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/*
* Sys.java
* Copyright (C) 2003
*
* $Id: Sys.java,v 1.9 2004-09-22 19:22:14 salomo Exp $
*/
/*
Copyright (C) 1997-2001 Id Software, Inc.
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 (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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package jake2.sys;
import jake2.Defines;
import jake2.Globals;
import jake2.client.CL;
import jake2.qcommon.Com;
import java.io.File;
import java.io.FilenameFilter;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
/**
* Sys
*/
public final class Sys extends Defines {
public static void Error(String error) {
CL.Shutdown();
//StackTrace();
new Exception(error).printStackTrace();
System.exit(1);
}
public static void Quit() {
CL.Shutdown();
System.exit(0);
}
//ok!
public static File[] FindAll(String path, int musthave, int canthave) {
int index = path.lastIndexOf('/');
if (index != -1) {
findbase = path.substring(0, index);
findpattern = path.substring(index + 1, path.length());
} else {
findbase = path;
findpattern = "*";
}
if (findpattern.equals("*.*")) {
findpattern = "*";
}
File fdir = new File(findbase);
if (!fdir.exists())
return null;
FilenameFilter filter = new FileFilter(findpattern, musthave, canthave);
return fdir.listFiles(filter);
}
/**
* Match the pattern findpattern against the filename.
*
* In the pattern string, `*' matches any sequence of characters, `?'
* matches any character, [SET] matches any character in the specified set,
* [!SET] matches any character not in the specified set. A set is composed
* of characters or ranges; a range looks like character hyphen character
* (as in 0-9 or A-Z). [0-9a-zA-Z_] is the set of characters allowed in C
* identifiers. Any other character in the pattern must be matched exactly.
* To suppress the special syntactic significance of any of `[]*?!-\', and
* match the character exactly, precede it with a `\'.
*/
static class FileFilter implements FilenameFilter {
String regexpr;
int musthave, canthave;
FileFilter(String findpattern, int musthave, int canthave) {
this.regexpr = convert2regexpr(findpattern);
this.musthave = musthave;
this.canthave = canthave;
}
/*
* @see java.io.FilenameFilter#accept(java.io.File, java.lang.String)
*/
public boolean accept(File dir, String name) {
if (name.matches(regexpr)) {
return CompareAttributes(dir, musthave, canthave);
}
return false;
}
String convert2regexpr(String pattern) {
StringBuffer sb = new StringBuffer();
char c;
boolean escape = false;
String subst;
// convert pattern
for (int i = 0; i < pattern.length(); i++) {
c = pattern.charAt(i);
subst = null;
switch (c) {
case '*':
subst = (!escape) ? ".*" : "*";
break;
case '.':
subst = (!escape) ? "\\." : ".";
break;
case '!':
subst = (!escape) ? "^" : "!";
break;
case '?':
subst = (!escape) ? "." : "?";
break;
case '\\':
escape = !escape;
break;
default:
escape = false;
}
if (subst != null) {
sb.append(subst);
escape = false;
} else
sb.append(c);
}
// the converted pattern
String regexpr = sb.toString();
//Com.DPrintf("pattern: " + pattern + " regexpr: " + regexpr +
// '\n');
try {
Pattern.compile(regexpr);
} catch (PatternSyntaxException e) {
Com.Printf("invalid file pattern ( *.* is used instead )\n");
return ".*"; // the default
}
return regexpr;
}
boolean CompareAttributes(File dir, int musthave, int canthave) {
// . and .. never match
String name = dir.getName();
if (name.equals(".") || name.equals(".."))
return false;
return true;
}
}
private static long secbase = System.currentTimeMillis();
public static int Milliseconds() {
return Globals.curtime = (int) (System.currentTimeMillis() - secbase);
}
//============================================
static File[] fdir;
static int fileindex;
static String findbase;
static String findpattern;
// ok.
public static File FindFirst(String path, int musthave, int canthave) {
if (fdir != null)
Sys.Error("Sys_BeginFind without close");
// COM_FilePath (path, findbase);
fdir = FindAll(path, canthave, musthave);
fileindex = 0;
if (fdir == null)
return null;
return FindNext();
}
public static File FindNext() {
if (fileindex >= fdir.length)
return null;
return fdir[fileindex++];
}
public static void FindClose() {
fdir = null;
}
public static void SendKeyEvents() {
KBD.Update();
// grab frame time
Globals.sys_frame_time = Sys.Milliseconds();
}
public static String GetClipboardData() {
// TODO: implement GetClipboardData
return null;
}
public static void ConsoleOutput(String msg) {
if (Globals.nostdout != null && Globals.nostdout.value != 0)
return;
System.out.print(msg);
}
}
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