royale-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From carlosrov...@apache.org
Subject [royale-asjs] branch develop updated: Base64 encoding / decoding that works in all browsers even in IE11, so better doesn't use atob/btoa js methods
Date Sun, 23 Sep 2018 18:14:26 GMT
This is an automated email from the ASF dual-hosted git repository.

carlosrovira pushed a commit to branch develop
in repository https://gitbox.apache.org/repos/asf/royale-asjs.git


The following commit(s) were added to refs/heads/develop by this push:
     new 8e2a5d3  Base64 encoding / decoding that works in all browsers even in IE11, so better
doesn't use atob/btoa js methods
8e2a5d3 is described below

commit 8e2a5d3c78838e6696db01795f84e7d5bdfd04e0
Author: Carlos Rovira <carlosrovira@apache.org>
AuthorDate: Sun Sep 23 20:14:18 2018 +0200

    Base64 encoding / decoding that works in all browsers even in IE11, so better doesn't
use atob/btoa js methods
---
 .../projects/Core/src/main/royale/CoreClasses.as   |   1 +
 .../org/apache/royale/utils/string/Base64.as       | 173 +++++++++++++++++++++
 2 files changed, 174 insertions(+)

diff --git a/frameworks/projects/Core/src/main/royale/CoreClasses.as b/frameworks/projects/Core/src/main/royale/CoreClasses.as
index ee50b15..0928389 100644
--- a/frameworks/projects/Core/src/main/royale/CoreClasses.as
+++ b/frameworks/projects/Core/src/main/royale/CoreClasses.as
@@ -272,6 +272,7 @@ import org.apache.royale.events.ItemRemovedEvent; ItemRemovedEvent;
 
 	import org.apache.royale.utils.array.rangeCheck; rangeCheck;
 
+	import org.apache.royale.utils.string.Base64; Base64;
 	import org.apache.royale.utils.string.contains; contains;
 	import org.apache.royale.utils.string.isWhitespace; isWhitespace;
 	import org.apache.royale.utils.string.trim; trim;
diff --git a/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/string/Base64.as
b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/string/Base64.as
new file mode 100644
index 0000000..7729f94
--- /dev/null
+++ b/frameworks/projects/Core/src/main/royale/org/apache/royale/utils/string/Base64.as
@@ -0,0 +1,173 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+//  Licensed to the Apache Software Foundation (ASF) under one or more
+//  contributor license agreements.  See the NOTICE file distributed with
+//  this work for additional information regarding copyright ownership.
+//  The ASF licenses this file to You under the Apache License, Version 2.0
+//  (the "License"); you may not use this file except in compliance with
+//  the License.  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+package org.apache.royale.utils.string
+{
+    /**
+	 *  Base64 encoding/decoding that works cross browsers
+	 *  
+	 *  @langversion 3.0
+	 *  @playerversion Flash 10.2
+	 *  @playerversion AIR 2.6
+	 *  @productversion Royale 0.9.4
+	 */
+	public class Base64
+	{
+        public static const _keyStr:String = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+
+        /**
+         *  encode a string in base64
+         * 
+         *  @langversion 3.0
+         *  @playerversion Flash 10.2
+         *  @playerversion AIR 2.6
+         *  @productversion Royale 0.9.4
+         */
+        public static function encode(e:String):String
+        {
+            var t:String = "";
+            var n:int,r:int,i:int,s:int,o:int,u:int,a:int;
+            var f:int = 0;
+            e = _utf8_encode(e);
+            while(f < e.length)
+            {
+                n=e.charCodeAt(f++);
+                r=e.charCodeAt(f++);
+                i=e.charCodeAt(f++);
+                s=n>>2;
+                o=(n&3)<<4|r>>4;
+                u=(r&15)<<2|i>>6;
+                a=i&63;
+                if(isNaN(r))
+                {
+                    u=a=64
+                }else if(isNaN(i))
+                {
+                    a=64
+                }
+                t=t+_keyStr.charAt(s)+_keyStr.charAt(o)+_keyStr.charAt(u)+_keyStr.charAt(a);
+            }
+            return t;
+        }
+        
+        /**
+         *  decode string from base64
+         * 
+         *  @langversion 3.0
+         *  @playerversion Flash 10.2
+         *  @playerversion AIR 2.6
+         *  @productversion Royale 0.9.4
+         */
+        public static function decode(e:String):String
+        {
+            var t:String = "";
+            var n:int,r:int,i:int;
+            var s:int,o:int,u:int,a:int;
+            var f:int = 0;
+            e = e.replace(/[^A-Za-z0-9+/=]/g,"");
+            while(f<e.length)
+            {
+                s=_keyStr.indexOf(e.charAt(f++));
+                o=_keyStr.indexOf(e.charAt(f++));
+                u=_keyStr.indexOf(e.charAt(f++));
+                a=_keyStr.indexOf(e.charAt(f++));
+                n=s<<2|o>>4;
+                r=(o&15)<<4|u>>2;
+                i=(u&3)<<6|a;
+                t=t+String.fromCharCode(n);
+                if(u!=64)
+                {
+                    t=t+String.fromCharCode(r);
+                }
+                if(a!=64)
+                {
+                    t=t+String.fromCharCode(i);
+                }
+            }
+            t = _utf8_decode(t);
+            return t;
+        }
+        
+        /**
+         *  encode utf8 string
+         * 
+         *  @langversion 3.0
+         *  @playerversion Flash 10.2
+         *  @playerversion AIR 2.6
+         *  @productversion Royale 0.9.4
+         */
+        public static function _utf8_encode(e:String):String
+        {
+            e = e.replace(/rn/g,"n");
+            var t:String = "";
+            for(var n:int=0;n<e.length;n++)
+            {
+                var r:int = e.charCodeAt(n);
+                if(r < 128)
+                {
+                    t+=String.fromCharCode(r);
+                } else if(r>127&&r<2048)
+                {
+                    t+=String.fromCharCode(r>>6|192);
+                    t+=String.fromCharCode(r&63|128);
+                } else
+                {
+                    t+=String.fromCharCode(r>>12|224);
+                    t+=String.fromCharCode(r>>6&63|128);
+                    t+=String.fromCharCode(r&63|128);
+                }
+            }
+            return t;
+        }
+
+        /**
+         *  decode utf8 string
+         * 
+         *  @langversion 3.0
+         *  @playerversion Flash 10.2
+         *  @playerversion AIR 2.6
+         *  @productversion Royale 0.9.4
+         */
+        public static function _utf8_decode(e:String):String
+        {
+            var t:String = "";
+            var n:int,r:int,c1:int;
+            var c2:int=0;
+            while(n < e.length)
+            {
+                r = e.charCodeAt(n);
+                if(r < 128)
+                {
+                    t += String.fromCharCode(r);n++;
+                } else if(r>191 && r<224)
+                {
+                    c2 = e.charCodeAt(n+1);
+                    t += String.fromCharCode((r&31)<<6|c2&63);
+                    n+=2;
+                } else
+                {
+                    c2 = e.charCodeAt(n+1);
+                    var c3:int = e.charCodeAt(n+2);
+                    t += String.fromCharCode((r&15)<<12|(c2&63)<<6|c3&63);
+                    n += 3;
+                }
+            }
+            return t;
+        }  
+    }
+}   
\ No newline at end of file


Mime
View raw message