#region License
//=============================================================================
// Vici Core - Productivity Library for .NET 3.5
//
// Copyright (c) 2008-2010 Philippe Leybaert
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//=============================================================================
#endregion
using System;
using System.Text.RegularExpressions;
namespace Vici.Core.Parser.Config{
public class XmlTokenizer: TemplateTokenizer
{
private class XmlDollarExpressionMatcher : CompositeMatcher
{
public XmlDollarExpressionMatcher()
: base(
new CharMatcher('$'),
new SmartExpressionMatcher(" \t\r\n\"'<")
)
{
}
protected override string TranslateToken(string originalToken, CompositeTokenProcessor tokenProcessor)
{
return originalToken.Substring(1);
}
}
private class ForeachTokenMatcher : WrappedExpressionMatcher
{
public ForeachTokenMatcher() : base("<foreach" , ">")
{
}
protected override string TranslateToken(string originalToken, WrappedExpressionMatcher tokenProcessor)
{
string s = base.TranslateToken(originalToken, tokenProcessor);
Match m = Regex.Match(s, @"^var=(?<q>""|')(?<iterator>[a-z_][a-z0-9_]*)\k<q>\s+in=(?<q>""|')(?<expr>.*?)\k<q>$");
return m.Groups["iterator"].Value + "\0" + m.Groups["expr"].Value;
}
}
private class IfTokenMatcher : WrappedExpressionMatcher
{
public IfTokenMatcher(string tag) : base("<"+tag, ">")
{
}
protected override string TranslateToken(string originalToken, WrappedExpressionMatcher tokenProcessor)
{
string s = base.TranslateToken(originalToken, tokenProcessor);
Match m = Regex.Match(s, @"^condition=(?<q>""|')(?<condition>.*)\k<q>$");
return m.Groups["condition"].Value;
}
}
public XmlTokenizer()
{
AddTokenMatcher(TemplateTokenType.Expression, new WrappedExpressionMatcher("${","}") );
AddTokenMatcher(TemplateTokenType.Statement, new WrappedExpressionMatcher("<!--${", "}-->"));
AddTokenMatcher(TemplateTokenType.Expression, new XmlDollarExpressionMatcher());
AddTokenMatcher(TemplateTokenType.EndBlock, new StringMatcher("</if>"), true);
AddTokenMatcher(TemplateTokenType.EndBlock, new StringMatcher("</foreach>"), true);
AddTokenMatcher(TemplateTokenType.Else, new StringMatcher("<else/>"), true);
AddTokenMatcher(TemplateTokenType.ForEach, new ForeachTokenMatcher(), true);
AddTokenMatcher(TemplateTokenType.If, new IfTokenMatcher("if"), true);
AddTokenMatcher(TemplateTokenType.ElseIf, new IfTokenMatcher("elseif"), true);
}
}
}
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