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gecko-dev/xpcom/io/nsLocalFileOS2.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Henry Sobotka <sobotka@axess.com>
* IBM Corp.
*/
#include "nsCOMPtr.h"
#include "nsMemory.h"
#include "nsLocalFileOS2.h"
#include <uconv.h>
#include "nsISimpleEnumerator.h"
#include "nsIComponentManager.h"
#include "prtypes.h"
#include "prio.h"
#include <ctype.h> // needed for toupper
#include <string.h>
#include "nsXPIDLString.h"
#include "nsReadableUtils.h"
#include "prproces.h"
#include "prthread.h"
static unsigned char* PR_CALLBACK
_mbschr( const unsigned char* stringToSearch, int charToSearchFor);
extern unsigned char*
_mbsrchr( const unsigned char* stringToSearch, int charToSearchFor);
static nsresult PR_CALLBACK
CreateDirectoryA( PSZ resolvedPath, PEAOP2 ppEABuf);
static int isleadbyte(int c);
#ifdef XP_OS2_VACPP
#include <direct.h>
#include "dirent.h"
#else
#include <unistd.h>
#endif
#include <io.h>
#ifdef XP_OS2
static nsresult ConvertOS2Error(int err)
#else
static nsresult ConvertWinError(DWORD winErr)
#endif
{
nsresult rv;
switch (err)
{
case ERROR_FILE_NOT_FOUND:
case ERROR_PATH_NOT_FOUND:
case ERROR_INVALID_DRIVE:
rv = NS_ERROR_FILE_NOT_FOUND;
break;
case ERROR_ACCESS_DENIED:
case ERROR_NOT_SAME_DEVICE:
rv = NS_ERROR_FILE_ACCESS_DENIED;
break;
case ERROR_NOT_ENOUGH_MEMORY:
case ERROR_INVALID_BLOCK:
case ERROR_INVALID_HANDLE:
case ERROR_ARENA_TRASHED:
rv = NS_ERROR_OUT_OF_MEMORY;
break;
case ERROR_CURRENT_DIRECTORY:
rv = NS_ERROR_FILE_DIR_NOT_EMPTY;
break;
case ERROR_WRITE_PROTECT:
rv = NS_ERROR_FILE_READ_ONLY;
break;
case ERROR_HANDLE_DISK_FULL:
rv = NS_ERROR_FILE_TOO_BIG;
break;
case ERROR_FILE_EXISTS:
case ERROR_ALREADY_EXISTS:
case ERROR_CANNOT_MAKE:
rv = NS_ERROR_FILE_ALREADY_EXISTS;
break;
case 0:
rv = NS_OK;
default:
rv = NS_ERROR_FAILURE;
}
return rv;
}
static void
myLL_II2L(PRInt32 hi, PRInt32 lo, PRInt64 *result)
{
PRInt64 a64, b64; // probably could have been done with
// only one PRInt64, but these are macros,
// and I am a wimp.
// put hi in the low bits of a64.
LL_I2L(a64, hi);
// now shift it to the upperbit and place it the result in result
LL_SHL(b64, a64, 32);
// now put the low bits on by adding them to the result.
LL_ADD(*result, b64, lo);
}
static void
myLL_L2II(PRInt64 result, PRInt32 *hi, PRInt32 *lo )
{
PRInt64 a64, b64; // probably could have been done with
// only one PRInt64, but these are macros,
// and I am a wimp.
// shift the hi word to the low word, then push it into a long.
LL_SHR(a64, result, 32);
LL_L2I(*hi, a64);
// shift the low word to the hi word first, then shift it back.
LL_SHL(b64, result, 32);
LL_SHR(a64, b64, 32);
LL_L2I(*lo, a64);
}
class nsDirEnumerator : public nsISimpleEnumerator
{
public:
NS_DECL_ISUPPORTS
nsDirEnumerator() : mDir(nsnull)
{
NS_INIT_ISUPPORTS();
}
nsresult Init(nsILocalFile* parent)
{
nsCAutoString filepath;
parent->GetNativeTarget(filepath);
if (filepath.IsEmpty())
{
parent->GetNativePath(filepath);
}
if (filepath.IsEmpty())
{
return NS_ERROR_UNEXPECTED;
}
mDir = PR_OpenDir(filepath.get());
if (mDir == nsnull) // not a directory?
return NS_ERROR_FAILURE;
mParent = parent;
return NS_OK;
}
NS_IMETHOD HasMoreElements(PRBool *result)
{
nsresult rv;
if (mNext == nsnull && mDir)
{
PRDirEntry* entry = PR_ReadDir(mDir, PR_SKIP_BOTH);
if (entry == nsnull)
{
// end of dir entries
PRStatus status = PR_CloseDir(mDir);
if (status != PR_SUCCESS)
return NS_ERROR_FAILURE;
mDir = nsnull;
*result = PR_FALSE;
return NS_OK;
}
nsCOMPtr<nsIFile> file;
rv = mParent->Clone(getter_AddRefs(file));
if (NS_FAILED(rv))
return rv;
rv = file->AppendNative(nsDependentCString(entry->name));
if (NS_FAILED(rv))
return rv;
// make sure the thing exists. If it does, try the next one.
PRBool exists;
rv = file->Exists(&exists);
if (NS_FAILED(rv) || !exists)
{
return HasMoreElements(result);
}
mNext = do_QueryInterface(file);
}
*result = mNext != nsnull;
return NS_OK;
}
NS_IMETHOD GetNext(nsISupports **result)
{
nsresult rv;
PRBool hasMore;
rv = HasMoreElements(&hasMore);
if (NS_FAILED(rv)) return rv;
*result = mNext; // might return nsnull
NS_IF_ADDREF(*result);
mNext = nsnull;
return NS_OK;
}
virtual ~nsDirEnumerator()
{
if (mDir)
{
PRStatus status = PR_CloseDir(mDir);
NS_ASSERTION(status == PR_SUCCESS, "close failed");
}
}
protected:
PRDir* mDir;
nsCOMPtr<nsILocalFile> mParent;
nsCOMPtr<nsILocalFile> mNext;
};
NS_IMPL_ISUPPORTS1(nsDirEnumerator, nsISimpleEnumerator)
nsLocalFile::nsLocalFile()
{
NS_INIT_ISUPPORTS();
#ifndef XP_OS2
mPersistFile = nsnull;
mShellLink = nsnull;
#endif
mLastResolution = PR_FALSE;
mFollowSymlinks = PR_FALSE;
MakeDirty();
}
nsLocalFile::~nsLocalFile()
{
#ifndef XP_OS2
PRBool uninitCOM = PR_FALSE;
if (mPersistFile || mShellLink)
{
uninitCOM = PR_TRUE;
}
// Release the pointer to the IPersistFile interface.
if (mPersistFile)
mPersistFile->Release();
// Release the pointer to the IShellLink interface.
if(mShellLink)
mShellLink->Release();
if (uninitCOM)
CoUninitialize();
#endif
}
/* nsISupports interface implementation. */
NS_IMPL_THREADSAFE_ISUPPORTS2(nsLocalFile, nsILocalFile, nsIFile)
NS_METHOD
nsLocalFile::nsLocalFileConstructor(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
{
NS_ENSURE_ARG_POINTER(aInstancePtr);
NS_ENSURE_NO_AGGREGATION(outer);
nsLocalFile* inst = new nsLocalFile();
if (inst == NULL)
return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = inst->QueryInterface(aIID, aInstancePtr);
if (NS_FAILED(rv))
{
delete inst;
return rv;
}
return NS_OK;
}
// This function resets any cached information about the file.
void
nsLocalFile::MakeDirty()
{
mDirty = PR_TRUE;
}
//----------------------------------------------------------------------------------------
//
// ResolvePath
// this function will walk the native path of |this| resolving any symbolic
// links found. The new resulting path will be placed into mResolvedPath.
//----------------------------------------------------------------------------------------
nsresult
nsLocalFile::ResolvePath(const char* workingPath, PRBool resolveTerminal, char** resolvedPath)
{
nsresult rv = NS_OK;
#ifndef XP_OS2
if (strstr(workingPath, ".lnk") == nsnull)
return NS_ERROR_FILE_INVALID_PATH;
if (mPersistFile == nsnull || mShellLink == nsnull)
{
CoInitialize(NULL); // FIX: we should probably move somewhere higher up during startup
HRESULT hres;
// FIX. This should be in a service.
// Get a pointer to the IShellLink interface.
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&mShellLink);
if (SUCCEEDED(hres))
{
// Get a pointer to the IPersistFile interface.
hres = mShellLink->QueryInterface(IID_IPersistFile, (void**)&mPersistFile);
}
if (mPersistFile == nsnull || mShellLink == nsnull)
{
return NS_ERROR_FILE_INVALID_PATH;
}
}
#endif
// Get the native path for |this|
char* filePath = (char*) nsMemory::Clone( workingPath, strlen(workingPath)+1 );
if (filePath == nsnull)
return NS_ERROR_NULL_POINTER;
// We are going to walk the native file path
// and stop at each slash. For each partial
// path (the string to the left of the slash)
// we will check to see if it is a shortcut.
// if it is, we will resolve it and continue
// with that resolved path.
// Get the first slash.
char* slash = strchr(filePath, '\\');
if (slash == nsnull)
{
if (filePath[0] != nsnull && filePath[1] == ':' && filePath[2] == '\0')
{
// we have a drive letter and a colon (eg 'c:'
// this is resolve already
int filePathLen = strlen(filePath);
char* rp = (char*) nsMemory::Alloc( filePathLen + 2 );
if (!rp)
return NS_ERROR_OUT_OF_MEMORY;
memcpy( rp, filePath, filePathLen );
rp[filePathLen] = '\\';
rp[filePathLen+1] = 0;
*resolvedPath = rp;
nsMemory::Free(filePath);
return NS_OK;
}
else
{
nsMemory::Free(filePath);
return NS_ERROR_FILE_INVALID_PATH;
}
}
// We really cant have just a drive letter as
// a shortcut, so we will skip the first '\\'
slash = strchr(++slash, '\\');
while (slash || resolveTerminal)
{
// Change the slash into a null so that
// we can use the partial path. It is is
// null, we know it is the terminal node.
if (slash)
{
*slash = '\0';
}
else
{
if (resolveTerminal)
{
// this is our last time in this loop.
// set loop condition to false
resolveTerminal = PR_FALSE;
}
else
{
// something is wrong. we should not have
// both slash being null and resolveTerminal
// not set!
nsMemory::Free(filePath);
return NS_ERROR_NULL_POINTER;
}
}
#ifndef XP_OS2
WORD wsz[MAX_PATH]; // TODO, Make this dynamically allocated.
// check to see the file is a shortcut by the magic .lnk extension.
size_t offset = strlen(filePath) - 4;
if ((offset > 0) && (strncmp( (filePath + offset), ".lnk", 4) == 0))
{
MultiByteToWideChar(CP_ACP, 0, filePath, -1, wsz, MAX_PATH);
}
else
{
char linkStr[MAX_PATH];
strcpy(linkStr, filePath);
strcat(linkStr, ".lnk");
// Ensure that the string is Unicode.
MultiByteToWideChar(CP_ACP, 0, linkStr, -1, wsz, MAX_PATH);
}
HRESULT hres;
// see if we can Load the path.
hres = mPersistFile->Load(wsz, STGM_READ);
if (SUCCEEDED(hres))
{
// Resolve the link.
hres = mShellLink->Resolve(nsnull, SLR_NO_UI );
if (SUCCEEDED(hres))
{
WIN32_FIND_DATA wfd;
char *temp = (char*) nsMemory::Alloc( MAX_PATH );
if (temp == nsnull)
return NS_ERROR_NULL_POINTER;
// Get the path to the link target.
hres = mShellLink->GetPath( temp, MAX_PATH, &wfd, SLGP_UNCPRIORITY );
if (SUCCEEDED(hres))
{
// found a new path.
// addend a slash on it since it does not come out of GetPath()
// with one only if it is a directory. If it is not a directory
// and there is more to append, than we have a problem.
struct stat st;
int statrv = stat(temp, &st);
if (0 == statrv && (_S_IFDIR & st.st_mode))
{
strcat(temp, "\\");
}
if (slash)
{
// save where we left off.
char *carot= (temp + strlen(temp) -1 );
// append all the stuff that we have not done.
strcat(temp, ++slash);
slash = carot;
}
nsMemory::Free(filePath);
filePath = temp;
}
else
{
nsMemory::Free(temp);
}
}
else
{
// could not resolve shortcut. Return error;
nsMemory::Free(filePath);
return NS_ERROR_FILE_INVALID_PATH;
}
}
#endif
if (slash)
{
*slash = '\\';
++slash;
slash = strchr(slash, '\\');
}
}
// kill any trailing separator
char* temp = filePath;
int len = strlen(temp) - 1;
if(temp[len] == '\\')
temp[len] = '\0';
*resolvedPath = filePath;
return rv;
}
nsresult
nsLocalFile::ResolveAndStat(PRBool resolveTerminal)
{
if (!mDirty && mLastResolution == resolveTerminal)
{
return NS_OK;
}
mLastResolution = resolveTerminal;
mResolvedPath.Assign(mWorkingPath); //until we know better.
// First we will see if the workingPath exists. If it does, then we
// can simply use that as the resolved path. This simplification can
// be done on windows cause its symlinks (shortcuts) use the .lnk
// file extension.
char temp[4];
const char* workingFilePath = mWorkingPath.get();
const char* nsprPath = workingFilePath;
if (mWorkingPath.Length() == 2 && mWorkingPath.CharAt(1) == ':') {
temp[0] = workingFilePath[0];
temp[1] = workingFilePath[1];
temp[2] = '\\';
temp[3] = '\0';
nsprPath = temp;
}
DosError(FERR_DISABLEHARDERR);
PRStatus status = PR_GetFileInfo64(nsprPath, &mFileInfo64);
DosError(FERR_ENABLEHARDERR);
if ( status == PR_SUCCESS )
{
if (!resolveTerminal)
{
mDirty = PR_FALSE;
return NS_OK;
}
// check to see that this is shortcut, i.e., the leaf is ".lnk"
// if the length < 4, then it's not a link.
int pathLen = strlen(workingFilePath);
const char* leaf = workingFilePath + pathLen - 4;
#ifdef XP_OS2
if (pathLen < 4)
#else
if (pathLen < 4 || (strcmp(leaf, ".lnk") != 0))
#endif
{
mDirty = PR_FALSE;
return NS_OK;
}
}
#ifndef XP_OS2
if (!mFollowSymlinks)
return NS_ERROR_FILE_NOT_FOUND; // if we are not resolving, we just give up here.
#endif
nsresult result;
// okay, something is wrong with the working path. We will try to resolve it.
char *resolvePath;
result = ResolvePath(workingFilePath, resolveTerminal, &resolvePath);
if (NS_FAILED(result))
return NS_ERROR_FILE_NOT_FOUND;
mResolvedPath.Assign(resolvePath);
nsMemory::Free(resolvePath);
DosError(FERR_DISABLEHARDERR);
status = PR_GetFileInfo64(mResolvedPath.get(), &mFileInfo64);
DosError(FERR_ENABLEHARDERR);
if ( status == PR_SUCCESS )
mDirty = PR_FALSE;
else
result = NS_ERROR_FILE_NOT_FOUND;
return result;
}
NS_IMETHODIMP
nsLocalFile::Clone(nsIFile **file)
{
nsresult rv;
nsCOMPtr<nsILocalFile> localFile;
rv = NS_NewNativeLocalFile(mWorkingPath, mFollowSymlinks, getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv) && localFile)
{
return localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)file);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::InitWithNativePath(const nsACString &filePath)
{
MakeDirty();
nsACString::const_iterator begin, end;
filePath.BeginReading(begin);
filePath.EndReading(end);
// input string must not be empty
if (begin == end)
return NS_ERROR_FAILURE;
char firstChar = *begin;
char secondChar = *(++begin);
// just do a sanity check. if it has any forward slashes, it is not a Native path
// on windows. Also, it must have a colon at after the first char.
char *path = nsnull;
PRInt32 pathLen = 0;
if ( ( (secondChar == ':') && !FindCharInReadable('/', begin, end) ) || // normal path
( (firstChar == '\\') && (secondChar == '\\') ) ) // network path
{
// This is a native path
path = ToNewCString(filePath);
pathLen = filePath.Length();
}
if (path == nsnull)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
// kill any trailing '\' provided it isn't the second char of DBCS
PRInt32 len = pathLen - 1;
if (path[len] == '\\' && !::isleadbyte(path[len-1]))
{
path[len] = '\0';
pathLen = len;
}
mWorkingPath.Adopt(path, pathLen);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::OpenNSPRFileDesc(PRInt32 flags, PRInt32 mode, PRFileDesc **_retval)
{
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND)
return rv;
*_retval = PR_Open(mResolvedPath.get(), flags, mode);
if (*_retval)
return NS_OK;
return NS_ErrorAccordingToNSPR();
}
NS_IMETHODIMP
nsLocalFile::OpenANSIFileDesc(const char *mode, FILE * *_retval)
{
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND)
return rv;
*_retval = fopen(mResolvedPath.get(), mode);
if (*_retval)
return NS_OK;
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::Create(PRUint32 type, PRUint32 attributes)
{
if (type != NORMAL_FILE_TYPE && type != DIRECTORY_TYPE)
return NS_ERROR_FILE_UNKNOWN_TYPE;
nsresult rv = ResolveAndStat(PR_FALSE);
if (NS_FAILED(rv) && rv != NS_ERROR_FILE_NOT_FOUND)
return rv;
// create nested directories to target
unsigned char* slash = _mbschr((const unsigned char*) mResolvedPath.get(), '\\');
if (slash)
{
// skip the first '\\'
++slash;
slash = _mbschr(slash, '\\');
while (slash)
{
*slash = '\0';
#ifdef XP_OS2
rv = CreateDirectoryA(NS_CONST_CAST(char*, mResolvedPath.get()), NULL);
if (rv) {
rv = ConvertOS2Error(rv);
#else
if (!CreateDirectoryA(NS_CONST_CAST(char*, mResolvedPath.get()), NULL)) {
rv = ConvertWinError(GetLastError());
#endif
if (rv != NS_ERROR_FILE_ALREADY_EXISTS) return rv;
}
*slash = '\\';
++slash;
slash = _mbschr(slash, '\\');
}
}
if (type == NORMAL_FILE_TYPE)
{
PRFileDesc* file = PR_Open(mResolvedPath.get(), PR_RDONLY | PR_CREATE_FILE | PR_APPEND | PR_EXCL, attributes);
if (!file) return NS_ERROR_FILE_ALREADY_EXISTS;
PR_Close(file);
return NS_OK;
}
if (type == DIRECTORY_TYPE)
{
#ifdef XP_OS2
rv = CreateDirectoryA(NS_CONST_CAST(char*, mResolvedPath.get()), NULL);
if (rv)
return ConvertOS2Error(rv);
#else
if (!CreateDirectoryA(NS_CONST_CAST(char*, mResolvedPath.get()), NULL))
return ConvertWinError(GetLastError());
#endif
else
return NS_OK;
}
return NS_ERROR_FILE_UNKNOWN_TYPE;
}
NS_IMETHODIMP
nsLocalFile::AppendNative(const nsACString &node)
{
if (node.IsEmpty())
return NS_OK;
// Append only one component. Check for subdirs.
// XXX can we avoid the PromiseFlatCString call?
if (_mbschr((const unsigned char*) PromiseFlatCString(node).get(), '\\') != nsnull)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
return AppendRelativeNativePath(node);
}
NS_IMETHODIMP
nsLocalFile::AppendRelativeNativePath(const nsACString &node)
{
// Cannot start with a / or have .. or have / anywhere
nsACString::const_iterator begin, end;
node.BeginReading(begin);
node.EndReading(end);
if (node.IsEmpty() || FindCharInReadable('/', begin, end))
{
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
}
MakeDirty();
mWorkingPath.Append(NS_LITERAL_CSTRING("\\") + node);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Normalize()
{
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetNativeLeafName(nsACString &aLeafName)
{
aLeafName.Truncate();
const char* temp = mWorkingPath.get();
if(temp == nsnull)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
const char* leaf = (const char*) _mbsrchr((const unsigned char*) temp, '\\');
// if the working path is just a node without any lashes.
if (leaf == nsnull)
leaf = temp;
else
leaf++;
aLeafName.Assign(leaf);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetNativeLeafName(const nsACString &aLeafName)
{
MakeDirty();
const unsigned char* temp = (const unsigned char*) mWorkingPath.get();
if(temp == nsnull)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
// cannot use nsCString::RFindChar() due to 0x5c problem
PRInt32 offset = (PRInt32) (_mbsrchr(temp, '\\') - temp);
if (offset)
{
mWorkingPath.Truncate(offset+1);
}
mWorkingPath.Append(aLeafName);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetNativePath(nsACString &_retval)
{
_retval = mWorkingPath;
return NS_OK;
}
nsresult
nsLocalFile::CopySingleFile(nsIFile *sourceFile, nsIFile *destParent, const nsACString &newName, PRBool followSymlinks, PRBool move)
{
nsresult rv;
nsCAutoString filePath;
// get the path that we are going to copy to.
// Since windows does not know how to auto
// resolve shortcust, we must work with the
// target.
nsCAutoString destPath;
destParent->GetNativeTarget(destPath);
destPath.Append("\\");
if (newName.IsEmpty())
{
nsCAutoString aFileName;
sourceFile->GetNativeLeafName(aFileName);
destPath.Append(aFileName);
}
else
{
destPath.Append(newName);
}
if (followSymlinks)
{
rv = sourceFile->GetNativeTarget(filePath);
if (filePath.IsEmpty())
rv = sourceFile->GetNativePath(filePath);
}
else
{
rv = sourceFile->GetNativePath(filePath);
}
if (NS_FAILED(rv))
return rv;
APIRET rc = NO_ERROR;
if( move )
{
rc = DosMove(filePath.get(), (PSZ)NS_CONST_CAST(char*, destPath.get()));
}
if (!move || rc == ERROR_NOT_SAME_DEVICE) {
/* will get an error if the destination and source files aren't on the
* same drive. "MoveFile()" on Windows will go ahead and move the
* file without error, so we need to do the same IBM-AKR
*/
do {
rc = DosCopy(filePath.get(), (PSZ)NS_CONST_CAST(char*, destPath.get()), DCPY_EXISTING);
if (rc == ERROR_TOO_MANY_OPEN_FILES) {
ULONG CurMaxFH = 0;
LONG ReqCount = 20;
APIRET rc2;
rc2 = DosSetRelMaxFH(&ReqCount, &CurMaxFH);
if (rc2 != NO_ERROR) {
break;
}
}
} while (rc == ERROR_TOO_MANY_OPEN_FILES);
/* WSOD2 HACK */
if (rc == 65) { // NETWORK_ACCESS_DENIED
CHAR achProgram[CCHMAXPATH]; // buffer for program name, parameters
RESULTCODES rescResults; // buffer for results of dosexecpgm
strcpy(achProgram, "CMD.EXE /C ");
strcat(achProgram, """COPY ");
strcat(achProgram, filePath.get());
strcat(achProgram, " ");
strcat(achProgram, (PSZ)NS_CONST_CAST(char*, destPath.get()));
strcat(achProgram, """");
achProgram[strlen(achProgram) + 1] = '\0';
achProgram[7] = '\0';
DosExecPgm(NULL, 0,
EXEC_SYNC, achProgram, (PSZ)NULL,
&rescResults, achProgram);
rc = 0; // Assume it worked
} /* rc == 65 */
/* moving the file is supposed to act like a rename, so delete the
* original file if we got this far without error
*/
if( move && (rc == NO_ERROR) )
{
DosDelete( filePath.get() );
}
} /* !move or ERROR */
if (rc)
rv = ConvertOS2Error(rc);
return rv;
}
nsresult
nsLocalFile::CopyMove(nsIFile *aParentDir, const nsACString &newName, PRBool followSymlinks, PRBool move)
{
nsCOMPtr<nsIFile> newParentDir = aParentDir;
// check to see if this exists, otherwise return an error.
// we will check this by resolving. If the user wants us
// to follow links, then we are talking about the target,
// hence we can use the |followSymlinks| parameter.
nsresult rv = ResolveAndStat(followSymlinks);
if (NS_FAILED(rv))
return rv;
if (!newParentDir)
{
// no parent was specified. We must rename.
if (newName.IsEmpty())
return NS_ERROR_INVALID_ARG;
move = PR_TRUE;
rv = GetParent(getter_AddRefs(newParentDir));
if (NS_FAILED(rv))
return rv;
}
if (!newParentDir)
return NS_ERROR_FILE_DESTINATION_NOT_DIR;
// make sure it exists and is a directory. Create it if not there.
PRBool exists;
newParentDir->Exists(&exists);
if (exists == PR_FALSE)
{
rv = newParentDir->Create(DIRECTORY_TYPE, 0644); // TODO, what permissions should we use
if (NS_FAILED(rv))
return rv;
}
else
{
PRBool isDir;
newParentDir->IsDirectory(&isDir);
if (isDir == PR_FALSE)
{
if (followSymlinks)
{
PRBool isLink;
newParentDir->IsSymlink(&isLink);
if (isLink)
{
nsCAutoString target;
newParentDir->GetNativeTarget(target);
nsCOMPtr<nsILocalFile> realDest = new nsLocalFile();
if (realDest == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
rv = realDest->InitWithNativePath(target);
if (NS_FAILED(rv))
return rv;
return CopyMove(realDest, newName, followSymlinks, move);
}
}
else
{
return NS_ERROR_FILE_DESTINATION_NOT_DIR;
}
}
}
// check to see if we are a directory, if so enumerate it.
PRBool isDir;
IsDirectory(&isDir);
PRBool isSymlink;
IsSymlink(&isSymlink);
if (!isDir || (isSymlink && !followSymlinks))
{
rv = CopySingleFile(this, newParentDir, newName, followSymlinks, move);
if (NS_FAILED(rv))
return rv;
}
else
{
// create a new target destination in the new parentDir;
nsCOMPtr<nsIFile> target;
rv = newParentDir->Clone(getter_AddRefs(target));
if (NS_FAILED(rv))
return rv;
nsCAutoString allocatedNewName;
if (newName.IsEmpty())
{
PRBool isLink;
IsSymlink(&isLink);
if (isLink)
{
nsCAutoString temp;
GetNativeTarget(temp);
const char* leaf = (const char*) _mbsrchr((const unsigned char*) temp.get(), '\\');
if (leaf[0] == '\\')
leaf++;
allocatedNewName = leaf;
}
else
{
GetNativeLeafName(allocatedNewName);// this should be the leaf name of the
}
}
else
{
allocatedNewName = newName;
}
rv = target->AppendNative(allocatedNewName);
if (NS_FAILED(rv))
return rv;
allocatedNewName.Truncate();
target->Create(DIRECTORY_TYPE, 0644); // TODO, what permissions should we use
if (NS_FAILED(rv))
return rv;
nsDirEnumerator* dirEnum = new nsDirEnumerator();
if (!dirEnum)
return NS_ERROR_OUT_OF_MEMORY;
rv = dirEnum->Init(this);
nsCOMPtr<nsISimpleEnumerator> iterator = do_QueryInterface(dirEnum);
PRBool more;
iterator->HasMoreElements(&more);
while (more)
{
nsCOMPtr<nsISupports> item;
nsCOMPtr<nsIFile> file;
iterator->GetNext(getter_AddRefs(item));
file = do_QueryInterface(item);
PRBool isDir, isLink;
file->IsDirectory(&isDir);
file->IsSymlink(&isLink);
if (move)
{
if (followSymlinks)
rv = NS_ERROR_FAILURE;
else
rv = file->MoveToNative(target, nsCString());
}
else
{
if (followSymlinks)
rv = file->CopyToFollowingLinksNative(target, nsCString());
else
rv = file->CopyToNative(target, nsCString());
}
iterator->HasMoreElements(&more);
}
}
// If we moved, we want to adjust this.
if (move)
{
MakeDirty();
nsCAutoString newParentPath;
newParentDir->GetNativePath(newParentPath);
if (newParentPath.IsEmpty())
return NS_ERROR_FAILURE;
if (newName.IsEmpty())
{
nsCAutoString aFileName;
GetNativeLeafName(aFileName);
InitWithNativePath(newParentPath);
AppendNative(aFileName);
}
else
{
InitWithNativePath(newParentPath);
AppendNative(newName);
}
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::CopyToNative(nsIFile *newParentDir, const nsACString &newName)
{
return CopyMove(newParentDir, newName, PR_FALSE, PR_FALSE);
}
NS_IMETHODIMP
nsLocalFile::CopyToFollowingLinksNative(nsIFile *newParentDir, const nsACString &newName)
{
return CopyMove(newParentDir, newName, PR_TRUE, PR_FALSE);
}
NS_IMETHODIMP
nsLocalFile::MoveToNative(nsIFile *newParentDir, const nsACString &newName)
{
return CopyMove(newParentDir, newName, PR_FALSE, PR_TRUE);
}
NS_IMETHODIMP
nsLocalFile::Load(PRLibrary * *_retval)
{
PRBool isFile;
nsresult rv = IsFile(&isFile);
if (NS_FAILED(rv))
return rv;
if (! isFile)
return NS_ERROR_FILE_IS_DIRECTORY;
*_retval = PR_LoadLibrary(mResolvedPath.get());
if (*_retval)
return NS_OK;
return NS_ERROR_NULL_POINTER;
}
NS_IMETHODIMP
nsLocalFile::Remove(PRBool recursive)
{
PRBool isDir;
nsresult rv = IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.get();
if (isDir)
{
if (recursive)
{
nsDirEnumerator* dirEnum = new nsDirEnumerator();
if (dirEnum == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
rv = dirEnum->Init(this);
nsCOMPtr<nsISimpleEnumerator> iterator = do_QueryInterface(dirEnum);
PRBool more;
iterator->HasMoreElements(&more);
while (more)
{
nsCOMPtr<nsISupports> item;
nsCOMPtr<nsIFile> file;
iterator->GetNext(getter_AddRefs(item));
file = do_QueryInterface(item);
file->Remove(recursive);
iterator->HasMoreElements(&more);
}
}
#ifdef XP_OS2_VACPP
rv = rmdir((char *) filePath); // todo: save return value?
#else
rv = rmdir(filePath); // todo: save return value?
#endif
}
else
{
rv = remove(filePath); // todo: save return value?
}
MakeDirty();
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetLastModifiedTime(PRInt64 *aLastModifiedTime)
{
NS_ENSURE_ARG(aLastModifiedTime);
*aLastModifiedTime = 0;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
// microseconds -> milliseconds
*aLastModifiedTime = mFileInfo64.modifyTime / PR_USEC_PER_MSEC;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetLastModifiedTimeOfLink(PRInt64 *aLastModifiedTime)
{
NS_ENSURE_ARG(aLastModifiedTime);
*aLastModifiedTime = 0;
nsresult rv = ResolveAndStat(PR_FALSE);
if (NS_FAILED(rv))
return rv;
// microseconds -> milliseconds
*aLastModifiedTime = mFileInfo64.modifyTime / PR_USEC_PER_MSEC;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetLastModifiedTime(PRInt64 aLastModifiedTime)
{
return nsLocalFile::SetModDate(aLastModifiedTime, PR_TRUE);
}
NS_IMETHODIMP
nsLocalFile::SetLastModifiedTimeOfLink(PRInt64 aLastModifiedTime)
{
return nsLocalFile::SetModDate(aLastModifiedTime, PR_FALSE);
}
nsresult
nsLocalFile::SetModDate(PRInt64 aLastModifiedTime, PRBool resolveTerminal)
{
nsresult rv = ResolveAndStat(resolveTerminal);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.get();
#ifndef XP_OS2
HANDLE file = CreateFile( filePath, // pointer to name of the file
GENERIC_WRITE, // access (write) mode
0, // share mode
NULL, // pointer to security attributes
OPEN_EXISTING, // how to create
0, // file attributes
NULL);
MakeDirty();
if (!file)
{
return ConvertWinError(GetLastError());
}
#endif
#ifdef XP_OS2
PRExplodedTime pret;
FILESTATUS3 pathInfo;
rv = DosQueryPathInfo(filePath,
FIL_STANDARD, // Level 1 info
&pathInfo,
sizeof(pathInfo));
if (NS_FAILED(rv))
{
rv = ConvertOS2Error(rv);
return rv;
}
// PR_ExplodeTime expects usecs...
PR_ExplodeTime(aLastModifiedTime * PR_USEC_PER_MSEC, PR_LocalTimeParameters, &pret);
pathInfo.fdateLastWrite.year = pret.tm_year;
pathInfo.fdateLastWrite.month = pret.tm_month + 1; // Convert start offset -- Win32: Jan=1; NSPR: Jan=0
// ???? OS2TODO st.wDayOfWeek = pret.tm_wday;
pathInfo.fdateLastWrite.day = pret.tm_mday;
pathInfo.ftimeLastWrite.hours = pret.tm_hour;
pathInfo.ftimeLastWrite.minutes = pret.tm_min;
pathInfo.ftimeLastWrite.twosecs = pret.tm_sec / 2; // adjust for twosecs?
// ??? OS2TODO st.wMilliseconds = pret.tm_usec/1000;
rv = DosSetPathInfo(filePath,
FIL_STANDARD, // Level 1 info
&pathInfo,
sizeof(pathInfo),
0UL);
if (NS_FAILED(rv))
return rv;
MakeDirty();
#else
FILETIME lft, ft;
SYSTEMTIME st;
PRExplodedTime pret;
// PR_ExplodeTime expects usecs...
PR_ExplodeTime(aLastModifiedTime * PR_USEC_PER_MSEC, PR_LocalTimeParameters, &pret);
st.wYear = pret.tm_year;
st.wMonth = pret.tm_month + 1; // Convert start offset -- Win32: Jan=1; NSPR: Jan=0
st.wDayOfWeek = pret.tm_wday;
st.wDay = pret.tm_mday;
st.wHour = pret.tm_hour;
st.wMinute = pret.tm_min;
st.wSecond = pret.tm_sec;
st.wMilliseconds = pret.tm_usec/1000;
if ( 0 == SystemTimeToFileTime(&st, &lft) )
{
rv = ConvertWinError(GetLastError());
}
else if ( 0 == LocalFileTimeToFileTime(&lft, &ft) )
{
rv = ConvertWinError(GetLastError());
}
else if ( 0 == SetFileTime(file, NULL, &ft, &ft) )
{
// could not set time
rv = ConvertWinError(GetLastError());
}
CloseHandle( file );
#endif
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetPermissions(PRUint32 *aPermissions)
{
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.get();
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetPermissionsOfLink(PRUint32 *aPermissionsOfLink)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsLocalFile::SetPermissions(PRUint32 aPermissions)
{
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.get();
if( chmod(filePath, aPermissions) == -1 )
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetPermissionsOfLink(PRUint32 aPermissions)
{
nsresult rv = ResolveAndStat(PR_FALSE);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.get();
if( chmod(filePath, aPermissions) == -1 )
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetFileSize(PRInt64 *aFileSize)
{
NS_ENSURE_ARG(aFileSize);
*aFileSize = 0;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
*aFileSize = mFileInfo64.size;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetFileSize(PRInt64 aFileSize)
{
#ifndef XP_OS2
DWORD status;
HANDLE hFile;
#endif
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
const char *filePath = mResolvedPath.get();
#ifdef XP_OS2
APIRET rc;
HFILE hFile;
ULONG actionTaken;
rc = DosOpen(filePath,
&hFile,
&actionTaken,
0,
FILE_NORMAL,
OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_SHARE_DENYREADWRITE | OPEN_ACCESS_READWRITE,
NULL);
if (rc != NO_ERROR)
{
MakeDirty();
return NS_ERROR_FAILURE;
}
#else
// Leave it to Microsoft to open an existing file with a function
// named "CreateFile".
hFile = CreateFile(filePath,
GENERIC_WRITE,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
MakeDirty();
return NS_ERROR_FAILURE;
}
#endif
// Seek to new, desired end of file
PRInt32 hi, lo;
myLL_L2II(aFileSize, &hi, &lo );
#ifdef XP_OS2
rc = DosSetFileSize(hFile, lo);
if (rc == NO_ERROR)
DosClose(hFile);
else
goto error;
#else
status = SetFilePointer(hFile, lo, NULL, FILE_BEGIN);
if (status == 0xffffffff)
goto error;
// Truncate file at current cursor position
if (!SetEndOfFile(hFile))
goto error;
if (!CloseHandle(hFile))
return NS_ERROR_FAILURE;
#endif
MakeDirty();
return NS_OK;
error:
MakeDirty();
#ifdef XP_OS2
DosClose(hFile);
#else
CloseHandle(hFile);
#endif
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsLocalFile::GetFileSizeOfLink(PRInt64 *aFileSize)
{
NS_ENSURE_ARG(aFileSize);
*aFileSize = 0;
nsresult rv = ResolveAndStat(PR_FALSE);
if (NS_FAILED(rv))
return rv;
*aFileSize = mFileInfo64.size;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetDiskSpaceAvailable(PRInt64 *aDiskSpaceAvailable)
{
NS_ENSURE_ARG(aDiskSpaceAvailable);
ResolveAndStat(PR_FALSE);
ULONG ulDriveNo = toupper(mResolvedPath.CharAt(0)) + 1 - 'A';
FSALLOCATE fsAllocate;
APIRET rc = DosQueryFSInfo(ulDriveNo,
FSIL_ALLOC,
&fsAllocate,
sizeof(fsAllocate));
if (rc != NO_ERROR)
return NS_ERROR_FAILURE;
*aDiskSpaceAvailable = fsAllocate.cUnitAvail;
*aDiskSpaceAvailable *= fsAllocate.cSectorUnit;
*aDiskSpaceAvailable *= fsAllocate.cbSector;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetParent(nsIFile * *aParent)
{
NS_ENSURE_ARG_POINTER(aParent);
nsCAutoString parentPath(mWorkingPath);
// cannot use nsCString::RFindChar() due to 0x5c problem
PRInt32 offset = (PRInt32) (_mbsrchr((const unsigned char *) parentPath.get(), '\\')
- (const unsigned char *) parentPath.get());
if (offset < 0)
return NS_ERROR_FILE_UNRECOGNIZED_PATH;
parentPath.Truncate(offset);
nsCOMPtr<nsILocalFile> localFile;
nsresult rv = NS_NewNativeLocalFile(parentPath, mFollowSymlinks, getter_AddRefs(localFile));
if(NS_SUCCEEDED(rv) && localFile)
{
return CallQueryInterface(localFile, aParent);
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::Exists(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
MakeDirty();
nsresult rv = ResolveAndStat( PR_TRUE );
if (NS_SUCCEEDED(rv))
*_retval = PR_TRUE;
else
*_retval = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsWritable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
const char *workingFilePath = mWorkingPath.get();
#ifdef XP_OS2
APIRET rc;
FILESTATUS3 pathInfo;
rc = DosQueryPathInfo(workingFilePath,
FIL_STANDARD, // Level 1 info
&pathInfo,
sizeof(pathInfo));
if (rc != NO_ERROR)
{
rc = ConvertOS2Error(rc);
return rc;
}
*_retval = !((pathInfo.attrFile & FILE_READONLY) != 0);
#else
DWORD word = GetFileAttributes(workingFilePath);
*_retval = !((word & FILE_ATTRIBUTE_READONLY) != 0);
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsReadable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat( PR_TRUE );
if (NS_FAILED(rv))
return rv;
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsExecutable(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat( PR_TRUE );
if (NS_FAILED(rv))
return rv;
nsCAutoString path;
PRBool symLink;
rv = IsSymlink(&symLink);
if (NS_FAILED(rv))
return rv;
if (symLink)
GetNativeTarget(path);
else
GetNativePath(path);
const char* leaf = (const char*) _mbsrchr((const unsigned char*) path.get(), '\\');
// XXX On Windows NT / 2000, it should use "PATHEXT" environment value
#ifdef XP_OS2
if ( (strstr(leaf, ".bat") != nsnull) ||
(strstr(leaf, ".exe") != nsnull) ||
(strstr(leaf, ".cmd") != nsnull) ||
(strstr(leaf, ".com") != nsnull) ) {
#else
if ( (strstr(leaf, ".bat") != nsnull) ||
(strstr(leaf, ".exe") != nsnull) ) {
#endif
*_retval = PR_TRUE;
} else {
*_retval = PR_FALSE;
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsDirectory(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
*_retval = (mFileInfo64.type == PR_FILE_DIRECTORY);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsFile(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
*_retval = (mFileInfo64.type == PR_FILE_FILE);
return rv;
}
NS_IMETHODIMP
nsLocalFile::IsHidden(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
const char *workingFilePath = mWorkingPath.get();
#ifdef XP_OS2
APIRET rc;
FILESTATUS3 pathInfo;
rc = DosQueryPathInfo(workingFilePath,
FIL_STANDARD, // Level 1 info
&pathInfo,
sizeof(pathInfo));
if (rc != NO_ERROR)
{
rc = ConvertOS2Error(rc);
return rc;
}
*_retval = ((pathInfo.attrFile & FILE_HIDDEN) != 0);
#else
DWORD word = GetFileAttributes(workingFilePath);
*_retval = ((word & FILE_ATTRIBUTE_HIDDEN) != 0);
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsSymlink(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
#ifndef XP_OS2 // No Symlinks on OS/2
nsCAutoString path;
int pathLen;
GetNativePath(path);
pathLen = path.Length();
const char* leaf = path.get() + pathLen - 4;
if ( (strcmp(leaf, ".lnk") == 0))
{
*_retval = PR_TRUE;
}
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::IsSpecial(PRBool *_retval)
{
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsresult rv = ResolveAndStat(PR_TRUE);
if (NS_FAILED(rv))
return rv;
const char *workingFilePath = mWorkingPath.get();
#ifdef XP_OS2
APIRET rc;
FILESTATUS3 pathInfo;
rc = DosQueryPathInfo(workingFilePath,
FIL_STANDARD, // Level 1 info
&pathInfo,
sizeof(pathInfo));
if (rc != NO_ERROR)
{
rc = ConvertOS2Error(rc);
return rc;
}
*_retval = ((pathInfo.attrFile & FILE_SYSTEM) != 0);
#else
DWORD word = GetFileAttributes(workingFilePath);
*_retval = ((word & FILE_ATTRIBUTE_SYSTEM) != 0);
#endif
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Equals(nsIFile *inFile, PRBool *_retval)
{
NS_ENSURE_ARG(inFile);
NS_ENSURE_ARG(_retval);
*_retval = PR_FALSE;
nsCAutoString inFilePath;
inFile->GetNativePath(inFilePath);
*_retval = inFilePath.Equals(mWorkingPath);
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Contains(nsIFile *inFile, PRBool recur, PRBool *_retval)
{
*_retval = PR_FALSE;
nsCAutoString myFilePath;
if ( NS_FAILED(GetNativeTarget(myFilePath)))
GetNativePath(myFilePath);
PRInt32 myFilePathLen = myFilePath.Length();
nsCAutoString inFilePath;
if ( NS_FAILED(inFile->GetNativeTarget(inFilePath)))
inFile->GetNativePath(inFilePath);
if ( strncmp( myFilePath.get(), inFilePath.get(), myFilePathLen) == 0)
{
// now make sure that the |inFile|'s path has a trailing
// separator.
if (inFilePath[myFilePathLen] == '\\')
{
*_retval = PR_TRUE;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetNativeTarget(nsACString &_retval)
{
_retval.Truncate();
#if STRICT_FAKE_SYMLINKS
PRBool symLink;
nsresult rv = IsSymlink(&symLink);
if (NS_FAILED(rv))
return rv;
if (!symLink)
{
return NS_ERROR_FILE_INVALID_PATH;
}
#endif
ResolveAndStat(PR_TRUE);
_retval = mResolvedPath;
return NS_OK;
}
/* attribute PRBool followLinks; */
NS_IMETHODIMP
nsLocalFile::GetFollowLinks(PRBool *aFollowLinks)
{
*aFollowLinks = mFollowSymlinks;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::SetFollowLinks(PRBool aFollowLinks)
{
MakeDirty();
mFollowSymlinks = aFollowLinks;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetDirectoryEntries(nsISimpleEnumerator * *entries)
{
nsresult rv;
*entries = nsnull;
PRBool isDir;
rv = IsDirectory(&isDir);
if (NS_FAILED(rv))
return rv;
if (!isDir)
return NS_ERROR_FILE_NOT_DIRECTORY;
nsDirEnumerator* dirEnum = new nsDirEnumerator();
if (dirEnum == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(dirEnum);
rv = dirEnum->Init(this);
if (NS_FAILED(rv))
{
NS_RELEASE(dirEnum);
return rv;
}
*entries = dirEnum;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::GetPersistentDescriptor(nsACString &aPersistentDescriptor)
{
return GetNativePath(aPersistentDescriptor);
}
NS_IMETHODIMP
nsLocalFile::SetPersistentDescriptor(const nsACString &aPersistentDescriptor)
{
return InitWithNativePath(aPersistentDescriptor);
}
#ifndef OPEN_DEFAULT
#define OPEN_DEFAULT 0
#endif
NS_IMETHODIMP
nsLocalFile::Reveal()
{
PRBool isDirectory = PR_FALSE;
nsCAutoString path;
IsDirectory(&isDirectory);
if (isDirectory)
{
GetNativePath(path);
}
else
{
nsCOMPtr<nsIFile> parent;
GetParent(getter_AddRefs(parent));
if (parent)
parent->GetNativePath(path);
}
HOBJECT hobject = WinQueryObject(path.get());
WinOpenObject( hobject, OPEN_DEFAULT, TRUE);
// we don't care if it succeeded or failed.
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::Launch()
{
HOBJECT hobject = WinQueryObject(mWorkingPath.get());
WinOpenObject( hobject, OPEN_DEFAULT, TRUE);
// we don't care if it succeeded or failed.
return NS_OK;
}
nsresult
NS_NewNativeLocalFile(const nsACString &path, PRBool followLinks, nsILocalFile* *result)
{
nsLocalFile* file = new nsLocalFile();
if (file == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(file);
file->SetFollowLinks(followLinks);
if (!path.IsEmpty()) {
nsresult rv = file->InitWithNativePath(path);
if (NS_FAILED(rv)) {
NS_RELEASE(file);
return rv;
}
}
*result = file;
return NS_OK;
}
// Locates the first occurrence of charToSearchFor in the stringToSearch
static unsigned char* PR_CALLBACK
_mbschr( const unsigned char* stringToSearch, int charToSearchFor)
{
const unsigned char* p = stringToSearch;
do {
if (*p == charToSearchFor)
break;
p = (const unsigned char*)WinNextChar(0,0,0,(char*)p);
} while (*p); /* enddo */
// Result is p or NULL
return *p ? (unsigned char*)p : NULL;
}
// Locates last occurence of charToSearchFor in the stringToSearch
extern unsigned char*
_mbsrchr( const unsigned char* stringToSearch, int charToSearchFor)
{
int length = strlen((const char*)stringToSearch);
const unsigned char* p = stringToSearch+length;
do {
if (*p == charToSearchFor)
break;
p = (const unsigned char*)WinPrevChar(0,0,0,(char*)stringToSearch,(char*)p);
} while (p > stringToSearch); /* enddo */
// Result is p or NULL
return (*p == charToSearchFor) ? (unsigned char*)p : NULL;
}
// Implement equivalent of Win32 CreateDirectoryA
static nsresult PR_CALLBACK
CreateDirectoryA( PSZ resolvedPath, PEAOP2 ppEABuf)
{
APIRET rc;
nsresult rv;
FILESTATUS3 pathInfo;
rc = DosCreateDir( resolvedPath, ppEABuf );
if (rc != NO_ERROR) {
rv = ConvertOS2Error(rc);
// Check if directory already exists and if so, reflect that in the return value
rc = DosQueryPathInfo(resolvedPath,
FIL_STANDARD, // Level 1 info
&pathInfo,
sizeof(pathInfo));
if (rc == NO_ERROR)
rv = ERROR_FILE_EXISTS;
}
else
rv = rc;
return rv;
}
static int isleadbyte(int c)
{
static BOOL bDBCSFilled=FALSE;
static BYTE DBCSInfo[12] = { 0 }; /* According to the Control Program Guide&Ref,
12 bytes is sufficient */
BYTE *curr;
BOOL retval = FALSE;
if( !bDBCSFilled ) {
COUNTRYCODE ctrycodeInfo = { 0 };
APIRET rc = NO_ERROR;
ctrycodeInfo.country = 0; /* Current Country */
ctrycodeInfo.codepage = 0; /* Current Codepage */
rc = DosQueryDBCSEnv( sizeof( DBCSInfo ),
&ctrycodeInfo,
DBCSInfo );
if( rc != NO_ERROR ) {
/* we had an error, do something? */
return FALSE;
}
bDBCSFilled=TRUE;
}
curr = DBCSInfo;
/* DBCSInfo returned by DosQueryDBCSEnv is terminated with two '0' bytes in a row */
while(( *curr != 0 ) && ( *(curr+1) != 0)) {
if(( c >= *curr ) && ( c <= *(curr+1) )) {
retval=TRUE;
break;
}
curr+=2;
}
return retval;
}
static UconvObject UnicodeConverter = NULL;
static nsresult NS_CreateUnicodeConverters()
{
ULONG ulLength;
ULONG ulCodePage;
DosQueryCp(sizeof(ULONG), &ulCodePage, &ulLength);
UniChar codepage[20];
int unirc = ::UniMapCpToUcsCp(ulCodePage, codepage, 20);
if (unirc == ULS_SUCCESS) {
unirc = ::UniCreateUconvObject(codepage, &UnicodeConverter);
if (unirc == ULS_SUCCESS) {
uconv_attribute_t attr;
::UniQueryUconvObject(UnicodeConverter, &attr, sizeof(uconv_attribute_t),
NULL, NULL, NULL);
attr.options = UCONV_OPTION_SUBSTITUTE_BOTH;
attr.subchar_len=1;
attr.subchar[0]='_';
::UniSetUconvObject(UnicodeConverter, &attr);
}
}
}
static void NS_DestroyUnicodeConverters()
{
::UniFreeUconvObject(UnicodeConverter);
}
static nsresult
UCS2toFS(const PRUnichar *aBuffer, char **aResult)
{
size_t inLength = UniStrlen(aBuffer)+1;
size_t outLength = CCHMAXPATH;
UniChar *inString = (UniChar*)aBuffer;
char *outString = (char*)nsMemory::Alloc(outLength);
size_t cSubs = 0;
char *tempString = outString;
int unirc = ::UniUconvFromUcs(UnicodeConverter, &inString, &inLength,
(void**)&tempString, &outLength, &cSubs);
NS_ASSERTION(unirc != UCONV_E2BIG, "Path too big");
if( unirc != ULS_SUCCESS )
return NS_ERROR_FAILURE;
*aResult = outString;
return NS_OK;
}
static nsresult
FStoUCS2(const char* aBuffer, PRUnichar **aResult)
{
size_t inLength = strlen(aBuffer)+1;
size_t outLength = CCHMAXPATH;
char *inString = (char*)aBuffer;
UniChar *outString = (UniChar*)nsMemory::Alloc(outLength);
size_t cSubs = 0;
UniChar *tempString = outString;
int unirc = ::UniUconvToUcs(UnicodeConverter, (void**)&inString, &inLength,
&tempString, &outLength, &cSubs);
NS_ASSERTION(unirc != UCONV_E2BIG, "Path too big");
if( unirc != ULS_SUCCESS )
return NS_ERROR_FAILURE;
*aResult = (PRUnichar*)outString;
return NS_OK;
}
NS_IMETHODIMP
nsLocalFile::InitWithPath(const nsAString &filePath)
{
if (filePath.IsEmpty())
return InitWithNativePath(nsCString());
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(filePath).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return InitWithNativePath(tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::Append(const nsAString &node)
{
if (node.IsEmpty())
return NS_OK;
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(node).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return AppendNative(tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::AppendRelativePath(const nsAString &node)
{
if (node.IsEmpty())
return NS_OK;
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(node).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return AppendRelativeNativePath(tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetLeafName(nsAString &aLeafName)
{
nsCAutoString tmp;
nsresult rv = GetNativeLeafName(tmp);
if (NS_SUCCEEDED(rv)) {
nsXPIDLString ucsBuf;
rv = FStoUCS2(tmp.get(), getter_Copies(ucsBuf));
if (NS_SUCCEEDED(rv))
aLeafName = ucsBuf;
}
return rv;
}
NS_IMETHODIMP
nsLocalFile::SetLeafName(const nsAString &aLeafName)
{
if (aLeafName.IsEmpty())
return SetNativeLeafName(nsCString());
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(aLeafName).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return SetNativeLeafName(tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetPath(nsAString &_retval)
{
nsXPIDLString ucsBuf;
nsresult rv = FStoUCS2(mWorkingPath.get(), getter_Copies(ucsBuf));
if (NS_SUCCEEDED(rv))
_retval = ucsBuf;
return rv;
}
NS_IMETHODIMP
nsLocalFile::CopyTo(nsIFile *newParentDir, const nsAString &newName)
{
if (newName.IsEmpty())
return CopyToNative(newParentDir, nsCString());
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(newName).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return CopyToNative(newParentDir, tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::CopyToFollowingLinks(nsIFile *newParentDir, const nsAString &newName)
{
if (newName.IsEmpty())
return CopyToFollowingLinksNative(newParentDir, nsCString());
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(newName).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return CopyToFollowingLinksNative(newParentDir, tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::MoveTo(nsIFile *newParentDir, const nsAString &newName)
{
if (newName.IsEmpty())
return MoveToNative(newParentDir, nsCString());
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(newName).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return MoveToNative(newParentDir, tmp);
return rv;
}
NS_IMETHODIMP
nsLocalFile::GetTarget(nsAString &_retval)
{
nsCAutoString tmp;
nsresult rv = GetNativeTarget(tmp);
if (NS_SUCCEEDED(rv)) {
nsXPIDLString ucsBuf;
rv = FStoUCS2(tmp.get(), getter_Copies(ucsBuf));
if (NS_SUCCEEDED(rv))
_retval = ucsBuf;
}
return rv;
}
nsresult
NS_NewLocalFile(const nsAString &path, PRBool followLinks, nsILocalFile* *result)
{
if (path.IsEmpty())
return NS_NewNativeLocalFile(nsCString(), followLinks, result);
nsXPIDLCString tmp;
nsresult rv = UCS2toFS(PromiseFlatString(path).get(), getter_Copies(tmp));
if (NS_SUCCEEDED(rv))
return NS_NewNativeLocalFile(tmp, followLinks, result);
return NS_OK;
}
//----------------------------------------------------------------------------
// global init/shutdown
//----------------------------------------------------------------------------
void
nsLocalFile::GlobalInit()
{
NS_CreateUnicodeConverters();
}
void
nsLocalFile::GlobalShutdown()
{
NS_DestroyUnicodeConverters();
}
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