1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
|
/**
* 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 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 General Public License for more details.
* You should have received a copy of the GNU 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.
*/
#include <stdlib.h>
#include <glib.h>
#include <string.h>
#include <math.h>
#include "debug.h"
#include "projection.h"
#include "item.h"
#include "xmlconfig.h"
#include "map.h"
#include "mapset.h"
#include "coord.h"
#include "transform.h"
#include "search.h"
#include "country.h"
#include "linguistics.h"
#include "geom.h"
#include "util.h"
#include "search_houseno_interpol.h"
struct hn_interpol_attr {
enum attr_type house_number_interpol_attr;
int interpol_increment;
enum include_end_nodes include_end_nodes;
};
#define house_number_interpol_attr_END -1
/**
* Attributes that indicate a house number interpolation,
* along with interpolation information.
*/
struct hn_interpol_attr house_number_interpol_attrs[] = {
{ attr_house_number_left, 1, end_nodes_yes },
{ attr_house_number_left_odd, 2, end_nodes_yes },
{ attr_house_number_left_even, 2, end_nodes_yes },
{ attr_house_number_right, 1, end_nodes_yes },
{ attr_house_number_right_odd, 2, end_nodes_yes },
{ attr_house_number_right_even, 2, end_nodes_yes },
{ attr_house_number_interpolation_no_ends_incrmt_1, 1, end_nodes_no },
{ attr_house_number_interpolation_no_ends_incrmt_2, 2, end_nodes_no },
{ house_number_interpol_attr_END, -1, -1 },
};
void
house_number_interpolation_clear_current(struct house_number_interpolation *inter)
{
g_free(inter->first);
g_free(inter->last);
g_free(inter->curr);
inter->first=inter->last=inter->curr=NULL;
inter->increment=inter->include_end_nodes=-1;
}
void
house_number_interpolation_clear_all(struct house_number_interpolation *inter)
{
inter->curr_interpol_attr_idx=0;
house_number_interpolation_clear_current(inter);
}
static char *
search_next_house_number_curr_interpol_with_ends(struct house_number_interpolation *inter)
{
dbg(1,"interpolate %s-%s %s\n",inter->first,inter->last,inter->curr);
if (!inter->first || !inter->last)
return NULL;
if (!inter->curr)
inter->curr=g_strdup(inter->first);
else {
if (strcmp(inter->curr, inter->last)) {
int next=atoi(inter->curr)+(inter->increment);
g_free(inter->curr);
if (next == atoi(inter->last))
inter->curr=g_strdup(inter->last);
else
inter->curr=g_strdup_printf("%d",next);
} else {
g_free(inter->curr);
inter->curr=NULL;
}
}
dbg(1,"interpolate result %s\n",inter->curr);
return inter->curr;
}
static int
house_number_is_end_number(char* house_number, struct house_number_interpolation *inter) {
return ( (!strcmp(house_number, inter->first))
|| (!strcmp(house_number, inter->last)) );
}
static char *
search_next_house_number_curr_interpol(struct house_number_interpolation *inter)
{
char* hn=NULL;
switch (inter->include_end_nodes) {
case end_nodes_yes:
hn=search_next_house_number_curr_interpol_with_ends(inter);
break;
case end_nodes_no:
do {
hn=search_next_house_number_curr_interpol_with_ends(inter);
} while (hn!=NULL && house_number_is_end_number(hn, inter));
break;
}
return hn;
}
static void
search_house_number_interpolation_split(char *str, struct house_number_interpolation *inter)
{
char *pos=strchr(str,'-');
char *first,*last;
int len;
if (!pos) {
inter->first=g_strdup(str);
inter->last=g_strdup(str);
inter->rev=0;
return;
}
len=pos-str;
first=g_malloc(len+1);
strncpy(first, str, len);
first[len]='\0';
last=g_strdup(pos+1);
dbg(1,"%s = %s - %s\n",str, first, last);
if (atoi(first) > atoi(last)) {
inter->first=last;
inter->last=first;
inter->rev=1;
} else {
inter->first=first;
inter->last=last;
inter->rev=0;
}
}
struct pcoord *
search_house_number_coordinate(struct item *item, struct house_number_interpolation *inter)
{
struct pcoord *ret=g_new(struct pcoord, 1);
ret->pro = map_projection(item->map);
dbg(1,"%s\n",item_to_name(item->type));
if (!inter) {
struct coord c;
if (item_coord_get(item, &c, 1)) {
ret->x=c.x;
ret->y=c.y;
} else {
g_free(ret);
ret=NULL;
}
} else {
int count,max=1024;
int hn_pos,hn_length;
int inter_increment=inter->increment;
struct coord *c=g_alloca(sizeof(struct coord)*max);
item_coord_rewind(item);
count=item_coord_get(item, c, max);
hn_length=atoi(inter->last)-atoi(inter->first);
if (inter->rev)
hn_pos=atoi(inter->last)-atoi(inter->curr);
else
hn_pos=atoi(inter->curr)-atoi(inter->first);
if (count) {
int i,distance_sum=0,hn_distance;
int *distances=g_alloca(sizeof(int)*(count-1));
dbg(1,"count=%d hn_length=%d hn_pos=%d (%s of %s-%s)\n",count,hn_length,hn_pos,inter->curr,inter->first,inter->last);
if (!hn_length) {
hn_length=2;
hn_pos=1;
}
if (count == max)
dbg(0,"coordinate overflow\n");
for (i = 0 ; i < count-1 ; i++) {
distances[i]=navit_sqrt(transform_distance_sq(&c[i],&c[i+1]));
distance_sum+=distances[i];
dbg(1,"distance[%d]=%d\n",i,distances[i]);
}
dbg(1,"sum=%d\n",distance_sum);
#if 0
hn_distance=distance_sum*hn_pos/hn_length;
#else
hn_distance=(distance_sum*hn_pos+distance_sum*inter_increment/2)/(hn_length+inter_increment);
#endif
dbg(1,"hn_distance=%d\n",hn_distance);
i=0;
while (i < count-1 && hn_distance > distances[i])
hn_distance-=distances[i++];
dbg(1,"remaining distance=%d from %d\n",hn_distance,distances[i]);
ret->x=(c[i+1].x-c[i].x)*hn_distance/distances[i]+c[i].x;
ret->y=(c[i+1].y-c[i].y)*hn_distance/distances[i]+c[i].y;
}
}
return ret;
}
static int
search_match(char *str, char *search, int partial)
{
if (!partial)
return (!g_ascii_strcasecmp(str, search));
else
return (!g_ascii_strncasecmp(str, search, strlen(search)));
}
char *
search_next_interpolated_house_number(struct item *item, struct house_number_interpolation *inter, char *inter_match, int inter_partial)
{
while (1) {
char *hn;
struct attr attr;
struct hn_interpol_attr curr_interpol_attr;
while((hn=search_next_house_number_curr_interpol(inter))){
if (search_match(hn, inter_match, inter_partial)) {
return map_convert_string(item->map, hn);
}
}
house_number_interpolation_clear_current(inter);
curr_interpol_attr=house_number_interpol_attrs[inter->curr_interpol_attr_idx];
if (curr_interpol_attr.house_number_interpol_attr==house_number_interpol_attr_END) {
return NULL;
}
if (item_attr_get(item, curr_interpol_attr.house_number_interpol_attr, &attr)) {
search_house_number_interpolation_split(attr.u.str, inter);
inter->increment=curr_interpol_attr.interpol_increment;
inter->include_end_nodes=curr_interpol_attr.include_end_nodes;
}
inter->curr_interpol_attr_idx++;
}
}
|
