diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp index f14d7d5c37..23efb52596 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp @@ -2434,7 +2434,7 @@ unsigned int CPDF_SyntaxParser::ReadEOLMarkers(FX_FILESIZE pos) { unsigned char byte1 = 0; unsigned char byte2 = 0; GetCharAt(pos, byte1); - GetCharAt(pos+1, byte2); + GetCharAt(pos + 1, byte2); unsigned int markers = 0; if (byte1 == '\r' && byte2 == '\n') { markers = 2; @@ -2454,7 +2454,7 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, ((CPDF_Reference*)pLenObj)->GetRefObjNum() != objnum))) { len = pLenObj->GetInteger(); } - //Check whether end of line markers follow the keyword 'stream'. + // Check whether end of line markers follow the keyword 'stream'. unsigned int numMarkers = ReadEOLMarkers(m_Pos); m_Pos += numMarkers; FX_FILESIZE streamStartPos = m_Pos; @@ -2463,7 +2463,8 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, } const unsigned int ENDSTREAM_LEN = sizeof("endstream") - 1; const unsigned int ENDOBJ_LEN = sizeof("endobj") - 1; - CPDF_CryptoHandler* pCryptoHandler = objnum == (FX_DWORD)m_MetadataObjnum ? nullptr : m_pCryptoHandler; + CPDF_CryptoHandler* pCryptoHandler = + objnum == (FX_DWORD)m_MetadataObjnum ? nullptr : m_pCryptoHandler; if (!pCryptoHandler) { FX_BOOL bSearchForKeyword = TRUE; unsigned int prevMarkers = 0; @@ -2483,27 +2484,28 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, } } if (bSearchForKeyword) { - //If len is not available, len needs to be calculated - //by searching the keywords "endstream" or "endobj". + // If len is not available, len needs to be calculated + // by searching the keywords "endstream" or "endobj". m_Pos = streamStartPos; FX_FILESIZE endStreamOffset = 0; while (endStreamOffset >= 0) { endStreamOffset = FindTag(FX_BSTRC("endstream"), 0); if (endStreamOffset < 0) { - //Can't find any "endstream". + // Can't find any "endstream". break; } prevMarkers = ReadEOLMarkers(streamStartPos + endStreamOffset - 1); - nextMarkers = ReadEOLMarkers(streamStartPos + endStreamOffset + ENDSTREAM_LEN); + nextMarkers = + ReadEOLMarkers(streamStartPos + endStreamOffset + ENDSTREAM_LEN); if (prevMarkers != 0 && nextMarkers != 0) { - //Stop searching when the keyword "endstream" is found. + // Stop searching when the keyword "endstream" is found. break; } else { unsigned char ch = 0x00; GetCharAt(streamStartPos + endStreamOffset + ENDSTREAM_LEN, ch); if (ch == 0x09 || ch == 0x20) { //"endstream" is treated as a keyword - //when it is followed by a tab or whitespace + // when it is followed by a tab or whitespace break; } } @@ -2514,26 +2516,27 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, while (endObjOffset >= 0) { endObjOffset = FindTag(FX_BSTRC("endobj"), 0); if (endObjOffset < 0) { - //Can't find any "endobj". + // Can't find any "endobj". break; } prevMarkers = ReadEOLMarkers(streamStartPos + endObjOffset - 1); - nextMarkers = ReadEOLMarkers(streamStartPos + endObjOffset + ENDOBJ_LEN); + nextMarkers = + ReadEOLMarkers(streamStartPos + endObjOffset + ENDOBJ_LEN); if (prevMarkers != 0 && nextMarkers != 0) { - //Stop searching when the keyword "endobj" is found. + // Stop searching when the keyword "endobj" is found. break; } m_Pos += ENDOBJ_LEN; } if (endStreamOffset < 0 && endObjOffset < 0) { - //Can't find "endstream" or "endobj". + // Can't find "endstream" or "endobj". return nullptr; } if (endStreamOffset < 0 && endObjOffset >= 0) { - //Correct the position of end stream. + // Correct the position of end stream. endStreamOffset = endObjOffset; } else if (endStreamOffset >= 0 && endObjOffset < 0) { - //Correct the position of end obj. + // Correct the position of end obj. endObjOffset = endStreamOffset; } else if (endStreamOffset > endObjOffset) { endStreamOffset = endObjOffset; @@ -2578,8 +2581,8 @@ CPDF_Stream* CPDF_SyntaxParser::ReadStream(CPDF_Dictionary* pDict, streamStartPos = m_Pos; GetNextWord(); numMarkers = ReadEOLMarkers(m_Pos); - if (m_WordSize == ENDOBJ_LEN && numMarkers != 0 && - FXSYS_memcmp(m_WordBuffer, "endobj", ENDOBJ_LEN) == 0) { + if (m_WordSize == ENDOBJ_LEN && numMarkers != 0 && + FXSYS_memcmp(m_WordBuffer, "endobj", ENDOBJ_LEN) == 0) { m_Pos = streamStartPos; } return pStream; |