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Diffstat (limited to 'src/replace-table.c')
| -rw-r--r-- | src/replace-table.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/replace-table.c b/src/replace-table.c new file mode 100644 index 0000000..d3503c4 --- /dev/null +++ b/src/replace-table.c @@ -0,0 +1,163 @@ +/* Cataract - Static web photo gallery generator + * Copyright (C) 2009 Tomas Bzatek <tbzatek@users.sourceforge.net> + * + * 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <sys/stat.h> +#include <unistd.h> + +#include <glib.h> +#include <glib/gprintf.h> + +#include "replace-table.h" +#include "gallery-utils.h" + + + + +ReplaceTable * +replace_table_new () +{ + return (ReplaceTable *) g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); +} + +void +replace_table_free (ReplaceTable *table) +{ + g_return_if_fail (table != NULL); + + g_hash_table_destroy (table); +} + + +/* + * replace_table_add_key: add tag/value pair to replace + * + * tag, value will be referenced inside + * + */ +void +replace_table_add_key (ReplaceTable *table, const gchar *tag, const gchar *value) +{ + g_return_if_fail (table != NULL); + + if (tag != NULL && value != NULL) + g_hash_table_replace (table, g_strdup (tag), g_strdup (value)); +} + +void +replace_table_add_key_int (ReplaceTable *table, const gchar *tag, gint value) +{ + g_return_if_fail (table != NULL); + + if (tag != NULL) + g_hash_table_replace (table, g_strdup (tag), g_strdup_printf ("%d", value)); +} + +void +replace_table_add_key_printf (ReplaceTable *table, const gchar *tag, const gchar *format, ...) +{ + va_list args; + gchar *s = NULL; + + g_return_if_fail (table != NULL); + + if (tag != NULL && format != NULL) { + va_start (args, format); + g_vasprintf (&s, format, args); + g_hash_table_replace (table, g_strdup (tag), s); + va_end (args); + } +} + + + +static void +replace_table_process_value (gpointer key, gpointer value, gpointer user_data) +{ + gchar **buffer = user_data; + gchar *tag; + gchar *tag_value; + + g_return_if_fail (key != NULL); + g_return_if_fail (value != NULL); + g_return_if_fail (user_data != NULL); + + /* replace <!-- $(xxx) --> tags */ + tag = g_strdup_printf ("<!-- $(%s) -->", (gchar *) key); + tag_value = g_strdup ((gchar *) value); + adjust_tags_normal (&tag_value); + while (strstr (*buffer, tag)) { + str_replace (buffer, tag, tag_value); + } + g_free (tag_value); + g_free (tag); + + /* replace $(xxx) tags */ + tag = g_strdup_printf ("$(%s)", (gchar *) key); + tag_value = g_strdup ((gchar *) value); + adjust_tags_parameter (&tag_value); + while (strstr (*buffer, tag)) { + str_replace (buffer, tag, tag_value); + } + g_free (tag_value); + g_free (tag); +} + +/* + * replace_table_process: process buffer and replace all tags filled in the replace table + * + * - reallocates source buffer + * + */ +void +replace_table_process (gchar **buffer, ReplaceTable *table) +{ + g_return_if_fail (table != NULL); + + g_hash_table_foreach (table, replace_table_process_value, buffer); + +/* + gchar *val = g_hash_table_lookup (table, "TAG"); + g_print ("replace_table_process: val = '%s'\n", val); +*/ +} + + +/* + * adjust_tags_normal: adjust string for normal HTML use + * adjust_tags_parameter: adjust string for use as tag parameter value + * - both funtions return newly allocated string + */ +void +adjust_tags_normal (char **str) +{ + fix_entities (str); +} + +void +adjust_tags_parameter (char **str) +{ + /* TODO: replace line endings with single space? */ + remove_tags (str, "<!--", "-->"); /* comments */ + remove_tags (str, "<", ">"); /* tags */ + fix_entities (str); /* entities */ + str_replace (str, "\"", """); /* " */ + str_replace (str, "'", "'"); /* ' */ +} |