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ae3ffdd521
This patch adds the `USING_AK_GLOBALLY` macro which is enabled by default, but can be overridden by build flags. This is a step towards integrating Jakt and AK types.
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Format.h>
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#include <AK/Forward.h>
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#include <AK/StringView.h>
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#include <stdarg.h>
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namespace AK {
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class StringBuilder {
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public:
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using OutputType = String;
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explicit StringBuilder(size_t initial_capacity = inline_capacity);
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~StringBuilder() = default;
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ErrorOr<void> try_append(StringView);
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#ifndef KERNEL
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ErrorOr<void> try_append(Utf16View const&);
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#endif
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ErrorOr<void> try_append(Utf32View const&);
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ErrorOr<void> try_append_code_point(u32);
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ErrorOr<void> try_append(char);
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template<typename... Parameters>
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ErrorOr<void> try_appendff(CheckedFormatString<Parameters...>&& fmtstr, Parameters const&... parameters)
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{
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VariadicFormatParams variadic_format_params { parameters... };
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return vformat(*this, fmtstr.view(), variadic_format_params);
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}
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ErrorOr<void> try_append(char const*, size_t);
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ErrorOr<void> try_append_repeated(char, size_t);
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ErrorOr<void> try_append_escaped_for_json(StringView);
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void append(StringView);
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#ifndef KERNEL
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void append(Utf16View const&);
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#endif
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void append(Utf32View const&);
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void append(char);
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void append_code_point(u32);
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void append(char const*, size_t);
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void appendvf(char const*, va_list);
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void append_repeated(char, size_t);
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void append_as_lowercase(char);
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void append_escaped_for_json(StringView);
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template<typename... Parameters>
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void appendff(CheckedFormatString<Parameters...>&& fmtstr, Parameters const&... parameters)
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{
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VariadicFormatParams variadic_format_params { parameters... };
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MUST(vformat(*this, fmtstr.view(), variadic_format_params));
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}
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#ifndef KERNEL
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[[nodiscard]] String build() const;
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[[nodiscard]] String to_string() const;
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#endif
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[[nodiscard]] ByteBuffer to_byte_buffer() const;
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[[nodiscard]] StringView string_view() const;
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void clear();
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[[nodiscard]] size_t length() const { return m_buffer.size(); }
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[[nodiscard]] bool is_empty() const { return m_buffer.is_empty(); }
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void trim(size_t count) { m_buffer.resize(m_buffer.size() - count); }
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template<class SeparatorType, class CollectionType>
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void join(SeparatorType const& separator, CollectionType const& collection, StringView fmtstr = "{}"sv)
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{
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bool first = true;
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for (auto& item : collection) {
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if (first)
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first = false;
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else
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append(separator);
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appendff(fmtstr, item);
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}
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}
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private:
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ErrorOr<void> will_append(size_t);
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u8* data() { return m_buffer.data(); }
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u8 const* data() const { return m_buffer.data(); }
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static constexpr size_t inline_capacity = 256;
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AK::Detail::ByteBuffer<inline_capacity> m_buffer;
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};
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}
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#if USING_AK_GLOBALLY
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using AK::StringBuilder;
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#endif
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