public ElementToken(int index, RangeList rangeList)
: base(rangeList)
{
_startIndex = index;
_rangeList = rangeList;
Tokens = new LinkedList<ParseToken>();
Attributes = new Dictionary<string, string>();
}
public static RootToken Parse(string text)
{
var root = XElement.Parse(text, LoadOptions.PreserveWhitespace);
var rlist = new RangeList(root.Value);
var rn = new RootToken(root, rlist);
//ParamParser.Parse(rn);
RemoveWhitespaces(rn, rlist);
RemoveFormating(rn);
return rn;
}
static ParseToken Create(XNode node, int index, RangeList list)
{
if (node is XText)
{
var len = ((XText)node).Value.Length;
return new TextToken(index, len, list);
}
if (node is XElement)
{
var el = (XElement)node;
var en = new ElementToken(index, list);
ParseElement(en, el, index, list);
return en;
}
throw new NotSupportedException(node.NodeType.ToString());
}
static void ParseElement(ElementToken en, XElement el, int index, RangeList list)
{
// parse name & attributes
en.Name = el.Name.ToString();
foreach (var attr in el.Attributes())
{
en.Attributes[attr.Name.ToString()] = attr.Value;
}
// parse nodes
foreach (var node in el.Nodes())
{
var pn = Create(node, index, list);
en.Tokens.AddLast(pn);
index += pn.Length;
}
}
static void ClearParamsInPre(ElementToken token, RangeList list)
{
foreach (var node in token.Tokens)
{
if (!(node is ElementToken)) continue;
var el = (ElementToken)node;
if (el.Name != "params")
{
ClearParamsInPre(el, list);
}
else
{
var i1 = el.StartIndex;
var i2 = el.EndIndex;
// clear range
ClearRange(i1, i2, list);
}
}
}
static void ClearRange(int i1, int i2, RangeList list)
{
if (i1 == i2) return;
var str = list.GetText(i1, i2 - i1);
// find seq-s of whitespace
var regex = new Regex("\\s+");
var ms = regex.Matches(str);
foreach (Match m in ms)
{
var j1 = i1 + m.Index;
var j2 = j1 + m.Length;
list.Chars[j1] = ' ';
for (var i = j1 + 1; i < j2; i++)
{
list.Chars[i] = '\0';
}
}
}
static int Clear(int i1, ElementToken root, RangeList list)
{
foreach (var node in root.Tokens)
{
var i2 = node.StartIndex;
if (!(node is ElementToken)) continue;
var el = (ElementToken)node;
if (el.Name != "pre")
{
i1 = Clear(i1, el, list);
}
else
{
ClearParamsInPre(el, list);
// clear range
ClearRange(i1, i2, list);
i1 = el.EndIndex;
}
}
return i1;
}
static void RemoveWhitespaces(RootToken rt, RangeList list)
{
//var i1 = Clear(rt.StartIndex, rt, list);
//ClearRange(i1, rt.EndIndex, list);
}
private TextToken(RangeList rangeList)
: base(rangeList)
{
}
public TextToken(int index, int len, RangeList rangeList)
: base(rangeList)
{
Range = _rangeList.AddRange(index, len);
}
public RootToken(XElement root, RangeList rangeList)
: base(0, rangeList)
{
ParseElement(this, root, 0, _rangeList);
}
protected ParseToken(RangeList rangeList)
{
_rangeList = rangeList;
Tokens = new LinkedList<ParseToken>();
}
protected ParseToken(RangeList rangeList)
{
_rangeList = rangeList;
Tokens = new LinkedList <ParseToken>();
}
public RootToken(XElement root, RangeList rangeList)
: base(0, rangeList)
{
ParseElement(this, root, 0, _rangeList);
}