1                 : /* utf8_to_utf16.c */
       2                 : 
       3                 : /* 2005-12-25 */
       4                 : 
       5                 : /*
       6                 : Copyright (c) 2005 JSON.org
       7                 : 
       8                 : Permission is hereby granted, free of charge, to any person obtaining a copy
       9                 : of this software and associated documentation files (the "Software"), to deal
      10                 : in the Software without restriction, including without limitation the rights
      11                 : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      12                 : copies of the Software, and to permit persons to whom the Software is
      13                 : furnished to do so, subject to the following conditions:
      14                 : 
      15                 : The above copyright notice and this permission notice shall be included in all
      16                 : copies or substantial portions of the Software.
      17                 : 
      18                 : The Software shall be used for Good, not Evil.
      19                 : 
      20                 : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      21                 : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      22                 : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      23                 : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      24                 : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      25                 : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      26                 : SOFTWARE.
      27                 : */
      28                 : 
      29                 : #include "utf8_to_utf16.h"
      30                 : #include "utf8_decode.h"
      31                 : 
      32                 : int utf8_to_utf16(unsigned short w[], char p[], int length)  /* {{{ */
      33              19 : {
      34                 :         int c;
      35              19 :         int the_index = 0;
      36                 :         json_utf8_decode utf8;
      37                 : 
      38              19 :         utf8_decode_init(&utf8, p, length);
      39                 :         for (;;) {
      40            4775 :                 c = utf8_decode_next(&utf8);
      41            4775 :                 if (c < 0) {
      42              19 :                         return (c == UTF8_END) ? the_index : UTF8_ERROR;
      43                 :                 }
      44            4756 :                 if (c < 0x10000) {
      45            4756 :                         w[the_index] = (unsigned short)c;
      46            4756 :                         the_index += 1;
      47                 :                 } else {
      48               0 :                         c -= 0x10000;
      49               0 :                         w[the_index] = (unsigned short)(0xD800 | (c >> 10));
      50               0 :                         the_index += 1;
      51               0 :                         w[the_index] = (unsigned short)(0xDC00 | (c & 0x3FF));
      52               0 :                         the_index += 1;
      53                 :                 }
      54            4756 :         }
      55                 : }
      56                 : /* }}} */
      57                 : 
      58                 : /*
      59                 :  * Local variables:
      60                 :  * tab-width: 4
      61                 :  * c-basic-offset: 4
      62                 :  * End:
      63                 :  * vim600: noet sw=4 ts=4
      64                 :  * vim<600: noet sw=4 ts=4
      65                 :  */