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annotate src/sys/osx/filesystem.cc @ 235:593108b3d555

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dep/animia: x11: finalize xcb conversion
author Paper <paper@paper.us.eu.org>
date Tue, 16 Jan 2024 15:22:29 -0500
parents c4ca035c565d
children
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1 #include "sys/osx/filesystem.h"
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2
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3 #include <CoreFoundation/CoreFoundation.h>
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4 #include <objc/runtime.h>
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6 #include <string>
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8 /* These constants are defined in Foundation but not
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9 * exposed to CoreFoundation users.
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10 */
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11 static constexpr unsigned long NSApplicationSupportDirectory = 14;
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12 static constexpr unsigned long NSUserDomainMask = 1;
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14 extern "C" {
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15 CFArrayRef NSSearchPathForDirectoriesInDomains(unsigned long directory, unsigned long domainMask, BOOL expandTilde);
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16 }
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18 namespace osx {
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19
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20 bool GetApplicationSupportDirectory(std::string& result) {
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21 // NSArray* strings = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, ON);
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22 const CFArrayRef strings = NSSearchPathForDirectoriesInDomains(NSApplicationSupportDirectory, NSUserDomainMask, true);
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23 if (!strings)
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24 return false;
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26 // NSIndex index = [strings count];
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27 const CFIndex count = CFArrayGetCount(strings);
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28 if (count < 1) {
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29 CFRelease(strings);
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30 return false;
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31 }
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33 // NSString* string = [strings objectAtIndex: 0];
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34 const CFStringRef string = reinterpret_cast<CFStringRef>(CFArrayGetValueAtIndex(strings, 0));
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35 if (!string) {
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36 CFRelease(strings);
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37 return false;
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38 }
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40 // result = [string UTF8String];
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41 result.resize(CFStringGetMaximumSizeForEncoding(CFStringGetLength(string), kCFStringEncodingUTF8) + 1);
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42 if (!CFStringGetCString(string, &result.front(), result.length(), kCFStringEncodingUTF8)) {
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43 CFRelease(strings);
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44 return false;
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45 }
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46 result.resize(result.find_first_of('\0'));
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48 return true;
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49 }
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51 } // namespace osx