package com.smtscript.lib.regex;

import java.util.regex.Pattern;

import org.mozilla.javascript.Wrapper;

import com.smtscript.run.ScriptRunScope;

public class JSRegex 
{
	protected ScriptRunScope _parentScope;
	protected Pattern _pattern;

	public JSRegex(ScriptRunScope parentScope, Object pattern) throws Exception
	{
		if(pattern instanceof Wrapper)
			pattern = ((Wrapper)pattern).unwrap();
		
		if(pattern instanceof String)
			_pattern = Pattern.compile((String)pattern);
		else
			throw new Exception("unsupper patten type : " + pattern.getClass().getName());
		
		_parentScope = parentScope;
	}
	
	public ScriptRunScope __parentScope__()
	{
		return _parentScope;
	}
	
	public JSRegexMatcher matcher(String text)
	{
		return new JSRegexMatcher(this, _pattern.matcher(text));
	}
	
	public String replace(String text, Object replace) throws Exception
	{
		return matcher(text).replace(replace);
	}
}