/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @file language.h Information about languages and their files. */ #ifndef LANGUAGE_H #define LANGUAGE_H #include "core/smallvec_type.hpp" #ifdef WITH_ICU #include <unicode/coll.h> #endif /* WITH_ICU */ static const uint8 CASE_GENDER_LEN = 16; ///< The (maximum) length of a case/gender string. static const uint8 MAX_NUM_GENDERS = 8; ///< Maximum number of supported genders. static const uint8 MAX_NUM_CASES = 16; ///< Maximum number of supported cases. static const uint TAB_SIZE_OFFSET = 0; ///< The offset for the tab size. static const uint TAB_SIZE_BITS = 11; ///< The number of bits used for the tab size. static const uint TAB_SIZE = 1 << TAB_SIZE_BITS; ///< The number of values in a tab. static const uint TAB_COUNT_OFFSET = TAB_SIZE_BITS; ///< The offset for the tab count. static const uint TAB_COUNT_BITS = 5; ///< The number of bits used for the amount of tabs. static const uint TAB_COUNT = 1 << TAB_COUNT_BITS; ///< The amount of tabs. /** Header of a language file. */ struct LanguagePackHeader { static const uint32 IDENT = 0x474E414C; ///< Identifier for OpenTTD language files, big endian for "LANG" uint32 ident; ///< 32-bits identifier uint32 version; ///< 32-bits of auto generated version info which is basically a hash of strings.h char name[32]; ///< the international name of this language char own_name[32]; ///< the localized name of this language char isocode[16]; ///< the ISO code for the language (not country code) uint16 offsets[TAB_COUNT]; ///< the offsets /** Thousand separator used for anything not currencies */ char digit_group_separator[8]; /** Thousand separator used for currencies */ char digit_group_separator_currency[8]; /** Decimal separator */ char digit_decimal_separator[8]; uint16 missing; ///< number of missing strings. byte plural_form; ///< plural form index byte text_dir; ///< default direction of the text /** * Windows language ID: * Windows cannot and will not convert isocodes to something it can use to * determine whether a font can be used for the language or not. As a result * of that we need to pass the language id via strgen to OpenTTD to tell * what language it is in "Windows". The ID is the 'locale identifier' on: * http://msdn.microsoft.com/en-us/library/ms776294.aspx */ uint16 winlangid; ///< windows language id uint8 newgrflangid; ///< newgrf language id uint8 num_genders; ///< the number of genders of this language uint8 num_cases; ///< the number of cases of this language byte pad[3]; ///< pad header to be a multiple of 4 char genders[MAX_NUM_GENDERS][CASE_GENDER_LEN]; ///< the genders used by this translation char cases[MAX_NUM_CASES][CASE_GENDER_LEN]; ///< the cases used by this translation bool IsValid() const; /** * Get the index for the given gender. * @param gender_str The string representation of the gender. * @return The index of the gender, or MAX_NUM_GENDERS when the gender is unknown. */ uint8 GetGenderIndex(const char *gender_str) const { for (uint8 i = 0; i < MAX_NUM_GENDERS; i++) { if (strcmp(gender_str, this->genders[i]) == 0) return i; } return MAX_NUM_GENDERS; } /** * Get the index for the given case. * @param case_str The string representation of the case. * @return The index of the case, or MAX_NUM_CASES when the case is unknown. */ uint8 GetCaseIndex(const char *case_str) const { for (uint8 i = 0; i < MAX_NUM_CASES; i++) { if (strcmp(case_str, this->cases[i]) == 0) return i; } return MAX_NUM_CASES; } }; /** Make sure the size is right. */ assert_compile(sizeof(LanguagePackHeader) % 4 == 0); /** Metadata about a single language. */ struct LanguageMetadata : public LanguagePackHeader { char file[MAX_PATH]; ///< Name of the file we read this data from. }; /** Type for the list of language meta data. */ typedef SmallVector<LanguageMetadata, 4> LanguageList; /** The actual list of language meta data. */ extern LanguageList _languages; /** The currently loaded language. */ extern const LanguageMetadata *_current_language; #ifdef WITH_ICU extern Collator *_current_collator; #endif /* WITH_ICU */ bool ReadLanguagePack(const LanguageMetadata *lang); const LanguageMetadata *GetLanguage(byte newgrflangid); #endif /* LANGUAGE_H */