/* -*- 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 #include #ifdef XP_MAC #include #include #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; const char* lastSeparator = strrchr(chars, inSeparator); // 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. leafPointer = strrchr(chars, inSeparator); 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_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(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 //======================================================================================== #ifndef XP_MAC //---------------------------------------------------------------------------------------- nsFileSpec::nsFileSpec() //---------------------------------------------------------------------------------------- : mError(NS_OK) // XXX shouldn't this be NS_ERROR_NOT_INITIALIZED? { } //---------------------------------------------------------------------------------------- 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) { } //---------------------------------------------------------------------------------------- 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) { } //---------------------------------------------------------------------------------------- nsFileSpec::nsFileSpec(const char* inString, PRBool inCreateDirs) //---------------------------------------------------------------------------------------- : mPath(inString) , mError(NS_OK) { // Make canonical and absolute. nsFileSpecHelpers::Canonify(mPath, inCreateDirs); } //---------------------------------------------------------------------------------------- nsFileSpec::nsFileSpec(const nsString& inString, PRBool inCreateDirs) //---------------------------------------------------------------------------------------- : mPath(inString) , mError(NS_OK) { // 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. */ #define DIR_STRCMP _stricmp #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; } #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 }