From 16f504a9dca3fe3b70568f67b7d41241ae485288 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:49:04 +0200 Subject: Adding upstream version 7.0.6-dfsg. Signed-off-by: Daniel Baumann --- src/libs/xpcom18a4/xpcom/io/nsLocalFileCommon.cpp | 278 ++++++++++++++++++++++ 1 file changed, 278 insertions(+) create mode 100644 src/libs/xpcom18a4/xpcom/io/nsLocalFileCommon.cpp (limited to 'src/libs/xpcom18a4/xpcom/io/nsLocalFileCommon.cpp') diff --git a/src/libs/xpcom18a4/xpcom/io/nsLocalFileCommon.cpp b/src/libs/xpcom18a4/xpcom/io/nsLocalFileCommon.cpp new file mode 100644 index 00000000..664c5304 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/io/nsLocalFileCommon.cpp @@ -0,0 +1,278 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1999 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Doug Turner + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ +#include "nsIServiceManager.h" + +#include "nsLocalFile.h" // includes platform-specific headers +#include "nsLocalFileUnicode.h" + +#include "nsString.h" +#include "nsCOMPtr.h" +#include "nsReadableUtils.h" +#include "nsPrintfCString.h" +#include "nsCRT.h" + +#ifdef XP_WIN +#include +#endif + + +void NS_StartupLocalFile() +{ + nsLocalFile::GlobalInit(); +} + +void NS_ShutdownLocalFile() +{ + nsLocalFile::GlobalShutdown(); +} + +#if (!defined(XP_MAC) && !defined(XP_MACOSX)) || defined(VBOX_MACOSX_FOLLOWS_UNIX_IO) +NS_IMETHODIMP +nsLocalFile::InitWithFile(nsILocalFile *aFile) +{ + NS_ENSURE_ARG(aFile); + + nsCAutoString path; + aFile->GetNativePath(path); + if (path.IsEmpty()) + return NS_ERROR_INVALID_ARG; + return InitWithNativePath(path); +} +#endif + +#if defined(XP_MAC) +#define kMaxFilenameLength 31 +#else +#define kMaxFilenameLength 255 +#endif + +NS_IMETHODIMP +nsLocalFile::CreateUnique(PRUint32 type, PRUint32 attributes) +{ + nsresult rv = Create(type, attributes); + + if (NS_SUCCEEDED(rv)) return NS_OK; + if (rv != NS_ERROR_FILE_ALREADY_EXISTS) return rv; + + nsCAutoString leafName; + rv = GetNativeLeafName(leafName); + + if (NS_FAILED(rv)) return rv; + + const char* lastDot = strrchr(leafName.get(), '.'); + char suffix[kMaxFilenameLength + 1] = ""; + if (lastDot) + { + strncpy(suffix, lastDot, kMaxFilenameLength); // include '.' + suffix[kMaxFilenameLength] = 0; // make sure it's null terminated + leafName.SetLength(lastDot - leafName.get()); // strip suffix and dot. + } + + const int maxRootLength = (kMaxFilenameLength - 4) - strlen(suffix) - 1; + + if ((int)leafName.Length() > (int)maxRootLength) + leafName.SetLength(maxRootLength); + + for (short indx = 1; indx < 10000; indx++) + { + // start with "Picture-1.jpg" after "Picture.jpg" exists + SetNativeLeafName(leafName + + nsPrintfCString("-%d", indx) + + nsDependentCString(suffix)); + + rv = Create(type, attributes); + + if (NS_SUCCEEDED(rv) || rv != NS_ERROR_FILE_ALREADY_EXISTS) + { + return rv; + } + } + + // The disk is full, sort of + return NS_ERROR_FILE_TOO_BIG; +} + +#if defined(XP_MAC) +static const PRUnichar kPathSeparatorChar = ':'; +#elif defined(XP_WIN) || defined(XP_OS2) +static const PRUnichar kPathSeparatorChar = '\\'; +#elif defined(XP_UNIX) || defined(XP_BEOS) +static const PRUnichar kPathSeparatorChar = '/'; +#else +#error Need to define file path separator for your platform +#endif + +#if defined(XP_MAC) +static const char kSlashStr[] = "/"; +static const char kESCSlashStr[] = "%2F"; +#endif + +static PRInt32 SplitPath(PRUnichar *path, PRUnichar **nodeArray, PRInt32 arrayLen) +{ + if (*path == 0) + return 0; + + PRUnichar **nodePtr = nodeArray; + if (*path == kPathSeparatorChar) + path++; + *nodePtr++ = path; + + for (PRUnichar *cp = path; *cp != 0; cp++) { + if (*cp == kPathSeparatorChar) { + *cp++ = 0; + if (*cp == 0) + break; + if (nodePtr - nodeArray >= arrayLen) + return -1; + *nodePtr++ = cp; + } + } + return nodePtr - nodeArray; +} + + +NS_IMETHODIMP +nsLocalFile::GetRelativeDescriptor(nsILocalFile *fromFile, nsACString& _retval) +{ + NS_ENSURE_ARG_POINTER(fromFile); + const PRInt32 kMaxNodesInPath = 32; + + // + // _retval will be UTF-8 encoded + // + + nsresult rv; + _retval.Truncate(0); + + nsAutoString thisPath, fromPath; + PRUnichar *thisNodes[kMaxNodesInPath], *fromNodes[kMaxNodesInPath]; + PRInt32 thisNodeCnt, fromNodeCnt, nodeIndex; + + rv = GetPath(thisPath); + if (NS_FAILED(rv)) + return rv; + rv = fromFile->GetPath(fromPath); + if (NS_FAILED(rv)) + return rv; + + // get raw pointer to mutable string buffer + PRUnichar *thisPathPtr; thisPath.BeginWriting(thisPathPtr); + PRUnichar *fromPathPtr; fromPath.BeginWriting(fromPathPtr); + + thisNodeCnt = SplitPath(thisPathPtr, thisNodes, kMaxNodesInPath); + fromNodeCnt = SplitPath(fromPathPtr, fromNodes, kMaxNodesInPath); + if (thisNodeCnt < 0 || fromNodeCnt < 0) + return NS_ERROR_FAILURE; + + for (nodeIndex = 0; nodeIndex < thisNodeCnt && nodeIndex < fromNodeCnt; ++nodeIndex) { +#ifdef XP_WIN + if (_wcsicmp(thisNodes[nodeIndex], fromNodes[nodeIndex])) + break; +#else + if (nsCRT::strcmp(thisNodes[nodeIndex], fromNodes[nodeIndex])) + break; +#endif + } + + PRInt32 branchIndex = nodeIndex; + for (nodeIndex = branchIndex; nodeIndex < fromNodeCnt; nodeIndex++) + _retval.AppendLiteral("../"); + for (nodeIndex = branchIndex; nodeIndex < thisNodeCnt; nodeIndex++) { + NS_ConvertUCS2toUTF8 nodeStr(thisNodes[nodeIndex]); +#ifdef XP_MAC + nodeStr.ReplaceSubstring(kSlashStr, kESCSlashStr); +#endif + _retval.Append(nodeStr); + if (nodeIndex + 1 < thisNodeCnt) + _retval.Append('/'); + } + + return NS_OK; +} + +NS_IMETHODIMP +nsLocalFile::SetRelativeDescriptor(nsILocalFile *fromFile, const nsACString& relativeDesc) +{ + NS_NAMED_LITERAL_CSTRING(kParentDirStr, "../"); + + nsCOMPtr targetFile; + nsresult rv = fromFile->Clone(getter_AddRefs(targetFile)); + if (NS_FAILED(rv)) + return rv; + + // + // relativeDesc is UTF-8 encoded + // + + nsCString::const_iterator strBegin, strEnd; + relativeDesc.BeginReading(strBegin); + relativeDesc.EndReading(strEnd); + + nsCString::const_iterator nodeBegin(strBegin), nodeEnd(strEnd); + nsCString::const_iterator pos(strBegin); + + nsCOMPtr parentDir; + while (FindInReadable(kParentDirStr, nodeBegin, nodeEnd)) { + rv = targetFile->GetParent(getter_AddRefs(parentDir)); + if (NS_FAILED(rv)) + return rv; + targetFile = parentDir; + + nodeBegin = nodeEnd; + pos = nodeEnd; + nodeEnd = strEnd; + } + + nodeBegin = nodeEnd = pos; + while (nodeEnd != strEnd) { + FindCharInReadable('/', nodeEnd, strEnd); +#ifdef XP_MAC + nsCAutoString nodeString(Substring(nodeBegin, nodeEnd)); + nodeString.ReplaceSubstring(kESCSlashStr, kSlashStr); + targetFile->Append(NS_ConvertUTF8toUCS2(nodeString)); +#else + targetFile->Append(NS_ConvertUTF8toUCS2(Substring(nodeBegin, nodeEnd))); +#endif + if (nodeEnd != strEnd) // If there's more left in the string, inc over the '/' nodeEnd is on. + ++nodeEnd; + nodeBegin = nodeEnd; + } + + nsCOMPtr targetLocalFile(do_QueryInterface(targetFile)); + return InitWithFile(targetLocalFile); +} -- cgit v1.2.3