From 40fa6de40887333840ea72c0e3aafffe4fc2d852 Mon Sep 17 00:00:00 2001 From: timb Date: Thu, 11 Feb 2010 00:37:11 -0800 Subject: initial import of webcam actionscriptz --- webcam/com/adobe/net/URIEncodingBitmap.as | 142 ++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 webcam/com/adobe/net/URIEncodingBitmap.as (limited to 'webcam/com/adobe/net/URIEncodingBitmap.as') diff --git a/webcam/com/adobe/net/URIEncodingBitmap.as b/webcam/com/adobe/net/URIEncodingBitmap.as new file mode 100644 index 0000000..e85ac55 --- /dev/null +++ b/webcam/com/adobe/net/URIEncodingBitmap.as @@ -0,0 +1,142 @@ +/* + Adobe Systems Incorporated(r) Source Code License Agreement + Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved. + + Please read this Source Code License Agreement carefully before using + the source code. + + Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive, + no-charge, royalty-free, irrevocable copyright license, to reproduce, + prepare derivative works of, publicly display, publicly perform, and + distribute this source code and such derivative works in source or + object code form without any attribution requirements. + + The name "Adobe Systems Incorporated" must not be used to endorse or promote products + derived from the source code without prior written permission. + + You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and + against any loss, damage, claims or lawsuits, including attorney's + fees that arise or result from your use or distribution of the source + code. + + THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT + ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, + BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF + NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA + OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; + OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF + ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +package com.adobe.net +{ + import flash.utils.ByteArray; + + /** + * This class implements an efficient lookup table for URI + * character escaping. This class is only needed if you + * create a derived class of URI to handle custom URI + * syntax. This class is used internally by URI. + * + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0* + */ + public class URIEncodingBitmap extends ByteArray + { + /** + * Constructor. Creates an encoding bitmap using the given + * string of characters as the set of characters that need + * to be URI escaped. + * + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + */ + public function URIEncodingBitmap(charsToEscape:String) : void + { + var i:int; + var data:ByteArray = new ByteArray(); + + // Initialize our 128 bits (16 bytes) to zero + for (i = 0; i < 16; i++) + this.writeByte(0); + + data.writeUTFBytes(charsToEscape); + data.position = 0; + + while (data.bytesAvailable) + { + var c:int = data.readByte(); + + if (c > 0x7f) + continue; // only escape low bytes + + var enc:int; + this.position = (c >> 3); + enc = this.readByte(); + enc |= 1 << (c & 0x7); + this.position = (c >> 3); + this.writeByte(enc); + } + } + + /** + * Based on the data table contained in this object, check + * if the given character should be escaped. + * + * @param char the character to be escaped. Only the first + * character in the string is used. Any other characters + * are ignored. + * + * @return the integer value of the raw UTF8 character. For + * example, if '%' is given, the return value is 37 (0x25). + * If the character given does not need to be escaped, the + * return value is zero. + * + * @langversion ActionScript 3.0 + * @playerversion Flash 9.0 + */ + public function ShouldEscape(char:String) : int + { + var data:ByteArray = new ByteArray(); + var c:int, mask:int; + + // write the character into a ByteArray so + // we can pull it out as a raw byte value. + data.writeUTFBytes(char); + data.position = 0; + c = data.readByte(); + + if (c & 0x80) + { + // don't escape high byte characters. It can make international + // URI's unreadable. We just want to escape characters that would + // make URI syntax ambiguous. + return 0; + } + else if ((c < 0x1f) || (c == 0x7f)) + { + // control characters must be escaped. + return c; + } + + this.position = (c >> 3); + mask = this.readByte(); + + if (mask & (1 << (c & 0x7))) + { + // we need to escape this, return the numeric value + // of the character + return c; + } + else + { + return 0; + } + } + } +} \ No newline at end of file -- cgit v1.2.3-70-g09d2