/**
* This file Copyright (c) 2005-2008 Aptana, Inc. This program is
* dual-licensed under both the Aptana Public License and the GNU General
* Public license. You may elect to use one or the other of these licenses.
*
* This program is distributed in the hope that it will be useful, but
* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
* NONINFRINGEMENT. Redistribution, except as permitted by whichever of
* the GPL or APL you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or modify this
* program under the terms of the GNU General Public License,
* Version 3, as published by the Free Software Foundation. You should
* have received a copy of the GNU General Public License, Version 3 along
* with this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Aptana provides a special exception to allow redistribution of this file
* with certain other free and open source software ("FOSS") code and certain additional terms
* pursuant to Section 7 of the GPL. You may view the exception and these
* terms on the web at http://www.aptana.com/legal/gpl/.
*
* 2. For the Aptana Public License (APL), this program and the
* accompanying materials are made available under the terms of the APL
* v1.0 which accompanies this distribution, and is available at
* http://www.aptana.com/legal/apl/.
*
* You may view the GPL, Aptana's exception and additional terms, and the
* APL in the file titled license.html at the root of the corresponding
* plugin containing this source file.
*
* Any modifications to this file must keep this entire header intact.
*/
package com.aptana.ide.editor.css;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.List;
import java.util.Set;
import com.aptana.ide.core.IdeLog;
import com.aptana.ide.editor.css.parsing.CSSMimeType;
import com.aptana.ide.editors.managers.EnvironmentManager;
import com.aptana.ide.editors.unified.AbstractLanguageEnvironment;
import com.aptana.ide.editors.unified.FileService;
import com.aptana.ide.index.core.Index;
import com.aptana.ide.index.core.IndexManager;
import com.aptana.ide.index.core.QueryResult;
import com.aptana.ide.index.core.SearchPattern;
import com.aptana.ide.metadata.MetadataEnvironment;
import com.aptana.ide.metadata.MetadataRuntimeEnvironment;
import com.aptana.ide.metadata.reader.MetadataObjectsReader;
import com.aptana.ide.parsing.IRuntimeEnvironment;
/**
* @author Robin Debreuil
*/
public class CSSLanguageEnvironment extends AbstractLanguageEnvironment
{
/*
* Fields
*/
/**
* SLEEP_DELAY
*/
public static int SLEEP_DELAY = 5000;
private static CSSLanguageEnvironment instance;
private MetadataRuntimeEnvironment environment;
/*
* Constructors
*/
/**
* CSSLanguageEnvironment
*/
CSSLanguageEnvironment()
{
initEnvironment(); // NOPMD
}
/**
* @return CSSLanguageServiceProvider
*/
public static CSSLanguageEnvironment getInstance()
{
if (instance == null)
{
instance = new CSSLanguageEnvironment();
}
return instance;
}
/*
* Methods
*/
/**
* initEnvironment
*/
private void initEnvironment()
{
// environment =
// MetadataEnvironment.getMetadataFromResource("/com/aptana/ide/resources/CSS.xml");
environment = new MetadataRuntimeEnvironment();
EnvironmentManager.addEnvironmentMapping(CSSMimeType.MimeType, environment);
Thread t = new Thread(new Runnable()
{
public void run()
{
try
{
Thread.sleep(SLEEP_DELAY);
loadEnvironment();
}
catch (Exception e1)
{
IdeLog.logInfo(CSSPlugin.getDefault(), Messages.CSSLanguageEnvironment_InitEnvironmentAborted, e1);
}
}
}, Messages.CSSLanguageEnvironment_EnvironmentLoaderThreadName);
t.setPriority(Thread.MIN_PRIORITY);
t.setDaemon(true);
t.start();
}
/**
* Return the current object environment
*
* @return an IEnvironment object
*/
public IRuntimeEnvironment getRuntimeEnvironment()
{
return environment;
}
/**
* @see com.aptana.ide.editors.unified.ILanguageEnvironment#cleanEnvironment()
*/
public void cleanEnvironment()
{
// TODO Auto-generated method stub
}
/**
* @see com.aptana.ide.editors.unified.ILanguageEnvironment#loadEnvironment()
*/
public void loadEnvironment()
{
InputStream input = this.getClass().getResourceAsStream("/com/aptana/ide/editor/css/parsing/CSSMetadata.bin"); //$NON-NLS-1$
MetadataEnvironment env = new MetadataEnvironment();
env = MetadataEnvironment.getMetadataFromResource(input, env);
environment.addEnvironment(env);
Hashtable<URL, String> xmlFiles = new Hashtable<URL, String>();
addFromExtension(xmlFiles, TAG_XML_FILE, CSSMimeType.MimeType);
Enumeration<URL> keys = xmlFiles.keys();
while (keys.hasMoreElements())
{
env = new MetadataEnvironment();
MetadataObjectsReader reader = new MetadataObjectsReader(env);
URL key = keys.nextElement();
String userAgent = xmlFiles.get(key);
if (userAgent != null)
{
// reader.setUserAgent(userAgent);
}
try
{
reader.loadXML(key.openStream());
}
catch (Exception e)
{
IdeLog.logInfo(CSSPlugin.getDefault(), Messages.CSSLanguageEnvironment_ErrorLoadingEnvironment, e);
}
environment.addEnvironment(env);
}
}
/**
* setProfileMemberOnAll
*
* @param value
*/
public void setProfileMemberOnAll(boolean value)
{
// TODO Auto-generated method stub
}
/**
* attachFile
*
* @param fileService
*/
public void attachFile(FileService fileService)
{
// TODO Auto-generated method stub
}
/**
* removeFile
*
* @param fileService
*/
public void removeFile(FileService fileService)
{
// TODO Auto-generated method stub
}
public Collection<String> getClasses(String containerPath, String prefix)
{
if (containerPath == null)
return Collections.emptySet();
Set<String> allClasses = new HashSet<String>();
Index index = IndexManager.getInstance().getIndex(containerPath);
try
{
List<QueryResult> results = index.query(new String[] { IIndexConstants.CSS_CLASS }, prefix,
SearchPattern.PREFIX_MATCH);
if (results != null)
{
for (QueryResult result : results)
{
allClasses.add(result.getWord());
}
}
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return allClasses;
}
public Collection<String> getIds(String containerPath, String prefix)
{
if (containerPath == null)
return Collections.emptySet();
Set<String> allIds = new HashSet<String>();
Index index = IndexManager.getInstance().getIndex(containerPath);
try
{
List<QueryResult> results = index.query(new String[] { IIndexConstants.CSS_IDENTIFIER }, prefix,
SearchPattern.PREFIX_MATCH);
if (results != null)
{
for (QueryResult result : results)
{
allIds.add(result.getWord());
}
}
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return allIds;
}
public Collection<String> getColors(String containerPath, String prefix)
{
if (containerPath == null)
return Collections.emptySet();
Set<String> colors = new HashSet<String>();
Index index = IndexManager.getInstance().getIndex(containerPath);
try
{
List<QueryResult> results = index.query(new String[] { IIndexConstants.CSS_COLOR }, prefix,
SearchPattern.PREFIX_MATCH);
if (results != null)
{
for (QueryResult result : results)
{
colors.add(result.getWord());
}
}
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
return colors;
}
}