Sylpheed

/*

 * Sylpheed templates subsystem 

 * Copyright (C) 2001 Alexander Barinov

 * Copyright (C) 2001-2004 Hiroyuki Yamamoto

 *

 * 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

 * (at your option) 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.

 */

#include "defs.h"

#include <glib.h>

#include <glib/gi18n.h>

#include <stdio.h>

#include <dirent.h>

#include <sys/stat.h>

#include <ctype.h>

#include "main.h"

#include "template.h"

#include "utils.h"

static GSList *template_list;

static Template *template_load(gchar *filename)

{

        Template *tmpl;

        FILE *fp;

        gchar buf[BUFFSIZE];

        gint bytes_read;

        if ((fp = g_fopen(filename, "rb")) == NULL) {

                FILE_OP_ERROR(filename, "fopen");

                return NULL;

        }

        tmpl = g_new(Template, 1);

        tmpl->name = NULL;

        tmpl->to = NULL;

        tmpl->cc = NULL;

        tmpl->subject = NULL;

        tmpl->value = NULL;

        while (fgets(buf, sizeof(buf), fp) != NULL) {

                if (buf[0] == '\n')

                        break;

                else if (!g_ascii_strncasecmp(buf, "Name:", 5))

                        tmpl->name = g_strdup(g_strstrip(buf + 5));

                else if (!g_ascii_strncasecmp(buf, "To:", 3))

                        tmpl->to = g_strdup(g_strstrip(buf + 3));

                else if (!g_ascii_strncasecmp(buf, "Cc:", 3))

                        tmpl->cc = g_strdup(g_strstrip(buf + 3));

                else if (!g_ascii_strncasecmp(buf, "Subject:", 8))

                        tmpl->subject = g_strdup(g_strstrip(buf + 8));

        }

        if (!tmpl->name) {

                g_warning("wrong template format\n");

                template_free(tmpl);

                return NULL;

        }

        if ((bytes_read = fread(buf, 1, sizeof(buf), fp)) == 0) {

                if (ferror(fp)) {

                        FILE_OP_ERROR(filename, "fread");

                        template_free(tmpl);

                        return NULL;

                }

        }

        fclose(fp);

        tmpl->value = g_strndup(buf, bytes_read);

        return tmpl;

}

void template_free(Template *tmpl)

{

        g_free(tmpl->name);

        g_free(tmpl->to);

        g_free(tmpl->cc);

        g_free(tmpl->subject);

        g_free(tmpl->value);

        g_free(tmpl);

}

void template_clear_config(GSList *tmpl_list)

{

        GSList *cur;

        Template *tmpl;

        for (cur = tmpl_list; cur != NULL; cur = cur->next) {

                tmpl = (Template *)cur->data;

                template_free(tmpl);

        }

        g_slist_free(tmpl_list);

}

GSList *template_read_config(void)

{

        const gchar *path;

        gchar *filename;

        DIR *dp;

        struct dirent *de;

        struct stat s;

        Template *tmpl;

        GSList *tmpl_list = NULL;

        path = get_template_dir();

        debug_print("%s:%d reading templates dir %s\n",

                    __FILE__, __LINE__, path);

        if (!is_dir_exist(path)) {

                if (make_dir(path) < 0)

                        return NULL;

        }

        if ((dp = opendir(path)) == NULL) {

                FILE_OP_ERROR(path, "opendir");

                return NULL;

        }

        while ((de = readdir(dp)) != NULL) {

                if (*de->d_name == '.') continue;

                filename = g_strconcat(path, G_DIR_SEPARATOR_S,

                                       de->d_name, NULL);

                if (g_stat(filename, &s) != 0 || !S_ISREG(s.st_mode) ) {

                        debug_print("%s:%d %s is not an ordinary file\n",

                                    __FILE__, __LINE__, filename);

                        continue;

                }

                tmpl = template_load(filename);

                if (tmpl)

                        tmpl_list = g_slist_append(tmpl_list, tmpl);

                g_free(filename);

        }

        closedir(dp);

        return tmpl_list;

}

void template_write_config(GSList *tmpl_list)

{

        const gchar *path;

        GSList *cur;

        Template *tmpl;

        FILE *fp;

        gint tmpl_num;

        debug_print("%s:%d writing templates\n", __FILE__, __LINE__);

        path = get_template_dir();

        if (!is_dir_exist(path)) {

                if (is_file_exist(path)) {

                        g_warning(_("file %s already exists\n"), path);

                        return;

                }

                if (make_dir(path) < 0)

                        return;

        }

        remove_all_files(path);

        for (cur = tmpl_list, tmpl_num = 1; cur != NULL;

             cur = cur->next, tmpl_num++) {

                gchar *filename;

                tmpl = cur->data;

                filename = g_strconcat(path, G_DIR_SEPARATOR_S,

                                       itos(tmpl_num), NULL);

                if ((fp = g_fopen(filename, "wb")) == NULL) {

                        FILE_OP_ERROR(filename, "fopen");

                        g_free(filename);

                        return;

                }

                fprintf(fp, "Name: %s\n", tmpl->name);

                if (tmpl->to && *tmpl->to != '\0')

                        fprintf(fp, "To: %s\n", tmpl->to);

                if (tmpl->cc && *tmpl->cc != '\0')

                        fprintf(fp, "Cc: %s\n", tmpl->cc);

                if (tmpl->subject && *tmpl->subject != '\0')

                        fprintf(fp, "Subject: %s\n", tmpl->subject);

                fputs("\n", fp);

                fwrite(tmpl->value, sizeof(gchar) * strlen(tmpl->value), 1, fp);

                fclose(fp);

                g_free(filename);

        }

}

GSList *template_get_config(void)

{

        if (!template_list)

                template_list = template_read_config();

        return template_list;

}

void template_set_config(GSList *tmpl_list)

{

        template_clear_config(template_list);

        template_write_config(tmpl_list);

        template_list = tmpl_list;

}