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//
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// CollectionUtils.m
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// MYUtilities
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//
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// Created by Jens Alfke on 1/5/08.
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// Copyright 2008 Jens Alfke. All rights reserved.
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//
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#import "CollectionUtils.h"
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#import "Test.h"
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NSDictionary* _dictof(const struct _dictpair* pairs, size_t count)
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{
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CAssert(count<10000);
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id objects[count], keys[count];
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size_t n = 0;
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for( size_t i=0; i<count; i++,pairs++ ) {
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if( pairs->value ) {
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objects[n] = pairs->value;
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keys[n] = pairs->key;
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n++;
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}
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}
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return [NSDictionary dictionaryWithObjects: objects forKeys: keys count: n];
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}
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NSMutableDictionary* _mdictof(const struct _dictpair* pairs, size_t count)
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{
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CAssert(count<10000);
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id objects[count], keys[count];
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size_t n = 0;
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for( size_t i=0; i<count; i++,pairs++ ) {
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if( pairs->value ) {
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objects[n] = pairs->value;
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keys[n] = pairs->key;
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n++;
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}
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}
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return [NSMutableDictionary dictionaryWithObjects: objects forKeys: keys count: n];
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}
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BOOL $equal(id obj1, id obj2) // Like -isEqual: but works even if either/both are nil
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{
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if( obj1 )
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return obj2 && [obj1 isEqual: obj2];
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else
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return obj2==nil;
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}
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NSValue* _box(const void *value, const char *encoding)
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{
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// file:///Developer/Documentation/DocSets/com.apple.ADC_Reference_Library.DeveloperTools.docset/Contents/Resources/Documents/documentation/DeveloperTools/gcc-4.0.1/gcc/Type-encoding.html
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char e = encoding[0];
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if( e=='r' ) // ignore 'const' modifier
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e = encoding[1];
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switch( e ) {
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case 'c': return [NSNumber numberWithChar: *(char*)value];
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case 'C': return [NSNumber numberWithUnsignedChar: *(char*)value];
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case 's': return [NSNumber numberWithShort: *(short*)value];
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case 'S': return [NSNumber numberWithUnsignedShort: *(unsigned short*)value];
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case 'i': return [NSNumber numberWithInt: *(int*)value];
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case 'I': return [NSNumber numberWithUnsignedInt: *(unsigned int*)value];
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case 'l': return [NSNumber numberWithLong: *(long*)value];
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case 'L': return [NSNumber numberWithUnsignedLong: *(unsigned long*)value];
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case 'q': return [NSNumber numberWithLongLong: *(long long*)value];
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case 'Q': return [NSNumber numberWithUnsignedLongLong: *(unsigned long long*)value];
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case 'f': return [NSNumber numberWithFloat: *(float*)value];
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case 'd': return [NSNumber numberWithDouble: *(double*)value];
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case '*': return [NSString stringWithUTF8String: *(char**)value];
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case '@': return *(id*)value;
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default: return [NSValue value: value withObjCType: encoding];
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}
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}
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id _cast( Class requiredClass, id object )
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{
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if( object && ! [object isKindOfClass: requiredClass] )
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[NSException raise: NSInvalidArgumentException format: @"%@ required, but got %@ %p",
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requiredClass,[object class],object];
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return object;
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}
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id _castNotNil( Class requiredClass, id object )
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{
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if( ! [object isKindOfClass: requiredClass] )
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[NSException raise: NSInvalidArgumentException format: @"%@ required, but got %@ %p",
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requiredClass,[object class],object];
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return object;
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}
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id _castIf( Class requiredClass, id object )
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{
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if( object && ! [object isKindOfClass: requiredClass] )
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object = nil;
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return object;
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}
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NSArray* _castArrayOf(Class itemClass, NSArray *a)
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{
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id item;
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foreach( item, $cast(NSArray,a) )
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_cast(itemClass,item);
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return a;
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}
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void setObj( id *var, id value )
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{
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if( value != *var ) {
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[*var release];
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*var = [value retain];
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}
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}
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BOOL ifSetObj( id *var, id value )
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{
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if( value != *var && ![value isEqual: *var] ) {
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[*var release];
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*var = [value retain];
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return YES;
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} else {
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return NO;
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}
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}
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void setString( NSString **var, NSString *value )
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{
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if( value != *var ) {
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[*var release];
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*var = [value copy];
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}
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}
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BOOL ifSetString( NSString **var, NSString *value )
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{
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if( value != *var && ![value isEqualToString: *var] ) {
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[*var release];
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*var = [value copy];
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return YES;
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} else {
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return NO;
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}
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}
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@implementation NSArray (MYUtils)
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- (BOOL) my_containsObjectIdenticalTo: (id)object
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{
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return [self indexOfObjectIdenticalTo: object] != NSNotFound;
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}
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@end
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#import "Test.h"
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TestCase(CollectionUtils) {
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NSArray *a = $array(@"foo",@"bar",@"baz");
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//Log(@"a = %@",a);
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NSArray *aa = [NSArray arrayWithObjects: @"foo",@"bar",@"baz",nil];
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CAssertEqual(a,aa);
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const char *cstr = "a C string";
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id o = $object(cstr);
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//Log(@"o = %@",o);
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CAssertEqual(o,@"a C string");
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NSDictionary *d = $dict({@"int", $object(1)},
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{@"double", $object(-1.1)},
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{@"char", $object('x')},
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{@"ulong", $object(1234567UL)},
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{@"longlong",$object(987654321LL)},
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{@"cstr", $object(cstr)});
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//Log(@"d = %@",d);
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NSDictionary *dd = [NSDictionary dictionaryWithObjectsAndKeys:
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[NSNumber numberWithInt: 1], @"int",
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[NSNumber numberWithDouble: -1.1], @"double",
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[NSNumber numberWithChar: 'x'], @"char",
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[NSNumber numberWithUnsignedLong: 1234567UL], @"ulong",
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[NSNumber numberWithDouble: 987654321LL], @"longlong",
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@"a C string", @"cstr",
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nil];
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CAssertEqual(d,dd);
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}
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