HtmlPrinter.java

package jd.cli.printer.html;

import jd.cli.util.VersionUtil;
import jd.core.CoreConstants;
import jd.core.printer.Printer;

import java.io.PrintStream;

/*
 * CSS
 * .javacode{font-size:11px}
 * .javacode .linenumber, .javacode .l, i{color:#3f7f5f}
 * .javacode .keyword, .javacode .k, b{color:#7f0055;font-weight:bold}
 * .javacode .comment, .javacode .t, cite{color:#3f7f5f}
 * .javacode .javadoc, .javacode .d, dfn{color:#3f5fbf}
 * .javacode .error, .javacode .e, span{color:#ff0000}
 * .javacode .annotationname, .javacode .a, del{color:#646464}
 * .javacode .constant, .javacode .c, u{color:#2a00ff}
 * .javacode .field, .javacode .f, var{color:#0000c0}
 * .javacode .staticfield, .javacode .g, em{color:#0000c0;font-style:italic}
 * .javacode .staticmethod, .javacode .n, samp{font-style:italic}
 * .javacode .debuglayoutblock{background-color:#ccffff;border:1px solid #99eeee}
 * .javacode .debugseparatorlayoutblock{background-color:#ccffcc;border:1px solid #99ee99}
 * .javacode .debugstatementblocklayoutblock{background-color:#ffcccc;border:1px solid #ee9999}
 * .javacode .debugenumblocklayoutblock{background-color:#ffffcc;border:1px solid #eeee99} 
 * .javacode .debugcommentdeprecatedlayoutblock{background-color:#fefefe;border:1px solid #e9e9e9}
 * .javacode .debugmarker{background-color:#ffd2ff;border:1px solid #cfb2cf}
 * .javacode .extraline, .javacode .x, s
 * .javacode .optionalthisprefix, .javacode .o, kbd
 * .javacode .metadata, .javacode .m, ins
 */
public class HtmlPrinter implements Printer 
{
	private final static boolean DEBUG = true;
	
	private PrintStream printStream;
	private StringBuffer sbLineNumber;
	private StringBuffer sbCode;
	private int maxLineNumber;
	private int majorVersion;
	private int minorVersion;
	private int realLineNumber;
	private String realLineNumberFormatPrefix;
	private String lineNumberFormatPrefix;
	private String unknownLineNumberPrefix;
	private int indentationCount;
	private int commentJavadocErrorDepth;

	public HtmlPrinter(PrintStream printStream)
	{
		this.printStream = printStream;
		this.sbLineNumber = new StringBuffer(10*1024);
		this.sbCode = new StringBuffer(30*1024);
	}

	public void print(byte b) { this.sbCode.append(String.valueOf(b)); }
	public void print(char c) 
	{
		switch (c)
		{
		case '<':
			this.sbCode.append("<"); 
			break;
		case '>':
			this.sbCode.append(">"); 
			break;
		default:
			this.sbCode.append(String.valueOf(c)); 
			break;
		}
	}
	public void print(int i) { this.sbCode.append(String.valueOf(i)); }
	public void print(String s) { this.sbCode.append(s); }

	public void printNumeric(String s)
	{
		this.sbCode.append("<u>");
		this.sbCode.append(s);
		this.sbCode.append("</u>");
	}
	
	public void printString(String s, String scopeInternalName) 
	{
		this.sbCode.append("<u>");
		
		// Replace '<' by '<'
		int length = s.length();

		if (length > 0)
		{
			for (int i=0; i<length; i++)
			{
				char c = s.charAt(i);
				
				if (c == '<')
					this.sbCode.append("<");
				else
					this.sbCode.append(c);
			}
		}		

		this.sbCode.append("</u>");
	}
	
	public void printKeyword(String s) 
	{
		if (this.commentJavadocErrorDepth == 0)
		{
			this.sbCode.append("<b>");
			this.sbCode.append(s);
			this.sbCode.append("</b>");
		}
		else
		{
			this.sbCode.append(s);		
		}
	}
	
	public void printJavaWord(String s) { printKeyword(s); }

	public void printType(String internalName, String name, String scopeInternalName)
	{
		this.sbCode.append(name);
	}
	public void printTypeDeclaration(String internalName, String name) 
	{
		this.sbCode.append(name);
	}
	public void printTypeImport(String internalName, String name)
	{
		this.sbCode.append(name);
	}

	public void printField(
		String internalName, String name, 
		String descriptor, String scopeInternalName) 
	{
		printFieldDeclaration(internalName, name, descriptor);
	}
	public void printFieldDeclaration(
		String internalName, String name, String descriptor) 
	{
		this.sbCode.append("<var>");
		this.sbCode.append(name);
		this.sbCode.append("</var>");
	}
	
	public void printStaticField(
		String internalName, String name, 
		String descriptor, String scopeInternalName) 
	{
		printStaticFieldDeclaration(internalName, name, descriptor);
	}
	public void printStaticFieldDeclaration(
		String internalName, String name, String descriptor) 
	{
		this.sbCode.append("<em>");
		this.sbCode.append(name);
		this.sbCode.append("</em>");	
	}
	
	public void printConstructor(
		String internalName, String name, 
		String descriptor, String scopeInternalName) 
	{ 
		this.sbCode.append(name); 
	}
	public void printConstructorDeclaration(
		String internalName, String name, String descriptor) 
	{
		this.sbCode.append(name);
	}
	
	public void printStaticConstructorDeclaration(
		String internalName, String name) 
	{
		this.sbCode.append("<samp>");
		this.sbCode.append(name);
		this.sbCode.append("</samp>");	
	}
	
	public void printMethod(
		String internalName, String name, 
		String descriptor, String scopeInternalName) 
	{
		this.sbCode.append(name);
	}
	public void printMethodDeclaration(
		String internalName, String name, String descriptor) 
	{
		this.sbCode.append(name);
	}
	
	public void printStaticMethod(
		String internalName, String name, 
		String descriptor, String scopeInternalName) 
	{
		printStaticMethodDeclaration(internalName, name, descriptor);
	}
	public void printStaticMethodDeclaration(
		String internalName, String name, String descriptor) 
	{
		this.sbCode.append("<samp>");
		this.sbCode.append(name);
		this.sbCode.append("</samp>");
	}
	
	public void start(int maxLineNumber, int majorVersion, int minorVersion) 
	{
		this.maxLineNumber = maxLineNumber;
		this.majorVersion = majorVersion;
		this.minorVersion = minorVersion;
		this.realLineNumber = 0;
		this.indentationCount = 0;
		this.commentJavadocErrorDepth = 0;

		int digitCount = 1;
		int maximum = 9;

		while (maximum < maxLineNumber)
		{
			digitCount++;
			maximum = maximum*10 + 9;
		}

		this.realLineNumberFormatPrefix = "%" + (digitCount+1) + "d:";
		this.lineNumberFormatPrefix = "%" + digitCount + "d<br>";
		
		StringBuilder sb = new StringBuilder(digitCount + 7);
		sb.append("%" + (digitCount+1) + "d:");
		for (int i=0; i<digitCount; i++) sb.append(' ');
		sb.append("<br>");
		this.unknownLineNumberPrefix = sb.toString();	
		
		this.printStream.print(
			"<html><head><style type='text/css'>" +
			
			"body,html{font-family:Lucida Grande,Lucida Sans Unicode,Arial,sans-serif;font-size:90%}" +

			"#demo .out{background-color:#FFFFFF}" +
			"#demo .out .content{padding:0px;font-size:12px;font-family:courier new,courier;white-space:pre;border-radius:0 0 10px 10px}" +
			"#demo .out .content .e{color:#FF0000;margin:10px}" +
			"#linenumber{float:left;margin:0;padding:1px 8px 5px 1px;border-style:solid;border-color:#888888;border-width:0 1px 0 0;color:#888888}" +
			"#linenumber s{text-decoration:none}" +
			"#linenumber span{color:#FF0000;font-style:normal}" +
			"#javacode{padding:0 0 5px 0;margin:1px 5px 1px 5px;color:black}" +
			"#javacode i{color:#3f7f5f;font-style:normal}" +
			"#javacode b{color:#7f0055;font-weight:bold;line-height:1}" +
			"#javacode s{text-decoration:none}" +
			"#javacode cite{color:#3F7F5F;font-style:normal}" +
			"#javacode dfn{color:#3f5fbf;font-style:normal}" +
			"#javacode dfn b{color:#3F5FBF}" +
			"#javacode span{color:#FF0000;font-style:normal}" +
			"#javacode del{color:#646464;text-decoration:none}" +
			"#javacode kbd{font-family:courier new,courier}" +
			"#javacode u{color:#2a00ff;text-decoration:none}" +
			"#javacode var{color:#0000c0;font-style:normal}" +
			"#javacode em{color:#0000c0;font-style:italic;line-height:1}" +
			"#javacode samp{font-style:italic;line-height:1}" +
			"#javacode .debuglayoutblock{color:#000000;background-color:#ccffff;border:1px solid #99eeee}" +
			"#javacode .debugseparatorlayoutblock{color:#000000;background-color:#ccffcc;border:1px solid #99ee99}" +
			"#javacode .debugstatementblocklayoutblock{color:#000000;background-color:#ffcccc;border:1px solid #ee9999}" +
			"#javacode .debugenumblocklayoutblock{color:#000000;background-color:#ffffcc;border:1px solid #eeee99}" +
			"#javacode .debugcommentdeprecatedlayoutblock{color:#000000;background-color:#fefefe;border:1px solid #e9e9e9}" +
			"#javacode .debugmarker{color:#000000;background-color:#ffd2ff;border:1px solid #cfb2cf}" +
			"#javacode .debugcaseblocklayoutblock{color:#000000;background-color:#ffde66;border:1px solid #ff9a11}" +
			"#metadata{padding:5px;color:#444444;background-color:#EEEEEE;border-radius:0 0 10px 10px;font-size:11px}" +

			"</style>" +
			"</head><body>" +
			"<h1>Preview</h1>" +
			"<div id='demo'><div class='out'><div class='content'>");		
	}

	public void end() 
	{	
		if (this.maxLineNumber > 0)
		{
			this.printStream.print("<div id='linenumber'>");
			this.printStream.print(this.sbLineNumber.toString());
			this.printStream.print("</div>");
		}

		this.printStream.print("<div id='javacode'>");
		this.printStream.print(this.sbCode.toString());
		this.printStream.print("</div>");
		
		this.printStream.print("<div id='metadata'>");		
		this.printStream.print("Java Class Version: " + VersionUtil.getJDKVersion(this.majorVersion, this.minorVersion) + "<br>");
		this.printStream.print("JD-CL Version:      " + "0.1.0" + "<br>");
		this.printStream.print("JD-Core Version:    " + CoreConstants.JD_CORE_VERSION);
		this.printStream.print("</div>");
		
		this.printStream.print("</div></div></div></body></html>");		
	}
	
	public void indent()
	{
		this.indentationCount++;		
	}
	public void desindent()
	{
		if (this.indentationCount > 0)
			this.indentationCount--;
	}

	public void startOfLine(int lineNumber) 
	{
		this.realLineNumber++;
		
		if (this.maxLineNumber > 0)
		{
			if (lineNumber == UNKNOWN_LINE_NUMBER)
			{
				this.sbLineNumber.append(String.format(
					this.unknownLineNumberPrefix, this.realLineNumber));
			}
			else
			{
				this.sbLineNumber.append(String.format(
						this.realLineNumberFormatPrefix, this.realLineNumber));
				
				if (this.realLineNumber == lineNumber)
				{
					this.sbLineNumber.append(String.format(
						this.lineNumberFormatPrefix, lineNumber));
				}
				else
				{
					this.sbLineNumber.append("<span>");
					this.sbLineNumber.append(String.format(
						this.lineNumberFormatPrefix, lineNumber));	
					this.sbLineNumber.append("</span>");
				}
			}
		}
				
		for (int i=0; i<indentationCount; i++)
			this.sbCode.append("  ");
	}

	public void endOfLine() 
	{ 
		this.sbCode.append("<br>");
	}

	public void extraLine(int count)
	{
		if (this.maxLineNumber > 0)
		{
			this.sbLineNumber.append("<s>");
		}
		this.sbCode.append("<s>"); 
		
		while (count-- > 0)
		{
			this.realLineNumber++;
	
			if (this.maxLineNumber > 0)
			{
				this.sbLineNumber.append(String.format(
					this.unknownLineNumberPrefix, this.realLineNumber));
			}
			
			this.sbCode.append("<br>"); 
		}
		
		if (this.maxLineNumber > 0)
		{
			this.sbLineNumber.append("</s>");
		}
		this.sbCode.append("</s>"); 
	}

	public void startOfComment()
	{
		this.sbCode.append("<cite>");
		this.commentJavadocErrorDepth++;
	}
	public void endOfComment()
	{
		this.sbCode.append("</cite>");
		this.commentJavadocErrorDepth--;
	}

	public void startOfJavadoc()
	{
		this.sbCode.append("<dfn>");
		this.commentJavadocErrorDepth++;
	}
	public void endOfJavadoc()
	{
		this.sbCode.append("</dfn>");
		this.commentJavadocErrorDepth--;
	}	

	public void startOfXdoclet() { this.sbCode.append("<b>"); }
	public void endOfXdoclet() { this.sbCode.append("</b>"); }

	public void startOfError()
	{
		this.sbCode.append("<span>");
		this.commentJavadocErrorDepth++;
	}
	public void endOfError()
	{
		this.sbCode.append("</span>");
		this.commentJavadocErrorDepth--;
	}
	
	public void startOfImportStatements() {}
	public void endOfImportStatements() {}

	public void startOfTypeDeclaration(String internalPath) {}
	public void endOfTypeDeclaration() {}

	public void startOfAnnotationName()
	{
		this.sbCode.append("<del>");
	}
	public void endOfAnnotationName()
	{
		this.sbCode.append("</del>");
	}
	
	public void startOfOptionalPrefix()
	{
		this.sbCode.append("<kbd>");
	}
	public void endOfOptionalPrefix()
	{
		this.sbCode.append("</kbd>");
	}
	
	public void debugStartOfLayoutBlock()
	{
		if (DEBUG)
		{
			this.sbCode.append("<span class='debuglayoutblock' alt='block'>");
		}
	}
	public void debugEndOfLayoutBlock()
	{
		if (DEBUG)
		{
			this.sbCode.append("</span>");
		}
	}
	
	public void debugStartOfSeparatorLayoutBlock()
	{
		if (DEBUG)
		{
			this.sbCode.append("<span class='debugseparatorlayoutblock' alr='separator'>");
		}
	}
	public void debugEndOfSeparatorLayoutBlock(int min, int value, int max)
	{		
		if (DEBUG)
		{
			// DEBUG // this.sb.append(min);		
			// DEBUG // this.sb.append("<=");		
			// DEBUG // this.sb.append(value);		
			// DEBUG // this.sb.append("<=");		
			// DEBUG // this.sb.append(max);		
			this.sbCode.append("</span>");
		}
	}
	
	public void debugStartOfStatementsBlockLayoutBlock()
	{
		if (DEBUG)
		{
			this.sbCode.append("<span class='debugstatementblocklayoutblock' alt='statement'>");
		}
	}
	public void debugEndOfStatementsBlockLayoutBlock(int min, int value, int max)
	{
		if (DEBUG)
		{
			// DEBUG // this.sb.append(min);		
			// DEBUG // this.sb.append("<=");		
			// DEBUG // this.sb.append(value);		
			// DEBUG // this.sb.append("<=");		
			// DEBUG // this.sb.append(max);
			this.sbCode.append("</span>");
		}
	}

	public void debugStartOfInstructionBlockLayoutBlock() 
	{
		if (DEBUG)
		{
			this.sbCode.append("<span class='debugenumblocklayoutblock' alt='numeric block'>");
		}
	}
	public void debugEndOfInstructionBlockLayoutBlock() 
	{
		if (DEBUG)
		{
			this.sbCode.append("</span>");
		}
	}

	public void debugStartOfCommentDeprecatedLayoutBlock()
	{
		if (DEBUG)
		{
			this.sbCode.append("<span class='debugcommentdeprecatedlayoutblock' alt='comment deprecated'>");
		}
	}
	public void debugEndOfCommentDeprecatedLayoutBlock()
	{
		if (DEBUG)
		{
			this.sbCode.append("</span>");
		}
	}
	
	public void debugMarker(String marker)
	{
		if (DEBUG)
		{
			// DEBUG // this.sb.append("<span class='debugmarker'>");
			// DEBUG // this.sb.append(marker);
			// DEBUG // this.sb.append("</span>");
		}
	}

	public void debugStartOfCaseBlockLayoutBlock() 
	{
		if (DEBUG)
		{
			this.sbCode.append("<span class='debugcaseblocklayoutblock' alt='case block'>");
		}
	}
	public void debugEndOfCaseBlockLayoutBlock() 
	{
		if (DEBUG)
		{
			this.sbCode.append("</span>");
		}
	}
}