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/*
* tclMacOSXBundle.c --
*
* This file implements functions that inspect CFBundle structures on
* MacOS X.
*
* Copyright 2001, Apple Computer, Inc.
* Copyright (c) 2003-2009 Daniel A. Steffen <das@users.sourceforge.net>
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
* The following terms apply to all files originating from Apple
* Computer, Inc. ("Apple") and associated with the software unless
* explicitly disclaimed in individual files.
*
* Apple hereby grants permission to use, copy, modify, distribute, and
* license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that
* this notice is included verbatim in any distributions. No written
* agreement, license, or royalty fee is required for any of the
* authorized uses. Modifications to this software may be copyrighted by
* their authors and need not follow the licensing terms described here,
* provided that the new terms are clearly indicated on the first page of
* each file where they apply.
*
* IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE SOFTWARE
* BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS SOFTWARE, ITS
* DOCUMENTATION, OR ANY DERIVATIVES THEREOF, EVEN IF APPLE OR THE
* AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. APPLE,
* THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND
* NON-INFRINGEMENT. THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND
* APPLE,THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
* MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* GOVERNMENT USE: If you are acquiring this software on behalf of the
* U.S. government, the Government shall have only "Restricted Rights" in
* the software and related documentation as defined in the Federal
* Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2). If you are
* acquiring the software on behalf of the Department of Defense, the
* software shall be classified as "Commercial Computer Software" and the
* Government shall have only "Restricted Rights" as defined in Clause
* 252.227-7013 (c) (1) of DFARs. Notwithstanding the foregoing, the
* authors grant the U.S. Government and others acting in its behalf
* permission to use and distribute the software in accordance with the
* terms specified in this license.
*/
#include "tclPort.h"
#ifdef HAVE_COREFOUNDATION
#include <CoreFoundation/CoreFoundation.h>
#include <mach-o/dyld.h>
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
MODULE_SCOPE long tclMacOSXDarwinRelease;
#endif
#endif /* HAVE_COREFOUNDATION */
/*
*----------------------------------------------------------------------
*
* Tcl_MacOSXOpenBundleResources --
*
* Given the bundle name for a shared library, this routine sets
* libraryPath to the Resources/Scripts directory in the framework
* package. If hasResourceFile is true, it will also open the main
* resource file for the bundle.
*
* Results:
* TCL_OK if the bundle could be opened, and the Scripts folder found.
* TCL_ERROR otherwise.
*
* Side effects:
* libraryVariableName may be set, and the resource file opened.
*
*----------------------------------------------------------------------
*/
int
Tcl_MacOSXOpenBundleResources(
Tcl_Interp *interp,
CONST char *bundleName,
int hasResourceFile,
int maxPathLen,
char *libraryPath)
{
return Tcl_MacOSXOpenVersionedBundleResources(interp, bundleName,
NULL, hasResourceFile, maxPathLen, libraryPath);
}
/*
*----------------------------------------------------------------------
*
* Tcl_MacOSXOpenVersionedBundleResources --
*
* Given the bundle and version name for a shared library (version name
* can be NULL to indicate latest version), this routine sets libraryPath
* to the Resources/Scripts directory in the framework package. If
* hasResourceFile is true, it will also open the main resource file for
* the bundle.
*
* Results:
* TCL_OK if the bundle could be opened, and the Scripts folder found.
* TCL_ERROR otherwise.
*
* Side effects:
* libraryVariableName may be set, and the resource file opened.
*
*----------------------------------------------------------------------
*/
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) {
CFComparisonResult versionComparison = kCFCompareLessThan;
CFStringRef bundleTailRef = CFURLCopyLastPathComponent(
bundleURL);
if (bundleTailRef) {
versionComparison = CFStringCompare(bundleTailRef,
bundleVersionRef, 0);
CFRelease(bundleTailRef);
}
if (versionComparison != kCFCompareEqualTo) {
CFURLRef versURL = CFURLCreateCopyAppendingPathComponent(
NULL, bundleURL, CFSTR("Versions"), TRUE);
if (versURL) {
CFURLRef versionedBundleURL =
CFURLCreateCopyAppendingPathComponent(
NULL, versURL, bundleVersionRef, TRUE);
if (versionedBundleURL) {
versionedBundleRef = CFBundleCreate(NULL,
versionedBundleURL);
if (versionedBundleRef) {
bundleRef = versionedBundleRef;
}
CFRelease(versionedBundleURL);
}
CFRelease(versURL);
}
}
CFRelease(bundleVersionRef);
}
CFRelease(bundleURL);
}
}
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) {
NSSymbol nsSymbol = NULL;
if (NSIsSymbolNameDefinedWithHint(
"_CFBundleOpenBundleResourceMap", "CoreFoundation")) {
nsSymbol = NSLookupAndBindSymbolWithHint(
"_CFBundleOpenBundleResourceMap","CoreFoundation");
if (nsSymbol) {
openresourcemap = NSAddressOfSymbol(nsSymbol);
}
}
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) {
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1050
/* Workaround CFBundle bug in Tiger and earlier. [Bug 2569449] */
if (tclMacOSXDarwinRelease >= 9)
#endif
{
CFRelease(versionedBundleRef);
}
}
}
if (libraryPath[0]) {
return TCL_OK;
} else {
return TCL_ERROR;
}
#else /* HAVE_COREFOUNDATION */
return TCL_ERROR;
#endif /* HAVE_COREFOUNDATION */
}
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