From f9dbe12971960e35a0e5c6b701c6d83d4e199db5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Janouch?= <p.janouch@gmail.com>
Date: Sat, 11 Dec 2010 15:46:30 +0100
Subject: [PATCH] Stubplement LdDocument file operations.

Prototypes for these functions were wrong; fixed.
---
 src/ld-document.c | 55 ++++++++++++++++++++++++++++++++++++++++-------
 src/ld-document.h |  4 ++--
 2 files changed, 49 insertions(+), 10 deletions(-)

diff --git a/src/ld-document.c b/src/ld-document.c
index 54c0ff9..d067d3b 100644
--- a/src/ld-document.c
+++ b/src/ld-document.c
@@ -229,12 +229,29 @@ ld_document_clear_internal (LdDocument *self)
  */
 gboolean
 ld_document_load_from_file (LdDocument *self,
-	const gchar *filename, GError *error)
+	const gchar *filename, GError **error)
 {
-	g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE);
+	JsonParser *parser;
+	GError *json_error;
 
-	/* TODO */
-	return FALSE;
+	g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE);
+	g_return_val_if_fail (filename != NULL, FALSE);
+
+	/* TODO: Implement loading for real. This is just a stub. */
+	parser = json_parser_new ();
+
+	json_error = NULL;
+	json_parser_load_from_file (parser, filename, &json_error);
+	if (json_error)
+	{
+		g_propagate_error (error, json_error);
+		g_object_unref (parser);
+		return FALSE;
+	}
+
+	ld_document_clear (self);
+	g_object_unref (parser);
+	return TRUE;
 }
 
 /**
@@ -249,12 +266,34 @@ ld_document_load_from_file (LdDocument *self,
  */
 gboolean
 ld_document_save_to_file (LdDocument *self,
-	const gchar *filename, GError *error)
+	const gchar *filename, GError **error)
 {
-	g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE);
+	JsonGenerator *generator;
+	JsonNode *root;
+	GError *json_error;
 
-	/* TODO */
-	return FALSE;
+	g_return_val_if_fail (LD_IS_DOCUMENT (self), FALSE);
+	g_return_val_if_fail (filename != NULL, FALSE);
+
+	/* TODO: Implement saving for real. This is just a stub. */
+	generator = json_generator_new ();
+	g_object_set (generator, "pretty", TRUE, NULL);
+
+	/* XXX: json-glib dislikes empty objects. */
+	root = json_node_new (JSON_NODE_OBJECT);
+	json_generator_set_root (generator, root);
+	json_node_free (root);
+
+	json_error = NULL;
+	json_generator_to_file (generator, filename, &json_error);
+	if (json_error)
+	{
+		g_propagate_error (error, json_error);
+		g_object_unref (generator);
+		return FALSE;
+	}
+	g_object_unref (generator);
+	return TRUE;
 }
 
 /**
diff --git a/src/ld-document.h b/src/ld-document.h
index a27fe23..13602aa 100644
--- a/src/ld-document.h
+++ b/src/ld-document.h
@@ -60,9 +60,9 @@ GType ld_document_get_type (void) G_GNUC_CONST;
 LdDocument *ld_document_new (void);
 void ld_document_clear (LdDocument *self);
 gboolean ld_document_load_from_file (LdDocument *self,
-	const gchar *filename, GError *error);
+	const gchar *filename, GError **error);
 gboolean ld_document_save_to_file (LdDocument *self,
-	const gchar *filename, GError *error);
+	const gchar *filename, GError **error);
 
 gboolean ld_document_get_modified (LdDocument *self);
 void ld_document_set_modified (LdDocument *self, gboolean value);