private static Dna ParseElement(ref Dna pCurrent, string cElement, string cElementData)
{
Dna pRetVal = pCurrent;
if (pRetVal != null)
{
bool bOneTag = (cElement.Substring(cElement.Length - 2, 2) == "/>");
if ((cElementData.IndexOf(" ") > 0) && (cElement.IndexOf("=") > 0))
{
cElement = cElement.Replace("\x00D\x00A", " ");
cElement = cElement.Replace("\t", " ");
int nStart = cElement.IndexOf(" ");
string cNewTag = cElement.Substring(1, nStart - 1).Trim();
string cData = cElement.Substring(nStart + 1, cElement.Length - nStart - 1); // fix this
if (bOneTag)
cData = cData.Substring(1); // fix this
cData += " ";
pRetVal = pRetVal.PlaceParsedData("<" + cNewTag + ">", cElement);
cData = ClearWhiteSpace(cData);
int nPipe = cData.IndexOf("=");
while ((pRetVal != null) && (nPipe >= 0))
{
string cName = "<" + cData.Substring(0, nPipe).Trim() + ">";
string cValue;
cData = cData.Substring(nPipe + 1);
if (cData.Substring(0, 1) == "\"")
{
nPipe = cData.IndexOf("\"", 1);
cValue = cData.Substring(1, nPipe - 1).Trim();
}
else if (cData.Substring(0, 1) == "'")
{
nPipe = cData.IndexOf(" ");
cValue = cData.Substring(1, nPipe - 1).Trim();
}
else
{
nPipe = cData.IndexOf(" ");
cValue = StringTools.SubStr(cData, 0, nPipe).Trim();
}
if (nPipe > 0)
pRetVal = pRetVal.PlaceParsedData(cName, cValue);
cData = StringTools.SubStr(cData, nPipe + 1);
cData = ClearWhiteSpace(cData);
nPipe = cData.IndexOf("=");
}
if (bOneTag)
if (pRetVal != null) pRetVal = pRetVal.PlaceParsedData("</" + cNewTag + ">", "");
}
else if (bOneTag)
pRetVal = pCurrent;
else
pRetVal = pCurrent.PlaceParsedData(cElement, cElementData);
}
return pRetVal;
}
/*
private enum enum_section
{
VERSION = 0,
NONE = 1,
STARTTAG = 2,
ENDTAG = 3,
INFO = 4,
CDATA = 5
}
private enum enum_error
{
LAST_ELEMENT_NOT_END_TAG = 0,
INVALID_ESCAPE_SEQUENCE = 1,
EMPTY_XML_STRING = 2,
CHARS_AFTER_LAST_END_TAG = 3
}
*/
public bool Parse(string cXml, Dna pCurrent)
{
bool bGoodParse = true;
string cSendTag;
int nStart = 0;
Dna pOldCurrent = pCurrent;
if (cXml != null)
if (pCurrent != null)
try
{
int nEnd;
while ((nEnd = cXml.IndexOf(">", nStart)) >= 0)
{
if (pCurrent == null)
pCurrent = pOldCurrent;
int nStartTagLeft = nStart;
nStart = ++nEnd;
if (nStart >= cXml.Length)
break;
cSendTag = cXml.Substring(nStartTagLeft, nEnd - nStartTagLeft).Trim();
bool bCdata = false;
while ((cXml[nStart] == ' ') || (cXml[nStart] == '\t'))
++nStart;
if (nStart >= cXml.Length)
break;
if ((cXml[nStart] != '<') ||
((cXml[nStart + 1] == '!') && (bCdata = (cXml.Substring(nStart + 2, 7) == "[CDATA["))))
{
nStart = nEnd;
nEnd = cXml.IndexOf("</", nStart);
if ((nEnd >= 0) && (nStart != nEnd))
{
string cInfo;
if (!bCdata)
cInfo = cXml.Substring(nStart, nEnd - nStart);
else
{
int nCdataRight;
if ((nCdataRight = cXml.IndexOf("]]>", nStart + 9)) >= 0)
{
while ((cXml[nStart] == ' ') || (cXml[nStart] == '\t'))
++nStart;
cInfo = cXml.Substring(nStart + 9, nCdataRight - nStart - 9);
}
else
cInfo = ""; // bad CData section
}
nEnd = cXml.IndexOf(">", nEnd + 2);
nStart = ++nEnd;
pCurrent = ParseElement(ref pCurrent, cSendTag, cInfo);
}
if ((nEnd >= 0) && (cXml.Substring(nEnd, 2) == "</"))
{
while ((nEnd >= 0) && ((nEnd = cXml.IndexOf("<", nEnd + 2)) >= 0))
{
cSendTag = cXml.Substring(nStart, nEnd - nStart); // + 1
pCurrent = pCurrent.PlaceParsedData(cSendTag, "");
nStart = ++nEnd;
if ((nEnd >= cXml.Length) || (cXml.IndexOf("</", nEnd) < 0))
break;
}
}
}
else
{
// send object start tag
pOldCurrent = pCurrent;
pCurrent = ParseElement(ref pCurrent, cSendTag, "");
if (pCurrent == null)
{
pCurrent = pOldCurrent;
string cEndTag = cSendTag.Substring(0, 1) + "/" + cSendTag.Substring(1);
int nTemp = cXml.IndexOf(cEndTag, nStart);
if (nTemp >= 0)
{
nStart = nTemp + cEndTag.Length;
nEnd = nStart;
}
}
}
}
}
catch (Exception e)
{
ErrorMessage = "XMLParse Exception: " + e.Message;
bGoodParse = false;
}
return bGoodParse;
}
///<summary>
///</summary>
///<param name="parent"></param>
///<param name="endTagName"></param>
public void SetParentDna(Dna parent, string endTagName)
{
pParentDna = parent;
cEndTagName = endTagName;
}
