item.h

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#ifndef NAVIT_ITEM_H
#define NAVIT_ITEM_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdio.h>
 
enum item_type {
#define ITEM2(x,y) type_##y=x,
#define ITEM(x) type_##x,
#include "item_def.h"
#undef ITEM2
#undef ITEM
};
 
#define route_item_first type_street_0
#define route_item_last type_street_parking_lane
extern int default_flags[];
 
#include "attr.h"
 
 
/* NOTE: we treat districts as towns for now, since
   a) navit does not implement district search yet
   b) OSM "place=suburb" maps to type_district in maptool. with the OSM USA maps,
      there are many "suburbs" that users will consider towns (not districts/counties);
      we want navit's town search to find them
*/
#define item_type_is_area(type) ((type) >= type_area)
#define item_is_town(item) ((item).type >= type_town_label && (item).type <= type_district_label_1e7)
#define item_is_district(item) ((item).type >= type_district_label && (item).type <= type_district_label_1e7)
#define item_is_poly_place(item) ((item).type >= type_poly_place1 && (item).type <= type_poly_place6)
#define item_is_point(item) ((item).type < type_line)
#define item_is_custom_poi(item) ((item).type >= type_poi_customg && (item).type < type_line)
#define item_is_street(item) (((item).type >= type_street_nopass && (item).type <= type_roundabout) \
                               ||  (item).type == type_street_service \
                               || ((item).type >= type_street_pedestrian && (item).type <= type_track_grass) \
                               ||  (item).type == type_living_street  \
                               ||  (item).type == type_street_construction  \
                               ||  (item).type == type_path \
                               ||  (item).type == type_street_parking_lane \
                               ||  (item).type == type_footway )
 
#define item_is_equal_id(a,b) ((a).id_hi == (b).id_hi && (a).id_lo == (b).id_lo)
#define item_is_equal(a,b) (item_is_equal_id(a,b) && (a).map == (b).map)
 
struct coord;
 
enum change_mode {
    change_mode_delete,
    change_mode_modify,
    change_mode_append,
    change_mode_prepend,
};
 
struct item_methods {
    void (*item_coord_rewind)(void *priv_data);
    int (*item_coord_get)(void *priv_data, struct coord *c, int count);
    void (*item_attr_rewind)(void *priv_data);
    int (*item_attr_get)(void *priv_data, enum attr_type attr_type, struct attr *attr);
    int (*item_coord_is_node)(void *priv_data);
    int (*item_attr_set)(void *priv_data, struct attr *attr, enum change_mode mode);
    int (*item_coord_set)(void *priv_data, struct coord *c, int count, enum change_mode mode);
    int (*item_type_set)(void *priv_data, enum item_type type);
    int (*item_coords_left)(void *priv_data);
};
 
struct item_id {
    int id_hi;
    int id_lo;
};
 
#define ITEM_ID_FMT "(0x%x,0x%x)"
#define ITEM_ID_ARGS(x) (x).id_hi,(x).id_lo
 
struct item {
    enum item_type type; 
    int id_hi;  
    int id_lo; 
    struct map *map; 
    struct item_methods *meth; 
    void *priv_data; 
};
 
extern struct item_range {
    enum item_type min,max;
} item_range_all;
 
extern struct item busy_item;
 
/* prototypes */
enum attr_type;
enum change_mode;
enum item_type;
enum projection;
struct attr;
struct coord;
struct item;
struct item_hash;
struct item_range;
struct map;
struct map_selection;
void item_create_hash(void);
void item_destroy_hash(void);
int *item_get_default_flags(enum item_type type);
void item_coord_rewind(struct item *it);
int item_coords_left(struct item * it);
int item_coord_get(struct item *it, struct coord *c, int count);
int item_coord_set(struct item *it, struct coord *c, int count, enum change_mode mode);
int item_coord_get_within_selection(struct item *it, struct coord *c, int count, struct map_selection *sel);
int item_coord_get_within_range(struct item *i, struct coord *c, int max, struct coord *start, struct coord *end);
int item_coord_get_pro(struct item *it, struct coord *c, int count, enum projection to);
int item_coord_is_node(struct item *it);
void item_attr_rewind(struct item *it);
int item_attr_get(struct item *it, enum attr_type attr_type, struct attr *attr);
int item_attr_set(struct item *it, struct attr *attr, enum change_mode mode);
int item_type_set(struct item *it, enum item_type type);
struct item *item_new(char *type, int zoom);
enum item_type item_from_name(const char *name);
char *item_to_name(enum item_type item);
unsigned int item_id_hash(const void *key);
int item_id_equal(const void *a, const void *b);
void item_id_from_ptr(struct item *item, void *id);
struct item_hash *item_hash_new(void);
void item_hash_insert(struct item_hash *h, struct item *item, void *val);
int item_hash_remove(struct item_hash *h, struct item *item);
void *item_hash_lookup(struct item_hash *h, struct item *item);
void item_hash_destroy(struct item_hash *h);
int item_range_intersects_range(struct item_range *range1, struct item_range *range2);
int item_range_contains_item(struct item_range *range, enum item_type type);
void item_dump_attr(struct item *item, struct map *map, FILE *out);
void item_dump_filedesc(struct item *item, struct map *map, FILE *out);
void item_cleanup(void);
 
/* end of prototypes */
 
 
#ifdef __cplusplus
}
/* __cplusplus */
#endif
 
/* NAVIT_ITEM_H */
#endif