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-rw-r--r--core/fxcrt/cfx_checksumcontext.cpp152
-rw-r--r--core/fxcrt/cfx_checksumcontext.h34
-rw-r--r--core/fxcrt/xml/cfx_saxcontext.cpp9
-rw-r--r--core/fxcrt/xml/cfx_saxcontext.h25
-rw-r--r--core/fxcrt/xml/cfx_saxreader.cpp744
-rw-r--r--core/fxcrt/xml/cfx_saxreader.h174
-rw-r--r--core/fxcrt/xml/cfx_saxreader_unittest.cpp152
-rw-r--r--core/fxcrt/xml/cfx_saxreaderhandler.cpp128
-rw-r--r--core/fxcrt/xml/cfx_saxreaderhandler.h48
-rw-r--r--core/fxcrt/xml/cfx_xmlparser.cpp30
-rw-r--r--core/fxcrt/xml/cfx_xmlparser.h6
11 files changed, 1 insertions, 1501 deletions
diff --git a/core/fxcrt/cfx_checksumcontext.cpp b/core/fxcrt/cfx_checksumcontext.cpp
deleted file mode 100644
index 3d3409dceb..0000000000
--- a/core/fxcrt/cfx_checksumcontext.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fxcrt/cfx_checksumcontext.h"
-
-#include "core/fdrm/crypto/fx_crypt.h"
-#include "core/fxcrt/fx_stream.h"
-#include "core/fxcrt/xml/cfx_saxreaderhandler.h"
-#include "third_party/base/ptr_util.h"
-
-namespace {
-
-struct FX_BASE64DATA {
- uint32_t data1 : 2;
- uint32_t data2 : 6;
- uint32_t data3 : 4;
- uint32_t data4 : 4;
- uint32_t data5 : 6;
- uint32_t data6 : 2;
- uint32_t data7 : 8;
-};
-
-const char g_FXBase64EncoderMap[64] = {
- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
- 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
- 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
- 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/',
-};
-
-void Base64EncodePiece(const FX_BASE64DATA& src, int32_t iBytes, char dst[4]) {
- dst[0] = g_FXBase64EncoderMap[src.data2];
- uint32_t b = src.data1 << 4;
- if (iBytes > 1) {
- b |= src.data4;
- }
- dst[1] = g_FXBase64EncoderMap[b];
- if (iBytes > 1) {
- b = src.data3 << 2;
- if (iBytes > 2) {
- b |= src.data6;
- }
- dst[2] = g_FXBase64EncoderMap[b];
- if (iBytes > 2) {
- dst[3] = g_FXBase64EncoderMap[src.data5];
- } else {
- dst[3] = '=';
- }
- } else {
- dst[2] = dst[3] = '=';
- }
-}
-
-int32_t Base64EncodeA(const uint8_t* pSrc, int32_t iSrcLen, char* pDst) {
- ASSERT(pSrc);
- if (iSrcLen < 1) {
- return 0;
- }
- if (!pDst) {
- int32_t iDstLen = iSrcLen / 3 * 4;
- if ((iSrcLen % 3) != 0) {
- iDstLen += 4;
- }
- return iDstLen;
- }
- FX_BASE64DATA srcData;
- int32_t iBytes = 3;
- char* pDstEnd = pDst;
- while (iSrcLen > 0) {
- if (iSrcLen > 2) {
- ((uint8_t*)&srcData)[0] = *pSrc++;
- ((uint8_t*)&srcData)[1] = *pSrc++;
- ((uint8_t*)&srcData)[2] = *pSrc++;
- iSrcLen -= 3;
- } else {
- *((uint32_t*)&srcData) = 0;
- ((uint8_t*)&srcData)[0] = *pSrc++;
- if (iSrcLen > 1) {
- ((uint8_t*)&srcData)[1] = *pSrc++;
- }
- iBytes = iSrcLen;
- iSrcLen = 0;
- }
- Base64EncodePiece(srcData, iBytes, pDstEnd);
- pDstEnd += 4;
- }
- return pDstEnd - pDst;
-}
-
-} // namespace
-
-CFX_ChecksumContext::CFX_ChecksumContext() {}
-
-CFX_ChecksumContext::~CFX_ChecksumContext() {}
-
-void CFX_ChecksumContext::StartChecksum() {
- FinishChecksum();
- m_pByteContext = pdfium::MakeUnique<CRYPT_sha1_context>();
- CRYPT_SHA1Start(m_pByteContext.get());
- m_bsChecksum.clear();
- m_pSAXReader = pdfium::MakeUnique<CFX_SAXReader>();
-}
-
-bool CFX_ChecksumContext::UpdateChecksum(
- const RetainPtr<IFX_SeekableReadStream>& pSrcFile,
- FX_FILESIZE offset,
- size_t size) {
- if (!m_pSAXReader || !pSrcFile)
- return false;
-
- if (size < 1)
- size = pSrcFile->GetSize();
-
- CFX_SAXReaderHandler handler(this);
- m_pSAXReader->SetHandler(&handler);
- if (m_pSAXReader->StartParse(
- pSrcFile, (uint32_t)offset, (uint32_t)size,
- CFX_SaxParseMode_NotSkipSpace | CFX_SaxParseMode_NotConvert_amp |
- CFX_SaxParseMode_NotConvert_lt | CFX_SaxParseMode_NotConvert_gt |
- CFX_SaxParseMode_NotConvert_sharp) < 0) {
- return false;
- }
- return m_pSAXReader->ContinueParse() > 99;
-}
-
-void CFX_ChecksumContext::FinishChecksum() {
- m_pSAXReader.reset();
- if (m_pByteContext) {
- uint8_t digest[20];
- memset(digest, 0, 20);
- CRYPT_SHA1Finish(m_pByteContext.get(), digest);
- int32_t nLen = Base64EncodeA(digest, 20, nullptr);
- char* pBuffer = m_bsChecksum.GetBuffer(nLen);
- Base64EncodeA(digest, 20, pBuffer);
- m_bsChecksum.ReleaseBuffer(nLen);
- m_pByteContext.reset();
- }
-}
-
-ByteString CFX_ChecksumContext::GetChecksum() const {
- return m_bsChecksum;
-}
-
-void CFX_ChecksumContext::Update(const ByteStringView& bsText) {
- if (!m_pByteContext)
- return;
-
- CRYPT_SHA1Update(m_pByteContext.get(), bsText.raw_str(), bsText.GetLength());
-}
diff --git a/core/fxcrt/cfx_checksumcontext.h b/core/fxcrt/cfx_checksumcontext.h
deleted file mode 100644
index 6d7963ad93..0000000000
--- a/core/fxcrt/cfx_checksumcontext.h
+++ /dev/null
@@ -1,34 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_FXCRT_CFX_CHECKSUMCONTEXT_H_
-#define CORE_FXCRT_CFX_CHECKSUMCONTEXT_H_
-
-#include <memory>
-
-#include "core/fdrm/crypto/fx_crypt.h"
-#include "core/fxcrt/xml/cfx_saxreader.h"
-
-class CFX_ChecksumContext {
- public:
- CFX_ChecksumContext();
- ~CFX_ChecksumContext();
-
- void StartChecksum();
- void Update(const ByteStringView& bsText);
- bool UpdateChecksum(const RetainPtr<IFX_SeekableReadStream>& pSrcFile,
- FX_FILESIZE offset = 0,
- size_t size = 0);
- void FinishChecksum();
- ByteString GetChecksum() const;
-
- private:
- std::unique_ptr<CFX_SAXReader> m_pSAXReader;
- std::unique_ptr<CRYPT_sha1_context> m_pByteContext;
- ByteString m_bsChecksum;
-};
-
-#endif // CORE_FXCRT_CFX_CHECKSUMCONTEXT_H_
diff --git a/core/fxcrt/xml/cfx_saxcontext.cpp b/core/fxcrt/xml/cfx_saxcontext.cpp
deleted file mode 100644
index 4e2f0c58c9..0000000000
--- a/core/fxcrt/xml/cfx_saxcontext.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright 2017 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "core/fxcrt/xml/cfx_saxcontext.h"
-
-CFX_SAXContext::CFX_SAXContext() : m_eNode(CFX_SAXItem::Type::Unknown) {}
-
-CFX_SAXContext::~CFX_SAXContext() {}
diff --git a/core/fxcrt/xml/cfx_saxcontext.h b/core/fxcrt/xml/cfx_saxcontext.h
deleted file mode 100644
index d4d74a385b..0000000000
--- a/core/fxcrt/xml/cfx_saxcontext.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2017 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_FXCRT_XML_CFX_SAXCONTEXT_H_
-#define CORE_FXCRT_XML_CFX_SAXCONTEXT_H_
-
-#include <sstream>
-
-#include "core/fxcrt/fx_string.h"
-#include "core/fxcrt/xml/cfx_saxreader.h"
-
-class CFX_SAXContext {
- public:
- CFX_SAXContext();
- ~CFX_SAXContext();
-
- std::ostringstream m_TextBuf;
- ByteString m_bsTagName;
- CFX_SAXItem::Type m_eNode;
-};
-
-#endif // CORE_FXCRT_XML_CFX_SAXCONTEXT_H_
diff --git a/core/fxcrt/xml/cfx_saxreader.cpp b/core/fxcrt/xml/cfx_saxreader.cpp
deleted file mode 100644
index 762144f4bb..0000000000
--- a/core/fxcrt/xml/cfx_saxreader.cpp
+++ /dev/null
@@ -1,744 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fxcrt/xml/cfx_saxreader.h"
-
-#include <algorithm>
-#include <utility>
-
-#include "core/fxcrt/fx_stream.h"
-#include "core/fxcrt/xml/cfx_saxreaderhandler.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
-
-enum class CFX_SaxMode {
- Text = 0,
- NodeStart,
- DeclOrComment,
- DeclNode,
- Comment,
- CommentContent,
- TagName,
- TagAttributeName,
- TagAttributeEqual,
- TagAttributeValue,
- TagMaybeClose,
- TagClose,
- TagEnd,
- TargetData,
-};
-
-class CFX_SAXCommentContext {
- public:
- CFX_SAXCommentContext() : m_iHeaderCount(0), m_iTailCount(0) {}
- int32_t m_iHeaderCount;
- int32_t m_iTailCount;
-};
-
-namespace {
-
-const uint32_t kSaxFileBufSize = 32768;
-
-} // namespace
-
-CFX_SAXFile::CFX_SAXFile()
- : m_dwStart(0),
- m_dwEnd(0),
- m_dwCur(0),
- m_pBuf(nullptr),
- m_dwBufSize(0),
- m_dwBufIndex(0) {}
-
-CFX_SAXFile::~CFX_SAXFile() {}
-
-bool CFX_SAXFile::StartFile(const RetainPtr<IFX_SeekableReadStream>& pFile,
- uint32_t dwStart,
- uint32_t dwLen) {
- ASSERT(!m_pFile && pFile);
- uint32_t dwSize = pFile->GetSize();
- if (dwStart >= dwSize)
- return false;
-
- if (dwLen == static_cast<uint32_t>(-1) || dwStart + dwLen > dwSize)
- dwLen = dwSize - dwStart;
-
- if (dwLen == 0)
- return false;
-
- m_dwBufSize = std::min(dwLen, kSaxFileBufSize);
- m_pBuf = FX_Alloc(uint8_t, m_dwBufSize);
- if (!pFile->ReadBlock(m_pBuf, dwStart, m_dwBufSize))
- return false;
-
- m_dwStart = dwStart;
- m_dwEnd = dwStart + dwLen;
- m_dwCur = dwStart;
- m_pFile = pFile;
- m_dwBufIndex = 0;
- return true;
-}
-
-bool CFX_SAXFile::ReadNextBlock() {
- ASSERT(m_pFile);
- uint32_t dwSize = m_dwEnd - m_dwCur;
- if (dwSize == 0) {
- return false;
- }
- m_dwBufSize = std::min(dwSize, kSaxFileBufSize);
- if (!m_pFile->ReadBlock(m_pBuf, m_dwCur, m_dwBufSize)) {
- return false;
- }
- m_dwBufIndex = 0;
- return true;
-}
-
-void CFX_SAXFile::Reset() {
- if (m_pBuf) {
- FX_Free(m_pBuf);
- m_pBuf = nullptr;
- }
- m_pFile = nullptr;
-}
-
-CFX_SAXReader::CFX_SAXReader()
- : m_File(),
- m_pHandler(nullptr),
- m_iState(-1),
- m_dwItemID(0),
- m_dwParseMode(0) {
- m_Data.reserve(256);
- m_Name.reserve(256);
-}
-
-CFX_SAXReader::~CFX_SAXReader() {
- Reset();
-}
-
-void CFX_SAXReader::Reset() {
- m_File.Reset();
- m_iState = -1;
- m_Stack = std::stack<std::unique_ptr<CFX_SAXItem>>();
- m_dwItemID = 0;
- m_SkipStack = std::stack<char>();
- m_SkipChar = 0;
- m_pCommentContext.reset();
- ClearData();
- ClearName();
-}
-
-void CFX_SAXReader::Push() {
- std::unique_ptr<CFX_SAXItem> pNew =
- pdfium::MakeUnique<CFX_SAXItem>(++m_dwItemID);
- if (!m_Stack.empty())
- pNew->m_bSkip = m_Stack.top()->m_bSkip;
- m_Stack.push(std::move(pNew));
-}
-
-void CFX_SAXReader::Pop() {
- if (!m_Stack.empty())
- m_Stack.pop();
-}
-
-CFX_SAXItem* CFX_SAXReader::GetCurrentItem() const {
- return m_Stack.empty() ? nullptr : m_Stack.top().get();
-}
-
-void CFX_SAXReader::ClearData() {
- m_Data.clear();
- m_iEntityStart = -1;
-}
-
-void CFX_SAXReader::ClearName() {
- m_Name.clear();
-}
-
-void CFX_SAXReader::AppendToData(uint8_t ch) {
- m_Data.push_back(ch);
-}
-
-void CFX_SAXReader::AppendToName(uint8_t ch) {
- m_Name.push_back(ch);
-}
-
-void CFX_SAXReader::BackUpAndReplaceDataAt(int32_t index, uint8_t ch) {
- ASSERT(index > -1);
- m_Data.erase(m_Data.begin() + index, m_Data.end());
- AppendToData(ch);
-}
-
-int32_t CFX_SAXReader::CurrentDataIndex() const {
- return pdfium::CollectionSize<int32_t>(m_Data) - 1;
-}
-
-bool CFX_SAXReader::IsEntityStart(uint8_t ch) const {
- return m_iEntityStart == -1 && ch == '&';
-}
-
-bool CFX_SAXReader::IsEntityEnd(uint8_t ch) const {
- return m_iEntityStart != -1 && ch == ';';
-}
-
-bool CFX_SAXReader::SkipSpace(uint8_t ch) {
- return (m_dwParseMode & CFX_SaxParseMode_NotSkipSpace) == 0 && ch < 0x21;
-}
-
-int32_t CFX_SAXReader::StartParse(
- const RetainPtr<IFX_SeekableReadStream>& pFile,
- uint32_t dwStart,
- uint32_t dwLen,
- uint32_t dwParseMode) {
- Reset();
- if (!m_File.StartFile(pFile, dwStart, dwLen))
- return -1;
-
- m_iState = 0;
- m_eMode = CFX_SaxMode::Text;
- m_ePrevMode = CFX_SaxMode::Text;
- m_bCharData = false;
- m_dwDataOffset = 0;
- m_dwParseMode = dwParseMode;
- m_Stack.push(pdfium::MakeUnique<CFX_SAXItem>(++m_dwItemID));
- return 0;
-}
-
-int32_t CFX_SAXReader::ContinueParse() {
- if (m_iState < 0 || m_iState > 99)
- return m_iState;
-
- while (m_File.m_dwCur < m_File.m_dwEnd) {
- uint32_t& index = m_File.m_dwBufIndex;
- uint32_t size = m_File.m_dwBufSize;
- const uint8_t* pBuf = m_File.m_pBuf;
- while (index < size) {
- m_CurByte = pBuf[index];
- ParseInternal();
- index++;
- }
- m_File.m_dwCur += index;
- m_iState = (m_File.m_dwCur - m_File.m_dwStart) * 100 /
- (m_File.m_dwEnd - m_File.m_dwStart);
- if (m_File.m_dwCur >= m_File.m_dwEnd)
- break;
- if (!m_File.ReadNextBlock()) {
- m_iState = -2;
- break;
- }
- m_dwDataOffset = 0;
- }
- return m_iState;
-}
-
-void CFX_SAXReader::ParseInternal() {
- switch (m_eMode) {
- case CFX_SaxMode::Text:
- ParseText();
- break;
- case CFX_SaxMode::NodeStart:
- ParseNodeStart();
- break;
- case CFX_SaxMode::DeclOrComment:
- ParseDeclOrComment();
- break;
- case CFX_SaxMode::DeclNode:
- ParseDeclNode();
- break;
- case CFX_SaxMode::Comment:
- ParseComment();
- break;
- case CFX_SaxMode::CommentContent:
- ParseCommentContent();
- break;
- case CFX_SaxMode::TagName:
- ParseTagName();
- break;
- case CFX_SaxMode::TagAttributeName:
- ParseTagAttributeName();
- break;
- case CFX_SaxMode::TagAttributeEqual:
- ParseTagAttributeEqual();
- break;
- case CFX_SaxMode::TagAttributeValue:
- ParseTagAttributeValue();
- break;
- case CFX_SaxMode::TagMaybeClose:
- ParseMaybeClose();
- break;
- case CFX_SaxMode::TagClose:
- ParseTagClose();
- break;
- case CFX_SaxMode::TagEnd:
- ParseTagEnd();
- break;
- case CFX_SaxMode::TargetData:
- ParseTargetData();
- break;
- }
-}
-
-void CFX_SAXReader::ParseChar(uint8_t ch) {
- AppendToData(ch);
- if (IsEntityStart(ch)) {
- m_iEntityStart = CurrentDataIndex();
- return;
- }
- if (!IsEntityEnd(ch))
- return;
-
- // No matter what, we're no longer in an entity.
- ASSERT(m_iEntityStart > -1);
- int32_t iSaveStart = m_iEntityStart;
- m_iEntityStart = -1;
-
- // NOTE: Relies on negative lengths being treated as empty strings.
- ByteString csEntity(m_Data.data() + iSaveStart + 1,
- CurrentDataIndex() - iSaveStart - 1);
- int32_t iLen = csEntity.GetLength();
- if (iLen == 0)
- return;
-
- if (csEntity[0] == '#') {
- if ((m_dwParseMode & CFX_SaxParseMode_NotConvert_sharp) == 0) {
- ch = 0;
- uint8_t w;
- if (iLen > 1 && csEntity[1] == 'x') {
- for (int32_t i = 2; i < iLen; i++) {
- w = csEntity[i];
- if (w >= '0' && w <= '9')
- ch = (ch << 4) + w - '0';
- else if (w >= 'A' && w <= 'F')
- ch = (ch << 4) + w - 55;
- else if (w >= 'a' && w <= 'f')
- ch = (ch << 4) + w - 87;
- else
- break;
- }
- } else {
- for (int32_t i = 1; i < iLen; i++) {
- w = csEntity[i];
- if (w < '0' || w > '9')
- break;
- ch = ch * 10 + w - '0';
- }
- }
- if (ch != 0)
- BackUpAndReplaceDataAt(iSaveStart, ch);
- }
- return;
- }
- if (csEntity == "amp") {
- if ((m_dwParseMode & CFX_SaxParseMode_NotConvert_amp) == 0)
- BackUpAndReplaceDataAt(iSaveStart, '&');
- return;
- }
- if (csEntity == "lt") {
- if ((m_dwParseMode & CFX_SaxParseMode_NotConvert_lt) == 0)
- BackUpAndReplaceDataAt(iSaveStart, '<');
- return;
- }
- if (csEntity == "gt") {
- if ((m_dwParseMode & CFX_SaxParseMode_NotConvert_gt) == 0)
- BackUpAndReplaceDataAt(iSaveStart, '>');
- return;
- }
- if (csEntity == "apos") {
- if ((m_dwParseMode & CFX_SaxParseMode_NotConvert_apos) == 0)
- BackUpAndReplaceDataAt(iSaveStart, '\'');
- return;
- }
- if (csEntity == "quot") {
- if ((m_dwParseMode & CFX_SaxParseMode_NotConvert_quot) == 0)
- BackUpAndReplaceDataAt(iSaveStart, '\"');
- return;
- }
-}
-
-void CFX_SAXReader::ParseText() {
- if (m_CurByte == '<') {
- if (!m_Data.empty()) {
- NotifyData();
- ClearData();
- }
- Push();
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- m_eMode = CFX_SaxMode::NodeStart;
- return;
- }
- if (m_Data.empty() && SkipSpace(m_CurByte))
- return;
-
- ParseChar(m_CurByte);
-}
-
-void CFX_SAXReader::ParseNodeStart() {
- if (m_CurByte == '?') {
- GetCurrentItem()->m_eNode = CFX_SAXItem::Type::Instruction;
- m_eMode = CFX_SaxMode::TagName;
- return;
- }
- if (m_CurByte == '!') {
- m_eMode = CFX_SaxMode::DeclOrComment;
- return;
- }
- if (m_CurByte == '/') {
- m_eMode = CFX_SaxMode::TagEnd;
- return;
- }
- if (m_CurByte == '>') {
- Pop();
- m_eMode = CFX_SaxMode::Text;
- return;
- }
- if (m_CurByte > 0x20) {
- m_dwDataOffset = m_File.m_dwBufIndex;
- GetCurrentItem()->m_eNode = CFX_SAXItem::Type::Tag;
- m_eMode = CFX_SaxMode::TagName;
- AppendToData(m_CurByte);
- }
-}
-
-void CFX_SAXReader::ParseDeclOrComment() {
- if (m_CurByte == '-') {
- m_eMode = CFX_SaxMode::Comment;
- GetCurrentItem()->m_eNode = CFX_SAXItem::Type::Comment;
- if (!m_pCommentContext)
- m_pCommentContext = pdfium::MakeUnique<CFX_SAXCommentContext>();
- m_pCommentContext->m_iHeaderCount = 1;
- m_pCommentContext->m_iTailCount = 0;
- return;
- }
- m_eMode = CFX_SaxMode::DeclNode;
- m_dwDataOffset = m_File.m_dwBufIndex;
- m_SkipChar = '>';
- m_SkipStack.push('>');
- SkipNode();
-}
-
-void CFX_SAXReader::ParseComment() {
- m_pCommentContext->m_iHeaderCount = 2;
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- m_eMode = CFX_SaxMode::CommentContent;
-}
-
-void CFX_SAXReader::ParseCommentContent() {
- if (m_CurByte == '-') {
- m_pCommentContext->m_iTailCount++;
- return;
- }
- if (m_CurByte == '>' && m_pCommentContext->m_iTailCount == 2) {
- NotifyTargetData();
- ClearData();
- Pop();
- m_eMode = CFX_SaxMode::Text;
- return;
- }
- while (m_pCommentContext->m_iTailCount > 0) {
- AppendToData('-');
- m_pCommentContext->m_iTailCount--;
- }
- AppendToData(m_CurByte);
-}
-
-void CFX_SAXReader::ParseDeclNode() {
- SkipNode();
-}
-
-void CFX_SAXReader::ParseTagName() {
- if (m_CurByte < 0x21 || m_CurByte == '/' || m_CurByte == '>' ||
- m_CurByte == '?') {
- NotifyEnter();
- ClearData();
- if (m_CurByte < 0x21) {
- ClearName();
- m_eMode = CFX_SaxMode::TagAttributeName;
- } else if (m_CurByte == '/' || m_CurByte == '?') {
- m_ePrevMode = m_eMode;
- m_eMode = CFX_SaxMode::TagMaybeClose;
- } else {
- NotifyBreak();
- m_eMode = CFX_SaxMode::Text;
- }
- } else {
- AppendToData(m_CurByte);
- }
-}
-
-void CFX_SAXReader::ParseTagAttributeName() {
- if (m_CurByte < 0x21 || m_CurByte == '=') {
- if (m_Name.empty() && m_CurByte < 0x21)
- return;
-
- m_SkipChar = 0;
- m_eMode = m_CurByte == '=' ? CFX_SaxMode::TagAttributeValue
- : CFX_SaxMode::TagAttributeEqual;
- ClearData();
- return;
- }
- if (m_CurByte == '/' || m_CurByte == '>' || m_CurByte == '?') {
- if (m_CurByte == '/' || m_CurByte == '?') {
- m_ePrevMode = m_eMode;
- m_eMode = CFX_SaxMode::TagMaybeClose;
- } else {
- NotifyBreak();
- m_eMode = CFX_SaxMode::Text;
- }
- return;
- }
- if (m_Name.empty())
- m_dwDataOffset = m_File.m_dwBufIndex;
- AppendToName(m_CurByte);
-}
-
-void CFX_SAXReader::ParseTagAttributeEqual() {
- if (m_CurByte == '=') {
- m_SkipChar = 0;
- m_eMode = CFX_SaxMode::TagAttributeValue;
- return;
- }
- if (GetCurrentItem()->m_eNode == CFX_SAXItem::Type::Instruction) {
- AppendToName(0x20);
- m_eMode = CFX_SaxMode::TargetData;
- ParseTargetData();
- }
-}
-
-void CFX_SAXReader::ParseTagAttributeValue() {
- if (m_SkipChar) {
- if (m_SkipChar == m_CurByte) {
- NotifyAttribute();
- ClearData();
- ClearName();
- m_SkipChar = 0;
- m_eMode = CFX_SaxMode::TagAttributeName;
- return;
- }
- ParseChar(m_CurByte);
- return;
- }
- if (m_CurByte < 0x21) {
- return;
- }
- if (m_Data.empty()) {
- if (m_CurByte == '\'' || m_CurByte == '\"')
- m_SkipChar = m_CurByte;
- }
-}
-
-void CFX_SAXReader::ParseMaybeClose() {
- if (m_CurByte == '>') {
- if (GetCurrentItem()->m_eNode == CFX_SAXItem::Type::Instruction) {
- NotifyTargetData();
- ClearData();
- ClearName();
- }
- ParseTagClose();
- m_eMode = CFX_SaxMode::Text;
- } else if (m_ePrevMode == CFX_SaxMode::TagName) {
- AppendToData('/');
- m_eMode = CFX_SaxMode::TagName;
- m_ePrevMode = CFX_SaxMode::Text;
- ParseTagName();
- } else if (m_ePrevMode == CFX_SaxMode::TagAttributeName) {
- AppendToName('/');
- m_eMode = CFX_SaxMode::TagAttributeName;
- m_ePrevMode = CFX_SaxMode::Text;
- ParseTagAttributeName();
- } else if (m_ePrevMode == CFX_SaxMode::TargetData) {
- AppendToName('?');
- m_eMode = CFX_SaxMode::TargetData;
- m_ePrevMode = CFX_SaxMode::Text;
- ParseTargetData();
- }
-}
-void CFX_SAXReader::ParseTagClose() {
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- NotifyClose();
- Pop();
-}
-void CFX_SAXReader::ParseTagEnd() {
- if (m_CurByte < 0x21) {
- return;
- }
- if (m_CurByte == '>') {
- Pop();
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- NotifyEnd();
- ClearData();
- Pop();
- m_eMode = CFX_SaxMode::Text;
- } else {
- ParseChar(m_CurByte);
- }
-}
-void CFX_SAXReader::ParseTargetData() {
- if (m_CurByte == '?') {
- m_ePrevMode = m_eMode;
- m_eMode = CFX_SaxMode::TagMaybeClose;
- } else {
- AppendToName(m_CurByte);
- }
-}
-void CFX_SAXReader::SkipNode() {
- if (m_SkipChar == '\'' || m_SkipChar == '\"') {
- if (m_CurByte != m_SkipChar)
- return;
-
- ASSERT(!m_SkipStack.empty());
- m_SkipStack.pop();
- m_SkipChar = !m_SkipStack.empty() ? m_SkipStack.top() : 0;
- return;
- }
- switch (m_CurByte) {
- case '<':
- m_SkipChar = '>';
- m_SkipStack.push('>');
- break;
- case '[':
- m_SkipChar = ']';
- m_SkipStack.push(']');
- break;
- case '(':
- m_SkipChar = ')';
- m_SkipStack.push(')');
- break;
- case '\'':
- m_SkipChar = '\'';
- m_SkipStack.push('\'');
- break;
- case '\"':
- m_SkipChar = '\"';
- m_SkipStack.push('\"');
- break;
- default:
- if (m_CurByte == m_SkipChar) {
- m_SkipStack.pop();
- m_SkipChar = !m_SkipStack.empty() ? m_SkipStack.top() : 0;
- if (m_SkipStack.empty() && m_CurByte == '>') {
- if (m_Data.size() >= 9 && memcmp(m_Data.data(), "[CDATA[", 7) == 0 &&
- memcmp(m_Data.data() + m_Data.size() - 2, "]]", 2) == 0) {
- Pop();
- m_Data.erase(m_Data.begin(), m_Data.begin() + 7);
- m_Data.erase(m_Data.end() - 2, m_Data.end());
- m_bCharData = true;
- NotifyData();
- m_bCharData = false;
- } else {
- Pop();
- }
- ClearData();
- m_eMode = CFX_SaxMode::Text;
- }
- }
- break;
- }
- if (!m_SkipStack.empty())
- ParseChar(m_CurByte);
-}
-
-void CFX_SAXReader::NotifyData() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Tag)
- m_pHandler->OnTagData(
- pItem->m_pNode,
- m_bCharData ? CFX_SAXItem::Type::CharData : CFX_SAXItem::Type::Text,
- ByteStringView(m_Data), m_File.m_dwCur + m_dwDataOffset);
-}
-
-void CFX_SAXReader::NotifyEnter() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Tag ||
- pItem->m_eNode == CFX_SAXItem::Type::Instruction) {
- pItem->m_pNode = m_pHandler->OnTagEnter(ByteStringView(m_Data),
- pItem->m_eNode, m_dwNodePos);
- }
-}
-
-void CFX_SAXReader::NotifyAttribute() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Tag ||
- pItem->m_eNode == CFX_SAXItem::Type::Instruction) {
- m_pHandler->OnTagAttribute(pItem->m_pNode, ByteStringView(m_Name),
- ByteStringView(m_Data));
- }
-}
-
-void CFX_SAXReader::NotifyBreak() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Tag)
- m_pHandler->OnTagBreak(pItem->m_pNode);
-}
-
-void CFX_SAXReader::NotifyClose() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Tag ||
- pItem->m_eNode == CFX_SAXItem::Type::Instruction) {
- m_pHandler->OnTagClose(pItem->m_pNode, m_dwNodePos);
- }
-}
-
-void CFX_SAXReader::NotifyEnd() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Tag)
- m_pHandler->OnTagEnd(pItem->m_pNode, ByteStringView(m_Data), m_dwNodePos);
-}
-
-void CFX_SAXReader::NotifyTargetData() {
- if (!m_pHandler)
- return;
-
- CFX_SAXItem* pItem = GetCurrentItem();
- if (!pItem)
- return;
-
- if (pItem->m_eNode == CFX_SAXItem::Type::Instruction) {
- m_pHandler->OnTargetData(pItem->m_pNode, pItem->m_eNode,
- ByteStringView(m_Name), m_dwNodePos);
- } else if (pItem->m_eNode == CFX_SAXItem::Type::Comment) {
- m_pHandler->OnTargetData(pItem->m_pNode, pItem->m_eNode,
- ByteStringView(m_Data), m_dwNodePos);
- }
-}
-
-void CFX_SAXReader::SkipCurrentNode() {
- CFX_SAXItem* pItem = GetCurrentItem();
- if (pItem)
- pItem->m_bSkip = true;
-}
diff --git a/core/fxcrt/xml/cfx_saxreader.h b/core/fxcrt/xml/cfx_saxreader.h
deleted file mode 100644
index 9ff755d053..0000000000
--- a/core/fxcrt/xml/cfx_saxreader.h
+++ /dev/null
@@ -1,174 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_FXCRT_XML_CFX_SAXREADER_H_
-#define CORE_FXCRT_XML_CFX_SAXREADER_H_
-
-#include <memory>
-#include <stack>
-#include <vector>
-
-#include "core/fxcrt/fx_string.h"
-#include "core/fxcrt/retain_ptr.h"
-
-class CFX_SAXCommentContext;
-class CFX_SAXContext;
-class IFX_SeekableReadStream;
-enum class CFX_SaxMode;
-
-class CFX_SAXItem {
- public:
- enum class Type {
- Unknown = 0,
- Instruction,
- Declaration,
- Comment,
- Tag,
- Text,
- CharData,
- };
-
- explicit CFX_SAXItem(uint32_t id)
- : m_pNode(nullptr), m_eNode(Type::Unknown), m_dwID(id), m_bSkip(false) {}
-
- CFX_SAXContext* m_pNode;
- Type m_eNode;
- const uint32_t m_dwID;
- bool m_bSkip;
-};
-
-class CFX_SAXFile {
- public:
- CFX_SAXFile();
- ~CFX_SAXFile();
-
- bool StartFile(const RetainPtr<IFX_SeekableReadStream>& pFile,
- uint32_t dwStart,
- uint32_t dwLen);
- bool ReadNextBlock();
- void Reset();
-
- RetainPtr<IFX_SeekableReadStream> m_pFile;
- uint32_t m_dwStart;
- uint32_t m_dwEnd;
- uint32_t m_dwCur;
- uint8_t* m_pBuf;
- uint32_t m_dwBufSize;
- uint32_t m_dwBufIndex;
-};
-
-enum CFX_SaxParseMode {
- CFX_SaxParseMode_NotConvert_amp = 1 << 0,
- CFX_SaxParseMode_NotConvert_lt = 1 << 1,
- CFX_SaxParseMode_NotConvert_gt = 1 << 2,
- CFX_SaxParseMode_NotConvert_apos = 1 << 3,
- CFX_SaxParseMode_NotConvert_quot = 1 << 4,
- CFX_SaxParseMode_NotConvert_sharp = 1 << 5,
- CFX_SaxParseMode_NotSkipSpace = 1 << 6
-};
-
-class CFX_SAXReader {
- public:
- class HandlerIface {
- public:
- virtual ~HandlerIface() {}
- virtual CFX_SAXContext* OnTagEnter(const ByteStringView& bsTagName,
- CFX_SAXItem::Type eType,
- uint32_t dwStartPos) = 0;
- virtual void OnTagAttribute(CFX_SAXContext* pTag,
- const ByteStringView& bsAttri,
- const ByteStringView& bsValue) = 0;
- virtual void OnTagBreak(CFX_SAXContext* pTag) = 0;
- virtual void OnTagData(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos) = 0;
- virtual void OnTagClose(CFX_SAXContext* pTag, uint32_t dwEndPos) = 0;
- virtual void OnTagEnd(CFX_SAXContext* pTag,
- const ByteStringView& bsTagName,
- uint32_t dwEndPos) = 0;
- virtual void OnTargetData(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos) = 0;
- };
-
- CFX_SAXReader();
- ~CFX_SAXReader();
-
- int32_t StartParse(const RetainPtr<IFX_SeekableReadStream>& pFile,
- uint32_t dwStart = 0,
- uint32_t dwLen = -1,
- uint32_t dwParseMode = 0);
- int32_t ContinueParse();
- void SetHandler(HandlerIface* pHandler) { m_pHandler = pHandler; }
-
- private:
- void ParseInternal();
- void SkipCurrentNode();
- void AppendData(uint8_t ch);
- void AppendName(uint8_t ch);
- void ParseText();
- void ParseNodeStart();
- void ParseInstruction();
- void ParseDeclOrComment();
- void ParseDeclNode();
- void ParseComment();
- void ParseCommentContent();
- void ParseTagName();
- void ParseTagAttributeName();
- void ParseTagAttributeEqual();
- void ParseTagAttributeValue();
- void ParseMaybeClose();
- void ParseTagClose();
- void ParseTagEnd();
- void ParseTargetData();
- void Reset();
- void ClearData();
- void ClearName();
- void AppendToData(uint8_t ch);
- void AppendToName(uint8_t ch);
- void BackUpAndReplaceDataAt(int32_t index, uint8_t ch);
- bool IsEntityStart(uint8_t ch) const;
- bool IsEntityEnd(uint8_t ch) const;
- int32_t CurrentDataIndex() const;
- void Push();
- void Pop();
- CFX_SAXItem* GetCurrentItem() const;
- bool SkipSpace(uint8_t ch);
- void SkipNode();
- void NotifyData();
- void NotifyEnter();
- void NotifyAttribute();
- void NotifyBreak();
- void NotifyClose();
- void NotifyEnd();
- void NotifyTargetData();
- void ReallocDataBuffer();
- void ReallocNameBuffer();
- void ParseChar(uint8_t ch);
-
- CFX_SAXFile m_File;
- HandlerIface* m_pHandler;
- int32_t m_iState;
- std::stack<std::unique_ptr<CFX_SAXItem>> m_Stack;
- uint32_t m_dwItemID;
- CFX_SaxMode m_eMode;
- CFX_SaxMode m_ePrevMode;
- bool m_bCharData;
- uint8_t m_CurByte;
- uint32_t m_dwDataOffset;
- std::stack<char> m_SkipStack;
- uint8_t m_SkipChar;
- uint32_t m_dwNodePos;
- std::vector<uint8_t> m_Data;
- int32_t m_iEntityStart; // Index into m_Data.
- std::vector<uint8_t> m_Name;
- uint32_t m_dwParseMode;
- std::unique_ptr<CFX_SAXCommentContext> m_pCommentContext;
-};
-
-#endif // CORE_FXCRT_XML_CFX_SAXREADER_H_
diff --git a/core/fxcrt/xml/cfx_saxreader_unittest.cpp b/core/fxcrt/xml/cfx_saxreader_unittest.cpp
deleted file mode 100644
index 13d06325a7..0000000000
--- a/core/fxcrt/xml/cfx_saxreader_unittest.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-// Copyright 2017 The PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "core/fxcrt/xml/cfx_saxreader.h"
-#include "core/fxcrt/cfx_memorystream.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/test_support.h"
-
-using testing::_;
-using testing::Eq;
-using testing::Return;
-
-namespace {
-
-class MockHandler : public CFX_SAXReader::HandlerIface {
- public:
- MOCK_METHOD3(OnTagEnter,
- CFX_SAXContext*(const ByteStringView& bsTagName,
- CFX_SAXItem::Type eType,
- uint32_t dwStartPos));
- MOCK_METHOD3(OnTagAttribute,
- void(CFX_SAXContext* pTag,
- const ByteStringView& bsAttri,
- const ByteStringView& bsValue));
- MOCK_METHOD1(OnTagBreak, void(CFX_SAXContext* pTag));
- MOCK_METHOD4(OnTagData,
- void(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos));
- MOCK_METHOD2(OnTagClose, void(CFX_SAXContext* pTag, uint32_t dwEndPos));
- MOCK_METHOD3(OnTagEnd,
- void(CFX_SAXContext* pTag,
- const ByteStringView& bsTagName,
- uint32_t dwEndPos));
- MOCK_METHOD4(OnTargetData,
- void(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos));
-};
-
-} // namespace
-
-class CFX_SAXReaderTest : public testing::Test {
- public:
- void SetHandler(CFX_SAXReader::HandlerIface* handler) {
- reader_.SetHandler(handler);
- }
-
- bool StartParse(char* str) {
- return reader_.StartParse(
- pdfium::MakeRetain<CFX_MemoryStream>(
- reinterpret_cast<uint8_t*>(str), strlen(str), false),
- 0, static_cast<uint32_t>(-1),
- CFX_SaxParseMode_NotSkipSpace) >= 0;
- }
-
- int32_t ContinueParse() {
- int32_t ret;
- do {
- ret = reader_.ContinueParse();
- } while (ret >= 0 && ret < 100);
- return ret;
- }
-
- private:
- CFX_SAXReader reader_;
-};
-
-TEST_F(CFX_SAXReaderTest, Null) {
- char data[] = "";
- ASSERT_FALSE(StartParse(data));
-}
-
-TEST_F(CFX_SAXReaderTest, SimpleText) {
- MockHandler mock;
- SetHandler(&mock);
-
- char data[] = "clams";
- ASSERT_TRUE(StartParse(data));
- EXPECT_EQ(100, ContinueParse());
-}
-
-TEST_F(CFX_SAXReaderTest, SimpleTag) {
- MockHandler mock;
- EXPECT_CALL(mock, OnTagEnter(Eq("clams"), _, _));
- EXPECT_CALL(mock, OnTagBreak(_));
- SetHandler(&mock);
-
- char data[] = "<clams>";
- ASSERT_TRUE(StartParse(data));
- EXPECT_EQ(100, ContinueParse());
-}
-
-TEST_F(CFX_SAXReaderTest, AttributeTag) {
- MockHandler mock;
- EXPECT_CALL(mock, OnTagEnter(Eq("clams"), _, _));
- EXPECT_CALL(mock, OnTagAttribute(_, Eq("size"), Eq("small")));
- EXPECT_CALL(mock, OnTagAttribute(_, Eq("color"), Eq("red")));
- EXPECT_CALL(mock, OnTagBreak(_));
- SetHandler(&mock);
-
- char data[] = "<clams size='small' color='red'>";
- ASSERT_TRUE(StartParse(data));
- EXPECT_EQ(100, ContinueParse());
-}
-
-TEST_F(CFX_SAXReaderTest, AttributeEntityTag) {
- MockHandler mock;
- EXPECT_CALL(mock, OnTagEnter(Eq("clams"), _, _));
- EXPECT_CALL(mock, OnTagAttribute(_, Eq("predicate"), Eq("1 < 2")));
- EXPECT_CALL(mock, OnTagBreak(_));
- SetHandler(&mock);
-
- char data[] = "<clams predicate='1 &lt; 2'>";
- ASSERT_TRUE(StartParse(data));
- EXPECT_EQ(100, ContinueParse());
-}
-
-TEST_F(CFX_SAXReaderTest, TextWithinTag) {
- MockHandler mock;
- EXPECT_CALL(mock, OnTagEnter(Eq("b"), _, _));
- EXPECT_CALL(mock, OnTagBreak(_));
- EXPECT_CALL(mock, OnTagData(_, _, Eq("biff"), _));
- EXPECT_CALL(mock, OnTagEnd(_, Eq("b"), _));
- SetHandler(&mock);
-
- char data[] = "<b>biff</b>";
- ASSERT_TRUE(StartParse(data));
- EXPECT_EQ(100, ContinueParse());
-}
-
-TEST_F(CFX_SAXReaderTest, bug_711459) {
- char data[] =
- "&a<tag "
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
- ">x;";
- ASSERT_TRUE(StartParse(data));
- EXPECT_EQ(100, ContinueParse());
-}
diff --git a/core/fxcrt/xml/cfx_saxreaderhandler.cpp b/core/fxcrt/xml/cfx_saxreaderhandler.cpp
deleted file mode 100644
index d255ce924d..0000000000
--- a/core/fxcrt/xml/cfx_saxreaderhandler.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-// Copyright 2017 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fxcrt/xml/cfx_saxreaderhandler.h"
-
-#include <string>
-
-#include "core/fxcrt/cfx_checksumcontext.h"
-
-CFX_SAXReaderHandler::CFX_SAXReaderHandler(CFX_ChecksumContext* pContext)
- : m_pContext(pContext) {
- ASSERT(m_pContext);
-}
-
-CFX_SAXReaderHandler::~CFX_SAXReaderHandler() {}
-
-CFX_SAXContext* CFX_SAXReaderHandler::OnTagEnter(
- const ByteStringView& bsTagName,
- CFX_SAXItem::Type eType,
- uint32_t dwStartPos) {
- UpdateChecksum(true);
- if (eType != CFX_SAXItem::Type::Tag &&
- eType != CFX_SAXItem::Type::Instruction) {
- return nullptr;
- }
-
- m_SAXContext.m_eNode = eType;
- m_SAXContext.m_TextBuf << "<";
- if (eType == CFX_SAXItem::Type::Instruction)
- m_SAXContext.m_TextBuf << "?";
-
- m_SAXContext.m_TextBuf << bsTagName;
- m_SAXContext.m_bsTagName = bsTagName;
- return &m_SAXContext;
-}
-
-void CFX_SAXReaderHandler::OnTagAttribute(CFX_SAXContext* pTag,
- const ByteStringView& bsAttri,
- const ByteStringView& bsValue) {
- if (!pTag)
- return;
- pTag->m_TextBuf << " " << bsAttri << "=\"" << bsValue << "\"";
-}
-
-void CFX_SAXReaderHandler::OnTagBreak(CFX_SAXContext* pTag) {
- if (!pTag)
- return;
-
- pTag->m_TextBuf << ">";
- UpdateChecksum(false);
-}
-
-void CFX_SAXReaderHandler::OnTagData(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos) {
- if (!pTag)
- return;
-
- if (eType == CFX_SAXItem::Type::CharData)
- pTag->m_TextBuf << "<![CDATA[";
-
- pTag->m_TextBuf << bsData;
- if (eType == CFX_SAXItem::Type::CharData)
- pTag->m_TextBuf << "]]>";
-}
-
-void CFX_SAXReaderHandler::OnTagClose(CFX_SAXContext* pTag, uint32_t dwEndPos) {
- if (!pTag)
- return;
-
- if (pTag->m_eNode == CFX_SAXItem::Type::Instruction)
- pTag->m_TextBuf << "?>";
- else if (pTag->m_eNode == CFX_SAXItem::Type::Tag)
- pTag->m_TextBuf << "></" << pTag->m_bsTagName.AsStringView() << ">";
-
- UpdateChecksum(false);
-}
-
-void CFX_SAXReaderHandler::OnTagEnd(CFX_SAXContext* pTag,
- const ByteStringView& bsTagName,
- uint32_t dwEndPos) {
- if (!pTag)
- return;
-
- pTag->m_TextBuf << "</" << bsTagName << ">";
- UpdateChecksum(false);
-}
-
-void CFX_SAXReaderHandler::OnTargetData(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos) {
- if (!pTag && eType != CFX_SAXItem::Type::Comment)
- return;
-
- if (eType == CFX_SAXItem::Type::Comment) {
- m_SAXContext.m_TextBuf << "<!--" << bsData << "-->";
- UpdateChecksum(false);
- } else {
- pTag->m_TextBuf << " " << bsData;
- }
-}
-
-void CFX_SAXReaderHandler::UpdateChecksum(bool bCheckSpace) {
- int32_t iLength = m_SAXContext.m_TextBuf.tellp();
- if (iLength < 1)
- return;
-
- std::string sBuffer = m_SAXContext.m_TextBuf.str();
- const uint8_t* pBuffer = reinterpret_cast<const uint8_t*>(sBuffer.c_str());
- bool bUpdata = true;
- if (bCheckSpace) {
- bUpdata = false;
- for (int32_t i = 0; i < iLength; i++) {
- bUpdata = (pBuffer[i] > 0x20);
- if (bUpdata)
- break;
- }
- }
- if (bUpdata)
- m_pContext->Update(ByteStringView(pBuffer, iLength));
-
- m_SAXContext.m_TextBuf.str("");
-}
diff --git a/core/fxcrt/xml/cfx_saxreaderhandler.h b/core/fxcrt/xml/cfx_saxreaderhandler.h
deleted file mode 100644
index 263008f1ff..0000000000
--- a/core/fxcrt/xml/cfx_saxreaderhandler.h
+++ /dev/null
@@ -1,48 +0,0 @@
-// Copyright 2017 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_FXCRT_XML_CFX_SAXREADERHANDLER_H_
-#define CORE_FXCRT_XML_CFX_SAXREADERHANDLER_H_
-
-#include "core/fxcrt/fx_string.h"
-#include "core/fxcrt/xml/cfx_saxcontext.h"
-#include "core/fxcrt/xml/cfx_saxreader.h"
-
-class CFX_ChecksumContext;
-
-class CFX_SAXReaderHandler : public CFX_SAXReader::HandlerIface {
- public:
- explicit CFX_SAXReaderHandler(CFX_ChecksumContext* pContext);
- ~CFX_SAXReaderHandler() override;
-
- CFX_SAXContext* OnTagEnter(const ByteStringView& bsTagName,
- CFX_SAXItem::Type eType,
- uint32_t dwStartPos) override;
- void OnTagAttribute(CFX_SAXContext* pTag,
- const ByteStringView& bsAttri,
- const ByteStringView& bsValue) override;
- void OnTagBreak(CFX_SAXContext* pTag) override;
- void OnTagData(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos) override;
- void OnTagClose(CFX_SAXContext* pTag, uint32_t dwEndPos) override;
- void OnTagEnd(CFX_SAXContext* pTag,
- const ByteStringView& bsTagName,
- uint32_t dwEndPos) override;
- void OnTargetData(CFX_SAXContext* pTag,
- CFX_SAXItem::Type eType,
- const ByteStringView& bsData,
- uint32_t dwStartPos) override;
-
- private:
- void UpdateChecksum(bool bCheckSpace);
-
- CFX_ChecksumContext* m_pContext;
- CFX_SAXContext m_SAXContext;
-};
-
-#endif // CORE_FXCRT_XML_CFX_SAXREADERHANDLER_H_
diff --git a/core/fxcrt/xml/cfx_xmlparser.cpp b/core/fxcrt/xml/cfx_xmlparser.cpp
index c81c4082eb..05e52015bd 100644
--- a/core/fxcrt/xml/cfx_xmlparser.cpp
+++ b/core/fxcrt/xml/cfx_xmlparser.cpp
@@ -15,10 +15,7 @@
CFX_XMLParser::CFX_XMLParser(CFX_XMLNode* pParent,
const RetainPtr<CFX_SeekableStreamProxy>& pStream)
- : m_nElementStart(0),
- m_dwCheckStatus(0),
- m_dwCurrentCheckStatus(0),
- m_pStream(pStream),
+ : m_pStream(pStream),
m_pParser(pdfium::MakeUnique<CFX_XMLSyntaxParser>(m_pStream)),
m_pParent(pParent),
m_pChild(nullptr),
@@ -51,9 +48,6 @@ int32_t CFX_XMLParser::DoParser() {
m_pChild = m_pParent;
break;
case FX_XmlSyntaxResult::ElementOpen:
- if (m_dwCheckStatus != 0x03 && m_NodeStack.size() == 2)
- m_nElementStart = m_pParser->GetCurrentPos() - 1;
- break;
case FX_XmlSyntaxResult::ElementBreak:
break;
case FX_XmlSyntaxResult::ElementClose:
@@ -73,12 +67,6 @@ int32_t CFX_XMLParser::DoParser() {
m_syntaxParserResult = FX_XmlSyntaxResult::Error;
break;
}
- if (m_dwCurrentCheckStatus != 0 && m_NodeStack.size() == 2) {
- m_nSize[m_dwCurrentCheckStatus - 1] =
- m_pParser->GetCurrentBinaryPos() -
- m_nStart[m_dwCurrentCheckStatus - 1];
- m_dwCurrentCheckStatus = 0;
- }
m_pParent = m_NodeStack.top();
m_pChild = m_pParent;
iCount++;
@@ -99,22 +87,6 @@ int32_t CFX_XMLParser::DoParser() {
m_pParent->AppendChild(m_pChild);
m_NodeStack.push(m_pChild);
m_pParent = m_pChild;
-
- if (m_dwCheckStatus != 0x03 && m_NodeStack.size() == 3) {
- WideString wsTag =
- static_cast<CFX_XMLElement*>(m_pChild)->GetLocalTagName();
- if (wsTag == L"template") {
- m_dwCheckStatus |= 0x01;
- m_dwCurrentCheckStatus = 0x01;
- m_nStart[0] = m_pParser->GetCurrentBinaryPos() -
- (m_pParser->GetCurrentPos() - m_nElementStart);
- } else if (wsTag == L"datasets") {
- m_dwCheckStatus |= 0x02;
- m_dwCurrentCheckStatus = 0x02;
- m_nStart[1] = m_pParser->GetCurrentBinaryPos() -
- (m_pParser->GetCurrentPos() - m_nElementStart);
- }
- }
break;
case FX_XmlSyntaxResult::AttriName:
m_ws1 = m_pParser->GetAttributeName();
diff --git a/core/fxcrt/xml/cfx_xmlparser.h b/core/fxcrt/xml/cfx_xmlparser.h
index 0038f6d9b2..2998a44ad5 100644
--- a/core/fxcrt/xml/cfx_xmlparser.h
+++ b/core/fxcrt/xml/cfx_xmlparser.h
@@ -26,12 +26,6 @@ class CFX_XMLParser {
int32_t DoParser();
- FX_FILESIZE m_nStart[2];
- size_t m_nSize[2];
- FX_FILESIZE m_nElementStart;
- uint16_t m_dwCheckStatus;
- uint16_t m_dwCurrentCheckStatus;
-
private:
RetainPtr<CFX_SeekableStreamProxy> m_pStream;
std::unique_ptr<CFX_XMLSyntaxParser> m_pParser;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 08:52:49 +0000