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/*******************************************************************************
* Copyright (c) 2014 Elphel, Inc.
* Copyright (c) 2006 Elphel, Inc and Excelsior, LLC.
* This file is a part of Eclipse/VDT plug-in.
* Eclipse/VDT plug-in 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.
*
* Eclipse/VDT plug-in 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 com.elphel.vdt.core;
import java.util.*;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import com.elphel.vdt.ui.MessageUI;
/**
* Utilities for VDT Plud-in.
*
* Created: 22.12.2005
* @author Lvov Konstantin
*/
public class Utils {
public static final int OS_WINDOWS = 1;
public static final int OS_LINUX = 2;
private static int os;
public static boolean isWindows() {
return os == OS_WINDOWS;
}
public static boolean isLinux() {
return os == OS_LINUX;
}
/** Returns the pure file name without path and extensions. */
public static String getPureFileName(String fileName) {
if ((fileName == null) || (fileName.length() == 0))
return "";
int dot_pos = fileName.lastIndexOf(".");
if (dot_pos == -1)
return fileName;
else
return fileName.substring(0, dot_pos);
}
public static boolean stringContainsSpace(String s) {
return s.contains(" ") || s.contains("\n");
}
public static boolean stringEndsWithSpace(String s) {
return s.endsWith(" ") || s.endsWith("\n");
}
public static boolean stringStartsWithSpace(String s) {
return s.startsWith(" ") || s.startsWith("\n");
}
public static boolean isAlpha(char c) {
return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
}
public static boolean isDigit(char c) {
return c >= '0' && c <= '9';
}
public static boolean isSpace(char ch) {
return ch == ' ' || ch == '\t';
}
public static boolean isNewLine(char ch) {
return ch == '\n';
}
public static int findBoundary(String s) {
return findBoundary(s, 0);
}
public static int findBoundary(String s, int from) {
for(int i = from; i < s.length(); i++) {
char ch = s.charAt(i);
if(!Utils.isAlpha(ch) && !Utils.isDigit(ch) && !isAuxStrChar(ch))
return i;
}
return s.length();
}
public static boolean containsStr(List<String> list, String str) {
for(Iterator<String> i = list.iterator(); i.hasNext();)
if(((String)i.next()).equals(str))
return true;
return false;
}
public static String listToString(List<String> list) {
String str = "";
for(Iterator<String> i = list.iterator(); i.hasNext();)
str += (String)i.next();
return str;
}
private static boolean isAuxStrChar(char ch) {
return ch == '_';
}
static {
String osName = System.getProperty("os.name");
if(osName.indexOf("Windows") >= 0)
os = OS_WINDOWS;
else if (osName.indexOf("Linux") >= 0)
os = OS_LINUX;
else
MessageUI.fatalError("Unknown os.name");
}
/**
* Add this nature to the project
*/
public static void addNature( String natureID
, IProject project
, IProgressMonitor monitor ) throws CoreException
{
if (monitor == null) {
monitor = new NullProgressMonitor();
} else if (monitor != null && monitor.isCanceled()) {
throw new OperationCanceledException();
}
if (!project.hasNature(natureID)) {
IProjectDescription description = project.getDescription();
String[] prevNatures= description.getNatureIds();
String[] newNatures= new String[prevNatures.length + 1];
System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
newNatures[prevNatures.length]= natureID;
description.setNatureIds(newNatures);
project.setDescription(description, monitor);
} else
monitor.worked(1);
}
/**
* Add this nature to the project
*/
public static void removeNature( String natureID
, IProject project
, IProgressMonitor monitor ) throws CoreException
{
if (monitor == null) {
monitor = new NullProgressMonitor();
} else if (monitor != null && monitor.isCanceled()) {
throw new OperationCanceledException();
}
if (project.hasNature(natureID)) {
IProjectDescription description = project.getDescription();
String[] prevNatures = description.getNatureIds();
String[] newNatures = new String[prevNatures.length - 1];
int i = 0;
for (String id : prevNatures) {
if (! natureID.equals(id))
newNatures[i] = id;
i++;
}
description.setNatureIds(newNatures);
project.setDescription(description, monitor);
} else
monitor.worked(1);
}
} // class Utils