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Wide Coverage Demo App: translate to all available target langauges at once

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This means that the new translation is available instantly when switching
target languages. It can also reduce space leaks problems in the server
somewhat by avoiding repeated parsing of the source text.
This commit is contained in:
hallgren
2014-04-29 16:01:57 +00:00
parent d37c25990e
commit 8b4e13ea84
2 changed files with 65 additions and 30 deletions
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25
src/www/js/gftranslate.js
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@@ -13,6 +13,12 @@ gftranslate.call=function(querystring,cont) {
http_get_json(gftranslate.jsonurl+querystring,cont,errcont)
}
function enc_langs(g,to) {
return Array.isArray(to)
? to.map(function(l){return g+l}).join("+")
: g+to
}
// Translate a sentence
gftranslate.translate=function(source,from,to,start,limit,cont) {
var g=gftranslate.grammar
@@ -22,7 +28,7 @@ gftranslate.translate=function(source,from,to,start,limit,cont) {
function extract(result) { cont(result[0].translations) }
if(encsrc.length<500)
gftranslate.call("?command=c-translate&input="+encsrc
+lexer+"&unlexer=text&from="+g+from+"&to="+g+to
+lexer+"&unlexer=text&from="+g+from+"&to="+enc_langs(g,to)
+"&start="+start+"&limit="+limit,extract)
else cont([{error:"sentence too long"}])
}
@@ -34,9 +40,10 @@ gftranslate.wordforword=function(source,from,to,cont) {
if(from=="Chi") lexer="",source=source.split("").join(" ")
var encsrc=encodeURIComponent(source)
function extract(result) { cont(result[0].translations) }
var enc_to = enc_langs(g,to)
if(encsrc.length<500)
gftranslate.call("?command=c-wordforword&input="+encsrc
+lexer+"&unlexer=text&from="+g+from+"&to="+g+to
+lexer+"&unlexer=text&from="+g+from+"&to="+enc_to
,extract)
else cont([{error:"sentence too long"}])
}
@@ -77,12 +84,20 @@ function trans_text_quality(text) {
return {quality:quality,text:text}
}
function trans_quality(r) {
var text=r.linearizations[0].text
// find_to :: Lang -> [{to:Lang,...}] -> Int
find_to=function(to,lins) {
for(var i=0;i<lins.length;i++)
if(lins[i].to==to) return i
return 0 // Hmm....
}
trans_quality=function(r,to) {
var ix=to ? find_to(to,r.linearizations) : 0
var text=r.linearizations[ix].text
if(r.prob==0) return {quality:"high_quality",text:text}
else {
var t=trans_text_quality(text)
if(t.quality=="default_quality" && r.tree[0]=="?")
if(t.quality=="default_quality" && r.tree && r.tree[0]=="?")
t.quality="low_quality"
return t
}