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00012 #include "../stdafx.h"
00013 #include "../strgen/strgen.h"
00014 #include "../debug.h"
00015 #include "../fileio_func.h"
00016 #include "../script/squirrel_class.hpp"
00017 #include "../strings_func.h"
00018 #include "game_text.hpp"
00019 #include "game.hpp"
00020
00021 #include "table/strings.h"
00022
00023 #include <stdarg.h>
00024
00025 void CDECL strgen_warning(const char *s, ...)
00026 {
00027 char buf[1024];
00028 va_list va;
00029 va_start(va, s);
00030 vsnprintf(buf, lengthof(buf), s, va);
00031 va_end(va);
00032 DEBUG(script, 0, "%s:%d: warning: %s", _file, _cur_line, buf);
00033 _warnings++;
00034 }
00035
00036 void CDECL strgen_error(const char *s, ...)
00037 {
00038 char buf[1024];
00039 va_list va;
00040 va_start(va, s);
00041 vsnprintf(buf, lengthof(buf), s, va);
00042 va_end(va);
00043 DEBUG(script, 0, "%s:%d: error: %s", _file, _cur_line, buf);
00044 _errors++;
00045 }
00046
00047 void NORETURN CDECL strgen_fatal(const char *s, ...)
00048 {
00049 char buf[1024];
00050 va_list va;
00051 va_start(va, s);
00052 vsnprintf(buf, lengthof(buf), s, va);
00053 va_end(va);
00054 DEBUG(script, 0, "%s:%d: FATAL: %s", _file, _cur_line, buf);
00055 throw std::exception();
00056 }
00057
00062 LanguageStrings::LanguageStrings(const char *language)
00063 {
00064 const char *p = strrchr(language, PATHSEPCHAR);
00065 if (p == NULL) {
00066 p = language;
00067 } else {
00068 p++;
00069 }
00070
00071 const char *e = strchr(p, '.');
00072 this->language = e == NULL ? strdup(p) : strndup(p, e - p);
00073 }
00074
00076 LanguageStrings::~LanguageStrings()
00077 {
00078 free(this->language);
00079 }
00080
00086 LanguageStrings *ReadRawLanguageStrings(const char *file)
00087 {
00088 LanguageStrings *ret = NULL;
00089 try {
00090 size_t to_read;
00091 FILE *fh = FioFOpenFile(file, "rb", GAME_DIR, &to_read);
00092 if (fh == NULL) {
00093 return NULL;
00094 }
00095
00096 ret = new LanguageStrings(file);
00097
00098 char buffer[2048];
00099 while (to_read != 0 && fgets(buffer, sizeof(buffer), fh) != NULL) {
00100 size_t len = strlen(buffer);
00101
00102
00103 size_t i = len;
00104 while (i > 0 && (buffer[i - 1] == '\r' || buffer[i - 1] == '\n' || buffer[i - 1] == ' ')) i--;
00105 buffer[i] = '\0';
00106
00107 *ret->lines.Append() = strndup(buffer, to_read);
00108
00109 if (len > to_read) {
00110 to_read = 0;
00111 } else {
00112 to_read -= len;
00113 }
00114 }
00115
00116 return ret;
00117 } catch (...) {
00118 delete ret;
00119 return NULL;
00120 }
00121 }
00122
00123
00125 struct StringListReader : StringReader {
00126 const char * const *p;
00127 const char * const *end;
00128
00136 StringListReader(StringData &data, const LanguageStrings *strings, bool master, bool translation) :
00137 StringReader(data, strings->language, master, translation), p(strings->lines.Begin()), end(strings->lines.End())
00138 {
00139 }
00140
00141 char *ReadLine(char *buffer, size_t size)
00142 {
00143 if (this->p == this->end) return NULL;
00144
00145 strncpy(buffer, *this->p, size);
00146 this->p++;
00147
00148 return buffer;
00149 }
00150 };
00151
00153 struct TranslationWriter : LanguageWriter {
00154 StringList *strings;
00155
00160 TranslationWriter(StringList *strings) : strings(strings)
00161 {
00162 }
00163
00164 void WriteHeader(const LanguagePackHeader *header)
00165 {
00166
00167 }
00168
00169 void Finalise()
00170 {
00171
00172 }
00173
00174 void WriteLength(uint length)
00175 {
00176
00177 }
00178
00179 void Write(const byte *buffer, size_t length)
00180 {
00181 char *dest = MallocT<char>(length + 1);
00182 memcpy(dest, buffer, length);
00183 dest[length] = '\0';
00184 *this->strings->Append() = dest;
00185 }
00186 };
00187
00189 struct StringNameWriter : HeaderWriter {
00190 StringList *strings;
00191
00196 StringNameWriter(StringList *strings) : strings(strings)
00197 {
00198 }
00199
00200 void WriteStringID(const char *name, int stringid)
00201 {
00202 if (stringid == (int)this->strings->Length()) *this->strings->Append() = strdup(name);
00203 }
00204
00205 void Finalise(const StringData &data)
00206 {
00207
00208 }
00209 };
00210
00211 static void GetBasePath(char *buffer, size_t length)
00212 {
00213 strecpy(buffer, Game::GetMainScript(), buffer + length);
00214 char *s = strrchr(buffer, PATHSEPCHAR);
00215 if (s != NULL) {
00216
00217 s++;
00218 *s = '\0';
00219 }
00220
00221
00222 #if (PATHSEPCHAR != '/')
00223 for (char *n = buffer; *n != '\0'; n++) if (*n == '/') *n = PATHSEPCHAR;
00224 #endif
00225 }
00226
00230 class LanguageScanner : protected FileScanner {
00231 private:
00232 GameStrings *gs;
00233 char *exclude;
00234
00235 public:
00237 LanguageScanner(GameStrings *gs, const char *exclude) : gs(gs), exclude(strdup(exclude)) {}
00238 ~LanguageScanner() { free(exclude); }
00239
00243 void Scan(const char *directory)
00244 {
00245 this->FileScanner::Scan(".txt", directory, false);
00246 }
00247
00248 bool AddFile(const char *filename, size_t basepath_length, const char *tar_filename)
00249 {
00250 if (strcmp(filename, exclude) == 0) return true;
00251
00252 *gs->raw_strings.Append() = ReadRawLanguageStrings(filename);
00253 return true;
00254 }
00255 };
00256
00261 GameStrings *LoadTranslations()
00262 {
00263 GameStrings *gs = new GameStrings();
00264 try {
00265 char filename[512];
00266 GetBasePath(filename, sizeof(filename));
00267 char *e = filename + strlen(filename);
00268
00269 seprintf(e, filename + sizeof(filename), "lang" PATHSEP "english.txt");
00270 if (!FioCheckFileExists(filename, GAME_DIR)) throw std::exception();
00271 *gs->raw_strings.Append() = ReadRawLanguageStrings(filename);
00272
00273
00274 LanguageScanner scanner(gs, filename);
00275 strecpy(e, "lang" PATHSEP, filename + sizeof(filename));
00276 scanner.Scan(filename);
00277
00278 gs->Compile();
00279 return gs;
00280 } catch (...) {
00281 delete gs;
00282 return NULL;
00283 }
00284 }
00285
00287 void GameStrings::Compile()
00288 {
00289 StringData data(1);
00290 StringListReader master_reader(data, this->raw_strings[0], true, false);
00291 master_reader.ParseFile();
00292 if (_errors != 0) throw std::exception();
00293
00294 this->version = data.Version();
00295
00296 StringNameWriter id_writer(&this->string_names);
00297 id_writer.WriteHeader(data);
00298
00299 for (LanguageStrings **p = this->raw_strings.Begin(); p != this->raw_strings.End(); p++) {
00300 data.FreeTranslation();
00301 StringListReader translation_reader(data, *p, false, strcmp((*p)->language, "english") != 0);
00302 translation_reader.ParseFile();
00303 if (_errors != 0) throw std::exception();
00304
00305 LanguageStrings *compiled = *this->compiled_strings.Append() = new LanguageStrings((*p)->language);
00306 TranslationWriter writer(&compiled->lines);
00307 writer.WriteLang(data);
00308 }
00309 }
00310
00312 GameStrings *_current_data = NULL;
00313
00319 const char *GetGameStringPtr(uint id)
00320 {
00321 if (id >= _current_data->cur_language->lines.Length()) return GetStringPtr(STR_UNDEFINED);
00322 return _current_data->cur_language->lines[id];
00323 }
00324
00329 void RegisterGameTranslation(Squirrel *engine)
00330 {
00331 delete _current_data;
00332 _current_data = LoadTranslations();
00333 if (_current_data == NULL) return;
00334
00335 HSQUIRRELVM vm = engine->GetVM();
00336 sq_pushroottable(vm);
00337 sq_pushstring(vm, _SC("GSText"), -1);
00338 if (SQ_FAILED(sq_get(vm, -2))) return;
00339
00340 int idx = 0;
00341 for (const char * const *p = _current_data->string_names.Begin(); p != _current_data->string_names.End(); p++, idx++) {
00342 sq_pushstring(vm, OTTD2SQ(*p), -1);
00343 sq_pushinteger(vm, idx);
00344 sq_rawset(vm, -3);
00345 }
00346
00347 sq_pop(vm, 2);
00348
00349 ReconsiderGameScriptLanguage();
00350 }
00351
00355 void ReconsiderGameScriptLanguage()
00356 {
00357 if (_current_data == NULL) return;
00358
00359 char temp[MAX_PATH];
00360 strecpy(temp, _current_language->file, temp + sizeof(temp));
00361
00362
00363 char *l = strrchr(temp, '.');
00364 assert(l != NULL);
00365 *l = '\0';
00366
00367
00368 char *language = strrchr(temp, PATHSEPCHAR);
00369 assert(language != NULL);
00370 language++;
00371
00372 for (LanguageStrings **p = _current_data->compiled_strings.Begin(); p != _current_data->compiled_strings.End(); p++) {
00373 if (strcmp((*p)->language, language) == 0) {
00374 _current_data->cur_language = *p;
00375 return;
00376 }
00377 }
00378
00379 _current_data->cur_language = _current_data->compiled_strings[0];
00380 }