Add new module lasso_registry, to handle mapping from XML tag to GObject
classes.
This commit is contained in:
parent
68b0b87602
commit
24f3e9cdd5
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@ -15,10 +15,11 @@ lasso.rc.lo: $(top_srcdir)/win32/lasso.rc
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lib_LTLIBRARIES = liblasso.la
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liblassoinclude_HEADERS = export.h lasso.h lasso_config.h errors.h
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liblassoinclude_HEADERS = export.h lasso.h lasso_config.h errors.h \
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registry.h
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BUILT_SOURCES = types.c errors.c symbols.sym
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liblasso_la_SOURCES = lasso.c errors.c
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liblasso_la_SOURCES = lasso.c errors.c registry.c
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if WSF_ENABLED
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SYMBOLS_ARGS = -wsf
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@ -37,7 +38,8 @@ MAINTAINERCLEANFILES = \
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clean-local:
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-rm types.c symbols.sym errors.c
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EXTRA_DIST = utils.h extract_types.py extract_symbols.py build_strerror.py
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EXTRA_DIST = utils.h extract_types.py extract_symbols.py build_strerror.py \
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registry-private.h
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if WSF_ENABLED
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WSF_LIB_FILE = $(top_builddir)/lasso/id-wsf/liblasso-id-wsf.la
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@ -0,0 +1,51 @@
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/* $Id$
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*
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* Lasso - A free implementation of the Liberty Alliance specifications.
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*
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* Copyright (C) 2004-2007 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __REGISTRY_PRIVATE_H__
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#define __REGISTRY_PRIVATE_H__
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#include "registry.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct _LassoRegistry LassoRegistry;
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struct _LassoRegistry {
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GHashTable *hash_map;
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};
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LassoRegistry *lasso_registry_new();
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gint lasso_registry_add_mapping(LassoRegistry *registry, const char *from_namespace,
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const char *from_name, const char *to_namespace, const char *to_name);
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const char* lasso_registry_get_mapping(LassoRegistry *registry, const char *from_namespace,
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const char *from_name, const char *to_namespace);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __REGISTRY_PRIVATE_H__ */
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@ -0,0 +1,206 @@
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/* $Id$
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*
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* Lasso - A free implementation of the Liberty Alliance specifications.
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*
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* Copyright (C) 2004-2007 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <glib.h>
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#include "registry-private.h"
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/**
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* SECTION:registry
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* @short_description: Class to store a mapping of QName to other QName.
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*
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* This object implement a function of (namespace, name, namespace) -> namespace.
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* For the moment there is no need to enumerate all (namespace, name) pair given
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* a base pair (i.e. a function (namespace, name) -> [(namespace,name)].
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*
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* A QName is a name qualified by a namespace.
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*
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* For internal use inside lasso we define the following namespace:
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* http://lasso.entrouvert.org/ns/GObject,
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* http://lasso.entrouvert.org/ns/python.
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*/
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typedef struct _LassoRegistryRecord LassoRegistryRecord;
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struct _LassoRegistryRecord {
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GQuark from_namespace;
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GQuark from_name;
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GQuark to_namespace;
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GQuark to_name;
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};
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static LassoRegistry *lasso_registry_get_default() {
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static LassoRegistry *default_registry = NULL;
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if (default_registry == NULL) {
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default_registry = lasso_registry_new();
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}
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return default_registry;
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}
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/**
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* lasso_registry_record_equal:
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* @record1: left record
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* @record2: right record
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*
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* Tests if two #LassoRegistryRecord are equal.
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*
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* Return value: TRUE if all field of record1 are equal to record2.
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*/
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gboolean lasso_registry_record_equal(LassoRegistryRecord *record1, LassoRegistryRecord *record2)
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{
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return record1->from_namespace == record2->from_namespace
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&& record1->from_name == record2->from_name
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&& record1->to_namespace == record2->to_namespace;
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}
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/**
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* lasso_registry_record_hash:
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* @record: a #LassoRegistryRecord structure
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*
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* Return a hash value obtained from the three first fields of a
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* #LassoRecordRegistry structure.
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*
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* Return value: an integer hash for the record.
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*/
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guint lasso_registry_record_hash(LassoRegistryRecord *record)
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{
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return g_direct_hash((void*)(record->from_namespace
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^ record->from_name
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^ record->to_namespace));
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}
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/**
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* lasso_registry_new:
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*
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* Allocate a new #LassoRegistry structure and initialize its fields.
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*
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* Return value: a newly allocated #LassoRegistry object.
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*/
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LassoRegistry *lasso_registry_new()
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{
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LassoRegistry *ret = g_new0(LassoRegistry, 1);
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ret->hash_map = g_hash_table_new((GHashFunc) lasso_registry_record_hash, (GEqualFunc) lasso_registry_record_equal);
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return ret;
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}
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/**
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* lasso_regsitry_get_mapping:
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*
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* Retrieve the mapping of a QName into another namespace, i.e. to another
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* QName.
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*
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* Return value: a constant string of NULL if no mapping exist.
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*/
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const char* lasso_registry_get_mapping(LassoRegistry *registry, const char *from_namespace,
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const char *from_name, const char *to_namespace)
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{
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LassoRegistryRecord record;
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LassoRegistryRecord *found;
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record.from_namespace = g_quark_from_string(from_namespace);
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record.from_name = g_quark_from_string(from_name);
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record.to_namespace = g_quark_from_string(to_namespace);
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found = g_hash_table_lookup(registry->hash_map, &record);
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if (found) {
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return g_quark_to_string(found->to_name);
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} else {
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return NULL;
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}
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}
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/**
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* lasso_registry_add_mapping:
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*
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* Add a new mapping from a QName to a QName.
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*
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* Return value: 0 if successfull, -1 if it already exists, -2 if arguments
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* are invalid.
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*/
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gint lasso_registry_add_mapping(LassoRegistry *registry, const char *from_namespace,
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const char *from_name, const char *to_namespace, const char *to_name)
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{
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LassoRegistryRecord *a_record;
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g_return_val_if_fail(registry && from_namespace && from_name && to_namespace && to_name, -2);
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if (! lasso_registry_get_mapping(registry, from_namespace, from_name, to_namespace)) {
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a_record = g_new0(LassoRegistryRecord, 1);
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a_record->from_namespace = g_quark_from_string(from_namespace);
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a_record->from_name = g_quark_from_string(from_name);
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a_record->to_namespace = g_quark_from_string(to_namespace);
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a_record->to_name = g_quark_from_string(to_name);
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g_hash_table_insert(registry->hash_map, a_record, a_record);
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return 0;
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}
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return -1;
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}
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/**
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* lasso_registry_default_add_mapping:
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* @from_namespace: the namespace of the mapped QName
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* @from_name: the name of the mapped QName
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* @to_namespace: the namepsace of the mapped to QName
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* @to_name: the name of the mapped to QName
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*
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* Add a new mapping from a QName to a QName.
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*
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* Return value: 0 if successfull, -1 if it already exists, -2 if arguments
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* are invalid.
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*/
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gint lasso_registry_default_add_mapping(const char *from_namespace,
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const char *from_name, const char *to_namespace, const char *to_name)
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{
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LassoRegistry *default_registry = lasso_registry_get_default();
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return lasso_registry_add_mapping(default_registry, from_namespace, from_name, to_namespace, to_name);
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}
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/**
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* lasso_registry_default_get_mapping:
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* @from_namespace: the namespace of the mapped QName
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* @from_name: the name of the mapped QName
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* @to_namespace: the namepsace of the mapped to QName
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*
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* Retrieve the name of the QName in the namespace to_namespace that maps the
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* QName from_namespace:from_name.
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*
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* Return value: the name string of the QName or NULL if no mapping exists.
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*/
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const char* lasso_registry_default_get_mapping(const char *from_namespace,
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const char *from_name, const char *to_namespace)
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{
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LassoRegistry *default_registry = lasso_registry_get_default();
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return lasso_registry_get_mapping(default_registry, from_namespace, from_name, to_namespace);
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}
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@ -0,0 +1,49 @@
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/* $Id$
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*
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* Lasso - A free implementation of the Liberty Alliance specifications.
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*
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* Copyright (C) 2004-2007 Entr'ouvert
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* http://lasso.entrouvert.org
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*
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* Authors: See AUTHORS file in top-level directory.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __REGISTRY_H__
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#define __REGISTRY_H__
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#include <glib.h>
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#include <lasso/lasso.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define LASSO_GOBJECT_NAMESPACE "http://lasso.entrouvert.org/ns/GObject"
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#define LASSO_PYTHON_NAMESPACE "http://lasso.entrouvert.org/ns/python"
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LASSO_EXPORT gint lasso_registry_default_add_mapping(const char *from_namespace,
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const char *from_name, const char *to_namespace, const char *to_name);
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LASSO_EXPORT const char* lasso_registry_default_get_mapping(const char *from_namespace,
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const char *from_name, const char *to_namespace);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __REGISTRY_H__ */
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