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/*
* tclMacOSXBundle.c --
*
* This file implements functions that inspect CFBundle structures
* on MacOS X.
*
* Copyright 2001, Apple Computer, Inc.
*
* 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 <CoreFoundation/CoreFoundation.h>
#include <mach-o/dyld.h>
#include "tcl.h"
/*
*----------------------------------------------------------------------
*
* 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)
{
CFBundleRef bundleRef;
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' */
CFBundleRef versionedBundleRef = NULL;
CFURLRef versionedBundleURL = NULL;
CFStringRef bundleVersionRef = CFStringCreateWithCString(NULL,
bundleVersion, kCFStringEncodingUTF8);
CFURLRef bundleURL = CFBundleCopyBundleURL(bundleRef);
if (bundleURL) {
CFStringRef bundleTailRef = CFURLCopyLastPathComponent(bundleURL);
if (bundleTailRef) {
if (CFStringCompare(bundleTailRef,bundleVersionRef,0)
== kCFCompareEqualTo) {
versionedBundleRef = bundleRef;
}
CFRelease(bundleTailRef);
}
}
if (bundleURL && !versionedBundleRef) {
CFURLRef versURL = CFURLCreateCopyAppendingPathComponent(NULL,
bundleURL, CFSTR("Versions"), TRUE);
if (versURL) {
versionedBundleURL = CFURLCreateCopyAppendingPathComponent(
NULL, versURL, bundleVersionRef, TRUE);
CFRelease(versURL);
}
CFRelease(bundleURL);
}
CFRelease(bundleVersionRef);
if (versionedBundleURL) {
versionedBundleRef = CFBundleCreate(NULL, versionedBundleURL);
CFRelease(versionedBundleURL);
}
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) {
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,
libraryPath, maxPathLen);
CFRelease(libURL);
}
}
if (libraryPath[0]) {
return TCL_OK;
} else {
return TCL_ERROR;
}
}
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