On 20 kvě, 16:12, Leigh McRae <[email protected]> wrote:
> On 5/19/2010 11:49 PM, Xavier Ducrohet wrote:
> First the OP didn't talk about using a preprocessor for xml. I would
> agree that that would be odd and there are better tools for that. Still
> a preprocessor could be used to conditionally include a resource by id.
> How about I give you some concrete examples and you can help me see the
> light?
>
> ----------------------------------------
> Example 1
> ----------------------------------------
> //#if BETA
> if ( hasBetaExpired() )
> System.exit( 0 )
> //#endif
> ----------------------------------------
> Example 2
> ----------------------------------------
> public final class Assert
> {
> public static final void RIP( final String msg )
> {
> //#if BETA
> sendReport( msg );
> //#endif
> System.exit( 0 );
> }}
>
> ----------------------------------------
> Example 3
> ----------------------------------------
> public class Debug
> {
> void Println( String msg )
> {
> //#if !RELEASE
> Log.d( TAG, msg );
> //#endif
> }}
>
> ----------------------------------------
> Example 4
> ----------------------------------------
> //#if PLATFORM_BLACKBERRY
> //@ omega = (float)MathUtilities.acos( cosom );
> //#else
> omega = (float)java.lang.Math.acos( cosom );
> //#endif
> ----------------------------------------
> Example 5
> ----------------------------------------
> public static final float VecToHeading( float x, float y )
> {
> //#if PLATFORM_BLACKBERRY
> //@ float fAngle = ((float)Fixed32.atand2( (int)(x * 65536.0f),
> (int)(y * 65536.0f) )) / 65536.0f;
> //#else
> float fAngle = ((float)Math.atan2( x, y )) *
> 57.295779513082320876798154814105f;
> //#endif
> if ( fAngle< 0.0f )
> return fAngle + 360.0f;
>
> return fAngle;
>
> }
Leigh,
have you ever heard about design patterns? Eg. strategy IMHO can solve
all your requests.
Tom
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