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https://github.com/JGRennison/OpenTTD-patches.git
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114 lines
4.3 KiB
C
114 lines
4.3 KiB
C
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file language.h Information about languages and their files. */
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#ifndef LANGUAGE_H
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#define LANGUAGE_H
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#include "core/smallvec_type.hpp"
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#ifdef WITH_ICU
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#include <unicode/coll.h>
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#endif /* WITH_ICU */
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static const uint8 CASE_GENDER_LEN = 16; ///< The (maximum) length of a case/gender string.
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static const uint8 MAX_NUM_GENDERS = 8; ///< Maximum number of supported genders.
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static const uint8 MAX_NUM_CASES = 16; ///< Maximum number of supported cases.
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/** Header of a language file. */
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struct LanguagePackHeader {
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static const uint32 IDENT = 0x474E414C; ///< Identifier for OpenTTD language files, big endian for "LANG"
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uint32 ident; ///< 32-bits identifier
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uint32 version; ///< 32-bits of auto generated version info which is basically a hash of strings.h
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char name[32]; ///< the international name of this language
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char own_name[32]; ///< the localized name of this language
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char isocode[16]; ///< the ISO code for the language (not country code)
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uint16 offsets[32]; ///< the offsets
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/** Thousand separator used for anything not currencies */
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char digit_group_separator[8];
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/** Thousand separator used for currencies */
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char digit_group_separator_currency[8];
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/** Decimal separator */
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char digit_decimal_separator[8];
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uint16 missing; ///< number of missing strings.
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byte plural_form; ///< plural form index
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byte text_dir; ///< default direction of the text
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/**
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* Windows language ID:
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* Windows cannot and will not convert isocodes to something it can use to
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* determine whether a font can be used for the language or not. As a result
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* of that we need to pass the language id via strgen to OpenTTD to tell
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* what language it is in "Windows". The ID is the 'locale identifier' on:
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* http://msdn.microsoft.com/en-us/library/ms776294.aspx
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*/
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uint16 winlangid; ///< windows language id
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uint8 newgrflangid; ///< newgrf language id
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uint8 num_genders; ///< the number of genders of this language
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uint8 num_cases; ///< the number of cases of this language
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byte pad[3]; ///< pad header to be a multiple of 4
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char genders[MAX_NUM_GENDERS][CASE_GENDER_LEN]; ///< the genders used by this translation
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char cases[MAX_NUM_CASES][CASE_GENDER_LEN]; ///< the cases used by this translation
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bool IsValid() const;
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/**
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* Get the index for the given gender.
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* @param gender_str The string representation of the gender.
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* @return The index of the gender, or MAX_NUM_GENDERS when the gender is unknown.
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*/
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uint8 GetGenderIndex(const char *gender_str) const
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{
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for (uint8 i = 0; i < MAX_NUM_GENDERS; i++) {
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if (strcmp(gender_str, this->genders[i]) == 0) return i;
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}
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return MAX_NUM_GENDERS;
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}
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/**
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* Get the index for the given case.
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* @param case_str The string representation of the case.
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* @return The index of the case, or MAX_NUM_CASES when the case is unknown.
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*/
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uint8 GetCaseIndex(const char *case_str) const
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{
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for (uint8 i = 0; i < MAX_NUM_CASES; i++) {
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if (strcmp(case_str, this->cases[i]) == 0) return i;
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}
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return MAX_NUM_CASES;
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}
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};
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/** Make sure the size is right. */
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assert_compile(sizeof(LanguagePackHeader) % 4 == 0);
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/** Metadata about a single language. */
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struct LanguageMetadata : public LanguagePackHeader {
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char file[MAX_PATH]; ///< Name of the file we read this data from.
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};
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/** Type for the list of language meta data. */
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typedef SmallVector<LanguageMetadata, 4> LanguageList;
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/** The actual list of language meta data. */
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extern LanguageList _languages;
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/** The currently loaded language. */
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extern const LanguageMetadata *_current_language;
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#ifdef WITH_ICU
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extern Collator *_current_collator;
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#endif /* WITH_ICU */
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bool ReadLanguagePack(const LanguageMetadata *lang);
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const LanguageMetadata *GetLanguage(byte newgrflangid);
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#endif /* LANGUAGE_H */
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