mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 22:55:23 +00:00
841 lines
26 KiB
C++
841 lines
26 KiB
C++
/* ***** 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 the Mozilla OS/2 libraries.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* John Fairhurst, <john_fairhurst@iname.com>.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Henry Sobotka <sobotka@axess.com>
|
|
* 00/01/06: general review and update against Win/Unix versions;
|
|
* replaced nsFileSpec::Execute implementation with system() call
|
|
*
|
|
* 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 *****
|
|
*
|
|
* This Original Code has been modified by IBM Corporation.
|
|
* Modifications made by IBM described herein are
|
|
* Copyright (c) International Business Machines
|
|
* Corporation, 2000
|
|
*
|
|
* Modifications to Mozilla code or documentation
|
|
* identified per MPL Section 3.3
|
|
*
|
|
* Date Modified by Description of modification
|
|
* 03/23/2000 IBM Corp. Fixed bug where 2 char or less profile names treated as drive letters.
|
|
* 06/20/2000 IBM Corp. Make it more like Windows version.
|
|
*/
|
|
|
|
#define INCL_DOSERRORS
|
|
#define INCL_DOS
|
|
#define INCL_WINWORKPLACE
|
|
#include <os2.h>
|
|
|
|
#ifdef XP_OS2_VACPP
|
|
#include <direct.h>
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <limits.h>
|
|
#include <ctype.h>
|
|
#include <io.h>
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
|
|
// Canonify, make absolute, and check whether directories exist. This
|
|
// takes a (possibly relative) native path and converts it into a
|
|
// fully qualified native path.
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (ioPath.IsEmpty())
|
|
return;
|
|
|
|
NS_ASSERTION(strchr((const char*)ioPath, '/') == 0,
|
|
"This smells like a Unix path. Native path expected! "
|
|
"Please fix.");
|
|
if (inMakeDirs)
|
|
{
|
|
const int mode = 0700;
|
|
nsSimpleCharString unixStylePath = ioPath;
|
|
nsFileSpecHelpers::NativeToUnix(unixStylePath);
|
|
nsFileSpecHelpers::MakeAllDirectories((const char*)unixStylePath, mode);
|
|
}
|
|
char buffer[_MAX_PATH];
|
|
errno = 0;
|
|
*buffer = '\0';
|
|
#ifdef XP_OS2
|
|
PRBool removedBackslash = PR_FALSE;
|
|
PRUint32 lenstr = ioPath.Length();
|
|
char &lastchar = ioPath[lenstr -1];
|
|
|
|
// Strip off any trailing backslash UNLESS it's the backslash that
|
|
// comes after "X:". Note also that "\" is valid. Sheesh.
|
|
//
|
|
if( lastchar == '\\' && (lenstr != 3 || ioPath[1] != ':') && lenstr != 1)
|
|
{
|
|
lastchar = '\0';
|
|
removedBackslash = PR_TRUE;
|
|
}
|
|
|
|
char canonicalPath[CCHMAXPATH] = "";
|
|
|
|
DosQueryPathInfo( (char*) ioPath,
|
|
FIL_QUERYFULLNAME,
|
|
canonicalPath,
|
|
CCHMAXPATH);
|
|
#else
|
|
char* canonicalPath = _fullpath(buffer, ioPath, _MAX_PATH);
|
|
#endif
|
|
|
|
if (canonicalPath)
|
|
{
|
|
NS_ASSERTION( canonicalPath[0] != '\0', "Uh oh...couldn't convert" );
|
|
if (canonicalPath[0] == '\0')
|
|
return;
|
|
#ifdef XP_OS2
|
|
// If we removed that backslash, add it back onto the fullpath
|
|
if (removedBackslash)
|
|
strcat( canonicalPath, "\\");
|
|
#endif
|
|
}
|
|
ioPath = canonicalPath;
|
|
} // nsFileSpecHelpers::Canonify
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpecHelpers::UnixToNative(nsSimpleCharString& ioPath)
|
|
// This just does string manipulation. It doesn't check reality, or canonify, or
|
|
// anything
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
// Allow for relative or absolute. We can do this in place, because the
|
|
// native path is never longer.
|
|
|
|
if (ioPath.IsEmpty())
|
|
return;
|
|
|
|
// Strip initial slash for an absolute path
|
|
char* src = (char*)ioPath;
|
|
if (*src == '/') {
|
|
if (!src[1]) {
|
|
// allocate new string by copying from ioPath[1]
|
|
nsSimpleCharString temp = src + 1;
|
|
ioPath = temp;
|
|
return;
|
|
}
|
|
// Since it was an absolute path, check for the drive letter
|
|
char* colonPointer = src + 2;
|
|
if (strstr(src, "|/") == colonPointer)
|
|
*colonPointer = ':';
|
|
// allocate new string by copying from ioPath[1]
|
|
nsSimpleCharString temp = src + 1;
|
|
ioPath = temp;
|
|
}
|
|
|
|
src = (char*)ioPath;
|
|
|
|
if (*src) {
|
|
// Convert '/' to '\'.
|
|
while (*++src)
|
|
{
|
|
if (*src == '/')
|
|
*src = '\\';
|
|
}
|
|
}
|
|
} // nsFileSpecHelpers::UnixToNative
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpecHelpers::NativeToUnix(nsSimpleCharString& ioPath)
|
|
// This just does string manipulation. It doesn't check reality, or canonify, or
|
|
// anything. The unix path is longer, so we can't do it in place.
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (ioPath.IsEmpty())
|
|
return;
|
|
|
|
// Convert the drive-letter separator, if present
|
|
nsSimpleCharString temp("/");
|
|
|
|
char* cp = (char*)ioPath + 1;
|
|
if (strstr(cp, ":\\") == cp)
|
|
*cp = '|'; // absolute path
|
|
else
|
|
temp[0] = '\0'; // relative path
|
|
|
|
// Convert '\' to '/'
|
|
for (; *cp; cp++)
|
|
{
|
|
#ifdef XP_OS2
|
|
// OS2TODO - implement equivalent of IsDBCSLeadByte
|
|
#else
|
|
if(IsDBCSLeadByte(*cp) && *(cp+1) != nsnull)
|
|
{
|
|
cp++;
|
|
continue;
|
|
}
|
|
#endif
|
|
if (*cp == '\\')
|
|
*cp = '/';
|
|
}
|
|
// Add the slash in front.
|
|
temp += ioPath;
|
|
ioPath = temp;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsFileSpec::nsFileSpec(const nsFilePath& inPath)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
|
|
*this = inPath;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::operator = (const nsFilePath& inPath)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
mPath = (const char*)inPath;
|
|
nsFileSpecHelpers::UnixToNative(mPath);
|
|
mError = NS_OK;
|
|
} // nsFileSpec::operator =
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsFilePath::nsFilePath(const nsFileSpec& inSpec)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
*this = inSpec;
|
|
} // nsFilePath::nsFilePath
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFilePath::operator = (const nsFileSpec& inSpec)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
mPath = inSpec.mPath;
|
|
nsFileSpecHelpers::NativeToUnix(mPath);
|
|
} // nsFilePath::operator =
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::SetLeafName(const char* inLeafName)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
NS_ASSERTION(inLeafName, "Attempt to SetLeafName with a null string");
|
|
mPath.LeafReplace('\\', inLeafName);
|
|
} // nsFileSpec::SetLeafName
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
char* nsFileSpec::GetLeafName() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
return mPath.GetLeaf('\\');
|
|
} // nsFileSpec::GetLeafName
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRBool nsFileSpec::Exists() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
struct stat st;
|
|
return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st);
|
|
} // nsFileSpec::Exists
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::GetModDate(TimeStamp& outStamp) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
struct stat st;
|
|
if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0)
|
|
outStamp = st.st_mtime;
|
|
else
|
|
outStamp = 0;
|
|
} // nsFileSpec::GetModDate
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRUint32 nsFileSpec::GetFileSize() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
struct stat st;
|
|
if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0)
|
|
return (PRUint32)st.st_size;
|
|
return 0;
|
|
} // nsFileSpec::GetFileSize
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRBool nsFileSpec::IsFile() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
struct stat st;
|
|
#ifdef XP_OS2
|
|
return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && ( S_IFREG & st.st_mode);
|
|
#else
|
|
return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFREG & st.st_mode);
|
|
#endif
|
|
} // nsFileSpec::IsFile
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRBool nsFileSpec::IsDirectory() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
struct stat st;
|
|
#ifdef XP_OS2
|
|
return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && ( S_IFDIR & st.st_mode);
|
|
#else
|
|
return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFDIR & st.st_mode);
|
|
#endif
|
|
} // nsFileSpec::IsDirectory
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRBool nsFileSpec::IsHidden() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
PRBool hidden = PR_FALSE;
|
|
if (!mPath.IsEmpty())
|
|
{
|
|
#ifdef XP_OS2
|
|
FILESTATUS3 fs3;
|
|
APIRET rc;
|
|
|
|
rc = DosQueryPathInfo( mPath,
|
|
FIL_STANDARD,
|
|
&fs3,
|
|
sizeof fs3);
|
|
if(!rc)
|
|
hidden = fs3.attrFile & FILE_HIDDEN ? PR_TRUE : PR_FALSE;
|
|
#else
|
|
DWORD attr = GetFileAttributes(mPath);
|
|
if (FILE_ATTRIBUTE_HIDDEN & attr)
|
|
hidden = PR_TRUE;
|
|
#endif
|
|
}
|
|
return hidden;
|
|
}
|
|
// nsFileSpec::IsHidden
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRBool nsFileSpec::IsSymlink() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
#ifdef XP_OS2
|
|
return PR_FALSE; // No symlinks on OS/2
|
|
#else
|
|
HRESULT hres;
|
|
IShellLink* psl;
|
|
|
|
PRBool isSymlink = PR_FALSE;
|
|
|
|
CoInitialize(NULL);
|
|
// Get a pointer to the IShellLink interface.
|
|
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
IPersistFile* ppf;
|
|
|
|
// Get a pointer to the IPersistFile interface.
|
|
hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
|
|
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
WORD wsz[MAX_PATH];
|
|
// Ensure that the string is Unicode.
|
|
MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH);
|
|
|
|
// Load the shortcut.
|
|
hres = ppf->Load(wsz, STGM_READ);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
isSymlink = PR_TRUE;
|
|
}
|
|
|
|
// Release the pointer to the IPersistFile interface.
|
|
ppf->Release();
|
|
}
|
|
|
|
// Release the pointer to the IShellLink interface.
|
|
psl->Release();
|
|
}
|
|
|
|
CoUninitialize();
|
|
|
|
return isSymlink;
|
|
#endif
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult nsFileSpec::ResolveSymlink(PRBool& wasSymlink)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
#ifdef XP_OS2
|
|
return NS_OK; // no symlinks on OS/2
|
|
#else
|
|
wasSymlink = PR_FALSE; // assume failure
|
|
|
|
if (Exists())
|
|
return NS_OK;
|
|
|
|
|
|
HRESULT hres;
|
|
IShellLink* psl;
|
|
|
|
CoInitialize(NULL);
|
|
|
|
// Get a pointer to the IShellLink interface.
|
|
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
IPersistFile* ppf;
|
|
|
|
// Get a pointer to the IPersistFile interface.
|
|
hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
|
|
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
WORD wsz[MAX_PATH];
|
|
// Ensure that the string is Unicode.
|
|
MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH);
|
|
|
|
// Load the shortcut.
|
|
hres = ppf->Load(wsz, STGM_READ);
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
wasSymlink = PR_TRUE;
|
|
|
|
// Resolve the link.
|
|
hres = psl->Resolve(nsnull, SLR_NO_UI );
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
char szGotPath[MAX_PATH];
|
|
WIN32_FIND_DATA wfd;
|
|
|
|
// Get the path to the link target.
|
|
hres = psl->GetPath( szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY );
|
|
|
|
if (SUCCEEDED(hres))
|
|
{
|
|
// Here we modify the nsFileSpec;
|
|
mPath = szGotPath;
|
|
mError = NS_OK;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// It wasn't a shortcut. Oh well. Leave it like it was.
|
|
hres = 0;
|
|
}
|
|
|
|
// Release the pointer to the IPersistFile interface.
|
|
ppf->Release();
|
|
}
|
|
// Release the pointer to the IShellLink interface.
|
|
psl->Release();
|
|
}
|
|
|
|
CoUninitialize();
|
|
|
|
if (SUCCEEDED(hres))
|
|
return NS_OK;
|
|
|
|
return NS_FILE_FAILURE;
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::GetParent(nsFileSpec& outSpec) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
outSpec.mPath = mPath;
|
|
char* chars = (char*)outSpec.mPath;
|
|
chars[outSpec.mPath.Length() - 1] = '\0'; // avoid trailing separator, if any
|
|
char* cp = strrchr(chars, '\\');
|
|
if (cp++)
|
|
outSpec.mPath.SetLength(cp - chars); // truncate.
|
|
} // nsFileSpec::GetParent
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::operator += (const char* inRelativePath)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
NS_ASSERTION(inRelativePath, "Attempt to do += with a null string");
|
|
|
|
if (!inRelativePath || mPath.IsEmpty())
|
|
return;
|
|
|
|
if (mPath[mPath.Length() - 1] == '\\')
|
|
mPath += "x";
|
|
else
|
|
mPath += "\\x";
|
|
|
|
// If it's a (unix) relative path, make it native
|
|
nsSimpleCharString dosPath = inRelativePath;
|
|
nsFileSpecHelpers::UnixToNative(dosPath);
|
|
SetLeafName(dosPath);
|
|
} // nsFileSpec::operator +=
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::CreateDirectory(int /*mode*/)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
// Note that mPath is canonical!
|
|
if (!mPath.IsEmpty())
|
|
#ifdef XP_OS2
|
|
// OS2TODO - vacpp complains about mkdir but PR_MkDir should be ok?
|
|
PR_MkDir(nsNSPRPath(*this), PR_CREATE_FILE);
|
|
#else
|
|
mkdir(nsNSPRPath(*this));
|
|
#endif
|
|
} // nsFileSpec::CreateDirectory
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::Delete(PRBool inRecursive) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (IsDirectory())
|
|
{
|
|
if (inRecursive)
|
|
{
|
|
for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
|
|
{
|
|
nsFileSpec& child = i.Spec();
|
|
child.Delete(inRecursive);
|
|
}
|
|
}
|
|
#ifdef XP_OS2
|
|
// OS2TODO - vacpp complains if use rmdir but PR_RmDir should be ok?
|
|
PR_RmDir(nsNSPRPath(*this));
|
|
#else
|
|
rmdir(nsNSPRPath(*this));
|
|
#endif
|
|
}
|
|
else if (!mPath.IsEmpty())
|
|
{
|
|
remove(nsNSPRPath(*this));
|
|
}
|
|
} // nsFileSpec::Delete
|
|
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
void nsFileSpec::RecursiveCopy(nsFileSpec newDir) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (IsDirectory())
|
|
{
|
|
if (!(newDir.Exists()))
|
|
{
|
|
newDir.CreateDirectory();
|
|
}
|
|
|
|
for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
|
|
{
|
|
nsFileSpec& child = i.Spec();
|
|
|
|
if (child.IsDirectory())
|
|
{
|
|
nsFileSpec tmpDirSpec(newDir);
|
|
|
|
char *leafname = child.GetLeafName();
|
|
tmpDirSpec += leafname;
|
|
nsCRT::free(leafname);
|
|
|
|
child.RecursiveCopy(tmpDirSpec);
|
|
}
|
|
else
|
|
{
|
|
child.RecursiveCopy(newDir);
|
|
}
|
|
}
|
|
}
|
|
else if (!mPath.IsEmpty())
|
|
{
|
|
nsFileSpec& filePath = (nsFileSpec&) *this;
|
|
|
|
if (!(newDir.Exists()))
|
|
{
|
|
newDir.CreateDirectory();
|
|
}
|
|
|
|
filePath.CopyToDir(newDir);
|
|
}
|
|
} // nsFileSpec::RecursiveCopy
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult
|
|
nsFileSpec::Truncate(PRInt32 aNewFileLength) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
#ifdef XP_OS2
|
|
APIRET rc;
|
|
HFILE hFile;
|
|
ULONG actionTaken;
|
|
|
|
rc = DosOpen(mPath,
|
|
&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)
|
|
return NS_FILE_FAILURE;
|
|
|
|
rc = DosSetFileSize(hFile, aNewFileLength);
|
|
|
|
if (rc == NO_ERROR)
|
|
DosClose(hFile);
|
|
else
|
|
goto error;
|
|
#else
|
|
DWORD status;
|
|
HANDLE hFile;
|
|
|
|
// Leave it to Microsoft to open an existing file with a function
|
|
// named "CreateFile".
|
|
hFile = CreateFile(mPath,
|
|
GENERIC_WRITE,
|
|
FILE_SHARE_READ,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
NULL);
|
|
if (hFile == INVALID_HANDLE_VALUE)
|
|
return NS_FILE_FAILURE;
|
|
|
|
// Seek to new, desired end of file
|
|
status = SetFilePointer(hFile, aNewFileLength, NULL, FILE_BEGIN);
|
|
if (status == 0xffffffff)
|
|
goto error;
|
|
|
|
// Truncate file at current cursor position
|
|
if (!SetEndOfFile(hFile))
|
|
goto error;
|
|
|
|
if (!CloseHandle(hFile))
|
|
return NS_FILE_FAILURE;
|
|
#endif
|
|
|
|
return NS_OK;
|
|
|
|
error:
|
|
#ifdef XP_OS2
|
|
DosClose(hFile);
|
|
#else
|
|
CloseHandle(hFile);
|
|
#endif
|
|
return NS_FILE_FAILURE;
|
|
|
|
} // nsFileSpec::Truncate
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult nsFileSpec::Rename(const char* inNewName)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
NS_ASSERTION(inNewName, "Attempt to Rename with a null string");
|
|
|
|
// This function should not be used to move a file on disk.
|
|
if (strchr(inNewName, '/'))
|
|
return NS_FILE_FAILURE;
|
|
|
|
char* oldPath = nsCRT::strdup(mPath);
|
|
|
|
SetLeafName(inNewName);
|
|
|
|
if (PR_Rename(oldPath, mPath) != NS_OK)
|
|
{
|
|
// Could not rename, set back to the original.
|
|
mPath = oldPath;
|
|
return NS_FILE_FAILURE;
|
|
}
|
|
|
|
nsCRT::free(oldPath);
|
|
|
|
return NS_OK;
|
|
} // nsFileSpec::Rename
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult nsFileSpec::CopyToDir(const nsFileSpec& inParentDirectory) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
// We can only copy into a directory, and (for now) can not copy entire directories
|
|
if (inParentDirectory.IsDirectory() && (! IsDirectory() ) )
|
|
{
|
|
char *leafname = GetLeafName();
|
|
nsSimpleCharString destPath(inParentDirectory.GetCString());
|
|
destPath += "\\";
|
|
destPath += leafname;
|
|
nsCRT::free(leafname);
|
|
|
|
// CopyFile returns non-zero if succeeds
|
|
#ifdef XP_OS2
|
|
APIRET rc;
|
|
PRBool copyOK;
|
|
|
|
rc = DosCopy(GetCString(), (PSZ)destPath, DCPY_EXISTING);
|
|
|
|
if (rc == NO_ERROR)
|
|
copyOK = PR_TRUE;
|
|
else
|
|
copyOK = PR_FALSE;
|
|
#else
|
|
int copyOK = CopyFile(GetCString(), destPath, PR_TRUE);
|
|
#endif
|
|
if (copyOK)
|
|
return NS_OK;
|
|
}
|
|
return NS_FILE_FAILURE;
|
|
} // nsFileSpec::CopyToDir
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult nsFileSpec::MoveToDir(const nsFileSpec& inNewParentDirectory)
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
// We can only copy into a directory, and (for now) can not copy entire directories
|
|
if (inNewParentDirectory.IsDirectory() && (! IsDirectory() ) )
|
|
{
|
|
char *leafname = GetLeafName();
|
|
nsSimpleCharString destPath(inNewParentDirectory.GetCString());
|
|
destPath += "\\";
|
|
destPath += leafname;
|
|
nsCRT::free(leafname);
|
|
|
|
if (DosMove(GetCString(), destPath) == NO_ERROR)
|
|
{
|
|
*this = inNewParentDirectory + GetLeafName();
|
|
return NS_OK;
|
|
}
|
|
|
|
}
|
|
return NS_FILE_FAILURE;
|
|
} // nsFileSpec::MoveToDir
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsresult nsFileSpec::Execute(const char* inArgs ) const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (!IsDirectory())
|
|
{
|
|
#ifdef XP_OS2
|
|
nsresult result = NS_FILE_FAILURE;
|
|
|
|
if (!mPath.IsEmpty())
|
|
{
|
|
nsSimpleCharString fileNameWithArgs = mPath + " " + inArgs;
|
|
result = NS_FILE_RESULT(system(fileNameWithArgs));
|
|
}
|
|
return result;
|
|
#else
|
|
nsSimpleCharString fileNameWithArgs = "\"";
|
|
fileNameWithArgs += mPath + "\" " + inArgs;
|
|
int execResult = WinExec( fileNameWithArgs, SW_NORMAL );
|
|
if (execResult > 31)
|
|
return NS_OK;
|
|
#endif
|
|
}
|
|
return NS_FILE_FAILURE;
|
|
} // nsFileSpec::Execute
|
|
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
PRInt64 nsFileSpec::GetDiskSpaceAvailable() const
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
PRInt64 nBytes = 0;
|
|
ULONG ulDriveNo = toupper(mPath[0]) + 1 - 'A';
|
|
FSALLOCATE fsAllocate;
|
|
APIRET rc = DosQueryFSInfo(ulDriveNo,
|
|
FSIL_ALLOC,
|
|
&fsAllocate,
|
|
sizeof(fsAllocate));
|
|
|
|
if (rc == NO_ERROR) {
|
|
nBytes = fsAllocate.cUnitAvail;
|
|
nBytes *= fsAllocate.cSectorUnit;
|
|
nBytes *= fsAllocate.cbSector;
|
|
}
|
|
|
|
return nBytes;
|
|
}
|
|
|
|
|
|
|
|
//========================================================================================
|
|
// nsDirectoryIterator
|
|
//========================================================================================
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsDirectoryIterator::nsDirectoryIterator(const nsFileSpec& inDirectory, PRBool resolveSymlink)
|
|
//----------------------------------------------------------------------------------------
|
|
: mCurrent(inDirectory)
|
|
, mDir(nsnull)
|
|
, mStarting(inDirectory)
|
|
, mExists(PR_FALSE)
|
|
, mResoveSymLinks(resolveSymlink)
|
|
{
|
|
mDir = PR_OpenDir(inDirectory);
|
|
mCurrent += "dummy";
|
|
mStarting += "dummy";
|
|
++(*this);
|
|
} // nsDirectoryIterator::nsDirectoryIterator
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsDirectoryIterator::~nsDirectoryIterator()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
if (mDir)
|
|
PR_CloseDir(mDir);
|
|
} // nsDirectoryIterator::nsDirectoryIterator
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
mExists = PR_FALSE;
|
|
if (!mDir)
|
|
return *this;
|
|
PRDirEntry* entry = PR_ReadDir(mDir, PR_SKIP_BOTH); // Ignore '.' && '..'
|
|
if (entry)
|
|
{
|
|
mExists = PR_TRUE;
|
|
mCurrent = mStarting;
|
|
mCurrent.SetLeafName(entry->name);
|
|
if (mResoveSymLinks)
|
|
{
|
|
PRBool ignore;
|
|
mCurrent.ResolveSymlink(ignore);
|
|
}
|
|
}
|
|
return *this;
|
|
} // nsDirectoryIterator::operator ++
|
|
|
|
//----------------------------------------------------------------------------------------
|
|
nsDirectoryIterator& nsDirectoryIterator::operator -- ()
|
|
//----------------------------------------------------------------------------------------
|
|
{
|
|
return ++(*this); // can't do it backwards.
|
|
} // nsDirectoryIterator::operator --
|
|
|