Beispiel #1
0
CXML_Element* CXML_Parser::ParseElement(CXML_Element* pParent, bool bStartTag) {
  m_nOffset = m_nBufferOffset + (FX_FILESIZE)m_dwIndex;
  if (IsEOF()) {
    return nullptr;
  }
  CFX_ByteString tag_name, tag_space;
  bool bEndTag;
  GetTagName(tag_space, tag_name, bEndTag, bStartTag);
  if (tag_name.IsEmpty() || bEndTag) {
    return nullptr;
  }
  CXML_Element* pElement = new CXML_Element;
  pElement->m_pParent = pParent;
  pElement->SetTag(tag_space.AsStringC(), tag_name.AsStringC());
  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 nullptr;
  }
  SkipWhiteSpaces();
  if (IsEOF()) {
    return pElement;
  }
  CFX_UTF8Decoder decoder;
  CFX_WideTextBuf content;
  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.MakeString();
            if (!bCDATA && !m_bSaveSpaceChars) {
              dataStr.TrimRight(L" \t\r\n");
            }
            InsertContentSegment(bCDATA, dataStr.AsStringC(), 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.push_back(
                {CXML_Element::Element, 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.MakeString();
  if (!m_bSaveSpaceChars) {
    dataStr.TrimRight(L" \t\r\n");
  }
  InsertContentSegment(bCDATA, dataStr.AsStringC(), pElement);
  content.Clear();
  decoder.Clear();
  bCDATA = false;
  return pElement;
}
Beispiel #2
0
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((FX_LPCWSTR)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((FX_LPCWSTR)L" \t\r\n");
    }
    InsertContentSegment(bCDATA, dataStr, pElement);
    content.Clear();
    decoder.Clear();
    bCDATA = FALSE;
    return pElement;
}