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gecko-dev/lib/libmocha/lm_url.c

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/*
* JS reflection of the current Navigator URL (Location) object.
*
* Brendan Eich, 9/8/95
*/
#include "lm.h"
#include "xp.h"
#include "net.h" /* for URL_Struct */
#include "shist.h" /* for session history stuff */
#include "structs.h" /* for MWContext */
#include "layout.h" /* included via -I../layout */
#include "mkparse.h" /* included via -I../libnet */
/* NB: these named properties use non-negative slots; code below knows that. */
/* Non-negative slots are protected by a permissions check; others aren't. */
enum url_slot {
URL_HREF, /* the entire URL as a string */
URL_PROTOCOL, /* protocol:... */
URL_HOST, /* protocol://host/... */
URL_HOSTNAME, /* protocol://hostname:... */
URL_PORT, /* protocol://hostname:port/... */
URL_PATHNAME, /* protocol://host/pathname[#?...] */
URL_HASH, /* protocol://host/pathname#hash */
URL_SEARCH, /* protocol://host/pathname?search */
URL_TARGET, /* target window or null */
URL_TEXT, /* text within A container */
URL_X = -1, /* layout X coordinate */
URL_Y = -2 /* layout Y coordinate */
};
static JSPropertySpec url_props[] = {
{"href", URL_HREF, JSPROP_ENUMERATE},
{"protocol", URL_PROTOCOL, JSPROP_ENUMERATE},
{"host", URL_HOST, JSPROP_ENUMERATE},
{"hostname", URL_HOSTNAME, JSPROP_ENUMERATE},
{"port", URL_PORT, JSPROP_ENUMERATE},
{"pathname", URL_PATHNAME, JSPROP_ENUMERATE},
{"hash", URL_HASH, JSPROP_ENUMERATE},
{"search", URL_SEARCH, JSPROP_ENUMERATE},
{"target", URL_TARGET, JSPROP_ENUMERATE},
{"text", URL_TEXT, JSPROP_ENUMERATE | JSPROP_READONLY},
{"x", URL_X, JSPROP_ENUMERATE | JSPROP_READONLY},
{"y", URL_Y, JSPROP_ENUMERATE | JSPROP_READONLY},
{0}
};
#define ParseURL(url,part) ((url) ? NET_ParseURL(url,part) : 0)
static JSBool
url_get_coord(JSContext *cx, JSURL *url, jsint slot, jsval *vp)
{
int32 coord;
LO_AnchorData *anchor_data;
MWContext *context;
LO_LockLayout();
context = url->url_decoder->window_context;
anchor_data = LO_GetLinkByIndex(context, url->layer_id, url->index);
if (anchor_data && anchor_data->element) {
switch (slot) {
case URL_X:
coord = anchor_data->element->lo_any.x;
break;
case URL_Y:
coord = anchor_data->element->lo_any.y;
break;
default:
LO_UnlockLayout();
return JS_FALSE;
}
*vp = INT_TO_JSVAL(coord);
LO_UnlockLayout();
return JS_TRUE;
}
*vp = JSVAL_NULL;
LO_UnlockLayout();
return JS_TRUE;
}
extern JSClass lm_url_class;
extern JSClass lm_location_class;
PR_STATIC_CALLBACK(JSBool)
url_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
jsval slot;
JSURL *url;
JSString * str;
char *port;
const char *cstr, *tmp;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
url = JS_GetInstancePrivate(cx, obj, &lm_url_class, NULL);
if (!url) {
url = JS_GetInstancePrivate(cx, obj, &lm_location_class, NULL);
if (!url)
return JS_TRUE;
}
str = 0;
cstr = 0;
switch (slot) {
case URL_HREF:
str = url->href;
break;
case URL_PROTOCOL:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_PROTOCOL_PART);
break;
case URL_HOST:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_HOST_PART);
break;
case URL_HOSTNAME:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_HOST_PART);
if (cstr && (port = XP_STRCHR(cstr, ':')) != 0)
*port = '\0';
break;
case URL_PORT:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_HOST_PART);
if (cstr && (port = XP_STRCHR(cstr, ':')) != 0)
port++;
else
port = "";
tmp = cstr;
cstr = JS_strdup(cx, port);
XP_FREE((void *)tmp);
break;
case URL_PATHNAME:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_PATH_PART);
break;
case URL_HASH:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_HASH_PART);
break;
case URL_SEARCH:
if (url->href)
cstr = ParseURL(JS_GetStringBytes(url->href), GET_SEARCH_PART);
break;
case URL_TARGET:
if (!url->target) {
*vp = JSVAL_NULL;
return JS_TRUE;
}
str = url->target;
break;
case URL_TEXT:
if (!url->text) {
*vp = JSVAL_NULL;
return JS_TRUE;
}
str = url->text;
break;
case URL_X:
case URL_Y:
return url_get_coord(cx, url, slot, vp);
default:
/* Don't mess with user-defined or method properties. */
return JS_TRUE;
}
if (!str && cstr)
str = JS_NewStringCopyZ(cx, cstr);
if (cstr)
XP_FREE((char *)cstr);
if (!str)
return JS_FALSE;
*vp = STRING_TO_JSVAL(str);
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
url_setProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSURL *url;
const char *href, *name, *checked_href;
char *new_href, *prop_name;
JSBool free_href;
jsval tmp;
JSString *str;
MWContext *context;
LO_AnchorData *anchor_data;
JSBool ok;
jsint slot;
url = JS_GetInstancePrivate(cx, obj, &lm_url_class, NULL);
if (!url) {
url = JS_GetInstancePrivate(cx, obj, &lm_location_class, NULL);
if (!url)
return JS_TRUE;
}
/* If the property is setting an event handler we find out now so
* that we can tell the front end to send the event.
*/
if (JSVAL_IS_STRING(id)) {
prop_name = JS_GetStringBytes(JSVAL_TO_STRING(id));
if (XP_STRCASECMP(prop_name, lm_onClick_str) == 0 ||
XP_STRCASECMP(prop_name, lm_onMouseDown_str) == 0 ||
XP_STRCASECMP(prop_name, lm_onMouseOver_str) == 0 ||
XP_STRCASECMP(prop_name, lm_onMouseOut_str) == 0 ||
XP_STRCASECMP(prop_name, lm_onMouseUp_str) == 0) {
context = url->url_decoder->window_context;
if (context) {
anchor_data = LO_GetLinkByIndex(context, url->layer_id,
url->index);
if (anchor_data)
anchor_data->event_handler_present = TRUE;
}
}
return JS_TRUE;
}
XP_ASSERT(JSVAL_IS_INT(id));
slot = JSVAL_TO_INT(id);
if (slot < 0) {
/* Don't mess with user-defined or method properties. */
return JS_TRUE;
}
if (!JSVAL_IS_STRING(*vp) &&
!JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp)) {
return JS_FALSE;
}
ok = JS_TRUE;
switch (slot) {
case URL_HREF:
url->href = JSVAL_TO_STRING(*vp);
href = JS_GetStringBytes(url->href);
free_href = JS_FALSE;
break;
case URL_PROTOCOL:
case URL_HOST:
case URL_HOSTNAME:
case URL_PORT:
case URL_PATHNAME:
case URL_HASH:
case URL_SEARCH:
/* a component property changed -- recompute href. */
new_href = NULL;
#define GET_SLOT(aslot, ptmp) { \
if (aslot == slot) { \
*(ptmp) = *vp; \
} else { \
if (!JS_GetElement(cx, obj, aslot, ptmp)) { \
if (new_href) XP_FREE(new_href); \
return JS_FALSE; \
} \
} \
}
#define ADD_SLOT(aslot, separator) { \
GET_SLOT(aslot, &tmp); \
name = JS_GetStringBytes(JSVAL_TO_STRING(tmp)); \
if (*name) { \
if (separator) StrAllocCat(new_href, separator); \
StrAllocCat(new_href, name); \
} \
}
GET_SLOT(URL_PROTOCOL, &tmp);
StrAllocCopy(new_href, JS_GetStringBytes(JSVAL_TO_STRING(tmp)));
if (slot == URL_HOST) {
ADD_SLOT(URL_HOST, "//");
} else {
ADD_SLOT(URL_HOSTNAME, "//");
ADD_SLOT(URL_PORT, ":");
}
ADD_SLOT(URL_PATHNAME, NULL);
ADD_SLOT(URL_HASH, NULL);
ADD_SLOT(URL_SEARCH, NULL);
if (!new_href) {
JS_ReportOutOfMemory(cx);
return JS_FALSE;
}
free_href = JS_TRUE;
href = new_href;
str = JS_NewStringCopyZ(cx, href);
if (!str) {
ok = JS_FALSE;
goto out;
}
url->href = str;
break;
case URL_TARGET:
url->target = JSVAL_TO_STRING(*vp);
if (url->index != URL_NOT_INDEXED) {
context = url->url_decoder->window_context;
if (context) {
anchor_data = LO_GetLinkByIndex(context, url->layer_id,
url->index);
if (anchor_data) {
name = JS_GetStringBytes(url->target);
if (!lm_CheckWindowName(cx, name))
return JS_FALSE;
if (!lm_SaveParamString(cx, &anchor_data->target, name))
return JS_FALSE;
}
}
}
/* Note early return, to bypass href update and freeing. */
return JS_TRUE;
default:
/* Don't mess with a user-defined property. */
return ok;
}
if (url->index != URL_NOT_INDEXED) {
context = url->url_decoder->window_context;
if (context) {
anchor_data = LO_GetLinkByIndex(context, url->layer_id,
url->index);
if (anchor_data) {
checked_href = lm_CheckURL(cx, href, JS_FALSE);
if (!checked_href ||
!lm_SaveParamString(cx, &anchor_data->anchor,
checked_href)) {
ok = JS_FALSE;
goto out;
}
XP_FREE((char *)checked_href);
}
}
}
out:
if (free_href && href)
XP_FREE((char *)href);
return ok;
}
PR_STATIC_CALLBACK(void)
url_finalize(JSContext *cx, JSObject *obj)
{
JSURL *url;
MochaDecoder *decoder;
MWContext *context;
LO_AnchorData *anchor_data;
url = JS_GetPrivate(cx, obj);
if (!url)
return;
decoder = url->url_decoder;
if (url->index != URL_NOT_INDEXED) {
context = decoder->window_context;
if (context) {
LO_LockLayout();
anchor_data = LO_GetLinkByIndex(context, url->layer_id,
url->index);
if (anchor_data && anchor_data->mocha_object == obj)
anchor_data->mocha_object = NULL;
LO_UnlockLayout();
}
}
DROP_BACK_COUNT(decoder);
JS_RemoveRoot(cx, &url->href);
JS_RemoveRoot(cx, &url->target);
JS_RemoveRoot(cx, &url->text);
XP_DELETE(url);
}
JSClass lm_url_class = {
"Url", JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub, url_getProperty, url_setProperty,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, url_finalize
};
PR_STATIC_CALLBACK(JSBool)
Url(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
url_toString(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
return url_getProperty(cx, obj, INT_TO_JSVAL(URL_HREF), rval);
}
static JSFunctionSpec url_methods[] = {
{lm_toString_str, url_toString, 0},
{0}
};
JSURL *
lm_NewURL(JSContext *cx, MochaDecoder *decoder, LO_AnchorData *anchor_data,
JSObject *document)
{
JSObject *obj;
JSURL *url;
JSString *str;
if (!decoder->url_prototype) {
obj = JS_InitClass(cx, decoder->window_object,
decoder->event_receiver_prototype, &lm_url_class,
Url, 0, url_props, NULL, NULL, NULL);
if (!obj)
return NULL;
decoder->url_prototype = obj;
}
url = JS_malloc(cx, sizeof *url);
if (!url)
return NULL;
XP_BZERO(url, sizeof *url);
obj = JS_NewObject(cx, &lm_url_class, decoder->url_prototype,
lm_GetOuterObject(decoder));
if (!obj || !JS_SetPrivate(cx, obj, url)) {
JS_free(cx, url);
return NULL;
}
if (!JS_DefineFunctions(cx, obj, url_methods))
return NULL;
url->url_decoder = HOLD_BACK_COUNT(decoder);
url->url_type = FORM_TYPE_NONE;
url->index = URL_NOT_INDEXED;
url->url_object = obj;
str = JS_NewStringCopyZ(cx, (char *) anchor_data->anchor);
if (!str)
return NULL;
url->href = str;
if (!JS_AddNamedRoot(cx, &url->href, "url.href"))
return NULL;
if (anchor_data->target) {
str = JS_NewStringCopyZ(cx, (char *) anchor_data->target);
if (!str)
return NULL;
url->target = str;
}
if (!JS_AddNamedRoot(cx, &url->target, "url.target"))
return NULL;
if (anchor_data->element && anchor_data->element->type == LO_TEXT) {
str = lm_LocalEncodingToStr(decoder->window_context,
(char *) anchor_data->element->lo_text.text);
if (!str)
return NULL;
url->text = str;
}
if (!JS_AddNamedRoot(cx, &url->text, "url.text"))
return NULL;
return url;
}
static const char *
get_url_string(JSContext *cx, JSObject *obj)
{
JSURL *url;
MochaDecoder *decoder;
MWContext *context;
History_entry *he;
const char *url_string;
url = JS_GetInstancePrivate(cx, obj, &lm_location_class, NULL);
if (!url)
return NULL;
decoder = url->url_decoder;
context = decoder->window_context;
if (!context)
return NULL;
he = SHIST_GetCurrent(&context->hist);
if (he) {
url_string = he->address;
if (NET_URL_Type(url_string) == WYSIWYG_TYPE_URL &&
!(url_string = LM_SkipWysiwygURLPrefix(url_string))) {
url_string = he->address;
}
return url_string;
}
return NULL;
}
/*
* Top-level window URL object, a reflection of the "Location:" GUI field.
*/
PR_STATIC_CALLBACK(JSBool)
loc_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSURL *url;
MochaDecoder *decoder;
MWContext *context;
const char *url_string;
JSString *str;
if (!JSVAL_IS_INT(id) || JSVAL_TO_INT(id) < 0)
return JS_TRUE;
url = JS_GetInstancePrivate(cx, obj, &lm_location_class, NULL);
if (!url)
return JS_TRUE;
decoder = url->url_decoder;
context = decoder->window_context;
if (!context)
return JS_TRUE;
if (context->type == MWContextMail ||
context->type == MWContextNews ||
context->type == MWContextMailMsg ||
context->type == MWContextNewsMsg) {
/*
* Don't give out the location of a the mail folder to a script
* embedded in a mail message. Just return the empty string.
*/
url->href = JSVAL_TO_STRING(JS_GetEmptyStringValue(cx));
} else {
/*
* Only need to check permissions for native getters
*/
if (!lm_CheckPermissions(cx, obj, JSTARGET_UNIVERSAL_BROWSER_READ))
return JS_FALSE;
url_string = get_url_string(cx, obj);
if (url_string && (!url->href || XP_STRCMP(JS_GetStringBytes(url->href),
url_string) != 0))
{
str = JS_NewStringCopyZ(cx, url_string);
if (!str)
return JS_FALSE;
url->href = str;
}
}
return url_getProperty(cx, obj, id, vp);
}
void
lm_ReplaceURL(MWContext *context, URL_Struct *url_struct)
{
History_entry *he;
he = SHIST_GetCurrent(&context->hist);
if (!he)
return;
he->history_num = SHIST_GetIndex(&context->hist, he);
he->replace = TRUE;
url_struct->history_num = he->history_num;
}
JSBool
lm_GetURL(JSContext *cx, MochaDecoder *decoder, URL_Struct *url_struct)
{
MWContext *context;
context = decoder->window_context;
if (!context) {
NET_FreeURLStruct(url_struct);
return JS_TRUE;
}
if (decoder->replace_location) {
decoder->replace_location = JS_FALSE;
lm_ReplaceURL(context, url_struct);
}
ET_PostGetUrl(context, url_struct);
return JS_TRUE;
}
const char *
lm_CheckURL(JSContext *cx, const char *url_string, JSBool checkFile)
{
char *protocol, *absolute;
JSObject *obj;
MochaDecoder *decoder;
protocol = NET_ParseURL(url_string, GET_PROTOCOL_PART);
if (!protocol || *protocol == '\0' || XP_STRCHR(protocol, '?')) {
lo_TopState *top_state;
obj = JS_GetGlobalObject(cx);
decoder = JS_GetPrivate(cx, obj);
LO_LockLayout();
top_state = lo_GetMochaTopState(decoder->window_context);
if (top_state && top_state->base_url) {
absolute = NET_MakeAbsoluteURL(top_state->base_url,
(char *)url_string); /*XXX*/
/*
* Temporarily unlock layout so that we don't hold the lock
* across a call (lm_CheckPermissions) that may result in
* synchronous event handling.
*/
LO_UnlockLayout();
if (!lm_CheckPermissions(cx, obj,
JSTARGET_UNIVERSAL_BROWSER_READ))
{
/* Don't leak information about the url of this page. */
XP_FREEIF(absolute);
return NULL;
}
LO_LockLayout();
} else {
absolute = NULL;
}
if (absolute) {
if (protocol) XP_FREE(protocol);
protocol = NET_ParseURL(absolute, GET_PROTOCOL_PART);
}
LO_UnlockLayout();
} else {
absolute = JS_strdup(cx, url_string);
if (!absolute) {
XP_FREE(protocol);
return NULL;
}
decoder = NULL;
}
if (absolute) {
/* Make sure it's a safe URL type. */
switch (NET_URL_Type(protocol)) {
case FILE_TYPE_URL:
if (checkFile) {
const char *subjectOrigin = lm_GetSubjectOriginURL(cx);
if (subjectOrigin == NULL) {
XP_FREE(protocol);
return NULL;
}
if (NET_URL_Type(subjectOrigin) != FILE_TYPE_URL &&
!lm_CanAccessTarget(cx, JSTARGET_UNIVERSAL_FILE_READ))
{
XP_FREE(absolute);
absolute = NULL;
}
}
break;
case FTP_TYPE_URL:
case GOPHER_TYPE_URL:
case HTTP_TYPE_URL:
case MAILTO_TYPE_URL:
case NEWS_TYPE_URL:
case RLOGIN_TYPE_URL:
case TELNET_TYPE_URL:
case TN3270_TYPE_URL:
case WAIS_TYPE_URL:
case SECURE_HTTP_TYPE_URL:
case URN_TYPE_URL:
case NFS_TYPE_URL:
case MOCHA_TYPE_URL:
case VIEW_SOURCE_TYPE_URL:
case NETHELP_TYPE_URL:
case WYSIWYG_TYPE_URL:
case LDAP_TYPE_URL:
#ifdef JAVA
case MARIMBA_TYPE_URL:
#endif
/* These are "safe". */
break;
case ABOUT_TYPE_URL:
if (XP_STRCASECMP(absolute, "about:blank") == 0)
break;
if (XP_STRNCASECMP(absolute, "about:pics", 10) == 0)
break;
/* these are OK if we are signed */
if (lm_CanAccessTarget(cx, JSTARGET_UNIVERSAL_BROWSER_READ))
break;
/* FALL THROUGH */
default:
/* All others are naughty. */
XP_FREE(absolute);
absolute = NULL;
break;
}
}
if (!absolute) {
JS_ReportError(cx, "illegal URL method '%s'",
protocol && *protocol ? protocol : url_string);
}
if (protocol)
XP_FREE(protocol);
return absolute;
}
static JSBool
url_load(JSContext *cx, JSObject *obj, const char *url_string,
NET_ReloadMethod reload_how)
{
JSURL *url;
URL_Struct *url_struct;
const char *referer;
url = JS_GetPrivate(cx, obj);
if (!url)
return JS_TRUE;
url_struct = NET_CreateURLStruct(url_string, reload_how);
if (!url_struct) {
JS_ReportOutOfMemory(cx);
return JS_FALSE;
}
if (!(referer = lm_GetSubjectOriginURL(cx)) ||
!(url_struct->referer = JS_strdup(cx, referer))) {
NET_FreeURLStruct(url_struct);
return JS_FALSE;
}
return lm_GetURL(cx, url->url_decoder, url_struct);
}
PR_STATIC_CALLBACK(JSBool)
loc_setProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
const char *url_string;
JSString *str;
jsval val;
jsint slot;
JSURL *url;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
/* Setting these properties should not cause a FE_GetURL. */
if (slot < 0 || slot == URL_TARGET)
return url_setProperty(cx, obj, id, vp);
/* Make sure vp is a string. */
if (!JSVAL_IS_STRING(*vp) &&
!JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp)) {
return JS_FALSE;
}
/* Two cases: setting href vs. setting a component property. */
if (slot == URL_HREF || slot == URL_PROTOCOL) {
/* Make sure the URL is absolute and sanity-check its protocol. */
url_string = JS_GetStringBytes(JSVAL_TO_STRING(*vp));
url_string = lm_CheckURL(cx, url_string, JS_TRUE);
if (!url_string)
return JS_FALSE;
str = JS_NewStringCopyZ(cx, url_string);
XP_FREE((char *)url_string);
if (!str)
return JS_FALSE;
val = STRING_TO_JSVAL(str);
vp = &val;
} else {
/* Get href from session history before setting a piece of it. */
if (!loc_getProperty(cx, obj, INT_TO_JSVAL(URL_HREF), &val))
return JS_FALSE;
}
/* Set slot's property. */
if (!url_setProperty(cx, obj, id, vp))
return JS_FALSE;
url = JS_GetPrivate(cx, obj);
if (!url)
return JS_TRUE;
if (url->href)
url_string = JS_GetStringBytes(url->href);
else
url_string = "";
return url_load(cx, obj, url_string, NET_DONT_RELOAD);
}
JSClass lm_location_class = {
"Location", JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub, loc_getProperty, loc_setProperty,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, url_finalize
};
PR_STATIC_CALLBACK(JSBool)
Location(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
loc_toString(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
return loc_getProperty(cx, obj, INT_TO_JSVAL(URL_HREF), rval);
}
PR_STATIC_CALLBACK(JSBool)
loc_assign(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSURL *url;
jsval v;
JSObject *locobj;
if (!JS_InstanceOf(cx, obj, &lm_location_class, NULL)) {
if(!JS_LookupProperty(cx, obj, lm_location_str, &v)) {
return JS_FALSE;
}
if(!JSVAL_IS_OBJECT(v) || !JSVAL_TO_OBJECT(v)) {
return JS_TRUE;
}
locobj = JSVAL_TO_OBJECT(v);
} else {
locobj = obj;
}
if (!(url = JS_GetInstancePrivate(cx, locobj, &lm_location_class, NULL)))
return JS_FALSE;
if (!loc_setProperty(cx, locobj, INT_TO_JSVAL(URL_HREF), vp))
return JS_FALSE;
*vp = OBJECT_TO_JSVAL(url->url_object);
return JS_TRUE;
}
PR_STATIC_CALLBACK(JSBool)
loc_reload(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
if (!JS_InstanceOf(cx, obj, &lm_location_class, argv))
return JS_FALSE;
return url_load(cx, obj, get_url_string(cx, obj),
(JSVAL_IS_BOOLEAN(argv[0]) && JSVAL_TO_BOOLEAN(argv[0]))
? NET_SUPER_RELOAD
: NET_NORMAL_RELOAD);
}
PR_STATIC_CALLBACK(JSBool)
loc_replace(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
JSURL *url;
JSBool ans;
if (!(url = JS_GetInstancePrivate(cx, obj, &lm_location_class, argv)))
return JS_FALSE;
url->url_decoder->replace_location = JS_TRUE;
/* Note: loc_assign ignores the id in favor of its own id anyway */
ans = loc_assign(cx, obj, 0, argv);
*rval = *argv;
return ans;
}
static JSFunctionSpec loc_methods[] = {
{lm_toString_str, loc_toString, 0},
{lm_reload_str, loc_reload, 1},
{lm_replace_str, loc_replace, 1},
{0}
};
JSObject *
lm_DefineLocation(MochaDecoder *decoder)
{
JSObject *obj;
JSContext *cx;
JSURL *url;
obj = decoder->location;
if (obj)
return obj;
cx = decoder->js_context;
url = JS_malloc(cx, sizeof *url);
if (!url)
return NULL;
XP_BZERO(url, sizeof *url);
obj = JS_InitClass(cx, decoder->window_object, NULL, &lm_location_class,
Location, 0, url_props, loc_methods, NULL, NULL);
if (!obj || !JS_SetPrivate(cx, obj, url)) {
JS_free(cx, url);
return NULL;
}
/* XXX common subroutine this and above with lm_NewURL */
if (!JS_AddNamedRoot(cx, &url->href, "loc.text"))
return NULL;
if (!JS_AddNamedRoot(cx, &url->target, "loc.target"))
return NULL;
if (!JS_AddNamedRoot(cx, &url->text, "loc.text"))
return NULL;
if (!JS_DefineProperty(cx, decoder->window_object, lm_location_str,
OBJECT_TO_JSVAL(obj), NULL, loc_assign,
JSPROP_ENUMERATE | JSPROP_PERMANENT)) {
return NULL;
}
if (!JS_DefineProperty(cx, decoder->document, lm_location_str,
OBJECT_TO_JSVAL(obj), NULL, loc_assign,
JSPROP_ENUMERATE | JSPROP_PERMANENT)) {
return NULL;
}
/* Define the Location object (the current URL). */
url->url_decoder = HOLD_BACK_COUNT(decoder);
url->url_type = FORM_TYPE_NONE;
url->url_object = obj;
url->index = URL_NOT_INDEXED;
decoder->location = obj;
return obj;
}
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