2009/12/27 [email protected] <[email protected]>:
> This is my idea for an easy mapping concept:
>
> First Example:
>
> this.__defineGetter__("modus", function() {
> return !gui.hidden;
> });
> this.__defineSetter__("modus", function(modus) {
> return gui.hidden = !modus;
> });
>
> will be turned into:
>
> this.modus := function() { return !gui.hidden }
>
> Second Example:
>
> this.__defineGetter__("input", function() {
> if (modus === true)
Is modus a global variable or does it bear any relation to this.modus
defined above?
> return gui.input;
> else
> return gui.placeholder_input;
> });
> this.__defineSetter__("input", function(input) {
> if (modus === true)
> return gui.input = input;
> else
> return gui.placeholder_input = input;
> });
>
> will be turned into:
>
> this.input := function() {
> if (modus === true)
> return gui.input;
> else
> return gui.placeholder_input;
> }
>
> Third Example:
>
> this.__defineGetter__("name", function() {
> return "Bob";
> });
> this.__defineSetter__("name", function(newName) {
> return "Bob"; // ignore newName
> });
>
> will be turned into
>
> this.name := function() { return "Bob"; }
>
> There also be the easier way:
>
> this.name := "Bob";
>
> You could also write:
>
> let name = "Bob";
> this.name := name;
>
> Note that
> this.name := firstname + surname;
> and
> this.name := function() { return firstname + sirname; }
> are NOT equivalent. In the first example the operator will be executed
> one time when the interpreter reads this line, in the second example
> the function will always be called if you want to get or set
> this.name. Note that 'this.name' and 'this.name="abc"' are equivalent
> after you wrote the mentionend line. This is only a side-effect. The
> real features are "dynamic references" and "references to primitive
> data types".
>
> dynamic references:
> You can get another reference each time you get or set the object
>
> references to primitive data types:
> You can set an real reference to a String or a Number
>
> These are all features important to API mapping.
Can't they be achieved with a library function
mapApi(xform, source, sourcePropertyName, target, targetPropertyName)
?
> _______________________________________________
> es-discuss mailing list
> [email protected]
> https://mail.mozilla.org/listinfo/es-discuss
>
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