GF Cloud: add Word inflection with smart paradigms

This is a reimplemention of Aarne's GFMorpho service from 2012, using
the GF shell web API. Not all features are implemented (yet).

src/www/gfmorpho/morpho.js

@@ -0,0 +1,42 @@
+
+var local=appLocalStorage("gf.morpho.")
+
+function quote(s) {
+    return s[0]=="_" ? s.substr(1) : '"'+s+'"'
+}
+
+function show_output(output) {
+    morpho_output.className=output ? "morpho_output" : ""
+    replaceChildren(morpho_output,text(output))
+}
+
+function submitmorpho() {
+    clear(morpho_output)
+    var args=morpho.args.value.split(/ +/)
+    var lang=args[0]
+    var cat=args[1]
+    var wordforms=args.slice(2).map(quote).join(" ")
+    //console.log("submitmorpho",lang,cat,wordforms)
+    switch("") {
+    case lang: show_output("No language"); break;
+    case cat: show_output("No category"); break;
+    case wordforms: show_output("No word forms"); break;
+    default:
+	gfshell("e",function() {
+	    gfshell("i -retain alltenses/Paradigms"+lang+".gfo",function() {
+		gfshell("cc -table -unqual mk"+cat+wordforms,show_output)
+	    })
+	})
+    }
+    return false;
+}
+
+function resetmorpho() {
+    show_output("")
+}
+
+function submit_example(b) {
+    //console.log("submit_example",b.value)
+    morpho.args.value=b.value
+    submitmorpho()
+}