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369126f3 QT |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | * Created by Quy Tonthat <qtonthat@gmail.com> | |
21 | */ | |
4c77d5e0 GB |
22 | #ifdef HAVE_CONFIG_H |
23 | #include "config.h" | |
24 | #endif | |
369126f3 | 25 | #include <stdlib.h> |
8c060406 | 26 | #include <stdio.h> |
369126f3 | 27 | #include <string.h> |
8c060406 MA |
28 | #include <glib.h> |
29 | #include <glib/gstdio.h> | |
369126f3 | 30 | #include <glib/gprintf.h> |
4c77d5e0 | 31 | #include <glib/gi18n.h> |
369126f3 QT |
32 | |
33 | #include "viking.h" | |
ba4a5e11 | 34 | #include "util.h" |
369126f3 QT |
35 | #include "curl_download.h" |
36 | ||
7a5b9f80 GB |
37 | #include "googlesearch.h" |
38 | ||
34e71b99 GB |
39 | #define GOOGLE_GOTO_URL_FMT "http://maps.google.com/maps?q=%s&output=js" |
40 | #define GOOGLE_GOTO_PATTERN_1 "{center:{lat:" | |
41 | #define GOOGLE_GOTO_PATTERN_2 ",lng:" | |
42 | #define GOOGLE_GOTO_NOT_FOUND "not understand the location" | |
369126f3 | 43 | |
74fbca98 | 44 | static DownloadMapOptions googlesearch_options = { FALSE, FALSE, "http://maps.google.com/", 0, a_check_map_file }; |
a3188993 | 45 | |
34e71b99 GB |
46 | static void google_goto_tool_class_init ( GoogleGotoToolClass *klass ); |
47 | static void google_goto_tool_init ( GoogleGotoTool *vwd ); | |
369126f3 | 48 | |
34e71b99 | 49 | static void google_goto_tool_finalize ( GObject *gob ); |
369126f3 | 50 | |
0c6b26d3 | 51 | static gchar *google_goto_tool_get_url_format ( VikGotoTool *self ); |
b529dc9c | 52 | static DownloadMapOptions *google_goto_tool_get_download_options ( VikGotoTool *self ); |
0c6b26d3 | 53 | static gboolean google_goto_tool_parse_file_for_latlon(VikGotoTool *self, gchar *filename, struct LatLon *ll); |
369126f3 | 54 | |
34e71b99 | 55 | GType google_goto_tool_get_type() |
7a5b9f80 GB |
56 | { |
57 | static GType w_type = 0; | |
58 | ||
59 | if (!w_type) | |
60 | { | |
61 | static const GTypeInfo w_info = | |
62 | { | |
34e71b99 | 63 | sizeof (GoogleGotoToolClass), |
7a5b9f80 GB |
64 | NULL, /* base_init */ |
65 | NULL, /* base_finalize */ | |
34e71b99 | 66 | (GClassInitFunc) google_goto_tool_class_init, |
7a5b9f80 GB |
67 | NULL, /* class_finalize */ |
68 | NULL, /* class_data */ | |
34e71b99 | 69 | sizeof (GoogleGotoTool), |
7a5b9f80 | 70 | 0, |
34e71b99 | 71 | (GInstanceInitFunc) google_goto_tool_init, |
7a5b9f80 | 72 | }; |
34e71b99 | 73 | w_type = g_type_register_static ( VIK_GOTO_TOOL_TYPE, "GoogleGotoTool", &w_info, 0 ); |
7a5b9f80 | 74 | } |
369126f3 | 75 | |
7a5b9f80 | 76 | return w_type; |
369126f3 QT |
77 | } |
78 | ||
34e71b99 | 79 | static void google_goto_tool_class_init ( GoogleGotoToolClass *klass ) |
369126f3 | 80 | { |
7a5b9f80 | 81 | GObjectClass *object_class; |
34e71b99 | 82 | VikGotoToolClass *parent_class; |
369126f3 | 83 | |
7a5b9f80 | 84 | object_class = G_OBJECT_CLASS (klass); |
369126f3 | 85 | |
34e71b99 | 86 | object_class->finalize = google_goto_tool_finalize; |
369126f3 | 87 | |
34e71b99 | 88 | parent_class = VIK_GOTO_TOOL_CLASS (klass); |
369126f3 | 89 | |
0c6b26d3 GB |
90 | parent_class->get_url_format = google_goto_tool_get_url_format; |
91 | parent_class->get_download_options = google_goto_tool_get_download_options; | |
92 | parent_class->parse_file_for_latlon = google_goto_tool_parse_file_for_latlon; | |
7a5b9f80 | 93 | } |
369126f3 | 94 | |
34e71b99 | 95 | GoogleGotoTool *google_goto_tool_new () |
7a5b9f80 | 96 | { |
34e71b99 | 97 | return GOOGLE_GOTO_TOOL ( g_object_new ( GOOGLE_GOTO_TOOL_TYPE, "label", "Google", NULL ) ); |
7a5b9f80 | 98 | } |
369126f3 | 99 | |
34e71b99 | 100 | static void google_goto_tool_init ( GoogleGotoTool *vlp ) |
7a5b9f80 GB |
101 | { |
102 | } | |
369126f3 | 103 | |
34e71b99 | 104 | static void google_goto_tool_finalize ( GObject *gob ) |
7a5b9f80 GB |
105 | { |
106 | G_OBJECT_GET_CLASS(gob)->finalize(gob); | |
369126f3 QT |
107 | } |
108 | ||
0c6b26d3 | 109 | static gboolean google_goto_tool_parse_file_for_latlon(VikGotoTool *self, gchar *file_name, struct LatLon *ll) |
369126f3 QT |
110 | { |
111 | gchar *text, *pat; | |
112 | GMappedFile *mf; | |
113 | gsize len; | |
114 | gboolean found = TRUE; | |
115 | gchar lat_buf[32], lon_buf[32]; | |
116 | gchar *s; | |
117 | ||
369126f3 QT |
118 | lat_buf[0] = lon_buf[0] = '\0'; |
119 | ||
120 | if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) { | |
4258f4e2 | 121 | g_critical(_("couldn't map temp file")); |
369126f3 QT |
122 | exit(1); |
123 | } | |
124 | len = g_mapped_file_get_length(mf); | |
125 | text = g_mapped_file_get_contents(mf); | |
126 | ||
34e71b99 | 127 | if (g_strstr_len(text, len, GOOGLE_GOTO_NOT_FOUND) != NULL) { |
d1f48cc2 QT |
128 | found = FALSE; |
129 | goto done; | |
130 | } | |
131 | ||
34e71b99 | 132 | if ((pat = g_strstr_len(text, len, GOOGLE_GOTO_PATTERN_1)) == NULL) { |
369126f3 QT |
133 | found = FALSE; |
134 | goto done; | |
135 | } | |
34e71b99 | 136 | pat += strlen(GOOGLE_GOTO_PATTERN_1); |
369126f3 QT |
137 | s = lat_buf; |
138 | if (*pat == '-') | |
139 | *s++ = *pat++; | |
140 | while ((s < (lat_buf + sizeof(lat_buf))) && (pat < (text + len)) && | |
141 | (g_ascii_isdigit(*pat) || (*pat == '.'))) | |
142 | *s++ = *pat++; | |
143 | *s = '\0'; | |
144 | if ((pat >= (text + len)) || (lat_buf[0] == '\0')) { | |
145 | found = FALSE; | |
146 | goto done; | |
147 | } | |
148 | ||
34e71b99 | 149 | if (strncmp(pat, GOOGLE_GOTO_PATTERN_2, strlen(GOOGLE_GOTO_PATTERN_2))) { |
369126f3 QT |
150 | found = FALSE; |
151 | goto done; | |
152 | } | |
369126f3 | 153 | |
34e71b99 | 154 | pat += strlen(GOOGLE_GOTO_PATTERN_2); |
369126f3 QT |
155 | s = lon_buf; |
156 | ||
157 | if (*pat == '-') | |
158 | *s++ = *pat++; | |
159 | while ((s < (lon_buf + sizeof(lon_buf))) && (pat < (text + len)) && | |
160 | (g_ascii_isdigit(*pat) || (*pat == '.'))) | |
161 | *s++ = *pat++; | |
162 | *s = '\0'; | |
163 | if ((pat >= (text + len)) || (lon_buf[0] == '\0')) { | |
164 | found = FALSE; | |
165 | goto done; | |
166 | } | |
167 | ||
168 | ll->lat = g_ascii_strtod(lat_buf, NULL); | |
169 | ll->lon = g_ascii_strtod(lon_buf, NULL); | |
170 | ||
369126f3 QT |
171 | done: |
172 | g_mapped_file_free(mf); | |
369126f3 QT |
173 | return (found); |
174 | ||
175 | } | |
176 | ||
0c6b26d3 | 177 | static gchar *google_goto_tool_get_url_format ( VikGotoTool *self ) |
369126f3 | 178 | { |
0c6b26d3 GB |
179 | return GOOGLE_GOTO_URL_FMT; |
180 | } | |
369126f3 | 181 | |
b529dc9c | 182 | DownloadMapOptions *google_goto_tool_get_download_options ( VikGotoTool *self ) |
0c6b26d3 GB |
183 | { |
184 | return &googlesearch_options; | |
369126f3 | 185 | } |