+++ /dev/null
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.1 (the "License"). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-#import <libc.h>
-#import <stdio.h>
-#import <stdlib.h>
-#import <NSSystemDirectories.h>
-
-// Names of directories; index into this with NSSearchPathDirectory - 1
-#define numDirs 8
-static const struct {
- unsigned char invalidDomainMask; // Domains in which this dir does not appear
- unsigned char alternateDomainMask; // Domains in which this dir uses the alternate domain path
- const char *dirPath;
-} dirInfo[numDirs] = {
- {0, 0, "Applications"},
- {0, 0, "Applications/GrabBag"},
- {0, 0, "Developer/Applications"},
- {0, 0, "Applications/Utilities"},
- {0, 0x8, "Library"}, // Uses alternate form in System domain
- {0, 0, "Developer"},
- {0x9, 0, "Users"}, // Not valid in the System and User domains
- {0, 0x8, "Library/Documentation"} // Uses alternate form in System domain
-};
-
-// Ordered list of where to find applications in each domain (the numbers are NSSearchPathDirectory)
-#define numApplicationDirs 4
-static const char applicationDirs[numApplicationDirs] = {1, 4, 3, 2};
-
-// Ordered list of where to find resources in each domain (the numbers are NSSearchPathDirectory)
-#define numLibraryDirs 2
-static const char libraryDirs[numLibraryDirs] = {5, 6};
-
-// Names of domains; index into this log2(domainMask). If the search path ordering is ever changed, then we need an indirection (as the domainMask values cannot be changed).
-#define numDomains 4
-static const struct {
- char needsRootPrepended;
- const char *domainPath;
- const char *alternateDomainPath;
-} domainInfo[numDomains] = {
- {0, "~", "~"},
- {1, "", ""},
- {1, "/Network", "/Network"},
- {1, "", "/System"}
-};
-
-#define invalidDomains 0x00 // some domains may be invalid on non-Mach systems
-
-NSSearchPathEnumerationState NSStartSearchPathEnumeration(NSSearchPathDirectory dir, NSSearchPathDomainMask domainMask) {
- // The state is AABBCCCC, where
- // AA is the dir(s) requested
- // BB is the current state of dirs (if AA < 100, then this is always 0; otherwise it goes up to number of dirs)
- // CCCC is the domains requested
- // the state always contains the next item; if CCCC is 0, then we're done
- domainMask = domainMask & ((1 << numDomains) - 1) & ~invalidDomains; // Just leave useful bits in there
- if (dir != NSAllLibrariesDirectory && dir != NSLibraryDirectory && dir != NSUserDirectory && dir != NSDocumentationDirectory && (domainMask & NSLocalDomainMask) && (domainMask & NSSystemDomainMask)) domainMask = domainMask & ~NSSystemDomainMask; // Hack to avoid duplication
- return (((unsigned int)dir) << 24) + ((unsigned int)domainMask);
-}
-
-NSSearchPathEnumerationState NSGetNextSearchPathEnumeration(NSSearchPathEnumerationState state, char *path) {
- static const char *nextRoot = NULL;
- unsigned dir = (state >> 24) & 0xff;
- unsigned dirState = (state >> 16) & 0xff;
- unsigned domainMask = state & 0xffff;
- unsigned int curDomain; // The current domain we're at...
- unsigned int curDir = 0; // The current dir...
-
- do {
- if (domainMask == 0) return 0; // Looks like we're done
- for (curDomain = 0; curDomain < numDomains; curDomain++) if ((domainMask & (1 << curDomain))) break;
-
- // Determine directory
- if (dir < NSAllApplicationsDirectory) { // One directory per domain, simple...
- curDir = dir;
- } else { // Can return multiple directories for each domain
- if (dir == NSAllApplicationsDirectory) {
- curDir = applicationDirs[dirState];
- if (++dirState == numApplicationDirs) dirState = 0;
- } else if (dir == NSAllLibrariesDirectory) {
- curDir = libraryDirs[dirState];
- if (++dirState == numLibraryDirs) dirState = 0;
- }
- }
- if (dirState == 0) domainMask &= ~(1 << curDomain); // If necessary, jump to next domain
- } while ((dirInfo[curDir - 1].invalidDomainMask & (1 << curDomain))); // If invalid, try again...
-
- // Get NEXT_ROOT, if necessary.
- if (domainInfo[curDomain].needsRootPrepended && nextRoot == 0) {
- nextRoot = getenv("NEXT_ROOT");
- if (nextRoot == NULL) {
- nextRoot = "";
- } else {
- strcpy(malloc(strlen(nextRoot) + 1), nextRoot); // Be safe...
- }
- }
-
- snprintf(path, PATH_MAX, "%s%s/%s", domainInfo[curDomain].needsRootPrepended ? nextRoot : "", (dirInfo[curDir - 1].alternateDomainMask & (1 << curDomain)) ? domainInfo[curDomain].alternateDomainPath : domainInfo[curDomain].domainPath, dirInfo[curDir - 1].dirPath);
-
- return (dir << 24) + (dirState << 16) + domainMask;
-}
-
-
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