpected trailing characters at offset %u", offLine);
2841	return rc;
2842	}
2843
2844
2845	/**
2846	* Fix header file include guards and \#pragma once.
2847	*
2848	* @returns true if modifications were made, false if not.
2849	* @param pIn The input stream.
2850	* @param pOut The output stream.
2851	* @param pSettings The settings.
2852	*/
2853	bool rewrite_FixHeaderGuards(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
2854	{
2855	if (!pSettings->fFixHeaderGuards)
2856	return false;
2857
2858	/* always skip .cpp.h files */
2859	size_t cchFilename = strlen(pState->pszFilename);
2860	if ( cchFilename > sizeof(".cpp.h")
2861	&& RTStrICmpAscii(&pState->pszFilename[cchFilename - sizeof(".cpp.h") + 1], ".cpp.h") == 0)
2862	return false;
2863
2864	RTERRINFOSTATIC ErrInfo;
2865	char szNormalized[168];
2866	size_t cchNormalized = 0;
2867	int rc;
2868	bool fRet = false;
2869
2870	/*
2871	* Calculate the expected guard for this file, if so tasked.
2872	* ASSUMES pState->pszFilename is absolute as is pSettings->pszGuardRelativeToDir.
2873	*/
2874	szNormalized[0] = '\0';
2875	if (pSettings->pszGuardRelativeToDir)
2876	{
2877	rc = RTStrCopy(szNormalized, sizeof(szNormalized), pSettings->pszGuardPrefix);
2878	if (RT_FAILURE(rc))
2879	return ScmError(pState, rc, "Guard prefix too long (or something): %s\n", pSettings->pszGuardPrefix);
2880	cchNormalized = strlen(szNormalized);
2881	if (strcmp(pSettings->pszGuardRelativeToDir, "{dir}") == 0)
2882	rc = RTStrCopy(&szNormalized[cchNormalized], sizeof(szNormalized) - cchNormalized,
2883	RTPathFilename(pState->pszFilename));
2884	else if (strcmp(pSettings->pszGuardRelativeToDir, "{parent}") == 0)
2885	{
2886	const char *pszSrc = RTPathFilename(pState->pszFilename);
2887	if (!pszSrc \|\| (uintptr_t)&pszSrc[-2] < (uintptr_t)pState->pszFilename \|\| !RTPATH_IS_SLASH(pszSrc[-1]))
2888	return ScmError(pState, VERR_INTERNAL_ERROR, "Error calculating {parent} header guard!\n");
2889	pszSrc -= 2;
2890	while ( (uintptr_t)pszSrc > (uintptr_t)pState->pszFilename
2891	&& !RTPATH_IS_SLASH(pszSrc[-1])
2892	&& !RTPATH_IS_VOLSEP(pszSrc[-1]))
2893	pszSrc--;
2894	rc = RTStrCopy(&szNormalized[cchNormalized], sizeof(szNormalized) - cchNormalized, pszSrc);
2895	}
2896	else
2897	rc = RTPathCalcRelative(&szNormalized[cchNormalized], sizeof(szNormalized) - cchNormalized,
2898	pSettings->pszGuardRelativeToDir, pState->pszFilename);
2899	if (RT_FAILURE(rc))
2900	return ScmError(pState, rc, "Error calculating guard prefix (RTPathCalcRelative): %Rrc\n", rc);
2901	char ch;
2902	while ((ch = szNormalized[cchNormalized]) != '\0')
2903	{
2904	if (!ScmIsCIdentifierChar(ch))
2905	szNormalized[cchNormalized] = '_';
2906	cchNormalized++;
2907	}
2908	}
2909
2910	/*
2911	* First part looks for the #ifndef xxxx paired with #define xxxx.
2912	*
2913	* We blindly assume the first preprocessor directive in the file is the guard
2914	* and will be upset if this isn't the case.
2915	*/
2916	RTSTRTUPLE Guard = { NULL, 0 };
2917	uint32_t cBlankLines = 0;
2918	SCMEOL enmEol;
2919	size_t cchLine;
2920	const char *pchLine;
2921	for (;;)
2922	{
2923	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
2924	if (pchLine == NULL)
2925	return ScmError(pState, VERR_PARSE_ERROR, "Did not find any include guards!\n");
2926	if (cchLine >= 2)
2927	{
2928	const char pchHash = (const char )memchr(pchLine, '#', cchLine);
2929	if ( pchHash
2930	&& isSpanOfBlanks(pchLine, pchHash - pchLine))
2931	{
2932	/* #ifndef xxxx */
2933	static const SCMMATCHWORD s_aIfndefGuard[] =
2934	{
2935	{ RT_STR_TUPLE("#"), 0, true, false },
2936	{ RT_STR_TUPLE("ifndef"), 0, true, false },
2937	{ RT_STR_TUPLE("IDENTIFIER"), 1, true, true },
2938	{ RT_STR_TUPLE(""), 0, true, false },
2939	};
2940	rc = ScmMatchWords(pchLine, cchLine, s_aIfndefGuard, RT_ELEMENTS(s_aIfndefGuard),
2941	NULL /poffNext/, &Guard, RTErrInfoInitStatic(&ErrInfo));
2942	if (RT_FAILURE(rc))
2943	return ScmError(pState, rc, "%u: Expected first preprocessor directive to be '#ifndef xxxx'. %s (%.*s)\n",
2944	ScmStreamTellLine(pIn) - 1, ErrInfo.Core.pszMsg, cchLine, pchLine);
2945	fRet \|= rc != VINF_SUCCESS;
2946	ScmVerbose(pState, 3, "line %u in %s: #ifndef %.*s\n",
2947	ScmStreamTellLine(pIn) - 1, pState->pszFilename, Guard.cch, Guard.psz);
2948
2949	/* #define xxxx */
2950	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
2951	if (!pchLine)
2952	return ScmError(pState, VERR_PARSE_ERROR, "%u: Unexpected end of file after '#ifndef %.*s'\n",
2953	ScmStreamTellLine(pIn) - 1, Guard.cch, Guard.psz);
2954	const SCMMATCHWORD aDefineGuard[] =
2955	{
2956	{ RT_STR_TUPLE("#"), 0, true, false },
2957	{ RT_STR_TUPLE("define"), 0, true, false },
2958	{ Guard.psz, (uint8_t)Guard.cch, 1, true, false },
2959	{ RT_STR_TUPLE(""), 0, true, false },
2960	};
2961	rc = ScmMatchWords(pchLine, cchLine, aDefineGuard, RT_ELEMENTS(aDefineGuard),
2962	NULL /poffNext/, NULL /paIdentifiers/, RTErrInfoInitStatic(&ErrInfo));
2963	if (RT_FAILURE(rc))
2964	return ScmError(pState, rc, "%u: Expected '#define %.s' to follow '#ifndef %.s'. %s (%.*s)\n",
2965	ScmStreamTellLine(pIn) - 1, Guard.cch, Guard.psz, Guard.cch, Guard.psz,
2966	ErrInfo.Core.pszMsg, cchLine, pchLine);
2967	fRet \|= rc != VINF_SUCCESS;
2968
2969	if (Guard.cch >= sizeof(szNormalized))
2970	return ScmError(pState, VERR_BUFFER_OVERFLOW, "%u: Guard macro too long! %.*s\n",
2971	ScmStreamTellLine(pIn) - 2, Guard.cch, Guard.psz);
2972
2973	if (szNormalized[0] != '\0')
2974	{
2975	if ( Guard.cch != cchNormalized
2976	\|\| memcmp(Guard.psz, szNormalized, cchNormalized) != 0)
2977	{
2978	ScmVerbose(pState, 2, "guard changed from %.*s to %s\n", Guard.cch, Guard.psz, szNormalized);
2979	ScmVerbose(pState, 2, "grep -rw %.*s ${WCROOT} \| grep -Fv %s\n",
2980	Guard.cch, Guard.psz, pState->pszFilename);
2981	fRet = true;
2982	}
2983	Guard.psz = szNormalized;
2984	Guard.cch = cchNormalized;
2985	}
2986
2987	/*
2988	* Write guard, making sure we've got a single blank line preceeding it.
2989	*/
2990	ScmStreamPutEol(pOut, enmEol);
2991	ScmStreamWrite(pOut, RT_STR_TUPLE("#ifndef "));
2992	ScmStreamWrite(pOut, Guard.psz, Guard.cch);
2993	ScmStreamPutEol(pOut, enmEol);
2994	ScmStreamWrite(pOut, RT_STR_TUPLE("#define "));
2995	ScmStreamWrite(pOut, Guard.psz, Guard.cch);
2996	rc = ScmStreamPutEol(pOut, enmEol);
2997	if (RT_FAILURE(rc))
2998	return false;
2999	break;
3000	}
3001	}
3002
3003	if (!isBlankLine(pchLine, cchLine))
3004	{
3005	while (cBlankLines-- > 0)
3006	ScmStreamPutEol(pOut, enmEol);
3007	cBlankLines = 0;
3008	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
3009	if (RT_FAILURE(rc))
3010	return false;
3011	}
3012	else
3013	cBlankLines++;
3014	}
3015
3016	/*
3017	* Look for pragma once wrapped in #ifndef RT_WITHOUT_PRAGMA_ONCE.
3018	*/
3019	size_t const iPragmaOnce = ScmStreamTellLine(pIn);
3020	static const SCMMATCHWORD s_aIfndefRtWithoutPragmaOnce[] =
3021	{
3022	{ RT_STR_TUPLE("#"), 0, true, false },
3023	{ RT_STR_TUPLE("ifndef"), 0, true, false },
3024	{ RT_STR_TUPLE("RT_WITHOUT_PRAGMA_ONCE"), 1, true, false },
3025	{ RT_STR_TUPLE(""), 0, true, false },
3026	};
3027	static const SCMMATCHWORD s_aPragmaOnce[] =
3028	{
3029	{ RT_STR_TUPLE("#"), 0, true, false },
3030	{ RT_STR_TUPLE("pragma"), 1, true, false },
3031	{ RT_STR_TUPLE("once"), 1, true, false},
3032	{ RT_STR_TUPLE(""), 0, true, false },
3033	};
3034	static const SCMMATCHWORD s_aEndif[] =
3035	{
3036	{ RT_STR_TUPLE("#"), 0, true, false },
3037	{ RT_STR_TUPLE("endif"), 0, true, false },
3038	{ RT_STR_TUPLE(""), 0, true, false },
3039	};
3040
3041	/* #ifndef RT_WITHOUT_PRAGMA_ONCE */
3042	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
3043	if (!pchLine)
3044	return ScmError(pState, VERR_PARSE_ERROR, "%u: Unexpected end of file after header guard!\n", iPragmaOnce + 1);
3045	size_t offNext;
3046	rc = ScmMatchWords(pchLine, cchLine, s_aIfndefRtWithoutPragmaOnce, RT_ELEMENTS(s_aIfndefRtWithoutPragmaOnce),
3047	&offNext, NULL /paIdentifiers/, RTErrInfoInitStatic(&ErrInfo));
3048	if (RT_SUCCESS(rc))
3049	{
3050	fRet \|= rc != VINF_SUCCESS;
3051	if (offNext != cchLine)
3052	return ScmError(pState, VERR_PARSE_ERROR, "%u: Characters trailing '#ifndef RT_WITHOUT_PRAGMA_ONCE' (%.*s)\n",
3053	iPragmaOnce + 1, cchLine, pchLine);
3054
3055	/* # pragma once */
3056	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
3057	if (!pchLine)
3058	return ScmError(pState, VERR_PARSE_ERROR, "%u: Unexpected end of file after '#ifndef RT_WITHOUT_PRAGMA_ONCE'\n",
3059	iPragmaOnce + 2);
3060	rc = ScmMatchWords(pchLine, cchLine, s_aPragmaOnce, RT_ELEMENTS(s_aPragmaOnce),
3061	NULL /poffNext/, NULL /paIdentifiers/, RTErrInfoInitStatic(&ErrInfo));
3062	if (RT_SUCCESS(rc))
3063	fRet \|= rc != VINF_SUCCESS;
3064	else
3065	return ScmError(pState, rc, "%u: Expected '# pragma once' to follow '#ifndef RT_WITHOUT_PRAGMA_ONCE'! %s (%.*s)\n",
3066	iPragmaOnce + 2, ErrInfo.Core.pszMsg, cchLine, pchLine);
3067
3068	/* #endif */
3069	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
3070	if (!pchLine)
3071	return ScmError(pState, VERR_PARSE_ERROR, "%u: Unexpected end of file after '#ifndef RT_WITHOUT_PRAGMA_ONCE' and '#pragma once'\n",
3072	iPragmaOnce + 3);
3073	rc = ScmMatchWords(pchLine, cchLine, s_aEndif, RT_ELEMENTS(s_aEndif),
3074	NULL /poffNext/, NULL /paIdentifiers/, RTErrInfoInitStatic(&ErrInfo));
3075	if (RT_SUCCESS(rc))
3076	fRet \|= rc != VINF_SUCCESS;
3077	else
3078	return ScmError(pState, rc,
3079	"%u: Expected '#endif' to follow '#ifndef RT_WITHOUT_PRAGMA_ONCE' and '# pragma once'! %s (%.*s)\n",
3080	iPragmaOnce + 3, ErrInfo.Core.pszMsg, cchLine, pchLine);
3081	ScmVerbose(pState, 3, "Found pragma once\n");
3082	fRet \|= !pSettings->fPragmaOnce;
3083	}
3084	else
3085	{
3086	rc = ScmStreamSeekByLine(pIn, iPragmaOnce);
3087	if (RT_FAILURE(rc))
3088	return ScmError(pState, rc, "seek error\n");
3089	fRet \|= pSettings->fPragmaOnce;
3090	ScmVerbose(pState, 2, "Missing #pragma once\n");
3091	}
3092
3093	/*
3094	* Write the pragma once stuff.
3095	*/
3096	if (pSettings->fPragmaOnce)
3097	{
3098	ScmStreamPutLine(pOut, RT_STR_TUPLE("#ifndef RT_WITHOUT_PRAGMA_ONCE"), enmEol);
3099	ScmStreamPutLine(pOut, RT_STR_TUPLE("# pragma once"), enmEol);
3100	rc = ScmStreamPutLine(pOut, RT_STR_TUPLE("#endif"), enmEol);
3101	if (RT_FAILURE(rc))
3102	return false;
3103	}
3104
3105	/*
3106	* Copy the rest of the file and remove pragma once statements, while
3107	* looking for the last #endif in the file.
3108	*/
3109	size_t iEndIfIn = 0;
3110	size_t iEndIfOut = 0;
3111	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
3112	{
3113	if (cchLine > 2)
3114	{
3115	const char pchHash = (const char )memchr(pchLine, '#', cchLine);
3116	if ( pchHash
3117	&& isSpanOfBlanks(pchLine, pchHash - pchLine))
3118	{
3119	size_t off = pchHash - pchLine + 1;
3120	while (off < cchLine && RT_C_IS_BLANK(pchLine[off]))
3121	off++;
3122	/* #pragma once */
3123	if ( off + sizeof("pragma") - 1 <= cchLine
3124	&& !memcmp(&pchLine[off], RT_STR_TUPLE("pragma")))
3125	{
3126	rc = ScmMatchWords(pchLine, cchLine, s_aPragmaOnce, RT_ELEMENTS(s_aPragmaOnce),
3127	&offNext, NULL /paIdentifiers/, RTErrInfoInitStatic(&ErrInfo));
3128	if (RT_SUCCESS(rc))
3129	{
3130	fRet = true;
3131	continue;
3132	}
3133	}
3134	/* #endif */
3135	else if ( off + sizeof("endif") - 1 <= cchLine
3136	&& !memcmp(&pchLine[off], RT_STR_TUPLE("endif")))
3137	{
3138	iEndIfIn = ScmStreamTellLine(pIn) - 1;
3139	iEndIfOut = ScmStreamTellLine(pOut);
3140	}
3141	}
3142	}
3143
3144	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
3145	if (RT_FAILURE(rc))
3146	return false;
3147	}
3148
3149	/*
3150	* Check out the last endif, making sure it's well formed and make sure it has the
3151	* right kind of comment following it.
3152	*/
3153	if (pSettings->fFixHeaderGuardEndif)
3154	{
3155	if (iEndIfOut == 0)
3156	return ScmError(pState, VERR_PARSE_ERROR, "Expected '#endif' at the end of the file...\n");
3157	rc = ScmStreamSeekByLine(pIn, iEndIfIn);
3158	if (RT_FAILURE(rc))
3159	return false;
3160	rc = ScmStreamSeekByLine(pOut, iEndIfOut);
3161	if (RT_FAILURE(rc))
3162	return false;
3163
3164	pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol);
3165	if (!pchLine)
3166	return ScmError(pState, VERR_INTERNAL_ERROR, "ScmStreamGetLine failed re-reading #endif!\n");
3167
3168	char szTmp[64 + sizeof(szNormalized)];
3169	size_t cchTmp;
3170	if (pSettings->fEndifGuardComment)
3171	cchTmp = RTStrPrintf(szTmp, sizeof(szTmp), "#endif /* !%.s /", Guard.cch, Guard.psz);
3172	else
3173	cchTmp = RTStrPrintf(szTmp, sizeof(szTmp), "#endif"); /* lazy bird */
3174	fRet \|= cchTmp != cchLine \|\| memcmp(szTmp, pchLine, cchTmp) != 0;
3175	rc = ScmStreamPutLine(pOut, szTmp, cchTmp, enmEol);
3176	if (RT_FAILURE(rc))
3177	return false;
3178
3179	/* Copy out the remaining lines (assumes no #pragma once here). */
3180	while ((pchLine = ScmStreamGetLine(pIn, &cchLine, &enmEol)) != NULL)
3181	{
3182	rc = ScmStreamPutLine(pOut, pchLine, cchLine, enmEol);
3183	if (RT_FAILURE(rc))
3184	return false;
3185	}
3186	}
3187
3188	return fRet;
3189	}
3190
3191
3192	/**
3193	* Rewrite a C/C++ source or header file.
3194	*
3195	* @returns true if modifications were made, false if not.
3196	* @param pIn The input stream.
3197	* @param pOut The output stream.
3198	* @param pSettings The settings.
3199	*
3200	* @todo
3201	*
3202	* Ideas for C/C++:
3203	* - space after if, while, for, switch
3204	* - spaces in for (i=0;i<x;i++)
3205	* - complex conditional, bird style.
3206	* - remove unnecessary parentheses.
3207	* - sort defined RT_OS_*\|\| and RT_ARCH
3208	* - sizeof without parenthesis.
3209	* - defined without parenthesis.
3210	* - trailing spaces.
3211	* - parameter indentation.
3212	* - space after comma.
3213	* - while (x--); -> multi line + comment.
3214	* - else statement;
3215	* - space between function and left parenthesis.
3216	* - TODO, XXX, @todo cleanup.
3217	* - Space before/after '*'.
3218	* - ensure new line at end of file.
3219	* - Indentation of precompiler statements (#ifdef, #defines).
3220	* - space between functions.
3221	* - string.h -> iprt/string.h, stdarg.h -> iprt/stdarg.h, etc.
3222	*/
3223	bool rewrite_C_and_CPP(PSCMRWSTATE pState, PSCMSTREAM pIn, PSCMSTREAM pOut, PCSCMSETTINGSBASE pSettings)
3224	{
3225
3226	RT_NOREF4(pState, pIn, pOut, pSettings);
3227	return false;
3228	}
3229

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source: vbox/trunk/src/bldprogs/scmrw.cpp@ 76572

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