/*
 * Buffer_to_HyperSearch_Results.bsh - a Beanshell macro
 * for jEdit text that reads HyperSearch results from a buffer that was
 * previously created by the HyperSearch_Results_to_Buffer macro and possibly
 * filtered manually, and imports them into the HyperSearch Results dockable.
 *
 * Copyright (C) 2008 Shlomy Reinstein
 *
 * This program 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 2
 * of the License, or 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id: Buffer_to_HyperSearch_Results.bsh 5228 2005-07-13 03:24:43Z copy_paste $
 */

import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import java.util.regex.*;

String escape(String s){
	sb = new StringBuffer();
	for (int i = 0; i < s.length(); i++)
	{
		char ch = s.charAt(i);
		sb.append(ch);
		if (ch == '\\')
			sb.append(ch);
	}
	return sb.toString();
}

HyperSearchFileNode hyperSearchFileNode;
DefaultMutableTreeNode bufferNode, rootSearchNode;
int count = 0;

addLastResultIfExists(){
	if (hyperSearchFileNode != null)
		hyperSearchFileNode.setCount(count);
	if (rootSearchNode != null && bufferNode != null)
		rootSearchNode.add(bufferNode);
}

writeHypersearchResultsToBuffer(View view){
	hs = view.getDockableWindowManager().getDockableWindow("hypersearch-results");
	if (hs == null)
	{
		Macros.error(view, "The 'HyperSearch Results' window is not open.");
		return;
	}

	model = hs.getTreeModel();
	root = model.getRoot();
	root.removeAllChildren();

	text = view.getTextArea().getText();
	lines = text.split("\n");
	if (lines.length == 0)
		return;

	hyperSearchFileNode = null;
	i = 0;
	count = 0;
	String prevPath = null;
	String searchString = null;
	Pattern searchNodePattern = Pattern.compile(
		"^\\*\\s+(\\w+)\\[(.+),(true|false)\\]\\s*$");
	SearchMatcher searchMatcher = null;
	for (i=0; i < lines.length; i++)
	{
		String line = lines[i];
		Matcher m = searchNodePattern.matcher(line);
		if (m.matches())
		{
			addLastResultIfExists();
			
			String searchMatcherName = m.group(1);
			String searchPattern = m.group(2);
			String searchString = searchPattern;
			String ignoreCase = m.group(3);
			if (searchMatcherName.indexOf("Pattern") >= 0)
				searchPattern = escape(searchPattern);
			String statement = "new " + searchMatcherName + "(\"" +
			searchPattern + "\", " + ignoreCase + ");";
			searchMatcher = BeanShell.bsh.eval(view, statement);
			rootSearchNode = new DefaultMutableTreeNode(
				new HyperSearchOperationNode(searchString, searchMatcher));
			root.add(rootSearchNode);
			hyperSearchFileNode = null;
			prevPath = null;
		}
		else
		{
			if (rootSearchNode == null)
				continue;
			sep = line.indexOf(" :");
			if (sep < 1)
				continue;
			path = line.substring(0, sep);
			if (prevPath == null || !path.equals(prevPath))
			{
				addLastResultIfExists();
				hyperSearchFileNode = new HyperSearchFileNode(path);
				bufferNode = new DefaultMutableTreeNode(hyperSearchFileNode);
				prevPath = path;
				count = 0;
				buffer = jEdit.openTemporary(null,null,path,false);
				if (buffer == null)
					continue;
			}
			s = line.substring(sep + 2);
			sep = s.indexOf(":");
			if (sep < 1)
				continue;
			int lineNum = Integer.valueOf(s.substring(0, sep)) - 1;
			int lineStart, lineEnd;
			try {
				lineStart = buffer.getLineStartOffset(lineNum);
				lineEnd = buffer.getLineEndOffset(lineNum);
			} catch (Exception e) {
				continue;
			}
			SearchMatcher.Match match = searchMatcher.nextMatch(
				buffer.getSegment(lineStart,lineEnd-lineStart),
				true,true,true,false);
			if (match == null)
				continue;
			hyperSearchNode = new HyperSearchResult(buffer, lineNum);
			int offset = lineStart;
			while (match != null)
			{
				hyperSearchNode.addOccur(offset+match.start,offset+match.end);
				offset += match.end;
				match = searchMatcher.nextMatch(
					buffer.getSegment(offset,lineEnd-offset),
					false,true,false,false);
			}
			bufferNode.add(new DefaultMutableTreeNode(hyperSearchNode, false));
			count++;
		}
	}
	addLastResultIfExists();
	model.reload();
}

setAccessibility(true);
writeHypersearchResultsToBuffer(view);
setAccessibility(false);

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