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-rw-r--r--core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp239
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp210
-rw-r--r--core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp14
-rw-r--r--core/src/fpdfapi/fpdf_page/pageint.h2
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp4
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp15
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp12
7 files changed, 240 insertions, 256 deletions
diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index 2dc985413b..c1ef37dab6 100644
--- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -4,7 +4,9 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "editint.h"
+#include "core/src/fpdfapi/fpdf_edit/editint.h"
+
+#include <vector>
#include "core/include/fxcrt/fx_ext.h"
#include "core/include/fpdfapi/fpdf_serial.h"
@@ -13,6 +15,8 @@
#define PDF_OBJECTSTREAM_MAXLENGTH (256 * 1024)
#define PDF_XREFSTREAM_MAXSIZE 10000
+namespace {
+
int32_t PDF_CreatorAppendObject(const CPDF_Object* pObj,
CFX_FileBufferArchive* pFile,
FX_FILESIZE& offset) {
@@ -169,6 +173,7 @@ int32_t PDF_CreatorAppendObject(const CPDF_Object* pObj,
}
return 1;
}
+
int32_t PDF_CreatorWriteTrailer(CPDF_Document* pDocument,
CFX_FileBufferArchive* pFile,
CPDF_Array* pIDArray,
@@ -259,6 +264,7 @@ int32_t PDF_CreatorWriteTrailer(CPDF_Document* pDocument,
}
return offset;
}
+
int32_t PDF_CreatorWriteEncrypt(const CPDF_Dictionary* pEncryptDict,
FX_DWORD dwObjNum,
CFX_FileBufferArchive* pFile) {
@@ -284,25 +290,89 @@ int32_t PDF_CreatorWriteEncrypt(const CPDF_Dictionary* pEncryptDict,
offset += len + 6;
return offset;
}
-FX_BOOL PDF_GenerateFileID(FX_DWORD dwSeed1,
- FX_DWORD dwSeed2,
- FX_DWORD* pBuffer) {
- if (!pBuffer) {
- return FALSE;
- }
+
+std::vector<uint8_t> PDF_GenerateFileID(FX_DWORD dwSeed1, FX_DWORD dwSeed2) {
+ std::vector<uint8_t> buffer(sizeof(FX_DWORD) * 4);
+ FX_DWORD* pBuffer = reinterpret_cast<FX_DWORD*>(buffer.data());
void* pContext = FX_Random_MT_Start(dwSeed1);
- int32_t i = 0;
- for (i = 0; i < 2; i++) {
+ for (int i = 0; i < 2; ++i)
*pBuffer++ = FX_Random_MT_Generate(pContext);
- }
FX_Random_MT_Close(pContext);
pContext = FX_Random_MT_Start(dwSeed2);
- for (i = 0; i < 2; i++) {
+ for (int i = 0; i < 2; ++i)
*pBuffer++ = FX_Random_MT_Generate(pContext);
- }
FX_Random_MT_Close(pContext);
- return TRUE;
+ return buffer;
+}
+
+void AppendIndex0(CFX_ByteTextBuf& buffer, bool bFirstObject) {
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+ const uint8_t byte = bFirstObject ? 0xFF : 0;
+ buffer.AppendByte(byte);
+ buffer.AppendByte(byte);
+}
+
+void AppendIndex1(CFX_ByteTextBuf& buffer, FX_FILESIZE offset) {
+ buffer.AppendByte(1);
+ buffer.AppendByte(FX_GETBYTEOFFSET24(offset));
+ buffer.AppendByte(FX_GETBYTEOFFSET16(offset));
+ buffer.AppendByte(FX_GETBYTEOFFSET8(offset));
+ buffer.AppendByte(FX_GETBYTEOFFSET0(offset));
+ buffer.AppendByte(0);
+ buffer.AppendByte(0);
+}
+
+void AppendIndex2(CFX_ByteTextBuf& buffer, FX_DWORD objnum, int32_t index) {
+ buffer.AppendByte(2);
+ buffer.AppendByte(FX_GETBYTEOFFSET24(objnum));
+ buffer.AppendByte(FX_GETBYTEOFFSET16(objnum));
+ buffer.AppendByte(FX_GETBYTEOFFSET8(objnum));
+ buffer.AppendByte(FX_GETBYTEOFFSET0(objnum));
+ buffer.AppendByte(FX_GETBYTEOFFSET8(index));
+ buffer.AppendByte(FX_GETBYTEOFFSET0(index));
+}
+
+bool IsXRefNeedEnd(CPDF_XRefStream* pXRef, FX_DWORD flag) {
+ if (!(flag & FPDFCREATE_INCREMENTAL))
+ return false;
+
+ int32_t iSize = pXRef->m_IndexArray.GetSize() / 2;
+ int32_t iCount = 0;
+ for (int32_t i = 0; i < iSize; ++i)
+ iCount += pXRef->m_IndexArray.ElementAt(i * 2 + 1);
+ return iCount >= PDF_XREFSTREAM_MAXSIZE;
}
+
+int32_t OutputIndex(CFX_FileBufferArchive* pFile, FX_FILESIZE offset) {
+ if (sizeof(offset) > 4) {
+ if (FX_GETBYTEOFFSET32(offset)) {
+ if (pFile->AppendByte(FX_GETBYTEOFFSET56(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(FX_GETBYTEOFFSET48(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(FX_GETBYTEOFFSET40(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(FX_GETBYTEOFFSET32(offset)) < 0)
+ return -1;
+ }
+ }
+ if (pFile->AppendByte(FX_GETBYTEOFFSET24(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(FX_GETBYTEOFFSET16(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(FX_GETBYTEOFFSET8(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(FX_GETBYTEOFFSET0(offset)) < 0)
+ return -1;
+ if (pFile->AppendByte(0) < 0)
+ return -1;
+ return 0;
+}
+
class CPDF_FlateEncoder {
public:
CPDF_FlateEncoder();
@@ -433,6 +503,9 @@ CPDF_Encryptor::~CPDF_Encryptor() {
FX_Free(m_pData);
}
}
+
+} // namespace
+
CPDF_ObjectStream::CPDF_ObjectStream() : m_dwObjNum(0), m_index(0) {}
FX_BOOL CPDF_ObjectStream::Start() {
m_ObjNumArray.RemoveAll();
@@ -582,41 +655,7 @@ int32_t CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum,
}
return EndObjectStream(pCreator);
}
-static void _AppendIndex0(CFX_ByteTextBuf& buffer,
- FX_BOOL bFirstObject = TRUE) {
- buffer.AppendByte(0);
- buffer.AppendByte(0);
- buffer.AppendByte(0);
- buffer.AppendByte(0);
- buffer.AppendByte(0);
- if (bFirstObject) {
- buffer.AppendByte(0xFF);
- buffer.AppendByte(0xFF);
- } else {
- buffer.AppendByte(0);
- buffer.AppendByte(0);
- }
-}
-static void _AppendIndex1(CFX_ByteTextBuf& buffer, FX_FILESIZE offset) {
- buffer.AppendByte(1);
- buffer.AppendByte(FX_GETBYTEOFFSET24(offset));
- buffer.AppendByte(FX_GETBYTEOFFSET16(offset));
- buffer.AppendByte(FX_GETBYTEOFFSET8(offset));
- buffer.AppendByte(FX_GETBYTEOFFSET0(offset));
- buffer.AppendByte(0);
- buffer.AppendByte(0);
-}
-static void _AppendIndex2(CFX_ByteTextBuf& buffer,
- FX_DWORD objnum,
- int32_t index) {
- buffer.AppendByte(2);
- buffer.AppendByte(FX_GETBYTEOFFSET24(objnum));
- buffer.AppendByte(FX_GETBYTEOFFSET16(objnum));
- buffer.AppendByte(FX_GETBYTEOFFSET8(objnum));
- buffer.AppendByte(FX_GETBYTEOFFSET0(objnum));
- buffer.AppendByte(FX_GETBYTEOFFSET8(index));
- buffer.AppendByte(FX_GETBYTEOFFSET0(index));
-}
+
int32_t CPDF_XRefStream::EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF) {
FX_FILESIZE objOffset = 0;
if (bEOF) {
@@ -633,7 +672,7 @@ int32_t CPDF_XRefStream::EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF) {
int32_t iSeg = m_IndexArray.GetSize() / 2;
if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) {
if (m_dwTempObjNum == 0) {
- _AppendIndex0(m_Buffer);
+ AppendIndex0(m_Buffer, true);
m_dwTempObjNum++;
}
FX_DWORD end_num = m_IndexArray.GetAt((iSeg - 1) * 2) +
@@ -644,12 +683,12 @@ int32_t CPDF_XRefStream::EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF) {
if (offset) {
if (index >= iSize ||
m_dwTempObjNum != m_ObjStream.m_ObjNumArray[index]) {
- _AppendIndex1(m_Buffer, *offset);
+ AppendIndex1(m_Buffer, *offset);
} else {
- _AppendIndex2(m_Buffer, dwObjStmNum, index++);
+ AppendIndex2(m_Buffer, dwObjStmNum, index++);
}
} else {
- _AppendIndex0(m_Buffer, FALSE);
+ AppendIndex0(m_Buffer, false);
}
}
if (iSize > 0 && bEOF) {
@@ -668,14 +707,14 @@ int32_t CPDF_XRefStream::EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF) {
FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start;
for (FX_DWORD m = start; m < end; m++) {
if (j >= iSize || m != m_ObjStream.m_ObjNumArray.ElementAt(j)) {
- _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[m]);
+ AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[m]);
} else {
- _AppendIndex2(m_Buffer, dwObjStmNum, j++);
+ AppendIndex2(m_Buffer, dwObjStmNum, j++);
}
}
}
if (iSize > 0 && bEOF) {
- _AppendIndex1(m_Buffer, objOffset);
+ AppendIndex1(m_Buffer, objOffset);
m_IndexArray.Add(dwObjStmNum);
m_IndexArray.Add(1);
iSeg += 1;
@@ -698,13 +737,13 @@ FX_BOOL CPDF_XRefStream::GenerateXRefStream(CPDF_Creator* pCreator,
for (; m_dwTempObjNum < pCreator->m_dwLastObjNum; m_dwTempObjNum++) {
FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum);
if (offset) {
- _AppendIndex1(m_Buffer, *offset);
+ AppendIndex1(m_Buffer, *offset);
} else {
- _AppendIndex0(m_Buffer, FALSE);
+ AppendIndex0(m_Buffer, false);
}
}
}
- _AppendIndex1(m_Buffer, offset_tmp);
+ AppendIndex1(m_Buffer, offset_tmp);
FX_FILESIZE& offset = pCreator->m_Offset;
int32_t len = pFile->AppendDWord(objnum);
if (len < 0) {
@@ -832,13 +871,13 @@ FX_BOOL CPDF_XRefStream::End(CPDF_Creator* pCreator, FX_BOOL bEOF) {
}
FX_BOOL CPDF_XRefStream::EndXRefStream(CPDF_Creator* pCreator) {
if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) {
- _AppendIndex0(m_Buffer);
+ AppendIndex0(m_Buffer, true);
for (FX_DWORD i = 1; i < pCreator->m_dwLastObjNum + 1; i++) {
FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(i);
if (offset) {
- _AppendIndex1(m_Buffer, *offset);
+ AppendIndex1(m_Buffer, *offset);
} else {
- _AppendIndex0(m_Buffer, FALSE);
+ AppendIndex0(m_Buffer, false);
}
}
} else {
@@ -847,7 +886,7 @@ FX_BOOL CPDF_XRefStream::EndXRefStream(CPDF_Creator* pCreator) {
FX_DWORD start = m_IndexArray.ElementAt(i * 2);
FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start;
for (FX_DWORD j = start; j < end; j++) {
- _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[j]);
+ AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[j]);
}
}
}
@@ -908,17 +947,7 @@ CPDF_Creator::~CPDF_Creator() {
}
Clear();
}
-static FX_BOOL _IsXRefNeedEnd(CPDF_XRefStream* pXRef, FX_DWORD flag) {
- if (!(flag & FPDFCREATE_INCREMENTAL)) {
- return FALSE;
- }
- int32_t iSize = pXRef->m_IndexArray.GetSize() / 2;
- int32_t iCount = 0;
- for (int32_t i = 0; i < iSize; i++) {
- iCount += pXRef->m_IndexArray.ElementAt(i * 2 + 1);
- }
- return (iCount >= PDF_XREFSTREAM_MAXSIZE);
-}
+
int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) {
if (!m_pXRefStream)
return 1;
@@ -933,10 +962,11 @@ int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) {
return 1;
CPDF_Dictionary* pDict = pObj->GetDict();
- if (pObj->IsStream())
+ if (pObj->IsStream()) {
if (pDict && pDict->GetString("Type") == "XRef")
return 0;
return 1;
+ }
if (pDict) {
if (pDict == m_pDocument->m_pRootDict || pDict == m_pEncryptDict)
@@ -950,7 +980,7 @@ int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) {
m_pXRefStream->AddObjectNumberToIndexArray(objnum);
if (m_pXRefStream->CompressIndirectObject(objnum, pObj, this) < 0)
return -1;
- if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags))
+ if (!IsXRefNeedEnd(m_pXRefStream, m_dwFlags))
return 0;
if (!m_pXRefStream->End(this))
return -1;
@@ -970,7 +1000,7 @@ int32_t CPDF_Creator::WriteIndirectObjectToStream(FX_DWORD objnum,
if (iRet < 1) {
return iRet;
}
- if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) {
+ if (!IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) {
return 0;
}
if (!m_pXRefStream->End(this)) {
@@ -986,7 +1016,7 @@ int32_t CPDF_Creator::AppendObjectNumberToXRef(FX_DWORD objnum) {
return 1;
}
m_pXRefStream->AddObjectNumberToIndexArray(objnum);
- if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) {
+ if (!IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) {
return 0;
}
if (!m_pXRefStream->End(this)) {
@@ -1723,41 +1753,7 @@ int32_t CPDF_Creator::WriteDoc_Stage3(IFX_Pause* pPause) {
}
return m_iStage;
}
-static int32_t _OutPutIndex(CFX_FileBufferArchive* pFile, FX_FILESIZE offset) {
- FXSYS_assert(pFile);
- if (sizeof(offset) > 4) {
- if (FX_GETBYTEOFFSET32(offset)) {
- if (pFile->AppendByte(FX_GETBYTEOFFSET56(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET48(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET40(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET32(offset)) < 0) {
- return -1;
- }
- }
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET24(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET16(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET8(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(FX_GETBYTEOFFSET0(offset)) < 0) {
- return -1;
- }
- if (pFile->AppendByte(0) < 0) {
- return -1;
- }
- return 0;
-}
+
int32_t CPDF_Creator::WriteDoc_Stage4(IFX_Pause* pPause) {
FXSYS_assert(m_iStage >= 90);
if ((m_dwFlags & FPDFCREATE_OBJECTSTREAM) == 0) {
@@ -1914,7 +1910,7 @@ int32_t CPDF_Creator::WriteDoc_Stage4(IFX_Pause* pPause) {
if (!offset) {
continue;
}
- _OutPutIndex(&m_File, *offset);
+ OutputIndex(&m_File, *offset);
}
} else {
int count = m_NewObjNumArray.GetSize();
@@ -1940,7 +1936,7 @@ int32_t CPDF_Creator::WriteDoc_Stage4(IFX_Pause* pPause) {
for (i = 0; i < count; i++) {
FX_DWORD objnum = m_NewObjNumArray.ElementAt(i);
FX_FILESIZE offset = m_ObjectOffset[objnum];
- _OutPutIndex(&m_File, offset);
+ OutputIndex(&m_File, offset);
}
}
if (m_File.AppendString("\r\nendstream") < 0) {
@@ -1999,18 +1995,16 @@ void CPDF_Creator::InitID(FX_BOOL bDefault) {
CPDF_Array* pOldIDArray = m_pParser ? m_pParser->GetIDArray() : NULL;
FX_BOOL bNewId = !m_pIDArray;
if (!m_pIDArray) {
- FX_DWORD* pBuffer = NULL;
m_pIDArray = new CPDF_Array;
CPDF_Object* pID1 = pOldIDArray ? pOldIDArray->GetElement(0) : NULL;
if (pID1) {
m_pIDArray->Add(pID1->Clone());
} else {
- pBuffer = FX_Alloc(FX_DWORD, 4);
- PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum, pBuffer);
- CFX_ByteStringC bsBuffer((const uint8_t*)pBuffer, 4 * sizeof(FX_DWORD));
+ std::vector<uint8_t> buffer =
+ PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum);
+ CFX_ByteStringC bsBuffer(buffer.data(), buffer.size());
m_pIDArray->Add(new CPDF_String(bsBuffer, TRUE), m_pDocument);
}
- FX_Free(pBuffer);
}
if (!bDefault) {
return;
@@ -2021,11 +2015,10 @@ void CPDF_Creator::InitID(FX_BOOL bDefault) {
m_pIDArray->Add(pID2->Clone());
return;
}
- FX_DWORD* pBuffer = FX_Alloc(FX_DWORD, 4);
- PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum, pBuffer);
- CFX_ByteStringC bsBuffer((const uint8_t*)pBuffer, 4 * sizeof(FX_DWORD));
+ std::vector<uint8_t> buffer =
+ PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum);
+ CFX_ByteStringC bsBuffer(buffer.data(), buffer.size());
m_pIDArray->Add(new CPDF_String(bsBuffer, TRUE), m_pDocument);
- FX_Free(pBuffer);
return;
}
m_pIDArray->Add(m_pIDArray->GetElement(0)->Clone());
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index 99d0c5adc0..cfc581f4c8 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -4,16 +4,79 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "pageint.h"
+#include "core/src/fpdfapi/fpdf_page/pageint.h"
#include "core/include/fpdfapi/fpdf_module.h"
#include "core/include/fpdfapi/fpdf_page.h"
#include "core/include/fpdfapi/fpdf_serial.h"
-#define REQUIRE_PARAMS(count) \
- if (m_ParamCount != count) { \
- return; \
+namespace {
+
+struct _FX_BSTR {
+ const FX_CHAR* m_Ptr;
+ int m_Size;
+};
+#define _FX_BSTRC(str) \
+ { str, sizeof(str) - 1 }
+
+struct PDF_AbbrPairs {
+ _FX_BSTR full_name;
+ _FX_BSTR abbr;
+};
+
+const PDF_AbbrPairs PDF_InlineKeyAbbr[] = {
+ {_FX_BSTRC("BitsPerComponent"), _FX_BSTRC("BPC")},
+ {_FX_BSTRC("ColorSpace"), _FX_BSTRC("CS")},
+ {_FX_BSTRC("Decode"), _FX_BSTRC("D")},
+ {_FX_BSTRC("DecodeParms"), _FX_BSTRC("DP")},
+ {_FX_BSTRC("Filter"), _FX_BSTRC("F")},
+ {_FX_BSTRC("Height"), _FX_BSTRC("H")},
+ {_FX_BSTRC("ImageMask"), _FX_BSTRC("IM")},
+ {_FX_BSTRC("Interpolate"), _FX_BSTRC("I")},
+ {_FX_BSTRC("Width"), _FX_BSTRC("W")},
+};
+
+const PDF_AbbrPairs PDF_InlineValueAbbr[] = {
+ {_FX_BSTRC("DeviceGray"), _FX_BSTRC("G")},
+ {_FX_BSTRC("DeviceRGB"), _FX_BSTRC("RGB")},
+ {_FX_BSTRC("DeviceCMYK"), _FX_BSTRC("CMYK")},
+ {_FX_BSTRC("Indexed"), _FX_BSTRC("I")},
+ {_FX_BSTRC("ASCIIHexDecode"), _FX_BSTRC("AHx")},
+ {_FX_BSTRC("ASCII85Decode"), _FX_BSTRC("A85")},
+ {_FX_BSTRC("LZWDecode"), _FX_BSTRC("LZW")},
+ {_FX_BSTRC("FlateDecode"), _FX_BSTRC("Fl")},
+ {_FX_BSTRC("RunLengthDecode"), _FX_BSTRC("RL")},
+ {_FX_BSTRC("CCITTFaxDecode"), _FX_BSTRC("CCF")},
+ {_FX_BSTRC("DCTDecode"), _FX_BSTRC("DCT")},
+};
+
+CFX_ByteStringC PDF_FindFullName(const PDF_AbbrPairs* table,
+ size_t count,
+ const CFX_ByteStringC& abbr) {
+ for (size_t i = 0; i < count; ++i) {
+ if (abbr.GetLength() != table[i].abbr.m_Size)
+ continue;
+ if (memcmp(abbr.GetPtr(), table[i].abbr.m_Ptr, abbr.GetLength()))
+ continue;
+ return CFX_ByteStringC(table[i].full_name.m_Ptr, table[i].full_name.m_Size);
}
+ return CFX_ByteStringC();
+}
+
+CFX_ByteStringC PDF_FindAbbrName(const PDF_AbbrPairs* table,
+ size_t count,
+ const CFX_ByteStringC& name) {
+ for (size_t i = 0; i < count; ++i) {
+ if (name.GetLength() != table[i].full_name.m_Size)
+ continue;
+ if (memcmp(name.GetPtr(), table[i].full_name.m_Ptr, name.GetLength()))
+ continue;
+ return CFX_ByteStringC(table[i].abbr.m_Ptr, table[i].abbr.m_Size);
+ }
+ return CFX_ByteStringC();
+}
+
+} // namespace
CPDF_StreamContentParser::CPDF_StreamContentParser(
CPDF_Document* pDocument,
@@ -361,7 +424,7 @@ FX_BOOL CPDF_StreamContentParser::OnOperator(const FX_CHAR* op) {
while (i < 4) {
opid <<= 8;
i++;
- };
+ }
int low = 0, high = sizeof g_OpCodes / sizeof(OpCode) - 1;
while (low <= high) {
int middle = (low + high) / 2;
@@ -431,60 +494,8 @@ void CPDF_StreamContentParser::Handle_BeginMarkedContent() {
CFX_ByteString tag = GetString(0);
m_CurContentMark.GetModify()->AddMark(tag, NULL, FALSE);
}
-struct _FX_BSTR {
- const FX_CHAR* m_Ptr;
- int m_Size;
-};
-#define _FX_BSTRC(str) \
- { str, sizeof(str) - 1 }
-const _FX_BSTR _PDF_InlineKeyAbbr[] = {
- _FX_BSTRC("BitsPerComponent"),
- _FX_BSTRC("BPC"),
- _FX_BSTRC("ColorSpace"),
- _FX_BSTRC("CS"),
- _FX_BSTRC("Decode"),
- _FX_BSTRC("D"),
- _FX_BSTRC("DecodeParms"),
- _FX_BSTRC("DP"),
- _FX_BSTRC("Filter"),
- _FX_BSTRC("F"),
- _FX_BSTRC("Height"),
- _FX_BSTRC("H"),
- _FX_BSTRC("ImageMask"),
- _FX_BSTRC("IM"),
- _FX_BSTRC("Interpolate"),
- _FX_BSTRC("I"),
- _FX_BSTRC("Width"),
- _FX_BSTRC("W"),
-};
-const _FX_BSTR _PDF_InlineValueAbbr[] = {
- _FX_BSTRC("DeviceGray"), _FX_BSTRC("G"),
- _FX_BSTRC("DeviceRGB"), _FX_BSTRC("RGB"),
- _FX_BSTRC("DeviceCMYK"), _FX_BSTRC("CMYK"),
- _FX_BSTRC("Indexed"), _FX_BSTRC("I"),
- _FX_BSTRC("ASCIIHexDecode"), _FX_BSTRC("AHx"),
- _FX_BSTRC("ASCII85Decode"), _FX_BSTRC("A85"),
- _FX_BSTRC("LZWDecode"), _FX_BSTRC("LZW"),
- _FX_BSTRC("FlateDecode"), _FX_BSTRC("Fl"),
- _FX_BSTRC("RunLengthDecode"), _FX_BSTRC("RL"),
- _FX_BSTRC("CCITTFaxDecode"), _FX_BSTRC("CCF"),
- _FX_BSTRC("DCTDecode"), _FX_BSTRC("DCT"),
-};
-static CFX_ByteStringC _PDF_FindFullName(const _FX_BSTR* table,
- int count,
- const CFX_ByteStringC& abbr) {
- int i = 0;
- while (i < count) {
- if (abbr.GetLength() == table[i + 1].m_Size &&
- FXSYS_memcmp(abbr.GetPtr(), table[i + 1].m_Ptr, abbr.GetLength()) ==
- 0) {
- return CFX_ByteStringC(table[i].m_Ptr, table[i].m_Size);
- }
- i += 2;
- }
- return CFX_ByteStringC();
-}
-void _PDF_ReplaceAbbr(CPDF_Object* pObj) {
+
+void PDF_ReplaceAbbr(CPDF_Object* pObj) {
switch (pObj->GetType()) {
case PDFOBJ_DICTIONARY: {
CPDF_Dictionary* pDict = pObj->AsDictionary();
@@ -492,9 +503,8 @@ void _PDF_ReplaceAbbr(CPDF_Object* pObj) {
while (pos) {
CFX_ByteString key;
CPDF_Object* value = pDict->GetNextElement(pos, key);
- CFX_ByteStringC fullname = _PDF_FindFullName(
- _PDF_InlineKeyAbbr, sizeof _PDF_InlineKeyAbbr / sizeof(_FX_BSTR),
- key);
+ CFX_ByteStringC fullname = PDF_FindFullName(
+ PDF_InlineKeyAbbr, FX_ArraySize(PDF_InlineKeyAbbr), key);
if (!fullname.IsEmpty()) {
pDict->ReplaceKey(key, fullname);
key = fullname;
@@ -502,14 +512,13 @@ void _PDF_ReplaceAbbr(CPDF_Object* pObj) {
if (value->IsName()) {
CFX_ByteString name = value->GetString();
- fullname = _PDF_FindFullName(
- _PDF_InlineValueAbbr,
- sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ fullname = PDF_FindFullName(PDF_InlineValueAbbr,
+ FX_ArraySize(PDF_InlineValueAbbr), name);
if (!fullname.IsEmpty()) {
pDict->SetAtName(key, fullname);
}
} else {
- _PDF_ReplaceAbbr(value);
+ PDF_ReplaceAbbr(value);
}
}
break;
@@ -520,35 +529,21 @@ void _PDF_ReplaceAbbr(CPDF_Object* pObj) {
CPDF_Object* pElement = pArray->GetElement(i);
if (pElement->IsName()) {
CFX_ByteString name = pElement->GetString();
- CFX_ByteStringC fullname = _PDF_FindFullName(
- _PDF_InlineValueAbbr,
- sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ CFX_ByteStringC fullname = PDF_FindFullName(
+ PDF_InlineValueAbbr, FX_ArraySize(PDF_InlineValueAbbr), name);
if (!fullname.IsEmpty()) {
pArray->SetAt(i, new CPDF_Name(fullname));
}
} else {
- _PDF_ReplaceAbbr(pElement);
+ PDF_ReplaceAbbr(pElement);
}
}
break;
}
}
}
-static CFX_ByteStringC _PDF_FindAbbrName(const _FX_BSTR* table,
- int count,
- const CFX_ByteStringC& fullName) {
- int i = 0;
- while (i < count) {
- if (fullName.GetLength() == table[i].m_Size &&
- FXSYS_memcmp(fullName.GetPtr(), table[i].m_Ptr, fullName.GetLength()) ==
- 0) {
- return CFX_ByteStringC(table[i + 1].m_Ptr, table[i + 1].m_Size);
- }
- i += 2;
- }
- return CFX_ByteStringC();
-}
-void _PDF_ReplaceFull(CPDF_Object* pObj) {
+
+void PDF_ReplaceFull(CPDF_Object* pObj) {
switch (pObj->GetType()) {
case PDFOBJ_DICTIONARY: {
CPDF_Dictionary* pDict = pObj->AsDictionary();
@@ -556,23 +551,21 @@ void _PDF_ReplaceFull(CPDF_Object* pObj) {
while (pos) {
CFX_ByteString key;
CPDF_Object* value = pDict->GetNextElement(pos, key);
- CFX_ByteStringC abbrName = _PDF_FindAbbrName(
- _PDF_InlineKeyAbbr, sizeof(_PDF_InlineKeyAbbr) / sizeof(_FX_BSTR),
- key);
+ CFX_ByteStringC abbrName = PDF_FindAbbrName(
+ PDF_InlineKeyAbbr, FX_ArraySize(PDF_InlineKeyAbbr), key);
if (!abbrName.IsEmpty()) {
pDict->ReplaceKey(key, abbrName);
key = abbrName;
}
if (value->IsName()) {
CFX_ByteString name = value->GetString();
- abbrName = _PDF_FindAbbrName(
- _PDF_InlineValueAbbr,
- sizeof(_PDF_InlineValueAbbr) / sizeof(_FX_BSTR), name);
+ abbrName = PDF_FindAbbrName(PDF_InlineValueAbbr,
+ FX_ArraySize(PDF_InlineValueAbbr), name);
if (!abbrName.IsEmpty()) {
pDict->SetAtName(key, abbrName);
}
} else {
- _PDF_ReplaceFull(value);
+ PDF_ReplaceFull(value);
}
}
break;
@@ -583,14 +576,13 @@ void _PDF_ReplaceFull(CPDF_Object* pObj) {
CPDF_Object* pElement = pArray->GetElement(i);
if (pElement->IsName()) {
CFX_ByteString name = pElement->GetString();
- CFX_ByteStringC abbrName = _PDF_FindAbbrName(
- _PDF_InlineValueAbbr,
- sizeof _PDF_InlineValueAbbr / sizeof(_FX_BSTR), name);
+ CFX_ByteStringC abbrName = PDF_FindAbbrName(
+ PDF_InlineValueAbbr, FX_ArraySize(PDF_InlineValueAbbr), name);
if (!abbrName.IsEmpty()) {
pArray->SetAt(i, new CPDF_Name(abbrName));
}
} else {
- _PDF_ReplaceFull(pElement);
+ PDF_ReplaceFull(pElement);
}
}
break;
@@ -893,7 +885,9 @@ void CPDF_StreamContentParser::Handle_SetLineCap() {
(CFX_GraphStateData::LineCap)GetInteger(0);
}
void CPDF_StreamContentParser::Handle_SetCMYKColor_Fill() {
- REQUIRE_PARAMS(4);
+ if (m_ParamCount != 4)
+ return;
+
FX_FLOAT values[4];
for (int i = 0; i < 4; i++) {
values[i] = GetNumber(3 - i);
@@ -902,7 +896,9 @@ void CPDF_StreamContentParser::Handle_SetCMYKColor_Fill() {
m_pCurStates->m_ColorState.SetFillColor(pCS, values, 4);
}
void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke() {
- REQUIRE_PARAMS(4);
+ if (m_ParamCount != 4)
+ return;
+
FX_FLOAT values[4];
for (int i = 0; i < 4; i++) {
values[i] = GetNumber(3 - i);
@@ -911,14 +907,18 @@ void CPDF_StreamContentParser::Handle_SetCMYKColor_Stroke() {
m_pCurStates->m_ColorState.SetStrokeColor(pCS, values, 4);
}
void CPDF_StreamContentParser::Handle_LineTo() {
- REQUIRE_PARAMS(2);
+ if (m_ParamCount != 2)
+ return;
+
if (m_Options.m_bTextOnly) {
return;
}
AddPathPoint(GetNumber(1), GetNumber(0), FXPT_LINETO);
}
void CPDF_StreamContentParser::Handle_MoveTo() {
- REQUIRE_PARAMS(2);
+ if (m_ParamCount != 2)
+ return;
+
if (m_Options.m_bTextOnly) {
m_pSyntax->SkipPathObject();
return;
@@ -970,7 +970,9 @@ void CPDF_StreamContentParser::AddPathRect(FX_FLOAT x,
AddPathPoint(x, y, FXPT_LINETO | FXPT_CLOSEFIGURE);
}
void CPDF_StreamContentParser::Handle_SetRGBColor_Fill() {
- REQUIRE_PARAMS(3);
+ if (m_ParamCount != 3)
+ return;
+
FX_FLOAT values[3];
for (int i = 0; i < 3; i++) {
values[i] = GetNumber(2 - i);
@@ -979,7 +981,9 @@ void CPDF_StreamContentParser::Handle_SetRGBColor_Fill() {
m_pCurStates->m_ColorState.SetFillColor(pCS, values, 3);
}
void CPDF_StreamContentParser::Handle_SetRGBColor_Stroke() {
- REQUIRE_PARAMS(3);
+ if (m_ParamCount != 3)
+ return;
+
FX_FLOAT values[3];
for (int i = 0; i < 3; i++) {
values[i] = GetNumber(2 - i);
@@ -1341,7 +1345,7 @@ void CPDF_StreamContentParser::Handle_ShowText_Positioning() {
FXSYS_Mul(pArray->GetNumber(i),
m_pCurStates->m_TextState.GetFontSize()) /
1000;
- };
+ }
return;
}
CFX_ByteString* pStrs = new CFX_ByteString[nsegs];
diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index 1c4cc24208..8846c023e1 100644
--- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -4,7 +4,7 @@
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-#include "pageint.h"
+#include "core/src/fpdfapi/fpdf_page/pageint.h"
#include <limits.h>
@@ -72,7 +72,7 @@ FX_DWORD CPDF_StreamContentParser::Parse(const uint8_t* pData,
}
return m_pSyntax->GetPos();
}
-void _PDF_ReplaceAbbr(CPDF_Object* pObj);
+
void CPDF_StreamContentParser::Handle_BeginImage() {
FX_FILESIZE savePos = m_pSyntax->GetPos();
CPDF_Dictionary* pDict = new CPDF_Dictionary;
@@ -102,7 +102,7 @@ void CPDF_StreamContentParser::Handle_BeginImage() {
pDict->SetAt(key, pObj.release());
}
}
- _PDF_ReplaceAbbr(pDict);
+ PDF_ReplaceAbbr(pDict);
CPDF_Object* pCSObj = NULL;
if (pDict->KeyExist("ColorSpace")) {
pCSObj = pDict->GetElementValue("ColorSpace");
@@ -933,6 +933,7 @@ void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions) {
m_Status = ToBeContinued;
m_InternalStage = PAGEPARSE_STAGE_GETCONTENT;
m_CurrentOffset = 0;
+
CPDF_Object* pContent = pPage->m_pFormDict->GetElementValue("Contents");
if (!pContent) {
m_Status = Done;
@@ -951,7 +952,6 @@ void CPDF_ContentParser::Start(CPDF_Page* pPage, CPDF_ParseOptions* pOptions) {
m_pStreamArray = FX_Alloc(CPDF_StreamAcc*, m_nStreams);
} else {
m_Status = Done;
- return;
}
}
void CPDF_ContentParser::Start(CPDF_Form* pForm,
@@ -1006,11 +1006,7 @@ void CPDF_ContentParser::Start(CPDF_Form* pForm,
}
m_nStreams = 0;
m_pSingleStream = new CPDF_StreamAcc;
- if (pForm->m_pDocument) {
- m_pSingleStream->LoadAllData(pForm->m_pFormStream, FALSE);
- } else {
- m_pSingleStream->LoadAllData(pForm->m_pFormStream, FALSE);
- }
+ m_pSingleStream->LoadAllData(pForm->m_pFormStream, FALSE);
m_pData = (uint8_t*)m_pSingleStream->GetData();
m_Size = m_pSingleStream->GetSize();
m_Status = ToBeContinued;
diff --git a/core/src/fpdfapi/fpdf_page/pageint.h b/core/src/fpdfapi/fpdf_page/pageint.h
index 6113e5ea4d..69f06881f9 100644
--- a/core/src/fpdfapi/fpdf_page/pageint.h
+++ b/core/src/fpdfapi/fpdf_page/pageint.h
@@ -449,4 +449,6 @@ class CPDF_PatternCS : public CPDF_ColorSpace {
CPDF_CountedColorSpace* m_pCountedBaseCS;
};
+void PDF_ReplaceAbbr(CPDF_Object* pObj);
+
#endif // CORE_SRC_FPDFAPI_FPDF_PAGE_PAGEINT_H_
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
index c855a7c5c2..d7783e438b 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp
@@ -324,9 +324,7 @@ FX_BOOL PDF_DataDecode(const uint8_t* src_buf,
CFX_ByteString& ImageEncoding,
CPDF_Dictionary*& pImageParms,
FX_DWORD last_estimated_size,
- FX_BOOL bImageAcc)
-
-{
+ FX_BOOL bImageAcc) {
CPDF_Object* pDecoder = pDict ? pDict->GetElementValue("Filter") : nullptr;
if (!pDecoder || (!pDecoder->IsArray() && !pDecoder->IsName()))
return FALSE;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 010b9b7c47..ad97d1f369 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -360,13 +360,15 @@ FX_BOOL CPDF_Parser::LoadAllCrossRefV4(FX_FILESIZE xrefpos) {
if (!m_pTrailer) {
return FALSE;
}
+
int32_t xrefsize = GetDirectInteger(m_pTrailer, "Size");
if (xrefsize <= 0 || xrefsize > kMaxXRefSize) {
return FALSE;
}
m_ObjectInfo[0].pos = 0;
m_V5Type.SetSize(xrefsize);
- CFX_FileSizeArray CrossRefList, XRefStreamList;
+ CFX_FileSizeArray CrossRefList;
+ CFX_FileSizeArray XRefStreamList;
CrossRefList.Add(xrefpos);
XRefStreamList.Add(GetDirectInteger(m_pTrailer, "XRefStm"));
@@ -1416,9 +1418,8 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(CPDF_IndirectObjects* pObjList,
}
m_Syntax.RestorePos(SavedPos);
if (pObj) {
- if (!objnum) {
+ if (!objnum)
pObj->m_ObjNum = parser_objnum;
- }
pObj->m_GenNum = parser_gennum;
}
return pObj;
@@ -1582,8 +1583,9 @@ FX_DWORD CPDF_Parser::StartAsynParse(IFX_FileRead* pFileAccess,
if (bLoadV4) {
m_pTrailer = LoadTrailerV4();
if (!m_pTrailer) {
- return FALSE;
+ return PDFPARSE_ERROR_SUCCESS;
}
+
int32_t xrefsize = GetDirectInteger(m_pTrailer, "Size");
if (xrefsize > 0) {
m_ObjectInfo[0].pos = 0;
@@ -2759,7 +2761,6 @@ class CPDF_DataAvail final : public IPDF_DataAvail {
FX_BOOL LoadAllXref(IFX_DownloadHints* pHints);
FX_BOOL LoadAllFile(IFX_DownloadHints* pHints);
int32_t CheckLinearizedData(IFX_DownloadHints* pHints);
- FX_BOOL CheckFileResources(IFX_DownloadHints* pHints);
FX_BOOL CheckPageAnnots(int iPage, IFX_DownloadHints* pHints);
FX_BOOL CheckLinearizedFirstPage(int iPage, IFX_DownloadHints* pHints);
@@ -4296,7 +4297,7 @@ int CPDF_DataAvail::CheckLinearizedData(IFX_DownloadHints* pHints) {
pHints->AddSegment(m_dwLastXRefOffset, data_size.ValueOrDie());
return DataNotAvailable;
}
- FX_DWORD dwRet = (m_pDocument->GetParser())->LoadLinearizedMainXRefTable();
+ FX_DWORD dwRet = m_pDocument->GetParser()->LoadLinearizedMainXRefTable();
m_bMainXRefLoadTried = TRUE;
if (dwRet != PDFPARSE_ERROR_SUCCESS) {
return DataError;
@@ -4929,6 +4930,7 @@ int32_t CPDF_HintTables::CheckPage(int index, IFX_DownloadHints* pHints) {
}
return IPDF_DataAvail::DataAvailable;
}
+
FX_BOOL CPDF_HintTables::LoadHintStream(CPDF_Stream* pHintStream) {
if (!pHintStream || !m_pLinearizedDict)
return FALSE;
@@ -4954,6 +4956,7 @@ FX_BOOL CPDF_HintTables::LoadHintStream(CPDF_Stream* pHintStream) {
ReadSharedObjHintTable(&bs, pdfium::base::checked_cast<FX_DWORD>(
shared_hint_table_offset));
}
+
int CPDF_HintTables::ReadPrimaryHintStreamOffset() const {
if (!m_pLinearizedDict)
return -1;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
index 3014ca280e..e091f14cbe 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser_unittest.cpp
@@ -20,18 +20,6 @@ bool CompareArray(const CFX_ArrayTemplate<TYPE>& array1,
return false;
return true;
}
-template bool CompareArray<uint8_t>(const CFX_ByteArray&,
- const uint8_t*,
- size_t);
-template bool CompareArray<FX_WORD>(const CFX_WordArray&,
- const FX_WORD*,
- size_t);
-template bool CompareArray<FX_DWORD>(const CFX_DWordArray&,
- const FX_DWORD*,
- size_t);
-template bool CompareArray<FX_FILESIZE>(const CFX_FileSizeArray&,
- const FX_FILESIZE*,
- size_t);
// Provide a way to read test data from a buffer instead of a file.
class CFX_TestBufferRead : public IFX_FileRead {