C++ (Cpp) NSIsSymbolNameDefinedWithHint Examples

Example #1

File: tclMacOSXBundle.c Project: nawawi/tcl

static short
OpenResourceMap(
    CFBundleRef bundleRef)
{
    static int initialized = FALSE;
    static short (*openresourcemap)(CFBundleRef) = NULL;

    if (!initialized) {
#if TCL_DYLD_USE_DLFCN
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1040
	if (tclMacOSXDarwinRelease >= 8)
#endif
	{
	    openresourcemap = dlsym(RTLD_NEXT,
		    "CFBundleOpenBundleResourceMap");
#ifdef TCL_DEBUG_LOAD
	    if (!openresourcemap) {
		const char *errMsg = dlerror();

		TclLoadDbgMsg("dlsym() failed: %s", errMsg);
	    }
#endif /* TCL_DEBUG_LOAD */
	}
	if (!openresourcemap)
#endif /* TCL_DYLD_USE_DLFCN */
	{
#if TCL_DYLD_USE_NSMODULE
	    if (NSIsSymbolNameDefinedWithHint(
		    "_CFBundleOpenBundleResourceMap", "CoreFoundation")) {
		NSSymbol nsSymbol = NSLookupAndBindSymbolWithHint(
			"_CFBundleOpenBundleResourceMap", "CoreFoundation");

		if (nsSymbol) {
		    openresourcemap = NSAddressOfSymbol(nsSymbol);
		}
	    }
#endif /* TCL_DYLD_USE_NSMODULE */
	}
	initialized = TRUE;
    }

    if (openresourcemap) {
	return openresourcemap(bundleRef);
    }
    return -1;
}

Example #2

File: tclMacOSXBundle.c Project: lmiadowicz/tcl

int
Tcl_MacOSXOpenVersionedBundleResources(
    Tcl_Interp *interp,
    const char *bundleName,
    const char *bundleVersion,
    int hasResourceFile,
    int maxPathLen,
    char *libraryPath)
{
#ifdef HAVE_COREFOUNDATION
    CFBundleRef bundleRef, versionedBundleRef = NULL;
    CFStringRef bundleNameRef;
    CFURLRef libURL;

    libraryPath[0] = '\0';

    bundleNameRef = CFStringCreateWithCString(NULL, bundleName,
	    kCFStringEncodingUTF8);

    bundleRef = CFBundleGetBundleWithIdentifier(bundleNameRef);
    CFRelease(bundleNameRef);

    if (bundleVersion && bundleRef) {
	/*
	 * Create bundle from bundleVersion subdirectory of 'Versions'.
	 */

	CFURLRef bundleURL = CFBundleCopyBundleURL(bundleRef);

	if (bundleURL) {
	    CFStringRef bundleVersionRef = CFStringCreateWithCString(NULL,
		    bundleVersion, kCFStringEncodingUTF8);

	    if (bundleVersionRef) {
		CFStringRef bundleTailRef = CFURLCopyLastPathComponent(
			bundleURL);

		if (bundleTailRef) {
		    if (CFStringCompare(bundleTailRef, bundleVersionRef, 0) ==
			    kCFCompareEqualTo) {
			versionedBundleRef = (CFBundleRef) CFRetain(bundleRef);
		    }
		    CFRelease(bundleTailRef);
		}
		if (!versionedBundleRef) {
		    CFURLRef versURL = CFURLCreateCopyAppendingPathComponent(
			    NULL, bundleURL, CFSTR("Versions"), TRUE);

		    if (versURL) {
			CFURLRef versionedBundleURL =
				CFURLCreateCopyAppendingPathComponent(
				NULL, versURL, bundleVersionRef, TRUE);
			if (versionedBundleURL) {
			    versionedBundleRef = CFBundleCreate(NULL,
				    versionedBundleURL);
			    CFRelease(versionedBundleURL);
			}
			CFRelease(versURL);
		    }
		}
		CFRelease(bundleVersionRef);
	    }
	    CFRelease(bundleURL);
	}
	if (versionedBundleRef) {
	    bundleRef = versionedBundleRef;
	}
    }

    if (bundleRef) {
	if (hasResourceFile) {
	    /*
	     * Dynamically acquire address for CFBundleOpenBundleResourceMap
	     * symbol, since it is only present in full CoreFoundation on Mac
	     * OS X and not in CFLite on pure Darwin.
	     */

	    static int initialized = FALSE;
	    static short (*openresourcemap)(CFBundleRef) = NULL;

	    if (!initialized) {
#if TCL_DYLD_USE_DLFCN
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1040
		if (tclMacOSXDarwinRelease >= 8)
#endif
		{
		    const char *errMsg = nil;
		    openresourcemap = dlsym(RTLD_NEXT,
			    "CFBundleOpenBundleResourceMap");
		    if (!openresourcemap) {
			errMsg = dlerror();
			TclLoadDbgMsg("dlsym() failed: %s", errMsg);
		    }
		}
		if (!openresourcemap)
#endif
		{
#if TCL_DYLD_USE_NSMODULE
		    NSSymbol nsSymbol = NULL;
		    if (NSIsSymbolNameDefinedWithHint(
			    "_CFBundleOpenBundleResourceMap",
			    "CoreFoundation")) {
			nsSymbol = NSLookupAndBindSymbolWithHint(
				"_CFBundleOpenBundleResourceMap",
				"CoreFoundation");
			if (nsSymbol) {
			    openresourcemap = NSAddressOfSymbol(nsSymbol);
			}
		    }
#endif
		}
		initialized = TRUE;
	    }

	    if (openresourcemap) {
		short refNum;

		refNum = openresourcemap(bundleRef);
	    }
	}

	libURL = CFBundleCopyResourceURL(bundleRef, CFSTR("Scripts"),
		NULL, NULL);

	if (libURL) {
	    /*
	     * FIXME: This is a quick fix, it is probably not right for
	     * internationalization.
	     */

	    CFURLGetFileSystemRepresentation(libURL, TRUE,
		    (unsigned char*) libraryPath, maxPathLen);
	    CFRelease(libURL);
	}
	if (versionedBundleRef) {
	    CFRelease(versionedBundleRef);
	}
    }

    if (libraryPath[0]) {
	return TCL_OK;
    } else {
	return TCL_ERROR;
    }
#else  /* HAVE_COREFOUNDATION */
    return TCL_ERROR;
#endif /* HAVE_COREFOUNDATION */
}