forked from GitHub/gf-core
2639dc67b1
The C run-time responds badly to input that is too long, so we return an error message here instead. The limit is 200 URL-encoded characters.
44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
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/* --- GF robust parser interface ------------------------------------------- */
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var gfrobust = {}
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gfrobust.url="http://www.grammaticalframework.org:41296/robust-parser/parse"
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gfrobust.jsonurl="http://www.grammaticalframework.org:41296/robust-parser.cgi"
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gfrobust.grammar="Parse" // the name of the grammar
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gfrobust.targetlist=[] // do not use, exposed only for debugging
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gfrobust.call=function(querystring,cont) {
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http_get_json(gfrobust.jsonurl+querystring,cont)
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}
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// Translate a sentence to the given target language
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gfrobust.translate=function(source,to,cont) {
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var encsrc=encodeURIComponent(source)
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if(encsrc.length<200) // match limit in runtime/c/utils/pgf-server.c
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gfrobust.call("?sentence="+encsrc+"&to="+gfrobust.grammar+to,cont)
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else cont("[GF robust parser: sentence too long]")
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}
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// Get the url of a parse tree image (SVG)
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gfrobust.parsetree_url=function(source) {
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return gfrobust.url+"?sentence="+encodeURIComponent(source)
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}
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// Get functions to test which source and target langauges are supported
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gfrobust.get_support=function(cont) {
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function ssupport(code) { return code=="Eng" }
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function tsupport(code) { return gfrobust.targets[code] }
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function init2(langstr) {
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var ls=langstr.split(" "); // ls probably contains an empty string here
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var langs=[], pre=gfrobust.grammar, n=pre.length
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for(var i=0;i<ls.length;i++)
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if(ls[i].substr(0,n)==pre) langs.push(ls[i].substr(n))
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gfrobust.targetlist=langs
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gfrobust.targets=toSet(langs)
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cont(ssupport,tsupport)
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}
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if(gfrobust.target) cont(ssupport,tsupport)
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else gfrobust.call("",init2) // retrieve list of supported target languages
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}
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