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package scruf.parsers;
import java.util.regex.*;
public class CodeBlocks implements Parser {
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("<code>");
replacement.append(quote(lbreak.parse(matcher.group(2))));
replacement.append("</code>");
matcher.appendReplacement(sbuffer,replacement.toString());
}
matcher.appendTail(sbuffer);
return sbuffer.toString();
}
/**
* this method quotes special characters -- `\` &
* `$`, in the replacment string as they have
* special meaning.
*
*/
private String quote(String string) {
Pattern pattern = Pattern.compile("\\$|\\\\");
Matcher matcher = pattern.matcher(string);
StringBuffer sbuffer = new StringBuffer();
String rep;
while(matcher.find()) {
rep = "\\\\\\"+matcher.group();
matcher.appendReplacement(sbuffer,rep);
}
matcher.appendTail(sbuffer);
return sbuffer.toString();
}
}
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