/*

    File:       MyScriptsGlue.c

    Description:

    routines providing the c glue code for calling the AppleScripts

    defined in the file AddOnScripts.applescript.  The routines in this

    file are constructed to provide an interface between your

    application and the scripts defined in AddOnScripts.applescript.  Though

    the scripts themselves may be changed dramatically for different purposes,

    requirements, and server applications that are called by the scripts, there

    is no need to change any of the routines defined in this file (unless, of

    course, you're adding new ones or additional functionality).

    Author:     JM

    Copyright:  Copyright (c) 2003 Apple Computer, Inc. All rights reserved.

    Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.

                ("Apple") in consideration of your agreement to the following terms, and your

                use, installation, modification or redistribution of this Apple software

                constitutes acceptance of these terms.  If you do not agree with these terms,

                please do not use, install, modify or redistribute this Apple software.

                In consideration of your agreement to abide by the following terms, and subject

                to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs

                copyrights in this original Apple software (the "Apple Software"), to use,

                reproduce, modify and redistribute the Apple Software, with or without

                modifications, in source and/or binary forms; provided that if you redistribute

                the Apple Software in its entirety and without modifications, you must retain

                this notice and the following text and disclaimers in all such redistributions of

                the Apple Software.  Neither the name, trademarks, service marks or logos of

                Apple Computer, Inc. may be used to endorse or promote products derived from the

                Apple Software without specific prior written permission from Apple.  Except as

                expressly stated in this notice, no other rights or licenses, express or implied,

                are granted by Apple herein, including but not limited to any patent rights that

                may be infringed by your derivative works or by other works in which the Apple

                Software may be incorporated.

                The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO

                WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED

                WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR

                PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN

                COMBINATION WITH YOUR PRODUCTS.

                IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR

                CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE

                GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

                ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION

                OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT

                (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN

                ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    Change History (most recent first):

        Fri, Aug 29, 2000 -- created

*/

#include "MyScriptsGlue.h"

#include "ScriptSupport.h"

    /* we store our persistent state for routines defined in

    this file in a global variable. */

LoadedScriptInfoPtr gScriptsInfo = NULL;

OSStatus OpenMyScriptsGlue(void) {

    return LoadCompiledScript(CFSTR("AddOnScripts"), &gScriptsInfo);

}

OSStatus CloseMyScriptsGlue(void) {

    UnloadCompiledScript( gScriptsInfo );

    gScriptsInfo = NULL;

    return noErr;

}

    /* script_callnamedhandler is the c glue code for the simple handlers with no

    parameters in the script file:

        on handlername()

            ....

            return "optional result"

        end handlername

    set theResult to NULL if you're not interested in receiving a result back from

    the handler. 

    */

OSStatus script_callnamedhandler(char* handlername, AEDesc *theResult) {

    OSStatus err;

    AEDescList theParameters;

        /* set up our parameter list for the subroutine, none in this case */

    err = AEBuildDesc( &theParameters, NULL, "[]");

    if ( noErr == err ) {

            /* call the subroutine */

        err = CallScriptSubroutine( gScriptsInfo, handlername, &theParameters, theResult, NULL );

            /* clean up storage allocated for parameters */

        AEDisposeDesc(&theParameters);

    }

    return err;

}

    /* script_selectfile is the c glue code for the following script in

    our scripts file:

        on selectfile()

            set x to choose file

            return x

        end selectfile

     */

OSStatus script_selectfile(CFStringRef thePromptText, AliasHandle *theFile) {

    OSStatus err;

    AEDesc theFileDesc, thePrompt;

    AEDescList theParameters;

        /* convert the message string into a unicode AEDesc record */

    err = CFStringToAEDesc( thePromptText, &thePrompt );

    if ( noErr == err ) {

            /* set up our parameter list for the subroutine */

        err = AEBuildDesc( &theParameters, NULL, "[@]", &thePrompt);

        if ( noErr == err ) {

                /* call the subroutine */

            err = CallScriptSubroutine( gScriptsInfo, "selectfile", &theParameters, &theFileDesc, NULL );

            if ( noErr == err ) {

                    /* extract the file reference from the result */

                AliasHandle localAlias;

                err = AEDescToAlias( &theFileDesc, &localAlias);

                if ( noErr == err ) {

                        /* save the result */

                    *theFile = localAlias;

                }

                AEDisposeDesc(&theFileDesc);

            }

                /* clean up storage allocated for parameters */

            AEDisposeDesc(&theParameters);

        }

            /* clean up storage allocated for the prompt */

        AEDisposeDesc(&thePrompt);

    }

    return err;

}

    /* script_displayfile is the c glue code for the following script in

    our scripts file:

        on displayfile(theFile)

            ignoring application responses

                tell application "Finder"

                    activate

                    select theFile

                end tell

            end ignoring

        end displayfile

    Of interest here is the 'ignoring application responses' block.   Essentially,

    that means that this script will complete and return possibly before the finder

    has completed displaying the file.  In cases where you don't need a result right

    away, this can be useful to speed things up because your app doesn't need to 

    wait for other apps to finish what you're asking them to do. 

    */

OSStatus script_displayfile(AliasHandle targetFile) {

    OSStatus err;

    AEDescList theParameters;

        /* set up our parameter list for the subroutine */

    err = AEBuildDesc( &theParameters, NULL, "[alis(@@)]", targetFile);

    if ( noErr == err ) {

            /* call the subroutine */

        err = CallScriptSubroutine( gScriptsInfo, "displayfile", &theParameters, NULL, NULL );

            /* clean up storage allocated for parameters */

        AEDisposeDesc(&theParameters);

    }

    return err;

}

    /* script_getfolderItems is the c glue code for the following script in

    our scripts file:

        on getfolderitems(promptstring)

            set theFolder to choose folder with prompt promptstring

            set folderPath to theFolder as string

            set folderItems to list folder theFolder

            set theList to {}

            repeat with i in folderItems

                set nthName to i as string

                if nthName does not start with "." then

                    set nthItem to {nthName, (folderPath & nthName) as alias}

                    copy nthItem to the end of theList

                end if

            end repeat

            return theList

        end getfolderItems

    */

OSStatus script_getfolderitems(CFStringRef thePromptText, AEDescList *itemsList) {

    OSStatus err;

    AEDesc thePrompt;

    AEDescList theParameters;

        /* convert the message string into a unicode AEDesc record */

    err = CFStringToAEDesc( thePromptText, &thePrompt );

    if ( noErr == err ) {

            /* set up our parameter list for the subroutine */

        err = AEBuildDesc( &theParameters, NULL, "[@]", &thePrompt);

        if ( noErr == err ) {

                /* call the subroutine */

            err = CallScriptSubroutine( gScriptsInfo, "getfolderitems", &theParameters, itemsList, NULL );

                /* clean up storage allocated for parameters */

            AEDisposeDesc(&theParameters);

        }

            /* clean up storage allocated for the prompt */

        AEDisposeDesc(&thePrompt);

    }

    return err;

}

    /* script_displaymessage is the c glue code for the following script in

    our scripts file:

        on displaystring(message)

            display dialog message

        end displaystring

     */

OSStatus script_displaymessage(CFStringRef theMessageText) {

    OSStatus err;

    AEDescList theParameters;

    AEDesc theMessage;

        /* convert the message string into a unicode AEDesc record */

    err = CFStringToAEDesc( theMessageText, &theMessage );

    if ( noErr == err ) {

            /* set up our parameter list for the subroutine */

        err = AEBuildDesc( &theParameters, NULL, "[@]", &theMessage);

        if ( noErr == err ) {

                /* call the subroutine */

            err = CallScriptSubroutine( gScriptsInfo, "displaystring", &theParameters, NULL, NULL );

                /* clean up storage allocated for parameters */

            AEDisposeDesc(&theParameters);

        }

            /* clean up storage allocated for the message string */

        AEDisposeDesc(&theMessage);

    }

    return err;

}

    /* script_filetostring is the c glue code for the following script in

    our scripts file:

        on filetostring(theFile)

            return (theFile as string)

        end filetostring

     */

OSStatus script_filetostring(AliasHandle targetFile, CFStringRef *theFileString) {

    OSStatus err;

    AEDescList theParameters;

    AEDesc theString;

    CFStringRef localString;

        /* set up our parameter list for the subroutine */

    err = AEBuildDesc( &theParameters, NULL, "[alis(@@)]", targetFile);

    if ( noErr == err ) {

            /* call the subroutine */

        err = CallScriptSubroutine( gScriptsInfo, "filetostring", &theParameters, &theString, NULL );

        if ( noErr == err ) {

                /* get the comment text from the result */

            err = AEDescToCFString( &theString, &localString );

            if ( noErr == err ) {

                    /* store our result */

                *theFileString = localString;

            }

                /* clean up storage returned for the comment */

            AEDisposeDesc(&theString);

        }

            /* clean up storage allocated for parameters */

        AEDisposeDesc(&theParameters);

    }

    return err;

}

    /* script_getfilecomment is the c glue code for the following script in

    our scripts file:

        on getfilecomment(theFile)

            tell application "Finder"

                set x to comment of theFile

            end tell

            return x

        end getfilecomment

     */

OSStatus script_getfilecomment(AliasHandle targetFile, CFStringRef *theFileComment) {

    OSStatus err;

    AEDescList theParameters;

    AEDesc theComment;

    CFStringRef localCommentText;

        /* set up our parameter list for the subroutine */

    err = AEBuildDesc( &theParameters, NULL, "[alis(@@)]", targetFile);

    if ( noErr == err ) {

            /* call the subroutine */

        err = CallScriptSubroutine( gScriptsInfo, "getfilecomment", &theParameters, &theComment, NULL );

        if ( noErr == err ) {

                /* get the comment text from the result */

            err = AEDescToCFString( &theComment, &localCommentText );

            if ( noErr == err ) {

                    /* store our result */

                *theFileComment = localCommentText;

            }

                /* clean up storage returned for the comment */

            AEDisposeDesc(&theComment);

        }

            /* clean up storage allocated for parameters */

        AEDisposeDesc(&theParameters);

    }

    return err;

}

    /* script_setfilecomment is the c glue code for the following script in

    our scripts file:

        on setfilecomment(theFile, thecomment)

            tell application "Finder"

                set (comment of theFile) to thecomment

            end tell

            return thecomment

        end setfilecomment

     */

OSStatus script_setfilecomment(AliasHandle targetFile, CFStringRef theFileComment) {

    OSStatus err;

    AEDescList theParameters;

    AEDesc theComment;

        /* convert the message string into an AEDesc for use as a parameter */

    err = CFStringToAEDesc( theFileComment, &theComment );

    if ( noErr == err ) {

            /* set up our parameter list for the subroutine */

        err = AEBuildDesc( &theParameters, NULL, "[alis(@@),@]", targetFile, &theComment);

        if ( noErr == err ) {

                /* call the subroutine */

            err = CallScriptSubroutine( gScriptsInfo, "setfilecomment", &theParameters, NULL, NULL );

                /* clean up storage allocated for parameters */

            AEDisposeDesc(&theParameters);

        }

            /* clean up storage allocated for the comment text string */

        AEDisposeDesc(&theComment);

    }

    return err;

}