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Add language selectors to JavaScript translator.

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bjorn
2008-08-12 20:13:41 +00:00
parent d836aac9cd
commit d43f3e7f5d
2 changed files with 25 additions and 9 deletions
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20
lib/javascript/gflib.js
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@@ -7,17 +7,27 @@ function GFGrammar(abstract, concretes) {
/* Translates a string from any concrete syntax to all concrete syntaxes.
Uses the start category of the grammar.
*/
GFGrammar.prototype.translate = function (input) {
var outputs = new Array();
for (var c1 in this.concretes) {
GFGrammar.prototype.translate = function (input, fromLang, toLang) {
var outputs = new Object();
var fromConcs = this.concretes;
if (fromLang) {
fromConcs = new Object();
fromConcs[fromLang] = this.concretes[fromLang];
}
var toConcs = this.concretes;
if (toLang) {
toConcs = new Object();
toConcs[toLang] = this.concretes[toLang];
}
for (var c1 in fromConcs) {
var p = this.concretes[c1].parser;
if (p) {
var trees = p.parseString(input, this.abstract.startcat);
if (trees.length > 0) {
outputs[c1] = new Array();
for (var i in trees) {
outputs[c1][i] = new Array();
for (var c2 in this.concretes) {
outputs[c1][i] = new Object();
for (var c2 in toConcs) {
outputs[c1][i][c2] = this.concretes[c2].linearize(trees[i]);
}
}