/* ES5 15.12.3 JA. */
static JSBool
JA(JSContext *cx, HandleObject obj, StringifyContext *scx)
{
/*
* This method implements the JA algorithm in ES5 15.12.3, but:
*
* * The algorithm is somewhat reformulated to allow the final string to
* be streamed into a single buffer, rather than be created and copied
* into place incrementally as the ES5 algorithm specifies it. This
* requires moving portions of the Str call in 8a into this algorithm
* (and in JO as well).
*/
/* Steps 1-2, 11. */
CycleDetector detect(cx, scx, obj);
if (!detect.init(cx))
return JS_FALSE;
if (!scx->sb.append('['))
return JS_FALSE;
/* Step 6. */
uint32_t length;
if (!js_GetLengthProperty(cx, obj, &length))
return JS_FALSE;
/* Steps 7-10. */
if (length != 0) {
/* Steps 4, 10b(i). */
if (!WriteIndent(cx, scx, scx->depth))
return JS_FALSE;
/* Steps 7-10. */
Value outputValue;
for (uint32_t i = 0; i < length; i++) {
/*
* Steps 8a-8c. Again note how the call to the spec's Str method
* is broken up into getting the property, running it past toJSON
* and the replacer and maybe unboxing, and interpreting some
* values as |null| in separate steps.
*/
if (!obj->getElement(cx, i, &outputValue))
return JS_FALSE;
if (!PreprocessValue(cx, obj, i, &outputValue, scx))
return JS_FALSE;
if (IsFilteredValue(outputValue)) {
if (!scx->sb.append("null"))
return JS_FALSE;
} else {
if (!Str(cx, outputValue, scx))
return JS_FALSE;
}
/* Steps 3, 4, 10b(i). */
if (i < length - 1) {
if (!scx->sb.append(','))
return JS_FALSE;
if (!WriteIndent(cx, scx, scx->depth))
return JS_FALSE;
}
}
/* Step 10(b)(iii). */
if (!WriteIndent(cx, scx, scx->depth - 1))
return JS_FALSE;
}
return scx->sb.append(']');
}
