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1 /*
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2 * Module "urlregex" -- Display received URL in the log window
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3 *
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4 * Copyright 2011 Mikael Berthe <mikael@lilotux.net>
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5 * Copyright 2008 Frank Zschockelt <mcabber@freakysoft.de>
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6 *
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7 * This module is free software; you can redistribute it and/or modify
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8 * it under the terms of the GNU General Public License as published by
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9 * the Free Software Foundation; either version 2 of the License, or (at
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10 * your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 */
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20
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21 #include <string.h>
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22
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23 #include <mcabber/logprint.h>
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24 #include <mcabber/commands.h>
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25 #include <mcabber/compl.h>
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26 #include <mcabber/hooks.h>
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27 #include <mcabber/screen.h>
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28 #include <mcabber/settings.h>
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29 #include <mcabber/modules.h>
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30 #include <mcabber/config.h>
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31
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32 static void urlregex_init (void);
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33 static void urlregex_uninit (void);
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34
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35 /* Module description */
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36 module_info_t info_urlregex = {
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37 .branch = MCABBER_BRANCH,
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38 .api = MCABBER_API_VERSION,
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39 .version = MCABBER_VERSION,
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40 .description = "Simple URL extractor\n"
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41 " Displays URL in the log window.",
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42 .requires = NULL,
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43 .init = urlregex_init,
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44 .uninit = urlregex_uninit,
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45 .next = NULL,
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46 };
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47
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48 static guint urlregex_hid = 0; /* Hook handler id */
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49
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50 #ifdef HAVE_GLIB_REGEX
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51 static GRegex *url_regex = NULL;
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52 #endif
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53
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54 /* Helper function */
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55 #ifdef HAVE_GLIB_REGEX
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56 static inline void scr_log_urls(const gchar *string)
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57 {
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58 GMatchInfo *match_info;
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59
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60 g_regex_match_full(url_regex, string, -1, 0, 0, &match_info, NULL);
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61 while (g_match_info_matches(match_info)) {
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62 gchar *url = g_match_info_fetch(match_info, 0);
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63 scr_print_logwindow(url);
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64 g_free(url);
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65 g_match_info_next(match_info, NULL);
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66 }
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67 g_match_info_free(match_info);
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68 }
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69 #endif
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70
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71 /* Event handler */
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72 static guint urlregex_hh(const gchar *hookname, hk_arg_t *args, gpointer userdata)
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73 {
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74 #ifdef HAVE_GLIB_REGEX
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75 if (url_regex) {
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76 int i;
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77 const char *msg = NULL;
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78
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79 for (i = 0; args[i].name; i++) {
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80 if (!strcmp(args[i].name, "message")) {
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81 msg = args[i].value;
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82 break;
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83 }
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84 }
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85 if (msg)
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86 scr_log_urls(msg);
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87 }
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88 #endif
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89
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90 /* We're done, let the other handlers do their job! */
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91 return HOOK_HANDLER_RESULT_ALLOW_MORE_HANDLERS;
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92 }
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93
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94 /* Initialization */
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95 static void urlregex_init(void)
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96 {
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97 if (settings_opt_get("url_regex")) {
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98 #ifdef HAVE_GLIB_REGEX
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99 url_regex = g_regex_new(settings_opt_get("url_regex"),
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100 G_REGEX_OPTIMIZE, 0, NULL);
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101 /* Add handler
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102 * We are only interested in incoming message events
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103 */
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104 urlregex_hid = hk_add_handler(urlregex_hh, HOOK_POST_MESSAGE_IN,
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105 G_PRIORITY_DEFAULT_IDLE, NULL);
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106 #else
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107 scr_log_print(LPRINT_LOGNORM, "ERROR: Your glib version is too old, "
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108 "cannot use url_regex.");
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109 #endif // HAVE_GLIB_REGEX
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110 }
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111 }
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112
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113 /* Uninitialization */
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114 static void urlregex_uninit(void)
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115 {
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116 /* Unregister event handler */
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117 hk_del_handler(HOOK_POST_MESSAGE_IN, urlregex_hid);
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118 #ifdef HAVE_GLIB_REGEX
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119 if (url_regex) {
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120 g_regex_unref(url_regex);
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121 url_regex = NULL;
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122 }
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123 #endif
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124 }
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125
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126 /* vim: set et cindent cinoptions=>2\:2(0 ts=2 sw=2: For Vim users... */
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