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Unified Diff: xfa/src/fgas/src/xml/fx_sax_imp.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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Index: xfa/src/fgas/src/xml/fx_sax_imp.cpp
diff --git a/xfa/src/fgas/src/xml/fx_sax_imp.cpp b/xfa/src/fgas/src/xml/fx_sax_imp.cpp
index 6b3cc778ab0af7842888a1b850b0a95c117bd670..bb1602ca7264b11d5f0dbeb1e2729ed0a719f70c 100644
--- a/xfa/src/fgas/src/xml/fx_sax_imp.cpp
+++ b/xfa/src/fgas/src/xml/fx_sax_imp.cpp
@@ -1,689 +1,689 @@
-// 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 <algorithm>
-
-#include "xfa/src/fgas/src/fgas_base.h"
-#include "fx_sax_imp.h"
-
-namespace {
-
-const FX_DWORD kSaxFileBufSize = 32768;
-
-} // namespace
-
-IFX_SAXReader* FX_SAXReader_Create() {
- return new CFX_SAXReader;
-}
-CFX_SAXFile::CFX_SAXFile()
- : m_pFile(NULL),
- m_dwStart(0),
- m_dwEnd(0),
- m_dwCur(0),
- m_pBuf(NULL),
- m_dwBufSize(0),
- m_dwBufIndex(0) {}
-FX_BOOL CFX_SAXFile::StartFile(IFX_FileRead* pFile,
- FX_DWORD dwStart,
- FX_DWORD dwLen) {
- FXSYS_assert(m_pFile == NULL && pFile != NULL);
- FX_DWORD dwSize = pFile->GetSize();
- if (dwStart >= dwSize) {
- return FALSE;
- }
- if (dwLen == -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;
-}
-FX_BOOL CFX_SAXFile::ReadNextBlock() {
- FXSYS_assert(m_pFile != NULL);
- FX_DWORD 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 = NULL;
- }
- m_pFile = NULL;
-}
-CFX_SAXReader::CFX_SAXReader()
- : m_File(),
- m_pHandler(nullptr),
- m_iState(-1),
- m_pRoot(nullptr),
- m_pCurItem(nullptr),
- m_dwItemID(0),
- m_iDataSize(256),
- m_iNameSize(256),
- m_dwParseMode(0),
- m_pCommentContext(nullptr) {
- m_pszData = FX_Alloc(uint8_t, m_iDataSize);
- m_pszName = FX_Alloc(uint8_t, m_iNameSize);
-}
-CFX_SAXReader::~CFX_SAXReader() {
- Reset();
- if (m_pszData) {
- FX_Free(m_pszData);
- m_pszData = NULL;
- }
- if (m_pszName) {
- FX_Free(m_pszName);
- m_pszName = NULL;
- }
-}
-void CFX_SAXReader::Reset() {
- m_File.Reset();
- CFX_SAXItem* pItem = m_pRoot;
- while (pItem) {
- CFX_SAXItem* pNext = pItem->m_pNext;
- delete pItem;
- pItem = pNext;
- }
- m_pRoot = NULL;
- m_pCurItem = NULL;
- m_dwItemID = 0;
- m_SkipStack.RemoveAll();
- m_SkipChar = 0;
- m_iDataLength = 0;
- m_iEntityStart = -1;
- m_iNameLength = 0;
- m_iDataPos = 0;
- if (m_pCommentContext) {
- delete m_pCommentContext;
- m_pCommentContext = NULL;
- }
-}
-inline void CFX_SAXReader::Push() {
- CFX_SAXItem* pNew = new CFX_SAXItem;
- pNew->m_dwID = ++m_dwItemID;
- pNew->m_bSkip = m_pCurItem->m_bSkip;
- pNew->m_pPrev = m_pCurItem;
- m_pCurItem->m_pNext = pNew;
- m_pCurItem = pNew;
-}
-inline void CFX_SAXReader::Pop() {
- if (!m_pCurItem) {
- return;
- }
- CFX_SAXItem* pPrev = m_pCurItem->m_pPrev;
- pPrev->m_pNext = NULL;
- delete m_pCurItem;
- m_pCurItem = pPrev;
-}
-inline void CFX_SAXReader::AppendData(uint8_t ch) {
- ReallocDataBuffer();
- m_pszData[m_iDataPos++] = ch;
-}
-inline void CFX_SAXReader::AppendName(uint8_t ch) {
- ReallocNameBuffer();
- m_pszName[m_iDataPos++] = ch;
-}
-void CFX_SAXReader::ReallocDataBuffer() {
- if (m_iDataPos < m_iDataSize) {
- return;
- }
- if (m_iDataSize <= 1024 * 1024) {
- m_iDataSize *= 2;
- } else {
- m_iDataSize += 1024 * 1024;
- }
- m_pszData = (uint8_t*)FX_Realloc(uint8_t, m_pszData, m_iDataSize);
-}
-void CFX_SAXReader::ReallocNameBuffer() {
- if (m_iDataPos < m_iNameSize) {
- return;
- }
- if (m_iNameSize <= 1024 * 1024) {
- m_iNameSize *= 2;
- } else {
- m_iNameSize += 1024 * 1024;
- }
- m_pszName = (uint8_t*)FX_Realloc(uint8_t, m_pszName, m_iNameSize);
-}
-inline FX_BOOL CFX_SAXReader::SkipSpace(uint8_t ch) {
- return (m_dwParseMode & FX_SAXPARSEMODE_NotSkipSpace) == 0 && ch < 0x21;
-}
-int32_t CFX_SAXReader::StartParse(IFX_FileRead* pFile,
- FX_DWORD dwStart,
- FX_DWORD dwLen,
- FX_DWORD dwParseMode) {
- m_iState = -1;
- Reset();
- if (!m_File.StartFile(pFile, dwStart, dwLen)) {
- return -1;
- }
- m_iState = 0;
- m_eMode = FX_SAXMODE_Text;
- m_ePrevMode = FX_SAXMODE_Text;
- m_bCharData = FALSE;
- m_dwDataOffset = 0;
- m_pRoot = m_pCurItem = new CFX_SAXItem;
- m_pCurItem->m_dwID = ++m_dwItemID;
- m_dwParseMode = dwParseMode;
- return 0;
-}
-typedef void (CFX_SAXReader::*FX_SAXReader_LPFParse)();
-static const FX_SAXReader_LPFParse g_FX_SAXReader_LPFParse[FX_SAXMODE_MAX] = {
- &CFX_SAXReader::ParseText,
- &CFX_SAXReader::ParseNodeStart,
- &CFX_SAXReader::ParseDeclOrComment,
- &CFX_SAXReader::ParseDeclNode,
- &CFX_SAXReader::ParseComment,
- &CFX_SAXReader::ParseCommentContent,
- &CFX_SAXReader::ParseTagName,
- &CFX_SAXReader::ParseTagAttributeName,
- &CFX_SAXReader::ParseTagAttributeEqual,
- &CFX_SAXReader::ParseTagAttributeValue,
- &CFX_SAXReader::ParseMaybeClose,
- &CFX_SAXReader::ParseTagClose,
- &CFX_SAXReader::ParseTagEnd,
- &CFX_SAXReader::ParseTargetData,
-};
-int32_t CFX_SAXReader::ContinueParse(IFX_Pause* pPause) {
- if (m_iState < 0 || m_iState > 99) {
- return m_iState;
- }
- while (m_File.m_dwCur < m_File.m_dwEnd) {
- FX_DWORD& index = m_File.m_dwBufIndex;
- FX_DWORD size = m_File.m_dwBufSize;
- const uint8_t* pBuf = m_File.m_pBuf;
- while (index < size) {
- m_CurByte = pBuf[index];
- (this->*g_FX_SAXReader_LPFParse[m_eMode])();
- 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;
- if (pPause && pPause->NeedToPauseNow()) {
- break;
- }
- }
- return m_iState;
-}
-void CFX_SAXReader::ParseChar(uint8_t ch) {
- ReallocDataBuffer();
- m_pszData[m_iDataPos] = ch;
- if (m_iEntityStart > -1 && ch == ';') {
- int32_t iSaveEntityStart = m_iEntityStart;
- CFX_ByteString csEntity(m_pszData + m_iEntityStart + 1,
- m_iDataPos - m_iEntityStart - 1);
- int32_t iLen = csEntity.GetLength();
- if (iLen > 0) {
- if (csEntity[0] == '#') {
- if ((m_dwParseMode & FX_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) {
- m_pszData[m_iEntityStart++] = ch;
- }
- }
- } else {
- if (csEntity.Compare("amp") == 0) {
- if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_amp) == 0) {
- m_pszData[m_iEntityStart++] = '&';
- }
- } else if (csEntity.Compare("lt") == 0) {
- if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_lt) == 0) {
- m_pszData[m_iEntityStart++] = '<';
- }
- } else if (csEntity.Compare("gt") == 0) {
- if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_gt) == 0) {
- m_pszData[m_iEntityStart++] = '>';
- }
- } else if (csEntity.Compare("apos") == 0) {
- if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_apos) == 0) {
- m_pszData[m_iEntityStart++] = '\'';
- }
- } else if (csEntity.Compare("quot") == 0) {
- if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_quot) == 0) {
- m_pszData[m_iEntityStart++] = '\"';
- }
- }
- }
- }
- if (iSaveEntityStart != m_iEntityStart) {
- m_iDataPos = m_iEntityStart;
- m_iEntityStart = -1;
- } else {
- m_iDataPos++;
- m_iEntityStart = -1;
- }
- } else {
- if (m_iEntityStart < 0 && ch == '&') {
- m_iEntityStart = m_iDataPos;
- }
- m_iDataPos++;
- }
-}
-void CFX_SAXReader::ParseText() {
- if (m_CurByte == '<') {
- if (m_iDataPos > 0) {
- m_iDataLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_pHandler) {
- NotifyData();
- }
- }
- Push();
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- m_eMode = FX_SAXMODE_NodeStart;
- return;
- }
- if (m_iDataPos < 1 && SkipSpace(m_CurByte)) {
- return;
- }
- ParseChar(m_CurByte);
-}
-void CFX_SAXReader::ParseNodeStart() {
- if (m_CurByte == '?') {
- m_pCurItem->m_eNode = FX_SAXNODE_Instruction;
- m_eMode = FX_SAXMODE_TagName;
- return;
- }
- if (m_CurByte == '!') {
- m_eMode = FX_SAXMODE_DeclOrComment;
- return;
- }
- if (m_CurByte == '/') {
- m_eMode = FX_SAXMODE_TagEnd;
- return;
- }
- if (m_CurByte == '>') {
- Pop();
- m_eMode = FX_SAXMODE_Text;
- return;
- }
- if (m_CurByte > 0x20) {
- m_dwDataOffset = m_File.m_dwBufIndex;
- m_pCurItem->m_eNode = FX_SAXNODE_Tag;
- m_eMode = FX_SAXMODE_TagName;
- AppendData(m_CurByte);
- }
-}
-void CFX_SAXReader::ParseDeclOrComment() {
- if (m_CurByte == '-') {
- m_eMode = FX_SAXMODE_Comment;
- m_pCurItem->m_eNode = FX_SAXNODE_Comment;
- if (m_pCommentContext == NULL) {
- m_pCommentContext = new CFX_SAXCommentContext;
- }
- m_pCommentContext->m_iHeaderCount = 1;
- m_pCommentContext->m_iTailCount = 0;
- } else {
- m_eMode = FX_SAXMODE_DeclNode;
- m_dwDataOffset = m_File.m_dwBufIndex;
- m_SkipChar = '>';
- m_SkipStack.Add('>');
- SkipNode();
- }
-}
-void CFX_SAXReader::ParseComment() {
- m_pCommentContext->m_iHeaderCount = 2;
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- m_eMode = FX_SAXMODE_CommentContent;
-}
-void CFX_SAXReader::ParseCommentContent() {
- if (m_CurByte == '-') {
- m_pCommentContext->m_iTailCount++;
- } else if (m_CurByte == '>' && m_pCommentContext->m_iTailCount == 2) {
- m_iDataLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_pHandler) {
- NotifyTargetData();
- }
- Pop();
- m_eMode = FX_SAXMODE_Text;
- } else {
- while (m_pCommentContext->m_iTailCount > 0) {
- AppendData('-');
- m_pCommentContext->m_iTailCount--;
- }
- AppendData(m_CurByte);
- }
-}
-void CFX_SAXReader::ParseDeclNode() {
- SkipNode();
-}
-void CFX_SAXReader::ParseTagName() {
- if (m_CurByte < 0x21 || m_CurByte == '/' || m_CurByte == '>' ||
- m_CurByte == '?') {
- m_iDataLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_pHandler) {
- NotifyEnter();
- }
- if (m_CurByte < 0x21) {
- m_eMode = FX_SAXMODE_TagAttributeName;
- } else if (m_CurByte == '/' || m_CurByte == '?') {
- m_ePrevMode = m_eMode;
- m_eMode = FX_SAXMODE_TagMaybeClose;
- } else {
- if (m_pHandler) {
- NotifyBreak();
- }
- m_eMode = FX_SAXMODE_Text;
- }
- } else {
- AppendData(m_CurByte);
- }
-}
-void CFX_SAXReader::ParseTagAttributeName() {
- if (m_CurByte < 0x21 || m_CurByte == '=') {
- if (m_iDataPos < 1 && m_CurByte < 0x21) {
- return;
- }
- m_iNameLength = m_iDataPos;
- m_iDataPos = 0;
- m_SkipChar = 0;
- m_eMode = m_CurByte == '=' ? FX_SAXMODE_TagAttributeValue
- : FX_SAXMODE_TagAttributeEqual;
- return;
- }
- if (m_CurByte == '/' || m_CurByte == '>' || m_CurByte == '?') {
- if (m_CurByte == '/' || m_CurByte == '?') {
- m_ePrevMode = m_eMode;
- m_eMode = FX_SAXMODE_TagMaybeClose;
- } else {
- if (m_pHandler) {
- NotifyBreak();
- }
- m_eMode = FX_SAXMODE_Text;
- }
- return;
- }
- if (m_iDataPos < 1) {
- m_dwDataOffset = m_File.m_dwBufIndex;
- }
- AppendName(m_CurByte);
-}
-void CFX_SAXReader::ParseTagAttributeEqual() {
- if (m_CurByte == '=') {
- m_SkipChar = 0;
- m_eMode = FX_SAXMODE_TagAttributeValue;
- return;
- } else if (m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
- m_iDataPos = m_iNameLength;
- AppendName(0x20);
- m_eMode = FX_SAXMODE_TargetData;
- ParseTargetData();
- }
-}
-void CFX_SAXReader::ParseTagAttributeValue() {
- if (m_SkipChar) {
- if (m_SkipChar == m_CurByte) {
- {
- m_iDataLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_pHandler) {
- NotifyAttribute();
- }
- }
- m_SkipChar = 0;
- m_eMode = FX_SAXMODE_TagAttributeName;
- return;
- }
- ParseChar(m_CurByte);
- return;
- }
- if (m_CurByte < 0x21) {
- return;
- }
- if (m_iDataPos < 1) {
- if (m_CurByte == '\'' || m_CurByte == '\"') {
- m_SkipChar = m_CurByte;
- }
- }
-}
-void CFX_SAXReader::ParseMaybeClose() {
- if (m_CurByte == '>') {
- if (m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
- m_iNameLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_pHandler) {
- NotifyTargetData();
- }
- }
- ParseTagClose();
- m_eMode = FX_SAXMODE_Text;
- } else if (m_ePrevMode == FX_SAXMODE_TagName) {
- AppendData('/');
- m_eMode = FX_SAXMODE_TagName;
- m_ePrevMode = FX_SAXMODE_Text;
- ParseTagName();
- } else if (m_ePrevMode == FX_SAXMODE_TagAttributeName) {
- AppendName('/');
- m_eMode = FX_SAXMODE_TagAttributeName;
- m_ePrevMode = FX_SAXMODE_Text;
- ParseTagAttributeName();
- } else if (m_ePrevMode == FX_SAXMODE_TargetData) {
- AppendName('?');
- m_eMode = FX_SAXMODE_TargetData;
- m_ePrevMode = FX_SAXMODE_Text;
- ParseTargetData();
- }
-}
-void CFX_SAXReader::ParseTagClose() {
- m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
- if (m_pHandler) {
- 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;
- m_iDataLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_pHandler) {
- NotifyEnd();
- }
- Pop();
- m_eMode = FX_SAXMODE_Text;
- } else {
- ParseChar(m_CurByte);
- }
-}
-void CFX_SAXReader::ParseTargetData() {
- if (m_CurByte == '?') {
- m_ePrevMode = m_eMode;
- m_eMode = FX_SAXMODE_TagMaybeClose;
- } else {
- AppendName(m_CurByte);
- }
-}
-void CFX_SAXReader::SkipNode() {
- int32_t iLen = m_SkipStack.GetSize();
- if (m_SkipChar == '\'' || m_SkipChar == '\"') {
- if (m_CurByte != m_SkipChar) {
- return;
- }
- iLen--;
- FXSYS_assert(iLen > -1);
- m_SkipStack.RemoveAt(iLen, 1);
- m_SkipChar = iLen ? m_SkipStack[iLen - 1] : 0;
- return;
- }
- switch (m_CurByte) {
- case '<':
- m_SkipChar = '>';
- m_SkipStack.Add('>');
- break;
- case '[':
- m_SkipChar = ']';
- m_SkipStack.Add(']');
- break;
- case '(':
- m_SkipChar = ')';
- m_SkipStack.Add(')');
- break;
- case '\'':
- m_SkipChar = '\'';
- m_SkipStack.Add('\'');
- break;
- case '\"':
- m_SkipChar = '\"';
- m_SkipStack.Add('\"');
- break;
- default:
- if (m_CurByte == m_SkipChar) {
- iLen--;
- m_SkipStack.RemoveAt(iLen, 1);
- m_SkipChar = iLen ? m_SkipStack[iLen - 1] : 0;
- if (iLen == 0 && m_CurByte == '>') {
- m_iDataLength = m_iDataPos;
- m_iDataPos = 0;
- if (m_iDataLength >= 9 &&
- FXSYS_memcmp(m_pszData, "[CDATA[", 7 * sizeof(uint8_t)) == 0 &&
- FXSYS_memcmp(m_pszData + m_iDataLength - 2, "]]",
- 2 * sizeof(uint8_t)) == 0) {
- Pop();
- m_iDataLength -= 9;
- m_dwDataOffset += 7;
- FXSYS_memmove(m_pszData, m_pszData + 7,
- m_iDataLength * sizeof(uint8_t));
- m_bCharData = TRUE;
- if (m_pHandler) {
- NotifyData();
- }
- m_bCharData = FALSE;
- } else {
- Pop();
- }
- m_eMode = FX_SAXMODE_Text;
- }
- }
- break;
- }
- if (iLen > 0) {
- ParseChar(m_CurByte);
- }
-}
-void CFX_SAXReader::NotifyData() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Tag)
- m_pHandler->OnTagData(m_pCurItem->m_pNode,
- m_bCharData ? FX_SAXNODE_CharData : FX_SAXNODE_Text,
- CFX_ByteStringC(m_pszData, m_iDataLength),
- m_File.m_dwCur + m_dwDataOffset);
-}
-void CFX_SAXReader::NotifyEnter() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Tag ||
- m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
- m_pCurItem->m_pNode =
- m_pHandler->OnTagEnter(CFX_ByteStringC(m_pszData, m_iDataLength),
- m_pCurItem->m_eNode, m_dwNodePos);
- }
-}
-void CFX_SAXReader::NotifyAttribute() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Tag ||
- m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
- m_pHandler->OnTagAttribute(m_pCurItem->m_pNode,
- CFX_ByteStringC(m_pszName, m_iNameLength),
- CFX_ByteStringC(m_pszData, m_iDataLength));
- }
-}
-void CFX_SAXReader::NotifyBreak() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Tag) {
- m_pHandler->OnTagBreak(m_pCurItem->m_pNode);
- }
-}
-void CFX_SAXReader::NotifyClose() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Tag ||
- m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
- m_pHandler->OnTagClose(m_pCurItem->m_pNode, m_dwNodePos);
- }
-}
-void CFX_SAXReader::NotifyEnd() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Tag) {
- m_pHandler->OnTagEnd(m_pCurItem->m_pNode,
- CFX_ByteStringC(m_pszData, m_iDataLength),
- m_dwNodePos);
- }
-}
-void CFX_SAXReader::NotifyTargetData() {
- FXSYS_assert(m_pHandler != NULL);
- if (m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
- m_pHandler->OnTargetData(m_pCurItem->m_pNode, m_pCurItem->m_eNode,
- CFX_ByteStringC(m_pszName, m_iNameLength),
- m_dwNodePos);
- } else if (m_pCurItem->m_eNode == FX_SAXNODE_Comment) {
- m_pHandler->OnTargetData(m_pCurItem->m_pNode, m_pCurItem->m_eNode,
- CFX_ByteStringC(m_pszData, m_iDataLength),
- m_dwNodePos);
- }
-}
-void CFX_SAXReader::SkipCurrentNode() {
- if (!m_pCurItem) {
- return;
- }
- m_pCurItem->m_bSkip = TRUE;
-}
-void CFX_SAXReader::SetHandler(IFX_SAXReaderHandler* pHandler) {
- m_pHandler = pHandler;
-}
+// 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 <algorithm>
+
+#include "xfa/src/fgas/src/fgas_base.h"
+#include "fx_sax_imp.h"
+
+namespace {
+
+const FX_DWORD kSaxFileBufSize = 32768;
+
+} // namespace
+
+IFX_SAXReader* FX_SAXReader_Create() {
+ return new CFX_SAXReader;
+}
+CFX_SAXFile::CFX_SAXFile()
+ : m_pFile(NULL),
+ m_dwStart(0),
+ m_dwEnd(0),
+ m_dwCur(0),
+ m_pBuf(NULL),
+ m_dwBufSize(0),
+ m_dwBufIndex(0) {}
+FX_BOOL CFX_SAXFile::StartFile(IFX_FileRead* pFile,
+ FX_DWORD dwStart,
+ FX_DWORD dwLen) {
+ FXSYS_assert(m_pFile == NULL && pFile != NULL);
+ FX_DWORD dwSize = pFile->GetSize();
+ if (dwStart >= dwSize) {
+ return FALSE;
+ }
+ if (dwLen == -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;
+}
+FX_BOOL CFX_SAXFile::ReadNextBlock() {
+ FXSYS_assert(m_pFile != NULL);
+ FX_DWORD 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 = NULL;
+ }
+ m_pFile = NULL;
+}
+CFX_SAXReader::CFX_SAXReader()
+ : m_File(),
+ m_pHandler(nullptr),
+ m_iState(-1),
+ m_pRoot(nullptr),
+ m_pCurItem(nullptr),
+ m_dwItemID(0),
+ m_iDataSize(256),
+ m_iNameSize(256),
+ m_dwParseMode(0),
+ m_pCommentContext(nullptr) {
+ m_pszData = FX_Alloc(uint8_t, m_iDataSize);
+ m_pszName = FX_Alloc(uint8_t, m_iNameSize);
+}
+CFX_SAXReader::~CFX_SAXReader() {
+ Reset();
+ if (m_pszData) {
+ FX_Free(m_pszData);
+ m_pszData = NULL;
+ }
+ if (m_pszName) {
+ FX_Free(m_pszName);
+ m_pszName = NULL;
+ }
+}
+void CFX_SAXReader::Reset() {
+ m_File.Reset();
+ CFX_SAXItem* pItem = m_pRoot;
+ while (pItem) {
+ CFX_SAXItem* pNext = pItem->m_pNext;
+ delete pItem;
+ pItem = pNext;
+ }
+ m_pRoot = NULL;
+ m_pCurItem = NULL;
+ m_dwItemID = 0;
+ m_SkipStack.RemoveAll();
+ m_SkipChar = 0;
+ m_iDataLength = 0;
+ m_iEntityStart = -1;
+ m_iNameLength = 0;
+ m_iDataPos = 0;
+ if (m_pCommentContext) {
+ delete m_pCommentContext;
+ m_pCommentContext = NULL;
+ }
+}
+inline void CFX_SAXReader::Push() {
+ CFX_SAXItem* pNew = new CFX_SAXItem;
+ pNew->m_dwID = ++m_dwItemID;
+ pNew->m_bSkip = m_pCurItem->m_bSkip;
+ pNew->m_pPrev = m_pCurItem;
+ m_pCurItem->m_pNext = pNew;
+ m_pCurItem = pNew;
+}
+inline void CFX_SAXReader::Pop() {
+ if (!m_pCurItem) {
+ return;
+ }
+ CFX_SAXItem* pPrev = m_pCurItem->m_pPrev;
+ pPrev->m_pNext = NULL;
+ delete m_pCurItem;
+ m_pCurItem = pPrev;
+}
+inline void CFX_SAXReader::AppendData(uint8_t ch) {
+ ReallocDataBuffer();
+ m_pszData[m_iDataPos++] = ch;
+}
+inline void CFX_SAXReader::AppendName(uint8_t ch) {
+ ReallocNameBuffer();
+ m_pszName[m_iDataPos++] = ch;
+}
+void CFX_SAXReader::ReallocDataBuffer() {
+ if (m_iDataPos < m_iDataSize) {
+ return;
+ }
+ if (m_iDataSize <= 1024 * 1024) {
+ m_iDataSize *= 2;
+ } else {
+ m_iDataSize += 1024 * 1024;
+ }
+ m_pszData = (uint8_t*)FX_Realloc(uint8_t, m_pszData, m_iDataSize);
+}
+void CFX_SAXReader::ReallocNameBuffer() {
+ if (m_iDataPos < m_iNameSize) {
+ return;
+ }
+ if (m_iNameSize <= 1024 * 1024) {
+ m_iNameSize *= 2;
+ } else {
+ m_iNameSize += 1024 * 1024;
+ }
+ m_pszName = (uint8_t*)FX_Realloc(uint8_t, m_pszName, m_iNameSize);
+}
+inline FX_BOOL CFX_SAXReader::SkipSpace(uint8_t ch) {
+ return (m_dwParseMode & FX_SAXPARSEMODE_NotSkipSpace) == 0 && ch < 0x21;
+}
+int32_t CFX_SAXReader::StartParse(IFX_FileRead* pFile,
+ FX_DWORD dwStart,
+ FX_DWORD dwLen,
+ FX_DWORD dwParseMode) {
+ m_iState = -1;
+ Reset();
+ if (!m_File.StartFile(pFile, dwStart, dwLen)) {
+ return -1;
+ }
+ m_iState = 0;
+ m_eMode = FX_SAXMODE_Text;
+ m_ePrevMode = FX_SAXMODE_Text;
+ m_bCharData = FALSE;
+ m_dwDataOffset = 0;
+ m_pRoot = m_pCurItem = new CFX_SAXItem;
+ m_pCurItem->m_dwID = ++m_dwItemID;
+ m_dwParseMode = dwParseMode;
+ return 0;
+}
+typedef void (CFX_SAXReader::*FX_SAXReader_LPFParse)();
+static const FX_SAXReader_LPFParse g_FX_SAXReader_LPFParse[FX_SAXMODE_MAX] = {
+ &CFX_SAXReader::ParseText,
+ &CFX_SAXReader::ParseNodeStart,
+ &CFX_SAXReader::ParseDeclOrComment,
+ &CFX_SAXReader::ParseDeclNode,
+ &CFX_SAXReader::ParseComment,
+ &CFX_SAXReader::ParseCommentContent,
+ &CFX_SAXReader::ParseTagName,
+ &CFX_SAXReader::ParseTagAttributeName,
+ &CFX_SAXReader::ParseTagAttributeEqual,
+ &CFX_SAXReader::ParseTagAttributeValue,
+ &CFX_SAXReader::ParseMaybeClose,
+ &CFX_SAXReader::ParseTagClose,
+ &CFX_SAXReader::ParseTagEnd,
+ &CFX_SAXReader::ParseTargetData,
+};
+int32_t CFX_SAXReader::ContinueParse(IFX_Pause* pPause) {
+ if (m_iState < 0 || m_iState > 99) {
+ return m_iState;
+ }
+ while (m_File.m_dwCur < m_File.m_dwEnd) {
+ FX_DWORD& index = m_File.m_dwBufIndex;
+ FX_DWORD size = m_File.m_dwBufSize;
+ const uint8_t* pBuf = m_File.m_pBuf;
+ while (index < size) {
+ m_CurByte = pBuf[index];
+ (this->*g_FX_SAXReader_LPFParse[m_eMode])();
+ 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;
+ if (pPause && pPause->NeedToPauseNow()) {
+ break;
+ }
+ }
+ return m_iState;
+}
+void CFX_SAXReader::ParseChar(uint8_t ch) {
+ ReallocDataBuffer();
+ m_pszData[m_iDataPos] = ch;
+ if (m_iEntityStart > -1 && ch == ';') {
+ int32_t iSaveEntityStart = m_iEntityStart;
+ CFX_ByteString csEntity(m_pszData + m_iEntityStart + 1,
+ m_iDataPos - m_iEntityStart - 1);
+ int32_t iLen = csEntity.GetLength();
+ if (iLen > 0) {
+ if (csEntity[0] == '#') {
+ if ((m_dwParseMode & FX_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) {
+ m_pszData[m_iEntityStart++] = ch;
+ }
+ }
+ } else {
+ if (csEntity.Compare("amp") == 0) {
+ if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_amp) == 0) {
+ m_pszData[m_iEntityStart++] = '&';
+ }
+ } else if (csEntity.Compare("lt") == 0) {
+ if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_lt) == 0) {
+ m_pszData[m_iEntityStart++] = '<';
+ }
+ } else if (csEntity.Compare("gt") == 0) {
+ if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_gt) == 0) {
+ m_pszData[m_iEntityStart++] = '>';
+ }
+ } else if (csEntity.Compare("apos") == 0) {
+ if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_apos) == 0) {
+ m_pszData[m_iEntityStart++] = '\'';
+ }
+ } else if (csEntity.Compare("quot") == 0) {
+ if ((m_dwParseMode & FX_SAXPARSEMODE_NotConvert_quot) == 0) {
+ m_pszData[m_iEntityStart++] = '\"';
+ }
+ }
+ }
+ }
+ if (iSaveEntityStart != m_iEntityStart) {
+ m_iDataPos = m_iEntityStart;
+ m_iEntityStart = -1;
+ } else {
+ m_iDataPos++;
+ m_iEntityStart = -1;
+ }
+ } else {
+ if (m_iEntityStart < 0 && ch == '&') {
+ m_iEntityStart = m_iDataPos;
+ }
+ m_iDataPos++;
+ }
+}
+void CFX_SAXReader::ParseText() {
+ if (m_CurByte == '<') {
+ if (m_iDataPos > 0) {
+ m_iDataLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_pHandler) {
+ NotifyData();
+ }
+ }
+ Push();
+ m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
+ m_eMode = FX_SAXMODE_NodeStart;
+ return;
+ }
+ if (m_iDataPos < 1 && SkipSpace(m_CurByte)) {
+ return;
+ }
+ ParseChar(m_CurByte);
+}
+void CFX_SAXReader::ParseNodeStart() {
+ if (m_CurByte == '?') {
+ m_pCurItem->m_eNode = FX_SAXNODE_Instruction;
+ m_eMode = FX_SAXMODE_TagName;
+ return;
+ }
+ if (m_CurByte == '!') {
+ m_eMode = FX_SAXMODE_DeclOrComment;
+ return;
+ }
+ if (m_CurByte == '/') {
+ m_eMode = FX_SAXMODE_TagEnd;
+ return;
+ }
+ if (m_CurByte == '>') {
+ Pop();
+ m_eMode = FX_SAXMODE_Text;
+ return;
+ }
+ if (m_CurByte > 0x20) {
+ m_dwDataOffset = m_File.m_dwBufIndex;
+ m_pCurItem->m_eNode = FX_SAXNODE_Tag;
+ m_eMode = FX_SAXMODE_TagName;
+ AppendData(m_CurByte);
+ }
+}
+void CFX_SAXReader::ParseDeclOrComment() {
+ if (m_CurByte == '-') {
+ m_eMode = FX_SAXMODE_Comment;
+ m_pCurItem->m_eNode = FX_SAXNODE_Comment;
+ if (m_pCommentContext == NULL) {
+ m_pCommentContext = new CFX_SAXCommentContext;
+ }
+ m_pCommentContext->m_iHeaderCount = 1;
+ m_pCommentContext->m_iTailCount = 0;
+ } else {
+ m_eMode = FX_SAXMODE_DeclNode;
+ m_dwDataOffset = m_File.m_dwBufIndex;
+ m_SkipChar = '>';
+ m_SkipStack.Add('>');
+ SkipNode();
+ }
+}
+void CFX_SAXReader::ParseComment() {
+ m_pCommentContext->m_iHeaderCount = 2;
+ m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
+ m_eMode = FX_SAXMODE_CommentContent;
+}
+void CFX_SAXReader::ParseCommentContent() {
+ if (m_CurByte == '-') {
+ m_pCommentContext->m_iTailCount++;
+ } else if (m_CurByte == '>' && m_pCommentContext->m_iTailCount == 2) {
+ m_iDataLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_pHandler) {
+ NotifyTargetData();
+ }
+ Pop();
+ m_eMode = FX_SAXMODE_Text;
+ } else {
+ while (m_pCommentContext->m_iTailCount > 0) {
+ AppendData('-');
+ m_pCommentContext->m_iTailCount--;
+ }
+ AppendData(m_CurByte);
+ }
+}
+void CFX_SAXReader::ParseDeclNode() {
+ SkipNode();
+}
+void CFX_SAXReader::ParseTagName() {
+ if (m_CurByte < 0x21 || m_CurByte == '/' || m_CurByte == '>' ||
+ m_CurByte == '?') {
+ m_iDataLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_pHandler) {
+ NotifyEnter();
+ }
+ if (m_CurByte < 0x21) {
+ m_eMode = FX_SAXMODE_TagAttributeName;
+ } else if (m_CurByte == '/' || m_CurByte == '?') {
+ m_ePrevMode = m_eMode;
+ m_eMode = FX_SAXMODE_TagMaybeClose;
+ } else {
+ if (m_pHandler) {
+ NotifyBreak();
+ }
+ m_eMode = FX_SAXMODE_Text;
+ }
+ } else {
+ AppendData(m_CurByte);
+ }
+}
+void CFX_SAXReader::ParseTagAttributeName() {
+ if (m_CurByte < 0x21 || m_CurByte == '=') {
+ if (m_iDataPos < 1 && m_CurByte < 0x21) {
+ return;
+ }
+ m_iNameLength = m_iDataPos;
+ m_iDataPos = 0;
+ m_SkipChar = 0;
+ m_eMode = m_CurByte == '=' ? FX_SAXMODE_TagAttributeValue
+ : FX_SAXMODE_TagAttributeEqual;
+ return;
+ }
+ if (m_CurByte == '/' || m_CurByte == '>' || m_CurByte == '?') {
+ if (m_CurByte == '/' || m_CurByte == '?') {
+ m_ePrevMode = m_eMode;
+ m_eMode = FX_SAXMODE_TagMaybeClose;
+ } else {
+ if (m_pHandler) {
+ NotifyBreak();
+ }
+ m_eMode = FX_SAXMODE_Text;
+ }
+ return;
+ }
+ if (m_iDataPos < 1) {
+ m_dwDataOffset = m_File.m_dwBufIndex;
+ }
+ AppendName(m_CurByte);
+}
+void CFX_SAXReader::ParseTagAttributeEqual() {
+ if (m_CurByte == '=') {
+ m_SkipChar = 0;
+ m_eMode = FX_SAXMODE_TagAttributeValue;
+ return;
+ } else if (m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
+ m_iDataPos = m_iNameLength;
+ AppendName(0x20);
+ m_eMode = FX_SAXMODE_TargetData;
+ ParseTargetData();
+ }
+}
+void CFX_SAXReader::ParseTagAttributeValue() {
+ if (m_SkipChar) {
+ if (m_SkipChar == m_CurByte) {
+ {
+ m_iDataLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_pHandler) {
+ NotifyAttribute();
+ }
+ }
+ m_SkipChar = 0;
+ m_eMode = FX_SAXMODE_TagAttributeName;
+ return;
+ }
+ ParseChar(m_CurByte);
+ return;
+ }
+ if (m_CurByte < 0x21) {
+ return;
+ }
+ if (m_iDataPos < 1) {
+ if (m_CurByte == '\'' || m_CurByte == '\"') {
+ m_SkipChar = m_CurByte;
+ }
+ }
+}
+void CFX_SAXReader::ParseMaybeClose() {
+ if (m_CurByte == '>') {
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
+ m_iNameLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_pHandler) {
+ NotifyTargetData();
+ }
+ }
+ ParseTagClose();
+ m_eMode = FX_SAXMODE_Text;
+ } else if (m_ePrevMode == FX_SAXMODE_TagName) {
+ AppendData('/');
+ m_eMode = FX_SAXMODE_TagName;
+ m_ePrevMode = FX_SAXMODE_Text;
+ ParseTagName();
+ } else if (m_ePrevMode == FX_SAXMODE_TagAttributeName) {
+ AppendName('/');
+ m_eMode = FX_SAXMODE_TagAttributeName;
+ m_ePrevMode = FX_SAXMODE_Text;
+ ParseTagAttributeName();
+ } else if (m_ePrevMode == FX_SAXMODE_TargetData) {
+ AppendName('?');
+ m_eMode = FX_SAXMODE_TargetData;
+ m_ePrevMode = FX_SAXMODE_Text;
+ ParseTargetData();
+ }
+}
+void CFX_SAXReader::ParseTagClose() {
+ m_dwNodePos = m_File.m_dwCur + m_File.m_dwBufIndex;
+ if (m_pHandler) {
+ 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;
+ m_iDataLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_pHandler) {
+ NotifyEnd();
+ }
+ Pop();
+ m_eMode = FX_SAXMODE_Text;
+ } else {
+ ParseChar(m_CurByte);
+ }
+}
+void CFX_SAXReader::ParseTargetData() {
+ if (m_CurByte == '?') {
+ m_ePrevMode = m_eMode;
+ m_eMode = FX_SAXMODE_TagMaybeClose;
+ } else {
+ AppendName(m_CurByte);
+ }
+}
+void CFX_SAXReader::SkipNode() {
+ int32_t iLen = m_SkipStack.GetSize();
+ if (m_SkipChar == '\'' || m_SkipChar == '\"') {
+ if (m_CurByte != m_SkipChar) {
+ return;
+ }
+ iLen--;
+ FXSYS_assert(iLen > -1);
+ m_SkipStack.RemoveAt(iLen, 1);
+ m_SkipChar = iLen ? m_SkipStack[iLen - 1] : 0;
+ return;
+ }
+ switch (m_CurByte) {
+ case '<':
+ m_SkipChar = '>';
+ m_SkipStack.Add('>');
+ break;
+ case '[':
+ m_SkipChar = ']';
+ m_SkipStack.Add(']');
+ break;
+ case '(':
+ m_SkipChar = ')';
+ m_SkipStack.Add(')');
+ break;
+ case '\'':
+ m_SkipChar = '\'';
+ m_SkipStack.Add('\'');
+ break;
+ case '\"':
+ m_SkipChar = '\"';
+ m_SkipStack.Add('\"');
+ break;
+ default:
+ if (m_CurByte == m_SkipChar) {
+ iLen--;
+ m_SkipStack.RemoveAt(iLen, 1);
+ m_SkipChar = iLen ? m_SkipStack[iLen - 1] : 0;
+ if (iLen == 0 && m_CurByte == '>') {
+ m_iDataLength = m_iDataPos;
+ m_iDataPos = 0;
+ if (m_iDataLength >= 9 &&
+ FXSYS_memcmp(m_pszData, "[CDATA[", 7 * sizeof(uint8_t)) == 0 &&
+ FXSYS_memcmp(m_pszData + m_iDataLength - 2, "]]",
+ 2 * sizeof(uint8_t)) == 0) {
+ Pop();
+ m_iDataLength -= 9;
+ m_dwDataOffset += 7;
+ FXSYS_memmove(m_pszData, m_pszData + 7,
+ m_iDataLength * sizeof(uint8_t));
+ m_bCharData = TRUE;
+ if (m_pHandler) {
+ NotifyData();
+ }
+ m_bCharData = FALSE;
+ } else {
+ Pop();
+ }
+ m_eMode = FX_SAXMODE_Text;
+ }
+ }
+ break;
+ }
+ if (iLen > 0) {
+ ParseChar(m_CurByte);
+ }
+}
+void CFX_SAXReader::NotifyData() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Tag)
+ m_pHandler->OnTagData(m_pCurItem->m_pNode,
+ m_bCharData ? FX_SAXNODE_CharData : FX_SAXNODE_Text,
+ CFX_ByteStringC(m_pszData, m_iDataLength),
+ m_File.m_dwCur + m_dwDataOffset);
+}
+void CFX_SAXReader::NotifyEnter() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Tag ||
+ m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
+ m_pCurItem->m_pNode =
+ m_pHandler->OnTagEnter(CFX_ByteStringC(m_pszData, m_iDataLength),
+ m_pCurItem->m_eNode, m_dwNodePos);
+ }
+}
+void CFX_SAXReader::NotifyAttribute() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Tag ||
+ m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
+ m_pHandler->OnTagAttribute(m_pCurItem->m_pNode,
+ CFX_ByteStringC(m_pszName, m_iNameLength),
+ CFX_ByteStringC(m_pszData, m_iDataLength));
+ }
+}
+void CFX_SAXReader::NotifyBreak() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Tag) {
+ m_pHandler->OnTagBreak(m_pCurItem->m_pNode);
+ }
+}
+void CFX_SAXReader::NotifyClose() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Tag ||
+ m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
+ m_pHandler->OnTagClose(m_pCurItem->m_pNode, m_dwNodePos);
+ }
+}
+void CFX_SAXReader::NotifyEnd() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Tag) {
+ m_pHandler->OnTagEnd(m_pCurItem->m_pNode,
+ CFX_ByteStringC(m_pszData, m_iDataLength),
+ m_dwNodePos);
+ }
+}
+void CFX_SAXReader::NotifyTargetData() {
+ FXSYS_assert(m_pHandler != NULL);
+ if (m_pCurItem->m_eNode == FX_SAXNODE_Instruction) {
+ m_pHandler->OnTargetData(m_pCurItem->m_pNode, m_pCurItem->m_eNode,
+ CFX_ByteStringC(m_pszName, m_iNameLength),
+ m_dwNodePos);
+ } else if (m_pCurItem->m_eNode == FX_SAXNODE_Comment) {
+ m_pHandler->OnTargetData(m_pCurItem->m_pNode, m_pCurItem->m_eNode,
+ CFX_ByteStringC(m_pszData, m_iDataLength),
+ m_dwNodePos);
+ }
+}
+void CFX_SAXReader::SkipCurrentNode() {
+ if (!m_pCurItem) {
+ return;
+ }
+ m_pCurItem->m_bSkip = TRUE;
+}
+void CFX_SAXReader::SetHandler(IFX_SAXReaderHandler* pHandler) {
+ m_pHandler = pHandler;
+}
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