1 |
|
2 |
#include "TrainInfo.h" |
3 |
|
4 |
#include "string_nocase.h" |
5 |
#include "Util.h" |
6 |
#include "Exceptions.h" |
7 |
#include "Logger.h" |
8 |
|
9 |
#include "HttpClient.h" |
10 |
|
11 |
#include <vector> |
12 |
#include <sstream> |
13 |
#include <stdexcept> |
14 |
|
15 |
|
16 |
using namespace std; |
17 |
|
18 |
string ConvertUpdateInfo(char ch) |
19 |
{ |
20 |
string result; |
21 |
switch( ch) |
22 |
{ |
23 |
case '1': |
24 |
result = "< 3 min"; |
25 |
break; |
26 |
case '2': |
27 |
result = "3 - 10 min"; |
28 |
break; |
29 |
case '3': |
30 |
result = "> 10 min"; |
31 |
break; |
32 |
case '4': |
33 |
result = "No info"; |
34 |
break; |
35 |
default: |
36 |
result = "Unknown"; |
37 |
} |
38 |
return result; |
39 |
} |
40 |
|
41 |
inline string clean(string& str) |
42 |
{ |
43 |
using namespace Util; |
44 |
|
45 |
str = str_replace(str, " ", " "); |
46 |
|
47 |
return str_trim(str_characters(str_striptags(str))); |
48 |
} |
49 |
|
50 |
void CleanTrainInfo(TrainInfo& info) |
51 |
{ |
52 |
info.time = clean( info.time ); |
53 |
info.type = clean( info.type ); |
54 |
info.destination = clean( info.destination ); |
55 |
info.origin = clean( info.origin ); |
56 |
info.current = clean( info.current ); |
57 |
info.status = clean( info.status ); |
58 |
info.note = clean( info.note ); |
59 |
} |
60 |
|
61 |
vector<TrainInfo> GetTrainInfo(string stationcode, string stationname) |
62 |
{ |
63 |
vector<TrainInfo> result; |
64 |
|
65 |
string url = string("http://www.bane.dk/visStation.asp?W=FJRN&S=") + stationcode + "&artikelId=4275&statnavn=" + stationname; |
66 |
|
67 |
//string raw_doc = Util::readUrl(url, "/tmp/sms_tog.tmp" ); |
68 |
|
69 |
string raw_doc; |
70 |
try |
71 |
{ |
72 |
raw_doc = HttpClient::GetString(url); |
73 |
} |
74 |
catch (httpexception& e) |
75 |
{ |
76 |
Logger::logMessage(e.what()); |
77 |
} |
78 |
|
79 |
if (raw_doc == "") |
80 |
{ |
81 |
throw std::runtime_error("Connection timeout"); |
82 |
} |
83 |
|
84 |
raw_doc = Util::str_replace(raw_doc, "\"", "'"); |
85 |
|
86 |
string_nocase html = raw_doc.c_str(); |
87 |
|
88 |
unsigned int pos =0; |
89 |
|
90 |
unsigned int ankomstpos = html.find("id='ankomsttabel'"); |
91 |
|
92 |
while(1) |
93 |
{ |
94 |
//start with time |
95 |
pos = html.find("<td class='tid'>", pos); |
96 |
|
97 |
if (pos == string::npos) |
98 |
break; |
99 |
|
100 |
if (pos > ankomstpos) |
101 |
break; |
102 |
|
103 |
TrainInfo info; |
104 |
|
105 |
int start = pos+16; |
106 |
int stop = html.find("</td>", pos); |
107 |
|
108 |
info.time = html.substr(start, stop-start).c_str(); |
109 |
|
110 |
//update info |
111 |
pos = html.find("<td class='opdater'>", pos); |
112 |
pos += 54; |
113 |
char update = html.at(pos); |
114 |
info.update = ConvertUpdateInfo(update); |
115 |
|
116 |
//type |
117 |
pos = html.find( "<td class='togtype'>", pos); |
118 |
start = pos + 20; |
119 |
stop = html.find("</td>", pos); |
120 |
info.type = html.substr(start, stop-start).c_str(); |
121 |
|
122 |
//destination |
123 |
pos = html.find( "<td class='til'>", pos); |
124 |
start = pos + 16; |
125 |
stop = html.find( "</td>", pos); |
126 |
info.destination = html.substr(start, stop-start).c_str(); |
127 |
|
128 |
//origin |
129 |
pos = html.find( "<td class='visikke'>", pos); |
130 |
start = pos + 20; |
131 |
stop = html.find( "</td>", pos); |
132 |
info.origin = html.substr(start, stop-start).c_str(); |
133 |
|
134 |
//Current location |
135 |
pos++; //since origin and current use the same search pattern, we must increase the position |
136 |
//so we don't get origin twice. |
137 |
|
138 |
pos = html.find( "<td class='visikke'>", pos); |
139 |
start = pos + 20; |
140 |
stop = html.find( "</td>", pos); |
141 |
info.current = html.substr(start, stop-start).c_str(); |
142 |
|
143 |
//status |
144 |
pos = html.find( "<td class='status'>", pos); |
145 |
start = pos + 19; |
146 |
stop = html.find( "</td>", pos); |
147 |
info.status = html.substr(start, stop-start).c_str(); |
148 |
|
149 |
//note |
150 |
pos = html.find( "<td class='bem'>", pos); |
151 |
start = pos + 16; |
152 |
stop = html.find( "</td>", pos); |
153 |
info.note = html.substr(start, stop-start).c_str(); |
154 |
|
155 |
CleanTrainInfo(info); |
156 |
|
157 |
result.push_back(info); |
158 |
} |
159 |
|
160 |
return result; |
161 |
} |