Framework/NDAlias/NSString+NDCarbonUtilities.m

   1 /*
   2  *  NSString+NDCarbonUtilities.m category
   3  *
   4  *  Created by Nathan Day on Sat Aug 03 2002.
   5  *  Copyright (c) 2002 Nathan Day. All rights reserved.
   6  */
   7
   8 #import "NSString+NDCarbonUtilities.h"
   9
  10 /*
  11  * class implementation NSString (NDCarbonUtilities)
  12  */
  13 @implementation NSString (NDCarbonUtilities)
  14
  15 /*
  16  * +stringWithFSRef:
  17  */
  18 + (NSString *)stringWithFSRef:(const FSRef *)aFSRef
  19 {
  20         UInt8                   thePath[PATH_MAX + 1];          // plus 1 for \0 terminator
  21
  22         return (FSRefMakePath ( aFSRef, thePath, PATH_MAX ) == noErr) ? [NSString stringWithUTF8String:(const char*)thePath] : nil;
  23 }
  24
  25 /*
  26  * -getFSRef:
  27  */
  28 - (BOOL)getFSRef:(FSRef *)aFSRef
  29 {
  30         return FSPathMakeRef( (const UInt8 *)[self UTF8String], aFSRef, NULL ) == noErr;
  31 }
  32
  33 /*
  34  * -getFSRef:
  35  */
  36 - (BOOL)getFSSpec:(FSSpec *)aFSSpec
  37 {
  38         FSRef                   aFSRef;
  39
  40         return [self getFSRef:&aFSRef] && (FSGetCatalogInfo( &aFSRef, kFSCatInfoNone, NULL, NULL, aFSSpec, NULL ) == noErr);
  41 }
  42
  43 /*
  44  * -fileSystemPathHFSStyle
  45  */
  46 - (NSString *)fileSystemPathHFSStyle
  47 {
  48         return [(NSString *)CFURLCopyFileSystemPath((CFURLRef)[NSURL fileURLWithPath:self], kCFURLHFSPathStyle) autorelease];
  49 }
  50
  51 /*
  52  * -pathFromFileSystemPathHFSStyle
  53  */
  54 - (NSString *)pathFromFileSystemPathHFSStyle
  55 {
  56         return [[(NSURL *)CFURLCreateWithFileSystemPath( kCFAllocatorDefault, (CFStringRef)self, kCFURLHFSPathStyle, [self hasSuffix:@":"] ) autorelease] path];
  57 }
  58
  59 /*
  60  * -resolveAliasFile
  61  */
  62 - (NSString *)resolveAliasFile
  63 {
  64         FSRef                   theRef;
  65         Boolean         theIsTargetFolder,
  66                                         theWasAliased = NO;
  67         NSString                * theResolvedAlias = self;
  68
  69         [self getFSRef:&theRef];
  70
  71         if( (FSResolveAliasFile( &theRef, YES, &theIsTargetFolder, &theWasAliased ) == noErr) )
  72         {
  73                 theResolvedAlias = (theWasAliased) ? [NSString stringWithFSRef:&theRef] : self;
  74         }
  75         else
  76                 NSLog( @"Failed to resolve file %@ as alias file", self );
  77
  78         return theResolvedAlias ? theResolvedAlias : self;
  79 }
  80
  81 /*
  82  * +stringWithPascalString:
  83  */
  84 + (NSString *)stringWithPascalString:(const ConstStr255Param )aPStr
  85 {
  86         return [(NSString*)CFStringCreateWithPascalString( kCFAllocatorDefault, aPStr, kCFStringEncodingMacRomanLatin1 ) autorelease];
  87 }
  88
  89 /*
  90  * -getPascalString:length:
  91  */
  92 - (BOOL)getPascalString:(StringPtr)aBuffer length:(short)aLength
  93 {
  94         return CFStringGetPascalString( (CFStringRef)self, aBuffer, aLength, kCFStringEncodingMacRomanLatin1) != 0;
  95 }
  96
  97 /*
  98  * -pascalString
  99  */
 100 - (const char *)pascalString
 101 {
 102         const unsigned int      kPascalStringLen = 256;
 103         NSMutableData           * theData = [NSMutableData dataWithCapacity:kPascalStringLen];
 104         return [self getPascalString:(StringPtr)[theData mutableBytes] length:kPascalStringLen] ? [theData bytes] : NULL;
 105 }
 106
 107 /*
 108  * -trimWhitespace
 109  */
 110 - (NSString *)trimWhitespace
 111 {
 112         CFMutableStringRef              theString;
 113
 114         theString = CFStringCreateMutableCopy( kCFAllocatorDefault, 0, (CFStringRef)self);
 115         CFStringTrimWhitespace( theString );
 116
 117         return [(NSString *)theString autorelease];
 118 }
 119
 120 /*
 121  * -finderInfoFlags:type:creator:
 122  */
 123 - (BOOL)finderInfoFlags:(UInt16*)aFlags type:(OSType*)aType creator:(OSType*)aCreator
 124 {
 125         FSRef                   theRef;
 126         FSCatalogInfo   theCatalogInfo = {0};
 127         FileInfo                        * theInfo = (FileInfo*)&theCatalogInfo.finderInfo;
 128
 129         if( [self getFSRef:&theRef]
 130                  && FSGetCatalogInfo( &theRef, kFSCatInfoFinderInfo, &theCatalogInfo, NULL, NULL, NULL ) == noErr )
 131         {
 132                 if( aFlags ) *aFlags = theInfo->fileCreator;
 133                 if( aType ) *aType = theInfo->fileType;
 134                 if( aCreator ) *aCreator = theInfo->finderFlags;
 135
 136                 return YES;
 137         }
 138         else
 139                 return NO;
 140 }
 141
 142 /*
 143  * -finderLocation
 144  */
 145 - (NSPoint)finderLocation
 146 {
 147         FSRef                           theRef;
 148         FSCatalogInfo   theCatalogInfo = {0};
 149         FileInfo                        * theInfo = (FileInfo*)&theCatalogInfo.finderInfo;
 150         NSPoint                 thePoint = NSMakePoint( 0, 0 );
 151
 152         if( [self getFSRef:&theRef] && FSGetCatalogInfo( &theRef, kFSCatInfoFinderInfo, &theCatalogInfo, NULL, NULL, NULL ) == noErr )
 153         {
 154                 thePoint = NSMakePoint(theInfo->location.h, theInfo->location.v );
 155         }
 156
 157         return thePoint;
 158 }
 159
 160 /*
 161  * -setFinderInfoFlags:mask:type:creator:
 162  */
 163 - (BOOL)setFinderInfoFlags:(UInt16)aFlags mask:(UInt16)aMask type:(OSType)aType creator:(OSType)aCreator
 164 {
 165         BOOL                            theResult = NO;
 166         FSRef                           theRef;
 167         FSCatalogInfo   theCatalogInfo = {0};
 168         FileInfo                        * theInfo = (FileInfo*)&theCatalogInfo.finderInfo;
 169
 170         //      if( [self getFSSpec:&theFSSpec] && FSpGetFInfo( &theFSSpec, &theInfo) == noErr )
 171         if( [self getFSRef:&theRef]
 172                  && FSGetCatalogInfo( &theRef, kFSCatInfoFinderInfo, &theCatalogInfo, NULL, NULL, NULL ) == noErr )
 173         {
 174                 theInfo->finderFlags = (aFlags & aMask) | (theInfo->finderFlags & !aMask);
 175                 theInfo->fileType = aType;
 176                 theInfo->fileCreator = aCreator;
 177
 178                 theResult = FSSetCatalogInfo(&theRef, kFSCatInfoFinderInfo, &theCatalogInfo)  == noErr;
 179                 //              theResult = FSpSetFInfo( &theFSSpec, &theInfo) == noErr;
 180         }
 181
 182         return theResult;
 183 }
 184
 185 /*
 186  * -setFinderLocation:
 187  */
 188 - (BOOL)setFinderLocation:(NSPoint)aLocation
 189 {
 190         BOOL                            theResult = NO;
 191         FSRef                           theRef;
 192         FSCatalogInfo   theCatalogInfo = {0};
 193         FileInfo                        * theInfo = (FileInfo*)&theCatalogInfo.finderInfo;
 194
 195         //      if( [self getFSSpec:&theFSSpec] && FSpGetFInfo( &theFSSpec, &theInfo) == noErr )
 196         if( [self getFSRef:&theRef]
 197                  && FSGetCatalogInfo( &theRef, kFSCatInfoFinderInfo, &theCatalogInfo, NULL, NULL, NULL ) == noErr )
 198         {
 199                 theInfo->location.h = aLocation.x;
 200                 theInfo->location.v = aLocation.y;
 201
 202                 theResult = FSSetCatalogInfo(&theRef, kFSCatInfoFinderInfo, &theCatalogInfo)  == noErr;
 203                 //              theResult = FSpSetFInfo( &theFSSpec, &theInfo) == noErr;
 204         }
 205
 206         return theResult;
 207 }
 208
 209 @end
 210
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