/** * Navit, a modular navigation system. * Copyright (C) 2005-2008 Navit Team * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public License * version 2 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 Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef NAVIT_XMLCONFIG_H #define NAVIT_XMLCONFIG_H #ifdef __cplusplus extern "C" { #endif #include "config.h" #ifndef USE_EZXML #ifdef HAVE_GLIB #define USE_EZXML 0 #else #define USE_EZXML 1 #endif #endif #if !USE_EZXML #define XML_ATTR_DISTANCE 1 typedef GMarkupParseContext xml_context; #else #include "ezxml.h" #define XML_ATTR_DISTANCE 2 #undef G_MARKUP_ERROR #undef G_MARKUP_ERROR_INVALID_CONTENT #undef G_MARKUP_ERROR_PARSE #undef G_MARKUP_ERROR_UNKNOWN_ELEMENT #define G_MARKUP_ERROR 0 #define G_MARKUP_ERROR_INVALID_CONTENT 0 #define G_MARKUP_ERROR_PARSE 0 #define G_MARKUP_ERROR_UNKNOWN_ELEMENT 0 typedef void * xml_context; #endif typedef void *(*object_func_new)(struct attr *parent, struct attr **attrs); typedef int (*object_func_get_attr)(void *, enum attr_type type, struct attr *attr, struct attr_iter *iter); typedef struct attr_iter *(*object_func_iter_new)(void *); typedef void (*object_func_iter_destroy)(struct attr_iter *); typedef int (*object_func_set_attr)(void *, struct attr *attr); typedef int (*object_func_add_attr)(void *, struct attr *attr); typedef int (*object_func_remove_attr)(void *, struct attr *attr); typedef int (*object_func_init)(void *); typedef void (*object_func_destroy)(void *); typedef void *(*object_func_dup)(void *); typedef void *(*object_func_ref)(void *); typedef void *(*object_func_unref)(void *); /** * @brief Basic functions for Navit objects * * This is the minimal list of functions which is supported by every Navit object. * * Some members can be NULL for certain object types: while Navit does not mandate this function to be * implemented for every object class, the function may need to be defined for some object classes. * * Default implementations are available for every function in the list except `create`, `init` and * `dup`. These can be set directly, or type-specific implementations can call through to them as they * see fit. */ struct object_func { enum attr_type type; /**< The object type */ void *(*create)(struct attr *parent, struct attr **attrs); /**< Function to create a new object instance */ int (*get_attr)(void *, enum attr_type type, struct attr *attr, struct attr_iter *iter); /**< Function * to get an attribute of the object, * set to `navit_object_get_attr` for default behavior */ struct attr_iter *(*iter_new)(void *); /**< Function to obtain a new attribute iterator, * set to `navit_object_attr_iter_new` for default * behavior, can be NULL for some object types */ void (*iter_destroy)(struct attr_iter *); /**< Function to destroy an attribute iterator, * set to `navit_object_attr_iter_destroy` for default * behavior, can be NULL for some object types */ int (*set_attr)(void *, struct attr *attr); /**< Function to set an attribute, * set to `navit_object_set_attr` for default behavior, * can be NULL for some object types */ int (*add_attr)(void *, struct attr *attr); /**< Function to add an attribute, * set to `navit_object_add_attr` for default behavior, * can be NULL for some object types */ int (*remove_attr)(void *, struct attr *attr); /**< Function to remove an attribute, * set to `navit_object_remove_attr` for default behavior, * can be NULL for some object types */ int (*init)(void *); /**< TODO, * can be NULL for some object types */ void (*destroy)(void *); /**< Function to destroy an object instance, * set to `navit_object_destroy` for default behavior, * can be NULL */ void *(*dup)(void *); /**< Function to create a copy of an object instance */ void *(*ref)(void *); /**< Function to increase the reference count for an * object instance, set to `navit_object_ref` for * default behavior, can be NULL for some object types */ void *(*unref)(void *); /**< Function to decrease the reference count for an * object instance, set to `navit_object_unref` for * default behavior, can be NULL for some object types */ }; extern struct object_func map_func, mapset_func, navit_func, osd_func, tracking_func, vehicle_func, maps_func, layout_func, roadprofile_func, vehicleprofile_func, layer_func, config_func, profile_option_func, script_func, log_func, speech_func, navigation_func, route_func, traffic_func; #define HAS_OBJECT_FUNC(x) ((x) == attr_map || (x) == attr_mapset || (x) == attr_navit || (x) == attr_osd || (x) == attr_trackingo || (x) == attr_vehicle || (x) == attr_maps || (x) == attr_layout || (x) == attr_roadprofile || (x) == attr_vehicleprofile || (x) == attr_layer || (x) == attr_config || (x) == attr_profile_option || (x) == attr_script || (x) == attr_log || (x) == attr_speech || (x) == attr_navigation || (x) == attr_route || (x) == attr_traffic) #define NAVIT_OBJECT struct object_func *func; int refcount; struct attr **attrs; struct navit_object { NAVIT_OBJECT }; int navit_object_set_methods(void *in, int in_size, void *out, int out_size); struct navit_object *navit_object_new(struct attr **attrs, struct object_func *func, int size); struct navit_object *navit_object_ref(struct navit_object *obj); void* navit_object_unref(struct navit_object *obj); struct attr_iter * navit_object_attr_iter_new(void * unused); void navit_object_attr_iter_destroy(struct attr_iter *iter); int navit_object_get_attr(struct navit_object *obj, enum attr_type type, struct attr *attr, struct attr_iter *iter); void navit_object_callbacks(struct navit_object *obj, struct attr *attr); int navit_object_set_attr(struct navit_object *obj, struct attr *attr); int navit_object_add_attr(struct navit_object *obj, struct attr *attr); int navit_object_remove_attr(struct navit_object *obj, struct attr *attr); void navit_object_destroy(struct navit_object *obj); typedef GError xmlerror; /* prototypes */ enum attr_type; struct object_func *object_func_lookup(enum attr_type type); int xml_parse_file(char *filename, void *data, void (*start)(xml_context *, const char *, const char **, const char **, void *, GError **), void (*end)(xml_context *, const char *, void *, GError **), void (*text)(xml_context *, const char *, gsize, void *, GError **)); int xml_parse_text(const char *document, void *data, void (*start)(xml_context *, const char *, const char **, const char **, void *, GError **), void (*end)(xml_context *, const char *, void *, GError **), void (*text)(xml_context*, const char *, gsize, void *, GError **)); gboolean config_load(const char *filename, xmlerror **error); //static void xinclude(GMarkupParseContext *context, const gchar **attribute_names, const gchar **attribute_values, struct xmldocument *doc_old, xmlerror **error); /* end of prototypes */ #ifdef __cplusplus } #endif #endif