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-rw-r--r--core/fxcrt/cfx_blockbuffer.cpp124
-rw-r--r--core/fxcrt/cfx_blockbuffer.h50
-rw-r--r--core/fxcrt/xml/cfx_xmlparser.cpp242
-rw-r--r--core/fxcrt/xml/cfx_xmlparser.h10
-rw-r--r--core/fxcrt/xml/cfx_xmlparser_unittest.cpp2
5 files changed, 69 insertions, 359 deletions
diff --git a/core/fxcrt/cfx_blockbuffer.cpp b/core/fxcrt/cfx_blockbuffer.cpp
deleted file mode 100644
index 6a7d98aa18..0000000000
--- a/core/fxcrt/cfx_blockbuffer.cpp
+++ /dev/null
@@ -1,124 +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/cfx_blockbuffer.h"
-
-#include <algorithm>
-#include <utility>
-
-namespace {
-
-const size_t kAllocStep = 1024 * 1024;
-
-} // namespace
-
-CFX_BlockBuffer::CFX_BlockBuffer()
- : m_DataLength(0), m_BufferSize(0), m_StartPosition(0) {}
-
-CFX_BlockBuffer::~CFX_BlockBuffer() {}
-
-size_t CFX_BlockBuffer::GetAllocStep() const {
- return kAllocStep;
-}
-
-std::pair<wchar_t*, size_t> CFX_BlockBuffer::GetAvailableBlock() {
- if (m_BlockArray.empty())
- return {nullptr, 0};
-
- size_t realIndex = m_StartPosition + m_DataLength;
- if (realIndex == m_BufferSize) {
- m_BlockArray.emplace_back(FX_Alloc(wchar_t, kAllocStep));
- m_BufferSize += kAllocStep;
- return {m_BlockArray.back().get(), 0};
- }
- return {m_BlockArray[realIndex / kAllocStep].get(), realIndex % kAllocStep};
-}
-
-bool CFX_BlockBuffer::InitBuffer() {
- m_BlockArray.clear();
- m_BlockArray.emplace_back(FX_Alloc(wchar_t, kAllocStep));
- m_BufferSize = kAllocStep;
- return true;
-}
-
-void CFX_BlockBuffer::SetTextChar(size_t index, wchar_t ch) {
- size_t realIndex = m_StartPosition + index;
- size_t blockIndex = realIndex / kAllocStep;
- if (blockIndex >= m_BlockArray.size()) {
- size_t newBlocks = blockIndex - m_BlockArray.size() + 1;
- do {
- m_BlockArray.emplace_back(FX_Alloc(wchar_t, kAllocStep));
- m_BufferSize += kAllocStep;
- } while (--newBlocks);
- }
- wchar_t* pTextData = m_BlockArray[blockIndex].get();
- pTextData[realIndex % kAllocStep] = ch;
- m_DataLength = std::max(m_DataLength, index + 1);
-}
-
-void CFX_BlockBuffer::DeleteTextChars(size_t count) {
- if (count == 0)
- return;
-
- if (count >= m_DataLength) {
- Reset(false);
- return;
- }
- m_DataLength -= count;
-}
-
-WideString CFX_BlockBuffer::GetTextData(size_t start, size_t length) const {
- if (m_BufferSize <= m_StartPosition + 1 || length == 0)
- return WideString();
-
- size_t maybeDataLength = m_BufferSize - 1 - m_StartPosition;
- if (start > maybeDataLength)
- return WideString();
-
- length = std::min(length, maybeDataLength);
- if (!length)
- return WideString();
-
- WideString wsTextData;
- {
- // Span's lifetime must end before ReleaseBuffer() below.
- pdfium::span<wchar_t> pBuf = wsTextData.GetBuffer(length);
- size_t startBlock = 0;
- size_t startInner = 0;
- std::tie(startBlock, startInner) = TextDataIndex2BufIndex(start);
-
- size_t endBlock = 0;
- size_t endInner = 0;
- std::tie(endBlock, endInner) = TextDataIndex2BufIndex(start + length);
-
- size_t pointer = 0;
- for (size_t i = startBlock; i <= endBlock; ++i) {
- size_t bufferPointer = 0;
- size_t copyLength = kAllocStep;
- if (i == startBlock) {
- copyLength -= startInner;
- bufferPointer = startInner;
- }
- if (i == endBlock)
- copyLength -= ((kAllocStep - 1) - endInner);
-
- wchar_t* pBlockBuf = m_BlockArray[i].get();
- memcpy(&pBuf[pointer], pBlockBuf + bufferPointer,
- copyLength * sizeof(wchar_t));
- pointer += copyLength;
- }
- }
- wsTextData.ReleaseBuffer(length);
- return wsTextData;
-}
-
-std::pair<size_t, size_t> CFX_BlockBuffer::TextDataIndex2BufIndex(
- const size_t iIndex) const {
- ASSERT(iIndex >= 0);
-
- size_t realIndex = m_StartPosition + iIndex;
- return {realIndex / kAllocStep, realIndex % kAllocStep};
-}
diff --git a/core/fxcrt/cfx_blockbuffer.h b/core/fxcrt/cfx_blockbuffer.h
deleted file mode 100644
index 1673136643..0000000000
--- a/core/fxcrt/cfx_blockbuffer.h
+++ /dev/null
@@ -1,50 +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_CFX_BLOCKBUFFER_H_
-#define CORE_FXCRT_CFX_BLOCKBUFFER_H_
-
-#include <stdint.h>
-
-#include <memory>
-#include <utility>
-#include <vector>
-
-#include "core/fxcrt/fx_string.h"
-
-class CFX_BlockBuffer {
- public:
- CFX_BlockBuffer();
- ~CFX_BlockBuffer();
-
- bool InitBuffer();
-
- std::pair<wchar_t*, size_t> GetAvailableBlock();
- size_t GetAllocStep() const;
- size_t GetDataLength() const { return m_DataLength; }
- void IncrementDataLength() { m_DataLength++; }
- bool IsEmpty() const { return m_DataLength == 0; }
-
- void Reset(bool bReserveData) {
- if (!bReserveData)
- m_StartPosition = 0;
- m_DataLength = 0;
- }
-
- void SetTextChar(size_t iIndex, wchar_t ch);
- void DeleteTextChars(size_t iCount);
- WideString GetTextData(size_t iStart, size_t iLength) const;
-
- private:
- std::pair<size_t, size_t> TextDataIndex2BufIndex(const size_t iIndex) const;
-
- std::vector<std::unique_ptr<wchar_t, FxFreeDeleter>> m_BlockArray;
- size_t m_DataLength;
- size_t m_BufferSize;
- size_t m_StartPosition;
-};
-
-#endif // CORE_FXCRT_CFX_BLOCKBUFFER_H_
diff --git a/core/fxcrt/xml/cfx_xmlparser.cpp b/core/fxcrt/xml/cfx_xmlparser.cpp
index 21bbbbe9d6..55778d3204 100644
--- a/core/fxcrt/xml/cfx_xmlparser.cpp
+++ b/core/fxcrt/xml/cfx_xmlparser.cpp
@@ -24,7 +24,8 @@
namespace {
-const uint32_t kMaxCharRange = 0x10ffff;
+constexpr size_t kCurrentTextReserve = 128;
+constexpr uint32_t kMaxCharRange = 0x10ffff;
bool IsXMLWhiteSpace(wchar_t ch) {
return ch == L' ' || ch == 0x0A || ch == 0x0D || ch == 0x09;
@@ -85,10 +86,7 @@ CFX_XMLParser::CFX_XMLParser(CFX_XMLNode* pParent,
}
m_Buffer.resize(pdfium::base::ValueOrDieForType<size_t>(alloc_size_safe));
-
- m_BlockBuffer.InitBuffer();
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
+ current_text_.reserve(kCurrentTextReserve);
}
CFX_XMLParser::~CFX_XMLParser() = default;
@@ -109,13 +107,13 @@ bool CFX_XMLParser::Parse() {
m_pChild = m_pParent;
break;
- case FX_XmlSyntaxResult::ElementClose:
+ case FX_XmlSyntaxResult::ElementClose: {
if (m_pChild->GetType() != FX_XMLNODE_Element)
return false;
- m_ws1 = GetTextData();
- if (m_ws1.GetLength() > 0 &&
- m_ws1 != static_cast<CFX_XMLElement*>(m_pChild)->GetName()) {
+ WideString element_name = GetTextData();
+ if (element_name.GetLength() > 0 &&
+ element_name != static_cast<CFX_XMLElement*>(m_pChild)->GetName()) {
return false;
}
@@ -128,65 +126,65 @@ bool CFX_XMLParser::Parse() {
m_pChild = m_pParent;
iCount++;
break;
- case FX_XmlSyntaxResult::TargetName:
- m_ws1 = GetTextData();
- if (m_ws1 == L"originalXFAVersion" || m_ws1 == L"acrobat") {
- auto child = pdfium::MakeUnique<CFX_XMLInstruction>(m_ws1);
+ }
+ case FX_XmlSyntaxResult::TargetName: {
+ WideString target_name = GetTextData();
+ if (target_name == L"originalXFAVersion" || target_name == L"acrobat") {
+ auto child = pdfium::MakeUnique<CFX_XMLInstruction>(target_name);
m_pChild = child.get();
m_pParent->AppendChild(std::move(child));
} else {
m_pChild = nullptr;
}
- m_ws1.clear();
break;
+ }
case FX_XmlSyntaxResult::TagName: {
- m_ws1 = GetTextData();
- auto child = pdfium::MakeUnique<CFX_XMLElement>(m_ws1);
+ auto child = pdfium::MakeUnique<CFX_XMLElement>(GetTextData());
m_pChild = child.get();
m_pParent->AppendChild(std::move(child));
m_NodeStack.push(m_pChild);
m_pParent = m_pChild;
break;
}
- case FX_XmlSyntaxResult::AttriName:
- m_ws1 = GetTextData();
+ case FX_XmlSyntaxResult::AttriName: {
+ current_attribute_name_ = GetTextData();
break;
+ }
case FX_XmlSyntaxResult::AttriValue:
if (m_pChild && m_pChild->GetType() == FX_XMLNODE_Element) {
- static_cast<CFX_XMLElement*>(m_pChild)->SetAttribute(m_ws1,
- GetTextData());
+ static_cast<CFX_XMLElement*>(m_pChild)->SetAttribute(
+ current_attribute_name_, GetTextData());
}
- m_ws1.clear();
+ current_attribute_name_.clear();
break;
case FX_XmlSyntaxResult::Text: {
- m_ws1 = GetTextData();
- auto child = pdfium::MakeUnique<CFX_XMLText>(m_ws1);
+ auto child = pdfium::MakeUnique<CFX_XMLText>(GetTextData());
m_pChild = child.get();
m_pParent->AppendChild(std::move(child));
m_pChild = m_pParent;
break;
}
case FX_XmlSyntaxResult::CData: {
- m_ws1 = GetTextData();
- auto child = pdfium::MakeUnique<CFX_XMLCharData>(m_ws1);
+ auto child = pdfium::MakeUnique<CFX_XMLCharData>(GetTextData());
m_pChild = child.get();
m_pParent->AppendChild(std::move(child));
m_pChild = m_pParent;
break;
}
- case FX_XmlSyntaxResult::TargetData:
+ case FX_XmlSyntaxResult::TargetData: {
+ WideString target_data = GetTextData();
if (m_pChild) {
if (m_pChild->GetType() != FX_XMLNODE_Instruction)
return false;
auto* instruction = static_cast<CFX_XMLInstruction*>(m_pChild);
- if (!m_ws1.IsEmpty())
- instruction->AppendData(m_ws1);
+ if (!target_data.IsEmpty())
+ instruction->AppendData(target_data);
instruction->AppendData(GetTextData());
}
- m_ws1.clear();
break;
+ }
case FX_XmlSyntaxResult::ElementOpen:
case FX_XmlSyntaxResult::ElementBreak:
case FX_XmlSyntaxResult::InstructionOpen:
@@ -226,12 +224,7 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
switch (m_syntaxParserState) {
case FDE_XmlSyntaxState::Text:
if (ch == L'<') {
- if (!m_BlockBuffer.IsEmpty()) {
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- m_iEntityStart = -1;
+ if (!current_text_.empty()) {
syntaxParserResult = FX_XmlSyntaxResult::Text;
} else {
m_Start++;
@@ -263,16 +256,12 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
break;
case FDE_XmlSyntaxState::Target:
case FDE_XmlSyntaxState::Tag:
- if (!IsXMLNameChar(ch, m_BlockBuffer.IsEmpty())) {
- if (m_BlockBuffer.IsEmpty()) {
+ if (!IsXMLNameChar(ch, current_text_.empty())) {
+ if (current_text_.empty()) {
m_syntaxParserResult = FX_XmlSyntaxResult::Error;
return m_syntaxParserResult;
}
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
if (m_syntaxParserState != FDE_XmlSyntaxState::Target)
syntaxParserResult = FX_XmlSyntaxResult::TagName;
else
@@ -280,24 +269,17 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
m_syntaxParserState = FDE_XmlSyntaxState::AttriName;
} else {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return FX_XmlSyntaxResult::Error;
- }
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
+ current_text_.push_back(ch);
m_Start++;
}
break;
case FDE_XmlSyntaxState::AttriName:
- if (m_BlockBuffer.IsEmpty() && IsXMLWhiteSpace(ch)) {
+ if (current_text_.empty() && IsXMLWhiteSpace(ch)) {
m_Start++;
break;
}
- if (!IsXMLNameChar(ch, m_BlockBuffer.IsEmpty())) {
- if (m_BlockBuffer.IsEmpty()) {
+ if (!IsXMLNameChar(ch, current_text_.empty())) {
+ if (current_text_.empty()) {
if (m_CurNodeType == FX_XMLNODE_Element) {
if (ch == L'>' || ch == L'/') {
m_syntaxParserState = FDE_XmlSyntaxState::BreakElement;
@@ -321,22 +303,11 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
break;
}
}
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_syntaxParserState = FDE_XmlSyntaxState::AttriEqualSign;
syntaxParserResult = FX_XmlSyntaxResult::AttriName;
}
} else {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return FX_XmlSyntaxResult::Error;
- }
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
+ current_text_.push_back(ch);
m_Start++;
}
break;
@@ -377,11 +348,7 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
m_syntaxParserResult = FX_XmlSyntaxResult::Error;
return m_syntaxParserResult;
}
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
m_wQuotationMark = 0;
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_Start++;
m_syntaxParserState = FDE_XmlSyntaxState::AttriName;
syntaxParserResult = FX_XmlSyntaxResult::AttriValue;
@@ -391,21 +358,9 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
break;
case FDE_XmlSyntaxState::CloseInstruction:
if (ch != L'>') {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return FX_XmlSyntaxResult::Error;
- }
-
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
+ current_text_.push_back(ch);
m_syntaxParserState = FDE_XmlSyntaxState::TargetData;
- } else if (!m_BlockBuffer.IsEmpty()) {
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
+ } else if (!current_text_.empty()) {
syntaxParserResult = FX_XmlSyntaxResult::TargetData;
} else {
m_Start++;
@@ -420,9 +375,6 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
else
m_CurNodeType = FX_XMLNODE_Unknown;
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_syntaxParserState = FDE_XmlSyntaxState::Text;
syntaxParserResult = FX_XmlSyntaxResult::InstructionClose;
}
@@ -440,7 +392,7 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
m_Start++;
break;
case FDE_XmlSyntaxState::CloseElement:
- if (!IsXMLNameChar(ch, m_BlockBuffer.IsEmpty())) {
+ if (!IsXMLNameChar(ch, current_text_.empty())) {
if (ch == L'>') {
if (m_XMLNodeTypeStack.empty()) {
m_syntaxParserResult = FX_XmlSyntaxResult::Error;
@@ -453,10 +405,6 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
else
m_CurNodeType = FX_XMLNODE_Unknown;
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_syntaxParserState = FDE_XmlSyntaxState::Text;
syntaxParserResult = FX_XmlSyntaxResult::ElementClose;
} else if (!IsXMLWhiteSpace(ch)) {
@@ -464,14 +412,7 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
return m_syntaxParserResult;
}
} else {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return FX_XmlSyntaxResult::Error;
- }
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
+ current_text_.push_back(ch);
}
m_Start++;
break;
@@ -493,20 +434,9 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
if (FXSYS_wcsnicmp(m_Buffer.data() + m_Start, L"]]>", 3) == 0) {
m_Start += 3;
syntaxParserResult = FX_XmlSyntaxResult::CData;
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_syntaxParserState = FDE_XmlSyntaxState::Text;
} else {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return FX_XmlSyntaxResult::Error;
- }
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
+ current_text_.push_back(ch);
m_Start++;
}
break;
@@ -548,10 +478,6 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
if (ch == m_SkipChar) {
m_SkipStack.pop();
if (m_SkipStack.empty()) {
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_syntaxParserState = FDE_XmlSyntaxState::Text;
} else {
m_SkipChar = m_SkipStack.top();
@@ -559,17 +485,6 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
}
break;
}
- if (!m_SkipStack.empty()) {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock) {
- return FX_XmlSyntaxResult::Error;
- }
- }
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
- }
m_Start++;
}
break;
@@ -583,16 +498,12 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
break;
case FDE_XmlSyntaxState::TargetData:
if (IsXMLWhiteSpace(ch)) {
- if (m_BlockBuffer.IsEmpty()) {
+ if (current_text_.empty()) {
m_Start++;
break;
}
if (m_wQuotationMark == 0) {
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
m_wQuotationMark = 0;
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_Start++;
syntaxParserResult = FX_XmlSyntaxResult::TargetData;
break;
@@ -606,11 +517,7 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
m_wQuotationMark = ch;
m_Start++;
} else if (ch == m_wQuotationMark) {
- m_iTextDataLength = m_BlockBuffer.GetDataLength();
m_wQuotationMark = 0;
- m_BlockBuffer.Reset(true);
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
m_Start++;
syntaxParserResult = FX_XmlSyntaxResult::TargetData;
} else {
@@ -618,14 +525,7 @@ FX_XmlSyntaxResult CFX_XMLParser::DoSyntaxParse() {
return m_syntaxParserResult;
}
} else {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return FX_XmlSyntaxResult::Error;
- }
- m_pCurrentBlock[m_iIndexInBlock++] = ch;
- m_BlockBuffer.IncrementDataLength();
+ current_text_.push_back(ch);
m_Start++;
}
break;
@@ -644,19 +544,17 @@ bool CFX_XMLParser::GetStatus() const {
}
void CFX_XMLParser::ParseTextChar(wchar_t character) {
- if (m_iIndexInBlock == m_BlockBuffer.GetAllocStep()) {
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
- if (!m_pCurrentBlock)
- return;
- }
+ current_text_.push_back(character);
- m_pCurrentBlock[m_iIndexInBlock++] = character;
- m_BlockBuffer.IncrementDataLength();
if (m_iEntityStart > -1 && character == L';') {
- WideString csEntity = m_BlockBuffer.GetTextData(
- m_iEntityStart + 1,
- m_BlockBuffer.GetDataLength() - 1 - m_iEntityStart - 1);
+ // Copy the entity out into a string and remove from the vector. When we
+ // copy the entity we don't want to copy out the & or the ; so we start
+ // shifted by one and want to copy 2 less characters in total.
+ WideString csEntity(current_text_.data() + m_iEntityStart + 1,
+ current_text_.size() - m_iEntityStart - 2);
+ current_text_.erase(current_text_.begin() + m_iEntityStart,
+ current_text_.end());
+
int32_t iLen = csEntity.GetLength();
if (iLen > 0) {
if (csEntity[0] == L'#') {
@@ -678,43 +576,33 @@ void CFX_XMLParser::ParseTextChar(wchar_t character) {
ch = ' ';
character = static_cast<wchar_t>(ch);
- if (character != 0) {
- m_BlockBuffer.SetTextChar(m_iEntityStart, character);
- m_iEntityStart++;
- }
+ if (character != 0)
+ current_text_.push_back(character);
} else {
if (csEntity.Compare(L"amp") == 0) {
- m_BlockBuffer.SetTextChar(m_iEntityStart, L'&');
- m_iEntityStart++;
+ current_text_.push_back(L'&');
} else if (csEntity.Compare(L"lt") == 0) {
- m_BlockBuffer.SetTextChar(m_iEntityStart, L'<');
- m_iEntityStart++;
+ current_text_.push_back(L'<');
} else if (csEntity.Compare(L"gt") == 0) {
- m_BlockBuffer.SetTextChar(m_iEntityStart, L'>');
- m_iEntityStart++;
+ current_text_.push_back(L'>');
} else if (csEntity.Compare(L"apos") == 0) {
- m_BlockBuffer.SetTextChar(m_iEntityStart, L'\'');
- m_iEntityStart++;
+ current_text_.push_back(L'\'');
} else if (csEntity.Compare(L"quot") == 0) {
- m_BlockBuffer.SetTextChar(m_iEntityStart, L'\"');
- m_iEntityStart++;
+ current_text_.push_back(L'"');
}
}
}
- if (m_iEntityStart >= 0 &&
- m_BlockBuffer.GetDataLength() > static_cast<size_t>(m_iEntityStart)) {
- m_BlockBuffer.DeleteTextChars(m_BlockBuffer.GetDataLength() -
- m_iEntityStart);
- }
- std::tie(m_pCurrentBlock, m_iIndexInBlock) =
- m_BlockBuffer.GetAvailableBlock();
+
m_iEntityStart = -1;
} else if (m_iEntityStart < 0 && character == L'&') {
- m_iEntityStart = m_BlockBuffer.GetDataLength() - 1;
+ m_iEntityStart = current_text_.size() - 1;
}
m_Start++;
}
-WideString CFX_XMLParser::GetTextData() const {
- return m_BlockBuffer.GetTextData(0, m_iTextDataLength);
+WideString CFX_XMLParser::GetTextData() {
+ WideString ret(current_text_.data(), current_text_.size());
+ current_text_.clear();
+ current_text_.reserve(kCurrentTextReserve);
+ return ret;
}
diff --git a/core/fxcrt/xml/cfx_xmlparser.h b/core/fxcrt/xml/cfx_xmlparser.h
index 503852753f..6121f0c1dc 100644
--- a/core/fxcrt/xml/cfx_xmlparser.h
+++ b/core/fxcrt/xml/cfx_xmlparser.h
@@ -11,7 +11,6 @@
#include <stack>
#include <vector>
-#include "core/fxcrt/cfx_blockbuffer.h"
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/xml/cfx_xmlnode.h"
@@ -50,7 +49,7 @@ class CFX_XMLParser {
protected:
FX_XmlSyntaxResult DoSyntaxParse();
- WideString GetTextData() const;
+ WideString GetTextData();
private:
enum class FDE_XmlSyntaxState {
@@ -81,7 +80,7 @@ class CFX_XMLParser {
CFX_XMLNode* m_pParent;
CFX_XMLNode* m_pChild = nullptr;
- WideString m_ws1;
+ WideString current_attribute_name_;
RetainPtr<IFX_SeekableReadStream> m_pStream;
FX_FILESIZE m_Start = 0; // Start position in m_Buffer
FX_FILESIZE m_End = 0; // End position in m_Buffer
@@ -92,11 +91,8 @@ class CFX_XMLParser {
std::stack<FX_XMLNODETYPE> m_XMLNodeTypeStack;
std::stack<wchar_t> m_SkipStack;
std::vector<wchar_t> m_Buffer;
- CFX_BlockBuffer m_BlockBuffer;
- wchar_t* m_pCurrentBlock = nullptr; // Pointer into CFX_BlockBuffer
- size_t m_iIndexInBlock = 0;
+ std::vector<wchar_t> current_text_;
size_t m_iXMLPlaneSize = 1024;
- int32_t m_iTextDataLength = 0;
int32_t m_iEntityStart = -1;
wchar_t m_wQuotationMark = 0;
wchar_t m_SkipChar = 0;
diff --git a/core/fxcrt/xml/cfx_xmlparser_unittest.cpp b/core/fxcrt/xml/cfx_xmlparser_unittest.cpp
index 0b51c6b88c..790001cc27 100644
--- a/core/fxcrt/xml/cfx_xmlparser_unittest.cpp
+++ b/core/fxcrt/xml/cfx_xmlparser_unittest.cpp
@@ -24,7 +24,7 @@ class CFX_XMLTestParser : public CFX_XMLParser {
~CFX_XMLTestParser() override = default;
FX_XmlSyntaxResult DoSyntaxParse() { return CFX_XMLParser::DoSyntaxParse(); }
- WideString GetTextData() const { return CFX_XMLParser::GetTextData(); }
+ WideString GetTextData() { return CFX_XMLParser::GetTextData(); }
};
RetainPtr<CFX_MemoryStream> MakeProxy(const char* input) {