#import "GTDiffLine.h"

@implementation GTDiffLine

- (instancetype)init {

NSAssert(NO, @"Call to an unavailable initializer.");

return nil;

}

- (instancetype)initWithGitLine:(const git_diff_line *)line {

self = [super init];

if (self == nil) return nil;

NSData *lineData = [[NSData alloc] initWithBytesNoCopy:(void *)line->content length:line->content_len freeWhenDone:NO];

NSArray *encodings = @[

@(NSUTF8StringEncoding),

@(NSISOLatin1StringEncoding),

@(NSISOLatin2StringEncoding),

@(NSWindowsCP1252StringEncoding),

@(NSMacOSRomanStringEncoding),

];

__block NSString *string;

[encodings enumerateObjectsUsingBlock:^(NSNumber *encoding, NSUInteger idx, BOOL *stop) {

string = [[NSString alloc] initWithData:lineData encoding:encoding.unsignedIntegerValue];

// Return the first encoding that works :)

if (string != nil) *stop = YES;

}];

_content = [string stringByTrimmingCharactersInSet:NSCharacterSet.newlineCharacterSet];

_oldLineNumber = line->old_lineno;

_newLineNumber = line->new_lineno;

_origin = line->origin;

_lineCount = line->num_lines;

return self;

}

- (NSString *)debugDescription {

return [NSString stringWithFormat:@"%@ origin: %u, lines: %ld, oldLineNumber: %ld, newLineNumber: %ld, content: %@", super.debugDescription, self.origin, (long)self.lineCount, (long)self.oldLineNumber, (long)self.newLineNumber, self.content];

}