strgen.h

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef STRGEN_H
00013 #define STRGEN_H
00014 
00016 struct Case {
00017   int caseidx;  
00018   char *string; 
00019   Case *next;   
00020 
00021   Case(int caseidx, const char *string, Case *next);
00022   ~Case();
00023 };
00024 
00026 struct LangString {
00027   char *name;            
00028   char *english;         
00029   char *translated;      
00030   uint16 hash_next;      
00031   uint16 index;          
00032   int line;              
00033   Case *translated_case; 
00034 
00035   LangString(const char *name, const char *english, int index, int line);
00036   ~LangString();
00037   void FreeTranslation();
00038 };
00039 
00041 struct StringData {
00042   LangString **strings; 
00043   uint16 *hash_heads;   
00044   size_t tabs;          
00045   size_t max_strings;   
00046   int next_string_id;   
00047 
00048   StringData(size_t tabs);
00049   ~StringData();
00050   void FreeTranslation();
00051   uint HashStr(const char *s) const;
00052   void Add(const char *s, LangString *ls);
00053   LangString *Find(const char *s);
00054   uint VersionHashStr(uint hash, const char *s) const;
00055   uint Version() const;
00056   uint CountInUse(uint tab) const;
00057 };
00058 
00060 struct StringReader {
00061   StringData &data; 
00062   const char *file; 
00063   bool master;      
00064   bool translation; 
00065 
00066   StringReader(StringData &data, const char *file, bool master, bool translation);
00067   virtual ~StringReader();
00068   void HandleString(char *str);
00069 
00076   virtual char *ReadLine(char *buffer, size_t size) = 0;
00077 
00082   virtual void HandlePragma(char *str) = 0;
00083 
00087   virtual void ParseFile();
00088 };
00089 
00091 struct HeaderWriter {
00097   virtual void WriteStringID(const char *name, int stringid) = 0;
00098 
00103   virtual void Finalise(const StringData &data) = 0;
00104 
00106   virtual ~HeaderWriter() {};
00107 
00108   void WriteHeader(const StringData &data);
00109 };
00110 
00112 struct LanguageWriter {
00118   virtual void WriteHeader(const LanguagePackHeader *header) = 0;
00119 
00125   virtual void Write(const byte *buffer, size_t length) = 0;
00126 
00130   virtual void Finalise() = 0;
00131 
00133   virtual ~LanguageWriter() {}
00134 
00135   virtual void WriteLength(uint length);
00136   virtual void WriteLang(const StringData &data);
00137 };
00138 
00139 void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
00140 void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);
00141 void NORETURN CDECL strgen_fatal(const char *s, ...) WARN_FORMAT(1, 2);
00142 char *ParseWord(char **buf);
00143 
00144 extern const char *_file;
00145 extern int _cur_line;
00146 extern int _errors, _warnings, _show_todo;
00147 extern LanguagePackHeader _lang;
00148 
00149 #endif /* STRGEN_H */