58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#pragma once
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#include "td/utils/common.h"
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#include "td/utils/Slice.h"
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#include "td/utils/StackAllocator.h"
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#include "td/utils/StringBuilder.h"
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#define PSLICE() ::td::detail::Slicify() & ::td::SliceBuilder().ref()
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#define PSTRING() ::td::detail::Stringify() & ::td::SliceBuilder().ref()
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namespace td {
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class SliceBuilder {
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public:
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template <class T>
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SliceBuilder &operator<<(T &&other) {
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sb_ << other;
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return *this;
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}
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MutableCSlice as_cslice() {
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return sb_.as_cslice();
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}
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SliceBuilder &ref() {
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return *this;
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}
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private:
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static const size_t DEFAULT_BUFFER_SIZE = 1024;
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decltype(StackAllocator::alloc(0)) buffer_ = StackAllocator::alloc(DEFAULT_BUFFER_SIZE);
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StringBuilder sb_ = StringBuilder(buffer_.as_slice(), true);
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};
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namespace detail {
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class Slicify {
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public:
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CSlice operator&(SliceBuilder &slice_builder) {
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return slice_builder.as_cslice();
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}
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};
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class Stringify {
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public:
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string operator&(SliceBuilder &slice_builder) {
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return slice_builder.as_cslice().str();
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}
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};
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} // namespace detail
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} // namespace td
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