diff options
author | Stefano Karapetsas <[email protected]> | 2011-12-14 10:13:54 +0100 |
---|---|---|
committer | Stefano Karapetsas <[email protected]> | 2011-12-14 10:13:54 +0100 |
commit | ef0467789bfc8406b57ba553e4d59f4d6c3f9be8 (patch) | |
tree | 09d541636a16cb38448fe6183289ebdc3080c1bf /mate-dictionary/libgdict/gdict-source.c | |
download | mate-utils-ef0467789bfc8406b57ba553e4d59f4d6c3f9be8.tar.bz2 mate-utils-ef0467789bfc8406b57ba553e4d59f4d6c3f9be8.tar.xz |
Moved from Mate-Extra repository
Diffstat (limited to 'mate-dictionary/libgdict/gdict-source.c')
-rw-r--r-- | mate-dictionary/libgdict/gdict-source.c | 1195 |
1 files changed, 1195 insertions, 0 deletions
diff --git a/mate-dictionary/libgdict/gdict-source.c b/mate-dictionary/libgdict/gdict-source.c new file mode 100644 index 00000000..aea506d2 --- /dev/null +++ b/mate-dictionary/libgdict/gdict-source.c @@ -0,0 +1,1195 @@ +/* gdict-source.c - Source configuration for Gdict + * + * Copyright (C) 2005 Emmanuele Bassi <[email protected]> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + */ + +/** + * SECTION:gdict-source + * @short_description: A dictionary source definition + * + * #GdictSource is the representation of a #GdictContext. Each dictionary + * source provides a list of available dictionaries (databases) and a list + * of available matching strategies. Using a #GdictContext you can query + * the dictionary source for matching words and for definitions. + * + * By using a #GdictSource object you can retrieve the appropriate + * #GdictContext, already set up with the right parameters. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <glib/gi18n-lib.h> + +#include "gdict-source.h" +#include "gdict-client-context.h" +#include "gdict-utils.h" +#include "gdict-enum-types.h" +#include "gdict-private.h" + +/* Main group */ +#define SOURCE_GROUP "Dictionary Source" + +/* Common keys */ +#define SOURCE_KEY_NAME "Name" +#define SOURCE_KEY_DESCRIPTION "Description" +#define SOURCE_KEY_TRANSPORT "Transport" +#define SOURCE_KEY_DATABASE "Database" +#define SOURCE_KEY_STRATEGY "Strategy" + +/* dictd transport keys */ +#define SOURCE_KEY_HOSTNAME "Hostname" +#define SOURCE_KEY_PORT "Port" + + +#define GDICT_SOURCE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GDICT_TYPE_SOURCE, GdictSourcePrivate)) + +struct _GdictSourcePrivate +{ + gchar *filename; + GKeyFile *keyfile; + + gchar *name; + gchar *description; + + gchar *database; + gchar *strategy; + + GdictSourceTransport transport; + + GdictContext *context; +}; + +enum +{ + PROP_0, + + PROP_FILENAME, + PROP_NAME, + PROP_DESCRIPTION, + PROP_DATABASE, + PROP_STRATEGY, + PROP_TRANSPORT, + PROP_CONTEXT +}; + +/* keep in sync with GdictSourceTransport */ +static const gchar *valid_transports[] = +{ + "dictd", /* GDICT_SOURCE_TRANSPORT_DICTD */ + + NULL /* GDICT_SOURCE_TRANSPORT_INVALID */ +}; + +#define IS_VALID_TRANSPORT(t) (((t) >= GDICT_SOURCE_TRANSPORT_DICTD) && \ + ((t) < GDICT_SOURCE_TRANSPORT_INVALID)) + +GQuark +gdict_source_error_quark (void) +{ + static GQuark quark = 0; + + if (G_UNLIKELY (quark == 0)) + quark = g_quark_from_static_string ("gdict-source-error-quark"); + + return quark; +} + + +G_DEFINE_TYPE (GdictSource, gdict_source, G_TYPE_OBJECT); + + + +static void +gdict_source_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GdictSource *source = GDICT_SOURCE (object); + + switch (prop_id) + { + case PROP_NAME: + gdict_source_set_name (source, g_value_get_string (value)); + break; + case PROP_DESCRIPTION: + gdict_source_set_description (source, g_value_get_string (value)); + break; + case PROP_TRANSPORT: + gdict_source_set_transport (source, g_value_get_enum (value), NULL); + break; + case PROP_DATABASE: + gdict_source_set_database (source, g_value_get_string (value)); + break; + case PROP_STRATEGY: + gdict_source_set_strategy (source, g_value_get_string (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gdict_source_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GdictSource *source = GDICT_SOURCE (object); + GdictSourcePrivate *priv = source->priv; + + switch (prop_id) + { + case PROP_FILENAME: + g_value_set_string (value, priv->filename); + break; + case PROP_NAME: + g_value_set_string (value, priv->name); + break; + case PROP_DESCRIPTION: + g_value_set_string (value, priv->description); + break; + case PROP_DATABASE: + g_value_set_string (value, priv->database); + break; + case PROP_STRATEGY: + g_value_set_string (value, priv->strategy); + break; + case PROP_TRANSPORT: + g_value_set_enum (value, priv->transport); + break; + case PROP_CONTEXT: + g_value_set_object (value, gdict_source_peek_context (source)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gdict_source_finalize (GObject *object) +{ + GdictSourcePrivate *priv = GDICT_SOURCE_GET_PRIVATE (object); + + g_free (priv->filename); + + if (priv->keyfile) + g_key_file_free (priv->keyfile); + + g_free (priv->name); + g_free (priv->description); + + g_free (priv->database); + g_free (priv->strategy); + + if (priv->context) + g_object_unref (priv->context); + + G_OBJECT_CLASS (gdict_source_parent_class)->finalize (object); +} + +static void +gdict_source_class_init (GdictSourceClass *klass) +{ + GObjectClass *gobject_class = G_OBJECT_CLASS (klass); + + gobject_class->set_property = gdict_source_set_property; + gobject_class->get_property = gdict_source_get_property; + gobject_class->finalize = gdict_source_finalize; + + /** + * GdictSource:filename + * + * The filename used by this dictionary source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_FILENAME, + g_param_spec_string ("filename", + _("Filename"), + _("The filename used by this dictionary source"), + NULL, + G_PARAM_READABLE)); + /** + * GdictSource:name + * + * The display name of this dictionary source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_NAME, + g_param_spec_string ("name", + _("Name"), + _("The display name of this dictonary source"), + NULL, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + /** + * GdictSource:description + * + * The description of this dictionary source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_DESCRIPTION, + g_param_spec_string ("description", + _("Description"), + _("The description of this dictionary source"), + NULL, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + /** + * GdictSource:database + * + * The default database of this dictionary source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_DATABASE, + g_param_spec_string ("database", + _("Database"), + _("The default database of this dictonary source"), + NULL, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + /** + * GdictSource:strategy + * + * The default strategy of this dictionary source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_STRATEGY, + g_param_spec_string ("strategy", + _("Strategy"), + _("The default strategy of this dictonary source"), + NULL, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + /** + * GdictSource:transport + * + * The transport mechanism used by this source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_TRANSPORT, + g_param_spec_enum ("transport", + _("Transport"), + _("The transport mechanism used by this dictionary source"), + GDICT_TYPE_SOURCE_TRANSPORT, + GDICT_SOURCE_TRANSPORT_INVALID, + (G_PARAM_READABLE | G_PARAM_WRITABLE))); + /** + * GdictSource:context + * + * The #GdictContext bound to this source. + * + * Since: 1.0 + */ + g_object_class_install_property (gobject_class, + PROP_CONTEXT, + g_param_spec_object ("context", + _("Context"), + _("The GdictContext bound to this source"), + GDICT_TYPE_CONTEXT, + G_PARAM_READABLE)); + + g_type_class_add_private (klass, sizeof (GdictSourcePrivate)); +} + +static void +gdict_source_init (GdictSource *source) +{ + GdictSourcePrivate *priv; + + priv = GDICT_SOURCE_GET_PRIVATE (source); + source->priv = priv; + + priv->filename = NULL; + priv->keyfile = g_key_file_new (); + + priv->name = NULL; + priv->description = NULL; + priv->database = NULL; + priv->strategy = NULL; + priv->transport = GDICT_SOURCE_TRANSPORT_INVALID; + + priv->context = NULL; +} + +/** + * gdict_source_new: + * + * Creates an empty #GdictSource object. Use gdict_load_from_file() to + * read an existing dictionary source definition file. + * + * Return value: an empty #GdictSource + */ +GdictSource * +gdict_source_new (void) +{ + return g_object_new (GDICT_TYPE_SOURCE, NULL); +} + +static GdictSourceTransport +gdict_source_resolve_transport (const gchar *transport) +{ + if (!transport) + return GDICT_SOURCE_TRANSPORT_INVALID; + + if (strcmp (transport, "dictd") == 0) + return GDICT_SOURCE_TRANSPORT_DICTD; + else + return GDICT_SOURCE_TRANSPORT_INVALID; + + g_assert_not_reached (); +} + +static GdictContext * +gdict_source_create_context (GdictSource *source, + GdictSourceTransport transport, + GError **error) +{ + GdictSourcePrivate *priv; + GdictContext *context; + + g_assert (GDICT_IS_SOURCE (source)); + + priv = source->priv; + + switch (transport) + { + case GDICT_SOURCE_TRANSPORT_DICTD: + { + gchar *hostname; + gint port; + + hostname = g_key_file_get_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_HOSTNAME, + NULL); + + port = g_key_file_get_integer (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_PORT, + NULL); + if (!port) + port = -1; + + context = gdict_client_context_new (hostname, port); + + if (hostname) + g_free (hostname); + } + break; + default: + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("Invalid transport type '%d'"), + transport); + return NULL; + } + + g_assert (context != NULL); + + if (priv->transport != transport) + priv->transport = transport; + + return context; +} + +static gboolean +gdict_source_parse (GdictSource *source, + GError **error) +{ + GdictSourcePrivate *priv; + GError *parse_error; + gchar *transport; + GdictSourceTransport t; + + priv = source->priv; + + if (!g_key_file_has_group (priv->keyfile, SOURCE_GROUP)) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("No '%s' group found inside the dictionary source definition"), + SOURCE_GROUP); + + return FALSE; + } + + /* fetch the name for the dictionary source definition */ + parse_error = NULL; + priv->name = g_key_file_get_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_NAME, + &parse_error); + if (parse_error) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("Unable to get the '%s' key inside the dictionary " + "source definition: %s"), + SOURCE_KEY_NAME, + parse_error->message); + g_error_free (parse_error); + + g_key_file_free (priv->keyfile); + priv->keyfile = NULL; + + return FALSE; + } + + /* if present, fetch the localized description */ + if (g_key_file_has_key (priv->keyfile, SOURCE_GROUP, SOURCE_KEY_DESCRIPTION, NULL)) + { + priv->description = g_key_file_get_locale_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DESCRIPTION, + NULL, + &parse_error); + if (parse_error) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("Unable to get the '%s' key inside the dictionary " + "source definition: %s"), + SOURCE_KEY_DESCRIPTION, + parse_error->message); + + g_error_free (parse_error); + g_key_file_free (priv->keyfile); + priv->keyfile = NULL; + g_free (priv->name); + + return FALSE; + } + } + + if (g_key_file_has_key (priv->keyfile, SOURCE_GROUP, SOURCE_KEY_DATABASE, NULL)) + { + priv->database = g_key_file_get_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DATABASE, + &parse_error); + if (parse_error) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("Unable to get the '%s' key inside the dictionary " + "source definition: %s"), + SOURCE_KEY_DATABASE, + parse_error->message); + + g_error_free (parse_error); + g_key_file_free (priv->keyfile); + priv->keyfile = NULL; + g_free (priv->name); + g_free (priv->description); + + return FALSE; + } + } + + if (g_key_file_has_key (priv->keyfile, SOURCE_GROUP, SOURCE_KEY_STRATEGY, NULL)) + { + priv->strategy = g_key_file_get_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_STRATEGY, + &parse_error); + if (parse_error) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("Unable to get the '%s' key inside the dictionary " + "source definition: %s"), + SOURCE_KEY_STRATEGY, + parse_error->message); + + g_error_free (parse_error); + g_key_file_free (priv->keyfile); + priv->keyfile = NULL; + + g_free (priv->name); + g_free (priv->description); + g_free (priv->database); + + return FALSE; + } + } + + transport = g_key_file_get_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_TRANSPORT, + &parse_error); + if (parse_error) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_PARSE, + _("Unable to get the '%s' key inside the dictionary " + "source definition file: %s"), + SOURCE_KEY_TRANSPORT, + parse_error->message); + + g_error_free (parse_error); + g_key_file_free (priv->keyfile); + priv->keyfile = NULL; + g_free (priv->name); + g_free (priv->description); + g_free (priv->database); + g_free (priv->strategy); + + return FALSE; + } + + t = gdict_source_resolve_transport (transport); + g_free (transport); + + priv->context = gdict_source_create_context (source, t, &parse_error); + if (parse_error) + { + g_propagate_error (error, parse_error); + + g_key_file_free (priv->keyfile); + priv->keyfile = NULL; + + g_free (priv->name); + g_free (priv->description); + g_free (priv->database); + g_free (priv->strategy); + + return FALSE; + } + + return TRUE; +} + +/** + * gdict_source_load_from_file: + * @source: an empty #GdictSource + * @filename: path to a dictionary source file + * @error: return location for a #GError or %NULL + * + * Loads a dictionary source definition file into an empty #GdictSource + * object. + * + * Return value: %TRUE if @filename was loaded successfully. + * + * Since: 1.0 + */ +gboolean +gdict_source_load_from_file (GdictSource *source, + const gchar *filename, + GError **error) +{ + GdictSourcePrivate *priv; + GError *read_error; + GError *parse_error; + + g_return_val_if_fail (GDICT_IS_SOURCE (source), FALSE); + g_return_val_if_fail (filename != NULL, FALSE); + + priv = source->priv; + + if (!priv->keyfile) + priv->keyfile = g_key_file_new (); + + read_error = NULL; + g_key_file_load_from_file (priv->keyfile, + filename, + G_KEY_FILE_KEEP_TRANSLATIONS, + &read_error); + if (read_error) + { + g_propagate_error (error, read_error); + + return FALSE; + } + + parse_error = NULL; + gdict_source_parse (source, &parse_error); + if (parse_error) + { + g_propagate_error (error, parse_error); + + return FALSE; + } + + g_assert (priv->context != NULL); + + priv->filename = g_strdup (filename); + + return TRUE; +} + +/** + * gdict_source_load_from_data: + * @source: a #GdictSource + * @data: string containing a dictionary source + * @length: length of @data + * @error: return location for a #GError or %NULL + * + * Loads a dictionary source definition from @data inside an empty + * #GdictSource object. + * + * Return value: %TRUE if @filename was loaded successfully. + * + * Since: 1.0 + */ +gboolean +gdict_source_load_from_data (GdictSource *source, + const gchar *data, + gsize length, + GError **error) +{ + GdictSourcePrivate *priv; + GError *read_error; + GError *parse_error; + + g_return_val_if_fail (GDICT_IS_SOURCE (source), FALSE); + g_return_val_if_fail (data != NULL, FALSE); + + priv = source->priv; + + if (!priv->keyfile) + priv->keyfile = g_key_file_new (); + + read_error = NULL; + g_key_file_load_from_data (priv->keyfile, + data, + length, + G_KEY_FILE_KEEP_TRANSLATIONS, + &read_error); + if (read_error) + { + g_propagate_error (error, read_error); + + return FALSE; + } + + parse_error = NULL; + gdict_source_parse (source, &parse_error); + if (parse_error) + { + g_propagate_error (error, parse_error); + + return FALSE; + } + + g_assert (priv->context != NULL); + + g_free (priv->filename); + priv->filename = NULL; + + return TRUE; +} + +/** + * gdict_source_to_data: + * @source: a #GdictSource + * @length: return loaction for the length of the string, or %NULL + * @error: return location for a #GError or %NULL + * + * Outputs a dictionary source as a string. + * + * Return value: a newly allocated string holding the contents of @source. + * + * Since: 1.0 + */ +gchar * +gdict_source_to_data (GdictSource *source, + gsize *length, + GError **error) +{ + GdictSourcePrivate *priv; + gchar *retval = NULL; + + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + priv = source->priv; + + if (!priv->name) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_INVALID_NAME, + _("Dictionary source does not have name")); + + return NULL; + } + + if (!IS_VALID_TRANSPORT (priv->transport)) + { + g_set_error (error, GDICT_SOURCE_ERROR, + GDICT_SOURCE_ERROR_INVALID_TRANSPORT, + _("Dictionary source '%s' has invalid transport '%s'"), + priv->name, + valid_transports[priv->transport]); + + return NULL; + } + + if (priv->keyfile) + { + GError *write_error = NULL; + + retval = g_key_file_to_data (priv->keyfile, + length, + &write_error); + if (write_error) + g_propagate_error (error, write_error); + } + + return retval; +} + +/** + * gdict_source_set_name: + * @source: a #GdictSource + * @name: the UTF8-encoded name of the dictionary source + * + * Sets @name as the displayable name of the dictionary source. + * + * Since: 1.0 + */ +void +gdict_source_set_name (GdictSource *source, + const gchar *name) +{ + g_return_if_fail (GDICT_IS_SOURCE (source)); + g_return_if_fail (name != NULL); + + g_free (source->priv->name); + source->priv->name = g_strdup (name); + + if (!source->priv->keyfile) + source->priv->keyfile = g_key_file_new (); + + g_key_file_set_string (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_NAME, + name); +} + +/** + * gdict_source_get_name: + * @source: a #GdictSource + * + * Retrieves the name of @source. + * + * Return value: the name of a #GdictSource. The returned string is owned + * by the #GdictSource object, and should not be modified or freed. + * + * Since: 1.0 + */ +const gchar * +gdict_source_get_name (GdictSource *source) +{ + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + return source->priv->name; +} + +/** + * gdict_source_set_description: + * @source: a #GdictSource + * @description: a UTF-8 encoded description or %NULL + * + * Sets the description of @source. If @description is %NULL, unsets the + * currently set description. + * + * Since: 1.0 + */ +void +gdict_source_set_description (GdictSource *source, + const gchar *description) +{ + g_return_if_fail (GDICT_IS_SOURCE (source)); + + g_free (source->priv->description); + + if (!source->priv->keyfile) + source->priv->keyfile = g_key_file_new (); + + if (description && description[0] != '\0') + { + source->priv->description = g_strdup (description); + + g_key_file_set_string (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DESCRIPTION, + description); + } + else + { + if (g_key_file_has_key (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DESCRIPTION, + NULL)) + g_key_file_remove_key (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DESCRIPTION, + NULL); + } +} + +/** + * gdict_source_get_description: + * @source: a #GdictSource + * + * Retrieves the description of @source. + * + * Return value: the description of a #GdictSource. The returned string is + * owned by the #GdictSource object, and should not be modified or freed. + * + * Since: 1.0 + */ +const gchar * +gdict_source_get_description (GdictSource *source) +{ + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + return source->priv->description; +} + +/** + * gdict_source_set_database: + * @source: a #GdictSource + * @database: a UTF-8 encoded database name or %NULL + * + * Sets the default database of @source. If @database is %NULL, unsets the + * currently set database. + * + * Since: 1.0 + */ +void +gdict_source_set_database (GdictSource *source, + const gchar *database) +{ + g_return_if_fail (GDICT_IS_SOURCE (source)); + + g_free (source->priv->database); + + if (!source->priv->keyfile) + source->priv->keyfile = g_key_file_new (); + + if (database && database[0] != '\0') + { + source->priv->database = g_strdup (database); + + g_key_file_set_string (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DATABASE, + database); + } + else + { + if (g_key_file_has_key (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DATABASE, + NULL)) + g_key_file_remove_key (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_DATABASE, + NULL); + } +} + +/** + * gdict_source_get_database: + * @source: a #GdictSource + * + * Retrieves the default database of @source. + * + * Return value: the default strategy of a #GdictSource. The returned string + * is owned by the #GdictSource object, and should not be modified or freed. + * + * Since: 1.0 + */ +const gchar * +gdict_source_get_database (GdictSource *source) +{ + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + return source->priv->database; +} + +/** + * gdict_source_set_strategy: + * @source: a #GdictSource + * @strategy: a UTF-8 encoded strategy or %NULL + * + * Sets the description of @source. If @strategy is %NULL, unsets the + * currently set strategy. + * + * Since: 1.0 + */ +void +gdict_source_set_strategy (GdictSource *source, + const gchar *strategy) +{ + g_return_if_fail (GDICT_IS_SOURCE (source)); + + g_free (source->priv->strategy); + + if (!source->priv->keyfile) + source->priv->keyfile = g_key_file_new (); + + if (strategy && strategy[0] != '\0') + { + source->priv->strategy = g_strdup (strategy); + + g_key_file_set_string (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_STRATEGY, + strategy); + } + else + { + if (g_key_file_has_key (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_STRATEGY, + NULL)) + g_key_file_remove_key (source->priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_STRATEGY, + NULL); + } +} + +/** + * gdict_source_get_strategy: + * @source: a #GdictSource + * + * Retrieves the default strategy of @source. + * + * Return value: the default strategy of a #GdictSource. The returned string + * is owned by the #GdictSource object, and should not be modified or freed. + * + * Since: 1.0 + */ +const gchar * +gdict_source_get_strategy (GdictSource *source) +{ + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + return source->priv->strategy; +} + +/** + * gdict_source_set_transportv + * @source: a #GdictSource + * @transport: a #GdictSourceTransport + * @first_transport_property: FIXME + * @var_args: FIXME + * + * FIXME + * + * Since: 1.0 + */ +void +gdict_source_set_transportv (GdictSource *source, + GdictSourceTransport transport, + const gchar *first_transport_property, + va_list var_args) +{ + GdictSourcePrivate *priv; + + g_return_if_fail (GDICT_IS_SOURCE (source)); + g_return_if_fail (IS_VALID_TRANSPORT (transport)); + + priv = source->priv; + + priv->transport = transport; + + if (priv->context) + g_object_unref (priv->context); + + switch (priv->transport) + { + case GDICT_SOURCE_TRANSPORT_DICTD: + priv->context = gdict_client_context_new (NULL, -1); + g_assert (GDICT_IS_CLIENT_CONTEXT (priv->context)); + + g_object_set_valist (G_OBJECT (priv->context), + first_transport_property, + var_args); + + break; + case GDICT_SOURCE_TRANSPORT_INVALID: + default: + g_assert_not_reached (); + break; + } + + /* update the keyfile */ + if (!priv->keyfile) + priv->keyfile = g_key_file_new (); + + g_key_file_set_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_TRANSPORT, + valid_transports[transport]); + + switch (priv->transport) + { + case GDICT_SOURCE_TRANSPORT_DICTD: + g_key_file_set_string (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_HOSTNAME, + gdict_client_context_get_hostname (GDICT_CLIENT_CONTEXT (priv->context))); + g_key_file_set_integer (priv->keyfile, + SOURCE_GROUP, + SOURCE_KEY_PORT, + gdict_client_context_get_port (GDICT_CLIENT_CONTEXT (priv->context))); + break; + case GDICT_SOURCE_TRANSPORT_INVALID: + default: + g_assert_not_reached (); + break; + } +} + +/** + * gdict_source_set_transport: + * @source: a #GdictSource + * @transport: a valid transport + * @first_transport_property: property for the context bound to + * the transport, or %NULL + * @Varargs: property value for first property name, then additionary + * properties, ending with %NULL + * + * Sets @transport as the choosen transport for @source. The @transport + * argument is a method of retrieving dictionary data from a source; it is + * used to create the right #GdictContext for this #GdictSource. After + * @transport, property name/value pairs should be listed, with a %NULL + * pointer ending the list. Properties are the same passed to a #GdictContext + * implementation instance using g_object_set(). + * + * Here's a simple example: + * + * <informalexample><programlisting> + * #include <gdict/gdict.h> + * GdictSource *source = gdict_source_new (); + * + * gdict_source_set_name (source, "My Source"); + * gdict_source_set_transport (source, GDICT_SOURCE_TRANSPORT_DICTD, + * "hostname", "dictionary-server.org", + * "port", 2628, + * NULL); + * </programlisting></informalexample> + * + * Since: 1.0 + */ +void +gdict_source_set_transport (GdictSource *source, + GdictSourceTransport transport, + const gchar *first_transport_property, + ...) +{ + va_list args; + + g_return_if_fail (GDICT_IS_SOURCE (source)); + g_return_if_fail (IS_VALID_TRANSPORT (transport)); + + va_start (args, first_transport_property); + + gdict_source_set_transportv (source, transport, + first_transport_property, + args); + + va_end (args); +} + +/** + * gdict_source_get_transport: + * @source: a #GdictSource + * + * FIXME + * + * Return value: FIXME + * + * Since: 1.0 + */ +GdictSourceTransport +gdict_source_get_transport (GdictSource *source) +{ + g_return_val_if_fail (GDICT_IS_SOURCE (source), GDICT_SOURCE_TRANSPORT_INVALID); + + return source->priv->transport; +} + +/** + * gdict_source_get_context: + * @source: a #GdictSource + * + * Gets the #GdictContext bound to @source. + * + * Return value: a #GdictContext for @source. Use g_object_unref() + * when you don't need it anymore. + * + * Since: 1.0 + */ +GdictContext * +gdict_source_get_context (GdictSource *source) +{ + GdictContext *retval; + + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + retval = gdict_source_create_context (source, + source->priv->transport, + NULL); + + return retval; +} + +/** + * gdict_source_peek_context: + * @source: a #GdictSource + * + * Gets the #GdictContext bound to @source. The returned object is a + * referenced copy of the context held by @source; if you want a different + * instance, use gdict_source_get_context(). + * + * Return value: a referenced #GdictContext. Use g_object_unref() when + * finished using it. + * + * Since: 1.0 + */ +GdictContext * +gdict_source_peek_context (GdictSource *source) +{ + g_return_val_if_fail (GDICT_IS_SOURCE (source), NULL); + + if (!source->priv->context) + source->priv->context = gdict_source_create_context (source, + source->priv->transport, + NULL); + return g_object_ref (source->priv->context); +} |