/**
* Copyright (C) 2013 Eric Van Dewoestine
*
* 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 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 org.eclim.plugin.pydev.command.project;
import java.util.ArrayList;
import java.util.Collections;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclim.plugin.core.util.ProjectUtils;
import org.eclim.util.StringUtils;
import org.eclipse.core.resources.IProject;
import org.python.pydev.core.IInterpreterInfo;
import org.python.pydev.core.IPythonNature;
import org.python.pydev.plugin.nature.PythonNature;
/**
* Command to list available grammar versions for a project based on its current
* interpreter.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "python_list_grammars",
options = "REQUIRED p project ARG"
)
public class ListGrammarVersionsCommand
extends AbstractCommand
{
@Override
public Object execute(CommandLine commandLine)
throws Exception
{
String projectName = commandLine.getValue(Options.PROJECT_OPTION);
IProject project = ProjectUtils.getProject(projectName);
PythonNature nature = PythonNature.getPythonNature(project);
ArrayList<String> grammars = new ArrayList<String>();
if (nature != null){
IInterpreterInfo interpreter = nature.getProjectInterpreter();
if (interpreter != null){
String version = interpreter.getVersion();
String[] parts = StringUtils.split(version, ".");
double iversion = Double.parseDouble(parts[0] + '.' + parts[1]);
for (String grammar : IPythonNature.Versions.ALL_PYTHON_VERSIONS){
grammar = grammar.replace("python ", "");
double gversion = Double.parseDouble(grammar);
if (gversion <= iversion && grammar.charAt(0) == version.charAt(0)){
grammars.add(grammar);
}
}
Collections.sort(grammars);
}
}
return grammars;
}
}