private TemplateOccurence CompileOccurence(TemplateOccurence parent, Match m)
{
var tplContent = m.Groups[5].Value;
var tplAttributes = m.Groups[4].Value;
var tplName = m.Groups[3].Value;
var tpl = new TemplateOccurence
{
Name = tplName,
TplText = tplContent,
Index = m.Index,
Path = (parent != null ? parent.Path + "/" : "") + tplName,
Length = m.Length
};
tpl.Occurences = Compile(tpl, tplContent);
var regAttr = new Regex("([\\w_]*)=\"([^\"]*)\"");
foreach (var a in from Match match in regAttr.Matches(tplAttributes)
select new TemplateAttribute
{
Name = match.Groups[1].Value.ToLower(),
Value = match.Groups[2].Value.ToLower()
})
{
tpl.Attributes.Add(a.Name, a);
}
return(tpl);
}
public TemplateOccurence Select(string pattern)
{
if (string.IsNullOrEmpty(pattern))
{
return(Occurences.FirstOrDefault());
}
var occurences = Occurences;
var path = pattern.Split(new[] { '/' });
TemplateOccurence occ = null;
foreach (var t in path)
{
var t1 = t;
occ = occurences.FirstOrDefault(o => o.Name == t1);
if (occ == null)
{
return(null);
}
occurences = occ.Occurences.ToList();
}
return(occ);
}
private IEnumerable <TemplateOccurence> Compile(TemplateOccurence parent, string content)
{
var occurences = new List <TemplateOccurence>();
var tpls = Regex.Matches(content, RegularExpressionTemplate);
foreach (Match m in tpls)
{
var tplType = m.Groups[2].Value;
if (tplType != "for")
{
continue;
}
var o = CompileOccurence(parent, m);
var i = 0;
var fragment = "";
foreach (var to in o.Occurences)
{
fragment += o.TplText.Substring(i, (to.Index) - i);
i = to.Index + to.Length;
}
if (i < o.TplText.Length)
{
fragment += o.TplText.Substring(i, o.TplText.Length - i);
}
o.Fragment = fragment;
var matches = Regex.Matches(fragment, RegField);
var exprs = (from Match mexpr in matches select new TemplateExpression {
Name = mexpr.Groups[0].Value
}).ToList();
o.Expressions = exprs;
occurences.Add(o);
}
return(occurences);
}
