smsdaemon/plugins/TrainInfo.cpp


#include "TrainInfo.h"

#include "string_nocase.h"
#include "Util.h"

#include <vector>
#include <sstream>
#include <stdexcept>


using namespace std;

string ConvertUpdateInfo(char ch)
{
        string result;
        switch( ch)
        {
                case '1':
                        result = "< 3 min";
                        break;
                case '2':
                        result = "3 - 10 min";
                        break;
                case '3':
                        result = "> 10 min";
                        break;
                case '4':
                        result = "No info";
                        break;
                default:
                        result = "Unknown";
        }
        return result;
}

inline string clean(string& str)
{
        using namespace Util;

        str = str_replace(str, "&nbsp;", " ");

        return str_trim(str_characters(str_striptags(str)));
}

void CleanTrainInfo(TrainInfo& info)
{
        info.time = clean( info.time );
        info.type = clean( info.type );
        info.destination = clean( info.destination );
        info.origin = clean( info.origin );
        info.current = clean( info.current );
        info.status = clean( info.status );
        info.note = clean( info.note );
}

vector<TrainInfo> GetTrainInfo(string stationcode, string stationname)
{
        vector<TrainInfo> result;

        string url = string("http://www.bane.dk/visStation.asp?W=FJRN&S=") + stationcode + "&artikelId=4275&statnavn=" + stationname;

        string raw_doc = Util::readUrl(url, "/tmp/sms_tog.tmp" );

        if (raw_doc == "")
        {
                throw std::runtime_error("Connection timeout");
        }

        raw_doc = Util::str_replace(raw_doc, "\"", "'");

        string_nocase html = raw_doc.c_str();

        unsigned int pos =0;

        unsigned int ankomstpos = html.find("id='ankomsttabel'");

        while(1)
        {
                //start with time
                pos = html.find("<td class='tid'>", pos);

                if (pos == string::npos)
                        break;

                if (pos > ankomstpos)
                        break;

                TrainInfo info;

                int start = pos+16;
                int stop = html.find("</td>", pos);

                info.time = html.substr(start, stop-start).c_str();

                //update info
                pos = html.find("<td class='opdater'>", pos);
                pos += 54;
                char update = html.at(pos);
                info.update = ConvertUpdateInfo(update);

                //type
                pos = html.find( "<td class='togtype'>", pos);
                start = pos + 20;
                stop = html.find("</td>", pos);
                info.type = html.substr(start, stop-start).c_str();

                //destination
                pos = html.find( "<td class='til'>", pos);
                start = pos + 16;
                stop = html.find( "</td>", pos);
                info.destination = html.substr(start, stop-start).c_str();

                //origin
                pos = html.find( "<td class='visikke'>", pos);
                start = pos + 20;
                stop = html.find( "</td>", pos);
                info.origin = html.substr(start, stop-start).c_str();

                //Current location
        pos++; //since origin and current use the same search pattern, we must increase the position
                      //so we don't get origin twice.
                
                pos = html.find( "<td class='visikke'>", pos);
                start = pos + 20;
                stop = html.find( "</td>", pos);
                info.current = html.substr(start, stop-start).c_str();

                //status
                pos = html.find( "<td class='status'>", pos);
                start = pos + 19;
                stop = html.find( "</td>", pos);
                info.status = html.substr(start, stop-start).c_str();

                //note
                pos = html.find( "<td class='bem'>", pos);
                start = pos + 16;
                stop = html.find( "</td>", pos);
                info.note = html.substr(start, stop-start).c_str();

                CleanTrainInfo(info);

                result.push_back(info);
        }

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