switched api to http://mobile.defas-fgi.de/beg/ and added tests for the corresponding functions
This commit is contained in:
parent
82f134f565
commit
0f95b5777e
2 changed files with 210 additions and 144 deletions
30
source/app.d
30
source/app.d
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@ -6,22 +6,29 @@ import std.getopt : defaultGetoptPrinter, getopt;
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import std.json : JSONValue;
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import std.stdio : File, writeln;
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import requests : postContent;
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import requests : getContent;
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import fahrplanparser;
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import substitution;
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// find stops: http://mobile.defas-fgi.de/beg/XML_STOPFINDER_REQUEST?outputFormat=XML&stateless=1&locationServerActive=1®ionID_sf=1&type_sf=stop&name_sf=Regensburg%20Universit%C3%A4t
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enum baseURL = "http://mobile.defas-fgi.de/beg/";
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enum departureMonitorRequest = "XML_DM_REQUEST";
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enum stopFinderRequest = "XML_STOPFINDER_REQUEST";
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void main(string[] args)
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{
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string fileName;
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string busStop = "4014080";
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string substitutionFileName = "replacement.txt";
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// dfmt off
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auto helpInformation = getopt(args,
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"file|f", "The file that the data is written to.", &fileName,
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"stop|s", "The bus stop for which to fetch data.", &busStop,
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"replacement-file|r", "The file that contais the direction name replacement info.", &substitutionFileName);
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// dfmt on
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if (helpInformation.helpWanted)
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{
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@ -29,13 +36,20 @@ void main(string[] args)
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return;
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}
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auto content = postContent("http://txt.bayern-fahrplan.de/textversion/bcl_abfahrtstafel",
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["limit" : "20",
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"useRealtime" : "1",
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// dfmt off
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auto content = getContent(baseURL ~ departureMonitorRequest,
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["outputFormat" : "XML",
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"language" : "de",
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"stateless" : "1",
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"type_dm" : "stop",
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"name_dm" : busStop,
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"useRealtime" : "1",
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"mode" : "direct",
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"type_dm" : "any",
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"itdLPxx_bcl" : "true"]);
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"ptOptionActive" : "1",
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"mergeDep" : "1",
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"limit" : "20",
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"deleteAssignedStops_dm" : "1"]);
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// dfmt on
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if (substitutionFileName.exists && substitutionFileName.isFile)
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{
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@ -44,6 +58,7 @@ void main(string[] args)
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auto currentTime = Clock.currTime;
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JSONValue j = ["time" : "%02s:%02s".format(currentTime.hour, currentTime.minute)];
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j.object["departures"] = (cast(string) content.data).parsedFahrplan.array.JSONValue;
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auto output = j.toPrettyString.replace("\\/", "/");
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if (fileName !is null)
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@ -57,5 +72,4 @@ void main(string[] args)
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{
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output.writeln;
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}
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}
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@ -1,12 +1,10 @@
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module fahrplanparser;
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import std.algorithm : filter, map;
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import std.array : empty, front, replace;
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import std.algorithm : map;
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import std.array : front;
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import std.conv : to;
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import std.datetime : dur, TimeOfDay;
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import std.regex : ctRegex, matchAll;
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import std.string : strip;
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import std.typecons : tuple, Tuple;
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import std.datetime : dur, TimeOfDay, DateTimeException;
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import std.string : format;
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import kxml.xml : readDocument, XmlNode;
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@ -14,14 +12,18 @@ import substitution;
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private:
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enum ScheduleHeadings
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enum departureNodeName = "dp";
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enum timeNodeName = "t";
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enum realTimeNodeName = "rt";
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enum departuresXPath = "/efa/dps/" ~ departureNodeName;
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template timeXPath(string _timeNodeName = timeNodeName)
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{
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date,
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departure,
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line,
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direction,
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platform
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enum timeXPath = "/st/" ~ _timeNodeName;
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}
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enum useRealTimeXPath = "/realtime";
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enum lineXPath = "/m/nu";
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enum directionXPath = "/m/des";
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public:
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@ -29,132 +31,182 @@ auto parsedFahrplan(in string data)
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{
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// dfmt off
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return data.readDocument
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.parseXPath(`//table[@id="departureMonitor"]/tbody/tr`)[1 .. $]
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.getRowContents
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.filter!(row => !row.empty)
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.map!(a => ["departure" : a[0].parseTime[0].to!string[0 .. $ - 3],
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"delay" : a[0].parseTime[1].total!"minutes".to!string,
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"line" : a[1],
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"direction" : a[2].substitute]);
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.parseXPath(departuresXPath)
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.map!(dp => ["departure" : "%02s:%02s".format(dp.departureTime.hour, dp.departureTime.minute),
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"delay" : dp.delay.total!"minutes".to!string,
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"line": dp.parseXPath(lineXPath).front.getCData,
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"direction": dp.parseXPath(directionXPath).front.getCData.substitute]);
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// dfmt on
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}
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private:
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class BadTimeInputException : Exception
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{
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this(string msg) @safe pure nothrow @nogc
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{
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super(msg);
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}
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this() @safe pure nothrow @nogc
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{
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this("");
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}
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}
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auto parseTime(in string input) @safe
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{
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auto matches = matchAll(input, ctRegex!(`(?P<hours>\d{1,2}):(?P<minutes>\d{2})`));
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if (matches.empty)
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throw new BadTimeInputException();
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auto actualTime = TimeOfDay(matches.front["hours"].to!int, matches.front["minutes"].to!int);
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matches.popFront;
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if (!matches.empty)
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{
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auto expectedTime = TimeOfDay(matches.front["hours"].to!int,
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matches.front["minutes"].to!int);
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auto timeDiff = actualTime - expectedTime;
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if (timeDiff < dur!"minutes"(0))
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timeDiff = dur!"hours"(24) + timeDiff;
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return tuple(expectedTime, timeDiff);
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}
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return tuple(actualTime, dur!"minutes"(0));
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}
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@safe unittest
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{
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import std.exception : assertThrown;
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assertThrown(parseTime(""));
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assertThrown(parseTime("lkeqf"));
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assertThrown(parseTime(":"));
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assertThrown(parseTime("00:0"));
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assert("00:00".parseTime == tuple(TimeOfDay(0, 0), dur!"minutes"(0)));
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assert("0:00".parseTime == tuple(TimeOfDay(0, 0), dur!"minutes"(0)));
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assert("00:00 00:00".parseTime == tuple(TimeOfDay(0, 0), dur!"minutes"(0)));
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assert("00:00 00:00 12:00".parseTime == tuple(TimeOfDay(0, 0), dur!"minutes"(0)));
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assert("12:3412:34".parseTime == tuple(TimeOfDay(12, 34), dur!"minutes"(0)));
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assert("ölqjfo12:34oieqf12:31ölqjf".parseTime == tuple(TimeOfDay(12, 31), dur!"minutes"(3)));
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assert("17:53 (planmäßig 17:51 Uhr)".parseTime == tuple(TimeOfDay(17, 51), dur!"minutes"(2)));
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assert("00:00 23:59".parseTime == tuple(TimeOfDay(23, 59), dur!"minutes"(1)));
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}
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auto getRowContents(XmlNode[] rows)
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{
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return rows.map!(x => getRowContent(x));
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}
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auto getRowContent(XmlNode row)
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{
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return row.parseXPath("//td")[ScheduleHeadings.departure .. ScheduleHeadings.direction + 1].map!(
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cell => stripLinks(cell));
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}
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auto stripLinks(XmlNode cell)
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{
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auto links = cell.parseXPath("//a");
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if (links.empty)
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{
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return cell.getCData;
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}
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else
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{
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return links.front.getCData.replace("...", "");
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}
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}
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@system unittest
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{
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auto foo = new XmlNode("foo");
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assert(foo.stripLinks == "");
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import std.stdio;
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import std.array: array;
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auto xml = "";
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assert(xml.parsedFahrplan.array == []);
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auto link = new XmlNode("a");
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link.setCData("test");
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foo.addChild(link);
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assert(foo.stripLinks == "test");
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xml = "<efa><dps></dps></efa>";
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assert(xml.parsedFahrplan.array == []);
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link.setCData("test2...");
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assert(foo.stripLinks == "test2");
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xml = "<efa><dps><dp><realtime>1</realtime><st><t>1224</t><rt>1242</rt></st><m><nu>6</nu><des>Wernerwerkstraße</des></m></dp></dps></efa>";
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assert(xml.parsedFahrplan.array == [["direction":"Wernerwerkstraße", "line":"6", "departure":"12:24", "delay":"18"]]);
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auto bar = new XmlNode("bar");
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bar.setCData("test3");
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assert(bar.stripLinks == "test3");
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xml = "<efa><dps><dp><realtime>0</realtime><st><t>1224</t></st><m><nu>6</nu><des>Wernerwerkstraße</des></m></dp></dps></efa>";
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assert(xml.parsedFahrplan.array == [["direction":"Wernerwerkstraße", "line":"6", "departure":"12:24", "delay":"0"]]);
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bar.addChild(link);
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assert(bar.stripLinks == "test2");
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auto baz = new XmlNode("baz");
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auto subNode = new XmlNode("subNode");
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baz.addChild(subNode);
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assert(baz.stripLinks == "");
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baz.addChild(link);
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assert(baz.stripLinks == "test2");
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baz.addCData("test4");
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assert(baz.stripLinks == "test2");
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baz.removeChild(link);
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assert(baz.stripLinks == "test4");
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xml = "<efa><dps><dp><realtime>0</realtime><st><t>1224</t></st><m><nu>6</nu><des>Wernerwerkstraße</des></m></dp><dp><realtime>1</realtime><st><t>1353</t><rt>1356</rt></st><m><nu>11</nu><des>Burgweinting</des></m></dp></dps></efa>";
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assert(xml.parsedFahrplan.array == [["direction":"Wernerwerkstraße", "line":"6", "departure":"12:24", "delay":"0"], ["direction":"Burgweinting", "line":"11", "departure":"13:53", "delay":"3"]]);
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}
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private:
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class UnexpectedValueException(T) : Exception
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{
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this(T t, string node) @safe pure
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{
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super(`Unexpected value "%s" for node "%s"`.format(t, node));
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}
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}
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auto departureTime(string _timeNodeName = timeNodeName)(XmlNode dp)
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in
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{
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assert(dp.getName == departureNodeName);
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}
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body
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{
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return TimeOfDay.fromISOString(dp.parseXPath(timeXPath!_timeNodeName).front.getCData ~ "00");
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}
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@system unittest
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{
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import std.exception : assertThrown;
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auto xml = "<dp><st><t>0000</t></st></dp>".readDocument.parseXPath("/dp").front;
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assert(xml.departureTime == TimeOfDay(0, 0));
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xml = "<dp><st><t>0013</t></st></dp>".readDocument.parseXPath("/dp").front;
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assert(xml.departureTime == TimeOfDay(0, 13));
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xml = "<dp><st><t>1100</t></st></dp>".readDocument.parseXPath("/dp").front;
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assert(xml.departureTime == TimeOfDay(11, 00));
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xml = "<dp><st><t>1242</t></st></dp>".readDocument.parseXPath("/dp").front;
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assert(xml.departureTime == TimeOfDay(12, 42));
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xml = "<dp><st><t>2359</t></st></dp>".readDocument.parseXPath("/dp").front;
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assert(xml.departureTime == TimeOfDay(23, 59));
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assertThrown!DateTimeException("<dp><st><t>2400</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>0061</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>2567</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t></t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>0</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>00</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>000000</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>00:00</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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assertThrown!DateTimeException("<dp><st><t>abcd</t></st></dp>".readDocument.parseXPath("/dp")
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.front.departureTime);
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}
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auto delay(XmlNode dp)
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in
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{
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assert(dp.getName == departureNodeName);
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}
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body
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{
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auto useRealtimeString = dp.parseXPath(useRealTimeXPath).front.getCData;
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if (useRealtimeString == "0")
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return dur!"minutes"(0);
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else if (useRealtimeString == "1")
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{
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auto expectedTime = dp.departureTime;
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auto realTime = dp.departureTime!realTimeNodeName;
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auto timeDiff = realTime - expectedTime;
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if (timeDiff < dur!"minutes"(0))
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timeDiff = dur!"hours"(24) + timeDiff;
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return timeDiff;
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}
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else
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throw new UnexpectedValueException!string(useRealtimeString, "realtime");
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}
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@system unittest
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{
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import std.exception : assertThrown;
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import core.exception : AssertError;
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auto xml = "<dp><realtime>0</realtime></dp>".readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(0));
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xml = "<dp><realtime></realtime></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!(UnexpectedValueException!string)(xml.delay);
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xml = "<dp><realtime>2</realtime></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!(UnexpectedValueException!string)(xml.delay);
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xml = "<dp><realtime>a</realtime></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!(UnexpectedValueException!string)(xml.delay);
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xml = "<dp><realtime>1</realtime></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!AssertError(xml.delay);
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xml = "<dp><realtime>1</realtime><st><t></t></st></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!DateTimeException(xml.delay);
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xml = "<dp><realtime>1</realtime><st><rt></rt></st></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!AssertError(xml.delay);
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xml = "<dp><st><rt></rt><t></t></st></dp>".readDocument.parseXPath("/dp").front;
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assertThrown!AssertError(xml.delay);
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xml = "<dp><realtime>1</realtime><st><rt></rt><t></t></st></dp>".readDocument.parseXPath("/dp")
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.front;
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assertThrown!DateTimeException(xml.delay);
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xml = "<dp><realtime>1</realtime><st><rt>0000</rt><t></t></st></dp>".readDocument.parseXPath("/dp")
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.front;
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assertThrown!DateTimeException(xml.delay);
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xml = "<dp><realtime>1</realtime><st><rt></rt><t>0000</t></st></dp>".readDocument.parseXPath("/dp")
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.front;
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assertThrown!DateTimeException(xml.delay);
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xml = "<dp><realtime>1</realtime><st><rt>0000</rt><t>0000</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(0));
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xml = "<dp><realtime>1</realtime><st><rt>0001</rt><t>0000</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(1));
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xml = "<dp><realtime>1</realtime><st><rt>1753</rt><t>1751</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(2));
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xml = "<dp><realtime>1</realtime><st><rt>1010</rt><t>1000</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(10));
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xml = "<dp><realtime>1</realtime><st><rt>1301</rt><t>1242</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(19));
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xml = "<dp><realtime>1</realtime><st><rt>0000</rt><t>1242</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(678));
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xml = "<dp><realtime>1</realtime><st><rt>0000</rt><t>2359</t></st></dp>"
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.readDocument.parseXPath("/dp").front;
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assert(xml.delay == dur!"minutes"(1));
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}
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