strformatrt.cpp@ 1703

Last change on this file since 1703 was 129, checked in by vboxsync, 18 years ago
Generic Uuid. Corrected Gen.u16TimeMin to Gen.u16TimeMid.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 34.1 KB

Line
1	/* $Id: strformatrt.cpp 129 2007-01-18 00:07:02Z vboxsync $ */
2	/** @file
3	* InnoTek Portable Runtime - IPRT String Formatter Extensions.
4	*/
5
6	/*
7	* Copyright (C) 2006 InnoTek Systemberatung GmbH
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 as published by the Free Software Foundation,
13	* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
14	* distribution. VirtualBox OSE is distributed in the hope that it will
15	* be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* If you received this file as part of a commercial VirtualBox
18	* distribution, then only the terms of your commercial VirtualBox
19	* license agreement apply instead of the previous paragraph.
20	*/
21
22	/** @page pg_rt_str_format_rt The IPRT String Format Extensions
23	*
24	* The string formatter supports most of the non-float format types and flags.
25	* See RTStrFormatV() for the full tail there. In addition we've added a number
26	* of iprt specific format types for the iprt typedefs and other useful stuff.
27	* Note that several of these are similar to \%p and doesn't care much if you try
28	* add formating flags/width/precision.
29	*
30	*
31	* Group 1, the basic runtime typedefs (excluding those which obviously are pointer).
32	* - \%RTbool - Takes a bool value and prints 'true', 'false', or '!%d!'.
33	* - \%RTfile - Takes a #RTFILE value.
34	* - \%RTfmode - Takes a #RTFMODE value.
35	* - \%RTfoff - Takes a #RTFOFF value.
36	* - \%RTfp16 - Takes a #RTFAR16 value.
37	* - \%RTfp32 - Takes a #RTFAR32 value.
38	* - \%RTfp64 - Takes a #RTFAR64 value.
39	* - \%RTgid - Takes a #RTGID value.
40	* - \%RTino - Takes a #RTINODE value.
41	* - \%RTint - Takes a #RTINT value.
42	* - \%RTiop - Takes a #RTIOPORT value.
43	* - \%RTldrm - Takes a #RTLDRMOD value.
44	* - \%RTnthrd - Takes a #RTNATIVETHREAD value.
45	* - \%RTproc - Takes a #RTPROCESS value.
46	* - \%RTptr - Takes a #RTINTPTR or #RTUINTPTR value (but not void *).
47	* - \%RTreg - Takes a #RTUINTREG value.
48	* - \%RTsel - Takes a #RTSEL value.
49	* - \%RTsem - Takes a #RTSEMEVENT, #RTSEMEVENTMULTI, #RTSEMMUTEX, #RTSEMFASTMUTEX, or #RTSEMRW value.
50	* - \%RTsock - Takes a #RTSOCKET value.
51	* - \%RTthrd - Takes a #RTTHREAD value.
52	* - \%RTuid - Takes a #RTUID value.
53	* - \%RTuint - Takes a #RTUINT value.
54	* - \%RTunicp - Takes a #RTUNICP value.
55	* - \%RTutf16 - Takes a #RTUTF16 value.
56	* - \%RTuuid - Takes a #PCRTUUID and will print the UUID as a string.
57	* - \%RTxuint - Takes a #RTUINT or #RTINT value, formatting it as hex.
58	* - \%RGi - Takes a #RTGCINT value.
59	* - \%RGp - Takes a #RTGCPHYS value.
60	* - \%RGr - Takes a #RTGCUINTREG value.
61	* - \%RGu - Takes a #RTGCUINT value.
62	* - \%RGv - Takes a #RTGCPTR, #RTGCINTPTR or #RTGCUINTPTR value.
63	* - \%RGx - Takes a #RTGCUINT or #RTGCINT value, formatting it as hex.
64	* - \%RHi - Takes a #RTHCINT value.
65	* - \%RHp - Takes a #RTHCPHYS value.
66	* - \%RHr - Takes a #RTHCUINTREG value.
67	* - \%RHu - Takes a #RTHCUINT value.
68	* - \%RHv - Takes a #RTHCPTR, #RTHCINTPTR or #RTHCUINTPTR value.
69	* - \%RHx - Takes a #RTHCUINT or #RTHCINT value, formatting it as hex.
70	*
71	*
72	* Group 2, the generic integer types which are prefered over relying on what
73	* bit-count a 'long', 'short', or 'long long' has on a platform. This are
74	* highly prefered for the [u]intXX_t kind of types.
75	* - \%RI[8\|16\|32\|64] - Signed integer value of the specifed bit count.
76	* - \%RU[8\|16\|32\|64] - Unsigned integer value of the specifed bit count.
77	* - \%RX[8\|16\|32\|64] - Hexadecimal integer value of the specifed bit count.
78	*
79	*
80	* Group 3, hex dumpers and other complex stuff which requires more than simple formatting.
81	* - \%Rhxd - Takes a pointer to the memory which is to be dumped in typical
82	* hex format. Use the width to specify the length, and the precision to
83	* set the number of bytes per line. Default width and precision is 16.
84	* - \%Rhxs - Takes a pointer to the memory to be displayed as a hex string,
85	* i.e. a series of space separated bytes formatted as two digit hex value.
86	* Use the width to specify the length. Default length is 16 bytes.
87	* - \%Rrc - Takes an integer iprt status code as argument. Will insert the
88	* status code define corresponding to the iprt status code.
89	* - \%Rrs - Takes an integer iprt status code as argument. Will insert the
90	* short description of the specified status code.
91	* - \%Rrf - Takes an integer iprt status code as argument. Will insert the
92	* full description of the specified status code.
93	* - \%Rra - Takes an integer iprt status code as argument. Will insert the
94	* status code define + full description.
95	* - \%Rt - Current thread (RTThreadSelf()), no arguments.
96	*
97	* - \%Rwc - Takes a long Windows error code as argument. Will insert the status
98	* code define corresponding to the Windows error code.
99	* - \%Rwf - Takes a long Windows error code as argument. Will insert the
100	* full description of the specified status code.
101	* - \%Rwa - Takes a long Windows error code as argument. Will insert the
102	* error code define + full description.
103	*
104	* On other platforms, \%Rw? simply prints the argument in a form of 0xXXXXXXXX.
105	*
106	* @todo (r=dmik) Add a cross-platform \%Rcomr? that will fall back to \%Rw? on
107	* Win32 platforms and will interpret XPCOM result codes on all other.
108	*
109	*
110	* Group 4, structure dumpers.
111	*
112	* - \%RDtimespec - Takes a PCRTTIMESPEC.
113	*
114	*
115	*/
116
117	/*******************************************************************************
118	* Header Files *
119	*******************************************************************************/
120	#define LOG_GROUP RTLOGGROUP_STRING
121	#include <iprt/log.h>
122	#include <iprt/string.h>
123	#include <iprt/assert.h>
124	#include <iprt/string.h>
125	#include <iprt/stdarg.h>
126	#ifdef IN_RING3
127	# include <iprt/thread.h>
128	# include <iprt/err.h>
129	#endif
130	#include <iprt/time.h>
131	#include "internal/string.h"
132
133
134
135	/**
136	* Callback to format iprt formatting extentions.
137	* See @ref pg_rt_str_format_rt for a reference on the format types.
138	*
139	* @returns The number of bytes formatted.
140	* @param pfnOutput Pointer to output function.
141	* @param pvArgOutput Argument for the output function.
142	* @param ppszFormat Pointer to the format string pointer. Advance this till the char
143	* after the format specifier.
144	* @param pArgs Pointer to the argument list. Use this to fetch the arguments.
145	* @param cchWidth Format Width. -1 if not specified.
146	* @param cchPrecision Format Precision. -1 if not specified.
147	* @param fFlags Flags (RTSTR_NTFS_*).
148	* @param chArgSize The argument size specifier, 'l' or 'L'.
149	*/
150	size_t rtstrFormatRt(PFNRTSTROUTPUT pfnOutput, void pvArgOutput, const char ppszFormat, va_list pArgs, int cchWidth, int cchPrecision, unsigned fFlags, char chArgSize)
151	{
152	const char pszFormatOrg = ppszFormat;
153	char ch = (ppszFormat)++;
154	if (ch == 'R')
155	{
156	ch = (ppszFormat)++;
157	switch (ch)
158	{
159	/*
160	* Groups 1 and 2.
161	*/
162	case 'T':
163	case 'G':
164	case 'H':
165	case 'I':
166	case 'X':
167	case 'U':
168	{
169	/*
170	* Interpret the type.
171	*/
172	typedef enum { RTSF_INT, RTSF_INTW, RTSF_FP16, RTSF_FP32, RTSF_FP64, RTSF_UUID, RTSF_BOOL } RTSF;
173	static const struct
174	{
175	uint8_t cch; /*< the length of the string. /
176	char sz[10]; /*< the part following 'R'. /
177	uint8_t cb; /*< the size of the type. /
178	uint8_t u8Base; /*< the size of the type. /
179	RTSF enmFormat; /*< The way to format it. /
180	uint16_t fFlags; /*< additional RTSTR_F_ flags. */
181	}
182	/** Sorted array of types, looked up using binary search! */
183	s_aTypes[] =
184	{
185	#define STRMEM(str) sizeof(str) - 1, str
186	{ STRMEM("Gi"), sizeof(RTGCINT), 10, RTSF_INT, RTSTR_F_VALSIGNED },
187	{ STRMEM("Gp"), sizeof(RTGCPHYS), 16, RTSF_INTW, 0 },
188	{ STRMEM("Gr"), sizeof(RTGCUINTREG), 16, RTSF_INTW, 0 },
189	{ STRMEM("Gu"), sizeof(RTGCUINT), 10, RTSF_INT, 0 },
190	{ STRMEM("Gv"), sizeof(RTGCPTR), 16, RTSF_INTW, 0 },
191	{ STRMEM("Gx"), sizeof(RTGCUINT), 16, RTSF_INT, 0 },
192	{ STRMEM("Hi"), sizeof(RTHCINT), 10, RTSF_INT, RTSTR_F_VALSIGNED },
193	{ STRMEM("Hp"), sizeof(RTHCPHYS), 16, RTSF_INTW, 0 },
194	{ STRMEM("Hr"), sizeof(RTGCUINTREG), 16, RTSF_INTW, 0 },
195	{ STRMEM("Hu"), sizeof(RTHCUINT), 10, RTSF_INT, 0 },
196	{ STRMEM("Hv"), sizeof(RTHCPTR), 16, RTSF_INTW, 0 },
197	{ STRMEM("Hx"), sizeof(RTHCUINT), 16, RTSF_INT, 0 },
198	{ STRMEM("I16"), sizeof(int16_t), 10, RTSF_INT, RTSTR_F_VALSIGNED },
199	{ STRMEM("I32"), sizeof(int32_t), 10, RTSF_INT, RTSTR_F_VALSIGNED },
200	{ STRMEM("I64"), sizeof(int64_t), 10, RTSF_INT, RTSTR_F_VALSIGNED },
201	{ STRMEM("I8"), sizeof(int8_t), 10, RTSF_INT, RTSTR_F_VALSIGNED },
202	{ STRMEM("Tbool"), sizeof(bool), 10, RTSF_BOOL, 0 },
203	{ STRMEM("Tfile"), sizeof(RTFILE), 10, RTSF_INT, 0 },
204	{ STRMEM("Tfmode"), sizeof(RTFMODE), 16, RTSF_INTW, 0 },
205	{ STRMEM("Tfoff"), sizeof(RTFOFF), 10, RTSF_INT, RTSTR_F_VALSIGNED },
206	{ STRMEM("Tfp16"), sizeof(RTFAR16), 16, RTSF_FP16, RTSTR_F_ZEROPAD },
207	{ STRMEM("Tfp32"), sizeof(RTFAR32), 16, RTSF_FP32, RTSTR_F_ZEROPAD },
208	{ STRMEM("Tfp64"), sizeof(RTFAR64), 16, RTSF_FP64, RTSTR_F_ZEROPAD },
209	{ STRMEM("Tgid"), sizeof(RTGID), 10, RTSF_INT, RTSTR_F_VALSIGNED },
210	{ STRMEM("Tino"), sizeof(RTINODE), 16, RTSF_INTW, 0 },
211	{ STRMEM("Tint"), sizeof(RTINT), 10, RTSF_INT, RTSTR_F_VALSIGNED },
212	{ STRMEM("Tiop"), sizeof(RTIOPORT), 16, RTSF_INTW, 0 },
213	{ STRMEM("Tldrm"), sizeof(RTLDRMOD), 16, RTSF_INTW, 0 },
214	{ STRMEM("Tnthrd"), sizeof(RTNATIVETHREAD), 16, RTSF_INTW, 0 },
215	{ STRMEM("Tproc"), sizeof(RTPROCESS), 16, RTSF_INTW, 0 },
216	{ STRMEM("Tptr"), sizeof(RTUINTPTR), 16, RTSF_INTW, 0 },
217	{ STRMEM("Treg"), sizeof(RTUINTREG), 16, RTSF_INTW, 0 },
218	{ STRMEM("Tsel"), sizeof(RTSEL), 16, RTSF_INTW, 0 },
219	{ STRMEM("Tsem"), sizeof(RTSEMEVENT), 16, RTSF_INTW, 0 },
220	{ STRMEM("Tsock"), sizeof(RTSOCKET), 10, RTSF_INT, 0 },
221	{ STRMEM("Tthrd"), sizeof(RTTHREAD), 16, RTSF_INTW, 0 },
222	{ STRMEM("Tuid"), sizeof(RTUID), 10, RTSF_INT, RTSTR_F_VALSIGNED },
223	{ STRMEM("Tuint"), sizeof(RTUINT), 10, RTSF_INT, 0 },
224	{ STRMEM("Tunicp"), sizeof(RTUNICP), 16, RTSF_INTW, RTSTR_F_ZEROPAD },
225	{ STRMEM("Tutf16"), sizeof(RTUTF16), 16, RTSF_INTW, RTSTR_F_ZEROPAD },
226	{ STRMEM("Tuuid"), sizeof(PCRTUUID), 16, RTSF_UUID, 0 },
227	{ STRMEM("Txint"), sizeof(RTUINT), 16, RTSF_INT, 0 },
228	{ STRMEM("U16"), sizeof(uint16_t), 10, RTSF_INT, 0 },
229	{ STRMEM("U32"), sizeof(uint32_t), 10, RTSF_INT, 0 },
230	{ STRMEM("U64"), sizeof(uint64_t), 10, RTSF_INT, 0 },
231	{ STRMEM("U8"), sizeof(uint8_t), 10, RTSF_INT, 0 },
232	{ STRMEM("X16"), sizeof(uint16_t), 16, RTSF_INT, 0 },
233	{ STRMEM("X32"), sizeof(uint32_t), 16, RTSF_INT, 0 },
234	{ STRMEM("X64"), sizeof(uint64_t), 16, RTSF_INT, 0 },
235	{ STRMEM("X8"), sizeof(uint8_t), 16, RTSF_INT, 0 },
236	#undef STRMEM
237	};
238	AssertMsg(!chArgSize, ("Not argument size '%c' for RT types! '%.10s'\n", chArgSize, pszFormatOrg));
239
240	/*
241	* Lookup the type - binary search.
242	*/
243	const char pszType = ppszFormat - 1;
244	int iStart = 0;
245	int iEnd = ELEMENTS(s_aTypes) - 1;
246	int i = ELEMENTS(s_aTypes) / 2;
247	for (;;)
248	{
249	int iDiff = strncmp(pszType, s_aTypes[i].sz, s_aTypes[i].cch);
250	if (!iDiff)
251	break;
252	if (iEnd == iStart)
253	{
254	AssertMsgFailed(("Invalid format type '%.10s'!\n", pszFormatOrg));
255	return 0;
256	}
257	if (iDiff < 0)
258	iEnd = i - 1;
259	else
260	iStart = i + 1;
261	if (iEnd < iStart)
262	{
263	AssertMsgFailed(("Invalid format type '%.10s'!\n", pszFormatOrg));
264	return 0;
265	}
266	i = iStart + (iEnd - iStart) / 2;
267	}
268
269	/*
270	* Advance the format string and merge flags.
271	*/
272	*ppszFormat += s_aTypes[i].cch - 1;
273	fFlags \|= s_aTypes[i].fFlags;
274
275	/*
276	* Fetch the argument.
277	* It's important that a signed value gets sign-extended up to 64-bit.
278	*/
279	union
280	{
281	uint8_t u8;
282	uint16_t u16;
283	uint32_t u32;
284	uint64_t u64;
285	int8_t i8;
286	int16_t i16;
287	int32_t i32;
288	int64_t i64;
289	RTFAR16 fp16;
290	RTFAR32 fp32;
291	RTFAR64 fp64;
292	bool fBool;
293	PCRTUUID pUuid;
294	} u;
295	u.u64 = 0;
296	if (fFlags & RTSTR_F_VALSIGNED)
297	{
298	switch (s_aTypes[i].cb)
299	{
300	case sizeof(int8_t):
301	u.i64 = va_arg(pArgs, /int8_t*/int);
302	fFlags \|= RTSTR_F_8BIT;
303	break;
304	case sizeof(int16_t):
305	u.i64 = va_arg(pArgs, /int16_t*/int);
306	fFlags \|= RTSTR_F_16BIT;
307	break;
308	case sizeof(int32_t):
309	u.i64 = va_arg(*pArgs, int32_t);
310	fFlags \|= RTSTR_F_32BIT;
311	break;
312	case sizeof(int64_t):
313	u.i64 = va_arg(*pArgs, int64_t);
314	fFlags \|= RTSTR_F_64BIT;
315	break;
316	default:
317	AssertMsgFailed(("Invalid format error, size %d'!\n", s_aTypes[i].cb));
318	break;
319	}
320	}
321	else
322	{
323	switch (s_aTypes[i].cb)
324	{
325	case sizeof(uint8_t):
326	u.u8 = va_arg(pArgs, /uint8_t*/unsigned);
327	fFlags \|= RTSTR_F_8BIT;
328	break;
329	case sizeof(uint16_t):
330	u.u16 = va_arg(pArgs, /uint16_t*/unsigned);
331	fFlags \|= RTSTR_F_16BIT;
332	break;
333	case sizeof(uint32_t):
334	u.u32 = va_arg(*pArgs, uint32_t);
335	fFlags \|= RTSTR_F_32BIT;
336	break;
337	case sizeof(uint64_t):
338	u.u64 = va_arg(*pArgs, uint64_t);
339	fFlags \|= RTSTR_F_64BIT;
340	break;
341	case sizeof(RTFAR32):
342	u.fp32 = va_arg(*pArgs, RTFAR32);
343	break;
344	case sizeof(RTFAR64):
345	u.fp64 = va_arg(*pArgs, RTFAR64);
346	break;
347	default:
348	AssertMsgFailed(("Invalid format error, size %d'!\n", s_aTypes[i].cb));
349	break;
350	}
351	}
352
353	/*
354	* Format the output.
355	*/
356	char szBuf[80];
357	unsigned cch;
358	switch (s_aTypes[i].enmFormat)
359	{
360	case RTSF_INT:
361	{
362	cch = RTStrFormatNumber(szBuf, u.u64, s_aTypes[i].u8Base, cchWidth, cchPrecision, fFlags);
363	break;
364	}
365
366	/* hex which defaults to max width. */
367	case RTSF_INTW:
368	{
369	Assert(s_aTypes[i].u8Base == 16);
370	if (cchWidth < 0)
371	{
372	cchWidth = s_aTypes[i].cb * 2 + (fFlags & RTSTR_F_SPECIAL ? 2 : 0);
373	fFlags \|= RTSTR_F_ZEROPAD;
374	}
375	cch = RTStrFormatNumber(szBuf, u.u64, s_aTypes[i].u8Base, cchWidth, cchPrecision, fFlags);
376	break;
377	}
378
379	case RTSF_FP16:
380	{
381	fFlags &= ~(RTSTR_F_VALSIGNED \| RTSTR_F_BIT_MASK \| RTSTR_F_WIDTH \| RTSTR_F_PRECISION);
382	cch = RTStrFormatNumber(&szBuf[0], u.fp16.sel, 16, 4, -1, fFlags \| RTSTR_F_16BIT);
383	Assert(cch == 4);
384	szBuf[4] = ':';
385	cch = RTStrFormatNumber(&szBuf[5], u.fp16.off, 16, 4, -1, fFlags \| RTSTR_F_16BIT);
386	Assert(cch == 4);
387	cch = 4 + 1 + 4;
388	break;
389	}
390	case RTSF_FP32:
391	{
392	fFlags &= ~(RTSTR_F_VALSIGNED \| RTSTR_F_BIT_MASK \| RTSTR_F_WIDTH \| RTSTR_F_PRECISION);
393	cch = RTStrFormatNumber(&szBuf[0], u.fp32.sel, 16, 4, -1, fFlags \| RTSTR_F_16BIT);
394	Assert(cch == 4);
395	szBuf[4] = ':';
396	cch = RTStrFormatNumber(&szBuf[5], u.fp32.off, 16, 8, -1, fFlags \| RTSTR_F_32BIT);
397	Assert(cch == 8);
398	cch = 4 + 1 + 8;
399	break;
400	}
401	case RTSF_FP64:
402	{
403	fFlags &= ~(RTSTR_F_VALSIGNED \| RTSTR_F_BIT_MASK \| RTSTR_F_WIDTH \| RTSTR_F_PRECISION);
404	cch = RTStrFormatNumber(&szBuf[0], u.fp64.sel, 16, 4, -1, fFlags \| RTSTR_F_16BIT);
405	Assert(cch == 4);
406	szBuf[4] = ':';
407	cch = RTStrFormatNumber(&szBuf[5], u.fp64.off, 16, 16, -1, fFlags \| RTSTR_F_64BIT);
408	Assert(cch == 16);
409	cch = 4 + 1 + 16;
410	break;
411	}
412
413	case RTSF_UUID:
414	{
415	if (VALID_PTR(u.pUuid))
416	{
417	/* cannot call RTUuidToStr because of GC/R0. */
418	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
419	"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
420	u.pUuid->Gen.u32TimeLow,
421	u.pUuid->Gen.u16TimeMid,
422	u.pUuid->Gen.u16TimeHiAndVersion,
423	u.pUuid->Gen.u16ClockSeq & 0xff,
424	u.pUuid->Gen.u16ClockSeq >> 8,
425	u.pUuid->Gen.au8Node[0],
426	u.pUuid->Gen.au8Node[1],
427	u.pUuid->Gen.au8Node[2],
428	u.pUuid->Gen.au8Node[3],
429	u.pUuid->Gen.au8Node[4],
430	u.pUuid->Gen.au8Node[5]);
431	}
432
433	static const char szNull[] = "<NULL>";
434	return pfnOutput(pvArgOutput, szNull, sizeof(szNull) - 1);
435	}
436
437	case RTSF_BOOL:
438	{
439	static const char szTrue[] = "true ";
440	static const char szFalse[] = "false";
441	if (u.u64 == 1)
442	return pfnOutput(pvArgOutput, szTrue, sizeof(szTrue) - 1);
443	if (u.u64 == 0)
444	return pfnOutput(pvArgOutput, szFalse, sizeof(szFalse) - 1);
445	/* invalid boolean value */
446	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "!%lld!", u.u64);
447	}
448
449	default:
450	AssertMsgFailed(("Internal error %d\n", s_aTypes[i].enmFormat));
451	return 0;
452	}
453
454	/*
455	* Finally, output the formatted string and return.
456	*/
457	return pfnOutput(pvArgOutput, szBuf, cch);
458	}
459
460
461	/* Group 3 */
462
463	/*
464	* hex dumping.
465	*/
466	case 'h':
467	{
468	char ch = (ppszFormat)++;
469	switch (ch)
470	{
471	/*
472	* Hex stuff.
473	*/
474	case 'x':
475	{
476	uint8_t pu8 = va_arg(pArgs, uint8_t *);
477	if (cchWidth <= 0)
478	cchWidth = 16;
479	if (pu8)
480	{
481	ch = (ppszFormat)++;
482	switch (ch)
483	{
484	/*
485	* Regular hex dump.
486	*/
487	case 'd':
488	{
489	if (cchPrecision <= 0)
490	cchPrecision = 16;
491
492	size_t cch = 0;
493	int off = 0;
494	while (off < cchWidth)
495	{
496	int i;
497	cch += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%s%0x %04x:", off ? "\n" : "", sizeof(pu8) 2, (uintptr_t)pu8, off);
498	for (i = 0; i < cchPrecision && off + i < cchWidth ; i++)
499	cch += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0,
500	off + i < cchWidth ? !(i & 7) && i ? "-%02x" : " %02x" : " ", pu8[i]);
501	while (i++ < cchPrecision)
502	cch += pfnOutput(pvArgOutput, " ", 3);
503
504	cch += pfnOutput(pvArgOutput, " ", 1);
505
506	for (int i = 0; i < cchPrecision && off + i < cchWidth; i++)
507	{
508	uint8_t u8 = pu8[i];
509	cch += pfnOutput(pvArgOutput, u8 < 127 && u8 >= 32 ? (const char *)&u8 : ".", 1);
510	}
511
512	/* next */
513	pu8 += cchPrecision;
514	off += cchPrecision;
515	}
516	return cch;
517	}
518
519	/*
520	* Hex string.
521	*/
522	case 's':
523	{
524	if (cchWidth-- > 0)
525	{
526	size_t cch = RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%02x", *pu8++);
527	for (; cchWidth > 0; cchWidth--, pu8++)
528	cch += RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, " %02x", *pu8);
529	return cch;
530	}
531	break;
532	}
533
534	default:
535	AssertMsgFailed(("Invalid status code format type '%.10s'!\n", ch, pszFormatOrg));
536	break;
537	}
538	}
539	else
540	return pfnOutput(pvArgOutput, "<null>", sizeof("<null>") - 1);
541	break;
542	}
543
544	default:
545	AssertMsgFailed(("Invalid status code format type '%.10s'!\n", ch, pszFormatOrg));
546	return 0;
547
548	}
549	break;
550	}
551
552	/*
553	* iprt status code: %Vrc, %Vrs, %Vrf, %Vra.
554	*/
555	case 'r':
556	{
557	int rc = va_arg(*pArgs, int);
558	char ch = (ppszFormat)++;
559	#ifdef IN_RING3 /* we don't want this anywhere else yet. */
560	PCRTSTATUSMSG pMsg = RTErrGet(rc);
561	switch (ch)
562	{
563	case 'c':
564	return pfnOutput(pvArgOutput, pMsg->pszDefine, strlen(pMsg->pszDefine));
565	case 's':
566	return pfnOutput(pvArgOutput, pMsg->pszMsgShort, strlen(pMsg->pszMsgShort));
567	case 'f':
568	return pfnOutput(pvArgOutput, pMsg->pszMsgFull, strlen(pMsg->pszMsgFull));
569	case 'a':
570	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%s (%d) - %s", pMsg->pszDefine, rc, pMsg->pszMsgFull);
571	default:
572	AssertMsgFailed(("Invalid status code format type '%.10s'!\n", pszFormatOrg));
573	return 0;
574	}
575	#else /* !IN_RING3 */
576	switch (ch)
577	{
578	case 'c':
579	case 's':
580	case 'f':
581	case 'a':
582	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%d", rc);
583	default:
584	AssertMsgFailed(("Invalid status code format type '%.10s'!\n", pszFormatOrg));
585	return 0;
586	}
587	#endif /* !IN_RING3 */
588	break;
589	}
590
591	#if defined(IN_RING3)
592	/*
593	* Windows status code: %Rwc, %Rwf, %Rwa
594	*/
595	case 'w':
596	{
597	long rc = va_arg(*pArgs, long);
598	char ch = (ppszFormat)++;
599	#if defined(__WIN__)
600	PCRTWINERRMSG pMsg = RTErrWinGet(rc);
601	#endif
602	switch (ch)
603	{
604	#if defined(__WIN__)
605	case 'c':
606	return pfnOutput(pvArgOutput, pMsg->pszDefine, strlen(pMsg->pszDefine));
607	case 'f':
608	return pfnOutput(pvArgOutput, pMsg->pszMsgFull,strlen(pMsg->pszMsgFull));
609	case 'a':
610	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "%s (0x%08X) - %s", pMsg->pszDefine, rc, pMsg->pszMsgFull);
611	#else
612	case 'c':
613	case 'f':
614	case 'a':
615	return RTStrFormat(pfnOutput, pvArgOutput, NULL, 0, "0x%08X", rc);
616	#endif
617	default:
618	AssertMsgFailed(("Invalid status code format type '%.10s'!\n", pszFormatOrg));
619	return 0;
620	}
621	break;
622	}
623	#endif /* IN_RING3 */
624
625	/*
626	* Group 4, structure dumpers.
627	*/
628	case 'D':
629	{
630	/*
631	* Interpret the type.
632	*/
633	typedef enum
634	{
635	RTST_TIMESPEC
636	} RTST;
637	/** Set if it's a pointer */
638	#define RTST_FLAGS_POINTER BIT(0)
639	static const struct
640	{
641	uint8_t cch; /*< the length of the string. /
642	char sz[16-2]; /*< the part following 'R'. /
643	uint8_t cb; /*< the size of the argument. /
644	uint8_t fFlags; /*< RTST_FLAGS_ */
645	RTST enmType; /*< The structure type. /
646	}
647	/** Sorted array of types, looked up using binary search! */
648	s_aTypes[] =
649	{
650	#define STRMEM(str) sizeof(str) - 1, str
651	{ STRMEM("timespec"), sizeof(PCRTTIMESPEC), RTST_FLAGS_POINTER, RTST_TIMESPEC},
652	#undef STRMEM
653	};
654
655	AssertMsg(!chArgSize, ("Not argument size '%c' for RT types! '%.10s'\n", chArgSize, pszFormatOrg));
656
657	/*
658	* Lookup the type - binary search.
659	*/
660	const char pszType = ppszFormat - 1;
661	int iStart = 0;
662	int iEnd = ELEMENTS(s_aTypes) - 1;
663	int i = ELEMENTS(s_aTypes) / 2;
664	for (;;)
665	{
666	int iDiff = strncmp(pszType, s_aTypes[i].sz, s_aTypes[i].cch);
667	if (!iDiff)
668	break;
669	if (iEnd == iStart)
670	{
671	AssertMsgFailed(("Invalid format type '%.10s'!\n", pszFormatOrg));
672	return 0;
673	}
674	if (iDiff < 0)
675	iEnd = i - 1;
676	else
677	iStart = i + 1;
678	if (iEnd < iStart)
679	{
680	AssertMsgFailed(("Invalid format type '%.10s'!\n", pszFormatOrg));
681	return 0;
682	}
683	i = iStart + (iEnd - iStart) / 2;
684	}
685	*ppszFormat += s_aTypes[i].cch - 1;
686
687	/*
688	* Fetch the argument.
689	*/
690	union
691	{
692	const void *pv;
693	uint64_t u64;
694	PCRTTIMESPEC pTimeSpec;
695	} u;
696	u.u64 = 0;
697	switch (s_aTypes[i].cb)
698	{
699	case sizeof(const void *):
700	u.pv = va_arg(pArgs, const void );
701	break;
702	default:
703	AssertMsgFailed(("Invalid format error, size %d'!\n", s_aTypes[i].cb));
704	break;
705	}
706
707	/*
708	* If it's a pointer, we'll check if it's valid before going on.
709	*/
710	if ((s_aTypes[i].fFlags & RTST_FLAGS_POINTER) && !VALID_PTR(u.pv))
711	return pfnOutput(pvArgOutput, "<null>", sizeof("<null>") - 1);
712
713	/*
714	* Format the output.
715	*/
716	switch (s_aTypes[i].enmType)
717	{
718	case RTST_TIMESPEC:
719	return RTStrFormat(pfnOutput, pvArgOutput, NULL, NULL, "%llu ns", RTTimeSpecGetNano(u.pTimeSpec));
720
721	default:
722	AssertMsgFailed(("Invalid/unhandled enmType=%d\n", s_aTypes[i].enmType));
723	break;
724	}
725	break;
726	}
727
728	/*
729	* Invalid/Unknown. Bitch about it.
730	*/
731	default:
732	AssertMsgFailed(("Invalid VBox format type '%.10s'!\n", pszFormatOrg));
733	break;
734	}
735	}
736	else
737	AssertMsgFailed(("Invalid VBox format type '%.10s'!\n", pszFormatOrg));
738
739	NOREF(pszFormatOrg);
740	return 0;
741	}
742
743

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source: vbox/trunk/src/VBox/Runtime/strformatrt.cpp@ 1703

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