123 lines
4.3 KiB
C#
123 lines
4.3 KiB
C#
#region License Statement
|
|
// Copyright (c) L.A.B.Soft. All rights reserved.
|
|
//
|
|
// The use and distribution terms for this software are covered by the
|
|
// Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
|
|
// which can be found in the file CPL.TXT at the root of this distribution.
|
|
// By using this software in any fashion, you are agreeing to be bound by
|
|
// the terms of this license.
|
|
//
|
|
// You must not remove this notice, or any other, from this software.
|
|
#endregion
|
|
|
|
#region Using Statements
|
|
using System.Text.RegularExpressions;
|
|
#endregion
|
|
|
|
|
|
namespace Textile
|
|
{
|
|
public partial class TextileFormatter
|
|
{
|
|
private readonly Regex VelocityArguments =
|
|
new Regex("nostyle(?<arg>.*?)/nostyle", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
private string argMatchReplace(Match match)
|
|
{
|
|
return match.Result("${arg}");
|
|
}
|
|
|
|
#region Formatting Methods
|
|
|
|
/// <summary>
|
|
/// Formats the given text.
|
|
/// </summary>
|
|
/// <param name="input">The text to format.</param>
|
|
public void Format(string input)
|
|
{
|
|
Output.Begin();
|
|
|
|
// Clean the text...
|
|
var str = PrepareInputForFormatting(input);
|
|
// ...and format each line.
|
|
foreach (var line in str.Split('\n'))
|
|
{
|
|
var tmp = line;
|
|
|
|
// Let's see if the current state(s) is(are) finished...
|
|
while (CurrentState != null && CurrentState.ShouldExit(tmp))
|
|
PopState();
|
|
|
|
if (!Regex.IsMatch(tmp, @"^\s*$"))
|
|
{
|
|
// Figure out the new state for this text line, if possible.
|
|
if (CurrentState == null || CurrentState.ShouldParseForNewFormatterState(tmp))
|
|
{
|
|
tmp = HandleFormattingState(tmp);
|
|
}
|
|
// else, the current state doesn't want to be superceded by
|
|
// a new one. We'll leave him be.
|
|
|
|
// Modify the line with our block modifiers.
|
|
if (CurrentState == null || CurrentState.ShouldFormatBlocks(tmp))
|
|
{
|
|
foreach (var blockModifier in s_blockModifiers)
|
|
{
|
|
//TODO: if not disabled...
|
|
tmp = blockModifier.ModifyLine(tmp);
|
|
}
|
|
|
|
for (var i = s_blockModifiers.Count - 1; i >= 0; i--)
|
|
{
|
|
var blockModifier = s_blockModifiers[i];
|
|
tmp = blockModifier.Conclude(tmp);
|
|
}
|
|
}
|
|
|
|
tmp = VelocityArguments.Replace(tmp, argMatchReplace);
|
|
|
|
// Format the current line.
|
|
CurrentState.FormatLine(tmp);
|
|
}
|
|
}
|
|
// We're done. There might be a few states still on
|
|
// the stack (for example if the text ends with a nested
|
|
// list), so we must pop them all so that they have
|
|
// their "Exit" method called correctly.
|
|
while (m_stackOfStates.Count > 0)
|
|
PopState();
|
|
|
|
Output.End();
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Preparation Methods
|
|
|
|
/// <summary>
|
|
/// Cleans up a text before formatting.
|
|
/// </summary>
|
|
/// <param name="input">The text to clean up.</param>
|
|
/// <returns>The clean text.</returns>
|
|
/// This method cleans stuff like line endings, so that
|
|
/// we don't have to bother with it while formatting.
|
|
private string PrepareInputForFormatting(string input)
|
|
{
|
|
input = CleanWhiteSpace(input);
|
|
return input;
|
|
}
|
|
|
|
private string CleanWhiteSpace(string text)
|
|
{
|
|
text = text.Replace("\r\n", "\n");
|
|
text = text.Replace("\t", "");
|
|
text = Regex.Replace(text, @"\n{3,}", "\n\n");
|
|
text = Regex.Replace(text, @"\n *\n", "\n\n");
|
|
text = Regex.Replace(text, "\"$", "\" ");
|
|
return text;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|