зеркало из https://github.com/mozilla/gecko-dev.git
409 строки
13 KiB
C++
409 строки
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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// This file is included by nsFileSpec.cp, and includes the Windows-specific
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// implementations.
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#include <sys/stat.h>
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#include <direct.h>
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#include <stdlib.h>
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#include "prio.h"
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#include "nsError.h"
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#include "windows.h"
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#ifdef UNICODE
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#define CreateDirectoryW CreateDirectory
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#else
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#define CreateDirectoryA CreateDirectory
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#endif
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//----------------------------------------------------------------------------------------
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void nsFileSpecHelpers::Canonify(char*& ioPath, PRBool inMakeDirs)
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// Canonify, make absolute, and check whether directories exist. This
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// takes a (possibly relative) native path and converts it into a
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// fully qualified native path.
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//----------------------------------------------------------------------------------------
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{
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if (!ioPath)
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return;
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if (inMakeDirs) {
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const int mode = 0700;
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char* unixStylePath = nsFileSpecHelpers::StringDup(ioPath);
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nsFileSpecHelpers::NativeToUnix(unixStylePath);
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nsFileSpecHelpers::MakeAllDirectories(unixStylePath, mode);
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delete[] unixStylePath;
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}
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char buffer[_MAX_PATH];
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errno = 0;
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*buffer = '\0';
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char* canonicalPath = _fullpath(buffer, ioPath, _MAX_PATH);
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NS_ASSERTION( canonicalPath[0] != '\0', "Uh oh...couldn't convert" );
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if (canonicalPath[0] == '\0')
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return;
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nsFileSpecHelpers::StringAssign(ioPath, canonicalPath);
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}
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//----------------------------------------------------------------------------------------
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void nsFileSpecHelpers::UnixToNative(char*& ioPath)
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// This just does string manipulation. It doesn't check reality, or canonify, or
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// anything
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//----------------------------------------------------------------------------------------
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{
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// Allow for relative or absolute. We can do this in place, because the
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// native path is never longer.
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if (!ioPath || !*ioPath)
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return;
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char* src = ioPath;
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if (*ioPath == '/')
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{
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// Strip initial slash for an absolute path
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src++;
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}
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// Convert the vertical slash to a colon
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char* cp = src + 1;
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// If it was an absolute path, check for the drive letter
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if (*ioPath == '/' && strstr(cp, "|/") == cp)
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*cp = ':';
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// Convert '/' to '\'.
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while (*++cp)
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{
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if (*cp == '/')
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*cp = '\\';
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}
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if (*ioPath == '/') {
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for (cp = ioPath; *cp; ++cp)
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*cp = *(cp + 1);
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}
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}
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//----------------------------------------------------------------------------------------
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void nsFileSpecHelpers::NativeToUnix(char*& ioPath)
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// This just does string manipulation. It doesn't check reality, or canonify, or
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// anything. The unix path is longer, so we can't do it in place.
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//----------------------------------------------------------------------------------------
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{
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if (!ioPath || !*ioPath)
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return;
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// Convert the drive-letter separator, if present
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char* temp = nsFileSpecHelpers::StringDup("/", 1 + strlen(ioPath));
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char* cp = ioPath + 1;
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if (strstr(cp, ":\\") == cp) {
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*cp = '|'; // absolute path
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}
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else {
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*temp = '\0'; // relative path
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}
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// Convert '\' to '/'
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for (; *cp; cp++)
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{
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if (*cp == '\\')
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*cp = '/';
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}
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// Add the slash in front.
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strcat(temp, ioPath);
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StringAssign(ioPath, temp);
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delete [] temp;
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}
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//----------------------------------------------------------------------------------------
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nsFileSpec::nsFileSpec(const nsFilePath& inPath)
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//----------------------------------------------------------------------------------------
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: mPath(NULL)
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{
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*this = inPath;
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}
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//----------------------------------------------------------------------------------------
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void nsFileSpec::operator = (const nsFilePath& inPath)
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//----------------------------------------------------------------------------------------
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{
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nsFileSpecHelpers::StringAssign(mPath, (const char*)inPath);
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nsFileSpecHelpers::UnixToNative(mPath);
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mError = NS_OK;
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} // nsFileSpec::operator =
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//----------------------------------------------------------------------------------------
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nsFilePath::nsFilePath(const nsFileSpec& inSpec)
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//----------------------------------------------------------------------------------------
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: mPath(NULL)
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{
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*this = inSpec;
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} // nsFilePath::nsFilePath
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//----------------------------------------------------------------------------------------
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void nsFilePath::operator = (const nsFileSpec& inSpec)
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//----------------------------------------------------------------------------------------
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{
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nsFileSpecHelpers::StringAssign(mPath, inSpec.mPath);
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nsFileSpecHelpers::NativeToUnix(mPath);
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} // nsFilePath::operator =
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//----------------------------------------------------------------------------------------
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void nsFileSpec::SetLeafName(const char* inLeafName)
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//----------------------------------------------------------------------------------------
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{
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nsFileSpecHelpers::LeafReplace(mPath, '\\', inLeafName);
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} // nsFileSpec::SetLeafName
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//----------------------------------------------------------------------------------------
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char* nsFileSpec::GetLeafName() const
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//----------------------------------------------------------------------------------------
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{
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return nsFileSpecHelpers::GetLeaf(mPath, '\\');
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} // nsFileSpec::GetLeafName
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::Exists() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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return 0 == stat(mPath, &st);
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} // nsFileSpec::Exists
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::IsFile() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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return 0 == stat(mPath, &st) && (_S_IFREG & st.st_mode);
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} // nsFileSpec::IsFile
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//----------------------------------------------------------------------------------------
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PRBool nsFileSpec::IsDirectory() const
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//----------------------------------------------------------------------------------------
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{
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struct stat st;
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return 0 == stat(mPath, &st) && (_S_IFDIR & st.st_mode);
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} // nsFileSpec::IsDirectory
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//----------------------------------------------------------------------------------------
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void nsFileSpec::GetParent(nsFileSpec& outSpec) const
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//----------------------------------------------------------------------------------------
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{
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nsFileSpecHelpers::StringAssign(outSpec.mPath, mPath);
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char* cp = strrchr(outSpec.mPath, '\\');
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if (cp)
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*cp = '\0';
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} // nsFileSpec::GetParent
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//----------------------------------------------------------------------------------------
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void nsFileSpec::operator += (const char* inRelativePath)
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//----------------------------------------------------------------------------------------
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{
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if (!inRelativePath || !mPath)
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return;
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if (mPath[strlen(mPath) - 1] == '\\')
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nsFileSpecHelpers::ReallocCat(mPath, "x");
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else
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nsFileSpecHelpers::ReallocCat(mPath, "\\x");
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SetLeafName(inRelativePath);
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} // nsFileSpec::operator +=
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//----------------------------------------------------------------------------------------
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void nsFileSpec::CreateDirectory(int /*mode*/)
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//----------------------------------------------------------------------------------------
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{
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// Note that mPath is canonical!
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mkdir(mPath);
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} // nsFileSpec::CreateDirectory
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//----------------------------------------------------------------------------------------
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void nsFileSpec::Delete(PRBool inRecursive)
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//----------------------------------------------------------------------------------------
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{
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if (IsDirectory())
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{
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if (inRecursive)
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{
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for (nsDirectoryIterator i(*this); i.Exists(); i++)
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{
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nsFileSpec& child = (nsFileSpec&)i;
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child.Delete(inRecursive);
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}
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}
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rmdir(mPath);
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}
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else
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{
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remove(mPath);
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}
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} // nsFileSpec::Delete
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//----------------------------------------------------------------------------------------
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nsresult nsFileSpec::Rename(const char* inNewName)
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//----------------------------------------------------------------------------------------
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{
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// This function should not be used to move a file on disk.
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if (strchr(inNewName, '/'))
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return NS_FILE_FAILURE;
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if (PR_Rename(*this, inNewName) != NS_OK)
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{
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return NS_FILE_FAILURE;
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}
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SetLeafName(inNewName);
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return NS_OK;
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} // nsFileSpec::Rename
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//----------------------------------------------------------------------------------------
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nsresult nsFileSpec::Copy(const nsFileSpec& inParentDirectory) const
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//----------------------------------------------------------------------------------------
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{
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// We can only copy into a directory, and (for now) can not copy entire directories
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if (inParentDirectory.IsDirectory() && (! IsDirectory() ) )
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{
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char *leafname = GetLeafName();
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char* destPath = nsFileSpecHelpers::StringDup(inParentDirectory, ( strlen(inParentDirectory) + 1 + strlen(leafname) ) );
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strcat(destPath, "\\");
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strcat(destPath, leafname);
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delete [] leafname;
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// CopyFile returns non-zero if succeeds
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int copyOK = CopyFile(*this, destPath, true);
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delete[] destPath;
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if (copyOK)
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{
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return NS_OK;
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}
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}
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return NS_FILE_FAILURE;
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} // nsFileSpec::Copy
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//----------------------------------------------------------------------------------------
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nsresult nsFileSpec::Move(const nsFileSpec& nsNewParentDirectory) const
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//----------------------------------------------------------------------------------------
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{
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// We can only copy into a directory, and (for now) can not copy entire directories
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if (nsNewParentDirectory.IsDirectory() && (! IsDirectory() ) )
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{
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char *leafname = GetLeafName();
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char *destPath = nsFileSpecHelpers::StringDup(nsNewParentDirectory, ( strlen(nsNewParentDirectory) + 1 + strlen(leafname) ));
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strcat(destPath, "\\");
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strcat(destPath, leafname);
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delete [] leafname;
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// MoveFile returns non-zero if succeeds
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int copyOK = MoveFile(*this, destPath);
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delete [] destPath;
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if (copyOK)
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{
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return NS_OK;
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}
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}
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return NS_FILE_FAILURE;
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} // nsFileSpec::Move
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//----------------------------------------------------------------------------------------
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nsresult nsFileSpec::Execute(const char* inArgs ) const
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//----------------------------------------------------------------------------------------
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{
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if (! IsDirectory())
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{
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char* fileNameWithArgs = NULL;
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fileNameWithArgs = nsFileSpecHelpers::StringDup(mPath, ( strlen(mPath) + 1 + strlen(inArgs) ) );
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strcat(fileNameWithArgs, " ");
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strcat(fileNameWithArgs, inArgs);
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int execResult = WinExec( fileNameWithArgs, SW_NORMAL );
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delete [] fileNameWithArgs;
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if (execResult > 31)
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{
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return NS_OK;
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}
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}
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return NS_FILE_FAILURE;
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} // nsFileSpec::Execute
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//========================================================================================
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// nsDirectoryIterator
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//========================================================================================
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//----------------------------------------------------------------------------------------
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nsDirectoryIterator::nsDirectoryIterator(
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const nsFileSpec& inDirectory
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, int inIterateDirection)
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//----------------------------------------------------------------------------------------
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: mCurrent(inDirectory)
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, mDir(nsnull)
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, mExists(false)
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{
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mDir = PR_OpenDir(inDirectory);
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mCurrent += "dummy";
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++(*this);
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} // nsDirectoryIterator::nsDirectoryIterator
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//----------------------------------------------------------------------------------------
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nsDirectoryIterator::~nsDirectoryIterator()
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//----------------------------------------------------------------------------------------
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{
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if (mDir)
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PR_CloseDir(mDir);
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} // nsDirectoryIterator::nsDirectoryIterator
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//----------------------------------------------------------------------------------------
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nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
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//----------------------------------------------------------------------------------------
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{
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mExists = false;
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if (!mDir)
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return *this;
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PRDirEntry* entry = PR_ReadDir(mDir, PR_SKIP_BOTH); // Ignore '.' && '..'
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if (entry)
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{
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mExists = true;
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mCurrent.SetLeafName(entry->name);
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}
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return *this;
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} // nsDirectoryIterator::operator ++
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//----------------------------------------------------------------------------------------
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nsDirectoryIterator& nsDirectoryIterator::operator -- ()
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//----------------------------------------------------------------------------------------
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{
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return ++(*this); // can't do it backwards.
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} // nsDirectoryIterator::operator --
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