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package org.perl.inline.java ;
import java.util.* ;
/*
Creates a string representing a method signature
*/
class InlineJavaUtils {
private static int debug = 0 ;
public synchronized static void set_debug(int d){
debug = d ;
}
public static int get_debug(){
return debug ;
}
static String CreateSignature(Class param[]){
return CreateSignature(param, ", ") ;
}
static String CreateSignature(Class param[], String del){
StringBuffer ret = new StringBuffer() ;
for (int i = 0 ; i < param.length ; i++){
if (i > 0){
ret.append(del) ;
}
ret.append(param[i].getName()) ;
}
return "(" + ret.toString() + ")" ;
}
synchronized static void debug(int level, String s) {
if ((debug > 0)&&(debug >= level)){
StringBuffer sb = new StringBuffer() ;
for (int i = 0 ; i < level ; i++){
sb.append(" ") ;
}
System.err.println("[java][" + level + "]" + sb.toString() + s) ;
System.err.flush() ;
}
}
static void Fatal(String msg){
System.err.println(msg) ;
System.err.flush() ;
System.exit(1) ;
}
static boolean ReverseMembers() {
String v = System.getProperty("java.version") ;
boolean no_rev = ((v.startsWith("1.2"))||(v.startsWith("1.3"))) ;
return (! no_rev) ;
}
/*
Base64 stuff. This section conatins code by Christian d'Heureuse that is
licended under the LGPL. Used by permission:
From: Christian d'Heureuse <chdh@inventec.ch>
To: Patrick LeBoutillier <patrick.leboutillier@gmail.com>
Date: Aug 11, 2005 4:45 AM
Subject: Re: Base64Coder
> I was wondering if you can grant me permission to include your
> code in my project.
Yes, I grant you permission to include the Base64Coder class in your
project.
*
* A Base64 Encoder/Decoder.
*
* This class is used to encode and decode data in Base64 format
* as described in RFC 1521.
*
* <p>
* Copyright 2003: Christian d'Heureuse, Inventec Informatik AG, Switzerland.<br>
* License: This is "Open Source" software and released under the <a href="http://www.gnu.org/licenses/lgpl.html" target="_top">GNU/LGPL</a> license.
* It is provided "as is" without warranty of any kind. Please contact the author for other licensing arrangements.<br>
* Home page: <a href="http://www.source-code.biz" target="_top">www.source-code.biz</a><br>
*
* <p>
* Version history:<br>
* 2003-07-22 Christian d'Heureuse (chdh): Module created.<br>
* 2005-08-11 chdh: Lincense changed from GPL to LGPL.
*
*/
// Mapping table from 6-bit nibbles to Base64 characters.
private static char[] map1 = new char[64];
static {
int i=0;
for (char c='A'; c<='Z'; c++) map1[i++] = c;
for (char c='a'; c<='z'; c++) map1[i++] = c;
for (char c='0'; c<='9'; c++) map1[i++] = c;
map1[i++] = '+'; map1[i++] = '/';
}
// Mapping table from Base64 characters to 6-bit nibbles.
private static byte[] map2 = new byte[128];
static {
for (int i=0; i<map2.length; i++) map2[i] = -1;
for (int i=0; i<64; i++) map2[map1[i]] = (byte)i;
}
public static char[] EncodeBase64(byte[] in){
int iLen = in.length;
int oDataLen = (iLen*4+2)/3; // output length without padding
int oLen = ((iLen+2)/3)*4; // output length including padding
char[] out = new char[oLen];
int ip = 0;
int op = 0;
while (ip < iLen) {
int i0 = in[ip++] & 0xff;
int i1 = ip < iLen ? in[ip++] & 0xff : 0;
int i2 = ip < iLen ? in[ip++] & 0xff : 0;
int o0 = i0 >>> 2;
int o1 = ((i0 & 3) << 4) | (i1 >>> 4);
int o2 = ((i1 & 0xf) << 2) | (i2 >>> 6);
int o3 = i2 & 0x3F;
out[op++] = map1[o0];
out[op++] = map1[o1];
out[op] = op < oDataLen ? map1[o2] : '='; op++;
out[op] = op < oDataLen ? map1[o3] : '='; op++;
}
return out;
}
public static byte[] DecodeBase64(char[] in){
int iLen = in.length;
if (iLen%4 != 0) throw new IllegalArgumentException ("Length of Base64 encoded input string is not a multiple of 4.");
while (iLen > 0 && in[iLen-1] == '=') iLen--;
int oLen = (iLen*3) / 4;
byte[] out = new byte[oLen];
int ip = 0;
int op = 0;
while (ip < iLen) {
int i0 = in[ip++];
int i1 = in[ip++];
int i2 = ip < iLen ? in[ip++] : 'A';
int i3 = ip < iLen ? in[ip++] : 'A';
if (i0 > 127 || i1 > 127 || i2 > 127 || i3 > 127)
throw new IllegalArgumentException ("Illegal character in Base64 encoded data.");
int b0 = map2[i0];
int b1 = map2[i1];
int b2 = map2[i2];
int b3 = map2[i3];
if (b0 < 0 || b1 < 0 || b2 < 0 || b3 < 0)
throw new IllegalArgumentException ("Illegal character in Base64 encoded data.");
int o0 = ( b0 <<2) | (b1>>>4);
int o1 = ((b1 & 0xf)<<4) | (b2>>>2);
int o2 = ((b2 & 3)<<6) | b3;
out[op++] = (byte)o0;
if (op<oLen) out[op++] = (byte)o1;
if (op<oLen) out[op++] = (byte)o2;
}
return out;
}
}
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