| /* |
| * 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" |
| #include "platform/blob/BlobData.h" |
| |
| #include "platform/UUID.h" |
| #include "platform/blob/BlobRegistry.h" |
| #include "platform/text/LineEnding.h" |
| #include "wtf/ArrayBuffer.h" |
| #include "wtf/ArrayBufferView.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/CString.h" |
| #include "wtf/text/TextEncoding.h" |
| |
| namespace blink { |
| |
| const long long BlobDataItem::toEndOfFile = -1; |
| |
| RawData::RawData() |
| { |
| } |
| |
| void RawData::detachFromCurrentThread() |
| { |
| } |
| |
| void BlobDataItem::detachFromCurrentThread() |
| { |
| data->detachFromCurrentThread(); |
| path = path.isolatedCopy(); |
| fileSystemURL = fileSystemURL.copy(); |
| } |
| |
| PassOwnPtr<BlobData> BlobData::create() |
| { |
| return adoptPtr(new BlobData()); |
| } |
| |
| void BlobData::detachFromCurrentThread() |
| { |
| m_contentType = m_contentType.isolatedCopy(); |
| for (size_t i = 0; i < m_items.size(); ++i) |
| m_items.at(i).detachFromCurrentThread(); |
| } |
| |
| void BlobData::appendData(PassRefPtr<RawData> data, long long offset, long long length) |
| { |
| m_items.append(BlobDataItem(data, offset, length)); |
| } |
| |
| void BlobData::appendFile(const String& path) |
| { |
| m_items.append(BlobDataItem(path)); |
| } |
| |
| void BlobData::appendFile(const String& path, long long offset, long long length, double expectedModificationTime) |
| { |
| m_items.append(BlobDataItem(path, offset, length, expectedModificationTime)); |
| } |
| |
| void BlobData::appendBlob(PassRefPtr<BlobDataHandle> dataHandle, long long offset, long long length) |
| { |
| m_items.append(BlobDataItem(dataHandle, offset, length)); |
| } |
| |
| void BlobData::appendFileSystemURL(const KURL& url, long long offset, long long length, double expectedModificationTime) |
| { |
| m_items.append(BlobDataItem(url, offset, length, expectedModificationTime)); |
| } |
| |
| void BlobData::appendText(const String& text, bool doNormalizeLineEndingsToNative) |
| { |
| RefPtr<RawData> data = RawData::create(); |
| Vector<char>* buffer = data->mutableData(); |
| |
| CString utf8Text = UTF8Encoding().normalizeAndEncode(text, WTF::EntitiesForUnencodables); |
| if (doNormalizeLineEndingsToNative) { |
| normalizeLineEndingsToNative(utf8Text, *buffer); |
| } else { |
| buffer->append(utf8Text.data(), utf8Text.length()); |
| } |
| |
| m_items.append(BlobDataItem(data.release())); |
| } |
| |
| void BlobData::appendBytes(const void* bytes, size_t length) |
| { |
| RefPtr<RawData> data = RawData::create(); |
| Vector<char>* buffer = data->mutableData(); |
| buffer->append(static_cast<const char *>(bytes), length); |
| m_items.append(BlobDataItem(data.release())); |
| } |
| |
| void BlobData::appendArrayBuffer(const ArrayBuffer* arrayBuffer) |
| { |
| appendBytes(arrayBuffer->data(), arrayBuffer->byteLength()); |
| } |
| |
| void BlobData::appendArrayBufferView(const ArrayBufferView* arrayBufferView) |
| { |
| appendBytes(arrayBufferView->baseAddress(), arrayBufferView->byteLength()); |
| } |
| |
| void BlobData::swapItems(BlobDataItemList& items) |
| { |
| m_items.swap(items); |
| } |
| |
| long long BlobData::length() const |
| { |
| long long length = 0; |
| |
| for (Vector<BlobDataItem>::const_iterator it = m_items.begin(); it != m_items.end(); ++it) { |
| const BlobDataItem& item = *it; |
| if (item.length != BlobDataItem::toEndOfFile) { |
| ASSERT(item.length >= 0); |
| length += item.length; |
| continue; |
| } |
| |
| switch (item.type) { |
| case BlobDataItem::Data: |
| length += item.data->length(); |
| break; |
| case BlobDataItem::File: |
| case BlobDataItem::Blob: |
| case BlobDataItem::FileSystemURL: |
| return BlobDataItem::toEndOfFile; |
| } |
| } |
| return length; |
| } |
| |
| BlobDataHandle::BlobDataHandle() |
| : m_uuid(createCanonicalUUIDString()) |
| , m_size(0) |
| { |
| BlobRegistry::registerBlobData(m_uuid, BlobData::create()); |
| } |
| |
| BlobDataHandle::BlobDataHandle(PassOwnPtr<BlobData> data, long long size) |
| : m_uuid(createCanonicalUUIDString()) |
| , m_type(data->contentType().isolatedCopy()) |
| , m_size(size) |
| { |
| BlobRegistry::registerBlobData(m_uuid, data); |
| } |
| |
| BlobDataHandle::BlobDataHandle(const String& uuid, const String& type, long long size) |
| : m_uuid(uuid.isolatedCopy()) |
| , m_type(type.isolatedCopy()) |
| , m_size(size) |
| { |
| BlobRegistry::addBlobDataRef(m_uuid); |
| } |
| |
| BlobDataHandle::~BlobDataHandle() |
| { |
| BlobRegistry::removeBlobDataRef(m_uuid); |
| } |
| |
| } // namespace blink |