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Mozilla/mozilla/xpcom/io/nsFileSpec.cpp
dougt%netscape.com bf7163c089 checked in warren's patch to remove circular memory leak in directory service 
removed strcmp'er in favor of atom compares.
added comments to nsFileSpec indicating that it is no longer supported.


git-svn-id: svn://10.0.0.236/trunk@67030 18797224-902f-48f8-a5cc-f745e15eee43
2000-04-25 01:48:02 +00:00

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50 KiB
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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.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsFileSpec.h"
#include "nsDebug.h"
#include "nsEscape.h"
#include "nsIAllocator.h"
#include "prtypes.h"
#include "plstr.h"
#include "plbase64.h"
#include "prmem.h"
#include "nsCOMPtr.h"
#include "nsIServiceManager.h"
#define NS_IMPL_IDS
#include "nsIPlatformCharset.h"
#include "nsICharsetConverterManager.h"
#include "nsIUnicodeDecoder.h"
#include <string.h>
#include <stdio.h>
#ifdef XP_PC
#include <mbstring.h>
#endif
#ifdef XP_MAC
#include <Aliases.h>
#include <TextUtils.h>
#endif
//========================================================================================
// class nsSimpleCharString
//========================================================================================
//----------------------------------------------------------------------------------------
nsSimpleCharString::nsSimpleCharString()
//----------------------------------------------------------------------------------------
: mData(nsnull)
{
} // nsSimpleCharString::nsSimpleCharString
//----------------------------------------------------------------------------------------
nsSimpleCharString::nsSimpleCharString(const char* inString)
//----------------------------------------------------------------------------------------
: mData(nsnull)
{
if (inString)
CopyFrom(inString, nsCRT::strlen(inString));
} // nsSimpleCharString::nsSimpleCharString
//----------------------------------------------------------------------------------------
nsSimpleCharString::nsSimpleCharString(const nsString& inString)
//----------------------------------------------------------------------------------------
: mData(nsnull)
{
*this = inString;
} // nsSimpleCharString::nsSimpleCharString
//----------------------------------------------------------------------------------------
nsSimpleCharString::nsSimpleCharString(const nsSimpleCharString& inOther)
//----------------------------------------------------------------------------------------
{
mData = inOther.mData;
AddRefData();
} // nsSimpleCharString::nsSimpleCharString
//----------------------------------------------------------------------------------------
nsSimpleCharString::nsSimpleCharString(const char* inData, PRUint32 inLength)
//----------------------------------------------------------------------------------------
: mData(nsnull)
{
CopyFrom(inData, inLength);
} // nsSimpleCharString::nsSimpleCharString
//----------------------------------------------------------------------------------------
nsSimpleCharString::~nsSimpleCharString()
//----------------------------------------------------------------------------------------
{
ReleaseData();
} // nsSimpleCharString::nsSimpleCharString
//----------------------------------------------------------------------------------------
void nsSimpleCharString::operator = (const char* inString)
//----------------------------------------------------------------------------------------
{
if (inString)
CopyFrom(inString, nsCRT::strlen(inString));
else
SetToEmpty();
} // nsSimpleCharString::operator =
//----------------------------------------------------------------------------------------
void nsSimpleCharString::operator = (const nsString& inString)
//----------------------------------------------------------------------------------------
{
PRUint32 len = inString.Length();
ReallocData(len);
if (!mData)
return;
inString.ToCString(mData->mString, len + 1);
} // nsSimpleCharString::operator =
//----------------------------------------------------------------------------------------
void nsSimpleCharString::operator = (const nsSimpleCharString& inOther)
//----------------------------------------------------------------------------------------
{
if (mData == inOther.mData)
return;
ReleaseData();
mData = inOther.mData;
AddRefData();
} // nsSimpleCharString::operator =
//----------------------------------------------------------------------------------------
void nsSimpleCharString::operator += (const char* inOther)
//----------------------------------------------------------------------------------------
{
if (!inOther)
return;
int newLength = Length() + nsCRT::strlen(inOther);
ReallocData(newLength);
strcat(mData->mString, inOther);
} // nsSimpleCharString::operator =
//----------------------------------------------------------------------------------------
nsSimpleCharString nsSimpleCharString::operator + (const char* inOther) const
//----------------------------------------------------------------------------------------
{
nsSimpleCharString result(*this);
result += inOther;
return result;
} // nsSimpleCharString::operator =
//----------------------------------------------------------------------------------------
void nsSimpleCharString::Catenate(const char* inString1, const char* inString2)
//----------------------------------------------------------------------------------------
{
if (!inString2)
{
*this += inString1;
return;
}
int newLength = Length() + nsCRT::strlen(inString1) + nsCRT::strlen(inString2);
ReallocData(newLength);
strcat(mData->mString, inString1);
strcat(mData->mString, inString2);
} // nsSimpleCharString::operator =
//----------------------------------------------------------------------------------------
void nsSimpleCharString::CopyFrom(const char* inData, PRUint32 inLength)
//----------------------------------------------------------------------------------------
{
if (!inData)
return;
ReallocData(inLength);
if (!mData)
return;
nsCRT::memcpy(mData->mString, inData, inLength);
mData->mString[inLength] = '\0';
} // nsSimpleCharString::CopyFrom
//----------------------------------------------------------------------------------------
void nsSimpleCharString::SetToEmpty()
//----------------------------------------------------------------------------------------
{
ReleaseData();
} // nsSimpleCharString::SetToEmpty
//----------------------------------------------------------------------------------------
void nsSimpleCharString::Unescape()
//----------------------------------------------------------------------------------------
{
if (!mData)
return;
ReallocData(mData->mLength);
if (!mData)
return;
nsUnescape(mData->mString);
mData->mLength = nsCRT::strlen(mData->mString);
} // nsSimpleCharString::Unescape
//----------------------------------------------------------------------------------------
void nsSimpleCharString::AddRefData()
//----------------------------------------------------------------------------------------
{
if (mData)
++mData->mRefCount;
} // nsSimpleCharString::AddRefData
//----------------------------------------------------------------------------------------
void nsSimpleCharString::ReleaseData()
//----------------------------------------------------------------------------------------
{
if (!mData)
return;
NS_ASSERTION(mData->mRefCount > 0, "String deleted too many times!");
if (--mData->mRefCount == 0)
PR_Free(mData);
mData = nsnull;
} // nsSimpleCharString::ReleaseData
//----------------------------------------------------------------------------------------
inline PRUint32 CalculateAllocLength(PRUint32 logicalLength)
// Round up to the next multiple of 256.
//----------------------------------------------------------------------------------------
{
return ((1 + (logicalLength >> 8)) << 8);
}
//----------------------------------------------------------------------------------------
void nsSimpleCharString::ReallocData(PRUint32 inLength)
// Reallocate mData to a new length. Since this presumably precedes a change to the string,
// we want to detach ourselves if the data is shared by another string, even if the length
// requested would not otherwise require a reallocation.
//----------------------------------------------------------------------------------------
{
PRUint32 newAllocLength = CalculateAllocLength(inLength);
PRUint32 oldAllocLength = CalculateAllocLength(Length());
if (mData)
{
NS_ASSERTION(mData->mRefCount > 0, "String deleted too many times!");
if (mData->mRefCount == 1)
{
// We are the sole owner, so just change its length, if necessary.
if (newAllocLength > oldAllocLength)
mData = (Data*)PR_Realloc(mData, newAllocLength + sizeof(Data));
mData->mLength = inLength;
mData->mString[inLength] = '\0'; // we may be truncating
return;
}
}
PRUint32 copyLength = Length();
if (inLength < copyLength)
copyLength = inLength;
Data* newData = (Data*)PR_Malloc(newAllocLength + sizeof(Data));
// If data was already allocated when we get to here, then we are cloning the data
// from a shared pointer.
if (mData)
{
nsCRT::memcpy(newData, mData, sizeof(Data) + copyLength);
mData->mRefCount--; // Say goodbye
}
else
newData->mString[0] = '\0';
mData = newData;
mData->mRefCount = 1;
mData->mLength = inLength;
} // nsSimpleCharString::ReleaseData
//========================================================================================
NS_NAMESPACE nsFileSpecHelpers
//========================================================================================
{
enum
{ kMaxFilenameLength = 31 // should work on Macintosh, Unix, and Win32.
, kMaxAltDigitLength = 5
, kMaxCoreLeafNameLength = (kMaxFilenameLength - (kMaxAltDigitLength + 1))
};
#ifndef XP_MAC
NS_NAMESPACE_PROTOTYPE void Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs);
NS_NAMESPACE_PROTOTYPE void MakeAllDirectories(const char* inPath, int mode);
#endif
#ifdef XP_PC
NS_NAMESPACE_PROTOTYPE void NativeToUnix(nsSimpleCharString& ioPath);
NS_NAMESPACE_PROTOTYPE void UnixToNative(nsSimpleCharString& ioPath);
#endif
} NS_NAMESPACE_END
//----------------------------------------------------------------------------------------
nsresult ns_file_convert_result(PRInt32 nativeErr)
//----------------------------------------------------------------------------------------
{
return nativeErr ?
NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_FILES,((nativeErr)&0xFFFF))
: NS_OK;
}
//----------------------------------------------------------------------------------------
void nsSimpleCharString::LeafReplace(char inSeparator, const char* inLeafName)
//----------------------------------------------------------------------------------------
{
// Find the existing leaf name
if (IsEmpty())
return;
if (!inLeafName)
{
SetToEmpty();
return;
}
char* chars = mData->mString;
char* lastSeparator = strrchr(chars, inSeparator);
int oldLength = Length();
PRBool trailingSeparator = (lastSeparator + 1 == chars + oldLength);
if (trailingSeparator)
{
char savedCh = *lastSeparator;
char *savedLastSeparator = lastSeparator;
*lastSeparator = '\0';
lastSeparator = strrchr(chars, inSeparator);
*savedLastSeparator = savedCh;
}
if (lastSeparator)
lastSeparator++; // point at the trailing string
else
lastSeparator = chars; // the full monty
PRUint32 savedLastSeparatorOffset = (lastSeparator - chars);
int newLength =
(lastSeparator - chars) + nsCRT::strlen(inLeafName) + (trailingSeparator != 0);
ReallocData(newLength);
chars = mData->mString; // it might have moved.
chars[savedLastSeparatorOffset] = '\0'; // strip the current leaf name
strcat(chars, inLeafName);
if (trailingSeparator)
{
// If the original ended in a slash, then the new one should, too.
char sepStr[2] = "/";
*sepStr = inSeparator;
strcat(chars, sepStr);
}
} // nsSimpleCharString::LeafReplace
//----------------------------------------------------------------------------------------
char* nsSimpleCharString::GetLeaf(char inSeparator) const
// Returns a pointer to an allocated string representing the leaf.
//----------------------------------------------------------------------------------------
{
if (IsEmpty())
return nsnull;
char* chars = mData->mString;
#ifdef XP_PC
const char* lastSeparator = (const char*) _mbsrchr((const unsigned char *) chars, inSeparator);
#else
const char* lastSeparator = strrchr(chars, inSeparator);
#endif
// If there was no separator, then return a copy of our path.
if (!lastSeparator)
return nsCRT::strdup(*this);
// So there's at least one separator. What's just after it?
// If the separator was not the last character, return the trailing string.
const char* leafPointer = lastSeparator + 1;
if (*leafPointer)
return nsCRT::strdup(leafPointer);
// So now, separator was the last character. Poke in a null instead.
*(char*)lastSeparator = '\0'; // Should use const_cast, but Unix has old compiler.
#ifdef XP_PC
leafPointer = (const char*) _mbsrchr((const unsigned char *) chars, inSeparator);
#else
leafPointer = strrchr(chars, inSeparator);
#endif
char* result = leafPointer ? nsCRT::strdup(++leafPointer) : nsCRT::strdup(chars);
// Restore the poked null before returning.
*(char*)lastSeparator = inSeparator;
#ifdef XP_PC
// If it's a drive letter use the colon notation.
if (!leafPointer && result[2] == 0 && result[1] == '|')
result[1] = ':';
#endif
return result;
} // nsSimpleCharString::GetLeaf
#ifdef XP_MAC
#pragma mark -
#endif
#if defined(XP_UNIX) || defined(XP_PC) || defined(XP_BEOS)
//----------------------------------------------------------------------------------------
void nsFileSpecHelpers::MakeAllDirectories(const char* inPath, int mode)
// Make the path a valid one by creating all the intermediate directories. Does NOT
// make the leaf into a directory. This should be a unix path.
//----------------------------------------------------------------------------------------
{
if (!inPath)
return;
char* pathCopy = nsCRT::strdup( inPath );
if (!pathCopy)
return;
const char kSeparator = '/'; // I repeat: this should be a unix-style path.
const int kSkipFirst = 1;
#ifdef XP_PC
// Either this is a relative path, or we ensure that it has
// a drive letter specifier.
NS_ASSERTION( pathCopy[0] != '/' || pathCopy[2] == '|', "No drive letter!" );
#endif
char* currentStart = pathCopy;
char* currentEnd = strchr(currentStart + kSkipFirst, kSeparator);
if (currentEnd)
{
nsFileSpec spec;
*currentEnd = '\0';
#ifdef XP_PC
/*
if we have a drive letter path, we must make sure that the inital path has a '/' on it, or
Canonify will turn "/c|" into a path relative to the running executable.
*/
if (pathCopy[0] == '/' && pathCopy[2] == '|')
{
char* startDir = (char*)PR_Malloc(nsCRT::strlen(pathCopy) + 2);
strcpy(startDir, pathCopy);
strcat(startDir, "/");
spec = nsFilePath(startDir, PR_FALSE);
PR_Free(startDir);
}
else
{
spec = nsFilePath(pathCopy, PR_FALSE);
}
#else
spec = nsFilePath(pathCopy, PR_FALSE);
#endif
do
{
// If the node doesn't exist, and it is not the initial node in a full path,
// then make a directory (We cannot make the initial (volume) node).
if (!spec.Exists() && *currentStart != kSeparator)
spec.CreateDirectory(mode);
currentStart = ++currentEnd;
currentEnd = strchr(currentStart, kSeparator);
if (!currentEnd)
break;
*currentEnd = '\0';
spec += currentStart; // "lengthen" the path, adding the next node.
} while (currentEnd);
}
nsCRT::free(pathCopy);
} // nsFileSpecHelpers::MakeAllDirectories
#endif // XP_PC || XP_UNIX
#ifdef XP_MAC
#pragma mark -
#endif
#if defined(XP_OS2)
#include "nsFileSpecOS2.cpp" // OS/2-specific implementations
#elif defined(XP_PC)
#include "nsFileSpecWin.cpp" // Windows-specific implementations
#elif defined(XP_MAC)
//#include "nsFileSpecMac.cpp" // Macintosh-specific implementations
// we include the .cpp file in the project now.
#elif defined(RHAPSODY)
#include "nsFileSpecMac.cpp" // Macintosh-specific implementations
#include "nsFileSpecUnix.cpp" // Unix-specific implementations
#elif defined(XP_BEOS)
#include "nsFileSpecBeOS.cpp" // BeOS-specific implementations
#elif defined(XP_UNIX)
#include "nsFileSpecUnix.cpp" // Unix-specific implementations
#endif
//========================================================================================
// nsFileURL implementation
//========================================================================================
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFileURL::nsFileURL(const char* inString, PRBool inCreateDirs)
//----------------------------------------------------------------------------------------
{
if (!inString)
return;
NS_ASSERTION(strstr(inString, kFileURLPrefix) == inString, "Not a URL!");
// Make canonical and absolute. Since it's a parameter to this constructor,
// inString is escaped. We want to make an nsFilePath, which requires
// an unescaped string.
nsSimpleCharString unescapedPath(inString + kFileURLPrefixLength);
unescapedPath.Unescape();
nsFilePath path(unescapedPath, inCreateDirs);
*this = path;
} // nsFileURL::nsFileURL
#endif
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFileURL::nsFileURL(const nsString& inString, PRBool inCreateDirs)
//----------------------------------------------------------------------------------------
{
const nsAutoCString aString(inString);
const char* aCString = (const char*) aString;
if (!inString.Length())
return;
NS_ASSERTION(strstr(aCString, kFileURLPrefix) == aCString, "Not a URL!");
// Make canonical and absolute. Since it's a parameter to this constructor,
// inString is escaped. We want to make an nsFilePath, which requires
// an unescaped string.
nsSimpleCharString unescapedPath(aCString + kFileURLPrefixLength);
unescapedPath.Unescape();
nsFilePath path(unescapedPath, inCreateDirs);
*this = path;
} // nsFileURL::nsFileURL
#endif
//----------------------------------------------------------------------------------------
nsFileURL::nsFileURL(const nsFileURL& inOther)
//----------------------------------------------------------------------------------------
: mURL(inOther.mURL)
#ifdef XP_MAC
, mFileSpec(inOther.GetFileSpec())
#endif
{
} // nsFileURL::nsFileURL
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFileURL::nsFileURL(const nsFilePath& inOther)
//----------------------------------------------------------------------------------------
{
*this = inOther;
} // nsFileURL::nsFileURL
#endif
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFileURL::nsFileURL(const nsFileSpec& inOther)
//----------------------------------------------------------------------------------------
{
*this = inOther;
} // nsFileURL::nsFileURL
#endif
//----------------------------------------------------------------------------------------
nsFileURL::~nsFileURL()
//----------------------------------------------------------------------------------------
{
}
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
void nsFileURL::operator = (const char* inString)
//----------------------------------------------------------------------------------------
{
// XXX is this called by nsFileSpecImpl.cpp::SetURLString?
// if so, there's a bug...
mURL = inString;
NS_ASSERTION(strstr(inString, kFileURLPrefix) == inString, "Not a URL!");
} // nsFileURL::operator =
#endif
//----------------------------------------------------------------------------------------
void nsFileURL::operator +=(const char* inRelativeUnixPath)
//----------------------------------------------------------------------------------------
{
char* escapedPath = nsEscape(inRelativeUnixPath, url_Path);
mURL += escapedPath;
nsCRT::free(escapedPath);
#ifdef XP_MAC
mFileSpec += inRelativeUnixPath;
#endif
} // nsFileURL::operator +=
//----------------------------------------------------------------------------------------
nsFileURL nsFileURL::operator +(const char* inRelativeUnixPath) const
//----------------------------------------------------------------------------------------
{
nsFileURL result(*this);
result += inRelativeUnixPath;
return result;
} // nsFileURL::operator +
//----------------------------------------------------------------------------------------
void nsFileURL::operator = (const nsFileURL& inOther)
//----------------------------------------------------------------------------------------
{
mURL = inOther.mURL;
#ifdef XP_MAC
mFileSpec = inOther.GetFileSpec();
#endif
} // nsFileURL::operator =
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
void nsFileURL::operator = (const nsFilePath& inOther)
//----------------------------------------------------------------------------------------
{
mURL = kFileURLPrefix;
char* original = (char*)(const char*)inOther; // we shall modify, but restore.
if (!original || !*original) return;
#ifdef XP_PC
// because we don't want to escape the '|' character, change it to a letter.
NS_ASSERTION(original[2] == '|', "No drive letter part!");
original[2] = 'x';
char* escapedPath = nsEscape(original, url_Path);
original[2] = '|'; // restore it
escapedPath[2] = '|';
#else
char* escapedPath = nsEscape(original, url_Path);
#endif
if (escapedPath)
mURL += escapedPath;
nsCRT::free(escapedPath);
} // nsFileURL::operator =
#endif
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
void nsFileURL::operator = (const nsFileSpec& inOther)
//----------------------------------------------------------------------------------------
{
*this = nsFilePath(inOther);
if (mURL[mURL.Length() - 1] != '/' && inOther.IsDirectory())
mURL += "/";
} // nsFileURL::operator =
#endif
#ifdef XP_MAC
#pragma mark -
#endif
//========================================================================================
// nsFilePath implementation
//========================================================================================
//----------------------------------------------------------------------------------------
nsFilePath::nsFilePath(const nsFilePath& inPath)
//----------------------------------------------------------------------------------------
: mPath(inPath.mPath)
#ifdef XP_MAC
, mFileSpec(inPath.mFileSpec)
#endif
{
}
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFilePath::nsFilePath(const char* inString, PRBool inCreateDirs)
//----------------------------------------------------------------------------------------
: mPath(inString)
{
if (mPath.IsEmpty())
return;
NS_ASSERTION(strstr(inString, kFileURLPrefix) != inString, "URL passed as path");
#ifdef XP_PC
nsFileSpecHelpers::UnixToNative(mPath);
#endif
// Make canonical and absolute.
nsFileSpecHelpers::Canonify(mPath, inCreateDirs);
#ifdef XP_PC
NS_ASSERTION( mPath[1] == ':', "unexpected canonical path" );
nsFileSpecHelpers::NativeToUnix(mPath);
#endif
}
#endif
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFilePath::nsFilePath(const nsString& inString, PRBool inCreateDirs)
//----------------------------------------------------------------------------------------
: mPath(inString)
{
if (mPath.IsEmpty())
return;
NS_ASSERTION(strstr((const char*)mPath, kFileURLPrefix) != (const char*)mPath, "URL passed as path");
#ifdef XP_PC
nsFileSpecHelpers::UnixToNative(mPath);
#endif
// Make canonical and absolute.
nsFileSpecHelpers::Canonify(mPath, inCreateDirs);
#ifdef XP_PC
NS_ASSERTION( mPath[1] == ':', "unexpected canonical path" );
nsFileSpecHelpers::NativeToUnix(mPath);
#endif
}
#endif
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFilePath::nsFilePath(const nsFileURL& inOther)
//----------------------------------------------------------------------------------------
{
mPath = (const char*)inOther.mURL + kFileURLPrefixLength;
mPath.Unescape();
}
#endif
#if defined XP_UNIX || defined XP_BEOS
//----------------------------------------------------------------------------------------
nsFilePath::nsFilePath(const nsFileSpec& inOther)
//----------------------------------------------------------------------------------------
: mPath(inOther.mPath)
{
}
#endif // XP_UNIX
//----------------------------------------------------------------------------------------
nsFilePath::~nsFilePath()
//----------------------------------------------------------------------------------------
{
}
#if defined XP_UNIX || defined XP_BEOS
//----------------------------------------------------------------------------------------
void nsFilePath::operator = (const nsFileSpec& inOther)
//----------------------------------------------------------------------------------------
{
// XXX bug here, again if.
mPath = inOther.mPath;
}
#endif // XP_UNIX
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
void nsFilePath::operator = (const char* inString)
//----------------------------------------------------------------------------------------
{
NS_ASSERTION(strstr(inString, kFileURLPrefix) != inString, "URL passed as path");
mPath = inString;
if (mPath.IsEmpty())
return;
#ifdef XP_PC
nsFileSpecHelpers::UnixToNative(mPath);
#endif
// Make canonical and absolute.
nsFileSpecHelpers::Canonify(mPath, PR_FALSE /* XXX? */);
#ifdef XP_PC
nsFileSpecHelpers::NativeToUnix(mPath);
#endif
}
#endif // XP_MAC
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
void nsFilePath::operator = (const nsFileURL& inOther)
//----------------------------------------------------------------------------------------
{
mPath = (const char*)nsFilePath(inOther);
}
#endif
//----------------------------------------------------------------------------------------
void nsFilePath::operator = (const nsFilePath& inOther)
//----------------------------------------------------------------------------------------
{
mPath = inOther.mPath;
#ifdef XP_MAC
mFileSpec = inOther.GetFileSpec();
#endif
}
//----------------------------------------------------------------------------------------
void nsFilePath::operator +=(const char* inRelativeUnixPath)
//----------------------------------------------------------------------------------------
{
NS_ASSERTION(inRelativeUnixPath, "Attempt append relative path with null path");
char* escapedPath = nsEscape(inRelativeUnixPath, url_Path);
mPath += escapedPath;
nsCRT::free(escapedPath);
#ifdef XP_MAC
mFileSpec += inRelativeUnixPath;
#endif
} // nsFilePath::operator +=
//----------------------------------------------------------------------------------------
nsFilePath nsFilePath::operator +(const char* inRelativeUnixPath) const
//----------------------------------------------------------------------------------------
{
NS_ASSERTION(inRelativeUnixPath, "Attempt append relative path with null path");
nsFilePath resultPath(*this);
resultPath += inRelativeUnixPath;
return resultPath;
} // nsFilePath::operator +
#ifdef XP_MAC
#pragma mark -
#endif
//========================================================================================
// nsFileSpec implementation
//========================================================================================
static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec()
//----------------------------------------------------------------------------------------
: mError(NS_OK) // XXX shouldn't this be NS_ERROR_NOT_INITIALIZED?
{
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
}
//----------------------------------------------------------------------------------------
void nsFileSpec::Clear()
//----------------------------------------------------------------------------------------
{
mPath.SetToEmpty();
mError = NS_ERROR_NOT_INITIALIZED;
}
#endif
//----------------------------------------------------------------------------------------
nsFileSpec::~nsFileSpec()
//----------------------------------------------------------------------------------------
{
// mPath cleans itself up
}
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const nsPersistentFileDescriptor& inDescriptor)
//----------------------------------------------------------------------------------------
{
*this = inDescriptor;
}
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const nsFileURL& inURL)
//----------------------------------------------------------------------------------------
{
*this = nsFilePath(inURL); // convert to unix path first
}
//----------------------------------------------------------------------------------------
void nsFileSpec::MakeUnique(const char* inSuggestedLeafName)
//----------------------------------------------------------------------------------------
{
if (inSuggestedLeafName && *inSuggestedLeafName)
SetLeafName(inSuggestedLeafName);
MakeUnique();
} // nsFileSpec::MakeUnique
//----------------------------------------------------------------------------------------
void nsFileSpec::MakeUnique()
//----------------------------------------------------------------------------------------
{
if (!Exists())
return;
char* leafName = GetLeafName();
if (!leafName)
return;
char* lastDot = strrchr(leafName, '.');
char* suffix = "";
if (lastDot)
{
suffix = nsCRT::strdup(lastDot); // include '.'
*lastDot = '\0'; // strip suffix and dot.
}
const int kMaxRootLength
= nsFileSpecHelpers::kMaxCoreLeafNameLength - nsCRT::strlen(suffix) - 1;
if ((int)nsCRT::strlen(leafName) > (int)kMaxRootLength)
leafName[kMaxRootLength] = '\0';
for (short indx = 1; indx < 1000 && Exists(); indx++)
{
// start with "Picture-1.jpg" after "Picture.jpg" exists
char newName[nsFileSpecHelpers::kMaxFilenameLength + 1];
sprintf(newName, "%s-%d%s", leafName, indx, suffix);
SetLeafName(newName);
}
if (*suffix)
nsCRT::free(suffix);
nsCRT::free(leafName);
} // nsFileSpec::MakeUnique
//----------------------------------------------------------------------------------------
void nsFileSpec::operator = (const nsFileURL& inURL)
//----------------------------------------------------------------------------------------
{
*this = nsFilePath(inURL); // convert to unix path first
}
//----------------------------------------------------------------------------------------
void nsFileSpec::operator = (const nsPersistentFileDescriptor& inDescriptor)
//----------------------------------------------------------------------------------------
{
nsSimpleCharString data;
PRInt32 dataSize;
inDescriptor.GetData(data, dataSize);
#ifdef XP_MAC
char* decodedData = PL_Base64Decode((const char*)data, (int)dataSize, nsnull);
// Cast to an alias record and resolve.
AliasHandle aliasH = nsnull;
mError = NS_FILE_RESULT(PtrToHand(decodedData, &(Handle)aliasH, (dataSize * 3) / 4));
PR_Free(decodedData);
if (NS_FAILED(mError))
return; // not enough memory?
Boolean changed;
mError = NS_FILE_RESULT(::ResolveAlias(nsnull, aliasH, &mSpec, &changed));
DisposeHandle((Handle) aliasH);
mPath.SetToEmpty();
#else
mPath = data;
mError = NS_OK;
#endif
}
//========================================================================================
// UNIX & WIN nsFileSpec implementation
//========================================================================================
#if defined XP_UNIX || defined XP_BEOS
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const nsFilePath& inPath)
//----------------------------------------------------------------------------------------
: mPath((const char*)inPath)
, mError(NS_OK)
{
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
}
//----------------------------------------------------------------------------------------
void nsFileSpec::operator = (const nsFilePath& inPath)
//----------------------------------------------------------------------------------------
{
mPath = (const char*)inPath;
mError = NS_OK;
}
#endif //XP_UNIX
#if defined(XP_UNIX) || defined(XP_PC) || defined(XP_BEOS)
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
: mPath(inSpec.mPath)
, mError(NS_OK)
{
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
}
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const char* inString, PRBool inCreateDirs)
//----------------------------------------------------------------------------------------
: mPath(inString)
, mError(NS_OK)
{
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
// Make canonical and absolute.
nsFileSpecHelpers::Canonify(mPath, inCreateDirs);
}
//----------------------------------------------------------------------------------------
nsFileSpec::nsFileSpec(const nsString& inString, PRBool inCreateDirs)
//----------------------------------------------------------------------------------------
: mPath(inString)
, mError(NS_OK)
{
// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
// Make canonical and absolute.
nsFileSpecHelpers::Canonify(mPath, inCreateDirs);
}
//----------------------------------------------------------------------------------------
void nsFileSpec::operator = (const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
{
mPath = inSpec.mPath;
mError = inSpec.Error();
}
//----------------------------------------------------------------------------------------
void nsFileSpec::operator = (const char* inString)
//----------------------------------------------------------------------------------------
{
mPath = inString;
// Make canonical and absolute.
nsFileSpecHelpers::Canonify(mPath, PR_FALSE /* XXX? */);
mError = NS_OK;
}
#endif //XP_UNIX,PC,XP_BEOS
//----------------------------------------------------------------------------------------
nsFileSpec nsFileSpec::operator + (const char* inRelativePath) const
//----------------------------------------------------------------------------------------
{
NS_ASSERTION(inRelativePath, "Attempt to append name with a null string");
nsFileSpec resultSpec = *this;
resultSpec += inRelativePath;
return resultSpec;
} // nsFileSpec::operator +
//----------------------------------------------------------------------------------------
PRBool nsFileSpec::operator == (const nsFileSpec& inOther) const
//----------------------------------------------------------------------------------------
{
#ifdef XP_MAC
if ( inOther.mSpec.vRefNum == mSpec.vRefNum &&
inOther.mSpec.parID == mSpec.parID &&
EqualString(inOther.mSpec.name, mSpec.name, false, true))
return PR_TRUE;
#else
PRBool amEmpty = mPath.IsEmpty();
PRBool heEmpty = inOther.mPath.IsEmpty();
if (amEmpty) // we're the same if he's empty...
return heEmpty;
if (heEmpty) // ('cuz I'm not...)
return PR_FALSE;
nsSimpleCharString str = mPath;
nsSimpleCharString inStr = inOther.mPath;
// Length() is size of buffer, not length of string
PRUint32 strLast = str.Length() - 1, inLast = inStr.Length() - 1;
#if defined(XP_PC)
#define DIR_SEPARATOR '\\' // XXX doesn't NSPR have this?
/* windows does not care about case. */
#ifdef XP_OS2
#define DIR_STRCMP strcmp
#else
#define DIR_STRCMP _stricmp
#endif
#else
#define DIR_SEPARATOR '/'
#if defined(VMS)
#define DIR_STRCMP strcasecmp
#else
#define DIR_STRCMP strcmp
#endif
#endif
if(str[strLast] == DIR_SEPARATOR)
str[strLast] = '\0';
if(inStr[inLast] == DIR_SEPARATOR)
inStr[inLast] = '\0';
if (DIR_STRCMP(str, inStr ) == 0)
return PR_TRUE;
#undef DIR_SEPARATOR
#undef DIR_STRCMP
#endif
return PR_FALSE;
}
//----------------------------------------------------------------------------------------
PRBool nsFileSpec::operator != (const nsFileSpec& inOther) const
//----------------------------------------------------------------------------------------
{
return (! (*this == inOther) );
}
#ifndef XP_MAC
//----------------------------------------------------------------------------------------
// This is the only automatic conversion to const char*
// that is provided, and it allows the
// path to be "passed" to NSPR file routines. This practice
// is VERY EVIL and should only be used to support legacy
// code. Using it guarantees bugs on Macintosh. The path is NOT allocated, so do
// not even think of deleting (or freeing) it.
const char* nsFileSpec::GetCString() const
//----------------------------------------------------------------------------------------
{
return mPath;
}
#endif
//----------------------------------------------------------------------------------------
// Is our spec a child of the provided parent?
PRBool nsFileSpec::IsChildOf(nsFileSpec &possibleParent)
//----------------------------------------------------------------------------------------
{
nsFileSpec iter = *this, parent;
#ifdef DEBUG
int depth = 0;
#endif
while (1) {
#ifdef DEBUG
// sanity
NS_ASSERTION(depth < 100, "IsChildOf has lost its little mind");
if (depth > 100)
return PR_FALSE;
#endif
if (iter == possibleParent)
return PR_TRUE;
iter.GetParent(parent); // shouldn't this be an error on parent?
if (iter.Failed())
return PR_FALSE;
if (iter == parent) // hit bottom
return PR_FALSE;
iter = parent;
#ifdef DEBUG
depth++;
#endif
}
// not reached, but I bet some compiler will whine
return PR_FALSE;
}
//----------------------------------------------------------------------------------------
void nsFileSpec::GetFileSystemCharset(nsString & fileSystemCharset)
//----------------------------------------------------------------------------------------
{
// From mozilla/widget/src/windows/nsFileWidget.cpp
static nsAutoString aCharset;
nsresult rv;
if (aCharset.Length() < 1) {
nsCOMPtr <nsIPlatformCharset> platformCharset = do_GetService(NS_PLATFORMCHARSET_PROGID, &rv);
if (NS_SUCCEEDED(rv))
rv = platformCharset->GetCharset(kPlatformCharsetSel_FileName, aCharset);
NS_ASSERTION(NS_SUCCEEDED(rv), "error getting platform charset");
if (NS_FAILED(rv))
aCharset.AssignWithConversion("ISO-8859-1");
}
fileSystemCharset = aCharset;
}
//----------------------------------------------------------------------------------------
PRUnichar * nsFileSpec::ConvertFromFileSystemCharset(const char *inString)
//----------------------------------------------------------------------------------------
{
// From mozilla/widget/src/windows/nsFileWidget.cpp
nsIUnicodeDecoder *aUnicodeDecoder = nsnull;
PRUnichar *outString = nsnull;
nsresult rv = NS_OK;
// get file system charset and create a unicode encoder
nsAutoString fileSystemCharset;
GetFileSystemCharset(fileSystemCharset);
NS_WITH_SERVICE(nsICharsetConverterManager, ccm, kCharsetConverterManagerCID, &rv);
if (NS_SUCCEEDED(rv)) {
rv = ccm->GetUnicodeDecoder(&fileSystemCharset, &aUnicodeDecoder);
}
// converts from the file system charset to unicode
if (NS_SUCCEEDED(rv)) {
PRInt32 inLength = nsCRT::strlen(inString);
PRInt32 outLength;
rv = aUnicodeDecoder->GetMaxLength(inString, inLength, &outLength);
if (NS_SUCCEEDED(rv)) {
outString = new PRUnichar[outLength+1];
if (nsnull == outString) {
return nsnull;
}
rv = aUnicodeDecoder->Convert(inString, &inLength, outString, &outLength);
if (NS_SUCCEEDED(rv)) {
outString[outLength] = 0;
}
}
}
NS_IF_RELEASE(aUnicodeDecoder);
return NS_SUCCEEDED(rv) ? outString : nsnull;
}
//----------------------------------------------------------------------------------------
void nsFileSpec::GetNativePathString(nsString &nativePathString)
//----------------------------------------------------------------------------------------
{
const char *path = GetCString();
if (nsnull == path) {
nativePathString.SetLength(0);
return;
}
else {
PRUnichar *converted = ConvertFromFileSystemCharset(path);
if (nsnull != converted) {
nativePathString.Assign(converted);
delete [] converted;
}
else
nativePathString.AssignWithConversion(path);
}
}
//----------------------------------------------------------------------------------------
void nsFileSpec::GetLeafName(nsString &nativePathString)
//----------------------------------------------------------------------------------------
{
char * path = GetLeafName();
if (nsnull == path) {
nativePathString.SetLength(0);
return;
} else {
PRUnichar *converted = ConvertFromFileSystemCharset(path);
if (nsnull != converted) {
nativePathString.Assign(converted);
delete [] converted;
}
else
nativePathString.AssignWithConversion(path);
nsCRT::free(path);
}
}
#ifdef XP_MAC
#pragma mark -
#endif
//========================================================================================
// class nsPersistentFileDescriptor
//========================================================================================
//----------------------------------------------------------------------------------------
nsPersistentFileDescriptor::nsPersistentFileDescriptor(const nsPersistentFileDescriptor& inDesc)
//----------------------------------------------------------------------------------------
: mDescriptorString(inDesc.mDescriptorString)
{
} // nsPersistentFileDescriptor::nsPersistentFileDescriptor
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::operator = (const nsPersistentFileDescriptor& inDesc)
//----------------------------------------------------------------------------------------
{
mDescriptorString = inDesc.mDescriptorString;
} // nsPersistentFileDescriptor::operator =
//----------------------------------------------------------------------------------------
nsPersistentFileDescriptor::nsPersistentFileDescriptor(const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
{
*this = inSpec;
} // nsPersistentFileDescriptor::nsPersistentFileDescriptor
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::operator = (const nsFileSpec& inSpec)
//----------------------------------------------------------------------------------------
{
#ifdef XP_MAC
if (inSpec.Error())
return;
AliasHandle aliasH;
OSErr err = NewAlias(nil, inSpec.GetFSSpecPtr(), &aliasH);
if (err != noErr)
return;
PRUint32 bytes = GetHandleSize((Handle) aliasH);
HLock((Handle) aliasH);
char* buf = PL_Base64Encode((const char*)*aliasH, bytes, nsnull);
DisposeHandle((Handle) aliasH);
mDescriptorString = buf;
PR_Free(buf);
#else
mDescriptorString = inSpec.GetCString();
#endif // XP_MAC
} // nsPersistentFileDescriptor::operator =
//----------------------------------------------------------------------------------------
nsPersistentFileDescriptor::~nsPersistentFileDescriptor()
//----------------------------------------------------------------------------------------
{
} // nsPersistentFileDescriptor::~nsPersistentFileDescriptor
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::GetData(nsSimpleCharString& outData) const
//----------------------------------------------------------------------------------------
{
outData = mDescriptorString;
}
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::SetData(const nsSimpleCharString& inData)
//----------------------------------------------------------------------------------------
{
SetData(inData, inData.Length());
}
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::GetData(nsSimpleCharString& outData, PRInt32& outSize) const
//----------------------------------------------------------------------------------------
{
outSize = mDescriptorString.Length();
outData = mDescriptorString;
}
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::SetData(const nsSimpleCharString& inData, PRInt32 inSize)
//----------------------------------------------------------------------------------------
{
mDescriptorString.CopyFrom((const char*)inData, inSize);
}
//----------------------------------------------------------------------------------------
void nsPersistentFileDescriptor::SetData(const char* inData, PRInt32 inSize)
//----------------------------------------------------------------------------------------
{
mDescriptorString.CopyFrom(inData, inSize);
}
//========================================================================================
// class nsAutoCString
//========================================================================================
//----------------------------------------------------------------------------------------
nsAutoCString::~nsAutoCString()
//----------------------------------------------------------------------------------------
{
nsAllocator::Free(NS_REINTERPRET_CAST(void*, NS_CONST_CAST(char*, mCString)));
}
//========================================================================================
// class nsNSPRPath
//========================================================================================
//----------------------------------------------------------------------------------------
nsNSPRPath::operator const char*() const
// NSPR expects a UNIX path on unix and Macintosh, but a native path on windows. NSPR
// cannot be changed, so we have to do the dirty work.
//----------------------------------------------------------------------------------------
{
#ifdef XP_PC
if (!modifiedNSPRPath)
{
// If this is the first call, initialize modifiedNSPRPath. Start by cloning
// mFilePath, but strip the leading separator, if present
const char* unixPath = (const char*)mFilePath;
if (!unixPath)
return nsnull;
((nsNSPRPath*)this)->modifiedNSPRPath
= nsCRT::strdup(*unixPath == '/' ? unixPath + 1: unixPath);
// Replace the bar
if (modifiedNSPRPath[1] == '|')
modifiedNSPRPath[1] = ':';
// Remove the ending separator only if it is not the last separator
int len = nsCRT::strlen(modifiedNSPRPath);
if (modifiedNSPRPath[len - 1 ] == '/' && modifiedNSPRPath[len - 2 ] != ':')
modifiedNSPRPath[len - 1 ] = '\0';
}
return modifiedNSPRPath;
#else
return (const char*)mFilePath;
#endif
}
//----------------------------------------------------------------------------------------
nsNSPRPath::~nsNSPRPath()
//----------------------------------------------------------------------------------------
{
#ifdef XP_PC
if (modifiedNSPRPath)
nsCRT::free(modifiedNSPRPath);
#endif
}
nsresult
NS_FileSpecToIFile(nsFileSpec* fileSpec, nsILocalFile* *result)
{
nsresult rv;
nsCOMPtr<nsILocalFile> file(do_CreateInstance(NS_LOCAL_FILE_PROGID));
if (!file) return NS_ERROR_FAILURE;
#if defined(XP_MAC) || defined(RHAPSODY)
{
FSSpec spec = fileSpec->GetFSSpec();
nsCOMPtr<nsILocalFileMac> psmAppMacFile = do_QueryInterface(file, &rv);
if (NS_FAILED(rv)) return rv;
rv = psmAppMacFile->InitWithFSSpec(&spec);
if (NS_FAILED(rv)) return rv;
file = do_QueryInterface(psmAppMacFile, &rv);
}
#else
rv = file->InitWithPath(fileSpec->GetNativePathCString());
#endif
if (NS_FAILED(rv)) return rv;
*result = file;
NS_ADDREF(*result);
return NS_OK;
}
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