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CodeDom Assistant

, 21 Sep 2007
Generating CodeDom Code By Parsing C# or VB
codedomassistant_demo.zip
CodeDomAssistant_Demo
CodeDomAssistant.exe
ICSharpCode.NRefactory.dll
RemoteLoader.dll
SciLexer.dll
ScintillaNet.dll
codedomassistant_src.zip
sln.CodeDomAssistant
CodeDomAssistant
bin
Debug
SciLexer.dll
Properties
Settings.settings
NRefactory
NRefactoryASTGenerator
AST
Project
Configuration
Resources
ICSharpCode.NRefactory.snk
Src
Ast
General
Lexer
BuildKeywords.pl
CSharp
Special
VBNet
Parser
CSharp
cs.ATG
Frames
Parser.frame
Scanner.frame
SharpCoco.exe
VBNet
VBNET.ATG
PrettyPrinter
CSharp
VBNet
Visitors
Test
General
Lexer
CSharp
VBNet
Output
CodeDOM
CSharp
VBNet
Parser
Expressions
GlobalScope
Statements
TypeLevel
RemoteLoader
Properties
ScintillaNET
Configuration
Builtin
LexerKeywordListNames
LexerStyleNames
FindReplace
Printing
Properties
Resources
DeleteHS.png
GoToNextMessage - Copy.png
GoToNextMessage.png
GoToPreviousMessage.png
LineColorHS.png
Thumbs.db
ScintillaNET.csproj.vspscc
Snippets
// <file>
//     <copyright see="prj:///doc/copyright.txt"/>
//     <license see="prj:///doc/license.txt"/>
//     <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
//     <version>$Revision: 2522 $</version>
// </file>

using System;
using System.Collections;
using System.Text;

namespace ICSharpCode.NRefactory.PrettyPrinter
{
	/// <summary>
	/// Base class of output formatters.
	/// </summary>
	public abstract class AbstractOutputFormatter : IOutputFormatter
	{
		StringBuilder text = new StringBuilder();
		
		int           indentationLevel = 0;
		bool          indent         = true;
		bool          doNewLine      = true;
		AbstractPrettyPrintOptions prettyPrintOptions;
		
		public int IndentationLevel {
			get {
				return indentationLevel;
			}
			set {
				indentationLevel = value;
			}
		}
		
		public string Text {
			get {
				return text.ToString();
			}
		}
		
		public int TextLength {
			get {
				return text.Length;
			}
		}
		
		
		public bool DoIndent {
			get {
				return indent;
			}
			set {
				indent = value;
			}
		}
		
		public bool DoNewLine {
			get {
				return doNewLine;
			}
			set {
				doNewLine = value;
			}
		}
		
		protected AbstractOutputFormatter(AbstractPrettyPrintOptions prettyPrintOptions)
		{
			this.prettyPrintOptions = prettyPrintOptions;
		}
		
		public void Indent()
		{
			if (DoIndent) {
				int indent = 0;
				while (indent < prettyPrintOptions.IndentSize * indentationLevel) {
					char ch = prettyPrintOptions.IndentationChar;
					if (ch == '\t' && indent + prettyPrintOptions.TabSize > prettyPrintOptions.IndentSize * indentationLevel) {
						ch = ' ';
					}
					text.Append(ch);
					if (ch == '\t') {
						indent += prettyPrintOptions.TabSize;
					} else {
						++indent;
					}
				}
			}
		}
		
		public void Space()
		{
			text.Append(' ');
		}
		
		internal int lastLineStart = 0;
		internal int lineBeforeLastStart = 0;
		
		public bool LastCharacterIsNewLine {
			get {
				return text.Length == lastLineStart;
			}
		}
		
		public bool LastCharacterIsWhiteSpace {
			get {
				return text.Length == 0 || char.IsWhiteSpace(text[text.Length - 1]);
			}
		}
		
		public virtual void NewLine()
		{
			if (DoNewLine) {
				if (!LastCharacterIsNewLine) {
					lineBeforeLastStart = lastLineStart;
				}
				text.AppendLine();
				lastLineStart = text.Length;
			}
		}
		
		public virtual void EndFile()
		{
		}
		
		protected void WriteLineInPreviousLine(string txt, bool forceWriteInPreviousBlock)
		{
			WriteInPreviousLine(txt + Environment.NewLine, forceWriteInPreviousBlock);
		}
		
		protected void WriteInPreviousLine(string txt, bool forceWriteInPreviousBlock)
		{
			if (txt.Length == 0) return;
			
			bool lastCharacterWasNewLine = LastCharacterIsNewLine;
			if (lastCharacterWasNewLine) {
				if (forceWriteInPreviousBlock == false) {
					if (txt != Environment.NewLine) Indent();
					text.Append(txt);
					lineBeforeLastStart = lastLineStart;
					lastLineStart = text.Length;
					return;
				}
				lastLineStart = lineBeforeLastStart;
			}
			string lastLine = text.ToString(lastLineStart, text.Length - lastLineStart);
			text.Remove(lastLineStart, text.Length - lastLineStart);
			if (txt != Environment.NewLine) {
				if (forceWriteInPreviousBlock) ++indentationLevel;
				Indent();
				if (forceWriteInPreviousBlock) --indentationLevel;
			}
			text.Append(txt);
			lineBeforeLastStart = lastLineStart;
			lastLineStart = text.Length;
			text.Append(lastLine);
			if (lastCharacterWasNewLine) {
				lineBeforeLastStart = lastLineStart;
				lastLineStart = text.Length;
			}
		}
		
		/// <summary>
		/// Prints a text that cannot be inserted before using WriteInPreviousLine
		/// into the current line
		/// </summary>
		protected void PrintSpecialText(string specialText)
		{
			lineBeforeLastStart = text.Length;
			text.Append(specialText);
			lastLineStart = text.Length;
		}
		
		public void PrintTokenList(ArrayList tokenList)
		{
			foreach (int token in tokenList) {
				PrintToken(token);
				Space();
			}
		}
		
		public abstract void PrintComment(Comment comment, bool forceWriteInPreviousBlock);
		
		public virtual void PrintPreprocessingDirective(PreprocessingDirective directive, bool forceWriteInPreviousBlock)
		{
			if (string.IsNullOrEmpty(directive.Arg))
				WriteLineInPreviousLine(directive.Cmd, forceWriteInPreviousBlock);
			else
				WriteLineInPreviousLine(directive.Cmd + " " + directive.Arg, forceWriteInPreviousBlock);
		}
		
		public void PrintBlankLine(bool forceWriteInPreviousBlock)
		{
			WriteInPreviousLine(Environment.NewLine, forceWriteInPreviousBlock);
		}
		
		public abstract void PrintToken(int token);
		
		public void PrintText(string text)
		{
			this.text.Append(text);
		}
		
		public abstract void PrintIdentifier(string identifier);
	}
}

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About the Author

raygilbert
Web Developer
Australia Australia
No Biography provided

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