/*

File: AStoObjC.m

Abstract: Converts AppleScript Automator Action output to SIU input

Version: 1.0

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*/

#import "AStoObjC.h"

@implementation AStoObjC

- (id)runWithInput:(id)input fromAction:(AMAction *)anAction error:(NSDictionary **)errorInfo {

    // If our input came from an AppleScript-based Automator Action, the class will be 

    // NSAppleEventDescriptor, and we need to convert it to NSObject types for System Image Utility

    if (![input isKindOfClass:[NSAppleEventDescriptor class]]) return input;

    return [self objectFromAppleEventDescriptor:(NSAppleEventDescriptor *)input];   

}

- (id)objectFromAppleEventDescriptor:(NSAppleEventDescriptor *)descriptor {

    switch ([descriptor descriptorType]) {

        case typeChar:

        case typeUnicodeText:

            return [descriptor stringValue];

        case typeAEList:

            return [self arrayFromAppleEventDescriptor:descriptor];

        case typeAERecord:

            return [self dictionaryFromAppleEventDescriptor:descriptor];

        case typeBoolean:

            return [NSNumber numberWithBool:(BOOL)[descriptor booleanValue]];

        case typeTrue:

            return [NSNumber numberWithBool:YES];

        case typeFalse:

            return [NSNumber numberWithBool:NO];

        case typeType:

            return [NSNumber numberWithUnsignedLong:(unsigned long)[descriptor typeCodeValue]];

        case typeEnumerated:

            return [NSNumber numberWithUnsignedLong:(unsigned long)[descriptor enumCodeValue]];

        case typeNull:

            return [NSNull null];

        case typeSInt16:

            return [NSNumber numberWithInt:(short)[descriptor int32Value]];

        case typeSInt32:

            return [NSNumber numberWithInt:(int)[descriptor int32Value]];

        case typeUInt32:

            return [NSNumber numberWithLong:(unsigned int)[descriptor int32Value]];

        case typeSInt64:

            return [NSNumber numberWithLong:(long)[descriptor int32Value]];

//      case typeIEEE32BitFloatingPoint:

//          return [NSNumber numberWithBytes:[[descriptor data] bytes] objCType:@encode(float)];

//      case typeIEEE64BitFloatingPoint:

//          return [NSNumber numberWithBytes:[[descriptor data] bytes] objCType:@encode(double)];

//      case type128BitFloatingPoint:

//      case typeDecimalStruct:

    }

    return [descriptor data];

}

- (NSMutableArray *)arrayFromAppleEventDescriptor:(NSAppleEventDescriptor *)descriptor { 

    unsigned int count = [descriptor numberOfItems]; 

    unsigned int i = 1; 

    NSMutableArray *myList = [NSMutableArray arrayWithCapacity:count]; 

    for (i = 1; i <= count; i++ ) { 

        id value = [self objectFromAppleEventDescriptor:[descriptor descriptorAtIndex:i]]; 

        if (value) [myList addObject:value]; 

    } 

    return myList; 

 } 

- (NSMutableDictionary *)dictionaryFromAppleEventDescriptor:(NSAppleEventDescriptor *)descriptor { 

    if (![descriptor numberOfItems]) return nil; 

    descriptor = [descriptor descriptorAtIndex:1]; 

    unsigned int count = [descriptor numberOfItems]; 

    unsigned int i = 1; 

    NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithCapacity:count]; 

    for (i = 1; i <= count; i += 2 ) { 

        NSString *key = [[descriptor descriptorAtIndex:i] stringValue]; 

        id value = [self objectFromAppleEventDescriptor:[descriptor descriptorAtIndex:(i + 1)]]; 

        if (key && value) [dict setObject:value forKey:key]; 

    } 

    return dict; 

} 

@end