// This function parses a single tag and calls Parse() if it encounters subtags
string ParseTag(string eS, PT_XMLHashtable eH)
{
// search for "<"
int ndx = eS.IndexOf("<");
int end, end1, end2, end3;
if (ndx == -1)
{
// It's possible that this is just a string (e.g. <someTagTheStringIsInside>string</someTagTheStringIsInside>)
end3 = eS.IndexOf(">"); // This closes a standard tag; look for the closing tag
if (end3 == -1)
{
// In that case, we just need to add an @ key/value to the hashtable
eS = eS.Trim(); // I think this is redundant
//eH["@"] = eS;
eH.text = eS;
}
return(""); // We're done with this tag
}
// Ignore this if it is just an XML header (e.g. <?xml version="1.0"?>)
if (eS[ndx + 1] == '?')
{
// search for the closing tag of this header
int ndx2 = eS.IndexOf("?>");
string header = eS.Substring(ndx, ndx2 - ndx + 2);
//eH["@XML_Header"] = header;
eH.header = header;
return(eS.Substring(ndx2 + 2));
}
// Ignore this if it is an XML comment (e.g. <!-- Comment text -->)
if (eS[ndx + 1] == '!')
{
// search for the closing tag of this header
int ndx2 = eS.IndexOf("-->");
string comment = eS.Substring(ndx, ndx2 - ndx + 3);
if (SHOW_COMMENTS)
{
Debug.Log("XMl Comment: " + comment);
}
//eH["@XML_Header"] = header;
return(eS.Substring(ndx2 + 3));
}
// Find the end of the tag name
// For the next few comments, this is what happens when this character is the first one found after the beginning of the tag
end1 = eS.IndexOf(" ", ndx); // This means that we'll have attributes
end2 = eS.IndexOf("/", ndx); // Immediately closes the tag,
end3 = eS.IndexOf(">", ndx); // This closes a standard tag; look for the closing tag
if (end1 == -1)
{
end1 = int.MaxValue;
}
if (end2 == -1)
{
end2 = int.MaxValue;
}
if (end3 == -1)
{
end3 = int.MaxValue;
}
end = Mathf.Min(end1, end2, end3);
string tag = eS.Substring(ndx + 1, end - ndx - 1);
// search for this tag in eH. If it's not there, make it
if (!eH.ContainsKey(tag))
{
eH[tag] = new PT_XMLHashList();
}
// Create a hashtable to contain this tag's information
PT_XMLHashList arrL = eH[tag] as PT_XMLHashList;
//int thisHashIndex = arrL.Count;
PT_XMLHashtable thisHash = new PT_XMLHashtable();
arrL.Add(thisHash);
// Pull the attributes string
string atts = "";
if (end1 < end3)
{
try
{
atts = eS.Substring(end1, end3 - end1);
}
catch (System.Exception ex)
{
Debug.LogException(ex);
Debug.Log("break");
}
}
// Parse the attributes, which are all guaranteed to be strings
string att, val;
int eqNdx, spNdx;
while (atts.Length > 0)
{
atts = atts.Trim();
eqNdx = atts.IndexOf("=");
if (eqNdx == -1)
{
break;
}
att = atts.Substring(0, eqNdx);
spNdx = atts.IndexOf(" ", eqNdx);
if (spNdx == -1)
{ // This is the last attribute and doesn't have a space after it
val = atts.Substring(eqNdx + 1);
if (val[val.Length - 1] == '/')
{ // If the trailing / from /> was caught, remove it
val = val.Substring(0, val.Length - 1);
}
atts = "";
}
else
{ // This attribute has a space after it
val = atts.Substring(eqNdx + 1, spNdx - eqNdx - 2);
atts = atts.Substring(spNdx);
}
val = val.Trim('\"');
thisHash.AttSet(att, val);
}
// Pull the subs, which is everything contained by this tag but exclusing the tags on either side (e.g. <tag att="hi">.....subs.....</tag>)
string subs = "";
string leftoverString = "";
// singleLine means this doesn't have a separate closing tag (e.g. <tag att="hi" />)
bool singleLine = (end2 == end3 - 1);// ? true : false;
if (!singleLine)
{ // This is a multiline tag (e.g. <tag> .... </tag>)
// find the closing tag
int close = eS.IndexOf("</" + tag + ">");
if (close == -1)
{
Debug.Log("XMLReader ERROR: XML not well formed. Closing tag </" + tag + "> missing.");
return("");
}
subs = eS.Substring(end3 + 1, close - end3 - 1);
leftoverString = eS.Substring(eS.IndexOf(">", close) + 1);
}
else
{
leftoverString = eS.Substring(end3 + 1);
}
subs = subs.Trim();
// Call Parse if this contains subs
if (subs.Length > 0)
{
Parse(subs, thisHash);
}
// Trim and return the leftover string
leftoverString = leftoverString.Trim();
return(leftoverString);
}
