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ladybird/Meta/CMake/unicode_data.cmake
Timothy Flynn ea78bac36d LibUnicode: Parse and generate per-locale plural rules from the CLDR 
Plural rules in the CLDR are of the form:

"cs": {
    "pluralRule-count-one": "i = 1 and v = 0 @integer 1",
    "pluralRule-count-few": "i = 2..4 and v = 0 @integer 2~4",
    "pluralRule-count-many": "v != 0 @decimal 0.0~1.5, 10.0, 100.0 ...",
    "pluralRule-count-other": "@integer 0, 5~19, 100, 1000, 10000 ..."
}

The syntax is described here:
https://unicode.org/reports/tr35/tr35-numbers.html#Plural_rules_syntax

There are up to 2 sets of rules for each locale, a cardinal set and an
ordinal set. The approach here is to generate a C++ function for each
set of rules. Each condition in the rules (e.g. "i = 1 and v = 0") is
transpiled to a C++ if-statement within its function. Then lookup tables
are generated to match locales to their generated functions.

NOTE: -Wno-parentheses-equality is added to the LibUnicodeData compile
flags because the generated plural rules have lots of extra parentheses
(because e.g. we need to selectively negate and combine rules). The code
to generate only exactly the right number of parentheses is quite hairy,
so this just tells the compiler to ignore the extras.
2022-07-08 11:51:54 +02:00

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include(${CMAKE_CURRENT_LIST_DIR}/utils.cmake)
set(UCD_VERSION 14.0.0)
set(CLDR_VERSION 41.0.0)
set(UCD_PATH "${CMAKE_BINARY_DIR}/UCD" CACHE PATH "Download location for UCD files")
set(CLDR_PATH "${CMAKE_BINARY_DIR}/CLDR" CACHE PATH "Download location for CLDR files")
set(UCD_VERSION_FILE "${UCD_PATH}/version.txt")
set(CLDR_VERSION_FILE "${CLDR_PATH}/version.txt")
set(UCD_ZIP_URL "https://www.unicode.org/Public/${UCD_VERSION}/ucd/UCD.zip")
set(UCD_ZIP_PATH "${UCD_PATH}/UCD.zip")
set(UNICODE_DATA_SOURCE "UnicodeData.txt")
set(UNICODE_DATA_PATH "${UCD_PATH}/${UNICODE_DATA_SOURCE}")
set(SPECIAL_CASING_SOURCE "SpecialCasing.txt")
set(SPECIAL_CASING_PATH "${UCD_PATH}/${SPECIAL_CASING_SOURCE}")
set(DERIVED_GENERAL_CATEGORY_SOURCE "extracted/DerivedGeneralCategory.txt")
set(DERIVED_GENERAL_CATEGORY_PATH "${UCD_PATH}/${DERIVED_GENERAL_CATEGORY_SOURCE}")
set(PROP_LIST_SOURCE "PropList.txt")
set(PROP_LIST_PATH "${UCD_PATH}/${PROP_LIST_SOURCE}")
set(DERIVED_CORE_PROP_SOURCE "DerivedCoreProperties.txt")
set(DERIVED_CORE_PROP_PATH "${UCD_PATH}/${DERIVED_CORE_PROP_SOURCE}")
set(DERIVED_BINARY_PROP_SOURCE "extracted/DerivedBinaryProperties.txt")
set(DERIVED_BINARY_PROP_PATH "${UCD_PATH}/${DERIVED_BINARY_PROP_SOURCE}")
set(PROP_ALIAS_SOURCE "PropertyAliases.txt")
set(PROP_ALIAS_PATH "${UCD_PATH}/${PROP_ALIAS_SOURCE}")
set(PROP_VALUE_ALIAS_SOURCE "PropertyValueAliases.txt")
set(PROP_VALUE_ALIAS_PATH "${UCD_PATH}/${PROP_VALUE_ALIAS_SOURCE}")
set(NAME_ALIAS_SOURCE "NameAliases.txt")
set(NAME_ALIAS_PATH "${UCD_PATH}/${NAME_ALIAS_SOURCE}")
set(SCRIPTS_SOURCE "Scripts.txt")
set(SCRIPTS_PATH "${UCD_PATH}/${SCRIPTS_SOURCE}")
set(SCRIPT_EXTENSIONS_SOURCE "ScriptExtensions.txt")
set(SCRIPT_EXTENSIONS_PATH "${UCD_PATH}/${SCRIPT_EXTENSIONS_SOURCE}")
set(BLOCKS_SOURCE "Blocks.txt")
set(BLOCKS_PATH "${UCD_PATH}/${BLOCKS_SOURCE}")
set(EMOJI_DATA_SOURCE "emoji/emoji-data.txt")
set(EMOJI_DATA_PATH "${UCD_PATH}/${EMOJI_DATA_SOURCE}")
set(NORM_PROPS_SOURCE "DerivedNormalizationProps.txt")
set(NORM_PROPS_PATH "${UCD_PATH}/${NORM_PROPS_SOURCE}")
set(GRAPHEME_BREAK_PROP_SOURCE "auxiliary/GraphemeBreakProperty.txt")
set(GRAPHEME_BREAK_PROP_PATH "${UCD_PATH}/${GRAPHEME_BREAK_PROP_SOURCE}")
set(WORD_BREAK_PROP_SOURCE "auxiliary/WordBreakProperty.txt")
set(WORD_BREAK_PROP_PATH "${UCD_PATH}/${WORD_BREAK_PROP_SOURCE}")
set(SENTENCE_BREAK_PROP_SOURCE "auxiliary/SentenceBreakProperty.txt")
set(SENTENCE_BREAK_PROP_PATH "${UCD_PATH}/${SENTENCE_BREAK_PROP_SOURCE}")
set(CLDR_ZIP_URL "https://github.com/unicode-org/cldr-json/releases/download/${CLDR_VERSION}/cldr-${CLDR_VERSION}-json-modern.zip")
set(CLDR_ZIP_PATH "${CLDR_PATH}/cldr.zip")
set(CLDR_BCP47_SOURCE cldr-bcp47)
set(CLDR_BCP47_PATH "${CLDR_PATH}/${CLDR_BCP47_SOURCE}")
set(CLDR_CORE_SOURCE cldr-core)
set(CLDR_CORE_PATH "${CLDR_PATH}/${CLDR_CORE_SOURCE}")
set(CLDR_DATES_SOURCE cldr-dates-modern)
set(CLDR_DATES_PATH "${CLDR_PATH}/${CLDR_DATES_SOURCE}")
set(CLDR_LOCALES_SOURCE cldr-localenames-modern)
set(CLDR_LOCALES_PATH "${CLDR_PATH}/${CLDR_LOCALES_SOURCE}")
set(CLDR_MISC_SOURCE cldr-misc-modern)
set(CLDR_MISC_PATH "${CLDR_PATH}/${CLDR_MISC_SOURCE}")
set(CLDR_NUMBERS_SOURCE cldr-numbers-modern)
set(CLDR_NUMBERS_PATH "${CLDR_PATH}/${CLDR_NUMBERS_SOURCE}")
set(CLDR_UNITS_SOURCE cldr-units-modern)
set(CLDR_UNITS_PATH "${CLDR_PATH}/${CLDR_UNITS_SOURCE}")
function(extract_path dest_dir zip_path source_path dest_path)
if (EXISTS "${zip_path}" AND NOT EXISTS "${dest_path}")
message(STATUS "Extracting ${source_path} from ${zip_path}")
execute_process(COMMAND "${UNZIP_TOOL}" -q "${zip_path}" "${source_path}" -d "${dest_dir}" RESULT_VARIABLE unzip_result)
if (NOT unzip_result EQUAL 0)
message(FATAL_ERROR "Failed to unzip ${source_path} from ${zip_path} with status ${unzip_result}")
endif()
endif()
endfunction()
if (ENABLE_UNICODE_DATABASE_DOWNLOAD)
remove_path_if_version_changed("${UCD_VERSION}" "${UCD_VERSION_FILE}" "${UCD_PATH}")
remove_path_if_version_changed("${CLDR_VERSION}" "${CLDR_VERSION_FILE}" "${CLDR_PATH}")
download_file("${UCD_ZIP_URL}" "${UCD_ZIP_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${UNICODE_DATA_SOURCE}" "${UNICODE_DATA_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${SPECIAL_CASING_SOURCE}" "${SPECIAL_CASING_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${DERIVED_GENERAL_CATEGORY_SOURCE}" "${DERIVED_GENERAL_CATEGORY_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${PROP_LIST_SOURCE}" "${PROP_LIST_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${DERIVED_CORE_PROP_SOURCE}" "${DERIVED_CORE_PROP_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${DERIVED_BINARY_PROP_SOURCE}" "${DERIVED_BINARY_PROP_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${PROP_ALIAS_SOURCE}" "${PROP_ALIAS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${PROP_VALUE_ALIAS_SOURCE}" "${PROP_VALUE_ALIAS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${NAME_ALIAS_SOURCE}" "${NAME_ALIAS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${SCRIPTS_SOURCE}" "${SCRIPTS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${SCRIPT_EXTENSIONS_SOURCE}" "${SCRIPT_EXTENSIONS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${BLOCKS_SOURCE}" "${BLOCKS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${EMOJI_DATA_SOURCE}" "${EMOJI_DATA_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${NORM_PROPS_SOURCE}" "${NORM_PROPS_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${GRAPHEME_BREAK_PROP_SOURCE}" "${GRAPHEME_BREAK_PROP_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${WORD_BREAK_PROP_SOURCE}" "${WORD_BREAK_PROP_PATH}")
extract_path("${UCD_PATH}" "${UCD_ZIP_PATH}" "${SENTENCE_BREAK_PROP_SOURCE}" "${SENTENCE_BREAK_PROP_PATH}")
download_file("${CLDR_ZIP_URL}" "${CLDR_ZIP_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_BCP47_SOURCE}/**" "${CLDR_BCP47_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_CORE_SOURCE}/**" "${CLDR_CORE_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_DATES_SOURCE}/**" "${CLDR_DATES_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_LOCALES_SOURCE}/**" "${CLDR_LOCALES_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_MISC_SOURCE}/**" "${CLDR_MISC_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_NUMBERS_SOURCE}/**" "${CLDR_NUMBERS_PATH}")
extract_path("${CLDR_PATH}" "${CLDR_ZIP_PATH}" "${CLDR_UNITS_SOURCE}/**" "${CLDR_UNITS_PATH}")
set(UNICODE_DATA_HEADER LibUnicode/UnicodeData.h)
set(UNICODE_DATA_IMPLEMENTATION LibUnicode/UnicodeData.cpp)
set(UNICODE_DATE_TIME_FORMAT_HEADER LibUnicode/UnicodeDateTimeFormat.h)
set(UNICODE_DATE_TIME_FORMAT_IMPLEMENTATION LibUnicode/UnicodeDateTimeFormat.cpp)
set(UNICODE_LOCALE_HEADER LibUnicode/UnicodeLocale.h)
set(UNICODE_LOCALE_IMPLEMENTATION LibUnicode/UnicodeLocale.cpp)
set(UNICODE_NUMBER_FORMAT_HEADER LibUnicode/UnicodeNumberFormat.h)
set(UNICODE_NUMBER_FORMAT_IMPLEMENTATION LibUnicode/UnicodeNumberFormat.cpp)
set(UNICODE_PLURAL_RULES_HEADER LibUnicode/UnicodePluralRules.h)
set(UNICODE_PLURAL_RULES_IMPLEMENTATION LibUnicode/UnicodePluralRules.cpp)
set(UNICODE_RELATIVE_TIME_FORMAT_HEADER LibUnicode/UnicodeRelativeTimeFormat.h)
set(UNICODE_RELATIVE_TIME_FORMAT_IMPLEMENTATION LibUnicode/UnicodeRelativeTimeFormat.cpp)
set(UNICODE_META_TARGET_PREFIX LibUnicode_)
if (CMAKE_CURRENT_BINARY_DIR MATCHES ".*/LibUnicode") # Serenity build.
set(UNICODE_DATA_HEADER UnicodeData.h)
set(UNICODE_DATA_IMPLEMENTATION UnicodeData.cpp)
set(UNICODE_DATE_TIME_FORMAT_HEADER UnicodeDateTimeFormat.h)
set(UNICODE_DATE_TIME_FORMAT_IMPLEMENTATION UnicodeDateTimeFormat.cpp)
set(UNICODE_LOCALE_HEADER UnicodeLocale.h)
set(UNICODE_LOCALE_IMPLEMENTATION UnicodeLocale.cpp)
set(UNICODE_NUMBER_FORMAT_HEADER UnicodeNumberFormat.h)
set(UNICODE_NUMBER_FORMAT_IMPLEMENTATION UnicodeNumberFormat.cpp)
set(UNICODE_PLURAL_RULES_HEADER UnicodePluralRules.h)
set(UNICODE_PLURAL_RULES_IMPLEMENTATION UnicodePluralRules.cpp)
set(UNICODE_RELATIVE_TIME_FORMAT_HEADER UnicodeRelativeTimeFormat.h)
set(UNICODE_RELATIVE_TIME_FORMAT_IMPLEMENTATION UnicodeRelativeTimeFormat.cpp)
set(UNICODE_META_TARGET_PREFIX "")
endif()
invoke_generator(
"UnicodeData"
Lagom::GenerateUnicodeData
"${UCD_VERSION_FILE}"
"${UNICODE_META_TARGET_PREFIX}"
"${UNICODE_DATA_HEADER}"
"${UNICODE_DATA_IMPLEMENTATION}"
arguments -u "${UNICODE_DATA_PATH}" -s "${SPECIAL_CASING_PATH}" -g "${DERIVED_GENERAL_CATEGORY_PATH}" -p "${PROP_LIST_PATH}" -d "${DERIVED_CORE_PROP_PATH}" -b "${DERIVED_BINARY_PROP_PATH}" -a "${PROP_ALIAS_PATH}" -v "${PROP_VALUE_ALIAS_PATH}" -r "${SCRIPTS_PATH}" -x "${SCRIPT_EXTENSIONS_PATH}" -k "${BLOCKS_PATH}" -e "${EMOJI_DATA_PATH}" -m "${NAME_ALIAS_PATH}" -n "${NORM_PROPS_PATH}" -f "${GRAPHEME_BREAK_PROP_PATH}" -w "${WORD_BREAK_PROP_PATH}" -i "${SENTENCE_BREAK_PROP_PATH}"
)
invoke_generator(
"UnicodeDateTimeFormat"
Lagom::GenerateUnicodeDateTimeFormat
"${CLDR_VERSION_FILE}"
"${UNICODE_META_TARGET_PREFIX}"
"${UNICODE_DATE_TIME_FORMAT_HEADER}"
"${UNICODE_DATE_TIME_FORMAT_IMPLEMENTATION}"
arguments -r "${CLDR_CORE_PATH}" -d "${CLDR_DATES_PATH}"
)
invoke_generator(
"UnicodeLocale"
Lagom::GenerateUnicodeLocale
"${CLDR_VERSION_FILE}"
"${UNICODE_META_TARGET_PREFIX}"
"${UNICODE_LOCALE_HEADER}"
"${UNICODE_LOCALE_IMPLEMENTATION}"
arguments -b "${CLDR_BCP47_PATH}" -r "${CLDR_CORE_PATH}" -l "${CLDR_LOCALES_PATH}" -m "${CLDR_MISC_PATH}" -n "${CLDR_NUMBERS_PATH}" -d "${CLDR_DATES_PATH}"
)
invoke_generator(
"UnicodeNumberFormat"
Lagom::GenerateUnicodeNumberFormat
"${CLDR_VERSION_FILE}"
"${UNICODE_META_TARGET_PREFIX}"
"${UNICODE_NUMBER_FORMAT_HEADER}"
"${UNICODE_NUMBER_FORMAT_IMPLEMENTATION}"
arguments -r "${CLDR_CORE_PATH}" -n "${CLDR_NUMBERS_PATH}" -u "${CLDR_UNITS_PATH}"
)
invoke_generator(
"UnicodePluralRules"
Lagom::GenerateUnicodePluralRules
"${CLDR_VERSION_FILE}"
"${UNICODE_META_TARGET_PREFIX}"
"${UNICODE_PLURAL_RULES_HEADER}"
"${UNICODE_PLURAL_RULES_IMPLEMENTATION}"
arguments -r "${CLDR_CORE_PATH}" -l "${CLDR_LOCALES_PATH}"
)
invoke_generator(
"UnicodeRelativeTimeFormat"
Lagom::GenerateUnicodeRelativeTimeFormat
"${CLDR_VERSION_FILE}"
"${UNICODE_META_TARGET_PREFIX}"
"${UNICODE_RELATIVE_TIME_FORMAT_HEADER}"
"${UNICODE_RELATIVE_TIME_FORMAT_IMPLEMENTATION}"
arguments -d "${CLDR_DATES_PATH}"
)
set(UNICODE_DATA_SOURCES
${UNICODE_DATA_HEADER}
${UNICODE_DATA_IMPLEMENTATION}
${UNICODE_DATE_TIME_FORMAT_HEADER}
${UNICODE_DATE_TIME_FORMAT_IMPLEMENTATION}
${UNICODE_LOCALE_HEADER}
${UNICODE_LOCALE_IMPLEMENTATION}
${UNICODE_NUMBER_FORMAT_HEADER}
${UNICODE_NUMBER_FORMAT_IMPLEMENTATION}
${UNICODE_PLURAL_RULES_HEADER}
${UNICODE_PLURAL_RULES_IMPLEMENTATION}
${UNICODE_RELATIVE_TIME_FORMAT_HEADER}
${UNICODE_RELATIVE_TIME_FORMAT_IMPLEMENTATION}
)
endif()
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