src/template.c

   1 /*
   2  * Sylpheed templates subsystem
   3  * Copyright (C) 2001 Alexander Barinov
   4  * Copyright (C) 2001 Hiroyuki Yamamoto
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #include "defs.h"
  22
  23 #include <glib.h>
  24 #include <stdio.h>
  25 #include <dirent.h>
  26 #include <sys/stat.h>
  27 #include <ctype.h>
  28
  29 #include "intl.h"
  30 #include "main.h"
  31 #include "template.h"
  32 #include "utils.h"
  33
  34 static GSList *template_list;
  35
  36 static Template *template_load(gchar *filename)
  37 {
  38         Template *tmpl;
  39         FILE *fp;
  40         gchar buf[BUFFSIZE];
  41         gint bytes_read;
  42
  43         debug_print(_("%s:%d loading template from %s\n"), __FILE__, __LINE__, filename);
  44
  45         if ((fp = fopen(filename, "rb")) == NULL) {
  46                 FILE_OP_ERROR(filename, "fopen");
  47                 return NULL;
  48         }
  49
  50         tmpl = g_new(Template, 1);
  51         tmpl->name = NULL;
  52         tmpl->subject = NULL;
  53         tmpl->to = NULL;
  54         tmpl->value = NULL;
  55
  56         while (fgets(buf, sizeof(buf), fp) != NULL) {
  57                 if (buf[0] == '\n')
  58                         break;
  59                 else if (!g_strncasecmp(buf, "Name:", 5))
  60                         tmpl->name = g_strdup(g_strstrip(buf + 5));
  61                 else if (!g_strncasecmp(buf, "Subject:", 8))
  62                         tmpl->subject = g_strdup(g_strstrip(buf + 8));
  63                 else if (!g_strncasecmp(buf, "To:", 3))
  64                         tmpl->to = g_strdup(g_strstrip(buf + 3));
  65         }
  66
  67         if (!tmpl->name) {
  68                 g_warning("wrong template format\n");
  69                 template_free(tmpl);
  70                 return NULL;
  71         }
  72
  73         if ((bytes_read = fread(buf, 1, sizeof(buf), fp)) == 0) {
  74                 if (ferror(fp)) {
  75                         FILE_OP_ERROR(filename, "fread");
  76                         template_free(tmpl);
  77                         return NULL;
  78                 }
  79         }
  80         fclose(fp);
  81         tmpl->value = g_strndup(buf, bytes_read);
  82
  83         return tmpl;
  84 }
  85
  86 void template_free(Template *tmpl)
  87 {
  88         g_free(tmpl->name);
  89         g_free(tmpl->subject);
  90         g_free(tmpl->to);
  91         g_free(tmpl->value);
  92         g_free(tmpl);
  93 }
  94
  95 void template_clear_config(GSList *tmpl_list)
  96 {
  97         GSList *cur;
  98         Template *tmpl;
  99
 100         for (cur = tmpl_list; cur != NULL; cur = cur->next) {
 101                 tmpl = (Template *)cur->data;
 102                 template_free(tmpl);
 103         }
 104         g_slist_free(tmpl_list);
 105 }
 106
 107 GSList *template_read_config(void)
 108 {
 109         gchar *path;
 110         gchar *filename;
 111         DIR *dp;
 112         struct dirent *de;
 113         struct stat s;
 114         Template *tmpl;
 115         GSList *tmpl_list = NULL;
 116
 117         path = get_template_dir();
 118         debug_print(_("%s:%d reading templates dir %s\n"), __FILE__, __LINE__, path);
 119
 120         if (!is_dir_exist(path)) {
 121                 if (make_dir(path) < 0)
 122                         return NULL;
 123         }
 124
 125         if ((dp = opendir(path)) == NULL) {
 126                 FILE_OP_ERROR(path, "opendir");
 127                 return NULL;
 128         }
 129
 130         while ((de = readdir(dp)) != NULL) {
 131                 if (*de->d_name == '.') continue;
 132
 133                 filename = g_strconcat(path, G_DIR_SEPARATOR_S, de->d_name, NULL);
 134                 debug_print(_("%s:%d found file %s\n"), __FILE__, __LINE__, filename);
 135
 136                 if (stat(filename, &s) != 0 || !S_ISREG(s.st_mode) ) {
 137                         debug_print(_("%s:%d %s is not an ordinary file\n"),
 138                                     __FILE__, __LINE__, filename);
 139                         continue;
 140                 }
 141
 142                 tmpl = template_load(filename);
 143                 if (tmpl)
 144                         tmpl_list = g_slist_append(tmpl_list, tmpl);
 145                 g_free(filename);
 146         }
 147
 148         closedir(dp);
 149
 150         return tmpl_list;
 151 }
 152
 153 void template_write_config(GSList *tmpl_list)
 154 {
 155         gchar *path;
 156         GSList *cur;
 157         Template *tmpl;
 158         FILE *fp;
 159         gint tmpl_num;
 160
 161         path = get_template_dir();
 162
 163         if (!is_dir_exist(path)) {
 164                 if (is_file_exist(path)) {
 165                         g_warning(_("file %s already exists\n"), path);
 166                         return;
 167                 }
 168                 if (make_dir(path) < 0)
 169                         return;
 170         }
 171
 172         remove_all_files(path);
 173
 174         for (cur = tmpl_list, tmpl_num = 1; cur != NULL;
 175              cur = cur->next, tmpl_num++) {
 176                 gchar *filename;
 177
 178                 tmpl = cur->data;
 179
 180                 filename = g_strconcat(path, G_DIR_SEPARATOR_S,
 181                                        itos(tmpl_num), NULL);
 182
 183                 if ((fp = fopen(filename, "wb")) == NULL) {
 184                         FILE_OP_ERROR(filename, "fopen");
 185                         g_free(filename);
 186                         g_free(path);
 187                         return;
 188                 }
 189
 190                 debug_print(_("%s:%d writing template \"%s\" to %s\n"),
 191                             __FILE__, __LINE__, tmpl->name, filename);
 192                 fprintf(fp, "Name: %s\n", tmpl->name);
 193                 if (tmpl->subject && *tmpl->subject != '\0')
 194                         fprintf(fp, "Subject: %s\n", tmpl->subject);
 195                 if (tmpl->to && *tmpl->to != '\0')
 196                         fprintf(fp, "To: %s\n", tmpl->to);
 197                 fputs("\n", fp);
 198                 fwrite(tmpl->value, sizeof(gchar) * strlen(tmpl->value), 1,
 199                        fp);
 200                 fclose(fp);
 201         }
 202 }
 203
 204 GSList *template_get_config(void)
 205 {
 206         if (!template_list)
 207                 template_list = template_read_config();
 208
 209         return template_list;
 210 }
 211
 212 void template_set_config(GSList *tmpl_list)
 213 {
 214         template_clear_config(template_list);
 215         template_write_config(tmpl_list);
 216         template_list = tmpl_list;
 217 }