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			1174 lines
		
	
	
	
		
			46 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			1174 lines
		
	
	
	
		
			46 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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 *
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 * SPDX-License-Identifier: BSD-2-Clause
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 */
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#include "GeneratorUtil.h"
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#include <AK/AllOf.h>
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#include <AK/Array.h>
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#include <AK/CharacterTypes.h>
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#include <AK/Find.h>
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#include <AK/HashMap.h>
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#include <AK/Optional.h>
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#include <AK/QuickSort.h>
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#include <AK/SourceGenerator.h>
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#include <AK/String.h>
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#include <AK/StringUtils.h>
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#include <AK/Types.h>
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#include <AK/Vector.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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// Some code points are excluded from UnicodeData.txt, and instead are part of a "range" of code
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// points, as indicated by the "name" field. For example:
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//     3400;<CJK Ideograph Extension A, First>;Lo;0;L;;;;;N;;;;;
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//     4DBF;<CJK Ideograph Extension A, Last>;Lo;0;L;;;;;N;;;;;
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struct CodePointRange {
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    u32 first;
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    u32 last;
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};
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// SpecialCasing source: https://www.unicode.org/Public/13.0.0/ucd/SpecialCasing.txt
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// Field descriptions: https://www.unicode.org/reports/tr44/tr44-13.html#SpecialCasing.txt
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struct SpecialCasing {
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    u32 index { 0 };
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    u32 code_point { 0 };
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    Vector<u32> lowercase_mapping;
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    Vector<u32> uppercase_mapping;
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    Vector<u32> titlecase_mapping;
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    String locale;
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    String condition;
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};
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// PropList source: https://www.unicode.org/Public/13.0.0/ucd/PropList.txt
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// Property descriptions: https://www.unicode.org/reports/tr44/tr44-13.html#PropList.txt
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using PropList = HashMap<String, Vector<CodePointRange>>;
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// Normalization source: https://www.unicode.org/Public/13.0.0/ucd/DerivedNormalizationProps.txt
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// Normalization descriptions: https://www.unicode.org/reports/tr44/#DerivedNormalizationProps.txt
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enum class QuickCheck {
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    Yes,
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    No,
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    Maybe,
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};
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struct Normalization {
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    CodePointRange code_point_range;
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    Vector<u32> value;
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    QuickCheck quick_check { QuickCheck::Yes };
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};
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using NormalizationProps = HashMap<String, Vector<Normalization>>;
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struct CodePointName {
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    CodePointRange code_point_range;
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    StringView name;
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};
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// UnicodeData source: https://www.unicode.org/Public/13.0.0/ucd/UnicodeData.txt
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// Field descriptions: https://www.unicode.org/reports/tr44/tr44-13.html#UnicodeData.txt
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//                     https://www.unicode.org/reports/tr44/#General_Category_Values
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struct CodePointData {
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    u32 code_point { 0 };
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    String name;
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    Optional<StringView> abbreviation;
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    u8 canonical_combining_class { 0 };
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    String bidi_class;
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    String decomposition_type;
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    Optional<i8> numeric_value_decimal;
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    Optional<i8> numeric_value_digit;
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    Optional<i8> numeric_value_numeric;
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    bool bidi_mirrored { false };
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    String unicode_1_name;
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    String iso_comment;
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    Optional<u32> simple_uppercase_mapping;
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    Optional<u32> simple_lowercase_mapping;
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    Optional<u32> simple_titlecase_mapping;
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    Vector<u32> special_casing_indices;
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};
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struct UnicodeData {
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    u32 code_points_with_non_zero_combining_class { 0 };
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    u32 simple_uppercase_mapping_size { 0 };
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    u32 simple_lowercase_mapping_size { 0 };
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    Vector<SpecialCasing> special_casing;
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    u32 code_points_with_special_casing { 0 };
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    u32 largest_casing_transform_size { 0 };
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    u32 largest_special_casing_size { 0 };
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    Vector<String> conditions;
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    Vector<CodePointData> code_point_data;
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    HashMap<u32, String> code_point_abbreviations;
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    HashMap<u32, String> code_point_display_name_aliases;
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    Vector<CodePointName> code_point_display_names;
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    PropList general_categories;
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    Vector<Alias> general_category_aliases;
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    // The Unicode standard defines additional properties (Any, Assigned, ASCII) which are not in
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    // any UCD file. Assigned code point ranges are derived as this generator is executed.
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    // https://unicode.org/reports/tr18/#General_Category_Property
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    PropList prop_list {
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        { "Any"sv, { { 0, 0x10ffff } } },
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        { "Assigned"sv, {} },
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        { "ASCII"sv, { { 0, 0x7f } } },
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    };
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    Vector<Alias> prop_aliases;
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    PropList script_list {
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        { "Unknown"sv, {} },
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    };
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    Vector<Alias> script_aliases;
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    PropList script_extensions;
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    // FIXME: We are not yet doing anything with this data. It will be needed for String.prototype.normalize.
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    NormalizationProps normalization_props;
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};
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static Vector<u32> parse_code_point_list(StringView list)
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{
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    Vector<u32> code_points;
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    auto segments = list.split_view(' ');
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    for (auto const& code_point : segments)
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        code_points.append(AK::StringUtils::convert_to_uint_from_hex<u32>(code_point).value());
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    return code_points;
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}
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static CodePointRange parse_code_point_range(StringView list)
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{
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    CodePointRange code_point_range {};
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    if (list.contains(".."sv)) {
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        auto segments = list.split_view(".."sv);
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        VERIFY(segments.size() == 2);
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        auto begin = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[0]).value();
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        auto end = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[1]).value();
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        code_point_range = { begin, end };
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    } else {
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        auto code_point = AK::StringUtils::convert_to_uint_from_hex<u32>(list).value();
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        code_point_range = { code_point, code_point };
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    }
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    return code_point_range;
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}
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static void parse_special_casing(Core::File& file, UnicodeData& unicode_data)
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{
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    while (file.can_read_line()) {
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        auto line = file.read_line();
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        if (line.is_empty() || line.starts_with('#'))
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            continue;
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        if (auto index = line.find('#'); index.has_value())
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            line = line.substring(0, *index);
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        auto segments = line.split(';', true);
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        VERIFY(segments.size() == 5 || segments.size() == 6);
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        SpecialCasing casing {};
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        casing.code_point = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[0]).value();
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        casing.lowercase_mapping = parse_code_point_list(segments[1]);
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        casing.titlecase_mapping = parse_code_point_list(segments[2]);
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        casing.uppercase_mapping = parse_code_point_list(segments[3]);
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        if (auto condition = segments[4].trim_whitespace(); !condition.is_empty()) {
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            auto conditions = condition.split(' ', true);
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            VERIFY(conditions.size() == 1 || conditions.size() == 2);
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            if (conditions.size() == 2) {
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                casing.locale = move(conditions[0]);
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                casing.condition = move(conditions[1]);
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            } else if (all_of(conditions[0], is_ascii_lower_alpha)) {
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                casing.locale = move(conditions[0]);
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            } else {
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                casing.condition = move(conditions[0]);
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            }
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            if (!casing.locale.is_empty())
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                casing.locale = String::formatted("{:c}{}", to_ascii_uppercase(casing.locale[0]), casing.locale.substring_view(1));
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            casing.condition = casing.condition.replace("_", "", true);
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            if (!casing.condition.is_empty() && !unicode_data.conditions.contains_slow(casing.condition))
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                unicode_data.conditions.append(casing.condition);
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        }
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        unicode_data.largest_casing_transform_size = max(unicode_data.largest_casing_transform_size, casing.lowercase_mapping.size());
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        unicode_data.largest_casing_transform_size = max(unicode_data.largest_casing_transform_size, casing.titlecase_mapping.size());
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        unicode_data.largest_casing_transform_size = max(unicode_data.largest_casing_transform_size, casing.uppercase_mapping.size());
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        unicode_data.special_casing.append(move(casing));
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    }
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    quick_sort(unicode_data.special_casing, [](auto const& lhs, auto const& rhs) {
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        if (lhs.code_point != rhs.code_point)
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            return lhs.code_point < rhs.code_point;
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        if (lhs.locale.is_empty() && !rhs.locale.is_empty())
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            return false;
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        if (!lhs.locale.is_empty() && rhs.locale.is_empty())
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            return true;
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        return lhs.locale < rhs.locale;
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    });
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    for (u32 i = 0; i < unicode_data.special_casing.size(); ++i)
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        unicode_data.special_casing[i].index = i;
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}
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static void parse_prop_list(Core::File& file, PropList& prop_list, bool multi_value_property = false)
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{
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    while (file.can_read_line()) {
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        auto line = file.read_line();
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        if (line.is_empty() || line.starts_with('#'))
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            continue;
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        if (auto index = line.find('#'); index.has_value())
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            line = line.substring(0, *index);
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        auto segments = line.split_view(';', true);
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        VERIFY(segments.size() == 2);
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        auto code_point_range = parse_code_point_range(segments[0].trim_whitespace());
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        Vector<StringView> properties;
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        if (multi_value_property)
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            properties = segments[1].trim_whitespace().split_view(' ');
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        else
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            properties = { segments[1].trim_whitespace() };
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        for (auto const& property : properties) {
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            auto& code_points = prop_list.ensure(property.trim_whitespace());
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            code_points.append(code_point_range);
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        }
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    }
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}
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static void parse_alias_list(Core::File& file, PropList const& prop_list, Vector<Alias>& prop_aliases)
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{
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    String current_property;
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    auto append_alias = [&](auto alias, auto property) {
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        // Note: The alias files contain lines such as "Hyphen = Hyphen", which we should just skip.
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        if (alias == property)
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            return;
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        // FIXME: We will, eventually, need to find where missing properties are located and parse them.
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        if (!prop_list.contains(property))
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            return;
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        prop_aliases.append({ property, alias });
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    };
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    while (file.can_read_line()) {
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        auto line = file.read_line();
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        if (line.is_empty() || line.starts_with('#')) {
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            if (line.ends_with("Properties"sv))
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                current_property = line.substring(2);
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            continue;
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        }
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        // Note: For now, we only care about Binary Property aliases for Unicode property escapes.
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        if (current_property != "Binary Properties"sv)
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            continue;
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        auto segments = line.split_view(';', true);
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        VERIFY((segments.size() == 2) || (segments.size() == 3));
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        auto alias = segments[0].trim_whitespace();
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        auto property = segments[1].trim_whitespace();
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        append_alias(alias, property);
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        if (segments.size() == 3) {
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            alias = segments[2].trim_whitespace();
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            append_alias(alias, property);
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        }
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    }
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}
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static void parse_name_aliases(Core::File& file, UnicodeData& unicode_data)
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{
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    while (file.can_read_line()) {
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        auto line = file.read_line();
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        if (line.is_empty() || line.starts_with('#'))
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            continue;
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        auto segments = line.split_view(';', true);
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        VERIFY(segments.size() == 3);
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        auto code_point = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[0].trim_whitespace());
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        auto alias = segments[1].trim_whitespace();
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        auto reason = segments[2].trim_whitespace();
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        if (reason == "abbreviation"sv) {
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            unicode_data.code_point_abbreviations.set(*code_point, alias);
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        } else if (reason.is_one_of("correction"sv, "control"sv)) {
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            if (!unicode_data.code_point_display_name_aliases.contains(*code_point))
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                unicode_data.code_point_display_name_aliases.set(*code_point, alias);
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        }
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    }
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}
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static void parse_value_alias_list(Core::File& file, StringView desired_category, Vector<String> const& value_list, Vector<Alias>& prop_aliases, bool primary_value_is_first = true)
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{
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    VERIFY(file.seek(0));
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    auto append_alias = [&](auto alias, auto value) {
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        // Note: The value alias file contains lines such as "Ahom = Ahom", which we should just skip.
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        if (alias == value)
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            return;
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        // FIXME: We will, eventually, need to find where missing properties are located and parse them.
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        if (!value_list.contains_slow(value))
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            return;
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        prop_aliases.append({ value, alias });
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    };
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    while (file.can_read_line()) {
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        auto line = file.read_line();
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        if (line.is_empty() || line.starts_with('#'))
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            continue;
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        if (auto index = line.find('#'); index.has_value())
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            line = line.substring(0, *index);
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        auto segments = line.split_view(';', true);
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        auto category = segments[0].trim_whitespace();
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        if (category != desired_category)
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            continue;
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        VERIFY((segments.size() == 3) || (segments.size() == 4));
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        auto value = primary_value_is_first ? segments[1].trim_whitespace() : segments[2].trim_whitespace();
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        auto alias = primary_value_is_first ? segments[2].trim_whitespace() : segments[1].trim_whitespace();
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        append_alias(alias, value);
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        if (segments.size() == 4) {
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            alias = segments[3].trim_whitespace();
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            append_alias(alias, value);
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        }
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    }
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}
 | 
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 | 
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static void parse_normalization_props(Core::File& file, UnicodeData& unicode_data)
 | 
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{
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    while (file.can_read_line()) {
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        auto line = file.read_line();
 | 
						|
        if (line.is_empty() || line.starts_with('#'))
 | 
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            continue;
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 | 
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        if (auto index = line.find('#'); index.has_value())
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            line = line.substring(0, *index);
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 | 
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        auto segments = line.split_view(';', true);
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        VERIFY((segments.size() == 2) || (segments.size() == 3));
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        auto code_point_range = parse_code_point_range(segments[0].trim_whitespace());
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        auto property = segments[1].trim_whitespace().to_string();
 | 
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 | 
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        Vector<u32> value;
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        QuickCheck quick_check = QuickCheck::Yes;
 | 
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        if (segments.size() == 3) {
 | 
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            auto value_or_quick_check = segments[2].trim_whitespace();
 | 
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 | 
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            if ((value_or_quick_check == "N"sv))
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                quick_check = QuickCheck::No;
 | 
						|
            else if ((value_or_quick_check == "M"sv))
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                quick_check = QuickCheck::Maybe;
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            else
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                value = parse_code_point_list(value_or_quick_check);
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        }
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        auto& normalizations = unicode_data.normalization_props.ensure(property);
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        normalizations.append({ code_point_range, move(value), quick_check });
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        auto& prop_list = unicode_data.prop_list.ensure(property);
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        prop_list.append(move(code_point_range));
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    }
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}
 | 
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 | 
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static void add_canonical_code_point_name(CodePointRange range, StringView name, UnicodeData& unicode_data)
 | 
						|
{
 | 
						|
    // https://www.unicode.org/versions/Unicode14.0.0/ch04.pdf#G142981
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						|
    // FIXME: Implement the NR1 rules for Hangul syllables.
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						|
 | 
						|
    // These code point ranges are the NR2 set of name replacements defined by Table 4-8.
 | 
						|
    constexpr Array<CodePointName, 15> s_ideographic_replacements { {
 | 
						|
        { { 0x3400, 0x4DBF }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x4E00, 0x9FFC }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0xF900, 0xFA6D }, "CJK COMPATIBILITY IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0xFA70, 0xFAD9 }, "CJK COMPATIBILITY IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x17000, 0x187F7 }, "TANGUT IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x18B00, 0x18CD5 }, "KHITAN SMALL SCRIPT CHARACTER-{:X}"sv },
 | 
						|
        { { 0x18D00, 0x18D08 }, "TANGUT IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x1B170, 0x1B2FB }, "NUSHU CHARACTER-{:X}"sv },
 | 
						|
        { { 0x20000, 0x2A6DD }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x2A700, 0x2B734 }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x2B740, 0x2B81D }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x2B820, 0x2CEA1 }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x2CEB0, 0x2EBE0 }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x2F800, 0x2FA1D }, "CJK COMPATIBILITY IDEOGRAPH-{:X}"sv },
 | 
						|
        { { 0x30000, 0x3134A }, "CJK UNIFIED IDEOGRAPH-{:X}"sv },
 | 
						|
    } };
 | 
						|
 | 
						|
    auto it = find_if(s_ideographic_replacements.begin(), s_ideographic_replacements.end(),
 | 
						|
        [&](auto const& replacement) {
 | 
						|
            return replacement.code_point_range.first == range.first;
 | 
						|
        });
 | 
						|
 | 
						|
    if (it != s_ideographic_replacements.end()) {
 | 
						|
        unicode_data.code_point_display_names.append(*it);
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    it = find_if(s_ideographic_replacements.begin(), s_ideographic_replacements.end(),
 | 
						|
        [&](auto const& replacement) {
 | 
						|
            return (replacement.code_point_range.first <= range.first) && (range.first <= replacement.code_point_range.last);
 | 
						|
        });
 | 
						|
 | 
						|
    if (it != s_ideographic_replacements.end()) {
 | 
						|
        // Drop code points that will have been captured by a range defined by the ideographic replacements.
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    if (auto alias = unicode_data.code_point_display_name_aliases.get(range.first); alias.has_value()) {
 | 
						|
        // NR4 states that control code points have a null string as their name. Our implementation
 | 
						|
        // uses the control code's alias as its display name.
 | 
						|
        unicode_data.code_point_display_names.append({ range, *alias });
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    unicode_data.code_point_display_names.append({ range, name });
 | 
						|
}
 | 
						|
 | 
						|
static void parse_unicode_data(Core::File& file, UnicodeData& unicode_data)
 | 
						|
{
 | 
						|
    Optional<u32> code_point_range_start;
 | 
						|
 | 
						|
    auto& assigned_code_points = unicode_data.prop_list.find("Assigned"sv)->value;
 | 
						|
    Optional<u32> assigned_code_point_range_start = 0;
 | 
						|
    u32 previous_code_point = 0;
 | 
						|
 | 
						|
    while (file.can_read_line()) {
 | 
						|
        auto line = file.read_line();
 | 
						|
        if (line.is_empty())
 | 
						|
            continue;
 | 
						|
 | 
						|
        auto segments = line.split(';', true);
 | 
						|
        VERIFY(segments.size() == 15);
 | 
						|
 | 
						|
        CodePointData data {};
 | 
						|
        data.code_point = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[0]).value();
 | 
						|
        data.name = move(segments[1]);
 | 
						|
        data.canonical_combining_class = AK::StringUtils::convert_to_uint<u8>(segments[3]).value();
 | 
						|
        data.bidi_class = move(segments[4]);
 | 
						|
        data.decomposition_type = move(segments[5]);
 | 
						|
        data.numeric_value_decimal = AK::StringUtils::convert_to_int<i8>(segments[6]);
 | 
						|
        data.numeric_value_digit = AK::StringUtils::convert_to_int<i8>(segments[7]);
 | 
						|
        data.numeric_value_numeric = AK::StringUtils::convert_to_int<i8>(segments[8]);
 | 
						|
        data.bidi_mirrored = segments[9] == "Y"sv;
 | 
						|
        data.unicode_1_name = move(segments[10]);
 | 
						|
        data.iso_comment = move(segments[11]);
 | 
						|
        data.simple_uppercase_mapping = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[12]);
 | 
						|
        data.simple_lowercase_mapping = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[13]);
 | 
						|
        data.simple_titlecase_mapping = AK::StringUtils::convert_to_uint_from_hex<u32>(segments[14]);
 | 
						|
 | 
						|
        if (auto abbreviation = unicode_data.code_point_abbreviations.get(data.code_point); abbreviation.has_value())
 | 
						|
            data.abbreviation = *abbreviation;
 | 
						|
 | 
						|
        if (!assigned_code_point_range_start.has_value())
 | 
						|
            assigned_code_point_range_start = data.code_point;
 | 
						|
 | 
						|
        if (data.name.starts_with("<"sv) && data.name.ends_with(", First>")) {
 | 
						|
            VERIFY(!code_point_range_start.has_value() && assigned_code_point_range_start.has_value());
 | 
						|
            code_point_range_start = data.code_point;
 | 
						|
 | 
						|
            data.name = data.name.substring(1, data.name.length() - 9);
 | 
						|
 | 
						|
            assigned_code_points.append({ *assigned_code_point_range_start, previous_code_point });
 | 
						|
            assigned_code_point_range_start.clear();
 | 
						|
        } else if (data.name.starts_with("<"sv) && data.name.ends_with(", Last>")) {
 | 
						|
            VERIFY(code_point_range_start.has_value());
 | 
						|
 | 
						|
            CodePointRange code_point_range { *code_point_range_start, data.code_point };
 | 
						|
            assigned_code_points.append(code_point_range);
 | 
						|
 | 
						|
            data.name = data.name.substring(1, data.name.length() - 8);
 | 
						|
            code_point_range_start.clear();
 | 
						|
 | 
						|
            add_canonical_code_point_name(code_point_range, data.name, unicode_data);
 | 
						|
        } else {
 | 
						|
            add_canonical_code_point_name({ data.code_point, data.code_point }, data.name, unicode_data);
 | 
						|
 | 
						|
            if ((data.code_point > 0) && (data.code_point - previous_code_point) != 1) {
 | 
						|
                VERIFY(assigned_code_point_range_start.has_value());
 | 
						|
 | 
						|
                assigned_code_points.append({ *assigned_code_point_range_start, previous_code_point });
 | 
						|
                assigned_code_point_range_start = data.code_point;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        bool has_special_casing { false };
 | 
						|
 | 
						|
        for (auto const& casing : unicode_data.special_casing) {
 | 
						|
            if (casing.code_point == data.code_point) {
 | 
						|
                data.special_casing_indices.append(casing.index);
 | 
						|
                has_special_casing = true;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        unicode_data.code_points_with_non_zero_combining_class += data.canonical_combining_class != 0;
 | 
						|
        unicode_data.simple_uppercase_mapping_size += data.simple_uppercase_mapping.has_value();
 | 
						|
        unicode_data.simple_lowercase_mapping_size += data.simple_lowercase_mapping.has_value();
 | 
						|
 | 
						|
        unicode_data.code_points_with_special_casing += has_special_casing;
 | 
						|
        unicode_data.largest_special_casing_size = max(unicode_data.largest_special_casing_size, data.special_casing_indices.size());
 | 
						|
        previous_code_point = data.code_point;
 | 
						|
 | 
						|
        unicode_data.code_point_data.append(move(data));
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static void generate_unicode_data_header(Core::File& file, UnicodeData& unicode_data)
 | 
						|
{
 | 
						|
    StringBuilder builder;
 | 
						|
    SourceGenerator generator { builder };
 | 
						|
    generator.set("casing_transform_size", String::number(unicode_data.largest_casing_transform_size));
 | 
						|
 | 
						|
    auto generate_enum = [&](StringView name, StringView default_, Vector<String> values, Vector<Alias> aliases = {}) {
 | 
						|
        quick_sort(values);
 | 
						|
        quick_sort(aliases, [](auto& alias1, auto& alias2) { return alias1.alias < alias2.alias; });
 | 
						|
 | 
						|
        generator.set("name", name);
 | 
						|
        generator.set("underlying", String::formatted("{}UnderlyingType", name));
 | 
						|
 | 
						|
        generator.append(R"~~~(
 | 
						|
using @underlying@ = u8;
 | 
						|
 | 
						|
enum class @name@ : @underlying@ {)~~~");
 | 
						|
 | 
						|
        if (!default_.is_empty()) {
 | 
						|
            generator.set("default", default_);
 | 
						|
            generator.append(R"~~~(
 | 
						|
    @default@,)~~~");
 | 
						|
        }
 | 
						|
 | 
						|
        for (auto const& value : values) {
 | 
						|
            generator.set("value", value);
 | 
						|
            generator.append(R"~~~(
 | 
						|
    @value@,)~~~");
 | 
						|
        }
 | 
						|
 | 
						|
        for (auto const& alias : aliases) {
 | 
						|
            generator.set("alias", alias.alias);
 | 
						|
            generator.set("value", alias.name);
 | 
						|
            generator.append(R"~~~(
 | 
						|
    @alias@ = @value@,)~~~");
 | 
						|
        }
 | 
						|
 | 
						|
        generator.append(R"~~~(
 | 
						|
};
 | 
						|
)~~~");
 | 
						|
    };
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
#pragma once
 | 
						|
 | 
						|
#include <AK/Types.h>
 | 
						|
#include <LibUnicode/Forward.h>
 | 
						|
#include <LibUnicode/UnicodeLocale.h>
 | 
						|
 | 
						|
namespace Unicode {
 | 
						|
)~~~");
 | 
						|
 | 
						|
    generate_enum("Condition"sv, "None"sv, move(unicode_data.conditions));
 | 
						|
    generate_enum("GeneralCategory"sv, {}, unicode_data.general_categories.keys(), unicode_data.general_category_aliases);
 | 
						|
    generate_enum("Property"sv, {}, unicode_data.prop_list.keys(), unicode_data.prop_aliases);
 | 
						|
    generate_enum("Script"sv, {}, unicode_data.script_list.keys(), unicode_data.script_aliases);
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
struct SpecialCasing {
 | 
						|
    u32 code_point { 0 };
 | 
						|
 | 
						|
    u32 lowercase_mapping[@casing_transform_size@];
 | 
						|
    u32 lowercase_mapping_size { 0 };
 | 
						|
 | 
						|
    u32 uppercase_mapping[@casing_transform_size@];
 | 
						|
    u32 uppercase_mapping_size { 0 };
 | 
						|
 | 
						|
    u32 titlecase_mapping[@casing_transform_size@];
 | 
						|
    u32 titlecase_mapping_size { 0 };
 | 
						|
 | 
						|
    Locale locale { Locale::None };
 | 
						|
    Condition condition { Condition::None };
 | 
						|
};
 | 
						|
 | 
						|
}
 | 
						|
)~~~");
 | 
						|
 | 
						|
    VERIFY(file.write(generator.as_string_view()));
 | 
						|
}
 | 
						|
 | 
						|
static void generate_unicode_data_implementation(Core::File& file, UnicodeData const& unicode_data)
 | 
						|
{
 | 
						|
    StringBuilder builder;
 | 
						|
    SourceGenerator generator { builder };
 | 
						|
 | 
						|
    generator.set("largest_special_casing_size", String::number(unicode_data.largest_special_casing_size));
 | 
						|
    generator.set("special_casing_size", String::number(unicode_data.special_casing.size()));
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
#include <AK/Array.h>
 | 
						|
#include <AK/BinarySearch.h>
 | 
						|
#include <AK/CharacterTypes.h>
 | 
						|
#include <AK/Optional.h>
 | 
						|
#include <AK/Span.h>
 | 
						|
#include <AK/String.h>
 | 
						|
#include <AK/StringView.h>
 | 
						|
#include <LibUnicode/CharacterTypes.h>
 | 
						|
#include <LibUnicode/UnicodeData.h>
 | 
						|
 | 
						|
namespace Unicode {
 | 
						|
)~~~");
 | 
						|
 | 
						|
    auto append_list_and_size = [&](auto const& list, StringView format) {
 | 
						|
        if (list.is_empty()) {
 | 
						|
            generator.append(", {}, 0");
 | 
						|
            return;
 | 
						|
        }
 | 
						|
 | 
						|
        bool first = true;
 | 
						|
        generator.append(", {");
 | 
						|
        for (auto const& item : list) {
 | 
						|
            generator.append(first ? " " : ", ");
 | 
						|
            generator.append(String::formatted(format, item));
 | 
						|
            first = false;
 | 
						|
        }
 | 
						|
        generator.append(String::formatted(" }}, {}", list.size()));
 | 
						|
    };
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
static constexpr Array<SpecialCasing, @special_casing_size@> s_special_casing { {)~~~");
 | 
						|
 | 
						|
    for (auto const& casing : unicode_data.special_casing) {
 | 
						|
        generator.set("code_point", String::formatted("{:#x}", casing.code_point));
 | 
						|
        generator.append(R"~~~(
 | 
						|
    { @code_point@)~~~");
 | 
						|
 | 
						|
        constexpr auto format = "0x{:x}"sv;
 | 
						|
        append_list_and_size(casing.lowercase_mapping, format);
 | 
						|
        append_list_and_size(casing.uppercase_mapping, format);
 | 
						|
        append_list_and_size(casing.titlecase_mapping, format);
 | 
						|
 | 
						|
        generator.set("locale", casing.locale.is_empty() ? "None" : casing.locale);
 | 
						|
        generator.append(", Locale::@locale@");
 | 
						|
 | 
						|
        generator.set("condition", casing.condition.is_empty() ? "None" : casing.condition);
 | 
						|
        generator.append(", Condition::@condition@");
 | 
						|
 | 
						|
        generator.append(" },");
 | 
						|
    }
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
} };
 | 
						|
 | 
						|
struct CodePointMapping {
 | 
						|
    u32 code_point { 0 };
 | 
						|
    u32 mapping { 0 };
 | 
						|
};
 | 
						|
 | 
						|
struct SpecialCaseMapping {
 | 
						|
    u32 code_point { 0 };
 | 
						|
    Array<SpecialCasing const*, @largest_special_casing_size@> special_casing {};
 | 
						|
    u32 special_casing_size { 0 };
 | 
						|
};
 | 
						|
 | 
						|
struct CodePointAbbreviation {
 | 
						|
    u32 code_point { 0 };
 | 
						|
    StringView abbreviation {};
 | 
						|
};
 | 
						|
 | 
						|
template<typename MappingType>
 | 
						|
struct CodePointComparator {
 | 
						|
    constexpr int operator()(u32 code_point, MappingType const& mapping)
 | 
						|
    {
 | 
						|
        return code_point - mapping.code_point;
 | 
						|
    }
 | 
						|
};
 | 
						|
)~~~");
 | 
						|
 | 
						|
    auto append_code_point_mappings = [&](StringView name, StringView mapping_type, u32 size, auto mapping_getter) {
 | 
						|
        generator.set("name", name);
 | 
						|
        generator.set("mapping_type", mapping_type);
 | 
						|
        generator.set("size", String::number(size));
 | 
						|
 | 
						|
        generator.append(R"~~~(
 | 
						|
static constexpr Array<@mapping_type@, @size@> s_@name@_mappings { {
 | 
						|
    )~~~");
 | 
						|
 | 
						|
        constexpr size_t max_mappings_per_row = 20;
 | 
						|
        size_t mappings_in_current_row = 0;
 | 
						|
 | 
						|
        for (auto const& data : unicode_data.code_point_data) {
 | 
						|
            auto mapping = mapping_getter(data);
 | 
						|
 | 
						|
            if constexpr (requires { mapping.has_value(); }) {
 | 
						|
                if (!mapping.has_value())
 | 
						|
                    continue;
 | 
						|
            } else {
 | 
						|
                if (mapping.is_empty())
 | 
						|
                    continue;
 | 
						|
            }
 | 
						|
 | 
						|
            if (mappings_in_current_row++ > 0)
 | 
						|
                generator.append(" ");
 | 
						|
 | 
						|
            generator.set("code_point", String::formatted("{:#x}", data.code_point));
 | 
						|
            generator.append("{ @code_point@");
 | 
						|
 | 
						|
            if constexpr (IsSame<decltype(mapping), Optional<u32>>) {
 | 
						|
                generator.set("mapping", String::formatted("{:#x}", *mapping));
 | 
						|
                generator.append(", @mapping@ },");
 | 
						|
            } else if constexpr (IsSame<decltype(mapping), Optional<StringView>>) {
 | 
						|
                generator.set("mapping", String::formatted("{}", *mapping));
 | 
						|
                generator.append(", \"@mapping@\"sv },");
 | 
						|
            } else {
 | 
						|
                append_list_and_size(data.special_casing_indices, "&s_special_casing[{}]"sv);
 | 
						|
                generator.append(" },");
 | 
						|
            }
 | 
						|
 | 
						|
            if (mappings_in_current_row == max_mappings_per_row) {
 | 
						|
                mappings_in_current_row = 0;
 | 
						|
                generator.append("\n    ");
 | 
						|
            }
 | 
						|
        }
 | 
						|
        generator.append(R"~~~(
 | 
						|
} };
 | 
						|
)~~~");
 | 
						|
    };
 | 
						|
 | 
						|
    append_code_point_mappings("combining_class"sv, "CodePointMapping"sv, unicode_data.code_points_with_non_zero_combining_class,
 | 
						|
        [](auto const& data) -> Optional<u32> {
 | 
						|
            if (data.canonical_combining_class == 0)
 | 
						|
                return {};
 | 
						|
            return data.canonical_combining_class;
 | 
						|
        });
 | 
						|
    append_code_point_mappings("uppercase"sv, "CodePointMapping"sv, unicode_data.simple_uppercase_mapping_size, [](auto const& data) { return data.simple_uppercase_mapping; });
 | 
						|
    append_code_point_mappings("lowercase"sv, "CodePointMapping"sv, unicode_data.simple_lowercase_mapping_size, [](auto const& data) { return data.simple_lowercase_mapping; });
 | 
						|
    append_code_point_mappings("special_case"sv, "SpecialCaseMapping"sv, unicode_data.code_points_with_special_casing, [](auto const& data) { return data.special_casing_indices; });
 | 
						|
    append_code_point_mappings("abbreviation"sv, "CodePointAbbreviation"sv, unicode_data.code_point_abbreviations.size(), [](auto const& data) { return data.abbreviation; });
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
struct CodePointRange {
 | 
						|
    u32 first { 0 };
 | 
						|
    u32 last { 0 };
 | 
						|
};
 | 
						|
 | 
						|
struct CodePointRangeComparator {
 | 
						|
    constexpr int operator()(u32 code_point, CodePointRange const& range)
 | 
						|
    {
 | 
						|
        return (code_point > range.last) - (code_point < range.first);
 | 
						|
    }
 | 
						|
};
 | 
						|
 | 
						|
)~~~");
 | 
						|
 | 
						|
    auto append_code_point_range_list = [&](String name, Vector<CodePointRange> const& ranges) {
 | 
						|
        generator.set("name", name);
 | 
						|
        generator.set("size", String::number(ranges.size()));
 | 
						|
        generator.append(R"~~~(
 | 
						|
static constexpr Array<CodePointRange, @size@> @name@ { {
 | 
						|
    )~~~");
 | 
						|
 | 
						|
        constexpr size_t max_ranges_per_row = 20;
 | 
						|
        size_t ranges_in_current_row = 0;
 | 
						|
 | 
						|
        for (auto const& range : ranges) {
 | 
						|
            if (ranges_in_current_row++ > 0)
 | 
						|
                generator.append(" ");
 | 
						|
 | 
						|
            generator.set("first", String::formatted("{:#x}", range.first));
 | 
						|
            generator.set("last", String::formatted("{:#x}", range.last));
 | 
						|
            generator.append("{ @first@, @last@ },");
 | 
						|
 | 
						|
            if (ranges_in_current_row == max_ranges_per_row) {
 | 
						|
                ranges_in_current_row = 0;
 | 
						|
                generator.append("\n    ");
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        generator.append(R"~~~(
 | 
						|
} };
 | 
						|
)~~~");
 | 
						|
    };
 | 
						|
 | 
						|
    auto append_prop_list = [&](StringView collection_name, StringView property_format, PropList const& property_list) {
 | 
						|
        for (auto const& property : property_list) {
 | 
						|
            auto name = String::formatted(property_format, property.key);
 | 
						|
            append_code_point_range_list(move(name), property.value);
 | 
						|
        }
 | 
						|
 | 
						|
        auto property_names = property_list.keys();
 | 
						|
        quick_sort(property_names);
 | 
						|
 | 
						|
        generator.set("name", collection_name);
 | 
						|
        generator.set("size", String::number(property_names.size()));
 | 
						|
        generator.append(R"~~~(
 | 
						|
static constexpr Array<Span<CodePointRange const>, @size@> @name@ { {)~~~");
 | 
						|
 | 
						|
        for (auto const& property_name : property_names) {
 | 
						|
            generator.set("name", String::formatted(property_format, property_name));
 | 
						|
            generator.append(R"~~~(
 | 
						|
    @name@.span(),)~~~");
 | 
						|
        }
 | 
						|
 | 
						|
        generator.append(R"~~~(
 | 
						|
} };
 | 
						|
)~~~");
 | 
						|
    };
 | 
						|
 | 
						|
    append_prop_list("s_general_categories"sv, "s_general_category_{}"sv, unicode_data.general_categories);
 | 
						|
    append_prop_list("s_properties"sv, "s_property_{}"sv, unicode_data.prop_list);
 | 
						|
    append_prop_list("s_scripts"sv, "s_script_{}"sv, unicode_data.script_list);
 | 
						|
    append_prop_list("s_script_extensions"sv, "s_script_extension_{}"sv, unicode_data.script_extensions);
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
struct CodePointName {
 | 
						|
    CodePointRange code_point_range {};
 | 
						|
    StringView display_name;
 | 
						|
};
 | 
						|
 | 
						|
struct CodePointNameComparator : public CodePointRangeComparator {
 | 
						|
    constexpr int operator()(u32 code_point, CodePointName const& name)
 | 
						|
    {
 | 
						|
        return CodePointRangeComparator::operator()(code_point, name.code_point_range);
 | 
						|
    }
 | 
						|
};
 | 
						|
)~~~");
 | 
						|
 | 
						|
    generator.set("code_point_display_names_size", String::number(unicode_data.code_point_display_names.size()));
 | 
						|
    generator.append(R"~~~(
 | 
						|
static constexpr Array<CodePointName, @code_point_display_names_size@> s_code_point_display_names { {
 | 
						|
)~~~");
 | 
						|
    for (auto const& code_point_name : unicode_data.code_point_display_names) {
 | 
						|
        generator.set("first", String::formatted("{:#x}", code_point_name.code_point_range.first));
 | 
						|
        generator.set("last", String::formatted("{:#x}", code_point_name.code_point_range.last));
 | 
						|
        generator.set("name", code_point_name.name);
 | 
						|
        generator.append(R"~~~(    { { @first@, @last@ }, "@name@"sv },
 | 
						|
)~~~");
 | 
						|
    }
 | 
						|
    generator.append(R"~~~(} };
 | 
						|
)~~~");
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
Optional<String> code_point_display_name(u32 code_point)
 | 
						|
{
 | 
						|
    if (auto const* entry = binary_search(s_code_point_display_names, code_point, nullptr, CodePointNameComparator {})) {
 | 
						|
        if (entry->display_name.ends_with("{:X}"sv))
 | 
						|
            return String::formatted(entry->display_name, code_point);
 | 
						|
 | 
						|
        return entry->display_name;
 | 
						|
    }
 | 
						|
 | 
						|
    return {};
 | 
						|
}
 | 
						|
)~~~");
 | 
						|
 | 
						|
    auto append_code_point_mapping_search = [&](StringView method, StringView mappings, StringView fallback) {
 | 
						|
        generator.set("method", method);
 | 
						|
        generator.set("mappings", mappings);
 | 
						|
        generator.set("fallback", fallback);
 | 
						|
        generator.append(R"~~~(
 | 
						|
u32 @method@(u32 code_point)
 | 
						|
{
 | 
						|
    auto const* mapping = binary_search(@mappings@, code_point, nullptr, CodePointComparator<CodePointMapping> {});
 | 
						|
    return mapping ? mapping->mapping : @fallback@;
 | 
						|
}
 | 
						|
)~~~");
 | 
						|
    };
 | 
						|
 | 
						|
    append_code_point_mapping_search("canonical_combining_class"sv, "s_combining_class_mappings"sv, "0"sv);
 | 
						|
    append_code_point_mapping_search("to_unicode_uppercase"sv, "s_uppercase_mappings"sv, "code_point"sv);
 | 
						|
    append_code_point_mapping_search("to_unicode_lowercase"sv, "s_lowercase_mappings"sv, "code_point"sv);
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
Span<SpecialCasing const* const> special_case_mapping(u32 code_point)
 | 
						|
{
 | 
						|
    auto const* mapping = binary_search(s_special_case_mappings, code_point, nullptr, CodePointComparator<SpecialCaseMapping> {});
 | 
						|
    if (mapping == nullptr)
 | 
						|
        return {};
 | 
						|
 | 
						|
    return mapping->special_casing.span().slice(0, mapping->special_casing_size);
 | 
						|
}
 | 
						|
 | 
						|
Optional<StringView> code_point_abbreviation(u32 code_point)
 | 
						|
{
 | 
						|
    auto const* mapping = binary_search(s_abbreviation_mappings, code_point, nullptr, CodePointComparator<CodePointAbbreviation> {});
 | 
						|
    if (mapping == nullptr)
 | 
						|
        return {};
 | 
						|
 | 
						|
    return mapping->abbreviation;
 | 
						|
}
 | 
						|
)~~~");
 | 
						|
 | 
						|
    auto append_prop_search = [&](StringView enum_title, StringView enum_snake, StringView collection_name) {
 | 
						|
        generator.set("enum_title", enum_title);
 | 
						|
        generator.set("enum_snake", enum_snake);
 | 
						|
        generator.set("collection_name", collection_name);
 | 
						|
        generator.append(R"~~~(
 | 
						|
bool code_point_has_@enum_snake@(u32 code_point, @enum_title@ @enum_snake@)
 | 
						|
{
 | 
						|
    auto index = static_cast<@enum_title@UnderlyingType>(@enum_snake@);
 | 
						|
    auto const& ranges = @collection_name@.at(index);
 | 
						|
 | 
						|
    auto const* range = binary_search(ranges, code_point, nullptr, CodePointRangeComparator {});
 | 
						|
    return range != nullptr;
 | 
						|
}
 | 
						|
)~~~");
 | 
						|
    };
 | 
						|
 | 
						|
    auto append_from_string = [&](StringView enum_title, StringView enum_snake, PropList const& prop_list, Vector<Alias> const& aliases) {
 | 
						|
        HashValueMap<StringView> hashes;
 | 
						|
        hashes.ensure_capacity(prop_list.size() + aliases.size());
 | 
						|
 | 
						|
        for (auto const& prop : prop_list)
 | 
						|
            hashes.set(prop.key.hash(), prop.key);
 | 
						|
        for (auto const& alias : aliases)
 | 
						|
            hashes.set(alias.alias.hash(), alias.alias);
 | 
						|
 | 
						|
        generate_value_from_string(generator, "{}_from_string"sv, enum_title, enum_snake, move(hashes));
 | 
						|
    };
 | 
						|
 | 
						|
    append_prop_search("GeneralCategory"sv, "general_category"sv, "s_general_categories"sv);
 | 
						|
    append_from_string("GeneralCategory"sv, "general_category"sv, unicode_data.general_categories, unicode_data.general_category_aliases);
 | 
						|
 | 
						|
    append_prop_search("Property"sv, "property"sv, "s_properties"sv);
 | 
						|
    append_from_string("Property"sv, "property"sv, unicode_data.prop_list, unicode_data.prop_aliases);
 | 
						|
 | 
						|
    append_prop_search("Script"sv, "script"sv, "s_scripts"sv);
 | 
						|
    append_prop_search("Script"sv, "script_extension"sv, "s_script_extensions"sv);
 | 
						|
    append_from_string("Script"sv, "script"sv, unicode_data.script_list, unicode_data.script_aliases);
 | 
						|
 | 
						|
    generator.append(R"~~~(
 | 
						|
}
 | 
						|
)~~~");
 | 
						|
 | 
						|
    VERIFY(file.write(generator.as_string_view()));
 | 
						|
}
 | 
						|
 | 
						|
static Vector<u32> flatten_code_point_ranges(Vector<CodePointRange> const& code_points)
 | 
						|
{
 | 
						|
    Vector<u32> flattened;
 | 
						|
 | 
						|
    for (auto const& range : code_points) {
 | 
						|
        flattened.grow_capacity(range.last - range.first);
 | 
						|
        for (u32 code_point = range.first; code_point <= range.last; ++code_point)
 | 
						|
            flattened.append(code_point);
 | 
						|
    }
 | 
						|
 | 
						|
    return flattened;
 | 
						|
}
 | 
						|
 | 
						|
static Vector<CodePointRange> form_code_point_ranges(Vector<u32> code_points)
 | 
						|
{
 | 
						|
    Vector<CodePointRange> ranges;
 | 
						|
 | 
						|
    u32 range_start = code_points[0];
 | 
						|
    u32 range_end = range_start;
 | 
						|
 | 
						|
    for (size_t i = 1; i < code_points.size(); ++i) {
 | 
						|
        u32 code_point = code_points[i];
 | 
						|
 | 
						|
        if ((code_point - range_end) == 1) {
 | 
						|
            range_end = code_point;
 | 
						|
        } else {
 | 
						|
            ranges.append({ range_start, range_end });
 | 
						|
            range_start = code_point;
 | 
						|
            range_end = code_point;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    ranges.append({ range_start, range_end });
 | 
						|
    return ranges;
 | 
						|
}
 | 
						|
 | 
						|
static void sort_and_merge_code_point_ranges(Vector<CodePointRange>& code_points)
 | 
						|
{
 | 
						|
    quick_sort(code_points, [](auto const& range1, auto const& range2) {
 | 
						|
        return range1.first < range2.first;
 | 
						|
    });
 | 
						|
 | 
						|
    for (size_t i = 0; i < code_points.size() - 1;) {
 | 
						|
        if (code_points[i].last >= code_points[i + 1].first) {
 | 
						|
            code_points[i].last = max(code_points[i].last, code_points[i + 1].last);
 | 
						|
            code_points.remove(i + 1);
 | 
						|
        } else {
 | 
						|
            ++i;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    auto all_code_points = flatten_code_point_ranges(code_points);
 | 
						|
    code_points = form_code_point_ranges(all_code_points);
 | 
						|
}
 | 
						|
 | 
						|
static void populate_general_category_unions(PropList& general_categories)
 | 
						|
{
 | 
						|
    // The Unicode standard defines General Category values which are not in any UCD file. These
 | 
						|
    // values are simply unions of other values.
 | 
						|
    // https://www.unicode.org/reports/tr44/#GC_Values_Table
 | 
						|
    auto populate_union = [&](auto alias, auto categories) {
 | 
						|
        auto& code_points = general_categories.ensure(alias);
 | 
						|
        for (auto const& category : categories)
 | 
						|
            code_points.extend(general_categories.find(category)->value);
 | 
						|
 | 
						|
        sort_and_merge_code_point_ranges(code_points);
 | 
						|
    };
 | 
						|
 | 
						|
    populate_union("LC"sv, Array { "Ll"sv, "Lu"sv, "Lt"sv });
 | 
						|
    populate_union("L"sv, Array { "Lu"sv, "Ll"sv, "Lt"sv, "Lm"sv, "Lo"sv });
 | 
						|
    populate_union("M"sv, Array { "Mn"sv, "Mc"sv, "Me"sv });
 | 
						|
    populate_union("N"sv, Array { "Nd"sv, "Nl"sv, "No"sv });
 | 
						|
    populate_union("P"sv, Array { "Pc"sv, "Pd"sv, "Ps"sv, "Pe"sv, "Pi"sv, "Pf"sv, "Po"sv });
 | 
						|
    populate_union("S"sv, Array { "Sm"sv, "Sc"sv, "Sk"sv, "So"sv });
 | 
						|
    populate_union("Z"sv, Array { "Zs"sv, "Zl"sv, "Zp"sv });
 | 
						|
    populate_union("C"sv, Array { "Cc"sv, "Cf"sv, "Cs"sv, "Co"sv, "Cn"sv });
 | 
						|
}
 | 
						|
 | 
						|
static void normalize_script_extensions(PropList& script_extensions, PropList const& script_list, Vector<Alias> const& script_aliases)
 | 
						|
{
 | 
						|
    // The ScriptExtensions UCD file lays out its code point ranges rather uniquely compared to
 | 
						|
    // other files. The Script listed on each line may either be a full Script string or an aliased
 | 
						|
    // abbreviation. Further, the extensions may or may not include the base Script list. Normalize
 | 
						|
    // the extensions here to be keyed by the full Script name and always include the base list.
 | 
						|
    auto extensions = move(script_extensions);
 | 
						|
    script_extensions = script_list;
 | 
						|
 | 
						|
    for (auto const& extension : extensions) {
 | 
						|
        auto it = find_if(script_aliases.begin(), script_aliases.end(), [&](auto const& alias) { return extension.key == alias.alias; });
 | 
						|
        auto const& key = (it == script_aliases.end()) ? extension.key : it->name;
 | 
						|
 | 
						|
        auto& code_points = script_extensions.find(key)->value;
 | 
						|
        code_points.extend(extension.value);
 | 
						|
 | 
						|
        sort_and_merge_code_point_ranges(code_points);
 | 
						|
    }
 | 
						|
 | 
						|
    // Lastly, the Common and Inherited script extensions are special. They must not contain any
 | 
						|
    // code points which appear in other script extensions. The ScriptExtensions UCD file does not
 | 
						|
    // list these extensions, therefore this peculiarity must be handled programmatically.
 | 
						|
    // https://www.unicode.org/reports/tr24/#Assignment_ScriptX_Values
 | 
						|
    auto code_point_has_other_extension = [&](StringView key, u32 code_point) {
 | 
						|
        for (auto const& extension : extensions) {
 | 
						|
            if (extension.key == key)
 | 
						|
                continue;
 | 
						|
            if (any_of(extension.value, [&](auto const& r) { return (r.first <= code_point) && (code_point <= r.last); }))
 | 
						|
                return true;
 | 
						|
        }
 | 
						|
 | 
						|
        return false;
 | 
						|
    };
 | 
						|
 | 
						|
    auto get_code_points_without_other_extensions = [&](StringView key) {
 | 
						|
        auto code_points = flatten_code_point_ranges(script_list.find(key)->value);
 | 
						|
        code_points.remove_all_matching([&](u32 c) { return code_point_has_other_extension(key, c); });
 | 
						|
        return code_points;
 | 
						|
    };
 | 
						|
 | 
						|
    auto common_code_points = get_code_points_without_other_extensions("Common"sv);
 | 
						|
    script_extensions.set("Common"sv, form_code_point_ranges(common_code_points));
 | 
						|
 | 
						|
    auto inherited_code_points = get_code_points_without_other_extensions("Inherited"sv);
 | 
						|
    script_extensions.set("Inherited"sv, form_code_point_ranges(inherited_code_points));
 | 
						|
}
 | 
						|
 | 
						|
ErrorOr<int> serenity_main(Main::Arguments arguments)
 | 
						|
{
 | 
						|
    StringView generated_header_path;
 | 
						|
    StringView generated_implementation_path;
 | 
						|
    StringView unicode_data_path;
 | 
						|
    StringView special_casing_path;
 | 
						|
    StringView derived_general_category_path;
 | 
						|
    StringView prop_list_path;
 | 
						|
    StringView derived_core_prop_path;
 | 
						|
    StringView derived_binary_prop_path;
 | 
						|
    StringView prop_alias_path;
 | 
						|
    StringView prop_value_alias_path;
 | 
						|
    StringView name_alias_path;
 | 
						|
    StringView scripts_path;
 | 
						|
    StringView script_extensions_path;
 | 
						|
    StringView emoji_data_path;
 | 
						|
    StringView normalization_path;
 | 
						|
 | 
						|
    Core::ArgsParser args_parser;
 | 
						|
    args_parser.add_option(generated_header_path, "Path to the Unicode Data header file to generate", "generated-header-path", 'h', "generated-header-path");
 | 
						|
    args_parser.add_option(generated_implementation_path, "Path to the Unicode Data implementation file to generate", "generated-implementation-path", 'c', "generated-implementation-path");
 | 
						|
    args_parser.add_option(unicode_data_path, "Path to UnicodeData.txt file", "unicode-data-path", 'u', "unicode-data-path");
 | 
						|
    args_parser.add_option(special_casing_path, "Path to SpecialCasing.txt file", "special-casing-path", 's', "special-casing-path");
 | 
						|
    args_parser.add_option(derived_general_category_path, "Path to DerivedGeneralCategory.txt file", "derived-general-category-path", 'g', "derived-general-category-path");
 | 
						|
    args_parser.add_option(prop_list_path, "Path to PropList.txt file", "prop-list-path", 'p', "prop-list-path");
 | 
						|
    args_parser.add_option(derived_core_prop_path, "Path to DerivedCoreProperties.txt file", "derived-core-prop-path", 'd', "derived-core-prop-path");
 | 
						|
    args_parser.add_option(derived_binary_prop_path, "Path to DerivedBinaryProperties.txt file", "derived-binary-prop-path", 'b', "derived-binary-prop-path");
 | 
						|
    args_parser.add_option(prop_alias_path, "Path to PropertyAliases.txt file", "prop-alias-path", 'a', "prop-alias-path");
 | 
						|
    args_parser.add_option(prop_value_alias_path, "Path to PropertyValueAliases.txt file", "prop-value-alias-path", 'v', "prop-value-alias-path");
 | 
						|
    args_parser.add_option(name_alias_path, "Path to NameAliases.txt file", "name-alias-path", 'm', "name-alias-path");
 | 
						|
    args_parser.add_option(scripts_path, "Path to Scripts.txt file", "scripts-path", 'r', "scripts-path");
 | 
						|
    args_parser.add_option(script_extensions_path, "Path to ScriptExtensions.txt file", "script-extensions-path", 'x', "script-extensions-path");
 | 
						|
    args_parser.add_option(emoji_data_path, "Path to emoji-data.txt file", "emoji-data-path", 'e', "emoji-data-path");
 | 
						|
    args_parser.add_option(normalization_path, "Path to DerivedNormalizationProps.txt file", "normalization-path", 'n', "normalization-path");
 | 
						|
    args_parser.parse(arguments);
 | 
						|
 | 
						|
    auto open_file = [&](StringView path, Core::OpenMode mode = Core::OpenMode::ReadOnly) -> ErrorOr<NonnullRefPtr<Core::File>> {
 | 
						|
        if (path.is_empty()) {
 | 
						|
            args_parser.print_usage(stderr, arguments.argv[0]);
 | 
						|
            return Error::from_string_literal("Must provide all command line options"sv);
 | 
						|
        }
 | 
						|
 | 
						|
        return Core::File::open(path, mode);
 | 
						|
    };
 | 
						|
 | 
						|
    auto generated_header_file = TRY(open_file(generated_header_path, Core::OpenMode::ReadWrite));
 | 
						|
    auto generated_implementation_file = TRY(open_file(generated_implementation_path, Core::OpenMode::ReadWrite));
 | 
						|
    auto unicode_data_file = TRY(open_file(unicode_data_path));
 | 
						|
    auto derived_general_category_file = TRY(open_file(derived_general_category_path));
 | 
						|
    auto special_casing_file = TRY(open_file(special_casing_path));
 | 
						|
    auto prop_list_file = TRY(open_file(prop_list_path));
 | 
						|
    auto derived_core_prop_file = TRY(open_file(derived_core_prop_path));
 | 
						|
    auto derived_binary_prop_file = TRY(open_file(derived_binary_prop_path));
 | 
						|
    auto prop_alias_file = TRY(open_file(prop_alias_path));
 | 
						|
    auto prop_value_alias_file = TRY(open_file(prop_value_alias_path));
 | 
						|
    auto name_alias_file = TRY(open_file(name_alias_path));
 | 
						|
    auto scripts_file = TRY(open_file(scripts_path));
 | 
						|
    auto script_extensions_file = TRY(open_file(script_extensions_path));
 | 
						|
    auto emoji_data_file = TRY(open_file(emoji_data_path));
 | 
						|
    auto normalization_file = TRY(open_file(normalization_path));
 | 
						|
 | 
						|
    UnicodeData unicode_data {};
 | 
						|
    parse_special_casing(special_casing_file, unicode_data);
 | 
						|
    parse_prop_list(derived_general_category_file, unicode_data.general_categories);
 | 
						|
    parse_prop_list(prop_list_file, unicode_data.prop_list);
 | 
						|
    parse_prop_list(derived_core_prop_file, unicode_data.prop_list);
 | 
						|
    parse_prop_list(derived_binary_prop_file, unicode_data.prop_list);
 | 
						|
    parse_prop_list(emoji_data_file, unicode_data.prop_list);
 | 
						|
    parse_normalization_props(normalization_file, unicode_data);
 | 
						|
    parse_alias_list(prop_alias_file, unicode_data.prop_list, unicode_data.prop_aliases);
 | 
						|
    parse_prop_list(scripts_file, unicode_data.script_list);
 | 
						|
    parse_prop_list(script_extensions_file, unicode_data.script_extensions, true);
 | 
						|
    parse_name_aliases(name_alias_file, unicode_data);
 | 
						|
 | 
						|
    populate_general_category_unions(unicode_data.general_categories);
 | 
						|
    parse_unicode_data(unicode_data_file, unicode_data);
 | 
						|
    parse_value_alias_list(prop_value_alias_file, "gc"sv, unicode_data.general_categories.keys(), unicode_data.general_category_aliases);
 | 
						|
    parse_value_alias_list(prop_value_alias_file, "sc"sv, unicode_data.script_list.keys(), unicode_data.script_aliases, false);
 | 
						|
    normalize_script_extensions(unicode_data.script_extensions, unicode_data.script_list, unicode_data.script_aliases);
 | 
						|
 | 
						|
    generate_unicode_data_header(generated_header_file, unicode_data);
 | 
						|
    generate_unicode_data_implementation(generated_implementation_file, unicode_data);
 | 
						|
 | 
						|
    return 0;
 | 
						|
}
 |