/*+
* Copyright 2012 rsiddharth
* Email: <rsiddharth@ninthfloor.org>
*
* This file is part of Scruf.
*
* Scruf is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package scruf.parsers;
import java.util.regex.*;
import java.util.*;
public class CodeBlocks implements Parser {
private SymbolMap symbolMap = new SymbolMap();
public String parse(String fileContent) {
Pattern pattern = Pattern.compile("(\\#\\#\\#)(\\n)(.+?)(\\n)(\\1)",
Pattern.DOTALL);
Matcher matcher = pattern.matcher(fileContent);
LineBreak lbreak = new LineBreak();
StringBuffer sbuffer = new StringBuffer();
StringBuilder replacement = new StringBuilder();
while(matcher.find()) {
replacement.delete(0,replacement.length());
replacement.append("<div class=\"code\">");
replacement.append(lbreak.parse(quote(matcher.group(3))));
replacement.append("</div>");
matcher.appendReplacement(sbuffer,replacement.toString());
}
matcher.appendTail(sbuffer);
return sbuffer.toString();
}
/**
* this method quotes symbols to a HTML number.
*/
private String quote(String string) {
Pattern pattern = Pattern.compile("(\\&(amp|lt|gt|(\\#35))\\;)|(\\p{Punct})");
Matcher matcher = pattern.matcher(string);
StringBuffer sbuffer = new StringBuffer();
while(matcher.find()) {
if(matcher.group(4)!=null) {
matcher.appendReplacement(sbuffer,
symbolMap.get(matcher.group()));
}
}
matcher.appendTail(sbuffer);
return sbuffer.toString();
}
}
/**
* Map of Symbols & their HTML equivalent numbers.
*/
class SymbolMap extends HashMap<String, String> {
public SymbolMap() {
put("!","!");
put("\"",""");
put("#","#");
put("$","$");
put("%","%");
put("&","&");
put("'","'");
put("(","(");
put(")",")");
put("*","*");
put("+","+");
put(",",",");
put("-","-");
put(".",".");
put("/","/");
put(":",":");
put(";",";");
put("<","<");
put("=","=");
put(">",">");
put("?","?");
put("@","@");
put("[","[");
put("\\","\");
put("]","]");
put("^","^");
put("_","_");
put("`","`");
put("{","{");
put("|","|");
put("}","}");
put("~","~");
}
}
/**
Special Case:
###
.
{
###
oced
###
.
###
code
###
.
###
fizz
###
}
.
###
*/