From a985af97b7a1e208ea0379308cc0e03db28787dc Mon Sep 17 00:00:00 2001
From: Tomas Bzatek <tbzatek@users.sourceforge.net>
Date: Thu, 19 Feb 2009 22:50:50 +0100
Subject: Introduce tag replace table, part I.

---
 generators-replace-table.c | 140 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 generators-replace-table.c

(limited to 'generators-replace-table.c')

diff --git a/generators-replace-table.c b/generators-replace-table.c
new file mode 100644
index 0000000..562f9af
--- /dev/null
+++ b/generators-replace-table.c
@@ -0,0 +1,140 @@
+/*   Cataract - Static web photo gallery generator
+ *   Copyright (C) 2008 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 "generators-replace-table.h"
+#include "gallery-utils.h"
+
+
+
+
+
+static void
+replace_table_destroy_notify (gpointer data)
+{
+  g_print ("replace_table_destroy_notify: %s\n", (gchar *) data);
+
+  if ((gchar *) data)
+    g_free ((gchar *) data);
+}
+
+ReplaceTable *
+replace_table_new ()
+{
+  return (ReplaceTable *) g_hash_table_new_full (g_str_hash, g_str_equal, replace_table_destroy_notify, replace_table_destroy_notify);
+}
+
+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));
+}
+
+
+
+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);
+
+//  g_print ("replace_table_print: key = '%s', value = '%s'\n", (gchar *) key, (gchar *) value);
+
+  /*  replace <!-- $(xxx) --> tags  */
+  tag = g_strdup_printf ("<!-- $(%s) -->", (gchar *) key);
+  tag_value = g_strdup ((gchar *) value);
+  /*  TODO: do something with tag_value?  */
+/*  fix_entities (&s1);  */
+/*    s1 = g_markup_escape_text (s4, -1);  */
+  while (strstr (*buffer, tag)) {
+    str_replace (buffer, tag, tag_value, NULL);
+  }
+  g_free (tag_value);
+  g_free (tag);
+
+  /*  replace $(xxx) tags  */
+  tag = g_strdup_printf ("$(%s)", (gchar *) key);
+  tag_value = g_strdup ((gchar *) value);
+  /*  TODO: do something with tag_value?  */
+/*  fix_entities (&s1);  */
+/*    s1 = g_markup_escape_text (s4, -1);  */
+/*   remove all tags as we're tag value   */
+  while (strstr (*buffer, tag)) {
+    str_replace (buffer, tag, tag_value, NULL);
+  }
+  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);
+*/
+}
-- 
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