mirror of
https://github.com/RGBCube/serenity
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94965ba28d
This takes the input and sniffs it for a BOM. If it has the UTF-8 or UTF-16BE BOM, it will return their respective decoder. Currently we don't have a UTF-16LE decoder, so it will assert TODO if it detects a UTF-16LE BOM. If there is no recognisable BOM, it will return no decoder.
76 lines
2 KiB
C++
76 lines
2 KiB
C++
/*
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* Copyright (c) 2020-2021, 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/Forward.h>
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#include <AK/Function.h>
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namespace TextCodec {
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class Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) = 0;
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virtual String to_utf8(StringView);
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protected:
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virtual ~Decoder() = default;
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};
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class UTF8Decoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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virtual String to_utf8(StringView) override;
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};
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class UTF16BEDecoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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virtual String to_utf8(StringView) override;
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};
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class Latin1Decoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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class Latin2Decoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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class HebrewDecoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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class CyrillicDecoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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class Koi8RDecoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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class Latin9Decoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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class TurkishDecoder final : public Decoder {
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public:
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virtual void process(StringView, Function<void(u32)> on_code_point) override;
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};
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Decoder* decoder_for(String const& encoding);
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Optional<String> get_standardized_encoding(const String& encoding);
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// This returns the appropriate Unicode decoder for the sniffed BOM or nullptr if there is no appropriate decoder.
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Decoder* bom_sniff_to_decoder(StringView);
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}
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