101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
/***************************************************************************
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copyright : (C) 2015 by Tsuda Kageyu
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email : tsuda.kageyu@gmail.com
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***************************************************************************/
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/***************************************************************************
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* This library is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License version *
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* 2.1 as published by the Free Software Foundation. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
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* 02110-1301 USA *
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* *
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* Alternatively, this file is available under the Mozilla Public *
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* License Version 1.1. You may obtain a copy of the License at *
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* http://www.mozilla.org/MPL/ *
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***************************************************************************/
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#ifndef TAGLIB_ASFUTILS_H
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#define TAGLIB_ASFUTILS_H
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// THIS FILE IS NOT A PART OF THE TAGLIB API
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#ifndef DO_NOT_DOCUMENT // tell Doxygen not to document this header
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namespace Strawberry_TagLib {
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namespace TagLib {
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namespace ASF {
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namespace {
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inline unsigned short readWORD(File *file, bool *ok = nullptr) {
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const ByteVector v = file->readBlock(2);
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if (v.size() != 2) {
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if (ok) *ok = false;
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return 0;
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}
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if (ok) *ok = true;
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return v.toUInt16LE(0);
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}
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inline unsigned int readDWORD(File *file, bool *ok = nullptr) {
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const ByteVector v = file->readBlock(4);
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if (v.size() != 4) {
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if (ok) *ok = false;
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return 0;
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}
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if (ok) *ok = true;
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return v.toUInt32LE(0);
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}
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inline long long readQWORD(File *file, bool *ok = nullptr) {
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const ByteVector v = file->readBlock(8);
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if (v.size() != 8) {
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if (ok) *ok = false;
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return 0;
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}
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if (ok) *ok = true;
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return v.toInt64LE(0);
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}
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inline String readString(File *file, int length) {
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ByteVector data = file->readBlock(length);
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size_t size = data.size();
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while (size >= 2) {
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if (data[size - 1] != '\0' || data[size - 2] != '\0') {
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break;
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}
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size -= 2;
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}
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if (size != data.size()) {
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data.resize(size);
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}
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return String(data, String::UTF16LE);
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}
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inline ByteVector renderString(const String &str, bool includeLength = false) {
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ByteVector data = str.data(String::UTF16LE) + ByteVector::fromUInt16LE(0);
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if (includeLength) {
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data = ByteVector::fromUInt16LE(data.size()) + data;
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}
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return data;
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}
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} // namespace
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} // namespace ASF
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} // namespace TagLib
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} // namespace Strawberry_TagLib
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#endif
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#endif
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