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command line display - quote special characters.

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This commit is contained in:
Kelvin Sherlock 2020-08-23 23:09:25 -04:00
parent 12dd0e2c5e
commit 0f90cacfc7
1 changed files with 71 additions and 7 deletions
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78
MA2ME/AppDelegate.m
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@ -113,9 +113,75 @@ static NSString *kMyContext = @"kMyContext";
}
}
static NSString * JoinArguments(NSArray *argv) {
static NSCharacterSet *safe = nil;
static NSCharacterSet *unsafe = nil;
if (!safe) {
NSString *str =
@"%+-./:=_"
@"0123456789"
@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
;
safe = [NSCharacterSet characterSetWithCharactersInString: str];
unsafe = [safe invertedSet];
}
NSMutableString *rv = [NSMutableString new];
unsigned ix = 0;
for (NSString *s in argv) {
if (ix++) [rv appendString: @" "];
NSUInteger l = [s length];
if (!l) {
[rv appendString: @"''"];
continue;
}
if (!CFStringFindCharacterFromSet((CFStringRef)s, (CFCharacterSetRef)unsafe, CFRangeMake(0, l), 0, NULL)) {
[rv appendString: s];
continue;
}
unichar *buffer = malloc(sizeof(unichar) * l);
[s getCharacters: buffer range: NSMakeRange(0, l)];
[rv appendString: @"'"];
for (NSUInteger i = 0; i < l; ++i) {
unichar c = buffer[i];
switch (c) {
case '\'':
[rv appendString: @"\\'"];
break;
case '\\':
[rv appendString: @"\\\\"];
break;
case 0x7f:
[rv appendString: @"\\177"];
break;
default: {
NSString *cc;
if (c < 0x20) {
cc = [NSString stringWithFormat: @"\\%o", c];
} else {
cc = [NSString stringWithCharacters: &c length: 1];
}
[rv appendString: cc];
break;
}
}
}
[rv appendString: @"'"];
free(buffer);
}
return rv;
}
-(void)buildCommandLine {
static NSString *EmptyArg = @"\"\"";
if (!_mameROM) {
[self setCommandLine: @""];
@ -157,16 +223,14 @@ static NSString *kMyContext = @"kMyContext";
NSArray *args = [_slotController args];
for (NSString *x in args) {
[argv addObject: [x length] ? x : EmptyArg];
if ([args count]) {
[argv addObjectsFromArray: args];
}
// if ([args count]) {
// [argv addObjectsFromArray: args];
// }
if (_mameNoThrottle) [argv addObject: @"-nothrottle"];
[self setCommandLine: [argv componentsJoinedByString:@" "]];
[self setCommandLine: JoinArguments(argv)]; //[argv componentsJoinedByString:@" "]];
}
-(IBAction)modelClick:(id)sender {