1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* ------------------------------------------------------------ */
/*
HTTrack Website Copier, Offline Browser for Windows and Unix
Copyright (C) Xavier Roche and other contributors
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Please visit our Website: http://www.httrack.com
*/
/* ------------------------------------------------------------ */
/* File: Strings */
/* Author: Xavier Roche */
/* ------------------------------------------------------------ */
// Strings a bit safer than static buffers
#ifndef HTS_STRINGS_DEFSTATIC
#define HTS_STRINGS_DEFSTATIC
typedef struct String {
char* buff;
int len;
int capa;
} String;
#define STRING_EMPTY {NULL, 0, 0}
#define STRING_BLK_SIZE 256
#define StringBuff(blk) ((blk).buff)
#define StringLength(blk) ((blk).len)
#define StringCapacity(blk) ((blk).capa)
#define StringRoom(blk, size) do { \
if ((blk).len + (int)(size) + 1 > (blk).capa) { \
(blk).capa = ((blk).len + (size) + 1) * 2; \
(blk).buff = (char*) realloc((blk).buff, (blk).capa); \
} \
} while(0)
#define StringBuffN(blk, size) StringBuffN_(&(blk), size)
static char* StringBuffN_(String* blk, int size) {
StringRoom(*blk, (blk->len) + size);
return StringBuff(*blk);
}
#define StringClear(blk) do { \
StringRoom(blk, 0); \
(blk).buff[0] = '\0'; \
(blk).len = 0; \
} while(0)
#define StringFree(blk) do { \
if ((blk).buff != NULL) { \
free((blk).buff); \
(blk).buff = NULL; \
} \
(blk).capa = 0; \
(blk).len = 0; \
} while(0)
#define StringMemcat(blk, str, size) do { \
StringRoom(blk, size); \
if ((int)(size) > 0) { \
memcpy((blk).buff + (blk).len, (str), (size)); \
(blk).len += (size); \
} \
*((blk).buff + (blk).len) = '\0'; \
} while(0)
#define StringAddchar(blk, c) do { \
char __c = (c); \
StringMemcat(blk, &__c, 1); \
} while(0)
static void* StringAcquire(String* blk) {
void* buff = blk->buff;
blk->buff = NULL;
blk->capa = 0;
blk->len = 0;
return buff;
}
static StringAttach(String* blk, char** str) {
StringFree(*blk);
if (str != NULL && *str != NULL) {
blk->buff = *str;
blk->capa = (int)strlen(blk->buff);
blk->len = blk->capa;
*str = NULL;
}
}
#define StringStrcat(blk, str) StringMemcat(blk, str, ((str) != NULL) ? (int)strlen(str) : 0)
#define StringStrcpy(blk, str) do { \
StringClear(blk); \
StringStrcat(blk, str); \
} while(0)
/* Tools */
static int ehexh(char c) {
if ((c>='0') && (c<='9')) return c-'0';
if ((c>='a') && (c<='f')) c-=('a'-'A');
if ((c>='A') && (c<='F')) return (c-'A'+10);
return 0;
}
static int ehex(const char* s) {
return 16*ehexh(*s)+ehexh(*(s+1));
}
static void unescapehttp(const char* s, String* tempo) {
int i;
for (i = 0; s[i] != '\0' ; i++) {
if (s[i]=='%' && s[i+1]=='%') {
i++;
StringAddchar(*tempo, '%');
} else if (s[i]=='%') {
char hc;
i++;
hc = (char) ehex(s+i);
StringAddchar(*tempo, (char) hc);
i++; // sauter 2 caractères finalement
}
else if (s[i]=='+') {
StringAddchar(*tempo, ' ');
}
else
StringAddchar(*tempo, s[i]);
}
}
static void escapexml(const char* s, String* tempo) {
int i;
for (i=0 ; s[i] != '\0' ; i++) {
if (s[i] == '&')
StringStrcat(*tempo, "&");
else if (s[i] == '<')
StringStrcat(*tempo, "<");
else if (s[i] == '>')
StringStrcat(*tempo, ">");
else if (s[i] == '\"')
StringStrcat(*tempo, """);
else
StringAddchar(*tempo, s[i]);
}
}
#endif
|
