OpenTTD Source  20241121-master-g67a0fccfad
language.h
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #ifndef LANGUAGE_H
11 #define LANGUAGE_H
12 
13 #ifdef WITH_ICU_I18N
14 #include <unicode/coll.h>
15 #endif /* WITH_ICU_I18N */
16 #include "strings_type.h"
17 #include <filesystem>
18 
19 static const uint8_t CASE_GENDER_LEN = 16;
20 static const uint8_t MAX_NUM_GENDERS = 8;
21 static const uint8_t MAX_NUM_CASES = 16;
22 
25  static const uint32_t IDENT = 0x474E414C;
26 
27  uint32_t ident;
28  uint32_t version;
29  char name[32];
30  char own_name[32];
31  char isocode[16];
32  uint16_t offsets[TEXT_TAB_END];
33 
40  uint16_t missing;
41  uint8_t plural_form;
42  uint8_t text_dir;
51  uint16_t winlangid;
52  uint8_t newgrflangid;
53  uint8_t num_genders;
54  uint8_t num_cases;
55  uint8_t pad[3];
56 
59 
60  bool IsValid() const;
61  bool IsReasonablyFinished() const;
62 
68  uint8_t GetGenderIndex(const char *gender_str) const
69  {
70  for (uint8_t i = 0; i < MAX_NUM_GENDERS; i++) {
71  if (strcmp(gender_str, this->genders[i]) == 0) return i;
72  }
73  return MAX_NUM_GENDERS;
74  }
75 
81  uint8_t GetCaseIndex(const char *case_str) const
82  {
83  for (uint8_t i = 0; i < MAX_NUM_CASES; i++) {
84  if (strcmp(case_str, this->cases[i]) == 0) return i;
85  }
86  return MAX_NUM_CASES;
87  }
88 };
90 static_assert(sizeof(LanguagePackHeader) % 4 == 0);
91 
94  std::filesystem::path file;
95 };
96 
98 typedef std::vector<LanguageMetadata> LanguageList;
99 
101 extern LanguageList _languages;
102 
104 extern const LanguageMetadata *_current_language;
105 
106 #ifdef WITH_ICU_I18N
107 extern std::unique_ptr<icu::Collator> _current_collator;
108 #endif /* WITH_ICU_I18N */
109 
110 bool ReadLanguagePack(const LanguageMetadata *lang);
111 const LanguageMetadata *GetLanguage(uint8_t newgrflangid);
112 
113 #endif /* LANGUAGE_H */
LanguageList _languages
The actual list of language meta data.
Definition: strings.cpp:53
const LanguageMetadata * _current_language
The currently loaded language.
Definition: strings.cpp:54
const LanguageMetadata * GetLanguage(uint8_t newgrflangid)
Get the language with the given NewGRF language ID.
Definition: strings.cpp:2046
static const uint8_t MAX_NUM_GENDERS
Maximum number of supported genders.
Definition: language.h:20
std::unique_ptr< icu::Collator > _current_collator
Collator for the language currently in use.
Definition: strings.cpp:59
std::vector< LanguageMetadata > LanguageList
Type for the list of language meta data.
Definition: language.h:98
static const uint8_t CASE_GENDER_LEN
The (maximum) length of a case/gender string.
Definition: language.h:19
bool ReadLanguagePack(const LanguageMetadata *lang)
Read a particular language.
Definition: strings.cpp:1912
static const uint8_t MAX_NUM_CASES
Maximum number of supported cases.
Definition: language.h:21
Types related to strings.
@ TEXT_TAB_END
End of language files.
Definition: strings_type.h:38
Make sure the size is right.
Definition: language.h:93
std::filesystem::path file
Name of the file we read this data from.
Definition: language.h:94
Header of a language file.
Definition: language.h:24
uint8_t plural_form
plural form index
Definition: language.h:41
bool IsValid() const
Check whether the header is a valid header for OpenTTD.
Definition: strings.cpp:1881
bool IsReasonablyFinished() const
Check whether a translation is sufficiently finished to offer it to the public.
Definition: strings.cpp:1901
uint32_t version
32-bits of auto generated version info which is basically a hash of strings.h
Definition: language.h:28
uint8_t GetGenderIndex(const char *gender_str) const
Get the index for the given gender.
Definition: language.h:68
char isocode[16]
the ISO code for the language (not country code)
Definition: language.h:31
char own_name[32]
the localized name of this language
Definition: language.h:30
uint8_t pad[3]
pad header to be a multiple of 4
Definition: language.h:55
char name[32]
the international name of this language
Definition: language.h:29
uint16_t offsets[TEXT_TAB_END]
the offsets
Definition: language.h:32
uint16_t winlangid
Windows language ID: Windows cannot and will not convert isocodes to something it can use to determin...
Definition: language.h:51
uint8_t num_genders
the number of genders of this language
Definition: language.h:53
char cases[MAX_NUM_CASES][CASE_GENDER_LEN]
the cases used by this translation
Definition: language.h:58
uint8_t GetCaseIndex(const char *case_str) const
Get the index for the given case.
Definition: language.h:81
uint16_t missing
number of missing strings.
Definition: language.h:40
char digit_group_separator[8]
Thousand separator used for anything not currencies.
Definition: language.h:35
uint8_t newgrflangid
newgrf language id
Definition: language.h:52
uint8_t text_dir
default direction of the text
Definition: language.h:42
char genders[MAX_NUM_GENDERS][CASE_GENDER_LEN]
the genders used by this translation
Definition: language.h:57
uint8_t num_cases
the number of cases of this language
Definition: language.h:54
uint32_t ident
32-bits identifier
Definition: language.h:27
char digit_decimal_separator[8]
Decimal separator.
Definition: language.h:39
char digit_group_separator_currency[8]
Thousand separator used for currencies.
Definition: language.h:37
static const uint32_t IDENT
Identifier for OpenTTD language files, big endian for "LANG".
Definition: language.h:25