| 1 | /* $Id: scmstream.h 40528 2012-03-19 11:04:34Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT Testcase / Tool - Source Code Massager Stream Code.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2012 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___scmstream_h___
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| 19 | #define ___scmstream_h___
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| 20 |
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| 21 | #include <iprt/types.h>
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| 22 |
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| 23 | RT_C_DECLS_BEGIN
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| 24 |
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| 25 | /** End of line marker type. */
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| 26 | typedef enum SCMEOL
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| 27 | {
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| 28 | SCMEOL_NONE = 0,
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| 29 | SCMEOL_LF = 1,
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| 30 | SCMEOL_CRLF = 2
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| 31 | } SCMEOL;
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| 32 | /** Pointer to an end of line marker type. */
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| 33 | typedef SCMEOL *PSCMEOL;
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| 34 |
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| 35 | /**
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| 36 | * Line record.
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| 37 | */
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| 38 | typedef struct SCMSTREAMLINE
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| 39 | {
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| 40 | /** The offset of the line. */
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| 41 | size_t off;
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| 42 | /** The line length, excluding the LF character.
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| 43 | * @todo This could be derived from the offset of the next line if that wasn't
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| 44 | * so tedious. */
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| 45 | size_t cch;
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| 46 | /** The end of line marker type. */
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| 47 | SCMEOL enmEol;
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| 48 | } SCMSTREAMLINE;
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| 49 | /** Pointer to a line record. */
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| 50 | typedef SCMSTREAMLINE *PSCMSTREAMLINE;
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| 51 |
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| 52 | /**
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| 53 | * Source code massager stream.
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| 54 | */
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| 55 | typedef struct SCMSTREAM
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| 56 | {
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| 57 | /** Pointer to the file memory. */
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| 58 | char *pch;
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| 59 | /** The current stream position. */
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| 60 | size_t off;
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| 61 | /** The current stream size. */
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| 62 | size_t cb;
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| 63 | /** The size of the memory pb points to. */
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| 64 | size_t cbAllocated;
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| 65 |
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| 66 | /** Line records. */
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| 67 | PSCMSTREAMLINE paLines;
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| 68 | /** The current line. */
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| 69 | size_t iLine;
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| 70 | /** The current stream size given in lines. */
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| 71 | size_t cLines;
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| 72 | /** The sizeof the the memory backing paLines. */
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| 73 | size_t cLinesAllocated;
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| 74 |
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| 75 | /** Set if write-only, clear if read-only. */
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| 76 | bool fWriteOrRead;
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| 77 | /** Set if the memory pb points to is from RTFileReadAll. */
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| 78 | bool fFileMemory;
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| 79 | /** Set if fully broken into lines. */
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| 80 | bool fFullyLineated;
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| 81 |
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| 82 | /** Stream status code (IPRT). */
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| 83 | int rc;
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| 84 | } SCMSTREAM;
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| 85 | /** Pointer to a SCM stream. */
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| 86 | typedef SCMSTREAM *PSCMSTREAM;
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| 87 | /** Pointer to a const SCM stream. */
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| 88 | typedef SCMSTREAM const *PCSCMSTREAM;
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| 89 |
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| 90 |
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| 91 | int ScmStreamInitForReading(PSCMSTREAM pStream, const char *pszFilename);
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| 92 | int ScmStreamInitForWriting(PSCMSTREAM pStream, PCSCMSTREAM pRelatedStream);
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| 93 | void ScmStreamDelete(PSCMSTREAM pStream);
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| 94 | int ScmStreamGetStatus(PCSCMSTREAM pStream);
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| 95 | void ScmStreamRewindForReading(PSCMSTREAM pStream);
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| 96 | void ScmStreamRewindForWriting(PSCMSTREAM pStream);
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| 97 | bool ScmStreamIsText(PSCMSTREAM pStream);
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| 98 | int ScmStreamCheckItegrity(PSCMSTREAM pStream);
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| 99 | int ScmStreamWriteToFile(PSCMSTREAM pStream, const char *pszFilenameFmt, ...);
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| 100 | size_t ScmStreamTell(PSCMSTREAM pStream);
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| 101 | size_t ScmStreamTellLine(PSCMSTREAM pStream);
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| 102 | size_t ScmStreamSize(PSCMSTREAM pStream);
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| 103 | size_t ScmStreamCountLines(PSCMSTREAM pStream);
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| 104 | int ScmStreamSeekAbsolute(PSCMSTREAM pStream, size_t offAbsolute);
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| 105 | int ScmStreamSeekRelative(PSCMSTREAM pStream, ssize_t offRelative);
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| 106 | int ScmStreamSeekByLine(PSCMSTREAM pStream, size_t iLine);
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| 107 | const char *ScmStreamGetLineByNo(PSCMSTREAM pStream, size_t iLine, size_t *pcchLine, PSCMEOL penmEol);
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| 108 | const char *ScmStreamGetLine(PSCMSTREAM pStream, size_t *pcchLine, PSCMEOL penmEol);
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| 109 | int ScmStreamRead(PSCMSTREAM pStream, void *pvBuf, size_t cbToRead);
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| 110 | bool ScmStreamIsWhiteLine(PSCMSTREAM pStream, size_t iLine);
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| 111 | SCMEOL ScmStreamGetEol(PSCMSTREAM pStream);
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| 112 | SCMEOL ScmStreamGetEolByLine(PSCMSTREAM pStream, size_t iLine);
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| 113 | int ScmStreamPutLine(PSCMSTREAM pStream, const char *pchLine, size_t cchLine, SCMEOL enmEol);
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| 114 | int ScmStreamWrite(PSCMSTREAM pStream, const char *pchBuf, size_t cchBuf);
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| 115 | int ScmStreamPutCh(PSCMSTREAM pStream, char ch);
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| 116 | int ScmStreamCopyLines(PSCMSTREAM pDst, PSCMSTREAM pSrc, size_t cLines);
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| 117 |
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| 118 | RT_C_DECLS_END
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| 119 |
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| 120 | #endif
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| 121 |
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