| // 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 "../../include/fxcrt/fx_xml.h" | |
| #include "xml_int.h" | |
| CXML_Parser::~CXML_Parser() | |
| { | |
| if (m_bOwnedStream) { | |
| m_pDataAcc->Release(); | |
| } | |
| } | |
| FX_BOOL CXML_Parser::Init(FX_LPBYTE pBuffer, size_t size) | |
| { | |
| m_pDataAcc = FX_NEW CXML_DataBufAcc(pBuffer, size); | |
| if (!m_pDataAcc) { | |
| return FALSE; | |
| } | |
| return Init(TRUE); | |
| } | |
| FX_BOOL CXML_Parser::Init(IFX_FileRead *pFileRead) | |
| { | |
| m_pDataAcc = FX_NEW CXML_DataStmAcc(pFileRead); | |
| if (!m_pDataAcc) { | |
| return FALSE; | |
| } | |
| 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 | |
| FX_BYTE 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(FX_BYTE ch) | |
| { | |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_SpaceChar) != 0; | |
| } | |
| FX_BOOL g_FXCRT_XML_IsLetter(FX_BYTE ch) | |
| { | |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_Letter) != 0; | |
| } | |
| FX_BOOL g_FXCRT_XML_IsDigital(FX_BYTE ch) | |
| { | |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_Digital) != 0; | |
| } | |
| FX_BOOL g_FXCRT_XML_IsNameIntro(FX_BYTE ch) | |
| { | |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_NameIntro) != 0; | |
| } | |
| FX_BOOL g_FXCRT_XML_IsNameChar(FX_BYTE ch) | |
| { | |
| return (g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_NameChar) != 0; | |
| } | |
| FX_BOOL g_FXCRT_XML_IsHexChar(FX_BYTE 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; | |
| FX_BYTE 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(FX_BSTR str) | |
| { | |
| m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex; | |
| if (IsEOF()) { | |
| return; | |
| } | |
| FX_INT32 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; | |
| } | |
| FX_BYTE ch; | |
| FX_INT32 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 == FX_BSTRC("gt")) { | |
| code = '>'; | |
| } else if (ref == FX_BSTRC("lt")) { | |
| code = '<'; | |
| } else if (ref == FX_BSTRC("amp")) { | |
| code = '&'; | |
| } else if (ref == FX_BSTRC("apos")) { | |
| code = '\''; | |
| } else if (ref == FX_BSTRC("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 + ch - '0'; | |
| } | |
| break; | |
| case 4: | |
| m_dwIndex ++; | |
| if (ch == ';') { | |
| iState = 10; | |
| break; | |
| } | |
| FX_BYTE nHex = g_FXCRT_XML_ByteTypes[ch] & FXCRTM_XML_CHARTYPE_HexChar; | |
| if (nHex) { | |
| if (nHex == FXCRTM_XML_CHARTYPE_HexDigital) { | |
| code = (code << 4) + ch - '0'; | |
| } 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; | |
| FX_BYTE 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; | |
| FX_BYTE ch; | |
| FX_INT32 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(FX_BSTRC("?>")); | |
| iState = 0; | |
| break; | |
| } else if (ch == '!') { | |
| m_dwIndex ++; | |
| SkipLiterals(FX_BSTRC("-->")); | |
| 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; | |
| pElement = FX_NEW CXML_Element; | |
| if (pElement) { | |
| pElement->m_pParent = pParent; | |
| pElement->SetTag(tag_space, tag_name); | |
| } | |
| if (!pElement) { | |
| return NULL; | |
| } | |
| 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; | |
| } | |
| FX_BYTE 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; | |
| FX_INT32 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(FX_BSTRC("?>")); | |
| 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 == NULL) { | |
| break; | |
| } | |
| pSubElement->m_pParent = pElement; | |
| pElement->m_Children.Add((FX_LPVOID)CXML_Element::Element); | |
| pElement->m_Children.Add(pSubElement); | |
| SkipWhiteSpaces(); | |
| } | |
| break; | |
| case 2: | |
| if (ch == '[') { | |
| SkipLiterals(FX_BSTRC("]]>")); | |
| } else if (ch == '-') { | |
| m_dwIndex ++; | |
| SkipLiterals(FX_BSTRC("-->")); | |
| } else { | |
| SkipLiterals(FX_BSTRC(">")); | |
| } | |
| 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, FX_WSTR content, CXML_Element* pElement) | |
| { | |
| if (content.IsEmpty()) { | |
| return; | |
| } | |
| CXML_Content* pContent; | |
| pContent = FX_NEW CXML_Content; | |
| if (!pContent) { | |
| return; | |
| } | |
| pContent->Set(bCDATA, content); | |
| pElement->m_Children.Add((FX_LPVOID)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((FX_LPBYTE)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(FX_BSTR qSpace, FX_BSTR tagName) | |
| : m_QSpaceName() | |
| , m_TagName() | |
| , m_AttrMap() | |
| { | |
| m_QSpaceName = qSpace; | |
| m_TagName = tagName; | |
| } | |
| CXML_Element::CXML_Element(FX_BSTR 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)(FX_UINTPTR)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(FX_BSTR qName) const | |
| { | |
| const CFX_WideString* pwsSpace; | |
| const CXML_Element *pElement = this; | |
| do { | |
| if (qName.IsEmpty()) { | |
| pwsSpace = pElement->m_AttrMap.Lookup(FX_BSTRC(""), FX_BSTRC("xmlns")); | |
| } else { | |
| pwsSpace = pElement->m_AttrMap.Lookup(FX_BSTRC("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(FX_BSTR name) const | |
| { | |
| CFX_ByteStringC bsSpace, bsName; | |
| FX_XML_SplitQualifiedName(name, bsSpace, bsName); | |
| return m_AttrMap.Lookup(bsSpace, bsName) != NULL; | |
| } | |
| FX_BOOL CXML_Element::GetAttrValue(FX_BSTR 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(FX_BSTR space, FX_BSTR 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(FX_BSTR 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(FX_BSTR space, FX_BSTR 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(FX_BSTR 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(FX_BSTR space, FX_BSTR 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)(FX_UINTPTR)m_Children.GetAt(index); | |
| } | |
| CFX_WideString CXML_Element::GetContent(FX_DWORD index) const | |
| { | |
| index <<= 1; | |
| if (index >= (FX_DWORD)m_Children.GetSize() || | |
| (ChildType)(FX_UINTPTR)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)(FX_UINTPTR)m_Children.GetAt(index) != Element) { | |
| return NULL; | |
| } | |
| return (CXML_Element*)m_Children.GetAt(index + 1); | |
| } | |
| FX_DWORD CXML_Element::CountElements(FX_BSTR space, FX_BSTR tag) const | |
| { | |
| int count = 0; | |
| for (int i = 0; i < m_Children.GetSize(); i += 2) { | |
| ChildType type = (ChildType)(FX_UINTPTR)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(FX_BSTR space, FX_BSTR tag, int index) const | |
| { | |
| if (index < 0) { | |
| return NULL; | |
| } | |
| for (int i = 0; i < m_Children.GetSize(); i += 2) { | |
| ChildType type = (ChildType)(FX_UINTPTR)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)(FX_UINTPTR)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(FX_BSTR space, FX_BSTR name) const | |
| { | |
| if (m_pMap == NULL) { | |
| 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(FX_BSTR space, FX_BSTR name, FX_WSTR 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 = FX_NEW CFX_ObjectArray < CXML_AttrItem > ; | |
| } | |
| if (!m_pMap) { | |
| return; | |
| } | |
| 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(FX_BSTR space, FX_BSTR name) | |
| { | |
| if (m_pMap == NULL) { | |
| 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 == NULL ? 0 : m_pMap->GetSize(); | |
| } | |
| CXML_AttrItem& CXML_AttrMap::GetAt(int index) const | |
| { | |
| ASSERT(m_pMap != NULL); | |
| return (*m_pMap)[index]; | |
| } | |
| void CXML_AttrMap::RemoveAll() | |
| { | |
| if (!m_pMap) { | |
| return; | |
| } | |
| m_pMap->RemoveAll(); | |
| delete m_pMap; | |
| m_pMap = NULL; | |
| } |