1 files changed, 271 insertions, 0 deletions
diff --git a/e-util/e-table-memory.c b/e-util/e-table-memory.c
new file mode 100644
index 0000000000..b9a7eb94e7
--- /dev/null
+++ b/e-util/e-table-memory.c
@@ -0,0 +1,271 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ *		Chris Lahey <clahey@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include <libxml/parser.h>
+#include <libxml/xmlmemory.h>
+
+#include "e-table-memory.h"
+#include "e-xml-utils.h"
+
+#define E_TABLE_MEMORY_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_TABLE_MEMORY, ETableMemoryPrivate))
+
+G_DEFINE_TYPE (ETableMemory, e_table_memory, E_TYPE_TABLE_MODEL)
+
+struct _ETableMemoryPrivate {
+	gpointer *data;
+	gint num_rows;
+	gint frozen;
+};
+
+static void
+etmm_finalize (GObject *object)
+{
+	ETableMemoryPrivate *priv;
+
+	priv = E_TABLE_MEMORY_GET_PRIVATE (object);
+
+	g_free (priv->data);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (e_table_memory_parent_class)->finalize (object);
+}
+
+static gint
+etmm_row_count (ETableModel *etm)
+{
+	ETableMemory *etmm = E_TABLE_MEMORY (etm);
+
+	return etmm->priv->num_rows;
+}
+
+static void
+e_table_memory_class_init (ETableMemoryClass *class)
+{
+	GObjectClass *object_class;
+	ETableModelClass *table_model_class;
+
+	g_type_class_add_private (class, sizeof (ETableMemoryPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->finalize = etmm_finalize;
+
+	table_model_class = E_TABLE_MODEL_CLASS (class);
+	table_model_class->row_count = etmm_row_count;
+}
+
+static void
+e_table_memory_init (ETableMemory *etmm)
+{
+	etmm->priv = E_TABLE_MEMORY_GET_PRIVATE (etmm);
+}
+
+/**
+ * e_table_memory_new
+ *
+ * XXX docs here.
+ *
+ * return values: a newly constructed ETableMemory.
+ */
+ETableMemory *
+e_table_memory_new (void)
+{
+	return g_object_new (E_TYPE_TABLE_MEMORY, NULL);
+}
+
+/**
+ * e_table_memory_get_data:
+ * @etmm:
+ * @row:
+ *
+ *
+ *
+ * Return value:
+ **/
+gpointer
+e_table_memory_get_data (ETableMemory *etmm,
+                         gint row)
+{
+	g_return_val_if_fail (row >= 0, NULL);
+	g_return_val_if_fail (row < etmm->priv->num_rows, NULL);
+
+	return etmm->priv->data[row];
+}
+
+/**
+ * e_table_memory_set_data:
+ * @etmm:
+ * @row:
+ * @data:
+ *
+ *
+ **/
+void
+e_table_memory_set_data (ETableMemory *etmm,
+                         gint row,
+                         gpointer data)
+{
+	g_return_if_fail (row >= 0);
+	g_return_if_fail (row < etmm->priv->num_rows);
+
+	etmm->priv->data[row] = data;
+}
+
+/**
+ * e_table_memory_insert:
+ * @table_model:
+ * @parent_path:
+ * @position:
+ * @data:
+ *
+ *
+ *
+ * Return value:
+ **/
+void
+e_table_memory_insert (ETableMemory *etmm,
+                       gint row,
+                       gpointer data)
+{
+	g_return_if_fail (row >= -1);
+	g_return_if_fail (row <= etmm->priv->num_rows);
+
+	if (!etmm->priv->frozen)
+		e_table_model_pre_change (E_TABLE_MODEL (etmm));
+
+	if (row == -1)
+		row = etmm->priv->num_rows;
+	etmm->priv->data = g_renew (gpointer, etmm->priv->data, etmm->priv->num_rows + 1);
+	memmove (
+		etmm->priv->data + row + 1,
+		etmm->priv->data + row,
+		(etmm->priv->num_rows - row) * sizeof (gpointer));
+	etmm->priv->data[row] = data;
+	etmm->priv->num_rows++;
+	if (!etmm->priv->frozen)
+		e_table_model_row_inserted (E_TABLE_MODEL (etmm), row);
+}
+
+/**
+ * e_table_memory_remove:
+ * @etable:
+ * @path:
+ *
+ *
+ *
+ * Return value:
+ **/
+gpointer
+e_table_memory_remove (ETableMemory *etmm,
+                       gint row)
+{
+	gpointer ret;
+
+	g_return_val_if_fail (row >= 0, NULL);
+	g_return_val_if_fail (row < etmm->priv->num_rows, NULL);
+
+	if (!etmm->priv->frozen)
+		e_table_model_pre_change (E_TABLE_MODEL (etmm));
+	ret = etmm->priv->data[row];
+	memmove (
+		etmm->priv->data + row,
+		etmm->priv->data + row + 1,
+		(etmm->priv->num_rows - row - 1) * sizeof (gpointer));
+	etmm->priv->num_rows--;
+	if (!etmm->priv->frozen)
+		e_table_model_row_deleted (E_TABLE_MODEL (etmm), row);
+	return ret;
+}
+
+/**
+ * e_table_memory_clear:
+ * @etable:
+ * @path:
+ *
+ *
+ *
+ * Return value:
+ **/
+void
+e_table_memory_clear (ETableMemory *etmm)
+{
+	if (!etmm->priv->frozen)
+		e_table_model_pre_change (E_TABLE_MODEL (etmm));
+	g_free (etmm->priv->data);
+	etmm->priv->data = NULL;
+	etmm->priv->num_rows = 0;
+	if (!etmm->priv->frozen)
+		e_table_model_changed (E_TABLE_MODEL (etmm));
+}
+
+/**
+ * e_table_memory_freeze:
+ * @etmm: the ETableModel to freeze.
+ *
+ * This function prepares an ETableModel for a period of much change.
+ * All signals regarding changes to the table are deferred until we
+ * thaw the table.
+ *
+ **/
+void
+e_table_memory_freeze (ETableMemory *etmm)
+{
+	ETableMemoryPrivate *priv = etmm->priv;
+
+	if (priv->frozen == 0)
+		e_table_model_pre_change (E_TABLE_MODEL (etmm));
+
+	priv->frozen++;
+}
+
+/**
+ * e_table_memory_thaw:
+ * @etmm: the ETableMemory to thaw.
+ *
+ * This function thaws an ETableMemory.  All the defered signals can add
+ * up to a lot, we don't know - so we just emit a model_changed
+ * signal.
+ *
+ **/
+void
+e_table_memory_thaw (ETableMemory *etmm)
+{
+	ETableMemoryPrivate *priv = etmm->priv;
+
+	if (priv->frozen > 0)
+		priv->frozen--;
+	if (priv->frozen == 0) {
+		e_table_model_changed (E_TABLE_MODEL (etmm));
+	}
+}