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authorSVN Migration <svn@php.net>2006-05-05 15:49:42 +0000
committerSVN Migration <svn@php.net>2006-05-05 15:49:42 +0000
commit608baa409a04649e96691a93810130361fe3dff5 (patch)
treeef8a236ac0acc846eb4f781c055258eaa5b510a0 /ext/json/utf8_to_utf16.c
parent55f0daf65d4ce45837d91de36aea85669b6bc782 (diff)
downloadphp-git-608baa409a04649e96691a93810130361fe3dff5.tar.gz
This commit was manufactured by cvs2svn to create branch 'PHP_5_2'.
Diffstat (limited to 'ext/json/utf8_to_utf16.c')
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diff --git a/ext/json/utf8_to_utf16.c b/ext/json/utf8_to_utf16.c
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+/* utf8_to_utf16.c */
+
+/* 2005-12-25 */
+
+/*
+Copyright (c) 2005 JSON.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+The Software shall be used for Good, not Evil.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "utf8_to_utf16.h"
+#include "utf8_decode.h"
+
+int
+utf8_to_utf16(unsigned short w[], char p[], int length)
+{
+ int c;
+ int the_index = 0;
+ json_utf8_decode utf8;
+
+ utf8_decode_init(&utf8, p, length);
+ for (;;) {
+ c = utf8_decode_next(&utf8);
+ if (c < 0) {
+ return UTF8_END ? the_index : UTF8_ERROR;
+ }
+ if (c < 0x10000) {
+ w[the_index] = (unsigned short)c;
+ the_index += 1;
+ } else {
+ c &= 0xFFFF;
+ w[the_index] = (unsigned short)(0xD800 | (c >> 10));
+ the_index += 1;
+ w[the_index] = (unsigned short)(0xDC00 | (c & 0x3FF));
+ the_index += 1;
+ }
+ }
+}