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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "tool_setup.h"
#include "slist_wc.h"
#ifndef CURL_DISABLE_LIBCURL_OPTION
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_cfgable.h"
#include "tool_easysrc.h"
#include "tool_msgs.h"
#include "memdebug.h" /* keep this as LAST include */
/* global variable definitions, for easy-interface source code generation */
struct slist_wc *easysrc_decl = NULL; /* Variable declarations */
struct slist_wc *easysrc_data = NULL; /* Build slists, forms etc. */
struct slist_wc *easysrc_code = NULL; /* Setopt calls */
struct slist_wc *easysrc_toohard = NULL; /* Unconvertible setopt */
struct slist_wc *easysrc_clean = NULL; /* Clean up allocated data */
int easysrc_mime_count = 0;
int easysrc_slist_count = 0;
static const char *const srchead[]={
"/********* Sample code generated by the curl command line tool **********",
" * All curl_easy_setopt() options are documented at:",
" * https://curl.se/libcurl/c/curl_easy_setopt.html",
" ************************************************************************/",
"#include <curl/curl.h>",
"",
"int main(int argc, char *argv[])",
"{",
" CURLcode ret;",
" CURL *hnd;",
NULL
};
/* easysrc_decl declarations come here */
/* easysrc_data initialization come here */
/* easysrc_code statements come here */
static const char *const srchard[]={
"/* Here is a list of options the curl code used that cannot get generated",
" as source easily. You may choose to either not use them or implement",
" them yourself.",
"",
NULL
};
static const char *const srcend[]={
"",
" return (int)ret;",
"}",
"/**** End of sample code ****/",
NULL
};
/* Clean up all source code if we run out of memory */
static void easysrc_free(void)
{
slist_wc_free_all(easysrc_decl);
easysrc_decl = NULL;
slist_wc_free_all(easysrc_data);
easysrc_data = NULL;
slist_wc_free_all(easysrc_code);
easysrc_code = NULL;
slist_wc_free_all(easysrc_toohard);
easysrc_toohard = NULL;
slist_wc_free_all(easysrc_clean);
easysrc_clean = NULL;
}
/* Add a source line to the main code or remarks */
CURLcode easysrc_add(struct slist_wc **plist, const char *line)
{
CURLcode ret = CURLE_OK;
struct slist_wc *list = slist_wc_append(*plist, line);
if(!list) {
easysrc_free();
ret = CURLE_OUT_OF_MEMORY;
}
else
*plist = list;
return ret;
}
CURLcode easysrc_addf(struct slist_wc **plist, const char *fmt, ...)
{
CURLcode ret;
char *bufp;
va_list ap;
va_start(ap, fmt);
bufp = curlx_mvaprintf(fmt, ap);
va_end(ap);
if(!bufp) {
ret = CURLE_OUT_OF_MEMORY;
}
else {
ret = easysrc_add(plist, bufp);
curl_free(bufp);
}
return ret;
}
#define CHKRET(v) do {CURLcode ret = (v); if(ret) return ret;} while(0)
CURLcode easysrc_init(void)
{
CHKRET(easysrc_add(&easysrc_code,
"hnd = curl_easy_init();"));
return CURLE_OK;
}
CURLcode easysrc_perform(void)
{
/* Note any setopt calls which we could not convert */
if(easysrc_toohard) {
int i;
struct curl_slist *ptr;
const char *c;
CHKRET(easysrc_add(&easysrc_code, ""));
/* Preamble comment */
for(i = 0; ((c = srchard[i]) != NULL); i++)
CHKRET(easysrc_add(&easysrc_code, c));
/* Each unconverted option */
if(easysrc_toohard) {
for(ptr = easysrc_toohard->first; ptr; ptr = ptr->next)
CHKRET(easysrc_add(&easysrc_code, ptr->data));
}
CHKRET(easysrc_add(&easysrc_code, ""));
CHKRET(easysrc_add(&easysrc_code, "*/"));
slist_wc_free_all(easysrc_toohard);
easysrc_toohard = NULL;
}
CHKRET(easysrc_add(&easysrc_code, ""));
CHKRET(easysrc_add(&easysrc_code, "ret = curl_easy_perform(hnd);"));
CHKRET(easysrc_add(&easysrc_code, ""));
return CURLE_OK;
}
CURLcode easysrc_cleanup(void)
{
CHKRET(easysrc_add(&easysrc_code, "curl_easy_cleanup(hnd);"));
CHKRET(easysrc_add(&easysrc_code, "hnd = NULL;"));
return CURLE_OK;
}
void dumpeasysrc(struct GlobalConfig *config)
{
struct curl_slist *ptr;
char *o = config->libcurl;
FILE *out;
bool fopened = FALSE;
if(strcmp(o, "-")) {
out = fopen(o, FOPEN_WRITETEXT);
fopened = TRUE;
}
else
out = stdout;
if(!out)
warnf(config, "Failed to open %s to write libcurl code!\n", o);
else {
int i;
const char *c;
for(i = 0; ((c = srchead[i]) != NULL); i++)
fprintf(out, "%s\n", c);
/* Declare variables used for complex setopt values */
if(easysrc_decl) {
for(ptr = easysrc_decl->first; ptr; ptr = ptr->next)
fprintf(out, " %s\n", ptr->data);
}
/* Set up complex values for setopt calls */
if(easysrc_data) {
fprintf(out, "\n");
for(ptr = easysrc_data->first; ptr; ptr = ptr->next)
fprintf(out, " %s\n", ptr->data);
}
fprintf(out, "\n");
if(easysrc_code) {
for(ptr = easysrc_code->first; ptr; ptr = ptr->next) {
if(ptr->data[0]) {
fprintf(out, " %s\n", ptr->data);
}
else {
fprintf(out, "\n");
}
}
}
if(easysrc_clean) {
for(ptr = easysrc_clean->first; ptr; ptr = ptr->next)
fprintf(out, " %s\n", ptr->data);
}
for(i = 0; ((c = srcend[i]) != NULL); i++)
fprintf(out, "%s\n", c);
if(fopened)
fclose(out);
}
easysrc_free();
}
#endif /* CURL_DISABLE_LIBCURL_OPTION */
|
