/// <summary>
/// /Add constructor logic here
/// </summary>
/// <param name="enMode"></param>
public clsRtf2Html(TMode enMode)
{
Debug.Assert(enMode==TMode.c_modRTF2HTML); //vice versa unsupported at the moment
m_enMode = enMode;
m_RTFTree = new CRTFNode();
SetTitle = "RTF2HTML Generated Document";
m_arrColors=new ArrayList(); //Color[]
m_arrHTMLElements=new ArrayList(); //CHTMLElement[]
m_mapFontNames=new ArrayList(); //CMapStringToString[]
m_RTFTree=new CRTFNode();
m_strName=string.Empty;
m_strCode=string.Empty;
m_strThisCode=string.Empty;
m_strPlain=string.Empty;
m_strLang=string.Empty;
ResetMetaData();
}
public string ConvertRTF2HTML(ref string source)
{
#if DEBUG
System.IO.StreamWriter sw=new System.IO.StreamWriter(@"c:\temp\_123Rtf.rtf");
sw.Write(source);
sw.Flush();
sw.Close();
#endif
//Initializing
m_strHTML = string.Empty;
m_strRTF=source;
//Check_Valid_RTF
m_strRTF=m_strRTF.TrimEnd('\n'); //m_strRTF.TrimRight("\n");
m_strRTF=m_strRTF.TrimEnd('\r'); //m_strRTF.TrimRight("\r");
m_strRTF=m_strRTF.Replace(@"_\v &_\v0"," "); //старое наследие RTF - это пробел между словами в гиперссылке
//m_strRTF=m_strRTF.Replace("&_"," "); //старое наследие RTF
//string strEndChar=m_strRTF.Substring(m_strRTF.Length-1,1);
if (!(m_strRTF.Length>=7 && m_strRTF.Substring(0,6)=="{\\rtf1") && m_strRTF.LastIndexOf("}")==-1)
{
//Invalid RTF file. Must start with "{RTF1" and end with "}"
Debug.Assert(false,"Not right RTF","header or footer this message RTF not valid !");
return m_strHTML;
}
//Clear internal members
ResetMetaData();
//Build up RTF Tree. Each tree in a node coresponds to a {} section in the RTF file (code)
//and has a designator (name), like \RTF or \FONTTBL. We start with the whole RTF file
//(Section \RTF1)
m_RTFTree = new CRTFNode();
CRTFNode NodeRoot = R2H_BuildTree(m_strRTF,ref m_RTFTree);
string strRTFCode = NodeRoot.m_strThisCode;
//Fill internal meta data members
R2H_SetMetaData(ref NodeRoot);
//HTML Header
m_strHTML+=R2H_GetHTMLHeader();
//Create html main body
R2H_CreateHTMLElements(strRTFCode);
//Get HTML main body as string
string strHTMLText=R2H_GetHTMLElements(); //strHTMLText);
m_strHTML+=" "+strHTMLText+"\r\n";
//HTML Footer
m_strHTML+=R2H_GetHTMLFooter();
/*
#if DEBUG
if (m_strHTML!=string.Empty)
{
Form frm=new Form();
TreeView tv=new TreeView();
frm.Controls.Add(tv);
tv.Visible=true;
tv.Dock=DockStyle.Fill;
tv.Nodes.Add(NodeRoot);
tv.ExpandAll();
frm.Show();
}
#endif
*/
return m_strHTML;
}
//CRTF_HTMLConverter::CRTFNode CRTF_HTMLConverter::
CRTFNode R2H_BuildTree(string strSource, ref CRTFNode pNodeParent)
{
//Initializing
string strName=string.Empty;
CRTFNode nodeThis=new CRTFNode();
//Extract Node's Name
if ((strSource.Length>2) && (strSource.Substring(0,2)==@"{\"))
{
for (int iStrPos=2;iStrPos<strSource.Length;iStrPos++)
{
string strChTest=strSource[iStrPos].ToString();
int seek=strChTest.IndexOfAny(new char[]{' ','{','}','\\','\r'}); //
if (seek==-1) //strChTest.SpanIncluding(" {}\\\r")!="")
break;
else
strName+=strChTest;
}
}
else
{
//Invalid RTF Node. RTF Nodes must start with a { and then contain a \NAME identifier
Debug.Assert(false);
return nodeThis;
}
//Extract pure text - отрезаем начало и конец
string strNodeText=strSource.Substring(1,strSource.Length-2);
//strNodeText=strNodeText.Remove(0,1); //strNodeText.Delete(0,1);
//strNodeTextstrNodeText.Remove(strNodeText.Length-1, 1); //strNodeText.Delete(strNodeText.Length)-1, 1);
//Add node into tree
CRTFNode nodeA=new CRTFNode();
nodeA.m_strCode = strSource;
nodeA.m_strName = strName;
if (pNodeParent!=null)
nodeThis = (CRTFNode)pNodeParent.Nodes[pNodeParent.Nodes.Add(nodeA)];
else
nodeThis = (CRTFNode)nodeA.Nodes[m_RTFTree.Nodes.Add(nodeA)];
//Looking for children
string strNodeNew=string.Empty,strThisCode=string.Empty ;
int lLevel=0; //# Of opened {
for (int iStrPos=0;iStrPos<strNodeText.Length;iStrPos++)
{
string strChTest=strNodeText[iStrPos].ToString();
if (strChTest=="{")
{
//New element
if (lLevel==0)
strNodeNew=string.Empty;
//else - Nested Element, will be added during recurse
lLevel++;
}
if (lLevel>0)
strNodeNew+=strChTest;
else
strThisCode+=strChTest;
if (strChTest=="}")
{
Debug.Assert(lLevel>0); //Invalid RTF, more closing } than opening ґ{
lLevel--;
if (lLevel==0)
{
//Recurse (new Sub-Node (child) ready
R2H_BuildTree(strNodeNew,ref nodeThis); //R2H_BuildTree(strNodeNew,&nodeThis);
}
else {;} //Nested Element, will be added during recurse
}
} //loop thru string
Debug.Assert(lLevel==0); //Invalid RTF, more opening { than closing }
//Get the plain text (without \)
string strPlain=string.Empty;
for (int iStrPos=0;iStrPos<strNodeText.Length;iStrPos++)
{
string strChTest=strNodeText[iStrPos].ToString();
if (strChTest==@"\")
{
string strTag=R2H_GetRTFTag(strNodeText, iStrPos);
iStrPos+=strTag.Length;
if (((iStrPos+1)<strNodeText.Length)&&(strNodeText[iStrPos+1]==' '))
iStrPos++; //Ignore Blank after Tag
else
strPlain+=strChTest;
}
} //loop thru string
nodeThis.m_strPlain=strPlain;
nodeThis.m_strThisCode = strThisCode;
return nodeThis;
}
//CRTF_HTMLConverter::
void R2H_SetMetaData(ref CRTFNode NodeRoot)
{
//Initializing
string strRTFSource = NodeRoot.m_strThisCode;
//Go thru RTF main string's global data
for (int iStrPos=0;iStrPos<strRTFSource.Length;iStrPos++)
{
string strChTest=strRTFSource[iStrPos].ToString();
if (strChTest==@"\")
{
string strTag=R2H_GetRTFTag(strRTFSource, iStrPos);
string strTestTag;
strTestTag="ansicpg";
if ((strTag.Length>=strTestTag.Length) && (strTag.Substring(0,strTestTag.Length)==strTestTag))
{
//добавляем строку кодовой страницы
m_strCharset = strTag.Remove(0, strTestTag.Length);
}
iStrPos+=strTag.Length;
if (((iStrPos+1)<strRTFSource.Length) && (strRTFSource[iStrPos+1]==' '))
iStrPos++; //Ignore Blank after Tag
}
else
{
//Normal character
}
} //loop thru string
//Go thru 1st-level-nodes
for(int iRTFNodes=0;iRTFNodes<NodeRoot.Nodes.Count;iRTFNodes++)
{
//Color table
if (((CRTFNode)NodeRoot.Nodes[iRTFNodes]).m_strName=="colortbl")
{
string strColorTbl=((CRTFNode)NodeRoot.Nodes[iRTFNodes]).m_strThisCode;
strColorTbl=strColorTbl.Remove(0,((CRTFNode)NodeRoot.Nodes[iRTFNodes]).m_strName.Length+1); //+1=leading \ (backslash)
//Palette entries are separated with semicolon ;
ArrayList arrStrColors=new ArrayList(); //CStringArray arrStrColors;
arrStrColors.Add(strColorTbl); //StringToArray(strColorTbl, arrStrColors);
for (int iColor=0;iColor<arrStrColors.Count;iColor++)
{
//RGB values within palette entry are \redXXX\greenXXX\blueXXX
int r=0,g=0,b=0;
string strColorEntry=((string)arrStrColors[iColor]).Trim();
if (strColorEntry.Length>0)
{
//Loop thru base colors (r,g,b) and set them
//CStringArray arrStrRGBs;
ArrayList arrStrRGBs=new ArrayList();
R2H_GetRTFTags(strColorEntry, ref arrStrRGBs);
Debug.Assert(arrStrRGBs.Count==3); //RTF must contain exactly 3 entries for red/green/blue
for (int iBaseColor=0;iBaseColor<arrStrRGBs.Count;iBaseColor++)
{
string strBaseColor=(string)arrStrRGBs[iBaseColor];
string strTestBaseColor="red";
if ((strBaseColor.Length>=strTestBaseColor.Length) && (strBaseColor.Substring(0,strTestBaseColor.Length)==strTestBaseColor))
{
strBaseColor=strBaseColor.Remove(0, strTestBaseColor.Length);
r=int.Parse(strBaseColor);
}
strTestBaseColor="green";
if ((strBaseColor.Length>=strTestBaseColor.Length) && (strBaseColor.Substring(0,strTestBaseColor.Length)==strTestBaseColor))
{
strBaseColor=strBaseColor.Remove(0, strTestBaseColor.Length);
g=int.Parse(strBaseColor);
}
strTestBaseColor="blue";
if ((strBaseColor.Length>=strTestBaseColor.Length) && (strBaseColor.Substring(0,strTestBaseColor.Length)==strTestBaseColor))
{
strBaseColor=strBaseColor.Remove(0, strTestBaseColor.Length);
b=int.Parse(strBaseColor);
}
}
}
Color COLORREF =Color.FromArgb(r,g,b);
m_arrColors.Add(COLORREF);
}
continue;
}
//Font Table
if (((CRTFNode)NodeRoot.Nodes[iRTFNodes]).m_strThisCode=="fonttbl") //m_strName
{
for(int iFontNodes=0;iFontNodes<NodeRoot.Nodes[iRTFNodes].Nodes.Count;iFontNodes++)
{
string strFontName=((CRTFNode)NodeRoot.Nodes[iRTFNodes].Nodes[iFontNodes]).m_strName;
string strFont=((CRTFNode)NodeRoot.Nodes[iRTFNodes].Nodes[iFontNodes]).m_strPlain;
Debug.Assert((strFontName.Length>=2) && (strFontName.Substring(1)=="f")); //No valid RTF
Debug.Assert(strFont.Length>0);
strFont=strFont.Trim();
strFont.Replace(';',' ');
//m_mapFontNames.SetAt(strFontName, strFont);
int ps =m_mapFontNames.IndexOf(strFontName);
if (ps!=-1)
m_mapFontNames[ps]= strFont;
} //for-each-font
continue;
} //if font-table
} //for each 1st-level-node
}