1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
3 * ***** BEGIN LICENSE BLOCK *****
4 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 1.1 (the "License"); you may not use this file except in compliance with
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16 * The Original Code is Mozilla Communicator client code, released
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22 * the Initial Developer. All Rights Reserved.
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38 * ***** END LICENSE BLOCK ***** */
40 #ifndef jsatominlines_h___
41 #define jsatominlines_h___
47 * Convert v to an atomized string and wrap it as an id.
50 js_ValueToAtom(JSContext *cx, const js::Value &v, JSAtom **atomp)
56 * Optimize for the common case where v is an already-atomized string. The
57 * comment in jsstr.h before JSString::flatSetAtomized explains why this is
58 * thread-safe. The extra rooting via lastAtom (which would otherwise be
59 * done in js_js_AtomizeString) ensures the caller that the resulting id at
60 * is least weakly rooted.
64 if (str->isAtomized()) {
65 *atomp = STRING_TO_ATOM(str);
69 str = js_ValueToString(cx, v);
73 atom = js_AtomizeString(cx, str, 0);
81 js_ValueToStringId(JSContext *cx, const js::Value &v, jsid *idp)
84 if (js_ValueToAtom(cx, v, &atom)) {
85 *idp = ATOM_TO_JSID(atom);
92 js_InternNonIntElementId(JSContext *cx, JSObject *obj, const js::Value &idval,
95 JS_ASSERT(!idval.isInt32() || !INT_FITS_IN_JSID(idval.toInt32()));
97 #if JS_HAS_XML_SUPPORT
98 extern bool js_InternNonIntElementIdSlow(JSContext *, JSObject *,
99 const js::Value &, jsid *);
100 if (idval.isObject())
101 return js_InternNonIntElementIdSlow(cx, obj, idval, idp);
104 return js_ValueToStringId(cx, idval, idp);
108 js_InternNonIntElementId(JSContext *cx, JSObject *obj, const js::Value &idval,
109 jsid *idp, js::Value *vp)
111 JS_ASSERT(!idval.isInt32() || !INT_FITS_IN_JSID(idval.toInt32()));
113 #if JS_HAS_XML_SUPPORT
114 extern bool js_InternNonIntElementIdSlow(JSContext *, JSObject *,
116 jsid *, js::Value *);
117 if (idval.isObject())
118 return js_InternNonIntElementIdSlow(cx, obj, idval, idp, vp);
122 if (js_ValueToAtom(cx, idval, &atom)) {
123 *idp = ATOM_TO_JSID(atom);
124 vp->setString(ATOM_TO_STRING(atom));
131 js_Int32ToId(JSContext* cx, int32 index, jsid* id)
133 if (INT_FITS_IN_JSID(index)) {
134 *id = INT_TO_JSID(index);
138 JSString* str = js_NumberToString(cx, index);
142 return js_ValueToStringId(cx, js::StringValue(str), id);
145 #endif /* jsatominlines_h___ */