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, "r")) == 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->value = NULL;
  54
  55         while (fgets(buf, sizeof(buf), fp) != NULL) {
  56                 if (buf[0] == '\n')
  57                         break;
  58                 else if (!g_strncasecmp(buf, "Name:", 5))
  59                         tmpl->name = g_strdup(g_strstrip(buf + 5));
  60                 else if (!g_strncasecmp(buf, "Subject:", 8))
  61                         tmpl->subject = g_strdup(g_strstrip(buf + 8));
  62         }
  63
  64         if (!tmpl->name) {
  65                 g_warning("wrong template format\n");
  66                 template_free(tmpl);
  67                 return NULL;
  68         }
  69
  70         if ((bytes_read = fread(buf, 1, sizeof(buf), fp)) == 0) {
  71                 if (ferror(fp)) {
  72                         FILE_OP_ERROR(filename, "fread");
  73                         template_free(tmpl);
  74                         return NULL;
  75                 }
  76         }
  77         fclose(fp);
  78         tmpl->value = g_strndup(buf, bytes_read);
  79
  80         return tmpl;
  81 }
  82
  83 void template_free(Template *tmpl)
  84 {
  85         g_free(tmpl->name);
  86         g_free(tmpl->subject);
  87         g_free(tmpl->value);
  88         g_free(tmpl);
  89 }
  90
  91 void template_clear_config(GSList *tmpl_list)
  92 {
  93         GSList *cur;
  94         Template *tmpl;
  95
  96         for (cur = tmpl_list; cur != NULL; cur = cur->next) {
  97                 tmpl = (Template *)cur->data;
  98                 template_free(tmpl);
  99         }
 100         g_slist_free(tmpl_list);
 101 }
 102
 103 GSList *template_read_config(void)
 104 {
 105         gchar *path;
 106         gchar *filename;
 107         DIR *dp;
 108         struct dirent *de;
 109         struct stat s;
 110         Template *tmpl;
 111         GSList *tmpl_list = NULL;
 112
 113         path = get_template_dir();
 114         debug_print(_("%s:%d reading templates dir %s\n"), __FILE__, __LINE__, path);
 115
 116         if (!is_dir_exist(path)) {
 117                 if (mkdir(path, S_IRWXU) < 0) {
 118                         FILE_OP_ERROR(path, "mkdir");
 119                         return NULL;
 120                 }
 121         }
 122
 123         if ((dp = opendir(path)) == NULL) {
 124                 FILE_OP_ERROR(path, "opendir");
 125                 return NULL;
 126         }
 127
 128         while ((de = readdir(dp)) != NULL) {
 129                 if (*de->d_name == '.') continue;
 130
 131                 filename = g_strconcat(path, G_DIR_SEPARATOR_S, de->d_name, NULL);
 132                 debug_print(_("%s:%d found file %s\n"), __FILE__, __LINE__, filename);
 133
 134                 if (stat(filename, &s) != 0 || !S_ISREG(s.st_mode) ) {
 135                         debug_print(_("%s:%d %s is not an ordinary file\n"),
 136                                     __FILE__, __LINE__, filename);
 137                         continue;
 138                 }
 139
 140                 tmpl = template_load(filename);
 141                 if (tmpl)
 142                         tmpl_list = g_slist_append(tmpl_list, tmpl);
 143                 g_free(filename);
 144         }
 145
 146         closedir(dp);
 147
 148         return tmpl_list;
 149 }
 150
 151 void template_write_config(GSList *tmpl_list)
 152 {
 153         gchar *path;
 154         GSList *cur;
 155         Template *tmpl;
 156         FILE *fp;
 157         gint tmpl_num;
 158
 159         path = get_template_dir();
 160
 161         if (!is_dir_exist(path)) {
 162                 if (is_file_exist(path)) {
 163                         g_warning(_("file %s allready exists\n"), path);
 164                         return;
 165                 }
 166                 if (mkdir(path, S_IRWXU) < 0) {
 167                         FILE_OP_ERROR(path, "mkdir");
 168                         return;
 169                 }
 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, "w")) == 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)
 194                         fprintf(fp, "Subject: %s\n", tmpl->subject);
 195                 fputs("\n", fp);
 196                 fwrite(tmpl->value, sizeof(gchar) * strlen(tmpl->value), 1,
 197                        fp);
 198                 fclose(fp);
 199         }
 200 }
 201
 202 GSList *template_get_config(void)
 203 {
 204         if (!template_list)
 205                 template_list = template_read_config();
 206
 207         return template_list;
 208 }
 209
 210 void template_set_config(GSList *tmpl_list)
 211 {
 212         template_clear_config(template_list);
 213         template_write_config(tmpl_list);
 214         template_list = tmpl_list;
 215 }