external/webkit r30707

1 files changed, 144 insertions, 0 deletions

diff --git a/WebCore/platform/posix/FileSystemPOSIX.cpp b/WebCore/platform/posix/FileSystemPOSIX.cpp
new file mode 100644
index 0000000..84e731d
--- /dev/null
+++ b/WebCore/platform/posix/FileSystemPOSIX.cpp
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "FileSystem.h"
+
+#include "CString.h"
+#include "PlatformString.h"
+
+#include <sys/stat.h>
+#include <unistd.h>
+
+namespace WebCore {
+
+bool fileExists(const String& path)
+{
+    if (path.isNull())
+        return false;
+
+    CString fsRep = fileSystemRepresentation(path);
+
+    if (!fsRep.data() || fsRep.data()[0] == '\0')
+        return false;
+
+    struct stat fileInfo;
+
+    // stat(...) returns 0 on successful stat'ing of the file, and non-zero in any case where the file doesn't exist or cannot be accessed
+    return !stat(fsRep.data(), &fileInfo);
+}
+
+bool deleteFile(const String& path)
+{
+    CString fsRep = fileSystemRepresentation(path);
+
+    if (!fsRep.data() || fsRep.data()[0] == '\0')
+        return false;
+
+    // unlink(...) returns 0 on successful deletion of the path and non-zero in any other case (including invalid permissions or non-existent file)
+    return !unlink(fsRep.data());
+}
+
+bool deleteEmptyDirectory(const String& path)
+{
+    CString fsRep = fileSystemRepresentation(path);
+
+    if (!fsRep.data() || fsRep.data()[0] == '\0')
+        return false;
+
+    // rmdir(...) returns 0 on successful deletion of the path and non-zero in any other case (including invalid permissions or non-existent file)
+    return !rmdir(fsRep.data());
+}
+
+bool getFileSize(const String& path, long long& result)
+{
+    CString fsRep = fileSystemRepresentation(path);
+
+    if (!fsRep.data() || fsRep.data()[0] == '\0')
+        return false;
+
+    struct stat fileInfo;
+
+    if (stat(fsRep.data(), &fileInfo))
+        return false;
+
+    result = fileInfo.st_size;
+    return true;
+}
+
+bool getFileModificationTime(const String& path, time_t& result)
+{
+    CString fsRep = fileSystemRepresentation(path);
+
+    if (!fsRep.data() || fsRep.data()[0] == '\0')
+        return false;
+
+    struct stat fileInfo;
+
+    if (stat(fsRep.data(), &fileInfo))
+        return false;
+
+    result = fileInfo.st_mtime;
+    return true;
+}
+
+String pathByAppendingComponent(const String& path, const String& component)
+{
+    if (path.endsWith("/"))
+        return path + component;
+    else
+        return path + "/" + component;
+}
+
+bool makeAllDirectories(const String& path)
+{
+    CString fullPath = fileSystemRepresentation(path);
+    if (!access(fullPath.data(), F_OK))
+        return true;
+
+    char* p = fullPath.mutableData() + 1;
+    int length = fullPath.length();
+
+    if(p[length - 1] == '/')
+        p[length - 1] = '\0';
+    for (; *p; ++p)
+        if (*p == '/') {
+            *p = '\0';
+            if (access(fullPath.data(), F_OK))
+                if (mkdir(fullPath.data(), S_IRWXU))
+                    return false;
+            *p = '/';
+        }
+    if (access(fullPath.data(), F_OK))
+        if (mkdir(fullPath.data(), S_IRWXU))
+            return false;
+
+    return true;
+}
+
+} // namespace WebCore