mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
700 lines
18 KiB
C++
700 lines
18 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "fcntl.h"
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#include "errno.h"
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#include "prsystem.h"
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#if defined(XP_UNIX)
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#include "unistd.h"
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#include "dirent.h"
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#include "sys/stat.h"
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#endif // defined(XP_UNIX)
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#if defined(XP_MACOSX)
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#include "copyfile.h"
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#endif // defined(XP_MACOSX)
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#if defined(XP_WIN)
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#include <windows.h>
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#endif // defined(XP_WIN)
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#include "jsapi.h"
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#include "jsfriendapi.h"
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#include "BindingUtils.h"
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// Used to provide information on the OS
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#include "nsThreadUtils.h"
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#include "nsDirectoryServiceUtils.h"
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#include "nsIXULRuntime.h"
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#include "nsXPCOMCIDInternal.h"
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#include "nsServiceManagerUtils.h"
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#include "nsString.h"
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#include "nsAutoPtr.h"
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#include "nsDirectoryServiceDefs.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "OSFileConstants.h"
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#include "nsIOSFileConstantsService.h"
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/**
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* This module defines the basic libc constants (error numbers, open modes,
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* etc.) used by OS.File and possibly other OS-bound JavaScript libraries.
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*/
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namespace mozilla {
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// Use an anonymous namespace to hide the symbols and avoid any collision
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// with, for instance, |extern bool gInitialized;|
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namespace {
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/**
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* |true| if this module has been initialized, |false| otherwise
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*/
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bool gInitialized = false;
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typedef struct {
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/**
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* The name of the directory holding all the libraries (libxpcom, libnss, etc.)
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*/
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nsString libDir;
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nsString tmpDir;
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nsString profileDir;
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} Paths;
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/**
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* System directories.
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*/
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Paths* gPaths = NULL;
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}
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/**
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* Return the path to one of the special directories.
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*
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* @param aKey The key to the special directory (e.g. "TmpD", "ProfD", ...)
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* @param aOutPath The path to the special directory. In case of error,
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* the string is set to void.
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*/
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nsresult GetPathToSpecialDir(const char *aKey, nsString& aOutPath)
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{
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nsCOMPtr<nsIFile> file;
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nsresult rv = NS_GetSpecialDirectory(aKey, getter_AddRefs(file));
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if (NS_FAILED(rv) || !file) {
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return rv;
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}
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rv = file->GetPath(aOutPath);
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if (NS_FAILED(rv)) {
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aOutPath.SetIsVoid(true);
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}
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return rv;
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}
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/**
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* Perform the part of initialization that can only be
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* executed on the main thread.
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*/
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nsresult InitOSFileConstants()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (gInitialized) {
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return NS_OK;
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}
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gInitialized = true;
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nsAutoPtr<Paths> paths(new Paths);
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// Initialize paths->libDir
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nsCOMPtr<nsIFile> file;
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nsresult rv = NS_GetSpecialDirectory("XpcomLib", getter_AddRefs(file));
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsCOMPtr<nsIFile> libDir;
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rv = file->GetParent(getter_AddRefs(libDir));
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if (NS_FAILED(rv)) {
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return rv;
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}
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rv = libDir->GetPath(paths->libDir);
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if (NS_FAILED(rv)) {
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return rv;
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}
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// For other directories, ignore errors (they may be undefined on
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// some platforms or in non-Firefox embeddings of Gecko).
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GetPathToSpecialDir(NS_OS_TEMP_DIR, paths->tmpDir);
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GetPathToSpecialDir(NS_APP_USER_PROFILE_50_DIR, paths->profileDir);
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gPaths = paths.forget();
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return NS_OK;
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}
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/**
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* Perform the cleaning up that can only be executed on the main thread.
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*/
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void CleanupOSFileConstants()
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{
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MOZ_ASSERT(NS_IsMainThread());
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if (!gInitialized) {
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return;
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}
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gInitialized = false;
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delete gPaths;
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}
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/**
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* Define a simple read-only property holding an integer.
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*
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* @param name The name of the constant. Used both as the JS name for the
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* constant and to access its value. Must be defined.
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*
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* Produces a |ConstantSpec|.
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*/
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#define INT_CONSTANT(name) \
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{ #name, INT_TO_JSVAL(name) }
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/**
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* End marker for ConstantSpec
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*/
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#define PROP_END { NULL, JSVAL_VOID }
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// Define missing constants for Android
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#if !defined(S_IRGRP)
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#define S_IXOTH 0001
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#define S_IWOTH 0002
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#define S_IROTH 0004
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#define S_IRWXO 0007
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#define S_IXGRP 0010
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#define S_IWGRP 0020
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#define S_IRGRP 0040
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#define S_IRWXG 0070
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#define S_IXUSR 0100
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#define S_IWUSR 0200
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#define S_IRUSR 0400
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#define S_IRWXU 0700
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#endif // !defined(S_IRGRP)
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/**
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* The properties defined in libc.
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*
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* If you extend this list of properties, please
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* separate categories ("errors", "open", etc.),
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* keep properties organized by alphabetical order
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* and #ifdef-away properties that are not portable.
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*/
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static dom::ConstantSpec gLibcProperties[] =
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{
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// Arguments for open
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INT_CONSTANT(O_APPEND),
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INT_CONSTANT(O_CREAT),
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#if defined(O_DIRECTORY)
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INT_CONSTANT(O_DIRECTORY),
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#endif // defined(O_DIRECTORY)
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#if defined(O_EVTONLY)
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INT_CONSTANT(O_EVTONLY),
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#endif // defined(O_EVTONLY)
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INT_CONSTANT(O_EXCL),
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#if defined(O_EXLOCK)
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INT_CONSTANT(O_EXLOCK),
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#endif // defined(O_EXLOCK)
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#if defined(O_LARGEFILE)
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INT_CONSTANT(O_LARGEFILE),
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#endif // defined(O_LARGEFILE)
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#if defined(O_NOFOLLOW)
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INT_CONSTANT(O_NOFOLLOW),
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#endif // defined(O_NOFOLLOW)
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#if defined(O_NONBLOCK)
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INT_CONSTANT(O_NONBLOCK),
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#endif // defined(O_NONBLOCK)
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INT_CONSTANT(O_RDONLY),
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INT_CONSTANT(O_RDWR),
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#if defined(O_RSYNC)
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INT_CONSTANT(O_RSYNC),
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#endif // defined(O_RSYNC)
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#if defined(O_SHLOCK)
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INT_CONSTANT(O_SHLOCK),
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#endif // defined(O_SHLOCK)
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#if defined(O_SYMLINK)
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INT_CONSTANT(O_SYMLINK),
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#endif // defined(O_SYMLINK)
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#if defined(O_SYNC)
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INT_CONSTANT(O_SYNC),
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#endif // defined(O_SYNC)
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INT_CONSTANT(O_TRUNC),
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INT_CONSTANT(O_WRONLY),
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#if defined(AT_EACCESS)
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INT_CONSTANT(AT_EACCESS),
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#endif //defined(AT_EACCESS)
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#if defined(AT_FDCWD)
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INT_CONSTANT(AT_FDCWD),
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#endif //defined(AT_FDCWD)
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#if defined(AT_SYMLINK_NOFOLLOW)
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INT_CONSTANT(AT_SYMLINK_NOFOLLOW),
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#endif //defined(AT_SYMLINK_NOFOLLOW)
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// access
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#if defined(F_OK)
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INT_CONSTANT(F_OK),
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INT_CONSTANT(R_OK),
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INT_CONSTANT(W_OK),
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INT_CONSTANT(X_OK),
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#endif // defined(F_OK)
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// modes
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INT_CONSTANT(S_IRGRP),
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INT_CONSTANT(S_IROTH),
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INT_CONSTANT(S_IRUSR),
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INT_CONSTANT(S_IRWXG),
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INT_CONSTANT(S_IRWXO),
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INT_CONSTANT(S_IRWXU),
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INT_CONSTANT(S_IWGRP),
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INT_CONSTANT(S_IWOTH),
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INT_CONSTANT(S_IWUSR),
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INT_CONSTANT(S_IXOTH),
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INT_CONSTANT(S_IXGRP),
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INT_CONSTANT(S_IXUSR),
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// seek
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INT_CONSTANT(SEEK_CUR),
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INT_CONSTANT(SEEK_END),
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INT_CONSTANT(SEEK_SET),
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// copyfile
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#if defined(COPYFILE_DATA)
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INT_CONSTANT(COPYFILE_DATA),
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INT_CONSTANT(COPYFILE_EXCL),
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INT_CONSTANT(COPYFILE_XATTR),
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INT_CONSTANT(COPYFILE_STAT),
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INT_CONSTANT(COPYFILE_ACL),
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INT_CONSTANT(COPYFILE_MOVE),
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#endif // defined(COPYFILE_DATA)
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// error values
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INT_CONSTANT(EACCES),
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INT_CONSTANT(EAGAIN),
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INT_CONSTANT(EBADF),
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INT_CONSTANT(EEXIST),
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INT_CONSTANT(EFAULT),
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INT_CONSTANT(EFBIG),
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INT_CONSTANT(EINVAL),
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INT_CONSTANT(EIO),
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INT_CONSTANT(EISDIR),
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#if defined(ELOOP) // not defined with VC9
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INT_CONSTANT(ELOOP),
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#endif // defined(ELOOP)
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INT_CONSTANT(EMFILE),
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INT_CONSTANT(ENAMETOOLONG),
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INT_CONSTANT(ENFILE),
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INT_CONSTANT(ENOENT),
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INT_CONSTANT(ENOMEM),
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INT_CONSTANT(ENOSPC),
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INT_CONSTANT(ENOTDIR),
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INT_CONSTANT(ENXIO),
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#if defined(EOPNOTSUPP) // not defined with VC 9
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INT_CONSTANT(EOPNOTSUPP),
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#endif // defined(EOPNOTSUPP)
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#if defined(EOVERFLOW) // not defined with VC 9
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INT_CONSTANT(EOVERFLOW),
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#endif // defined(EOVERFLOW)
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INT_CONSTANT(EPERM),
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INT_CONSTANT(ERANGE),
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#if defined(ETIMEDOUT) // not defined with VC 9
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INT_CONSTANT(ETIMEDOUT),
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#endif // defined(ETIMEDOUT)
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#if defined(EWOULDBLOCK) // not defined with VC 9
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INT_CONSTANT(EWOULDBLOCK),
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#endif // defined(EWOULDBLOCK)
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INT_CONSTANT(EXDEV),
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#if defined(DT_UNKNOWN)
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// Constants for |readdir|
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INT_CONSTANT(DT_UNKNOWN),
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INT_CONSTANT(DT_FIFO),
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INT_CONSTANT(DT_CHR),
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INT_CONSTANT(DT_DIR),
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INT_CONSTANT(DT_BLK),
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INT_CONSTANT(DT_REG),
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INT_CONSTANT(DT_LNK),
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INT_CONSTANT(DT_SOCK),
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#endif // defined(DT_UNKNOWN)
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#if defined(S_IFIFO)
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// Constants for |stat|
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INT_CONSTANT(S_IFMT),
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INT_CONSTANT(S_IFIFO),
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INT_CONSTANT(S_IFCHR),
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INT_CONSTANT(S_IFDIR),
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INT_CONSTANT(S_IFBLK),
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INT_CONSTANT(S_IFREG),
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INT_CONSTANT(S_IFLNK),
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INT_CONSTANT(S_IFSOCK),
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#endif // defined(S_IFIFO)
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// Constants used to define data structures
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//
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// Many data structures have different fields/sizes/etc. on
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// various OSes / versions of the same OS / platforms. For these
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// data structures, we need to compute and export from C the size
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// and, if necessary, the offset of fields, so as to be able to
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// define the structure in JS.
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#if defined(XP_UNIX)
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// The size of |mode_t|.
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{ "OSFILE_SIZEOF_MODE_T", INT_TO_JSVAL(sizeof (mode_t)) },
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// The size of |gid_t|.
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{ "OSFILE_SIZEOF_GID_T", INT_TO_JSVAL(sizeof (gid_t)) },
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// The size of |uid_t|.
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{ "OSFILE_SIZEOF_UID_T", INT_TO_JSVAL(sizeof (uid_t)) },
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// The size of |time_t|.
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{ "OSFILE_SIZEOF_TIME_T", INT_TO_JSVAL(sizeof (time_t)) },
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// Defining |dirent|.
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// Size
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{ "OSFILE_SIZEOF_DIRENT", INT_TO_JSVAL(sizeof (dirent)) },
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// Offset of field |d_name|.
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{ "OSFILE_OFFSETOF_DIRENT_D_NAME", INT_TO_JSVAL(offsetof (struct dirent, d_name)) },
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// An upper bound to the length of field |d_name| of struct |dirent|.
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// (may not be exact, depending on padding).
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{ "OSFILE_SIZEOF_DIRENT_D_NAME", INT_TO_JSVAL(sizeof (struct dirent) - offsetof (struct dirent, d_name)) },
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#if defined(DT_UNKNOWN)
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// Position of field |d_type| in |dirent|
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// Not strictly posix, but seems defined on all platforms
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// except mingw32.
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{ "OSFILE_OFFSETOF_DIRENT_D_TYPE", INT_TO_JSVAL(offsetof (struct dirent, d_type)) },
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#endif // defined(DT_UNKNOWN)
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// Defining |stat|
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{ "OSFILE_SIZEOF_STAT", INT_TO_JSVAL(sizeof (struct stat)) },
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{ "OSFILE_OFFSETOF_STAT_ST_MODE", INT_TO_JSVAL(offsetof (struct stat, st_mode)) },
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{ "OSFILE_OFFSETOF_STAT_ST_UID", INT_TO_JSVAL(offsetof (struct stat, st_uid)) },
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{ "OSFILE_OFFSETOF_STAT_ST_GID", INT_TO_JSVAL(offsetof (struct stat, st_gid)) },
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{ "OSFILE_OFFSETOF_STAT_ST_SIZE", INT_TO_JSVAL(offsetof (struct stat, st_size)) },
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#if defined(HAVE_ST_ATIMESPEC)
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{ "OSFILE_OFFSETOF_STAT_ST_ATIME", INT_TO_JSVAL(offsetof (struct stat, st_atimespec)) },
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{ "OSFILE_OFFSETOF_STAT_ST_MTIME", INT_TO_JSVAL(offsetof (struct stat, st_mtimespec)) },
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{ "OSFILE_OFFSETOF_STAT_ST_CTIME", INT_TO_JSVAL(offsetof (struct stat, st_ctimespec)) },
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#else
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{ "OSFILE_OFFSETOF_STAT_ST_ATIME", INT_TO_JSVAL(offsetof (struct stat, st_atime)) },
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{ "OSFILE_OFFSETOF_STAT_ST_MTIME", INT_TO_JSVAL(offsetof (struct stat, st_mtime)) },
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{ "OSFILE_OFFSETOF_STAT_ST_CTIME", INT_TO_JSVAL(offsetof (struct stat, st_ctime)) },
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#endif // defined(HAVE_ST_ATIME)
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#endif // defined(XP_UNIX)
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// System configuration
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// Under MacOSX, to avoid using deprecated functions that do not
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// match the constants we define in this object (including
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// |sizeof|/|offsetof| stuff, but not only), for a number of
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// functions, we need to adapt the name of the symbols we are using,
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// whenever macro _DARWIN_FEATURE_64_BIT_INODE is set. We export
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// this value to be able to do so from JavaScript.
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#if defined(_DARWIN_FEATURE_64_BIT_INODE)
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{ "_DARWIN_FEATURE_64_BIT_INODE", INT_TO_JSVAL(1) },
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#endif // defined(_DARWIN_FEATURE_64_BIT_INODE)
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// Similar feature for Linux
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#if defined(_STAT_VER)
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INT_CONSTANT(_STAT_VER),
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#endif // defined(_STAT_VER)
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PROP_END
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};
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#if defined(XP_WIN)
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/**
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* The properties defined in windows.h.
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*
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* If you extend this list of properties, please
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* separate categories ("errors", "open", etc.),
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* keep properties organized by alphabetical order
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* and #ifdef-away properties that are not portable.
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*/
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static dom::ConstantSpec gWinProperties[] =
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{
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// FormatMessage flags
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INT_CONSTANT(FORMAT_MESSAGE_FROM_SYSTEM),
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INT_CONSTANT(FORMAT_MESSAGE_IGNORE_INSERTS),
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// The max length of paths
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INT_CONSTANT(MAX_PATH),
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// CreateFile desired access
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INT_CONSTANT(GENERIC_ALL),
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INT_CONSTANT(GENERIC_EXECUTE),
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INT_CONSTANT(GENERIC_READ),
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INT_CONSTANT(GENERIC_WRITE),
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// CreateFile share mode
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INT_CONSTANT(FILE_SHARE_DELETE),
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INT_CONSTANT(FILE_SHARE_READ),
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INT_CONSTANT(FILE_SHARE_WRITE),
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// CreateFile creation disposition
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INT_CONSTANT(CREATE_ALWAYS),
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INT_CONSTANT(CREATE_NEW),
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INT_CONSTANT(OPEN_ALWAYS),
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INT_CONSTANT(OPEN_EXISTING),
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INT_CONSTANT(TRUNCATE_EXISTING),
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// CreateFile attributes
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INT_CONSTANT(FILE_ATTRIBUTE_ARCHIVE),
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INT_CONSTANT(FILE_ATTRIBUTE_DIRECTORY),
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INT_CONSTANT(FILE_ATTRIBUTE_NORMAL),
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INT_CONSTANT(FILE_ATTRIBUTE_READONLY),
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INT_CONSTANT(FILE_ATTRIBUTE_REPARSE_POINT),
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INT_CONSTANT(FILE_ATTRIBUTE_TEMPORARY),
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INT_CONSTANT(FILE_FLAG_BACKUP_SEMANTICS),
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// CreateFile error constant
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{ "INVALID_HANDLE_VALUE", INT_TO_JSVAL(INT_PTR(INVALID_HANDLE_VALUE)) },
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// CreateFile flags
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INT_CONSTANT(FILE_FLAG_DELETE_ON_CLOSE),
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// SetFilePointer methods
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INT_CONSTANT(FILE_BEGIN),
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INT_CONSTANT(FILE_CURRENT),
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INT_CONSTANT(FILE_END),
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// SetFilePointer error constant
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INT_CONSTANT(INVALID_SET_FILE_POINTER),
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// File attributes
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INT_CONSTANT(FILE_ATTRIBUTE_DIRECTORY),
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// MoveFile flags
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INT_CONSTANT(MOVEFILE_COPY_ALLOWED),
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INT_CONSTANT(MOVEFILE_REPLACE_EXISTING),
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// Errors
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INT_CONSTANT(ERROR_ACCESS_DENIED),
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INT_CONSTANT(ERROR_FILE_EXISTS),
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INT_CONSTANT(ERROR_FILE_NOT_FOUND),
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INT_CONSTANT(ERROR_NO_MORE_FILES),
|
|
|
|
PROP_END
|
|
};
|
|
#endif // defined(XP_WIN)
|
|
|
|
|
|
/**
|
|
* Get a field of an object as an object.
|
|
*
|
|
* If the field does not exist, create it. If it exists but is not an
|
|
* object, throw a JS error.
|
|
*/
|
|
JSObject *GetOrCreateObjectProperty(JSContext *cx, JSObject *aObject,
|
|
const char *aProperty)
|
|
{
|
|
JS::Value val;
|
|
if (!JS_GetProperty(cx, aObject, aProperty, &val)) {
|
|
return NULL;
|
|
}
|
|
if (!val.isUndefined()) {
|
|
if (val.isObject()) {
|
|
return &val.toObject();
|
|
}
|
|
|
|
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
|
|
JSMSG_UNEXPECTED_TYPE, aProperty, "not an object");
|
|
return NULL;
|
|
}
|
|
return JS_DefineObject(cx, aObject, aProperty, NULL, NULL, JSPROP_ENUMERATE);
|
|
}
|
|
|
|
/**
|
|
* Set a property of an object from a nsString.
|
|
*
|
|
* If the nsString is void (i.e. IsVoid is true), do nothing.
|
|
*/
|
|
bool SetStringProperty(JSContext *cx, JSObject *aObject, const char *aProperty,
|
|
const nsString aValue)
|
|
{
|
|
if (aValue.IsVoid()) {
|
|
return true;
|
|
}
|
|
JSString* strValue = JS_NewUCStringCopyZ(cx, aValue.get());
|
|
jsval valValue = STRING_TO_JSVAL(strValue);
|
|
return JS_SetProperty(cx, aObject, aProperty, &valValue);
|
|
}
|
|
|
|
/**
|
|
* Define OS-specific constants.
|
|
*
|
|
* This function creates or uses JS object |OS.Constants| to store
|
|
* all its constants.
|
|
*/
|
|
bool DefineOSFileConstants(JSContext *cx, JSObject *global)
|
|
{
|
|
MOZ_ASSERT(gInitialized);
|
|
|
|
if (gPaths == NULL) {
|
|
// If an initialization error was ignored, we may end up with
|
|
// |gInitialized == true| but |gPaths == NULL|. We cannot
|
|
// |MOZ_ASSERT| this, as this would kill precompile_cache.js,
|
|
// so we simply return an error.
|
|
JS_ReportErrorNumber(cx, js_GetErrorMessage, NULL,
|
|
JSMSG_CANT_OPEN, "OSFileConstants", "initialization has failed");
|
|
return false;
|
|
}
|
|
|
|
JSObject *objOS;
|
|
if (!(objOS = GetOrCreateObjectProperty(cx, global, "OS"))) {
|
|
return false;
|
|
}
|
|
JSObject *objConstants;
|
|
if (!(objConstants = GetOrCreateObjectProperty(cx, objOS, "Constants"))) {
|
|
return false;
|
|
}
|
|
|
|
// Build OS.Constants.libc
|
|
|
|
JSObject *objLibc;
|
|
if (!(objLibc = GetOrCreateObjectProperty(cx, objConstants, "libc"))) {
|
|
return false;
|
|
}
|
|
if (!dom::DefineConstants(cx, objLibc, gLibcProperties)) {
|
|
return false;
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
// Build OS.Constants.Win
|
|
|
|
JSObject *objWin;
|
|
if (!(objWin = GetOrCreateObjectProperty(cx, objConstants, "Win"))) {
|
|
return false;
|
|
}
|
|
if (!dom::DefineConstants(cx, objWin, gWinProperties)) {
|
|
return false;
|
|
}
|
|
#endif // defined(XP_WIN)
|
|
|
|
// Build OS.Constants.Sys
|
|
|
|
JSObject *objSys;
|
|
if (!(objSys = GetOrCreateObjectProperty(cx, objConstants, "Sys"))) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIXULRuntime> runtime = do_GetService(XULRUNTIME_SERVICE_CONTRACTID);
|
|
if (runtime) {
|
|
nsCAutoString os;
|
|
DebugOnly<nsresult> rv = runtime->GetOS(os);
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv));
|
|
|
|
JSString* strVersion = JS_NewStringCopyZ(cx, os.get());
|
|
if (!strVersion) {
|
|
return false;
|
|
}
|
|
|
|
jsval valVersion = STRING_TO_JSVAL(strVersion);
|
|
if (!JS_SetProperty(cx, objSys, "Name", &valVersion)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Build OS.Constants.Path
|
|
|
|
JSObject *objPath;
|
|
if (!(objPath = GetOrCreateObjectProperty(cx, objConstants, "Path"))) {
|
|
return false;
|
|
}
|
|
|
|
// Locate libxul
|
|
{
|
|
nsAutoString xulPath(gPaths->libDir);
|
|
|
|
xulPath.Append(PR_GetDirectorySeparator());
|
|
|
|
#if defined(XP_MACOSX)
|
|
// Under MacOS X, for some reason, libxul is called simply "XUL"
|
|
xulPath.Append(NS_LITERAL_STRING("XUL"));
|
|
#else
|
|
// On other platforms, libxul is a library "xul" with regular
|
|
// library prefix/suffix
|
|
xulPath.Append(NS_LITERAL_STRING(DLL_PREFIX));
|
|
xulPath.Append(NS_LITERAL_STRING("xul"));
|
|
xulPath.Append(NS_LITERAL_STRING(DLL_SUFFIX));
|
|
#endif // defined(XP_MACOSX)
|
|
|
|
if (!SetStringProperty(cx, objPath, "libxul", xulPath)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (!SetStringProperty(cx, objPath, "libDir", gPaths->libDir)) {
|
|
return false;
|
|
}
|
|
|
|
if (!SetStringProperty(cx, objPath, "tmpDir", gPaths->tmpDir)) {
|
|
return false;
|
|
}
|
|
|
|
if (!SetStringProperty(cx, objPath, "profileDir", gPaths->profileDir)) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS1(OSFileConstantsService, nsIOSFileConstantsService)
|
|
|
|
OSFileConstantsService::OSFileConstantsService()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
}
|
|
|
|
OSFileConstantsService::~OSFileConstantsService()
|
|
{
|
|
mozilla::CleanupOSFileConstants();
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
OSFileConstantsService::Init(JSContext *aCx)
|
|
{
|
|
nsresult rv = mozilla::InitOSFileConstants();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
JSObject *global = JS_GetGlobalForScopeChain(aCx);
|
|
if (!global) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
if (!mozilla::DefineOSFileConstants(aCx, global)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace mozilla
|