C++ xml_node::remove_child方法代码示例

void Editor_Html2Usfm::processNoteCitation (xml_node node)
{
  // Remove the note citation from the text.
  // It means that this:
  //   <a href="#note1" id="citation1" class="superscript">x</a>
  // becomes this:
  //   <a href="#note1" id="citation1" class="superscript" />
  xml_node child = node.first_child ();
  node.remove_child (child);

  // Get more information about the footnote to retrieve.
  string href = node.attribute ("href").value ();
  string id = href.substr (1);

  // Sample footnote body.
  // <p class="x"><a href="#citation1" id="note1">x</a><span> </span><span>+ 2 Joh. 1.1</span></p>
  // Retrieve the <a> element from it.
  // At first this was done through an XPath expression:
  // http://www.grinninglizard.com/tinyxml2docs/index.html
  // But XPath crashes on Android with libxml2.
  // Therefore now it iterates of all the nodes to find the required <a> element.
  // (After moving to pugixml, the XPath expression could have been used again, but this was not done.)
  xml_node aElement = get_note_pointer (document.first_child (), id);
  if (aElement) {

    // It now has the 'a' element: Get its 'p' parent, and then remove that 'a' element.
    // So we remain with:
    // <p class="x"><span> </span><span>+ 2 Joh. 1.1</span></p>
    xml_node pElement = aElement.parent ();
    pElement.remove_child (aElement);
    
    // Preserve active character styles in the main text, and reset them for the note.
    vector <string> preservedCharacterStyles = characterStyles;
    characterStyles.clear();
    
    // Process this 'p' element.
    processingNote = true;
    processNode (pElement);
    processingNote = false;
    
    // Restore the active character styles for the main text.
    characterStyles = preservedCharacterStyles;
    
    // Remove this element so it can't be processed again.
    xml_node div_notes = pElement.parent ();
    div_notes.remove_child (pElement);
    
  } else {
    Database_Logs::log ("Discarding note with id " + id + " and href " + href);
  }
}

void ImportResource(xml_node xmlNode, const tstring & strUiresDir,const tstring & strNamePrefix,xml_node xmlSkin)
{
    WIN32_FIND_DATA fd;
    HANDLE hContext = ::FindFirstFile((strUiresDir+_T("\\*.*")).c_str(), &fd);
    if(hContext!=INVALID_HANDLE_VALUE)
    {
        while(::FindNextFile(hContext,&fd))
        {
            if(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
            {
                if(_tcscmp(fd.cFileName,_T(".")) == 0 || _tcscmp(fd.cFileName,_T("..")) == 0)
                    continue;
                ImportResource(xmlNode, strUiresDir+_T("\\")+ fd.cFileName, strNamePrefix+ fd.cFileName + _T("."),xmlSkin);
            }else
            {
                xml_node newFile = xmlNode.append_child(_T("file"));
                TCHAR szName[MAX_PATH],szExt[50];
                _tsplitpath(fd.cFileName,NULL,NULL,szName,szExt);

                tstring strName,strPath;
                strName = strNamePrefix+szName;
                strPath = strUiresDir + _T("\\") + fd.cFileName;
                if(xmlSkin)
                {
                    LPTSTR p = _tcsrchr(szName,'[');
                    {
                        if(p) *p = 0;
                        strName = strNamePrefix+szName;
                        tstring src = xmlNode.name();
                        src += _T(":");
                        src += strName;
                        
                        xml_node node = xmlSkin.find_child_by_attribute(_T("name"),strName.c_str());
                        if(node) xmlSkin.remove_child(node);//自动使用新的皮肤替换原有皮肤。

                        int nStates=1, left=-1,top=-1,right=-1,bottom=-1;
                        int nValues = 0;

                        int nColorize = g_bEnableColorize?1:0, //着色标志 {ec=0/1}
                            nAutoFit = 1,  //自适应标志{fit=0/1}
                            nTile = 0,     //平铺标志{tile=0/1}
                            nVertical = 0, //子图垂直排列标志{vert=0/1}
                            nFilter=0;     //绘制滤镜:{filter=0/1/2/3} 0=null,1=low,2=midium,3=high
                        
                        if(p)
                        {
                            nValues = _stscanf(p+1,_T("%d{%d,%d,%d,%d}]"),&nStates,&left,&top,&right,&bottom);

                            LPCTSTR pszFind = _tcsstr(p+1,_T("{ec="));
                            if(pszFind) nColorize = _ttoi(pszFind+4);
                            pszFind = _tcsstr(p+1,_T("{fit="));
                            if(pszFind) nAutoFit = _ttoi(pszFind+5);
                            pszFind = _tcsstr(p+1,_T("{filter="));
                            if(pszFind) nFilter = _ttoi(pszFind+8);
                            pszFind = _tcsstr(p+1,_T("{tile="));
                            if(pszFind) nTile = _ttoi(pszFind+6);
                            pszFind = _tcsstr(p+1,_T("{vert="));
                            if(pszFind) nVertical = _ttoi(pszFind+6);
                        }

                        xml_node il = xmlSkin.append_child();
                        il.append_attribute(_T("name")).set_value(strName.c_str());
                        il.append_attribute(_T("src")).set_value(src.c_str());
                        il.append_attribute(_T("states")).set_value(nStates);
                        if(nValues==0 || nValues == 1)
                        {//imglist
                            il.set_name(_T("imglist"));
                        }else if(nValues==3 || nValues == 5)
                        {//imgframe
                            il.set_name(_T("imgframe"));

                            TCHAR szMargin[100];
                            _stprintf(szMargin,_T("%d,%d,%d,%d"),left,top,right==-1?left:right,bottom==-1?top:bottom);
                            il.append_attribute(_T("margin")).set_value(szMargin);
                        }

                        //设置各种可先属性
                        if(nColorize == 0) il.append_attribute(_T("enableColorize")).set_value(0);
                        if(nAutoFit == 0) il.append_attribute(_T("autoFit")).set_value(0);
                        if(nTile !=0 ) il.append_attribute(_T("tile")).set_value(1);
                        if(nVertical != 0 ) il.append_attribute(_T("vertical")).set_value(1);
                        switch(nFilter)
                        {
                        case 1:il.append_attribute(_T("filterLevel")).set_value(_T("low"));break;
                        case 2:il.append_attribute(_T("filterLevel")).set_value(_T("midium"));break;
                        case 3:il.append_attribute(_T("filterLevel")).set_value(_T("high"));break;
                        }
                    }
                }
                newFile.append_attribute(L"name").set_value(strName.c_str());
                newFile.append_attribute(L"path").set_value(strPath.c_str());
            }
        }
        ::FindClose(hContext);
    }
}