/*
 * Generate_md5_sum.bsh - a BeanShell macro script for the
 * jEdit text editor - insert md5 sums for source files of a 
 * PKGBUILD at current caret position (or replace selected text).
 * Copyright (C) 2007 Dmitry Stropaloff <helions8@gmail.com>
 *
 * 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 the jEdit program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id: Generate_md5_sum.bsh,v 0.1 2007/02/11 16:39:05 h8 Exp $
 */

import java.util.regex.*;

setAccessibility(true);

Pattern p;
Matcher m;

String bufText = buffer.getText(0, buffer.getLength());

String regExp = "^.*source\\s*=\\s*\\(([^)]{1,})\\).*$";
p = Pattern.compile(regExp, Pattern.MULTILINE | Pattern.DOTALL);
m = p.matcher(bufText);
if (!m.matches())
{
	Macros.message(view, "There is no \"source\" entry or it's incorrect.");
	break;
}
String srcs = m.group(1);

regExp = "^.*pkgname=([a-z0-9-_]{1,}).*$";
p = Pattern.compile(regExp, Pattern.MULTILINE | Pattern.DOTALL);
m = p.matcher(bufText);
if (!m.matches())
{
	Macros.message(view, "There is no \"pkgname\" entry or it's broken.");
	break;
}
String pkgName = m.group(1);

regExp = "^.*pkgver=([a-z0-9-_.]{1,}).*$";
p = Pattern.compile(regExp, Pattern.MULTILINE | Pattern.DOTALL);
m = p.matcher(bufText);
if (!m.matches())
{
	Macros.message(view, "There is no \"pkgver\" entry or it's broken.");
	break;
}
String pkgVer = m.group(1);

srcs = srcs.replaceAll("\\n*", "");
srcs = srcs.replaceAll("\\s{2,}", "");
srcs = srcs.replaceAll("\\t*", "");
srcs = srcs.replaceAll("\\\\*", "");
String[] fileNames = srcs.split("\\s");

int index;
String tmp;

for (int i = 0; i < fileNames.length; i++)
{
	tmp = fileNames[i];
	index = tmp.lastIndexOf("/") + 1;
	if (index != -1)
		tmp = tmp.substring(index, tmp.length());
	tmp = tmp.replace("$pkgname", pkgName);
	tmp = tmp.replace("${pkgname}", pkgName);
	tmp = tmp.replace("$pkgver", pkgVer);
	tmp = tmp.replace("${pkgver}", pkgVer);
	fileNames[i] = tmp;
}

Buffer tmpBuf;
String md5;
String tmpFName;
String[] md5Sums = new String[fileNames.length];
String pathCmd = "cd " + buffer.getDirectory();
runInSystemShell(view, pathCmd);
for (int i = 0; i < fileNames.length; i++)
{
	md5Cmd = "md5sum " + fileNames[i] + " > " + fileNames[i] + ".md5";
	runInSystemShell(view, md5Cmd);
	waitForConsole(view);
	clearConsole(view);
	
	tmpFName = buffer.getDirectory() + fileNames[i] + ".md5";
	tmpBuf = jEdit.openTemporary(view, null, tmpFName, false);
	while (!tmpBuf.isLoaded()) {}

	md5 = tmpBuf.getText(0, tmpBuf.getLength());
	md5 = md5.replaceAll("\\s.*$", "");
	md5Sums[i] = md5;
	tmpBuf.close();
	rm(tmpFName);
}

String md5Text = "md5sums=(";
for (int i = 0; i < md5Sums.length; i++)
	md5Text = md5Text.concat("'").concat(md5Sums[i]).concat("'");
md5Text = md5Text + ")";
md5Text = md5Text.replaceAll("''", "' '");

view.getTextArea().setSelectedText(md5Text);

/*
	Macro index data (in DocBook format)

<listitem>
    <para><filename>Generate_md5_sum.bsh</filename></para>
    <abstract><para>
       Inserts md5 sums for source files of a PKGBUILD
    </para></abstract>
</listitem>

*/

// end Generate_md5_sum.bsh