1 files changed, 278 insertions, 0 deletions
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 <dougt@netscape.com>
+ *
+ * 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 <string.h>
+#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<nsIFile> 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<nsIFile> 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<nsILocalFile> targetLocalFile(do_QueryInterface(targetFile));
+    return InitWithFile(targetLocalFile);
+}