How to persist GPX (XML) document to a file using Tango?
https://stackoverflow.com//questions/9635888
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My setting:
- Compiler: DMD 1.056
- Library: Tango 0.99.9
- OS: Windows 7
What I have done so far:
I have managed to build via API a GPX file and know how to format it and display it on the console.
My code:
module SwathGen;
import
tango.io.Stdout,
tango.text.xml.Document,
tango.text.xml.DocPrinter;
void main(char[][] args)
{
auto gpxdoc = new Document!(char);
gpxdoc.header;
gpxdoc.tree
.element(null,"gpx")
.attribute (null,"xmlns","http://www.topografix.com/GPX/1/1")
.attribute (null,"version","1.1")
.attribute (null,"creator","SwathGen")
.attribute (null,"xmlns:xsi","http://www.w3.org/2001/XMLSchema-instance")
.attribute (null,"xsi:schemaLocation","http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.topografix.com/GPX/gpx_style/0/2 http://www.topografix.com/GPX/gpx_style/0/2/gpx_style.xsd http://www.topografix.com/GPX/gpx_overlay/0/3 http://www.topografix.com/GPX/gpx_overlay/0/3/gpx_overlay.xsd")
;
gpxdoc.elements
.element (null,"metadata")
.element(null,"name","JobDef.gpx")
.parent
.element(null,"desc","Spray Job")
.parent
.element(null,"author")
.element (null,"name","izylay")
.parent
.element (null,"email")
.attribute (null,"id","izylay")
.attribute (null,"domain","ary.com")
.parent
.parent
.element(null,"copyright")
.attribute (null,"author","izylay")
.element (null,"year","2011")
.parent
.parent
.element(null,"time","2011-10-10T08:19:50Z")
.parent
.element(null,"keywords","ULM, J300, Aerial Spraying, Locust")
.parent
.element (null,"bounds")
.attribute (null,"minlat","-18.85522622")
.attribute (null,"minlon","47.37275913")
.attribute (null,"maxlat","-18.82044444")
.attribute (null,"maxlon","47.39838002")
;
gpxdoc.elements
.element(null,"wpt")
.attribute (null,"lat","-18.85522622")
.attribute (null,"lon","47.39173757")
.element (null,"name","A000")
.parent
.element (null,"sym","Waypoint")
;
gpxdoc.elements
.element(null,"rte")
.element (null,"name","Spray Job")
//
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85522610")
.attribute (null,"lon","47.39838002")
.element (null,"name","Entry point")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85522525")
.attribute (null,"lon","47.37275913")
.element (null,"name","B000")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85387012")
.attribute (null,"lon","47.37275913")
.element (null,"name","B001")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85387109")
.attribute (null,"lon","47.39173757")
.element (null,"name","A001")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85251596")
.attribute (null,"lon","47.39173757")
.element (null,"name","A002")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85251499")
.attribute (null,"lon","47.37275913")
.element (null,"name","B002")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85115986")
.attribute (null,"lon","47.37275913")
.element (null,"name","B003")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.85116082")
.attribute (null,"lon","47.39173757")
.element (null,"name","A003")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84980569")
.attribute (null,"lon","47.39173757")
.element (null,"name","A004")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84980472")
.attribute (null,"lon","47.37275913")
.element (null,"name","B004")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84844959")
.attribute (null,"lon","47.37275913")
.element (null,"name","B005")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84845056")
.attribute (null,"lon","47.39173757")
.element (null,"name","A005")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84709543")
.attribute (null,"lon","47.39173757")
.element (null,"name","A006")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84709446")
.attribute (null,"lon","47.37275913")
.element (null,"name","B006")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84573933")
.attribute (null,"lon","47.37275913")
.element (null,"name","B007")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84574029")
.attribute (null,"lon","47.39173757")
.element (null,"name","A007")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84438516")
.attribute (null,"lon","47.39173757")
.element (null,"name","A008")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84438419")
.attribute (null,"lon","47.37275913")
.element (null,"name","B008")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84302906")
.attribute (null,"lon","47.37275913")
.element (null,"name","B009")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84303003")
.attribute (null,"lon","47.39173757")
.element (null,"name","A009")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84167489")
.attribute (null,"lon","47.39173757")
.element (null,"name","A010")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84167393")
.attribute (null,"lon","47.37275913")
.element (null,"name","B010")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84031879")
.attribute (null,"lon","47.37275913")
.element (null,"name","B011")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.84031976")
.attribute (null,"lon","47.39173757")
.element (null,"name","A011")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83896463")
.attribute (null,"lon","47.39173757")
.element (null,"name","A012")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83896366")
.attribute (null,"lon","47.37275913")
.element (null,"name","B012")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83760852")
.attribute (null,"lon","47.37275913")
.element (null,"name","B013")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83760949")
.attribute (null,"lon","47.39173757")
.element (null,"name","A013")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83625436")
.attribute (null,"lon","47.39173757")
.element (null,"name","A014")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83625339")
.attribute (null,"lon","47.37275913")
.element (null,"name","B014")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83489825")
.attribute (null,"lon","47.37275913")
.element (null,"name","B015")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83489922")
.attribute (null,"lon","47.39173757")
.element (null,"name","A015")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83354409")
.attribute (null,"lon","47.39173757")
.element (null,"name","A016")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83354312")
.attribute (null,"lon","47.37275913")
.element (null,"name","B016")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83218798")
.attribute (null,"lon","47.37275913")
.element (null,"name","B017")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83218895")
.attribute (null,"lon","47.39173757")
.element (null,"name","A017")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83083382")
.attribute (null,"lon","47.39173757")
.element (null,"name","A018")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.83083285")
.attribute (null,"lon","47.37275913")
.element (null,"name","B018")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82947771")
.attribute (null,"lon","47.37275913")
.element (null,"name","B019")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82947868")
.attribute (null,"lon","47.39173757")
.element (null,"name","A019")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82812355")
.attribute (null,"lon","47.39173757")
.element (null,"name","A020")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82812258")
.attribute (null,"lon","47.37275913")
.element (null,"name","B020")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82676744")
.attribute (null,"lon","47.37275913")
.element (null,"name","B021")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82676841")
.attribute (null,"lon","47.39173757")
.element (null,"name","A021")
.parent
.element (null,"sym","Dot")
.parent
.parent
.element(null,"rtept")
.attribute (null,"lat","-18.82044444")
.attribute (null,"lon","47.39173757")
.element (null,"name","Exit point")
.parent
.element (null,"sym","Dot")
.parent
;
gpxdoc.elements
.element(null,"extensions")
.element(null,"polyline")
.attribute(null,"xmlns","http://www.topografix.com/GPX/gpx_overlay/0/3")
.element(null,"points")
//
.element(null,"pt")
.attribute (null,"lat","-18.85522622")
.attribute (null,"lon","47.37275913")
.parent
.element(null,"pt")
.attribute (null,"lat","-18.85522622")
.attribute (null,"lon","47.39838002")
.parent
.element(null,"pt")
.attribute (null,"lat","-18.82044444")
.attribute (null,"lon","47.39838002")
.parent
.element(null,"pt")
.attribute (null,"lat","-18.82044444")
.attribute (null,"lon","47.37275913")
.parent
.element(null,"pt")
.attribute (null,"lat","-18.85522622")
.attribute (null,"lon","47.37275913")
//
;
auto print = new DocPrinter!(char);
Stdout(print(gpxdoc)).newline;
}
Question:
How to persist the GPX (XML) document to a file ?
Solution
auto to = new File ("copy.txt", File.WriteCreate);
to.write(print(gpxdoc));
to.close;
open file and write to it
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