diff options
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/io/nsLocalFileUnix.cpp')
| -rw-r--r-- | src/libs/xpcom18a4/xpcom/io/nsLocalFileUnix.cpp | 1724 |
1 files changed, 1724 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/io/nsLocalFileUnix.cpp b/src/libs/xpcom18a4/xpcom/io/nsLocalFileUnix.cpp new file mode 100644 index 00000000..eef17bde --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/io/nsLocalFileUnix.cpp @@ -0,0 +1,1724 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Mozilla Communicator client code, released + * March 31, 1998. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Mike Shaver <shaver@mozilla.org> + * Christopher Blizzard <blizzard@mozilla.org> + * Jason Eager <jce2@po.cwru.edu> + * Stuart Parmenter <pavlov@netscape.com> + * Brendan Eich <brendan@mozilla.org> + * Pete Collins <petejc@mozdev.org> + * Paul Ashford <arougthopher@lizardland.net> + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/** + * Implementation of nsIFile for ``Unixy'' systems. + */ + +// We're going to need some autoconf loving, I can just tell. +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include <utime.h> +#include <dirent.h> +#include <ctype.h> +#include <locale.h> +#ifdef XP_BEOS + #include <Path.h> + #include <Entry.h> + #include <Roster.h> +#endif +#if defined(VMS) + #include <fabdef.h> +#endif + +#include "nsDirectoryServiceDefs.h" +#include "nsCRT.h" +#include "nsCOMPtr.h" +#include "nsMemory.h" +#include "nsIFile.h" +#include "nsString.h" +#include "nsReadableUtils.h" +#include "nsLocalFile.h" +#include "nsIComponentManager.h" +#include "nsXPIDLString.h" +#include "prproces.h" +#include "nsISimpleEnumerator.h" +#include "nsITimelineService.h" + +#include "nsNativeCharsetUtils.h" + +// On some platforms file/directory name comparisons need to +// be case-blind. +#if defined(VMS) + #define FILE_STRCMP strcasecmp + #define FILE_STRNCMP strncasecmp +#else + #define FILE_STRCMP strcmp + #define FILE_STRNCMP strncmp +#endif + +#define VALIDATE_STAT_CACHE() \ + PR_BEGIN_MACRO \ + if (!mHaveCachedStat) { \ + FillStatCache(); \ + if (!mHaveCachedStat) \ + return NSRESULT_FOR_ERRNO(); \ + } \ + PR_END_MACRO + +#define CHECK_mPath() \ + PR_BEGIN_MACRO \ + if (mPath.IsEmpty()) \ + return NS_ERROR_NOT_INITIALIZED; \ + PR_END_MACRO + +/* directory enumerator */ +class NS_COM +nsDirEnumeratorUnix : public nsISimpleEnumerator +{ + public: + nsDirEnumeratorUnix(); + + // nsISupports interface + NS_DECL_ISUPPORTS + + // nsISimpleEnumerator interface + NS_DECL_NSISIMPLEENUMERATOR + + NS_IMETHOD Init(nsLocalFile *parent, PRBool ignored); + + private: + ~nsDirEnumeratorUnix(); + + protected: + NS_IMETHOD GetNextEntry(); + + DIR *mDir; + struct dirent *mEntry; + nsCString mParentPath; +}; + +nsDirEnumeratorUnix::nsDirEnumeratorUnix() : + mDir(nsnull), + mEntry(nsnull) +{ +} + +nsDirEnumeratorUnix::~nsDirEnumeratorUnix() +{ + if (mDir) + closedir(mDir); +} + +NS_IMPL_ISUPPORTS1(nsDirEnumeratorUnix, nsISimpleEnumerator) + +NS_IMETHODIMP +nsDirEnumeratorUnix::Init(nsLocalFile *parent, PRBool resolveSymlinks /*ignored*/) +{ + nsCAutoString dirPath; + if (NS_FAILED(parent->GetNativePath(dirPath)) || + dirPath.IsEmpty()) { + return NS_ERROR_FILE_INVALID_PATH; + } + + if (NS_FAILED(parent->GetNativePath(mParentPath))) + return NS_ERROR_FAILURE; + + mDir = opendir(dirPath.get()); + if (!mDir) + return NSRESULT_FOR_ERRNO(); + return GetNextEntry(); +} + +NS_IMETHODIMP +nsDirEnumeratorUnix::HasMoreElements(PRBool *result) +{ + *result = mDir && mEntry; + return NS_OK; +} + +NS_IMETHODIMP +nsDirEnumeratorUnix::GetNext(nsISupports **_retval) +{ + nsresult rv; + if (!mDir || !mEntry) { + *_retval = nsnull; + return NS_OK; + } + + nsLocalFile* file = new nsLocalFile(); + if (!file) + return NS_ERROR_OUT_OF_MEMORY; + + if (NS_FAILED(rv = file->InitWithNativePath(mParentPath)) || + NS_FAILED(rv = file->AppendNative(nsDependentCString(mEntry->d_name)))) { + return rv; + } + *_retval = NS_STATIC_CAST(nsISupports *, file); + NS_ADDREF(*_retval); + return GetNextEntry(); +} + +NS_IMETHODIMP +nsDirEnumeratorUnix::GetNextEntry() +{ + do { + errno = 0; + mEntry = readdir(mDir); + + // end of dir or error + if (!mEntry) + return NSRESULT_FOR_ERRNO(); + + // keep going past "." and ".." + } while (mEntry->d_name[0] == '.' && + (mEntry->d_name[1] == '\0' || // .\0 + (mEntry->d_name[1] == '.' && + mEntry->d_name[2] == '\0'))); // ..\0 + return NS_OK; +} + +nsLocalFile::nsLocalFile() : + mHaveCachedStat(PR_FALSE) +{ +} + +nsLocalFile::nsLocalFile(const nsLocalFile& other) + : mCachedStat(other.mCachedStat) + , mPath(other.mPath) + , mHaveCachedStat(other.mHaveCachedStat) +{ +} + +NS_IMPL_THREADSAFE_ISUPPORTS2(nsLocalFile, + nsIFile, + nsILocalFile) + +nsresult +nsLocalFile::nsLocalFileConstructor(nsISupports *outer, + const nsIID &aIID, + void **aInstancePtr) +{ + NS_ENSURE_ARG_POINTER(aInstancePtr); + NS_ENSURE_NO_AGGREGATION(outer); + + *aInstancePtr = nsnull; + + nsCOMPtr<nsIFile> inst = new nsLocalFile(); + if (!inst) + return NS_ERROR_OUT_OF_MEMORY; + return inst->QueryInterface(aIID, aInstancePtr); +} + +nsresult +nsLocalFile::FillStatCache() { + if (stat(mPath.get(), &mCachedStat) == -1) { + // try lstat it may be a symlink + if (lstat(mPath.get(), &mCachedStat) == -1) { + return NSRESULT_FOR_ERRNO(); + } + } + mHaveCachedStat = PR_TRUE; + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::Clone(nsIFile **file) +{ + // Just copy-construct ourselves + *file = new nsLocalFile(*this); + if (!*file) + return NS_ERROR_OUT_OF_MEMORY; + + NS_ADDREF(*file); + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::InitWithNativePath(const nsACString &filePath) +{ + if (Substring(filePath, 0, 2).EqualsLiteral("~/")) { + nsCOMPtr<nsIFile> homeDir; + nsCAutoString homePath; + if (NS_FAILED(NS_GetSpecialDirectory(NS_OS_HOME_DIR, + getter_AddRefs(homeDir))) || + NS_FAILED(homeDir->GetNativePath(homePath))) { + return NS_ERROR_FAILURE; + } + + mPath = homePath + Substring(filePath, 1, filePath.Length() - 1); + } else if (filePath.IsEmpty() || filePath.First() != '/') { + NS_ERROR("Relative paths not allowed"); + return NS_ERROR_FILE_UNRECOGNIZED_PATH; + } else { + mPath = filePath; + } + + // trim off trailing slashes + ssize_t len = mPath.Length(); + while ((len > 1) && (mPath[len - 1] == '/')) + --len; + mPath.SetLength(len); + + InvalidateCache(); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::CreateAllAncestors(PRUint32 permissions) +{ + // <jband> I promise to play nice + char *buffer = mPath.BeginWriting(), + *slashp = buffer; + +#ifdef DEBUG_NSIFILE + fprintf(stderr, "nsIFile: before: %s\n", buffer); +#endif + + while ((slashp = strchr(slashp + 1, '/'))) { + /* + * Sequences of '/' are equivalent to a single '/'. + */ + if (slashp[1] == '/') + continue; + + /* + * If the path has a trailing slash, don't make the last component, + * because we'll get EEXIST in Create when we try to build the final + * component again, and it's easier to condition the logic here than + * there. + */ + if (slashp[1] == '\0') + break; + + /* Temporarily NUL-terminate here */ + *slashp = '\0'; +#ifdef DEBUG_NSIFILE + fprintf(stderr, "nsIFile: mkdir(\"%s\")\n", buffer); +#endif + int mkdir_result = mkdir(buffer, permissions); + int mkdir_errno = errno; + if (mkdir_result == -1) { + /* + * Always set |errno| to EEXIST if the dir already exists + * (we have to do this here since the errno value is not consistent + * in all cases - various reasons like different platform, + * automounter-controlled dir, etc. can affect it (see bug 125489 + * for details)). + */ + if (access(buffer, F_OK) == 0) { + mkdir_errno = EEXIST; + } + } + + /* Put the / back before we (maybe) return */ + *slashp = '/'; + + /* + * We could get EEXIST for an existing file -- not directory -- + * with the name of one of our ancestors, but that's OK: we'll get + * ENOTDIR when we try to make the next component in the path, + * either here on back in Create, and error out appropriately. + */ + if (mkdir_result == -1 && mkdir_errno != EEXIST) + return nsresultForErrno(mkdir_errno); + } + +#ifdef DEBUG_NSIFILE + fprintf(stderr, "nsIFile: after: %s\n", buffer); +#endif + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc **_retval) +{ + *_retval = PR_Open(mPath.get(), flags, mode); + if (! *_retval) + return NS_ErrorAccordingToNSPR(); + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::OpenANSIFileDesc(const char *mode, FILE **_retval) +{ + *_retval = fopen(mPath.get(), mode); + if (! *_retval) + return NS_ERROR_FAILURE; + + return NS_OK; +} + +static int +do_create(const char *path, PRIntn flags, mode_t mode, PRFileDesc **_retval) +{ + *_retval = PR_Open(path, flags, mode); + return *_retval ? 0 : -1; +} + +static int +do_mkdir(const char *path, PRIntn flags, mode_t mode, PRFileDesc **_retval) +{ + *_retval = nsnull; + return mkdir(path, mode); +} + +nsresult +nsLocalFile::CreateAndKeepOpen(PRUint32 type, PRIntn flags, + PRUint32 permissions, PRFileDesc **_retval) +{ + if (type != NORMAL_FILE_TYPE && type != DIRECTORY_TYPE) + return NS_ERROR_FILE_UNKNOWN_TYPE; + + int result; + int (*createFunc)(const char *, PRIntn, mode_t, PRFileDesc **) = + (type == NORMAL_FILE_TYPE) ? do_create : do_mkdir; + + result = createFunc(mPath.get(), flags, permissions, _retval); + if (result == -1 && errno == ENOENT) { + /* + * If we failed because of missing ancestor components, try to create + * them and then retry the original creation. + * + * Ancestor directories get the same permissions as the file we're + * creating, with the X bit set for each of (user,group,other) with + * an R bit in the original permissions. If you want to do anything + * fancy like setgid or sticky bits, do it by hand. + */ + int dirperm = permissions; + if (permissions & S_IRUSR) + dirperm |= S_IXUSR; + if (permissions & S_IRGRP) + dirperm |= S_IXGRP; + if (permissions & S_IROTH) + dirperm |= S_IXOTH; + +#ifdef DEBUG_NSIFILE + fprintf(stderr, "nsIFile: perm = %o, dirperm = %o\n", permissions, + dirperm); +#endif + + if (NS_FAILED(CreateAllAncestors(dirperm))) + return NS_ERROR_FAILURE; + +#ifdef DEBUG_NSIFILE + fprintf(stderr, "nsIFile: Create(\"%s\") again\n", mPath.get()); +#endif + result = createFunc(mPath.get(), flags, permissions, _retval); + } + + return NSRESULT_FOR_RETURN(result); +} + +NS_IMETHODIMP +nsLocalFile::Create(PRUint32 type, PRUint32 permissions) +{ + PRFileDesc *junk = nsnull; + nsresult rv = CreateAndKeepOpen(type, + PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE | + PR_EXCL, + permissions, + &junk); + if (junk) + PR_Close(junk); + return rv; +} + +NS_IMETHODIMP +nsLocalFile::AppendNative(const nsACString &fragment) +{ + if (fragment.IsEmpty()) + return NS_OK; + + // only one component of path can be appended + nsACString::const_iterator begin, end; + if (FindCharInReadable('/', fragment.BeginReading(begin), + fragment.EndReading(end))) + return NS_ERROR_FILE_UNRECOGNIZED_PATH; + + return AppendRelativeNativePath(fragment); +} + +NS_IMETHODIMP +nsLocalFile::AppendRelativeNativePath(const nsACString &fragment) +{ + if (fragment.IsEmpty()) + return NS_OK; + + // No leading '/' + if (fragment.First() == '/') + return NS_ERROR_FILE_UNRECOGNIZED_PATH; + + if (mPath.EqualsLiteral("/")) + mPath.Append(fragment); + else + mPath.Append(NS_LITERAL_CSTRING("/") + fragment); + + InvalidateCache(); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::Normalize() +{ + char resolved_path[PATH_MAX] = ""; + char *resolved_path_ptr = nsnull; + +#ifdef XP_BEOS + BEntry be_e(mPath.get(), true); + BPath be_p; + status_t err; + if ((err = be_e.GetPath(&be_p)) == B_OK) { + resolved_path_ptr = (char *)be_p.Path(); + PL_strncpyz(resolved_path, resolved_path_ptr, PATH_MAX - 1); + } +#else + resolved_path_ptr = realpath(mPath.get(), resolved_path); +#endif + // if there is an error, the return is null. + if (!resolved_path_ptr) + return NSRESULT_FOR_ERRNO(); + + mPath = resolved_path; + return NS_OK; +} + +void +nsLocalFile::LocateNativeLeafName(nsACString::const_iterator &begin, + nsACString::const_iterator &end) +{ + // XXX perhaps we should cache this?? + + mPath.BeginReading(begin); + mPath.EndReading(end); + + nsACString::const_iterator it = end; + nsACString::const_iterator stop = begin; + --stop; + while (--it != stop) { + if (*it == '/') { + begin = ++it; + return; + } + } + // else, the entire path is the leaf name (which means this + // isn't an absolute path... unexpected??) +} + +NS_IMETHODIMP +nsLocalFile::GetNativeLeafName(nsACString &aLeafName) +{ + nsACString::const_iterator begin, end; + LocateNativeLeafName(begin, end); + aLeafName = Substring(begin, end); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetNativeLeafName(const nsACString &aLeafName) +{ + nsACString::const_iterator begin, end; + LocateNativeLeafName(begin, end); + mPath.Replace(begin.get() - mPath.get(), Distance(begin, end), aLeafName); + InvalidateCache(); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetNativePath(nsACString &_retval) +{ + _retval = mPath; + return NS_OK; +} + +nsresult +nsLocalFile::GetNativeTargetPathName(nsIFile *newParent, + const nsACString &newName, + nsACString &_retval) +{ + nsresult rv; + nsCOMPtr<nsIFile> oldParent; + + if (!newParent) { + if (NS_FAILED(rv = GetParent(getter_AddRefs(oldParent)))) + return rv; + newParent = oldParent.get(); + } else { + // check to see if our target directory exists + PRBool targetExists; + if (NS_FAILED(rv = newParent->Exists(&targetExists))) + return rv; + + if (!targetExists) { + // XXX create the new directory with some permissions + rv = newParent->Create(DIRECTORY_TYPE, 0700); + if (NS_FAILED(rv)) + return rv; + } else { + // make sure that the target is actually a directory + PRBool targetIsDirectory; + if (NS_FAILED(rv = newParent->IsDirectory(&targetIsDirectory))) + return rv; + if (!targetIsDirectory) + return NS_ERROR_FILE_DESTINATION_NOT_DIR; + } + } + + nsACString::const_iterator nameBegin, nameEnd; + if (!newName.IsEmpty()) { + newName.BeginReading(nameBegin); + newName.EndReading(nameEnd); + } + else + LocateNativeLeafName(nameBegin, nameEnd); + + nsCAutoString dirName; + if (NS_FAILED(rv = newParent->GetNativePath(dirName))) + return rv; + + _retval = dirName + + NS_LITERAL_CSTRING("/") + + Substring(nameBegin, nameEnd); + return NS_OK; +} + +nsresult +nsLocalFile::CopyDirectoryTo(nsIFile *newParent) +{ + nsresult rv; + /* + * dirCheck is used for various boolean test results such as from Equals, + * Exists, isDir, etc. + */ + PRBool dirCheck, isSymlink; + PRUint32 oldPerms; + + if (NS_FAILED((rv = IsDirectory(&dirCheck)))) + return rv; + if (!dirCheck) + return CopyToNative(newParent, EmptyCString()); + + if (NS_FAILED(rv = Equals(newParent, &dirCheck))) + return rv; + if (dirCheck) { + // can't copy dir to itself + return NS_ERROR_INVALID_ARG; + } + + if (NS_FAILED(rv = newParent->Exists(&dirCheck))) + return rv; + // get the dirs old permissions + if (NS_FAILED(rv = GetPermissions(&oldPerms))) + return rv; + if (!dirCheck) { + if (NS_FAILED(rv = newParent->Create(DIRECTORY_TYPE, oldPerms))) + return rv; + } else { // dir exists lets try to use leaf + nsCAutoString leafName; + if (NS_FAILED(rv = GetNativeLeafName(leafName))) + return rv; + if (NS_FAILED(rv = newParent->AppendNative(leafName))) + return rv; + if (NS_FAILED(rv = newParent->Exists(&dirCheck))) + return rv; + if (dirCheck) + return NS_ERROR_FILE_ALREADY_EXISTS; // dest exists + if (NS_FAILED(rv = newParent->Create(DIRECTORY_TYPE, oldPerms))) + return rv; + } + + nsCOMPtr<nsISimpleEnumerator> dirIterator; + if (NS_FAILED(rv = GetDirectoryEntries(getter_AddRefs(dirIterator)))) + return rv; + + PRBool hasMore = PR_FALSE; + while (dirIterator->HasMoreElements(&hasMore), hasMore) { + nsCOMPtr<nsIFile> entry; + rv = dirIterator->GetNext((nsISupports**)getter_AddRefs(entry)); + if (NS_FAILED(rv)) + continue; + if (NS_FAILED(rv = entry->IsSymlink(&isSymlink))) + return rv; + if (NS_FAILED(rv = entry->IsDirectory(&dirCheck))) + return rv; + if (dirCheck && !isSymlink) { + nsCOMPtr<nsIFile> destClone; + rv = newParent->Clone(getter_AddRefs(destClone)); + if (NS_SUCCEEDED(rv)) { + nsCOMPtr<nsILocalFile> newDir(do_QueryInterface(destClone)); + if (NS_FAILED(rv = entry->CopyToNative(newDir, EmptyCString()))) { +#ifdef DEBUG + nsresult rv2; + nsCAutoString pathName; + if (NS_FAILED(rv2 = entry->GetNativePath(pathName))) + return rv2; + printf("Operation not supported: %s\n", pathName.get()); +#endif + if (rv == NS_ERROR_OUT_OF_MEMORY) + return rv; + continue; + } + } + } else { + if (NS_FAILED(rv = entry->CopyToNative(newParent, EmptyCString()))) { +#ifdef DEBUG + nsresult rv2; + nsCAutoString pathName; + if (NS_FAILED(rv2 = entry->GetNativePath(pathName))) + return rv2; + printf("Operation not supported: %s\n", pathName.get()); +#endif + if (rv == NS_ERROR_OUT_OF_MEMORY) + return rv; + continue; + } + } + } + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::CopyToNative(nsIFile *newParent, const nsACString &newName) +{ + nsresult rv; + // check to make sure that this has been initialized properly + CHECK_mPath(); + + // we copy the parent here so 'newParent' remains immutable + nsCOMPtr <nsIFile> workParent; + if (newParent) { + if (NS_FAILED(rv = newParent->Clone(getter_AddRefs(workParent)))) + return rv; + } else { + if (NS_FAILED(rv = GetParent(getter_AddRefs(workParent)))) + return rv; + } + + // check to see if we are a directory or if we are a file + PRBool isDirectory; + if (NS_FAILED(rv = IsDirectory(&isDirectory))) + return rv; + + nsCAutoString newPathName; + if (isDirectory) { + if (!newName.IsEmpty()) { + if (NS_FAILED(rv = workParent->AppendNative(newName))) + return rv; + } else { + if (NS_FAILED(rv = GetNativeLeafName(newPathName))) + return rv; + if (NS_FAILED(rv = workParent->AppendNative(newPathName))) + return rv; + } + if (NS_FAILED(rv = CopyDirectoryTo(workParent))) + return rv; + } else { + rv = GetNativeTargetPathName(workParent, newName, newPathName); + if (NS_FAILED(rv)) + return rv; + +#ifdef DEBUG_blizzard + printf("nsLocalFile::CopyTo() %s -> %s\n", mPath.get(), newPathName.get()); +#endif + + // actually create the file. + nsLocalFile *newFile = new nsLocalFile(); + if (!newFile) + return NS_ERROR_OUT_OF_MEMORY; + + nsCOMPtr<nsILocalFile> fileRef(newFile); // release on exit + + rv = newFile->InitWithNativePath(newPathName); + if (NS_FAILED(rv)) + return rv; + + // get the old permissions + PRUint32 myPerms; + GetPermissions(&myPerms); + + // Create the new file with the old file's permissions, even if write + // permission is missing. We can't create with write permission and + // then change back to myPerm on all filesystems (FAT on Linux, e.g.). + // But we can write to a read-only file on all Unix filesystems if we + // open it successfully for writing. + + PRFileDesc *newFD; + rv = newFile->CreateAndKeepOpen(NORMAL_FILE_TYPE, + PR_WRONLY|PR_CREATE_FILE|PR_TRUNCATE, + myPerms, + &newFD); + if (NS_FAILED(rv)) + return rv; + + // open the old file, too + PRBool specialFile; + if (NS_FAILED(rv = IsSpecial(&specialFile))) { + PR_Close(newFD); + return rv; + } + if (specialFile) { +#ifdef DEBUG + printf("Operation not supported: %s\n", mPath.get()); +#endif + // make sure to clean up properly + PR_Close(newFD); + return NS_OK; + } + + PRFileDesc *oldFD; + rv = OpenNSPRFileDesc(PR_RDONLY, myPerms, &oldFD); + if (NS_FAILED(rv)) { + // make sure to clean up properly + PR_Close(newFD); + return rv; + } + +#ifdef DEBUG_blizzard + PRInt32 totalRead = 0; + PRInt32 totalWritten = 0; +#endif + char buf[BUFSIZ]; + PRInt32 bytesRead; + + while ((bytesRead = PR_Read(oldFD, buf, BUFSIZ)) > 0) { +#ifdef DEBUG_blizzard + totalRead += bytesRead; +#endif + + // PR_Write promises never to do a short write + PRInt32 bytesWritten = PR_Write(newFD, buf, bytesRead); + if (bytesWritten < 0) { + bytesRead = -1; + break; + } + NS_ASSERTION(bytesWritten == bytesRead, "short PR_Write?"); + +#ifdef DEBUG_blizzard + totalWritten += bytesWritten; +#endif + } + +#ifdef DEBUG_blizzard + printf("read %d bytes, wrote %d bytes\n", + totalRead, totalWritten); +#endif + + // close the files + PR_Close(newFD); + PR_Close(oldFD); + + // check for read (or write) error after cleaning up + if (bytesRead < 0) + return NS_ERROR_OUT_OF_MEMORY; + } + return rv; +} + +NS_IMETHODIMP +nsLocalFile::CopyToFollowingLinksNative(nsIFile *newParent, const nsACString &newName) +{ + return CopyToNative(newParent, newName); +} + +NS_IMETHODIMP +nsLocalFile::MoveToNative(nsIFile *newParent, const nsACString &newName) +{ + nsresult rv; + + // check to make sure that this has been initialized properly + CHECK_mPath(); + + // check to make sure that we have a new parent + nsCAutoString newPathName; + rv = GetNativeTargetPathName(newParent, newName, newPathName); + if (NS_FAILED(rv)) + return rv; + + // try for atomic rename, falling back to copy/delete + if (rename(mPath.get(), newPathName.get()) < 0) { +#ifdef VMS + if (errno == EXDEV || errno == ENXIO) { +#else + if (errno == EXDEV) { +#endif + rv = CopyToNative(newParent, newName); + if (NS_SUCCEEDED(rv)) + rv = Remove(PR_TRUE); + } else { + rv = NSRESULT_FOR_ERRNO(); + } + } + return rv; +} + +NS_IMETHODIMP +nsLocalFile::Remove(PRBool recursive) +{ + CHECK_mPath(); + + VALIDATE_STAT_CACHE(); + PRBool isSymLink, isDir; + + nsresult rv = IsSymlink(&isSymLink); + if (NS_FAILED(rv)) + return rv; + + if (!recursive && isSymLink) + return NSRESULT_FOR_RETURN(unlink(mPath.get())); + + isDir = S_ISDIR(mCachedStat.st_mode); + InvalidateCache(); + if (isDir) { + if (recursive) { + nsDirEnumeratorUnix *dir = new nsDirEnumeratorUnix(); + if (!dir) + return NS_ERROR_OUT_OF_MEMORY; + + nsCOMPtr<nsISimpleEnumerator> dirRef(dir); // release on exit + + rv = dir->Init(this, PR_FALSE); + if (NS_FAILED(rv)) + return rv; + + PRBool more; + while (dir->HasMoreElements(&more), more) { + nsCOMPtr<nsISupports> item; + rv = dir->GetNext(getter_AddRefs(item)); + if (NS_FAILED(rv)) + return NS_ERROR_FAILURE; + + nsCOMPtr<nsIFile> file = do_QueryInterface(item, &rv); + if (NS_FAILED(rv)) + return NS_ERROR_FAILURE; + if (NS_FAILED(rv = file->Remove(recursive))) + return rv; + } + } + + if (rmdir(mPath.get()) == -1) + return NSRESULT_FOR_ERRNO(); + } else { + if (unlink(mPath.get()) == -1) + return NSRESULT_FOR_ERRNO(); + } + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetLastModifiedTime(PRInt64 *aLastModTime) +{ + CHECK_mPath(); + NS_ENSURE_ARG(aLastModTime); + + PRFileInfo64 info; + if (PR_GetFileInfo64(mPath.get(), &info) != PR_SUCCESS) + return NSRESULT_FOR_ERRNO(); + + // PRTime is a 64 bit value + // microseconds -> milliseconds + PRInt64 usecPerMsec; + LL_I2L(usecPerMsec, PR_USEC_PER_MSEC); + LL_DIV(*aLastModTime, info.modifyTime, usecPerMsec); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetLastModifiedTime(PRInt64 aLastModTime) +{ + CHECK_mPath(); + + int result; + if (! LL_IS_ZERO(aLastModTime)) { + VALIDATE_STAT_CACHE(); + struct utimbuf ut; + ut.actime = mCachedStat.st_atime; + + // convert milliseconds to seconds since the unix epoch + double dTime; + LL_L2D(dTime, aLastModTime); + ut.modtime = (time_t) (dTime / PR_MSEC_PER_SEC); + result = utime(mPath.get(), &ut); + } else { + result = utime(mPath.get(), nsnull); + } + InvalidateCache(); + return NSRESULT_FOR_RETURN(result); +} + +NS_IMETHODIMP +nsLocalFile::GetLastModifiedTimeOfLink(PRInt64 *aLastModTimeOfLink) +{ + CHECK_mPath(); + NS_ENSURE_ARG(aLastModTimeOfLink); + + struct stat sbuf; + if (lstat(mPath.get(), &sbuf) == -1) + return NSRESULT_FOR_ERRNO(); + LL_I2L(*aLastModTimeOfLink, (PRInt32)sbuf.st_mtime); + + // lstat returns st_mtime in seconds + PRInt64 msecPerSec; + LL_I2L(msecPerSec, PR_MSEC_PER_SEC); + LL_MUL(*aLastModTimeOfLink, *aLastModTimeOfLink, msecPerSec); + + return NS_OK; +} + +/* + * utime(2) may or may not dereference symlinks, joy. + */ +NS_IMETHODIMP +nsLocalFile::SetLastModifiedTimeOfLink(PRInt64 aLastModTimeOfLink) +{ + return SetLastModifiedTime(aLastModTimeOfLink); +} + +/* + * Only send back permissions bits: maybe we want to send back the whole + * mode_t to permit checks against other file types? + */ + +#define NORMALIZE_PERMS(mode) ((mode)& (S_IRWXU | S_IRWXG | S_IRWXO)) + +NS_IMETHODIMP +nsLocalFile::GetPermissions(PRUint32 *aPermissions) +{ + NS_ENSURE_ARG(aPermissions); + VALIDATE_STAT_CACHE(); + *aPermissions = NORMALIZE_PERMS(mCachedStat.st_mode); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetPermissionsOfLink(PRUint32 *aPermissionsOfLink) +{ + CHECK_mPath(); + NS_ENSURE_ARG(aPermissionsOfLink); + + struct stat sbuf; + if (lstat(mPath.get(), &sbuf) == -1) + return NSRESULT_FOR_ERRNO(); + *aPermissionsOfLink = NORMALIZE_PERMS(sbuf.st_mode); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetPermissions(PRUint32 aPermissions) +{ + CHECK_mPath(); + + InvalidateCache(); + + /* + * Race condition here: we should use fchmod instead, there's no way to + * guarantee the name still refers to the same file. + */ + if (chmod(mPath.get(), aPermissions) < 0) + return NSRESULT_FOR_ERRNO(); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetPermissionsOfLink(PRUint32 aPermissions) +{ + return SetPermissions(aPermissions); +} + +NS_IMETHODIMP +nsLocalFile::GetFileSize(PRInt64 *aFileSize) +{ + NS_ENSURE_ARG_POINTER(aFileSize); + *aFileSize = LL_ZERO; + VALIDATE_STAT_CACHE(); + +#if defined(VMS) + /* Only two record formats can report correct file content size */ + if ((mCachedStat.st_fab_rfm != FAB$C_STMLF) && + (mCachedStat.st_fab_rfm != FAB$C_STMCR)) { + return NS_ERROR_FAILURE; + } +#endif + + /* XXX autoconf for and use stat64 if available */ + if (!S_ISDIR(mCachedStat.st_mode)) { + LL_UI2L(*aFileSize, (PRUint32)mCachedStat.st_size); + } + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetFileSize(PRInt64 aFileSize) +{ + CHECK_mPath(); + + PRInt32 size; + LL_L2I(size, aFileSize); + /* XXX truncate64? */ + InvalidateCache(); + if (truncate(mPath.get(), (off_t)size) == -1) + return NSRESULT_FOR_ERRNO(); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSize) +{ + CHECK_mPath(); + NS_ENSURE_ARG(aFileSize); + + struct stat sbuf; + if (lstat(mPath.get(), &sbuf) == -1) + return NSRESULT_FOR_ERRNO(); + /* XXX autoconf for and use lstat64 if available */ + LL_UI2L(*aFileSize, (PRUint32)sbuf.st_size); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable) +{ + NS_ENSURE_ARG_POINTER(aDiskSpaceAvailable); + + // These systems have the operations necessary to check disk space. + +#if defined(HAVE_SYS_STATFS_H) || defined(HAVE_SYS_STATVFS_H) + + // check to make sure that mPath is properly initialized + CHECK_mPath(); + + struct STATFS fs_buf; + + /* + * Members of the STATFS struct that you should know about: + * f_bsize = block size on disk. + * f_bavail = number of free blocks available to a non-superuser. + * f_bfree = number of total free blocks in file system. + */ + + if (STATFS(mPath.get(), &fs_buf) < 0) { + // The call to STATFS failed. +#ifdef DEBUG + printf("ERROR: GetDiskSpaceAvailable: STATFS call FAILED. \n"); +#endif + return NS_ERROR_FAILURE; + } +#ifdef DEBUG_DISK_SPACE + printf("DiskSpaceAvailable: %d bytes\n", + fs_buf.f_bsize * (fs_buf.f_bavail - 1)); +#endif + + /* + * The number of bytes free == The number of free blocks available to + * a non-superuser, minus one as a fudge factor, multiplied by the size + * of the aforementioned blocks. + */ + PRInt64 bsize, bavail; + + LL_I2L(bsize, fs_buf.f_bsize); + LL_I2L(bavail, fs_buf.f_bavail - 1); + LL_MUL(*aDiskSpaceAvailable, bsize, bavail); + return NS_OK; + +#else + /* + * This platform doesn't have statfs or statvfs. I'm sure that there's + * a way to check for free disk space on platforms that don't have statfs + * (I'm SURE they have df, for example). + * + * Until we figure out how to do that, lets be honest and say that this + * command isn't implemented properly for these platforms yet. + */ +#ifdef DEBUG + printf("ERROR: GetDiskSpaceAvailable: Not implemented for plaforms without statfs.\n"); +#endif + return NS_ERROR_NOT_IMPLEMENTED; + +#endif /* HAVE_SYS_STATFS_H or HAVE_SYS_STATVFS_H */ + +} + +NS_IMETHODIMP +nsLocalFile::GetParent(nsIFile **aParent) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(aParent); + *aParent = nsnull; + + // if '/' we are at the top of the volume, return null + if (mPath.Equals("/")) + return NS_OK; + + // <brendan, after jband> I promise to play nice + char *buffer = mPath.BeginWriting(), + *slashp = buffer; + + // find the last significant slash in buffer + slashp = strrchr(buffer, '/'); + NS_ASSERTION(slashp, "non-canonical mPath?"); + if (!slashp) + return NS_ERROR_FILE_INVALID_PATH; + + // for the case where we are at '/' + if (slashp == buffer) + slashp++; + + // temporarily terminate buffer at the last significant slash + char c = *slashp; + *slashp = '\0'; + + nsCOMPtr<nsILocalFile> localFile; + nsresult rv = NS_NewNativeLocalFile(nsDependentCString(buffer), PR_TRUE, + getter_AddRefs(localFile)); + + // make buffer whole again + *slashp = c; + + if (NS_SUCCEEDED(rv) && localFile) + rv = CallQueryInterface(localFile, aParent); + return rv; +} + +/* + * The results of Exists, isWritable and isReadable are not cached. + */ + +NS_IMETHODIMP +nsLocalFile::Exists(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + + *_retval = (access(mPath.get(), F_OK) == 0); + return NS_OK; +} + +#ifdef XP_BEOS +// access() is buggy in BeOS POSIX implementation, at least for BFS, using stat() instead +NS_IMETHODIMP +nsLocalFile::IsWritable(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + struct stat buf; + *_retval = (stat(mPath.get(), &buf) == 0); + *_retval = *_retval && (buf.st_mode & (S_IWUSR | S_IWGRP | S_IWOTH )); + if (*_retval || errno == EACCES) + return NS_OK; + return NSRESULT_FOR_ERRNO(); +} + +NS_IMETHODIMP +nsLocalFile::IsReadable(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + struct stat buf; + *_retval = (stat(mPath.get(), &buf) == 0); + *_retval = *_retval && (buf.st_mode & (S_IRUSR | S_IRGRP | S_IROTH )); + if (*_retval || errno == EACCES) + return NS_OK; + return NSRESULT_FOR_ERRNO(); +} + +NS_IMETHODIMP +nsLocalFile::IsExecutable(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + struct stat buf; + *_retval = (stat(mPath.get(), &buf) == 0); + *_retval = *_retval && (buf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH )); + if (*_retval || errno == EACCES) + return NS_OK; + return NSRESULT_FOR_ERRNO(); +} +#else +NS_IMETHODIMP +nsLocalFile::IsWritable(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + + *_retval = (access(mPath.get(), W_OK) == 0); + if (*_retval || errno == EACCES) + return NS_OK; + return NSRESULT_FOR_ERRNO(); +} + +NS_IMETHODIMP +nsLocalFile::IsReadable(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + + *_retval = (access(mPath.get(), R_OK) == 0); + if (*_retval || errno == EACCES) + return NS_OK; + return NSRESULT_FOR_ERRNO(); +} + +NS_IMETHODIMP +nsLocalFile::IsExecutable(PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + + *_retval = (access(mPath.get(), X_OK) == 0); + if (*_retval || errno == EACCES) + return NS_OK; + return NSRESULT_FOR_ERRNO(); +} +#endif +NS_IMETHODIMP +nsLocalFile::IsDirectory(PRBool *_retval) +{ + NS_ENSURE_ARG_POINTER(_retval); + *_retval = PR_FALSE; + VALIDATE_STAT_CACHE(); + *_retval = S_ISDIR(mCachedStat.st_mode); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::IsFile(PRBool *_retval) +{ + NS_ENSURE_ARG_POINTER(_retval); + *_retval = PR_FALSE; + VALIDATE_STAT_CACHE(); + *_retval = S_ISREG(mCachedStat.st_mode); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::IsHidden(PRBool *_retval) +{ + NS_ENSURE_ARG_POINTER(_retval); + nsACString::const_iterator begin, end; + LocateNativeLeafName(begin, end); + *_retval = (*begin == '.'); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::IsSymlink(PRBool *_retval) +{ + NS_ENSURE_ARG_POINTER(_retval); + CHECK_mPath(); + + struct stat symStat; + lstat(mPath.get(), &symStat); + *_retval=S_ISLNK(symStat.st_mode); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::IsSpecial(PRBool *_retval) +{ + NS_ENSURE_ARG_POINTER(_retval); + VALIDATE_STAT_CACHE(); + *_retval = S_ISCHR(mCachedStat.st_mode) || + S_ISBLK(mCachedStat.st_mode) || +#ifdef S_ISSOCK + S_ISSOCK(mCachedStat.st_mode) || +#endif + S_ISFIFO(mCachedStat.st_mode); + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval) +{ + NS_ENSURE_ARG(inFile); + NS_ENSURE_ARG_POINTER(_retval); + *_retval = PR_FALSE; + + nsresult rv; + nsCAutoString inPath; + + if (NS_FAILED(rv = inFile->GetNativePath(inPath))) + return rv; + + *_retval = !FILE_STRCMP(inPath.get(), mPath.get()); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG(inFile); + NS_ENSURE_ARG_POINTER(_retval); + + nsCAutoString inPath; + nsresult rv; + + if (NS_FAILED(rv = inFile->GetNativePath(inPath))) + return rv; + + *_retval = PR_FALSE; + + ssize_t len = mPath.Length(); + if (FILE_STRNCMP(mPath.get(), inPath.get(), len) == 0) { + // Now make sure that the |inFile|'s path has a separator at len, + // which implies that it has more components after len. + if (inPath[len] == '/') + *_retval = PR_TRUE; + } + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetNativeTarget(nsACString &_retval) +{ + CHECK_mPath(); + _retval.Truncate(); + + struct stat symStat; + lstat(mPath.get(), &symStat); + if (!S_ISLNK(symStat.st_mode)) + return NS_ERROR_FILE_INVALID_PATH; + + PRInt64 targetSize64; + if (NS_FAILED(GetFileSizeOfLink(&targetSize64))) + return NS_ERROR_FAILURE; + + PRInt32 size; + LL_L2I(size, targetSize64); + char *target = (char *)nsMemory::Alloc(size + 1); + if (!target) + return NS_ERROR_OUT_OF_MEMORY; + + if (readlink(mPath.get(), target, (size_t)size) < 0) { + nsMemory::Free(target); + return NSRESULT_FOR_ERRNO(); + } + target[size] = '\0'; + + nsresult rv; + PRBool isSymlink; + nsCOMPtr<nsIFile> self(this); + nsCOMPtr<nsIFile> parent; + while (NS_SUCCEEDED(rv = self->GetParent(getter_AddRefs(parent)))) { + NS_ASSERTION(parent != nsnull, "no parent?!"); + + if (target[0] != '/') { + nsCOMPtr<nsILocalFile> localFile(do_QueryInterface(parent, &rv)); + if (NS_FAILED(rv)) + break; + if (NS_FAILED(rv = localFile->AppendRelativeNativePath(nsDependentCString(target)))) + break; + if (NS_FAILED(rv = localFile->GetNativePath(_retval))) + break; + if (NS_FAILED(rv = parent->IsSymlink(&isSymlink))) + break; + self = parent; + } else { + nsCOMPtr<nsILocalFile> localFile; + rv = NS_NewNativeLocalFile(nsDependentCString(target), PR_TRUE, + getter_AddRefs(localFile)); + if (NS_FAILED(rv)) + break; + if (NS_FAILED(rv = localFile->IsSymlink(&isSymlink))) + break; + _retval = target; // XXX can we avoid this buffer copy? + self = do_QueryInterface(localFile); + } + if (NS_FAILED(rv) || !isSymlink) + break; + + const nsPromiseFlatCString &flatRetval = PromiseFlatCString(_retval); + + // strip off any and all trailing '/' + PRInt32 len = strlen(target); + while (target[len-1] == '/' && len > 1) + target[--len] = '\0'; + if (lstat(flatRetval.get(), &symStat) < 0) { + rv = NSRESULT_FOR_ERRNO(); + break; + } + if (!S_ISLNK(symStat.st_mode)) { + rv = NS_ERROR_FILE_INVALID_PATH; + break; + } + size = symStat.st_size; + if (readlink(flatRetval.get(), target, size) < 0) { + rv = NSRESULT_FOR_ERRNO(); + break; + } + target[size] = '\0'; + + _retval.Truncate(); + } + + nsMemory::Free(target); + + if (NS_FAILED(rv)) + _retval.Truncate(); + return rv; +} + +/* attribute PRBool followLinks; */ +NS_IMETHODIMP +nsLocalFile::GetFollowLinks(PRBool *aFollowLinks) +{ + *aFollowLinks = PR_TRUE; + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetFollowLinks(PRBool aFollowLinks) +{ + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator **entries) +{ + nsDirEnumeratorUnix *dir = new nsDirEnumeratorUnix(); + if (!dir) + return NS_ERROR_OUT_OF_MEMORY; + + NS_ADDREF(dir); + nsresult rv = dir->Init(this, PR_FALSE); + if (NS_FAILED(rv)) { + *entries = nsnull; + NS_RELEASE(dir); + } else { + *entries = dir; // transfer reference + } + + return rv; +} + +NS_IMETHODIMP +nsLocalFile::Load(PRLibrary **_retval) +{ + CHECK_mPath(); + NS_ENSURE_ARG_POINTER(_retval); + + NS_TIMELINE_START_TIMER("PR_LoadLibrary"); + + *_retval = PR_LoadLibrary(mPath.get()); + + NS_TIMELINE_STOP_TIMER("PR_LoadLibrary"); + NS_TIMELINE_MARK_TIMER1("PR_LoadLibrary", mPath.get()); + + if (!*_retval) + return NS_ERROR_FAILURE; + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::GetPersistentDescriptor(nsACString &aPersistentDescriptor) +{ + return GetNativePath(aPersistentDescriptor); +} + +NS_IMETHODIMP +nsLocalFile::SetPersistentDescriptor(const nsACString &aPersistentDescriptor) +{ + return InitWithNativePath(aPersistentDescriptor); +} + +#ifdef XP_BEOS +NS_IMETHODIMP +nsLocalFile::Reveal() +{ + BPath bPath(mPath.get()); + bPath.GetParent(&bPath); + entry_ref ref; + get_ref_for_path(bPath.Path(),&ref); + BMessage message(B_REFS_RECEIVED); + message.AddRef("refs",&ref); + BMessenger messenger("application/x-vnd.Be-TRAK"); + messenger.SendMessage(&message); + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::Launch() +{ + entry_ref ref; + get_ref_for_path (mPath.get(), &ref); + be_roster->Launch (&ref); + + return NS_OK; +} +#else +NS_IMETHODIMP +nsLocalFile::Reveal() +{ + return NS_ERROR_FAILURE; +} + +NS_IMETHODIMP +nsLocalFile::Launch() +{ + return NS_ERROR_FAILURE; +} +#endif + +nsresult +NS_NewNativeLocalFile(const nsACString &path, PRBool followSymlinks, nsILocalFile **result) +{ + nsLocalFile *file = new nsLocalFile(); + if (!file) + return NS_ERROR_OUT_OF_MEMORY; + NS_ADDREF(file); + + if (!path.IsEmpty()) { + nsresult rv = file->InitWithNativePath(path); + if (NS_FAILED(rv)) { + NS_RELEASE(file); + return rv; + } + } + *result = file; + return NS_OK; +} + +//----------------------------------------------------------------------------- +// unicode support +//----------------------------------------------------------------------------- + +#define SET_UCS(func, ucsArg) \ + { \ + nsCAutoString buf; \ + nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \ + if (NS_FAILED(rv)) \ + return rv; \ + return (func)(buf); \ + } + +#define GET_UCS(func, ucsArg) \ + { \ + nsCAutoString buf; \ + nsresult rv = (func)(buf); \ + if (NS_FAILED(rv)) return rv; \ + return NS_CopyNativeToUnicode(buf, ucsArg); \ + } + +#define SET_UCS_2ARGS_2(func, opaqueArg, ucsArg) \ + { \ + nsCAutoString buf; \ + nsresult rv = NS_CopyUnicodeToNative(ucsArg, buf); \ + if (NS_FAILED(rv)) \ + return rv; \ + return (func)(opaqueArg, buf); \ + } + +// Unicode interface Wrapper +nsresult +nsLocalFile::InitWithPath(const nsAString &filePath) +{ + SET_UCS(InitWithNativePath, filePath); +} +nsresult +nsLocalFile::Append(const nsAString &node) +{ + SET_UCS(AppendNative, node); +} +nsresult +nsLocalFile::AppendRelativePath(const nsAString &node) +{ + SET_UCS(AppendRelativeNativePath, node); +} +nsresult +nsLocalFile::GetLeafName(nsAString &aLeafName) +{ + GET_UCS(GetNativeLeafName, aLeafName); +} +nsresult +nsLocalFile::SetLeafName(const nsAString &aLeafName) +{ + SET_UCS(SetNativeLeafName, aLeafName); +} +nsresult +nsLocalFile::GetPath(nsAString &_retval) +{ + return NS_CopyNativeToUnicode(mPath, _retval); +} +nsresult +nsLocalFile::CopyTo(nsIFile *newParentDir, const nsAString &newName) +{ + SET_UCS_2ARGS_2(CopyToNative , newParentDir, newName); +} +nsresult +nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const nsAString &newName) +{ + SET_UCS_2ARGS_2(CopyToFollowingLinksNative , newParentDir, newName); +} +nsresult +nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString &newName) +{ + SET_UCS_2ARGS_2(MoveToNative, newParentDir, newName); +} +nsresult +nsLocalFile::GetTarget(nsAString &_retval) +{ + GET_UCS(GetNativeTarget, _retval); +} +nsresult +NS_NewLocalFile(const nsAString &path, PRBool followLinks, nsILocalFile* *result) +{ + nsCAutoString buf; + nsresult rv = NS_CopyUnicodeToNative(path, buf); + if (NS_FAILED(rv)) + return rv; + return NS_NewNativeLocalFile(buf, followLinks, result); +} + +//----------------------------------------------------------------------------- +// global init/shutdown +//----------------------------------------------------------------------------- + +void +nsLocalFile::GlobalInit() +{ +} + +void +nsLocalFile::GlobalShutdown() +{ +} |