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1 | /************************************************* | - |
2 | * Perl-Compatible Regular Expressions * | - |
3 | *************************************************/ | - |
4 | | - |
5 | /* PCRE is a library of functions to support regular expressions whose syntax | - |
6 | and semantics are as close as possible to those of the Perl 5 language. | - |
7 | | - |
8 | Written by Philip Hazel | - |
9 | Copyright (c) 1997-2012 University of Cambridge | - |
10 | | - |
11 | ----------------------------------------------------------------------------- | - |
12 | Redistribution and use in source and binary forms, with or without | - |
13 | modification, are permitted provided that the following conditions are met: | - |
14 | | - |
15 | * Redistributions of source code must retain the above copyright notice, | - |
16 | this list of conditions and the following disclaimer. | - |
17 | | - |
18 | * Redistributions in binary form must reproduce the above copyright | - |
19 | notice, this list of conditions and the following disclaimer in the | - |
20 | documentation and/or other materials provided with the distribution. | - |
21 | | - |
22 | * Neither the name of the University of Cambridge nor the names of its | - |
23 | contributors may be used to endorse or promote products derived from | - |
24 | this software without specific prior written permission. | - |
25 | | - |
26 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | - |
27 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | - |
28 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | - |
29 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | - |
30 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | - |
31 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | - |
32 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | - |
33 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | - |
34 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | - |
35 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | - |
36 | POSSIBILITY OF SUCH DAMAGE. | - |
37 | ----------------------------------------------------------------------------- | - |
38 | */ | - |
39 | | - |
40 | | - |
41 | /* This file contains a private PCRE function that converts an ordinal | - |
42 | character value into a UTF16 string. */ | - |
43 | | - |
44 | #ifdef PCRE_HAVE_CONFIG_H | - |
45 | #include "config.h" | - |
46 | #endif | - |
47 | | - |
48 | /* Generate code with 16 bit character support. */ | - |
49 | #define COMPILE_PCRE16 | - |
50 | | - |
51 | #include "pcre_internal.h" | - |
52 | | - |
53 | /************************************************* | - |
54 | * Convert character value to UTF-16 * | - |
55 | *************************************************/ | - |
56 | | - |
57 | /* This function takes an integer value in the range 0 - 0x10ffff | - |
58 | and encodes it as a UTF-16 character in 1 to 2 pcre_uchars. | - |
59 | | - |
60 | Arguments: | - |
61 | cvalue the character value | - |
62 | buffer pointer to buffer for result - at least 2 pcre_uchars long | - |
63 | | - |
64 | Returns: number of characters placed in the buffer | - |
65 | */ | - |
66 | | - |
67 | int | - |
68 | PRIV(ord2utf)(pcre_uint32 cvalue, pcre_uchar *buffer) | - |
69 | { | - |
70 | #ifdef SUPPORT_UTF | - |
71 | | - |
72 | /* Checking invalid cvalue character, encoded as invalid UTF-16 character. | - |
73 | Should never happen in practice. */ | - |
74 | if ((cvalue & 0xf800) == 0xd800 || cvalue >= 0x110000) partially evaluated: (cvalue & 0xf800) == 0xd800 no Evaluation Count:0 | yes Evaluation Count:14 |
partially evaluated: cvalue >= 0x110000 no Evaluation Count:0 | yes Evaluation Count:14 |
| 0-14 |
75 | cvalue = 0xfffe; never executed: cvalue = 0xfffe; | 0 |
76 | | - |
77 | if (cvalue <= 0xffff) evaluated: cvalue <= 0xffff yes Evaluation Count:8 | yes Evaluation Count:6 |
| 6-8 |
78 | { | - |
79 | *buffer = (pcre_uchar)cvalue; executed (the execution status of this line is deduced): *buffer = (pcre_uchar)cvalue; | - |
80 | return 1; executed: return 1; Execution Count:8 | 8 |
81 | } | - |
82 | | - |
83 | cvalue -= 0x10000; executed (the execution status of this line is deduced): cvalue -= 0x10000; | - |
84 | *buffer++ = 0xd800 | (cvalue >> 10); executed (the execution status of this line is deduced): *buffer++ = 0xd800 | (cvalue >> 10); | - |
85 | *buffer = 0xdc00 | (cvalue & 0x3ff); executed (the execution status of this line is deduced): *buffer = 0xdc00 | (cvalue & 0x3ff); | - |
86 | return 2; executed: return 2; Execution Count:6 | 6 |
87 | | - |
88 | #else /* SUPPORT_UTF */ | - |
89 | (void)(cvalue); /* Keep compiler happy; this function won't ever be */ | - |
90 | (void)(buffer); /* called when SUPPORT_UTF is not defined. */ | - |
91 | return 0; | - |
92 | #endif /* SUPPORT_UTF */ | - |
93 | } | - |
94 | | - |
95 | /* End of pcre16_ord2utf16.c */ | - |
96 | | - |
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