darling-cocotron/Foundation/NSCoder.m

/* Copyright (c) 2006-2007 Christopher J. W. Lloyd

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */

// Original - Christopher Lloyd <cjwl@objc.net>
#import <Foundation/NSCoder.h>
#import <Foundation/NSObjCRuntime.h>
#import <Foundation/NSRaise.h>
#include <string.h>
#include <stdio.h>

@implementation NSCoder

-(unsigned)systemVersion {
   return 0;
}

-(void)setObjectZone:(NSZone *)zone {
   // do nothing
}


-(NSZone *)objectZone {
   return NSDefaultMallocZone();
}

-(BOOL)allowsKeyedCoding {
   return NO;
}

-(void)encodeValueOfObjCType:(const char *)type at:(const void *)ptr {
   NSInvalidAbstractInvocation();
}

-(void)encodeDataObject:(NSData *)data {
   NSInvalidAbstractInvocation();
}

-(void)encodeObject:object {
   [self encodeValueOfObjCType:@encode(id) at:&object];
}


-(void)encodePropertyList:propertyList {
   [self encodeValueOfObjCType:@encode(id) at:&propertyList];
}

-(void)encodeRootObject:rootObject {
   [self encodeObject:rootObject];
}


-(void)encodeBycopyObject:object {
   [self encodeObject:object];
}

-(void)encodeByrefObject:object {
   [self encodeObject:object];
}

-(void)encodeConditionalObject:object {
   [self encodeObject:object];
}

-(void)encodeValuesOfObjCTypes:(const char *)types,... {
   const char *restTypes;
   char        typeBuf[strlen(types)+1];
   va_list     arguments;

   va_start(arguments,types);

   for(;*types!='\0';types=restTypes){
    NSUInteger tmp;
    void    *ptr;

    restTypes=NSGetSizeAndAlignment(types,&tmp,&tmp);
    strncpy(typeBuf,types,restTypes-types);
    typeBuf[restTypes-types]='\0';

    ptr=va_arg(arguments,void *);
    [self encodeValueOfObjCType:types at:ptr];
   }

   va_end(arguments);
}


- (void)encodeArrayOfObjCType:(const char *)itemType count:(NSUInteger)count at:(const void *)ptr
{
    char typeBuf[1 + sizeof(NSUInteger) * 3 + strlen(itemType) + 2];

    sprintf(typeBuf, "[" NSUIntegerFormat "%s]", count, itemType);
    [self encodeValueOfObjCType:typeBuf at:ptr];
}


- (void)encodeBytes:(const void *)byteaddr length:(NSUInteger)length
{
    char typeBuf[1 + sizeof(NSUInteger) * 3 + 1 + 1 + 1];

    sprintf(typeBuf, "[" NSUIntegerFormat "c]", length);

    [self encodeValueOfObjCType:@encode(NSUInteger) at:&length];
    [self encodeValueOfObjCType:typeBuf at:byteaddr];
}


-(void)encodePoint:(NSPoint)point {
   [self encodeValueOfObjCType:@encode(NSPoint) at:&point];
}

-(void)encodeSize:(NSSize)size {
   [self encodeValueOfObjCType:@encode(NSSize) at:&size];
}

-(void)encodeRect:(NSRect)rect {
   [self encodeValueOfObjCType:@encode(NSRect) at:&rect];
}


-(void)encodeBool:(BOOL)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(BOOL) at:&value];
}

-(void)encodeConditionalObject:object forKey:(NSString *)key {
   [self encodeConditionalObject:object];
}

-(void)encodeDouble:(double)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(double) at:&value];
}

-(void)encodeFloat:(float)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(float) at:&value];
}

-(void)encodeInt:(int)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(int) at:&value];
}

-(void)encodeObject:object forKey:(NSString *)key {
   [self encodeObject:object];
}

-(void)encodeInt32:(int32_t)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(int32_t) at:&value];
}

-(void)encodeInt64:(int64_t)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(int64_t) at:&value];
}

-(void)encodeInteger:(NSInteger)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(NSInteger) at:&value];
}

-(void)encodeBytes:(const uint8_t *)bytes length:(NSUInteger)length forKey:(NSString *)key {
   [self encodeBytes:bytes length:length];
}

-(void)encodePoint:(NSPoint)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(NSPoint) at:&value];
}

-(void)encodeRect:(NSRect)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(NSRect) at:&value];
}

-(void)encodeSize:(NSSize)value forKey:(NSString *)key {
   [self encodeValueOfObjCType:@encode(NSSize) at:&value];
}

-(void)decodeValueOfObjCType:(const char *)type at:(void *)data {
   NSInvalidAbstractInvocation();
}

-(NSData *)decodeDataObject {
   NSInvalidAbstractInvocation();
   return nil;
}

-(NSInteger)versionForClassName:(NSString *)className {
   NSInvalidAbstractInvocation();
   return 0;
}

-decodeObject {
   id object=nil;
   [self decodeValueOfObjCType:@encode(id) at:&object];
   return [object autorelease];
}


-decodePropertyList {
   id object=nil;
   [self decodeValueOfObjCType:@encode(id) at:&object];
   return [object autorelease];
}


-(void)decodeValuesOfObjCTypes:(const char *)types,... {
   const char *restTypes;
   char        typeBuf[strlen(types)+1];
   va_list     arguments;

   va_start(arguments,types);

   for(;*types!='\0';types=restTypes){
    NSUInteger tmp;
    void    *ptr;

    restTypes=NSGetSizeAndAlignment(types,&tmp,&tmp);
    strncpy(typeBuf,types,restTypes-types);
    typeBuf[restTypes-types]='\0';

    ptr=va_arg(arguments,void *);
    [self decodeValueOfObjCType:types at:ptr];
   }

   va_end(arguments);
}


- (void)decodeArrayOfObjCType:(const char *)itemType count:(NSUInteger)count at:(void *)ptr
{
    char typeBuf[1 + sizeof(NSUInteger) * 3 + strlen(itemType) + 1 + 1];

    sprintf(typeBuf, "[" NSUIntegerFormat "%s]", count, itemType);
    [self decodeValueOfObjCType:typeBuf at:ptr];
}


- (void *)decodeBytesWithReturnedLength:(NSUInteger *)lengthp
{
    char typeBuf[1 + sizeof(NSUInteger) * 3 + 3];
    void *byteaddr;

    [self decodeValueOfObjCType:@encode(NSUInteger) at:lengthp];

    byteaddr = NSZoneCalloc(NULL, *lengthp, sizeof(char));
    sprintf(typeBuf, "[" NSUIntegerFormat "c]", *lengthp);
    [self decodeValueOfObjCType:typeBuf at:byteaddr];
    return byteaddr;
}


-(NSPoint)decodePoint {
   NSPoint point;
   [self decodeValueOfObjCType:@encode(NSPoint) at:&point];
   return point;
}

-(NSSize)decodeSize {
   NSSize size;
   [self decodeValueOfObjCType:@encode(NSSize) at:&size];
   return size;
}

-(NSRect)decodeRect {
   NSRect rect;
   [self decodeValueOfObjCType:@encode(NSRect) at:&rect];
   return rect;
}

-(BOOL)containsValueForKey:(NSString *)key {
   NSInvalidAbstractInvocation();
   return NO;
}

-(const uint8_t *)decodeBytesForKey:(NSString *)key returnedLength:(NSUInteger *)lengthp {
   *lengthp=0;
   return NULL;
}

-(BOOL)decodeBoolForKey:(NSString *)key {
   BOOL result;
   [self decodeValueOfObjCType:@encode(BOOL) at:&result];
   return result;
}

-(double)decodeDoubleForKey:(NSString *)key {
   double result;
   [self decodeValueOfObjCType:@encode(double) at:&result];
   return result;
}

-(float)decodeFloatForKey:(NSString *)key {
   float result;
   [self decodeValueOfObjCType:@encode(float) at:&result];
   return result;
}

-(int)decodeIntForKey:(NSString *)key {
   int result;
   [self decodeValueOfObjCType:@encode(int) at:&result];
   return result;
}

-decodeObjectForKey:(NSString *)key {
   return [self decodeObject];
}

-(NSPoint)decodePointForKey:(NSString *)key {
   NSPoint result;
   [self decodeValueOfObjCType:@encode(NSPoint) at:&result];
   return result;
}

-(NSRect)decodeRectForKey:(NSString *)key {
   NSRect result;
   [self decodeValueOfObjCType:@encode(NSRect) at:&result];
   return result;
}

-(NSSize)decodeSizeForKey:(NSString *)key {
   NSSize result;
   [self decodeValueOfObjCType:@encode(NSSize) at:&result];
   return result;
}

-(int32_t)decodeInt32ForKey:(NSString *)key {
   int32_t result;
   [self decodeValueOfObjCType:@encode(int32_t) at:&result];
   return result;
}

-(int64_t)decodeInt64ForKey:(NSString *)key {
   int64_t result;
   [self decodeValueOfObjCType:@encode(int64_t) at:&result];
   return result;
}

-(NSInteger)decodeIntegerForKey:(NSString *)key {
   NSInteger result;
   [self decodeValueOfObjCType:@encode(NSInteger) at:&result];
   return result;
}

@end