1 files changed, 148 insertions, 0 deletions
diff --git a/Source/WebCore/fileapi/FileWriterSync.cpp b/Source/WebCore/fileapi/FileWriterSync.cpp
new file mode 100644
index 0000000..28a68f8
--- /dev/null
+++ b/Source/WebCore/fileapi/FileWriterSync.cpp
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2010 Google 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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"
+
+#if ENABLE(FILE_SYSTEM)
+
+#include "FileWriterSync.h"
+
+#include "AsyncFileWriter.h"
+#include "Blob.h"
+#include "FileException.h"
+
+namespace WebCore {
+
+void FileWriterSync::write(Blob* data, ExceptionCode& ec)
+{
+    ASSERT(writer());
+    ASSERT(m_complete);
+    ec = 0;
+    if (!data) {
+        ec = FileException::TYPE_MISMATCH_ERR;
+        return;
+    }
+
+    prepareForWrite();
+    writer()->write(position(), data);
+    writer()->waitForOperationToComplete();
+    ASSERT(m_complete);
+    ec = FileException::ErrorCodeToExceptionCode(m_error);
+    if (ec)
+        return;
+    setPosition(position() + data->size());
+    if (position() > length())
+        setLength(position());
+}
+
+void FileWriterSync::seek(long long position, ExceptionCode& ec)
+{
+    ASSERT(writer());
+    ASSERT(m_complete);
+    ec = 0;
+    seekInternal(position);
+}
+
+void FileWriterSync::truncate(long long offset, ExceptionCode& ec)
+{
+    ASSERT(writer());
+    ASSERT(m_complete);
+    ec = 0;
+    if (offset < 0) {
+        ec = FileException::INVALID_STATE_ERR;
+        return;
+    }
+    prepareForWrite();
+    writer()->truncate(offset);
+    writer()->waitForOperationToComplete();
+    ASSERT(m_complete);
+    ec = FileException::ErrorCodeToExceptionCode(m_error);
+    if (ec)
+        return;
+    if (offset < position())
+        setPosition(offset);
+    setLength(offset);
+}
+
+void FileWriterSync::didWrite(long long bytes, bool complete)
+{
+    ASSERT(m_error == FileError::OK);
+    ASSERT(!m_complete);
+#ifndef NDEBUG
+    m_complete = complete;
+#else
+    ASSERT_UNUSED(complete, complete);
+#endif
+}
+
+void FileWriterSync::didTruncate()
+{
+    ASSERT(m_error == FileError::OK);
+    ASSERT(!m_complete);
+#ifndef NDEBUG
+    m_complete = true;
+#endif
+}
+
+void FileWriterSync::didFail(FileError::ErrorCode error)
+{
+    ASSERT(m_error == FileError::OK);
+    m_error = error;
+    ASSERT(!m_complete);
+#ifndef NDEBUG
+    m_complete = true;
+#endif
+}
+
+FileWriterSync::FileWriterSync()
+    : m_error(FileError::OK)
+#ifndef NDEBUG
+    , m_complete(true)
+#endif
+{
+}
+
+void FileWriterSync::prepareForWrite()
+{
+    ASSERT(m_complete);
+    m_error = FileError::OK;
+#ifndef NDEBUG
+    m_complete = false;
+#endif
+}
+
+FileWriterSync::~FileWriterSync()
+{
+}
+
+
+} // namespace WebCore
+
+#endif // ENABLE(FILE_SYSTEM)