public XMLtag(string _params, XMLtag _parent)
{
bool withinQuotationMarks = false;
int previousSplitPosition = 0;
List <string> rawParams = new List <string>();
for (int i = 0; i < _params.Length; i++)
{
if (_params[i] == '\"' && !(i > 0 && _params[i - 1] == '\\'))
{
withinQuotationMarks = !withinQuotationMarks;
}
if (!withinQuotationMarks && _params[i] == ' ')
{
rawParams.Add(_params.Substring(previousSplitPosition, i - previousSplitPosition));
previousSplitPosition = i;
}
}
rawParams.Add(_params.Substring(previousSplitPosition, _params.Length - previousSplitPosition)); //because otherwise the last one wouldn't be caught
for (int i = rawParams.Count - 1; i >= 0; i--)
{
if (rawParams[i].Trim() == "")
{
rawParams.RemoveAt(i);
}
}
name = rawParams[0];
parent = _parent;
/* if (parent != null) {
* Console.WriteLine("new tag: " + name + ", child of " + parent.name);
* }
* else {
* Console.WriteLine("new tag: " + name + " at the root level");
* }*/
myParams = new ParamKeyValuePair[rawParams.Count - 1];
for (int i = 1; i < rawParams.Count; i++)
{
myParams[i - 1] = new ParamKeyValuePair(rawParams[i]);
Console.WriteLine(myParams[i - 1].key);
}
}
public XML(string input)
{
input = input.Trim();
int pos = 0;
ReadMode readMode = ReadMode.WAITING_FOR_TAG;
XMLtag currentTag = null;
int startOfIntraTagData = 0;
while (pos < input.Length)
{
switch (readMode)
{
case ReadMode.WAITING_FOR_TAG:
if (input[pos] != '<')
{
pos++;
}
else
{
readMode = ReadMode.READING_TAG;
if (currentTag != null && pos - startOfIntraTagData > 0)
{
currentTag.data = input.Substring(startOfIntraTagData, pos - startOfIntraTagData).Trim();
if (currentTag.data == "")
{
currentTag.data = null;
}
}
continue;
}
break;
case ReadMode.READING_TAG:
pos++; //skip opening '<'
int TagDataStartPos = pos;
int TagDataLength = 0;
bool withinQuotationMarks = false;
while (!(input[pos] == '>' && !withinQuotationMarks)) //until we reach the end of the tag and have left quotation marks
{
if (input[pos] == '\"')
{
withinQuotationMarks = !withinQuotationMarks;
}
pos++;
TagDataLength++;
}
pos++;
//test what kind of tag this is
if (input[TagDataStartPos] == '?')
{
currentTag = new XMLtag(input.Substring(TagDataStartPos + 1, TagDataLength - 2), currentTag);
if (currentTag.parent == null) //then we are at the root level
{
tags.Add(currentTag);
}
else
{
currentTag.parent.children.Add(currentTag);
}
currentTag = currentTag.parent; //just go back to the parent because a tag with '?' as the first char never has any children
}
else if (input[TagDataStartPos] == '/') //end the current tag and go back up
{
currentTag = currentTag.parent;
}
else
{
bool goUp = false;
if (input[TagDataStartPos + (TagDataLength - 1)] == '/') //a tag with no children
{
currentTag = new XMLtag(input.Substring(TagDataStartPos, TagDataLength - 1), currentTag);
goUp = true;
}
else
{
currentTag = new XMLtag(input.Substring(TagDataStartPos, TagDataLength), currentTag);
}
if (currentTag.parent == null) //then we are at the root level
{
tags.Add(currentTag);
}
else
{
currentTag.parent.children.Add(currentTag);
}
if (goUp) //this was a one-and-done tag and ended itself, so return to the parent
{
currentTag = currentTag.parent;
}
}
readMode = ReadMode.WAITING_FOR_TAG;
startOfIntraTagData = pos;
break;
}
}
Console.WriteLine("Finished parsing XML");
}
