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00012 #include "../stdafx.h"
00013 #include "../language.h"
00014 #include "../strgen/strgen.h"
00015 #include "../debug.h"
00016 #include "../fileio_func.h"
00017 #include "../script/squirrel_class.hpp"
00018 #include "../strings_func.h"
00019 #include "game_text.hpp"
00020 #include "game.hpp"
00021
00022 #include "table/strings.h"
00023
00024 #include <exception>
00025 #include <stdarg.h>
00026
00027 void CDECL strgen_warning(const char *s, ...)
00028 {
00029 char buf[1024];
00030 va_list va;
00031 va_start(va, s);
00032 vsnprintf(buf, lengthof(buf), s, va);
00033 va_end(va);
00034 DEBUG(script, 0, "%s:%d: warning: %s", _file, _cur_line, buf);
00035 _warnings++;
00036 }
00037
00038 void CDECL strgen_error(const char *s, ...)
00039 {
00040 char buf[1024];
00041 va_list va;
00042 va_start(va, s);
00043 vsnprintf(buf, lengthof(buf), s, va);
00044 va_end(va);
00045 DEBUG(script, 0, "%s:%d: error: %s", _file, _cur_line, buf);
00046 _errors++;
00047 }
00048
00049 void NORETURN CDECL strgen_fatal(const char *s, ...)
00050 {
00051 char buf[1024];
00052 va_list va;
00053 va_start(va, s);
00054 vsnprintf(buf, lengthof(buf), s, va);
00055 va_end(va);
00056 DEBUG(script, 0, "%s:%d: FATAL: %s", _file, _cur_line, buf);
00057 throw std::exception();
00058 }
00059
00064 LanguageStrings::LanguageStrings(const char *language)
00065 {
00066 const char *p = strrchr(language, PATHSEPCHAR);
00067 if (p == NULL) {
00068 p = language;
00069 } else {
00070 p++;
00071 }
00072
00073 const char *e = strchr(p, '.');
00074 this->language = e == NULL ? strdup(p) : strndup(p, e - p);
00075 }
00076
00078 LanguageStrings::~LanguageStrings()
00079 {
00080 free(this->language);
00081 }
00082
00088 LanguageStrings *ReadRawLanguageStrings(const char *file)
00089 {
00090 LanguageStrings *ret = NULL;
00091 try {
00092 size_t to_read;
00093 FILE *fh = FioFOpenFile(file, "rb", GAME_DIR, &to_read);
00094 if (fh == NULL) {
00095 return NULL;
00096 }
00097
00098 ret = new LanguageStrings(file);
00099
00100 char buffer[2048];
00101 while (to_read != 0 && fgets(buffer, sizeof(buffer), fh) != NULL) {
00102 size_t len = strlen(buffer);
00103
00104
00105 size_t i = len;
00106 while (i > 0 && (buffer[i - 1] == '\r' || buffer[i - 1] == '\n' || buffer[i - 1] == ' ')) i--;
00107 buffer[i] = '\0';
00108
00109 *ret->lines.Append() = strndup(buffer, to_read);
00110
00111 if (len > to_read) {
00112 to_read = 0;
00113 } else {
00114 to_read -= len;
00115 }
00116 }
00117
00118 return ret;
00119 } catch (...) {
00120 delete ret;
00121 return NULL;
00122 }
00123 }
00124
00125
00127 struct StringListReader : StringReader {
00128 const char * const *p;
00129 const char * const *end;
00130
00138 StringListReader(StringData &data, const LanguageStrings *strings, bool master, bool translation) :
00139 StringReader(data, strings->language, master, translation), p(strings->lines.Begin()), end(strings->lines.End())
00140 {
00141 }
00142
00143 char *ReadLine(char *buffer, size_t size)
00144 {
00145 if (this->p == this->end) return NULL;
00146
00147 strncpy(buffer, *this->p, size);
00148 this->p++;
00149
00150 return buffer;
00151 }
00152
00153 void HandlePragma(char *str)
00154 {
00155 strgen_fatal("unknown pragma '%s'", str);
00156 }
00157 };
00158
00160 struct TranslationWriter : LanguageWriter {
00161 StringList *strings;
00162
00167 TranslationWriter(StringList *strings) : strings(strings)
00168 {
00169 }
00170
00171 void WriteHeader(const LanguagePackHeader *header)
00172 {
00173
00174 }
00175
00176 void Finalise()
00177 {
00178
00179 }
00180
00181 void WriteLength(uint length)
00182 {
00183
00184 }
00185
00186 void Write(const byte *buffer, size_t length)
00187 {
00188 *this->strings->Append() = strndup((const char*)buffer, length);
00189 }
00190 };
00191
00193 struct StringNameWriter : HeaderWriter {
00194 StringList *strings;
00195
00200 StringNameWriter(StringList *strings) : strings(strings)
00201 {
00202 }
00203
00204 void WriteStringID(const char *name, int stringid)
00205 {
00206 if (stringid == (int)this->strings->Length()) *this->strings->Append() = strdup(name);
00207 }
00208
00209 void Finalise(const StringData &data)
00210 {
00211
00212 }
00213 };
00214
00215 static void GetBasePath(char *buffer, size_t length)
00216 {
00217 strecpy(buffer, Game::GetMainScript(), buffer + length);
00218 char *s = strrchr(buffer, PATHSEPCHAR);
00219 if (s != NULL) {
00220
00221 s++;
00222 *s = '\0';
00223 }
00224
00225
00226 #if (PATHSEPCHAR != '/')
00227 for (char *n = buffer; *n != '\0'; n++) if (*n == '/') *n = PATHSEPCHAR;
00228 #endif
00229 }
00230
00234 class LanguageScanner : protected FileScanner {
00235 private:
00236 GameStrings *gs;
00237 char *exclude;
00238
00239 public:
00241 LanguageScanner(GameStrings *gs, const char *exclude) : gs(gs), exclude(strdup(exclude)) {}
00242 ~LanguageScanner() { free(exclude); }
00243
00247 void Scan(const char *directory)
00248 {
00249 this->FileScanner::Scan(".txt", directory, false);
00250 }
00251
00252 bool AddFile(const char *filename, size_t basepath_length, const char *tar_filename)
00253 {
00254 if (strcmp(filename, exclude) == 0) return true;
00255
00256 *gs->raw_strings.Append() = ReadRawLanguageStrings(filename);
00257 return true;
00258 }
00259 };
00260
00265 GameStrings *LoadTranslations()
00266 {
00267 GameStrings *gs = new GameStrings();
00268 try {
00269 char filename[512];
00270 GetBasePath(filename, sizeof(filename));
00271 char *e = filename + strlen(filename);
00272
00273 seprintf(e, filename + sizeof(filename), "lang" PATHSEP "english.txt");
00274 if (!FioCheckFileExists(filename, GAME_DIR)) throw std::exception();
00275 *gs->raw_strings.Append() = ReadRawLanguageStrings(filename);
00276
00277
00278 LanguageScanner scanner(gs, filename);
00279 strecpy(e, "lang" PATHSEP, filename + sizeof(filename));
00280 scanner.Scan(filename);
00281
00282 gs->Compile();
00283 return gs;
00284 } catch (...) {
00285 delete gs;
00286 return NULL;
00287 }
00288 }
00289
00291 void GameStrings::Compile()
00292 {
00293 StringData data(1);
00294 StringListReader master_reader(data, this->raw_strings[0], true, false);
00295 master_reader.ParseFile();
00296 if (_errors != 0) throw std::exception();
00297
00298 this->version = data.Version();
00299
00300 StringNameWriter id_writer(&this->string_names);
00301 id_writer.WriteHeader(data);
00302
00303 for (LanguageStrings **p = this->raw_strings.Begin(); p != this->raw_strings.End(); p++) {
00304 data.FreeTranslation();
00305 StringListReader translation_reader(data, *p, false, strcmp((*p)->language, "english") != 0);
00306 translation_reader.ParseFile();
00307 if (_errors != 0) throw std::exception();
00308
00309 LanguageStrings *compiled = *this->compiled_strings.Append() = new LanguageStrings((*p)->language);
00310 TranslationWriter writer(&compiled->lines);
00311 writer.WriteLang(data);
00312 }
00313 }
00314
00316 GameStrings *_current_data = NULL;
00317
00323 const char *GetGameStringPtr(uint id)
00324 {
00325 if (id >= _current_data->cur_language->lines.Length()) return GetStringPtr(STR_UNDEFINED);
00326 return _current_data->cur_language->lines[id];
00327 }
00328
00333 void RegisterGameTranslation(Squirrel *engine)
00334 {
00335 delete _current_data;
00336 _current_data = LoadTranslations();
00337 if (_current_data == NULL) return;
00338
00339 HSQUIRRELVM vm = engine->GetVM();
00340 sq_pushroottable(vm);
00341 sq_pushstring(vm, _SC("GSText"), -1);
00342 if (SQ_FAILED(sq_get(vm, -2))) return;
00343
00344 int idx = 0;
00345 for (const char * const *p = _current_data->string_names.Begin(); p != _current_data->string_names.End(); p++, idx++) {
00346 sq_pushstring(vm, OTTD2SQ(*p), -1);
00347 sq_pushinteger(vm, idx);
00348 sq_rawset(vm, -3);
00349 }
00350
00351 sq_pop(vm, 2);
00352
00353 ReconsiderGameScriptLanguage();
00354 }
00355
00359 void ReconsiderGameScriptLanguage()
00360 {
00361 if (_current_data == NULL) return;
00362
00363 char temp[MAX_PATH];
00364 strecpy(temp, _current_language->file, temp + sizeof(temp));
00365
00366
00367 char *l = strrchr(temp, '.');
00368 assert(l != NULL);
00369 *l = '\0';
00370
00371
00372 char *language = strrchr(temp, PATHSEPCHAR);
00373 assert(language != NULL);
00374 language++;
00375
00376 for (LanguageStrings **p = _current_data->compiled_strings.Begin(); p != _current_data->compiled_strings.End(); p++) {
00377 if (strcmp((*p)->language, language) == 0) {
00378 _current_data->cur_language = *p;
00379 return;
00380 }
00381 }
00382
00383 _current_data->cur_language = _current_data->compiled_strings[0];
00384 }