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-rw-r--r--e-util/ChangeLog4
-rw-r--r--e-util/Makefile.am2
-rw-r--r--e-util/e-xml-hash-utils.c235
-rw-r--r--e-util/e-xml-hash-utils.h69
4 files changed, 310 insertions, 0 deletions
diff --git a/e-util/ChangeLog b/e-util/ChangeLog
index 3700f7b5dd..152da6bd88 100644
--- a/e-util/ChangeLog
+++ b/e-util/ChangeLog
@@ -1,3 +1,7 @@
+2003-01-17 Dan Winship <danw@ximian.com>
+
+ * e-xml-hash-utils.c: New, sort of from evolution-recurid-branch.
+
2003-01-16 Dan Winship <danw@ximian.com>
* e-account.c: New class, based on MailConfigAccount, for
diff --git a/e-util/Makefile.am b/e-util/Makefile.am
index 559165a22b..bf83695167 100644
--- a/e-util/Makefile.am
+++ b/e-util/Makefile.am
@@ -49,6 +49,7 @@ eutilinclude_HEADERS = \
e-time-utils.h \
e-trie.h \
e-url.h \
+ e-xml-hash-utils.h \
md5-utils.h
libeutil_la_SOURCES = \
@@ -82,6 +83,7 @@ libeutil_la_SOURCES = \
e-trie.c \
e-url.c \
e-util-marshal.c \
+ e-xml-hash-utils.c \
md5-utils.c
# GLib marshalling cruft
diff --git a/e-util/e-xml-hash-utils.c b/e-util/e-xml-hash-utils.c
new file mode 100644
index 0000000000..efb29f5fb6
--- /dev/null
+++ b/e-util/e-xml-hash-utils.c
@@ -0,0 +1,235 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2001-2003 Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "e-xml-hash-utils.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <libxml/xmlmemory.h>
+
+GHashTable *
+e_xml_to_hash (xmlDoc *doc, EXmlHashType type)
+{
+ xmlNode *root, *node;
+ const char *key, *value;
+ GHashTable *hash;
+
+ hash = g_hash_table_new (g_str_hash, g_str_equal);
+
+ root = xmlDocGetRootElement (doc);
+ for (node = root->xmlChildrenNode; node; node = node->next) {
+ if (node->name == NULL)
+ continue;
+
+ if (type == E_XML_HASH_TYPE_OBJECT_UID &&
+ !strcmp (node->name, "object"))
+ key = xmlGetProp (node, "uid");
+ else
+ key = node->name;
+
+ value = xmlNodeListGetString (doc, node->xmlChildrenNode, 1);
+ if (!key || !value) {
+ g_warning ("Found an entry with missing properties!!");
+ continue;
+ }
+
+ g_hash_table_insert (hash, g_strdup (key), g_strdup (value));
+ }
+
+ return hash;
+}
+
+
+struct save_data {
+ EXmlHashType type;
+ xmlNode *root;
+};
+
+static void
+foreach_save_func (gpointer key, gpointer value, gpointer user_data)
+{
+ struct save_data *sd = user_data;
+ xmlNodePtr new_node;
+
+ if (sd->type == E_XML_HASH_TYPE_OBJECT_UID) {
+ new_node = xmlNewNode (NULL, "object");
+ xmlNewProp (new_node, "uid", (const char *) key);
+ } else
+ new_node = xmlNewNode (NULL, (const char *) key);
+ xmlNodeSetContent (new_node, (const char *) value);
+
+ xmlAddChild (sd->root, new_node);
+}
+
+xmlDoc *
+e_xml_from_hash (GHashTable *hash, EXmlHashType type, const char *root_name)
+{
+ xmlDoc *doc;
+ struct save_data sd;
+
+ doc = xmlNewDoc ("1.0");
+ sd.type = type;
+ sd.root = xmlNewDocNode (doc, NULL, root_name, NULL);
+ xmlDocSetRootElement (doc, sd.root);
+
+ g_hash_table_foreach (hash, foreach_save_func, &sd);
+ return doc;
+}
+
+static void
+free_values (gpointer key, gpointer value, gpointer data)
+{
+ g_free (key);
+ g_free (value);
+}
+
+void
+e_xml_destroy_hash (GHashTable *hash)
+{
+ g_hash_table_foreach (hash, free_values, NULL);
+ g_hash_table_destroy (hash);
+}
+
+
+
+struct EXmlHash {
+ char *filename;
+ GHashTable *objects;
+};
+
+EXmlHash *
+e_xmlhash_new (const char *filename)
+{
+ EXmlHash *hash;
+ xmlDoc *doc;
+
+ g_return_val_if_fail (filename != NULL, NULL);
+
+ doc = xmlParseFile (filename);
+ if (!doc)
+ return NULL;
+
+ hash = g_new0 (EXmlHash, 1);
+ hash->filename = g_strdup (filename);
+ hash->objects = e_xml_to_hash (doc, E_XML_HASH_TYPE_OBJECT_UID);
+ xmlFreeDoc (doc);
+
+ return hash;
+}
+
+void
+e_xmlhash_add (EXmlHash *hash, const char *key, const char *data)
+{
+ g_return_if_fail (hash != NULL);
+ g_return_if_fail (key != NULL);
+ g_return_if_fail (data != NULL);
+
+ e_xmlhash_remove (hash, key);
+ g_hash_table_insert (hash->objects, g_strdup (key), g_strdup (data));
+}
+
+void
+e_xmlhash_remove (EXmlHash *hash, const char *key)
+{
+ gpointer orig_key;
+ gpointer orig_value;
+
+ g_return_if_fail (hash != NULL);
+ g_return_if_fail (key != NULL);
+
+ if (g_hash_table_lookup_extended (hash->objects, key, &orig_key, &orig_value)) {
+ g_hash_table_remove (hash->objects, key);
+ g_free (orig_key);
+ g_free (orig_value);
+ }
+}
+
+EXmlHashStatus
+e_xmlhash_compare (EXmlHash *hash, const char *key, const char *compare_data)
+{
+ char *data;
+ int rc;
+
+ g_return_val_if_fail (hash != NULL, E_XMLHASH_STATUS_NOT_FOUND);
+ g_return_val_if_fail (key != NULL, E_XMLHASH_STATUS_NOT_FOUND);
+ g_return_val_if_fail (compare_data != NULL, E_XMLHASH_STATUS_NOT_FOUND);
+
+ data = g_hash_table_lookup (hash->objects, key);
+ if (!data)
+ return E_XMLHASH_STATUS_NOT_FOUND;
+
+ rc = strcmp (data, compare_data);
+ if (rc == 0)
+ return E_XMLHASH_STATUS_SAME;
+
+ return E_XMLHASH_STATUS_DIFFERENT;
+}
+
+typedef struct {
+ EXmlHashFunc func;
+ gpointer user_data;
+} foreach_data_t;
+
+static void
+foreach_hash_func (gpointer key, gpointer value, gpointer user_data)
+{
+ foreach_data_t *data = (foreach_data_t *) user_data;
+
+ data->func (key, data->user_data);
+}
+
+void
+e_xmlhash_foreach_key (EXmlHash *hash, EXmlHashFunc func, gpointer user_data)
+{
+ foreach_data_t data;
+
+ g_return_if_fail (hash != NULL);
+ g_return_if_fail (func != NULL);
+
+ data.func = func;
+ data.user_data = user_data;
+ g_hash_table_foreach (hash->objects, foreach_hash_func, &data);
+}
+
+void
+e_xmlhash_write (EXmlHash *hash)
+{
+ xmlDoc *doc;
+
+ g_return_if_fail (hash != NULL);
+
+ doc = e_xml_from_hash (hash->objects, E_XML_HASH_TYPE_OBJECT_UID, "xmlhash");
+ xmlSaveFile (hash->filename, doc);
+ xmlFreeDoc (doc);
+}
+
+void
+e_xmlhash_destroy (EXmlHash *hash)
+{
+ g_return_if_fail (hash != NULL);
+
+ g_free (hash->filename);
+ e_xml_destroy_hash (hash->objects);
+
+ g_free (hash);
+}
diff --git a/e-util/e-xml-hash-utils.h b/e-util/e-xml-hash-utils.h
new file mode 100644
index 0000000000..b972aa4b1a
--- /dev/null
+++ b/e-util/e-xml-hash-utils.h
@@ -0,0 +1,69 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2001-2003 Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef __E_XML_HASH_UTILS_H__
+#define __E_XML_HASH_UTILS_H__
+
+#include <glib.h>
+#include <libxml/parser.h>
+
+typedef enum {
+ E_XML_HASH_TYPE_OBJECT_UID,
+ E_XML_HASH_TYPE_PROPERTY
+} EXmlHashType;
+
+GHashTable *e_xml_to_hash (xmlDoc *doc,
+ EXmlHashType type);
+xmlDoc *e_xml_from_hash (GHashTable *hash,
+ EXmlHashType type,
+ const char *root_node);
+
+void e_xml_destroy_hash (GHashTable *hash);
+
+
+
+typedef enum {
+ E_XMLHASH_STATUS_SAME,
+ E_XMLHASH_STATUS_DIFFERENT,
+ E_XMLHASH_STATUS_NOT_FOUND
+} EXmlHashStatus;
+
+typedef void (* EXmlHashFunc) (const char *key, gpointer user_data);
+
+typedef struct EXmlHash EXmlHash;
+
+EXmlHash *e_xmlhash_new (const char *filename);
+
+void e_xmlhash_add (EXmlHash *hash,
+ const char *key,
+ const char *data);
+void e_xmlhash_remove (EXmlHash *hash,
+ const char *key);
+
+EXmlHashStatus e_xmlhash_compare (EXmlHash *hash,
+ const char *key,
+ const char *compare_data);
+void e_xmlhash_foreach_key (EXmlHash *hash,
+ EXmlHashFunc func,
+ gpointer user_data);
+
+void e_xmlhash_write (EXmlHash *hash);
+void e_xmlhash_destroy (EXmlHash *hash);
+
+#endif
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