native_netscape_javascript_JSObject_eval(
JRIEnv* env,
struct netscape_javascript_JSObject* self,
struct java_lang_String *s)
{
#ifndef JAVA
return NULL;
#else
JSContext *cx;
JSObject *jso;
JSSavedState saved;
const char *cstr;
int cstrlen;
struct java_lang_Object *ret;
jsval rval;
int cost = 0;
JSPrincipals *principals;
char *codebase;
if (!enterJS(env, self, &cx, &jso, &saved))
return NULL;
if (! s ||
! (cstr = JRI_GetStringPlatformChars(env, s,
(const jbyte *) cx->charSetName,
(jint) cx->charSetNameLength))) {
/* FIXME this should be an error of some sort */
js_throwJSException(env, "illegal eval string");
ret = NULL;
goto do_exit;
}
/* subtract 1 for the NUL */
/*
* FIXME There is no JRI_GetStringPlatformLength (what a misnomer, if there
* were!), but JRI_GetStringPlatformChars does NUL-terminate the encoded
* string, so we trust that no charset encoding ever uses a NUL byte as
* part of a multibyte sequence and just call strlen.
*/
cstrlen = strlen(cstr);
principals = js_GetJSPrincipalsFromJavaCaller(cx, 0);
codebase = principals ? principals->codebase : NULL;
if (! JS_EvaluateScriptForPrincipals(cx, jso, principals, cstr, cstrlen,
codebase, 0, &rval) ||
! js_convertJSValueToJObject((HObject**)&ret, cx, rval,
0, 0, JS_FALSE, &cost)) {
ret = NULL;
}
do_exit:
if (!exitJS(env, self, cx, jso, &saved))
return NULL;
return ret;
#endif
}
PRBool nsJSSh::LoadURL(const char *url, jsval* retval)
{
nsCOMPtr<nsIIOService> ioserv = do_GetService(NS_IOSERVICE_CONTRACTID);
if (!ioserv) {
NS_ERROR("could not get io service");
return PR_FALSE;
}
nsCOMPtr<nsIChannel> channel;
ioserv->NewChannel(nsDependentCString(url), nsnull, nsnull, getter_AddRefs(channel));
if (!channel) {
NS_ERROR("could not create channel");
return PR_FALSE;
}
nsCOMPtr<nsIInputStream> instream;
channel->Open(getter_AddRefs(instream));
if (!instream) {
NS_ERROR("could not open stream");
return PR_FALSE;
}
nsCString buffer;
nsAutoArrayPtr<char> buf(new char[1024]);
if (!buf) {
NS_ERROR("could not alloc buffer");
return PR_FALSE;
}
PRUint32 bytesRead = 0;
do {
if (NS_FAILED(instream->Read(buf, 1024, &bytesRead))) {
NS_ERROR("stream read error");
return PR_FALSE;
}
buffer.Append(buf, bytesRead);
LOG(("appended %d bytes:\n%s", bytesRead, buffer.get()));
} while (bytesRead > 0);
LOG(("loaded %d bytes:\n%s", buffer.Length(), buffer.get()));
JS_BeginRequest(mJSContext);
JSPrincipals *jsprincipals;
mPrincipal->GetJSPrincipals(mJSContext, &jsprincipals);
if(NS_FAILED(mContextStack->Push(mJSContext))) {
NS_ERROR("failed to push the current JSContext on the nsThreadJSContextStack");
return NS_ERROR_FAILURE;
}
jsval result;
JSBool ok = JS_EvaluateScriptForPrincipals(mJSContext, mContextObj,
jsprincipals, buffer.get(),
buffer.Length(),
url, 1, &result);
JSPRINCIPALS_DROP(mJSContext, jsprincipals);
JSContext *oldcx;
mContextStack->Pop(&oldcx);
NS_ASSERTION(oldcx == mJSContext, "JS thread context push/pop mismatch");
if (ok && retval) *retval=result;
JS_EndRequest(mJSContext);
return ok;
}
