1 files changed, 305 insertions, 0 deletions
diff --git a/Source/WebCore/platform/gtk/FileSystemGtk.cpp b/Source/WebCore/platform/gtk/FileSystemGtk.cpp
new file mode 100644
index 0000000..b8aa102
--- /dev/null
+++ b/Source/WebCore/platform/gtk/FileSystemGtk.cpp
@@ -0,0 +1,305 @@
+/*
+ * Copyright (C) 2007, 2009 Holger Hans Peter Freyther
+ * Copyright (C) 2008 Collabora, Ltd.
+ * Copyright (C) 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "FileSystem.h"
+
+#include "GOwnPtr.h"
+#include "PlatformString.h"
+#include "UUID.h"
+#include <gio/gio.h>
+#include <glib.h>
+#include <glib/gstdio.h>
+#include <wtf/gobject/GRefPtr.h>
+#include <wtf/text/CString.h>
+
+namespace WebCore {
+
+/* On linux file names are just raw bytes, so also strings that cannot be encoded in any way
+ * are valid file names. This mean that we cannot just store a file name as-is in a String
+ * but we have to escape it.
+ * On Windows the GLib file name encoding is always UTF-8 so we can optimize this case. */
+String filenameToString(const char* filename)
+{
+    if (!filename)
+        return String();
+
+#if OS(WINDOWS)
+    return String::fromUTF8(filename);
+#else
+    gchar* escapedString = g_uri_escape_string(filename, "/:", false);
+    String string(escapedString);
+    g_free(escapedString);
+    return string;
+#endif
+}
+
+CString fileSystemRepresentation(const String& path)
+{
+#if OS(WINDOWS)
+    return path.utf8();
+#else
+    char* filename = g_uri_unescape_string(path.utf8().data(), 0);
+    CString cfilename(filename);
+    g_free(filename);
+    return cfilename;
+#endif
+}
+
+// Converts a string to something suitable to be displayed to the user.
+String filenameForDisplay(const String& string)
+{
+#if OS(WINDOWS)
+    return string;
+#else
+    CString filename = fileSystemRepresentation(string);
+    gchar* display = g_filename_to_utf8(filename.data(), 0, 0, 0, 0);
+    if (!display)
+        return string;
+
+    String displayString = String::fromUTF8(display);
+    g_free(display);
+
+    return displayString;
+#endif
+}
+
+bool fileExists(const String& path)
+{
+    bool result = false;
+    CString filename = fileSystemRepresentation(path);
+
+    if (!filename.isNull())
+        result = g_file_test(filename.data(), G_FILE_TEST_EXISTS);
+
+    return result;
+}
+
+bool deleteFile(const String& path)
+{
+    bool result = false;
+    CString filename = fileSystemRepresentation(path);
+
+    if (!filename.isNull())
+        result = g_remove(filename.data()) == 0;
+
+    return result;
+}
+
+bool deleteEmptyDirectory(const String& path)
+{
+    bool result = false;
+    CString filename = fileSystemRepresentation(path);
+
+    if (!filename.isNull())
+        result = g_rmdir(filename.data()) == 0;
+
+    return result;
+}
+
+bool getFileSize(const String& path, long long& resultSize)
+{
+    CString filename = fileSystemRepresentation(path);
+    if (filename.isNull())
+        return false;
+
+    struct stat statResult;
+    gint result = g_stat(filename.data(), &statResult);
+    if (result != 0)
+        return false;
+
+    resultSize = statResult.st_size;
+    return true;
+}
+
+bool getFileModificationTime(const String& path, time_t& modifiedTime)
+{
+    CString filename = fileSystemRepresentation(path);
+    if (filename.isNull())
+        return false;
+
+    struct stat statResult;
+    gint result = g_stat(filename.data(), &statResult);
+    if (result != 0)
+        return false;
+
+    modifiedTime = statResult.st_mtime;
+    return true;
+
+}
+
+String pathByAppendingComponent(const String& path, const String& component)
+{
+    if (path.endsWith(G_DIR_SEPARATOR_S))
+        return path + component;
+    else
+        return path + G_DIR_SEPARATOR_S + component;
+}
+
+bool makeAllDirectories(const String& path)
+{
+    CString filename = fileSystemRepresentation(path);
+    if (filename.isNull())
+        return false;
+
+    gint result = g_mkdir_with_parents(filename.data(), S_IRWXU);
+
+    return result == 0;
+}
+
+String homeDirectoryPath()
+{
+    return filenameToString(g_get_home_dir());
+}
+
+String pathGetFileName(const String& pathName)
+{
+    if (pathName.isEmpty())
+        return pathName;
+
+    CString tmpFilename = fileSystemRepresentation(pathName);
+    char* baseName = g_path_get_basename(tmpFilename.data());
+    String fileName = String::fromUTF8(baseName);
+    g_free(baseName);
+
+    return fileName;
+}
+
+String directoryName(const String& path)
+{
+    /* No null checking needed */
+    GOwnPtr<char> dirname(g_path_get_dirname(fileSystemRepresentation(path).data()));
+    return String::fromUTF8(dirname.get());
+}
+
+Vector<String> listDirectory(const String& path, const String& filter)
+{
+    Vector<String> entries;
+
+    CString filename = fileSystemRepresentation(path);
+    GDir* dir = g_dir_open(filename.data(), 0, 0);
+    if (!dir)
+        return entries;
+
+    GPatternSpec *pspec = g_pattern_spec_new((filter.utf8()).data());
+    while (const char* name = g_dir_read_name(dir)) {
+        if (!g_pattern_match_string(pspec, name))
+            continue;
+
+        GOwnPtr<gchar> entry(g_build_filename(filename.data(), name, NULL));
+        entries.append(filenameToString(entry.get()));
+    }
+    g_pattern_spec_free(pspec);
+    g_dir_close(dir);
+
+    return entries;
+}
+
+CString openTemporaryFile(const char* prefix, PlatformFileHandle& handle)
+{
+    GOwnPtr<gchar> filename(g_strdup_printf("%s%s", prefix, createCanonicalUUIDString().utf8().data()));
+    GOwnPtr<gchar> tempPath(g_build_filename(g_get_tmp_dir(), filename.get(), NULL));
+    GRefPtr<GFile> file = adoptGRef(g_file_new_for_path(tempPath.get()));
+
+    handle = g_file_create_readwrite(file.get(), G_FILE_CREATE_NONE, 0, 0);
+    if (!isHandleValid(handle))
+        return CString();
+    return tempPath.get();
+}
+
+PlatformFileHandle openFile(const String& path, FileOpenMode mode)
+{
+    CString fsRep = fileSystemRepresentation(path);
+    if (fsRep.isNull())
+        return invalidPlatformFileHandle;
+
+    GRefPtr<GFile> file = adoptGRef(g_file_new_for_path(fsRep.data()));
+    GFileIOStream* ioStream = 0;
+    if (mode == OpenForRead)
+        ioStream = g_file_open_readwrite(file.get(), 0, 0);
+    else if (mode == OpenForWrite) {
+        if (g_file_test(fsRep.data(), static_cast<GFileTest>(G_FILE_TEST_EXISTS | G_FILE_TEST_IS_REGULAR)))
+            ioStream = g_file_open_readwrite(file.get(), 0, 0);
+        else
+            ioStream = g_file_create_readwrite(file.get(), G_FILE_CREATE_NONE, 0, 0);
+    }
+
+    return ioStream;
+}
+
+void closeFile(PlatformFileHandle& handle)
+{
+    if (!isHandleValid(handle))
+        return;
+
+    g_io_stream_close(G_IO_STREAM(handle), 0, 0);
+    g_object_unref(handle);
+    handle = invalidPlatformFileHandle;
+}
+
+long long seekFile(PlatformFileHandle handle, long long offset, FileSeekOrigin origin)
+{
+    GSeekType seekType = G_SEEK_SET;
+    switch (origin) {
+    case SeekFromBeginning:
+        seekType = G_SEEK_SET;
+        break;
+    case SeekFromCurrent:
+        seekType = G_SEEK_CUR;
+        break;
+    case SeekFromEnd:
+        seekType = G_SEEK_END;
+        break;
+    default:
+        ASSERT_NOT_REACHED();
+    }
+
+    if (!g_seekable_seek(G_SEEKABLE(g_io_stream_get_input_stream(G_IO_STREAM(handle))),
+                         offset, seekType, 0, 0))
+        return -1;
+    return g_seekable_tell(G_SEEKABLE(g_io_stream_get_input_stream(G_IO_STREAM(handle))));
+}
+
+int writeToFile(PlatformFileHandle handle, const char* data, int length)
+{
+    gsize bytesWritten;
+    g_output_stream_write_all(g_io_stream_get_output_stream(G_IO_STREAM(handle)),
+                              data, length, &bytesWritten, 0, 0);
+    return bytesWritten;
+}
+
+int readFromFile(PlatformFileHandle handle, char* data, int length)
+{
+    GOwnPtr<GError> error;
+    do {
+        gssize bytesRead = g_input_stream_read(g_io_stream_get_input_stream(G_IO_STREAM(handle)),
+                                               data, length, 0, &error.outPtr());
+        if (bytesRead >= 0)
+            return bytesRead;
+    } while (error && error->code == G_FILE_ERROR_INTR);
+    return -1;
+}
+
+bool unloadModule(PlatformModule module)
+{
+    return g_module_close(module);
+}
+}