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Add UTF-8 support to the JavaScript API

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This adds an optional argument to generated getters for string fields to
specify the encoding type and overloads the createString() function. It's
now possible to use either JavaScript UTF-16 string objects or C-style
UTF-8 byte arrays (Uint8Array) for string data.
This commit is contained in:
Evan Wallace
2015-10-14 23:07:40 -07:00
parent 79222bf100
commit 4bef5e89c4
5 changed files with 119 additions and 51 deletions
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17
tests/JavaScriptTest.js
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@@ -125,18 +125,35 @@ function testUnicode() {
var bb = new flatbuffers.ByteBuffer(new Uint8Array(correct));
var monster = MyGame.Example.Monster.getRootAsMonster(bb);
assert.strictEqual(monster.name(), json.name);
assert.deepEqual(new Buffer(monster.name(flatbuffers.Encoding.UTF8_BYTES)), new Buffer(json.name));
assert.strictEqual(monster.testarrayoftablesLength(), json.testarrayoftables.length);
json.testarrayoftables.forEach(function(table, i) {
var value = monster.testarrayoftables(i);
assert.strictEqual(value.name(), table.name);
assert.deepEqual(new Buffer(value.name(flatbuffers.Encoding.UTF8_BYTES)), new Buffer(table.name));
});
assert.strictEqual(monster.testarrayofstringLength(), json.testarrayofstring.length);
json.testarrayofstring.forEach(function(string, i) {
assert.strictEqual(monster.testarrayofstring(i), string);
assert.deepEqual(new Buffer(monster.testarrayofstring(i, flatbuffers.Encoding.UTF8_BYTES)), new Buffer(string));
});
// Test writing
var fbb = new flatbuffers.Builder();
var name = fbb.createString(json.name);
var testarrayoftablesOffsets = json.testarrayoftables.map(function(table) {
var name = fbb.createString(new Uint8Array(new Buffer(table.name)));
MyGame.Example.Monster.startMonster(fbb);
MyGame.Example.Monster.addName(fbb, name);
return MyGame.Example.Monster.endMonster(fbb);
});
var testarrayoftablesOffset = MyGame.Example.Monster.createTestarrayoftablesVector(fbb,
testarrayoftablesOffsets);
var testarrayofstringOffset = MyGame.Example.Monster.createTestarrayofstringVector(fbb,
json.testarrayofstring.map(function(string) { return fbb.createString(string); }));
MyGame.Example.Monster.startMonster(fbb);
MyGame.Example.Monster.addTestarrayofstring(fbb, testarrayofstringOffset);
MyGame.Example.Monster.addTestarrayoftables(fbb, testarrayoftablesOffset);
MyGame.Example.Monster.addName(fbb, name);
MyGame.Example.Monster.finishMonsterBuffer(fbb, MyGame.Example.Monster.endMonster(fbb));
assert.deepEqual(new Buffer(fbb.asUint8Array()), correct);