#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;
namespace Vici.Core.Parser.Config{
public class VelocityTokenizer : TemplateTokenizer
{
public VelocityTokenizer()
{
AddTokenMatcher(TemplateTokenType.IncludeFile, new VelocityTagMatcher("include"), true);
AddTokenMatcher(TemplateTokenType.IncludeFile, new VelocityTagMatcher("parse"), true);
AddTokenMatcher(TemplateTokenType.ForEach, new VelocityForEachMatcher(), true);
AddTokenMatcher(TemplateTokenType.EndBlock, new AnyOfStringMatcher("#end","#{end}"), true);
AddTokenMatcher(TemplateTokenType.If, new VelocityTagMatcher("if"), true);
AddTokenMatcher(TemplateTokenType.ElseIf, new VelocityTagMatcher("elseif"), true);
AddTokenMatcher(TemplateTokenType.Else, new AnyOfStringMatcher("#else","#{else}"), true);
AddTokenMatcher(TemplateTokenType.Statement, new WrappedExpressionMatcher("${#", "}"), true);
AddTokenMatcher(TemplateTokenType.Expression, new WrappedExpressionMatcher("${","}"));
AddTokenMatcher(TemplateTokenType.Expression, new DollarExpressionMatcher());
}
private class VelocityForEachMatcher : CompositeMatcher
{
public VelocityForEachMatcher()
: base(
new AnyOfStringMatcher("#foreach","#{foreach}"),
new WhiteSpacePaddedMatcher(new CharMatcher('(')),
new WhiteSpacePaddedMatcher(new VariableMatcher()),
new WhiteSpaceMatcher(),
new StringMatcher("in"),
new WhiteSpaceMatcher(),
new SmartExpressionMatcher(")"),
new CharMatcher(')'))
{
}
protected override string TranslateToken(string originalToken, CompositeTokenProcessor tokenProcessor)
{
string iterator = originalToken.Substring(tokenProcessor.StartIndexes[2], tokenProcessor.StartIndexes[3] - tokenProcessor.StartIndexes[2]).Trim();
string expr = originalToken.Substring(tokenProcessor.StartIndexes[6], tokenProcessor.StartIndexes[7] - tokenProcessor.StartIndexes[6]).Trim();
return iterator + '\0' + expr;
}
}
private class VelocityTagMatcher : CompositeMatcher
{
public VelocityTagMatcher(string keyword)
: base(
new AnyOfStringMatcher("#" + keyword, "#{" + keyword + "}"),
new WhiteSpacePaddedMatcher(new CharMatcher('(')),
new WhiteSpacePaddedMatcher(new SmartExpressionMatcher(")")),
new WhiteSpacePaddedMatcher(new CharMatcher(')'))
)
{
}
protected override string TranslateToken(string originalToken, CompositeTokenProcessor tokenProcessor)
{
return originalToken.Substring(tokenProcessor.StartIndexes[2], tokenProcessor.StartIndexes[3] - tokenProcessor.StartIndexes[2]).Trim();
}
}
}
}
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