gecko-dev/lib/libmocha/lm_supdt.c

235 lines
5.9 KiB
C

/* -*- 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):
*/
/*
* Sofware Update object
* This object only exists to pass the data from SoftwareUpdate trigger
* to softupdate Java class. It has a single property, src, that is read-only
* It is created as a part of the scope for softupdate
*
* Aleks Totic 3/5/97
*
*/
#include "lm.h"
/* Private object data */
typedef struct JSSoftup {
JSString * src; /* Name of the JAR file */
JSBool silent;
JSBool force;
} JSSoftup;
/* Properties */
enum su_slot {
SU_SRC = -1,
SU_SILENT = -2,
SU_FORCE = -3
};
static JSPropertySpec su_props[] = {
{ "src", SU_SRC, JSPROP_READONLY },
{ "silent", SU_SILENT, JSPROP_READONLY },
{ "force", SU_FORCE, JSPROP_READONLY },
{0}
};
/* Prototypes */
JSBool PR_CALLBACK
su_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
void PR_CALLBACK
su_finalize(JSContext *cx, JSObject *obj);
JSBool PR_CALLBACK
SoftUpdate(JSContext *cx, JSObject *obj, uint argc, jsval *argv, jsval *rval);
static JSBool
su_InitSoftUpClass( MochaDecoder * decoder, JSContext *cx );
char *
DecodeSoftUpJSArgs(const char * jsArgs, JSBool* force, JSBool* silent );
extern JSClass lm_softup_class;
/*
* su_getProperty
*
*/
JSBool PR_CALLBACK
su_getProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JSSoftup *softup;
jsint slot;
if (!JSVAL_IS_INT(id))
return JS_TRUE;
slot = JSVAL_TO_INT(id);
softup = JS_GetInstancePrivate(cx, obj, &lm_softup_class, NULL);
XP_ASSERT( softup );
if (!softup )
return JS_TRUE;
switch (slot)
{
case SU_SRC:
*vp = STRING_TO_JSVAL(softup->src);
return JS_TRUE;
case SU_SILENT:
*vp = BOOLEAN_TO_JSVAL(softup->silent);
return JS_TRUE;
case SU_FORCE:
*vp = BOOLEAN_TO_JSVAL(softup->force);
return JS_TRUE;
default:
return JS_TRUE;
}
return JS_TRUE;
}
/*
* clean up
*/
void PR_CALLBACK
su_finalize(JSContext *cx, JSObject *obj)
{
JSSoftup *softup;
softup = JS_GetPrivate(cx, obj);
if (softup)
{
JS_UnlockGCThing( cx, softup->src );
XP_FREE(softup);
}
}
/* Global, referenced in su_trigger.c to check if the object is the
correct class */
JSClass lm_softup_class = {
"SoftUpdate", JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub, su_getProperty, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, su_finalize
};
/*
* Constructor
* No one should be able to construct one of these, except as a scope object
* for softupdate.
*/
JSBool PR_CALLBACK
SoftUpdate(JSContext *cx, JSObject *obj,
uint argc, jsval *argv, jsval *rval)
{
return JS_TRUE;
}
/*
* Initialize the class
*/
static JSObject *prototype = NULL; /* Using this as a class prototype */
/* and a signal if class has been loaded */
static JSBool
su_InitSoftUpClass(MochaDecoder * decoder, JSContext *cx)
{
JSObject *prototype;
prototype = JS_InitClass( cx, /* JSContext *cx */
decoder->window_object, /* JSObject *obj */
NULL, /* decoder->event_receiver_prototype, JSObject *parent_proto */
&lm_softup_class, /* JSClass *clasp */
SoftUpdate, /* JSNative constructor */
0, /* PRUintn nargs */
su_props, /* JSPropertySpec *ps */
0, /* JSFunctionSpec *fs */
0, /* JSPropertySpec *static_ps */
0); /* JSFunctionSpec *static_fs */
if (!prototype)
return JS_FALSE;
/* JS_InitStandardClasses makes the "standard" JS functions available
if ( !JS_InitStandardClasses(cx, prototype))
return JS_FALSE;
*/ return JS_TRUE;
}
/* Decodes the JSArgs */
/* see softupdt.c, EncodeSoftUpJSArgs for info on encoding */
/* jsArgs do not have 'autoinstall:' prefix */
char *
DecodeSoftUpJSArgs(const char *jsArgs, JSBool *force, JSBool *silent )
{
char * fileName;
int32 length;
int32 fileNameLength;
*force = JS_FALSE;
*silent = JS_FALSE;
if (jsArgs == NULL)
return NULL;
length = XP_STRLEN(jsArgs);
fileNameLength = length - 4;
fileName = XP_ALLOC(fileNameLength +1);
XP_MEMCPY(fileName, jsArgs, fileNameLength);
fileName[fileNameLength] = 0;
*force = (JSBool)(jsArgs[length - 1] == 'T');
*silent = (JSBool)(jsArgs[length - 3] == 'T');
return fileName;
}
/*
* Creates a new object
* Arguments: jarargs jar: followed by name of the JAR file
*/
JSObject *
lm_NewSoftupObject( JSContext *cx, MochaDecoder *decoder, const char *jarargs )
{
JSObject * obj;
if (prototype == NULL)
{
if ( !su_InitSoftUpClass(decoder, cx ))
return NULL;
}
obj = JS_NewObject(cx, &lm_softup_class, prototype, decoder->window_object);
if ( obj )
{
JSSoftup * su;
su = XP_ALLOC (sizeof (JSSoftup));
if ( su )
{
char * fileName;
JSBool silent;
JSBool force;
fileName = DecodeSoftUpJSArgs( jarargs, &force, &silent);
su->src = JS_NewStringCopyZ(cx, fileName);
if ( fileName )
XP_FREE(fileName);
su->force = force;
su->silent = silent;
JS_LockGCThing( cx, su->src );
JS_SetPrivate( cx, obj, su );
}
}
return obj;
}