SameBoy/HexFiend/HFStringEncodingTextRepresenter.m

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//
// HFASCIITextRepresenter.m
// HexFiend_2
//
// Copyright 2007 ridiculous_fish. All rights reserved.
//
#import <HexFiend/HFStringEncodingTextRepresenter.h>
#import <HexFiend/HFRepresenterStringEncodingTextView.h>
#import <HexFiend/HFPasteboardOwner.h>
@interface HFStringEncodingPasteboardOwner : HFPasteboardOwner {
NSStringEncoding encoding;
}
@property (nonatomic) NSStringEncoding encoding;
@end
@implementation HFStringEncodingPasteboardOwner
- (void)setEncoding:(NSStringEncoding)val { encoding = val; }
- (NSStringEncoding)encoding { return encoding; }
- (void)writeDataInBackgroundToPasteboard:(NSPasteboard *)pboard ofLength:(unsigned long long)length forType:(NSString *)type trackingProgress:(id)tracker {
HFASSERT([type isEqual:NSStringPboardType]);
HFByteArray *byteArray = [self byteArray];
HFASSERT(length <= NSUIntegerMax);
NSUInteger dataLength = ll2l(length);
NSUInteger stringLength = dataLength;
NSUInteger offset = 0, remaining = dataLength;
unsigned char * restrict const stringBuffer = check_malloc(stringLength);
while (remaining > 0) {
NSUInteger amountToCopy = MIN(32u * 1024u, remaining);
[byteArray copyBytes:stringBuffer + offset range:HFRangeMake(offset, amountToCopy)];
offset += amountToCopy;
remaining -= amountToCopy;
}
NSString *string = [[NSString alloc] initWithBytesNoCopy:stringBuffer length:stringLength encoding:encoding freeWhenDone:YES];
[pboard setString:string forType:type];
[string release];
}
- (unsigned long long)stringLengthForDataLength:(unsigned long long)dataLength {
return dataLength;
}
@end
@implementation HFStringEncodingTextRepresenter
- (instancetype)init {
self = [super init];
stringEncoding = [NSString defaultCStringEncoding];
return self;
}
- (instancetype)initWithCoder:(NSCoder *)coder {
HFASSERT([coder allowsKeyedCoding]);
self = [super initWithCoder:coder];
stringEncoding = (NSStringEncoding)[coder decodeInt64ForKey:@"HFStringEncoding"];
return self;
}
- (void)encodeWithCoder:(NSCoder *)coder {
HFASSERT([coder allowsKeyedCoding]);
[super encodeWithCoder:coder];
[coder encodeInt64:stringEncoding forKey:@"HFStringEncoding"];
}
- (Class)_textViewClass {
return [HFRepresenterStringEncodingTextView class];
}
- (NSStringEncoding)encoding {
return stringEncoding;
}
- (void)setEncoding:(NSStringEncoding)encoding {
stringEncoding = encoding;
[[self view] setEncoding:encoding];
[[self controller] representer:self changedProperties:HFControllerViewSizeRatios];
}
- (void)initializeView {
[[self view] setEncoding:stringEncoding];
[super initializeView];
}
- (void)insertText:(NSString *)text {
REQUIRE_NOT_NULL(text);
NSData *data = [text dataUsingEncoding:[self encoding] allowLossyConversion:NO];
if (! data) {
NSBeep();
}
else if ([data length]) { // a 0 length text can come about via e.g. option-e
[[self controller] insertData:data replacingPreviousBytes:0 allowUndoCoalescing:YES];
}
}
- (NSData *)dataFromPasteboardString:(NSString *)string {
REQUIRE_NOT_NULL(string);
return [string dataUsingEncoding:[self encoding] allowLossyConversion:NO];
}
+ (NSPoint)defaultLayoutPosition {
return NSMakePoint(1, 0);
}
- (void)copySelectedBytesToPasteboard:(NSPasteboard *)pb {
REQUIRE_NOT_NULL(pb);
HFByteArray *selection = [[self controller] byteArrayForSelectedContentsRanges];
HFASSERT(selection != NULL);
if ([selection length] == 0) {
NSBeep();
}
else {
HFStringEncodingPasteboardOwner *owner = [HFStringEncodingPasteboardOwner ownPasteboard:pb forByteArray:selection withTypes:@[HFPrivateByteArrayPboardType, NSStringPboardType]];
[owner setEncoding:[self encoding]];
[owner setBytesPerLine:[self bytesPerLine]];
}
}
@end