gecko-dev/xpcom/io/nsFileSpecWin.cpp

432 lines
14 KiB
C++

/* -*- 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
// This file is included by nsFileSpec.cp, and includes the Windows-specific
// implementations.
#include <sys/stat.h>
#include <direct.h>
#include <stdlib.h>
#include "prio.h"
#include "nsError.h"
#include "windows.h"
#ifdef UNICODE
#define CreateDirectoryW CreateDirectory
#else
#define CreateDirectoryA CreateDirectory
#endif
//----------------------------------------------------------------------------------------
void nsFileSpecHelpers::Canonify(char*& 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)
return;
if (inMakeDirs)
{
const int mode = 0700;
char* unixStylePath = nsFileSpecHelpers::StringDup(ioPath);
nsFileSpecHelpers::NativeToUnix(unixStylePath);
nsFileSpecHelpers::MakeAllDirectories(unixStylePath, mode);
delete[] unixStylePath;
}
char buffer[_MAX_PATH];
errno = 0;
*buffer = '\0';
char* canonicalPath = _fullpath(buffer, ioPath, _MAX_PATH);
NS_ASSERTION( canonicalPath[0] != '\0', "Uh oh...couldn't convert" );
if (canonicalPath[0] == '\0')
return;
nsFileSpecHelpers::StringAssign(ioPath, canonicalPath);
}
//----------------------------------------------------------------------------------------
void nsFileSpecHelpers::UnixToNative(char*& 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 || !*ioPath)
return;
char* src = ioPath;
if (*ioPath == '/')
{
// Strip initial slash for an absolute path
src++;
}
// Convert the vertical slash to a colon
char* cp = src + 1;
// If it was an absolute path, check for the drive letter
if (*ioPath == '/' && strstr(cp, "|/") == cp)
*cp = ':';
// Convert '/' to '\'.
while (*++cp)
{
if (*cp == '/')
*cp = '\\';
}
if (*ioPath == '/') {
for (cp = ioPath; *cp; ++cp)
*cp = *(cp + 1);
}
}
//----------------------------------------------------------------------------------------
void nsFileSpecHelpers::NativeToUnix(char*& 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 || !*ioPath)
return;
// Convert the drive-letter separator, if present
char* temp = nsFileSpecHelpers::StringDup("/", 1 + strlen(ioPath));
char* cp = ioPath + 1;
if (strstr(cp, ":\\") == cp) {
*cp = '|'; // absolute path
}
else {
*temp = '\0'; // relative path
}
// Convert '\' to '/'
for (; *cp; cp++)
{
if (*cp == '\\')
*cp = '/';
}
// Add the slash in front.
strcat(temp, ioPath);
StringAssign(ioPath, temp);
delete [] temp;
}
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const nsFilePath& inPath)
//----------------------------------------------------------------------------------------
: mPath(NULL)
{
*this = inPath;
}
//----------------------------------------------------------------------------------------
void nsFileSpec::operator = (const nsFilePath& inPath)
//----------------------------------------------------------------------------------------
{
nsFileSpecHelpers::StringAssign(mPath, (const char*)inPath);
nsFileSpecHelpers::UnixToNative(mPath);
mError = NS_OK;
} // nsFileSpec::operator =
//----------------------------------------------------------------------------------------
nsFilePath::nsFilePath(const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
: mPath(NULL)
{
*this = inSpec;
} // nsFilePath::nsFilePath
//----------------------------------------------------------------------------------------
void nsFilePath::operator = (const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
{
nsFileSpecHelpers::StringAssign(mPath, inSpec.mPath);
nsFileSpecHelpers::NativeToUnix(mPath);
} // nsFilePath::operator =
//----------------------------------------------------------------------------------------
void nsFileSpec::SetLeafName(const char* inLeafName)
//----------------------------------------------------------------------------------------
{
nsFileSpecHelpers::LeafReplace(mPath, '\\', inLeafName);
} // nsFileSpec::SetLeafName
//----------------------------------------------------------------------------------------
char* nsFileSpec::GetLeafName() const
//----------------------------------------------------------------------------------------
{
return nsFileSpecHelpers::GetLeaf(mPath, '\\');
} // nsFileSpec::GetLeafName
//----------------------------------------------------------------------------------------
PRBool nsFileSpec::Exists() const
//----------------------------------------------------------------------------------------
{
struct stat st;
return 0 == stat(mPath, &st);
} // nsFileSpec::Exists
//----------------------------------------------------------------------------------------
void nsFileSpec::GetModDate(TimeStamp& outStamp) const
//----------------------------------------------------------------------------------------
{
struct stat st;
if (stat(mPath, &st) == 0)
outStamp = st.st_mtime;
else
outStamp = 0;
} // nsFileSpec::GetModDate
//----------------------------------------------------------------------------------------
PRUint32 nsFileSpec::GetFileSize() const
//----------------------------------------------------------------------------------------
{
struct stat st;
if (stat(mPath, &st) == 0)
return (PRUint32)st.st_size;
return 0;
} // nsFileSpec::GetFileSize
//----------------------------------------------------------------------------------------
PRBool nsFileSpec::IsFile() const
//----------------------------------------------------------------------------------------
{
struct stat st;
return 0 == stat(mPath, &st) && (_S_IFREG & st.st_mode);
} // nsFileSpec::IsFile
//----------------------------------------------------------------------------------------
PRBool nsFileSpec::IsDirectory() const
//----------------------------------------------------------------------------------------
{
struct stat st;
return 0 == stat(mPath, &st) && (_S_IFDIR & st.st_mode);
} // nsFileSpec::IsDirectory
//----------------------------------------------------------------------------------------
void nsFileSpec::GetParent(nsFileSpec& outSpec) const
//----------------------------------------------------------------------------------------
{
nsFileSpecHelpers::StringAssign(outSpec.mPath, mPath);
char* cp = strrchr(outSpec.mPath, '\\');
if (cp)
*cp = '\0';
} // nsFileSpec::GetParent
//----------------------------------------------------------------------------------------
void nsFileSpec::operator += (const char* inRelativePath)
//----------------------------------------------------------------------------------------
{
if (!inRelativePath || !mPath)
return;
if (mPath[strlen(mPath) - 1] == '\\')
nsFileSpecHelpers::ReallocCat(mPath, "x");
else
nsFileSpecHelpers::ReallocCat(mPath, "\\x");
SetLeafName(inRelativePath);
} // nsFileSpec::operator +=
//----------------------------------------------------------------------------------------
void nsFileSpec::CreateDirectory(int /*mode*/)
//----------------------------------------------------------------------------------------
{
// Note that mPath is canonical!
mkdir(mPath);
} // nsFileSpec::CreateDirectory
//----------------------------------------------------------------------------------------
void nsFileSpec::Delete(PRBool inRecursive) const
//----------------------------------------------------------------------------------------
{
if (IsDirectory())
{
if (inRecursive)
{
for (nsDirectoryIterator i(*this); i.Exists(); i++)
{
nsFileSpec& child = (nsFileSpec&)i;
child.Delete(inRecursive);
}
}
rmdir(mPath);
}
else
{
remove(mPath);
}
} // nsFileSpec::Delete
//----------------------------------------------------------------------------------------
nsresult nsFileSpec::Rename(const char* inNewName)
//----------------------------------------------------------------------------------------
{
// This function should not be used to move a file on disk.
if (strchr(inNewName, '/'))
return NS_FILE_FAILURE;
if (PR_Rename(*this, inNewName) != NS_OK)
{
return NS_FILE_FAILURE;
}
SetLeafName(inNewName);
return NS_OK;
} // nsFileSpec::Rename
//----------------------------------------------------------------------------------------
nsresult nsFileSpec::Copy(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();
char* destPath = nsFileSpecHelpers::StringDup(inParentDirectory, ( strlen(inParentDirectory) + 1 + strlen(leafname) ) );
strcat(destPath, "\\");
strcat(destPath, leafname);
delete [] leafname;
// CopyFile returns non-zero if succeeds
int copyOK = CopyFile(*this, destPath, true);
delete[] destPath;
if (copyOK)
{
return NS_OK;
}
}
return NS_FILE_FAILURE;
} // nsFileSpec::Copy
//----------------------------------------------------------------------------------------
nsresult nsFileSpec::Move(const nsFileSpec& nsNewParentDirectory) const
//----------------------------------------------------------------------------------------
{
// We can only copy into a directory, and (for now) can not copy entire directories
if (nsNewParentDirectory.IsDirectory() && (! IsDirectory() ) )
{
char *leafname = GetLeafName();
char *destPath = nsFileSpecHelpers::StringDup(nsNewParentDirectory, ( strlen(nsNewParentDirectory) + 1 + strlen(leafname) ));
strcat(destPath, "\\");
strcat(destPath, leafname);
delete [] leafname;
// MoveFile returns non-zero if succeeds
int copyOK = MoveFile(*this, destPath);
delete [] destPath;
if (copyOK)
{
return NS_OK;
}
}
return NS_FILE_FAILURE;
} // nsFileSpec::Move
//----------------------------------------------------------------------------------------
nsresult nsFileSpec::Execute(const char* inArgs ) const
//----------------------------------------------------------------------------------------
{
if (! IsDirectory())
{
char* fileNameWithArgs = NULL;
fileNameWithArgs = nsFileSpecHelpers::StringDup(mPath, ( strlen(mPath) + 1 + strlen(inArgs) ) );
strcat(fileNameWithArgs, " ");
strcat(fileNameWithArgs, inArgs);
int execResult = WinExec( fileNameWithArgs, SW_NORMAL );
delete [] fileNameWithArgs;
if (execResult > 31)
{
return NS_OK;
}
}
return NS_FILE_FAILURE;
} // nsFileSpec::Execute
//========================================================================================
// nsDirectoryIterator
//========================================================================================
//----------------------------------------------------------------------------------------
nsDirectoryIterator::nsDirectoryIterator(
const nsFileSpec& inDirectory
, int inIterateDirection)
//----------------------------------------------------------------------------------------
: mCurrent(inDirectory)
, mDir(nsnull)
, mExists(PR_FALSE)
{
mDir = PR_OpenDir(inDirectory);
mCurrent += "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.SetLeafName(entry->name);
}
return *this;
} // nsDirectoryIterator::operator ++
//----------------------------------------------------------------------------------------
nsDirectoryIterator& nsDirectoryIterator::operator -- ()
//----------------------------------------------------------------------------------------
{
return ++(*this); // can't do it backwards.
} // nsDirectoryIterator::operator --