| // 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 "xml_int.h" |
| |
| #include "core/include/fxcrt/fx_ext.h" |
| #include "core/include/fxcrt/fx_xml.h" |
| |
| CXML_Parser::~CXML_Parser() { |
| if (m_bOwnedStream) { |
| m_pDataAcc->Release(); |
| } |
| } |
| FX_BOOL CXML_Parser::Init(uint8_t* pBuffer, size_t size) { |
| m_pDataAcc = new CXML_DataBufAcc(pBuffer, size); |
| return Init(TRUE); |
| } |
| FX_BOOL CXML_Parser::Init(IFX_FileRead* pFileRead) { |
| m_pDataAcc = new CXML_DataStmAcc(pFileRead); |
| return Init(TRUE); |
| } |
| FX_BOOL CXML_Parser::Init(IFX_BufferRead* pBuffer) { |
| if (!pBuffer) { |
| return FALSE; |
| } |
| m_pDataAcc = pBuffer; |
| return Init(FALSE); |
| } |
| FX_BOOL CXML_Parser::Init(FX_BOOL bOwndedStream) { |
| m_bOwnedStream = bOwndedStream; |
| m_nOffset = 0; |
| return ReadNextBlock(); |
| } |
| FX_BOOL CXML_Parser::ReadNextBlock() { |
| if (!m_pDataAcc->ReadNextBlock()) { |
| return FALSE; |
| } |
| m_pBuffer = m_pDataAcc->GetBlockBuffer(); |
| m_dwBufferSize = m_pDataAcc->GetBlockSize(); |
| m_nBufferOffset = m_pDataAcc->GetBlockOffset(); |
| m_dwIndex = 0; |
| return m_dwBufferSize > 0; |
| } |
| FX_BOOL CXML_Parser::IsEOF() { |
| if (!m_pDataAcc->IsEOF()) { |
| return FALSE; |
| } |
| return m_dwIndex >= m_dwBufferSize; |
| } |
| #define FXCRTM_XML_CHARTYPE_Normal 0x00 |
| #define FXCRTM_XML_CHARTYPE_SpaceChar 0x01 |
| #define FXCRTM_XML_CHARTYPE_Letter 0x02 |
| #define FXCRTM_XML_CHARTYPE_Digital 0x04 |
| #define FXCRTM_XML_CHARTYPE_NameIntro 0x08 |
| #define FXCRTM_XML_CHARTYPE_NameChar 0x10 |
| #define FXCRTM_XML_CHARTYPE_HexDigital 0x20 |
| #define FXCRTM_XML_CHARTYPE_HexLowerLetter 0x40 |
| #define FXCRTM_XML_CHARTYPE_HexUpperLetter 0x60 |
| #define FXCRTM_XML_CHARTYPE_HexChar 0x60 |
| uint8_t g_FXCRT_XML_ByteTypes[256] = { |
| 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, |
| 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, |
| 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x00, |
| 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x34, 0x08, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x7A, 0x7A, 0x7A, 0x7A, 0x7A, 0x7A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x18, |
| 0x00, 0x5A, 0x5A, 0x5A, 0x5A, 0x5A, 0x5A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, 0x1A, |
| 0x1A, 0x1A, 0x01, 0x01, |
| }; |
| FX_BOOL g_FXCRT_XML_IsWhiteSpace(uint8_t ch) { |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_SpaceChar) != 0; |
| } |
| FX_BOOL g_FXCRT_XML_IsLetter(uint8_t ch) { |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_Letter) != 0; |
| } |
| FX_BOOL g_FXCRT_XML_IsDigital(uint8_t ch) { |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_Digital) != 0; |
| } |
| FX_BOOL g_FXCRT_XML_IsNameIntro(uint8_t ch) { |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_NameIntro) != 0; |
| } |
| FX_BOOL g_FXCRT_XML_IsNameChar(uint8_t ch) { |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_NameChar) != 0; |
| } |
| FX_BOOL g_FXCRT_XML_IsHexChar(uint8_t ch) { |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_HexChar) != 0; |
| } |
| void CXML_Parser::SkipWhiteSpaces() { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return; |
| } |
| do { |
| while (m_dwIndex < m_dwBufferSize && |
| g_FXCRT_XML_IsWhiteSpace(m_pBuffer[m_dwIndex])) { |
| m_dwIndex++; |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| } |
| void CXML_Parser::GetName(CFX_ByteString& space, CFX_ByteString& name) { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return; |
| } |
| CFX_ByteTextBuf buf; |
| uint8_t ch; |
| do { |
| while (m_dwIndex < m_dwBufferSize) { |
| ch = m_pBuffer[m_dwIndex]; |
| if (ch == ':') { |
| space = buf.GetByteString(); |
| buf.Clear(); |
| } else if (g_FXCRT_XML_IsNameChar(ch)) { |
| buf.AppendChar(ch); |
| } else { |
| break; |
| } |
| m_dwIndex++; |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| name = buf.GetByteString(); |
| } |
| void CXML_Parser::SkipLiterals(const CFX_ByteStringC& str) { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return; |
| } |
| int32_t i = 0, iLen = str.GetLength(); |
| do { |
| while (m_dwIndex < m_dwBufferSize) { |
| if (str.GetAt(i) != m_pBuffer[m_dwIndex++]) { |
| i = 0; |
| } else { |
| i++; |
| if (i == iLen) { |
| break; |
| } |
| } |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (i == iLen) { |
| return; |
| } |
| if (m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| while (!m_pDataAcc->IsEOF()) { |
| ReadNextBlock(); |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwBufferSize; |
| } |
| m_dwIndex = m_dwBufferSize; |
| } |
| FX_DWORD CXML_Parser::GetCharRef() { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return 0; |
| } |
| uint8_t ch; |
| int32_t iState = 0; |
| CFX_ByteTextBuf buf; |
| FX_DWORD code = 0; |
| do { |
| while (m_dwIndex < m_dwBufferSize) { |
| ch = m_pBuffer[m_dwIndex]; |
| switch (iState) { |
| case 0: |
| if (ch == '#') { |
| m_dwIndex++; |
| iState = 2; |
| break; |
| } |
| iState = 1; |
| case 1: |
| m_dwIndex++; |
| if (ch == ';') { |
| CFX_ByteStringC ref = buf.GetByteString(); |
| if (ref == "gt") { |
| code = '>'; |
| } else if (ref == "lt") { |
| code = '<'; |
| } else if (ref == "amp") { |
| code = '&'; |
| } else if (ref == "apos") { |
| code = '\''; |
| } else if (ref == "quot") { |
| code = '"'; |
| } |
| iState = 10; |
| break; |
| } |
| buf.AppendByte(ch); |
| break; |
| case 2: |
| if (ch == 'x') { |
| m_dwIndex++; |
| iState = 4; |
| break; |
| } |
| iState = 3; |
| case 3: |
| m_dwIndex++; |
| if (ch == ';') { |
| iState = 10; |
| break; |
| } |
| if (g_FXCRT_XML_IsDigital(ch)) |
| code = code * 10 + FXSYS_toDecimalDigit(ch); |
| break; |
| case 4: |
| m_dwIndex++; |
| if (ch == ';') { |
| iState = 10; |
| break; |
| } |
| uint8_t nHex = |
| g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_HexChar; |
| if (nHex) { |
| if (nHex == FXCRTM_XML_CHARTYPE_HexDigital) { |
| code = (code << 4) + FXSYS_toDecimalDigit(ch); |
| } else if (nHex == FXCRTM_XML_CHARTYPE_HexLowerLetter) { |
| code = (code << 4) + ch - 87; |
| } else { |
| code = (code << 4) + ch - 55; |
| } |
| } |
| break; |
| } |
| if (iState == 10) { |
| break; |
| } |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (iState == 10 || m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| return code; |
| } |
| void CXML_Parser::GetAttrValue(CFX_WideString& value) { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return; |
| } |
| CFX_UTF8Decoder decoder; |
| uint8_t mark = 0, ch = 0; |
| do { |
| while (m_dwIndex < m_dwBufferSize) { |
| ch = m_pBuffer[m_dwIndex]; |
| if (mark == 0) { |
| if (ch != '\'' && ch != '"') { |
| return; |
| } |
| mark = ch; |
| m_dwIndex++; |
| ch = 0; |
| continue; |
| } |
| m_dwIndex++; |
| if (ch == mark) { |
| break; |
| } |
| if (ch == '&') { |
| decoder.AppendChar(GetCharRef()); |
| if (IsEOF()) { |
| value = decoder.GetResult(); |
| return; |
| } |
| } else { |
| decoder.Input(ch); |
| } |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (ch == mark || m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| value = decoder.GetResult(); |
| } |
| void CXML_Parser::GetTagName(CFX_ByteString& space, |
| CFX_ByteString& name, |
| FX_BOOL& bEndTag, |
| FX_BOOL bStartTag) { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return; |
| } |
| bEndTag = FALSE; |
| uint8_t ch; |
| int32_t iState = bStartTag ? 1 : 0; |
| do { |
| while (m_dwIndex < m_dwBufferSize) { |
| ch = m_pBuffer[m_dwIndex]; |
| switch (iState) { |
| case 0: |
| m_dwIndex++; |
| if (ch != '<') { |
| break; |
| } |
| iState = 1; |
| break; |
| case 1: |
| if (ch == '?') { |
| m_dwIndex++; |
| SkipLiterals("?>"); |
| iState = 0; |
| break; |
| } else if (ch == '!') { |
| m_dwIndex++; |
| SkipLiterals("-->"); |
| iState = 0; |
| break; |
| } |
| if (ch == '/') { |
| m_dwIndex++; |
| GetName(space, name); |
| bEndTag = TRUE; |
| } else { |
| GetName(space, name); |
| bEndTag = FALSE; |
| } |
| return; |
| } |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| } |
| CXML_Element* CXML_Parser::ParseElement(CXML_Element* pParent, |
| FX_BOOL bStartTag) { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (IsEOF()) { |
| return NULL; |
| } |
| CFX_ByteString tag_name, tag_space; |
| FX_BOOL bEndTag; |
| GetTagName(tag_space, tag_name, bEndTag, bStartTag); |
| if (tag_name.IsEmpty() || bEndTag) { |
| return NULL; |
| } |
| CXML_Element* pElement = new CXML_Element; |
| pElement->m_pParent = pParent; |
| pElement->SetTag(tag_space, tag_name); |
| do { |
| CFX_ByteString attr_space, attr_name; |
| while (m_dwIndex < m_dwBufferSize) { |
| SkipWhiteSpaces(); |
| if (IsEOF()) { |
| break; |
| } |
| if (!g_FXCRT_XML_IsNameIntro(m_pBuffer[m_dwIndex])) { |
| break; |
| } |
| GetName(attr_space, attr_name); |
| SkipWhiteSpaces(); |
| if (IsEOF()) { |
| break; |
| } |
| if (m_pBuffer[m_dwIndex] != '=') { |
| break; |
| } |
| m_dwIndex++; |
| SkipWhiteSpaces(); |
| if (IsEOF()) { |
| break; |
| } |
| CFX_WideString attr_value; |
| GetAttrValue(attr_value); |
| pElement->m_AttrMap.SetAt(attr_space, attr_name, attr_value); |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| SkipWhiteSpaces(); |
| if (IsEOF()) { |
| return pElement; |
| } |
| uint8_t ch = m_pBuffer[m_dwIndex++]; |
| if (ch == '/') { |
| m_dwIndex++; |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| return pElement; |
| } |
| if (ch != '>') { |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| delete pElement; |
| return NULL; |
| } |
| SkipWhiteSpaces(); |
| if (IsEOF()) { |
| return pElement; |
| } |
| CFX_UTF8Decoder decoder; |
| CFX_WideTextBuf content; |
| FX_BOOL bCDATA = FALSE; |
| int32_t iState = 0; |
| do { |
| while (m_dwIndex < m_dwBufferSize) { |
| ch = m_pBuffer[m_dwIndex++]; |
| switch (iState) { |
| case 0: |
| if (ch == '<') { |
| iState = 1; |
| } else if (ch == '&') { |
| decoder.ClearStatus(); |
| decoder.AppendChar(GetCharRef()); |
| } else { |
| decoder.Input(ch); |
| } |
| break; |
| case 1: |
| if (ch == '!') { |
| iState = 2; |
| } else if (ch == '?') { |
| SkipLiterals("?>"); |
| SkipWhiteSpaces(); |
| iState = 0; |
| } else if (ch == '/') { |
| CFX_ByteString space, name; |
| GetName(space, name); |
| SkipWhiteSpaces(); |
| m_dwIndex++; |
| iState = 10; |
| } else { |
| content << decoder.GetResult(); |
| CFX_WideString dataStr = content.GetWideString(); |
| if (!bCDATA && !m_bSaveSpaceChars) { |
| dataStr.TrimRight(L" \t\r\n"); |
| } |
| InsertContentSegment(bCDATA, dataStr, pElement); |
| content.Clear(); |
| decoder.Clear(); |
| bCDATA = FALSE; |
| iState = 0; |
| m_dwIndex--; |
| CXML_Element* pSubElement = ParseElement(pElement, TRUE); |
| if (!pSubElement) { |
| break; |
| } |
| pSubElement->m_pParent = pElement; |
| pElement->m_Children.Add((void*)CXML_Element::Element); |
| pElement->m_Children.Add(pSubElement); |
| SkipWhiteSpaces(); |
| } |
| break; |
| case 2: |
| if (ch == '[') { |
| SkipLiterals("]]>"); |
| } else if (ch == '-') { |
| m_dwIndex++; |
| SkipLiterals("-->"); |
| } else { |
| SkipLiterals(">"); |
| } |
| decoder.Clear(); |
| SkipWhiteSpaces(); |
| iState = 0; |
| break; |
| } |
| if (iState == 10) { |
| break; |
| } |
| } |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; |
| if (iState == 10 || m_dwIndex < m_dwBufferSize || IsEOF()) { |
| break; |
| } |
| } while (ReadNextBlock()); |
| content << decoder.GetResult(); |
| CFX_WideString dataStr = content.GetWideString(); |
| if (!m_bSaveSpaceChars) { |
| dataStr.TrimRight(L" \t\r\n"); |
| } |
| InsertContentSegment(bCDATA, dataStr, pElement); |
| content.Clear(); |
| decoder.Clear(); |
| bCDATA = FALSE; |
| return pElement; |
| } |
| void CXML_Parser::InsertContentSegment(FX_BOOL bCDATA, |
| const CFX_WideStringC& content, |
| CXML_Element* pElement) { |
| if (content.IsEmpty()) { |
| return; |
| } |
| CXML_Content* pContent = new CXML_Content; |
| pContent->Set(bCDATA, content); |
| pElement->m_Children.Add((void*)CXML_Element::Content); |
| pElement->m_Children.Add(pContent); |
| } |
| static CXML_Element* XML_ContinueParse(CXML_Parser& parser, |
| FX_BOOL bSaveSpaceChars, |
| FX_FILESIZE* pParsedSize) { |
| parser.m_bSaveSpaceChars = bSaveSpaceChars; |
| CXML_Element* pElement = parser.ParseElement(NULL, FALSE); |
| if (pParsedSize) { |
| *pParsedSize = parser.m_nOffset; |
| } |
| return pElement; |
| } |
| CXML_Element* CXML_Element::Parse(const void* pBuffer, |
| size_t size, |
| FX_BOOL bSaveSpaceChars, |
| FX_FILESIZE* pParsedSize) { |
| CXML_Parser parser; |
| if (!parser.Init((uint8_t*)pBuffer, size)) { |
| return NULL; |
| } |
| return XML_ContinueParse(parser, bSaveSpaceChars, pParsedSize); |
| } |
| CXML_Element* CXML_Element::Parse(IFX_FileRead* pFile, |
| FX_BOOL bSaveSpaceChars, |
| FX_FILESIZE* pParsedSize) { |
| CXML_Parser parser; |
| if (!parser.Init(pFile)) { |
| return NULL; |
| } |
| return XML_ContinueParse(parser, bSaveSpaceChars, pParsedSize); |
| } |
| CXML_Element* CXML_Element::Parse(IFX_BufferRead* pBuffer, |
| FX_BOOL bSaveSpaceChars, |
| FX_FILESIZE* pParsedSize) { |
| CXML_Parser parser; |
| if (!parser.Init(pBuffer)) { |
| return NULL; |
| } |
| return XML_ContinueParse(parser, bSaveSpaceChars, pParsedSize); |
| } |
| CXML_Element::CXML_Element() : m_QSpaceName(), m_TagName(), m_AttrMap() {} |
| CXML_Element::CXML_Element(const CFX_ByteStringC& qSpace, |
| const CFX_ByteStringC& tagName) |
| : m_QSpaceName(), m_TagName(), m_AttrMap() { |
| m_QSpaceName = qSpace; |
| m_TagName = tagName; |
| } |
| CXML_Element::CXML_Element(const CFX_ByteStringC& qTagName) |
| : m_pParent(NULL), m_QSpaceName(), m_TagName(), m_AttrMap() { |
| SetTag(qTagName); |
| } |
| CXML_Element::~CXML_Element() { |
| Empty(); |
| } |
| void CXML_Element::Empty() { |
| RemoveChildren(); |
| } |
| void CXML_Element::RemoveChildren() { |
| for (int i = 0; i < m_Children.GetSize(); i += 2) { |
| ChildType type = (ChildType)(uintptr_t)m_Children.GetAt(i); |
| if (type == Content) { |
| CXML_Content* content = (CXML_Content*)m_Children.GetAt(i + 1); |
| delete content; |
| } else if (type == Element) { |
| CXML_Element* child = (CXML_Element*)m_Children.GetAt(i + 1); |
| child->RemoveChildren(); |
| delete child; |
| } |
| } |
| m_Children.RemoveAll(); |
| } |
| CFX_ByteString CXML_Element::GetTagName(FX_BOOL bQualified) const { |
| if (!bQualified || m_QSpaceName.IsEmpty()) { |
| return m_TagName; |
| } |
| CFX_ByteString bsTag = m_QSpaceName; |
| bsTag += ":"; |
| bsTag += m_TagName; |
| return bsTag; |
| } |
| CFX_ByteString CXML_Element::GetNamespace(FX_BOOL bQualified) const { |
| if (bQualified) { |
| return m_QSpaceName; |
| } |
| return GetNamespaceURI(m_QSpaceName); |
| } |
| CFX_ByteString CXML_Element::GetNamespaceURI( |
| const CFX_ByteStringC& qName) const { |
| const CFX_WideString* pwsSpace; |
| const CXML_Element* pElement = this; |
| do { |
| if (qName.IsEmpty()) { |
| pwsSpace = pElement->m_AttrMap.Lookup("", "xmlns"); |
| } else { |
| pwsSpace = pElement->m_AttrMap.Lookup("xmlns", qName); |
| } |
| if (pwsSpace) { |
| break; |
| } |
| pElement = pElement->GetParent(); |
| } while (pElement); |
| return pwsSpace ? FX_UTF8Encode(*pwsSpace) : CFX_ByteString(); |
| } |
| void CXML_Element::GetAttrByIndex(int index, |
| CFX_ByteString& space, |
| CFX_ByteString& name, |
| CFX_WideString& value) const { |
| if (index < 0 || index >= m_AttrMap.GetSize()) { |
| return; |
| } |
| CXML_AttrItem& item = m_AttrMap.GetAt(index); |
| space = item.m_QSpaceName; |
| name = item.m_AttrName; |
| value = item.m_Value; |
| } |
| FX_BOOL CXML_Element::HasAttr(const CFX_ByteStringC& name) const { |
| CFX_ByteStringC bsSpace, bsName; |
| FX_XML_SplitQualifiedName(name, bsSpace, bsName); |
| return m_AttrMap.Lookup(bsSpace, bsName) != NULL; |
| } |
| FX_BOOL CXML_Element::GetAttrValue(const CFX_ByteStringC& name, |
| CFX_WideString& attribute) const { |
| CFX_ByteStringC bsSpace, bsName; |
| FX_XML_SplitQualifiedName(name, bsSpace, bsName); |
| return GetAttrValue(bsSpace, bsName, attribute); |
| } |
| FX_BOOL CXML_Element::GetAttrValue(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& name, |
| CFX_WideString& attribute) const { |
| const CFX_WideString* pValue = m_AttrMap.Lookup(space, name); |
| if (pValue) { |
| attribute = *pValue; |
| return TRUE; |
| } |
| return FALSE; |
| } |
| FX_BOOL CXML_Element::GetAttrInteger(const CFX_ByteStringC& name, |
| int& attribute) const { |
| CFX_ByteStringC bsSpace, bsName; |
| FX_XML_SplitQualifiedName(name, bsSpace, bsName); |
| const CFX_WideString* pwsValue = m_AttrMap.Lookup(bsSpace, bsName); |
| if (pwsValue) { |
| attribute = pwsValue->GetInteger(); |
| return TRUE; |
| } |
| return FALSE; |
| } |
| FX_BOOL CXML_Element::GetAttrInteger(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& name, |
| int& attribute) const { |
| const CFX_WideString* pwsValue = m_AttrMap.Lookup(space, name); |
| if (pwsValue) { |
| attribute = pwsValue->GetInteger(); |
| return TRUE; |
| } |
| return FALSE; |
| } |
| FX_BOOL CXML_Element::GetAttrFloat(const CFX_ByteStringC& name, |
| FX_FLOAT& attribute) const { |
| CFX_ByteStringC bsSpace, bsName; |
| FX_XML_SplitQualifiedName(name, bsSpace, bsName); |
| return GetAttrFloat(bsSpace, bsName, attribute); |
| } |
| FX_BOOL CXML_Element::GetAttrFloat(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& name, |
| FX_FLOAT& attribute) const { |
| const CFX_WideString* pValue = m_AttrMap.Lookup(space, name); |
| if (pValue) { |
| attribute = pValue->GetFloat(); |
| return TRUE; |
| } |
| return FALSE; |
| } |
| FX_DWORD CXML_Element::CountChildren() const { |
| return m_Children.GetSize() / 2; |
| } |
| CXML_Element::ChildType CXML_Element::GetChildType(FX_DWORD index) const { |
| index <<= 1; |
| if (index >= (FX_DWORD)m_Children.GetSize()) { |
| return Invalid; |
| } |
| return (ChildType)(uintptr_t)m_Children.GetAt(index); |
| } |
| CFX_WideString CXML_Element::GetContent(FX_DWORD index) const { |
| index <<= 1; |
| if (index >= (FX_DWORD)m_Children.GetSize() || |
| (ChildType)(uintptr_t)m_Children.GetAt(index) != Content) { |
| return CFX_WideString(); |
| } |
| CXML_Content* pContent = (CXML_Content*)m_Children.GetAt(index + 1); |
| if (pContent) { |
| return pContent->m_Content; |
| } |
| return CFX_WideString(); |
| } |
| CXML_Element* CXML_Element::GetElement(FX_DWORD index) const { |
| index <<= 1; |
| if (index >= (FX_DWORD)m_Children.GetSize() || |
| (ChildType)(uintptr_t)m_Children.GetAt(index) != Element) { |
| return NULL; |
| } |
| return (CXML_Element*)m_Children.GetAt(index + 1); |
| } |
| FX_DWORD CXML_Element::CountElements(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& tag) const { |
| int count = 0; |
| for (int i = 0; i < m_Children.GetSize(); i += 2) { |
| ChildType type = (ChildType)(uintptr_t)m_Children.GetAt(i); |
| if (type != Element) { |
| continue; |
| } |
| CXML_Element* pKid = (CXML_Element*)m_Children.GetAt(i + 1); |
| if ((space.IsEmpty() || pKid->m_QSpaceName == space) && |
| pKid->m_TagName == tag) { |
| count++; |
| } |
| } |
| return count; |
| } |
| CXML_Element* CXML_Element::GetElement(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& tag, |
| int index) const { |
| if (index < 0) { |
| return NULL; |
| } |
| for (int i = 0; i < m_Children.GetSize(); i += 2) { |
| ChildType type = (ChildType)(uintptr_t)m_Children.GetAt(i); |
| if (type != Element) { |
| continue; |
| } |
| CXML_Element* pKid = (CXML_Element*)m_Children.GetAt(i + 1); |
| if ((!space.IsEmpty() && pKid->m_QSpaceName != space) || |
| pKid->m_TagName != tag) { |
| continue; |
| } |
| if (index-- == 0) { |
| return pKid; |
| } |
| } |
| return NULL; |
| } |
| FX_DWORD CXML_Element::FindElement(CXML_Element* pChild) const { |
| for (int i = 0; i < m_Children.GetSize(); i += 2) { |
| if ((ChildType)(uintptr_t)m_Children.GetAt(i) == Element && |
| (CXML_Element*)m_Children.GetAt(i + 1) == pChild) { |
| return (FX_DWORD)(i >> 1); |
| } |
| } |
| return (FX_DWORD)-1; |
| } |
| const CFX_WideString* CXML_AttrMap::Lookup(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& name) const { |
| if (!m_pMap) { |
| return NULL; |
| } |
| for (int i = 0; i < m_pMap->GetSize(); i++) { |
| CXML_AttrItem& item = GetAt(i); |
| if ((space.IsEmpty() || item.m_QSpaceName == space) && |
| item.m_AttrName == name) { |
| return &item.m_Value; |
| } |
| } |
| return NULL; |
| } |
| void CXML_AttrMap::SetAt(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& name, |
| const CFX_WideStringC& value) { |
| for (int i = 0; i < GetSize(); i++) { |
| CXML_AttrItem& item = GetAt(i); |
| if ((space.IsEmpty() || item.m_QSpaceName == space) && |
| item.m_AttrName == name) { |
| item.m_Value = value; |
| return; |
| } |
| } |
| if (!m_pMap) { |
| m_pMap = new CFX_ObjectArray<CXML_AttrItem>; |
| } |
| CXML_AttrItem* pItem = (CXML_AttrItem*)m_pMap->AddSpace(); |
| if (!pItem) { |
| return; |
| } |
| pItem->m_QSpaceName = space; |
| pItem->m_AttrName = name; |
| pItem->m_Value = value; |
| } |
| void CXML_AttrMap::RemoveAt(const CFX_ByteStringC& space, |
| const CFX_ByteStringC& name) { |
| if (!m_pMap) { |
| return; |
| } |
| for (int i = 0; i < m_pMap->GetSize(); i++) { |
| CXML_AttrItem& item = GetAt(i); |
| if ((space.IsEmpty() || item.m_QSpaceName == space) && |
| item.m_AttrName == name) { |
| m_pMap->RemoveAt(i); |
| return; |
| } |
| } |
| } |
| int CXML_AttrMap::GetSize() const { |
| return m_pMap ? m_pMap->GetSize() : 0; |
| } |
| CXML_AttrItem& CXML_AttrMap::GetAt(int index) const { |
| return (*m_pMap)[index]; |
| } |
| void CXML_AttrMap::RemoveAll() { |
| if (!m_pMap) { |
| return; |
| } |
| m_pMap->RemoveAll(); |
| delete m_pMap; |
| m_pMap = NULL; |
| } |
