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1 | /* Shared helper routines for manipulating XML. |
2 | ||
618f726f | 3 | Copyright (C) 2006-2016 Free Software Foundation, Inc. |
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4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
727605ca | 20 | #include "common-defs.h" |
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21 | #include "xml-utils.h" |
22 | ||
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23 | /* Return a malloc allocated string with special characters from TEXT |
24 | replaced by entity references. */ | |
25 | ||
26 | char * | |
27 | xml_escape_text (const char *text) | |
28 | { | |
29 | char *result; | |
30 | int i, special; | |
31 | ||
32 | /* Compute the length of the result. */ | |
33 | for (i = 0, special = 0; text[i] != '\0'; i++) | |
34 | switch (text[i]) | |
35 | { | |
36 | case '\'': | |
37 | case '\"': | |
38 | special += 5; | |
39 | break; | |
40 | case '&': | |
41 | special += 4; | |
42 | break; | |
43 | case '<': | |
44 | case '>': | |
45 | special += 3; | |
46 | break; | |
47 | default: | |
48 | break; | |
49 | } | |
50 | ||
51 | /* Expand the result. */ | |
224c3ddb | 52 | result = (char *) xmalloc (i + special + 1); |
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53 | for (i = 0, special = 0; text[i] != '\0'; i++) |
54 | switch (text[i]) | |
55 | { | |
56 | case '\'': | |
57 | strcpy (result + i + special, "'"); | |
58 | special += 5; | |
59 | break; | |
60 | case '\"': | |
61 | strcpy (result + i + special, """); | |
62 | special += 5; | |
63 | break; | |
64 | case '&': | |
65 | strcpy (result + i + special, "&"); | |
66 | special += 4; | |
67 | break; | |
68 | case '<': | |
69 | strcpy (result + i + special, "<"); | |
70 | special += 3; | |
71 | break; | |
72 | case '>': | |
73 | strcpy (result + i + special, ">"); | |
74 | special += 3; | |
75 | break; | |
76 | default: | |
77 | result[i + special] = text[i]; | |
78 | break; | |
79 | } | |
80 | result[i + special] = '\0'; | |
81 | ||
82 | return result; | |
83 | } |