Jsbool Js_Valuetodouble(); Jsbool Js_Valuetoboolean(); Jsbool Js_Valuetoobject() - MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Manual

JSBool JS_ValueToDouble()

Description
This function extracts a function argument from a
possible), and passes the converted value back to the caller.
Arguments
JSContext *cx
•
The argument is the opaque
cx
•
The argument is the
v
•
The argument is a pointer to an 8-byte double. This function stores the converted value
dp
in .
*dp
Returns
A Boolean value:

JSBool JS_ValueToBoolean()

Description
This function extracts a function argument from a
(if possible), and passes the converted value back to the caller.
Arguments
JSContext *cx
•
The argument is the opaque
cx
•
The argument is the
v
•
The argument is a pointer to a
bp
value in .
*bp
Returns
A Boolean value:

JSBool JS_ValueToObject()

Description
This function extracts a function argument from a
possible), and passes the converted value back to the caller. If the object is an array, use
JS_GetArrayLength()
Arguments
JSContext *cx
•
The argument is the opaque
cx
•
The argument is the
v
•
The argument is a pointer to a
op
in .
*op
358 Chapter 21: C-Level Extensibility
, ,
jsval v double *dp
JSContext
structure from which the double is to be extracted.
jsval
indicates success;
JS_TRUE
, ,
jsval v JSBool *bp
JSContext
structure from which the Boolean value is to be extracted.
jsval
JSBool
indicates success;
JS_TRUE
and
JS_GetElement()
, ,
jsval v JSObject **op
JSContext
structure from which the object is to be extracted.
jsval
JSObject
structure, converts it to a double (if
jsval
pointer that passed to the JavaScript function.
indicates failure.
JS_FALSE
structure, converts it to a Boolean value
jsval
pointer that passes to the JavaScript function.
Boolean value. This function stores the converted
indicates failure.
JS_FALSE
structure, converts it to an object (if
jsval
to read its contents.
pointer that passes to the JavaScript function.
pointer. This function stores the converted value