75 lines
2 KiB
C++
75 lines
2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include <string>
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#include <QtCore/QString>
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#include <QtCore/QByteArray>
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namespace codegen {
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namespace common {
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// This is a simple wrapper around (const char*, size).
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// Not null-terminated! It does not hold any ownership.
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class ConstUtf8String {
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public:
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explicit ConstUtf8String(const char *string, int size = -1) : string_(string) {
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if (size < 0) {
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size = strlen(string);
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}
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size_ = size;
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}
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ConstUtf8String(const char *string, const char *end) : ConstUtf8String(string, end - string) {
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}
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QByteArray toByteArray() const {
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return QByteArray(string_, size_);
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}
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std::string toStdString() const {
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return std::string(string_, size_);
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}
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QString toStringUnchecked() const {
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return QString::fromUtf8(string_, size_);
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}
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bool empty() const {
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return size_ == 0;
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}
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const char *data() const {
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return string_;
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}
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int size() const {
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return size_;
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}
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const char *end() const {
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return data() + size();
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}
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ConstUtf8String mid(int pos, int size = -1) {
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return ConstUtf8String(string_ + pos, std::max(std::min(size, size_ - pos), 0));
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}
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private:
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const char *string_;
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int size_;
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};
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} // namespace common
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} // namespace codegen
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