strgen.cpp

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00001 /* $Id: strgen.cpp 21474 2010-12-12 01:21:02Z rubidium $ */
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 #include "../stdafx.h"
00013 #include "../core/alloc_func.hpp"
00014 #include "../core/endian_func.hpp"
00015 #include "../core/math_func.hpp"
00016 #include "../core/mem_func.hpp"
00017 #include "../string_func.h"
00018 #include "../strings_type.h"
00019 #include "../language.h"
00020 #include "../table/control_codes.h"
00021 
00022 #include <stdarg.h>
00023 
00024 #if (!defined(WIN32) && !defined(WIN64)) || defined(__CYGWIN__)
00025 #include <unistd.h>
00026 #include <sys/stat.h>
00027 #endif
00028 
00029 #if defined WIN32 || defined __WATCOMC__
00030 #include <direct.h>
00031 #endif /* WIN32 || __WATCOMC__ */
00032 
00033 #ifdef __MORPHOS__
00034 #ifdef stderr
00035 #undef stderr
00036 #endif
00037 #define stderr stdout
00038 #endif /* __MORPHOS__ */
00039 
00040 #include "../table/strgen_tables.h"
00041 
00042 /* Compiles a list of strings into a compiled string list */
00043 
00044 struct Case {
00045   int caseidx;
00046   char *string;
00047   Case *next;
00048 };
00049 
00050 static bool _masterlang;                     
00051 static bool _translated;                     
00052 static bool _translation;                    
00053 static const char *_file = "(unknown file)"; 
00054 static FILE *_output_file = NULL;            
00055 static const char *_output_filename = NULL;  
00056 static int _cur_line;                        
00057 static int _errors, _warnings, _show_todo;
00058 
00059 static const ptrdiff_t MAX_COMMAND_PARAM_SIZE = 100; 
00060 
00061 struct LangString {
00062   char *name;            // Name of the string
00063   char *english;         // English text
00064   char *translated;      // Translated text
00065   uint16 hash_next;      // next hash entry
00066   uint16 index;
00067   int line;              // line of string in source-file
00068   Case *translated_case; // cases for foreign
00069 };
00070 
00071 static LangString *_strings[65536];
00072 static LanguagePackHeader _lang; 
00073 
00074 
00075 #define HASH_SIZE 32767
00076 static uint16 _hash_head[HASH_SIZE];
00077 
00078 static byte _put_buf[4096];
00079 static uint _put_pos;
00080 static int _next_string_id;
00081 
00082 static uint32 _hash;
00083 
00084 static const char *_cur_ident;
00085 
00086 struct CmdPair {
00087   const CmdStruct *a;
00088   const char *v;
00089 };
00090 
00091 struct ParsedCommandStruct {
00092   uint np;
00093   CmdPair pairs[32];
00094   const CmdStruct *cmd[32]; // ordered by param #
00095 };
00096 
00097 /* Used when generating some advanced commands. */
00098 static ParsedCommandStruct _cur_pcs;
00099 static int _cur_argidx;
00100 
00101 static uint HashStr(const char *s)
00102 {
00103   uint hash = 0;
00104   for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
00105   return hash % HASH_SIZE;
00106 }
00107 
00108 static void HashAdd(const char *s, LangString *ls)
00109 {
00110   uint hash = HashStr(s);
00111   ls->hash_next = _hash_head[hash];
00112   _hash_head[hash] = ls->index + 1;
00113 }
00114 
00115 static LangString *HashFind(const char *s)
00116 {
00117   int idx = _hash_head[HashStr(s)];
00118 
00119   while (--idx >= 0) {
00120     LangString *ls = _strings[idx];
00121 
00122     if (strcmp(ls->name, s) == 0) return ls;
00123     idx = ls->hash_next;
00124   }
00125   return NULL;
00126 }
00127 
00128 #ifdef _MSC_VER
00129 # define LINE_NUM_FMT(s) "%s (%d): warning: %s (" s ")\n"
00130 #else
00131 # define LINE_NUM_FMT(s) "%s:%d: " s ": %s\n"
00132 #endif
00133 
00134 static void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
00135 
00136 static void CDECL strgen_warning(const char *s, ...)
00137 {
00138   char buf[1024];
00139   va_list va;
00140   va_start(va, s);
00141   vsnprintf(buf, lengthof(buf), s, va);
00142   va_end(va);
00143   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, buf);
00144   _warnings++;
00145 }
00146 
00147 static void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);
00148 
00149 static void CDECL strgen_error(const char *s, ...)
00150 {
00151   char buf[1024];
00152   va_list va;
00153   va_start(va, s);
00154   vsnprintf(buf, lengthof(buf), s, va);
00155   va_end(va);
00156   fprintf(stderr, LINE_NUM_FMT("error"), _file, _cur_line, buf);
00157   _errors++;
00158 }
00159 
00160 void NORETURN CDECL error(const char *s, ...)
00161 {
00162   char buf[1024];
00163   va_list va;
00164   va_start(va, s);
00165   vsnprintf(buf, lengthof(buf), s, va);
00166   va_end(va);
00167   fprintf(stderr, LINE_NUM_FMT("FATAL"), _file, _cur_line, buf);
00168 #ifdef _MSC_VER
00169   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, "language is not compiled");
00170 #endif
00171   /* We were writing output to a file, remove it. */
00172   if (_output_file != NULL) {
00173     fclose(_output_file);
00174     unlink(_output_filename);
00175   }
00176   exit(1);
00177 }
00178 
00179 static void PutByte(byte c)
00180 {
00181   if (_put_pos >= lengthof(_put_buf)) error("Put buffer too small");
00182   _put_buf[_put_pos++] = c;
00183 }
00184 
00185 
00186 static void PutUtf8(uint32 value)
00187 {
00188   if (value < 0x80) {
00189     PutByte(value);
00190   } else if (value < 0x800) {
00191     PutByte(0xC0 + GB(value,  6, 5));
00192     PutByte(0x80 + GB(value,  0, 6));
00193   } else if (value < 0x10000) {
00194     PutByte(0xE0 + GB(value, 12, 4));
00195     PutByte(0x80 + GB(value,  6, 6));
00196     PutByte(0x80 + GB(value,  0, 6));
00197   } else if (value < 0x110000) {
00198     PutByte(0xF0 + GB(value, 18, 3));
00199     PutByte(0x80 + GB(value, 12, 6));
00200     PutByte(0x80 + GB(value,  6, 6));
00201     PutByte(0x80 + GB(value,  0, 6));
00202   } else {
00203     strgen_warning("Invalid unicode value U+0x%X", value);
00204   }
00205 }
00206 
00207 
00208 size_t Utf8Validate(const char *s)
00209 {
00210   uint32 c;
00211 
00212   if (!HasBit(s[0], 7)) {
00213     /* 1 byte */
00214     return 1;
00215   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
00216     /* 2 bytes */
00217     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
00218     if (c >= 0x80) return 2;
00219   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
00220     /* 3 bytes */
00221     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
00222     if (c >= 0x800) return 3;
00223   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
00224     /* 4 bytes */
00225     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
00226     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
00227   }
00228 
00229   return 0;
00230 }
00231 
00232 
00233 static void EmitSingleChar(char *buf, int value)
00234 {
00235   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
00236   PutUtf8(value);
00237 }
00238 
00239 
00240 /* The plural specifier looks like
00241  * {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM */
00242 
00243 /* This is encoded like
00244  *  CommandByte <ARG#> <NUM> {Length of each string} {each string} */
00245 
00246 bool ParseRelNum(char **buf, int *value, int *offset)
00247 {
00248   const char *s = *buf;
00249   char *end;
00250   bool rel = false;
00251 
00252   while (*s == ' ' || *s == '\t') s++;
00253   if (*s == '+') {
00254     rel = true;
00255     s++;
00256   }
00257   int v = strtol(s, &end, 0);
00258   if (end == s) return false;
00259   if (rel || v < 0) {
00260     *value += v;
00261   } else {
00262     *value = v;
00263   }
00264   if (offset != NULL && *end == ':') {
00265     /* Take the Nth within */
00266     s = end + 1;
00267     *offset = strtol(s, &end, 0);
00268     if (end == s) return false;
00269   }
00270   *buf = end;
00271   return true;
00272 }
00273 
00274 /* Parse out the next word, or NULL */
00275 char *ParseWord(char **buf)
00276 {
00277   char *s = *buf, *r;
00278 
00279   while (*s == ' ' || *s == '\t') s++;
00280   if (*s == '\0') return NULL;
00281 
00282   if (*s == '"') {
00283     r = ++s;
00284     /* parse until next " or NUL */
00285     for (;;) {
00286       if (*s == '\0') break;
00287       if (*s == '"') {
00288         *s++ = '\0';
00289         break;
00290       }
00291       s++;
00292     }
00293   } else {
00294     /* proceed until whitespace or NUL */
00295     r = s;
00296     for (;;) {
00297       if (*s == '\0') break;
00298       if (*s == ' ' || *s == '\t') {
00299         *s++ = '\0';
00300         break;
00301       }
00302       s++;
00303     }
00304   }
00305   *buf = s;
00306   return r;
00307 }
00308 
00309 /* Forward declaration */
00310 static int TranslateArgumentIdx(int arg, int offset = 0);
00311 
00312 static void EmitWordList(const char * const *words, uint nw)
00313 {
00314   PutByte(nw);
00315   for (uint i = 0; i < nw; i++) PutByte(strlen(words[i]) + 1);
00316   for (uint i = 0; i < nw; i++) {
00317     for (uint j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
00318     PutByte(0);
00319   }
00320 }
00321 
00322 static void EmitPlural(char *buf, int value)
00323 {
00324   int argidx = _cur_argidx;
00325   int offset = 0;
00326   const char *words[5];
00327   int nw = 0;
00328 
00329   /* Parse out the number, if one exists. Otherwise default to prev arg. */
00330   if (!ParseRelNum(&buf, &argidx, &offset)) argidx--;
00331 
00332   /* Parse each string */
00333   for (nw = 0; nw < 5; nw++) {
00334     words[nw] = ParseWord(&buf);
00335     if (words[nw] == NULL) break;
00336   }
00337 
00338   if (nw == 0) {
00339     error("%s: No plural words", _cur_ident);
00340   }
00341 
00342   if (_plural_forms[_lang.plural_form].plural_count != nw) {
00343     if (_translated) {
00344       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
00345         _plural_forms[_lang.plural_form].plural_count, nw);
00346     } else {
00347       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
00348       if (nw > _plural_forms[_lang.plural_form].plural_count) {
00349         nw = _plural_forms[_lang.plural_form].plural_count;
00350       } else {
00351         for (; nw < _plural_forms[_lang.plural_form].plural_count; nw++) {
00352           words[nw] = words[nw - 1];
00353         }
00354       }
00355     }
00356   }
00357 
00358   PutUtf8(SCC_PLURAL_LIST);
00359   PutByte(_lang.plural_form);
00360   PutByte(TranslateArgumentIdx(argidx, offset));
00361   EmitWordList(words, nw);
00362 }
00363 
00364 
00365 static void EmitGender(char *buf, int value)
00366 {
00367   int argidx = _cur_argidx;
00368   int offset = 0;
00369   uint nw;
00370 
00371   if (buf[0] == '=') {
00372     buf++;
00373 
00374     /* This is a {G=DER} command */
00375     nw = _lang.GetGenderIndex(buf);
00376     if (nw >= MAX_NUM_GENDERS) error("G argument '%s' invalid", buf);
00377 
00378     /* now nw contains the gender index */
00379     PutUtf8(SCC_GENDER_INDEX);
00380     PutByte(nw);
00381   } else {
00382     const char *words[MAX_NUM_GENDERS];
00383 
00384     /* This is a {G 0 foo bar two} command.
00385      * If no relative number exists, default to +0 */
00386     if (!ParseRelNum(&buf, &argidx, &offset)) {}
00387 
00388     const CmdStruct *cmd = _cur_pcs.cmd[argidx];
00389     if (cmd == NULL || (cmd->flags & C_GENDER) == 0) {
00390       error("Command '%s' can't have a gender", cmd == NULL ? "<empty>" : cmd->cmd);
00391     }
00392 
00393     for (nw = 0; nw < MAX_NUM_GENDERS; nw++) {
00394       words[nw] = ParseWord(&buf);
00395       if (words[nw] == NULL) break;
00396     }
00397     if (nw != _lang.num_genders) error("Bad # of arguments for gender command");
00398 
00399     assert(IsInsideBS(cmd->value, SCC_CONTROL_START, UINT8_MAX));
00400     PutUtf8(SCC_GENDER_LIST);
00401     PutByte(TranslateArgumentIdx(argidx, offset));
00402     EmitWordList(words, nw);
00403   }
00404 }
00405 
00406 static const CmdStruct *FindCmd(const char *s, int len)
00407 {
00408   for (const CmdStruct *cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
00409     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
00410   }
00411   return NULL;
00412 }
00413 
00414 static uint ResolveCaseName(const char *str, uint len)
00415 {
00416   /* First get a clean copy of only the case name, then resolve it. */
00417   char case_str[CASE_GENDER_LEN];
00418   len = min(lengthof(case_str) - 1, len);
00419   memcpy(case_str, str, len);
00420   case_str[len] = '\0';
00421 
00422   uint8 case_idx = _lang.GetCaseIndex(case_str);
00423   if (case_idx >= MAX_NUM_CASES) error("Invalid case-name '%s'", case_str);
00424   return case_idx + 1;
00425 }
00426 
00427 
00428 /* returns NULL on eof
00429  * else returns command struct */
00430 static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
00431 {
00432   const char *s = *str, *start;
00433   char c;
00434 
00435   *argno = -1;
00436   *casei = -1;
00437 
00438   /* Scan to the next command, exit if there's no next command. */
00439   for (; *s != '{'; s++) {
00440     if (*s == '\0') return NULL;
00441   }
00442   s++; // Skip past the {
00443 
00444   if (*s >= '0' && *s <= '9') {
00445     char *end;
00446 
00447     *argno = strtoul(s, &end, 0);
00448     if (*end != ':') error("missing arg #");
00449     s = end + 1;
00450   }
00451 
00452   /* parse command name */
00453   start = s;
00454   do {
00455     c = *s++;
00456   } while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
00457 
00458   const CmdStruct *cmd = FindCmd(start, s - start - 1);
00459   if (cmd == NULL) {
00460     strgen_error("Undefined command '%.*s'", (int)(s - start - 1), start);
00461     return NULL;
00462   }
00463 
00464   if (c == '.') {
00465     const char *casep = s;
00466 
00467     if (!(cmd->flags & C_CASE)) {
00468       error("Command '%s' can't have a case", cmd->cmd);
00469     }
00470 
00471     do {
00472       c = *s++;
00473     } while (c != '}' && c != ' ' && c != '\0');
00474     *casei = ResolveCaseName(casep, s - casep - 1);
00475   }
00476 
00477   if (c == '\0') {
00478     strgen_error("Missing } from command '%s'", start);
00479     return NULL;
00480   }
00481 
00482 
00483   if (c != '}') {
00484     if (c == '=') s--;
00485     /* copy params */
00486     start = s;
00487     for (;;) {
00488       c = *s++;
00489       if (c == '}') break;
00490       if (c == '\0') {
00491         strgen_error("Missing } from command '%s'", start);
00492         return NULL;
00493       }
00494       if (s - start == MAX_COMMAND_PARAM_SIZE) error("param command too long");
00495       *param++ = c;
00496     }
00497   }
00498   *param = '\0';
00499 
00500   *str = s;
00501 
00502   return cmd;
00503 }
00504 
00505 
00506 static void HandlePragma(char *str, bool master)
00507 {
00508   if (!memcmp(str, "id ", 3)) {
00509     _next_string_id = strtoul(str + 3, NULL, 0);
00510   } else if (!memcmp(str, "name ", 5)) {
00511     strecpy(_lang.name, str + 5, lastof(_lang.name));
00512   } else if (!memcmp(str, "ownname ", 8)) {
00513     strecpy(_lang.own_name, str + 8, lastof(_lang.own_name));
00514   } else if (!memcmp(str, "isocode ", 8)) {
00515     strecpy(_lang.isocode, str + 8, lastof(_lang.isocode));
00516   } else if (!memcmp(str, "plural ", 7)) {
00517     _lang.plural_form = atoi(str + 7);
00518     if (_lang.plural_form >= lengthof(_plural_forms)) {
00519       error("Invalid pluralform %d", _lang.plural_form);
00520     }
00521   } else if (!memcmp(str, "textdir ", 8)) {
00522     if (!memcmp(str + 8, "ltr", 3)) {
00523       _lang.text_dir = TD_LTR;
00524     } else if (!memcmp(str + 8, "rtl", 3)) {
00525       _lang.text_dir = TD_RTL;
00526     } else {
00527       error("Invalid textdir %s", str + 8);
00528     }
00529   } else if (!memcmp(str, "digitsep ", 9)) {
00530     str += 9;
00531     strecpy(_lang.digit_group_separator, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang.digit_group_separator));
00532   } else if (!memcmp(str, "digitsepcur ", 12)) {
00533     str += 12;
00534     strecpy(_lang.digit_group_separator_currency, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang.digit_group_separator_currency));
00535   } else if (!memcmp(str, "decimalsep ", 11)) {
00536     str += 11;
00537     strecpy(_lang.digit_decimal_separator, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang.digit_decimal_separator));
00538   } else if (!memcmp(str, "winlangid ", 10)) {
00539     const char *buf = str + 10;
00540     long langid = strtol(buf, NULL, 16);
00541     if (langid > (long)UINT16_MAX || langid < 0) {
00542       error("Invalid winlangid %s", buf);
00543     }
00544     _lang.winlangid = (uint16)langid;
00545   } else if (!memcmp(str, "grflangid ", 10)) {
00546     const char *buf = str + 10;
00547     long langid = strtol(buf, NULL, 16);
00548     if (langid >= 0x7F || langid < 0) {
00549       error("Invalid grflangid %s", buf);
00550     }
00551     _lang.newgrflangid = (uint8)langid;
00552   } else if (!memcmp(str, "gender ", 7)) {
00553     if (master) error("Genders are not allowed in the base translation.");
00554     char *buf = str + 7;
00555 
00556     for (;;) {
00557       const char *s = ParseWord(&buf);
00558 
00559       if (s == NULL) break;
00560       if (_lang.num_genders >= MAX_NUM_GENDERS) error("Too many genders, max %d", MAX_NUM_GENDERS);
00561       strecpy(_lang.genders[_lang.num_genders], s, lastof(_lang.genders[_lang.num_genders]));
00562       _lang.num_genders++;
00563     }
00564   } else if (!memcmp(str, "case ", 5)) {
00565     if (master) error("Cases are not allowed in the base translation.");
00566     char *buf = str + 5;
00567 
00568     for (;;) {
00569       const char *s = ParseWord(&buf);
00570 
00571       if (s == NULL) break;
00572       if (_lang.num_cases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
00573       strecpy(_lang.cases[_lang.num_cases], s, lastof(_lang.cases[_lang.num_cases]));
00574       _lang.num_cases++;
00575     }
00576   } else {
00577     error("unknown pragma '%s'", str);
00578   }
00579 }
00580 
00581 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
00582 {
00583   char param[MAX_COMMAND_PARAM_SIZE];
00584   int argno;
00585   int argidx = 0;
00586   int casei;
00587 
00588   memset(p, 0, sizeof(*p));
00589 
00590   for (;;) {
00591     /* read until next command from a. */
00592     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
00593 
00594     if (ar == NULL) break;
00595 
00596     /* Sanity checking */
00597     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
00598 
00599     if (ar->consumes) {
00600       if (argno != -1) argidx = argno;
00601       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
00602       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
00603 
00604       p->cmd[argidx++] = ar;
00605     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
00606       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max " PRINTF_SIZE, lengthof(p->pairs));
00607       p->pairs[p->np].a = ar;
00608       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
00609       p->np++;
00610     }
00611   }
00612 }
00613 
00614 
00615 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
00616 {
00617   if (a == NULL) return NULL;
00618 
00619   if (strcmp(a->cmd, "STRING1") == 0 ||
00620       strcmp(a->cmd, "STRING2") == 0 ||
00621       strcmp(a->cmd, "STRING3") == 0 ||
00622       strcmp(a->cmd, "STRING4") == 0 ||
00623       strcmp(a->cmd, "STRING5") == 0 ||
00624       strcmp(a->cmd, "RAW_STRING") == 0) {
00625     return FindCmd("STRING", 6);
00626   }
00627 
00628   return a;
00629 }
00630 
00631 
00632 static bool CheckCommandsMatch(char *a, char *b, const char *name)
00633 {
00634   /* If we're not translating, i.e. we're compiling the base language,
00635    * it is pointless to do all these checks as it'll always be correct.
00636    * After all, all checks are based on the base language.
00637    */
00638   if (!_translation) return true;
00639 
00640   ParsedCommandStruct templ;
00641   ParsedCommandStruct lang;
00642   bool result = true;
00643 
00644   ExtractCommandString(&templ, b, true);
00645   ExtractCommandString(&lang, a, true);
00646 
00647   /* For each string in templ, see if we find it in lang */
00648   if (templ.np != lang.np) {
00649     strgen_warning("%s: template string and language string have a different # of commands", name);
00650     result = false;
00651   }
00652 
00653   for (uint i = 0; i < templ.np; i++) {
00654     /* see if we find it in lang, and zero it out */
00655     bool found = false;
00656     for (uint j = 0; j < lang.np; j++) {
00657       if (templ.pairs[i].a == lang.pairs[j].a &&
00658           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
00659         /* it was found in both. zero it out from lang so we don't find it again */
00660         lang.pairs[j].a = NULL;
00661         found = true;
00662         break;
00663       }
00664     }
00665 
00666     if (!found) {
00667       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
00668       result = false;
00669     }
00670   }
00671 
00672   /* if we reach here, all non consumer commands match up.
00673    * Check if the non consumer commands match up also. */
00674   for (uint i = 0; i < lengthof(templ.cmd); i++) {
00675     if (TranslateCmdForCompare(templ.cmd[i]) != lang.cmd[i]) {
00676       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
00677         lang.cmd[i]  == NULL ? "<empty>" : TranslateCmdForCompare(lang.cmd[i])->cmd,
00678         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
00679       result = false;
00680     }
00681   }
00682 
00683   return result;
00684 }
00685 
00686 static void HandleString(char *str, bool master)
00687 {
00688   if (*str == '#') {
00689     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2, master);
00690     return;
00691   }
00692 
00693   /* Ignore comments & blank lines */
00694   if (*str == ';' || *str == ' ' || *str == '\0') return;
00695 
00696   char *s = strchr(str, ':');
00697   if (s == NULL) {
00698     strgen_error("Line has no ':' delimiter");
00699     return;
00700   }
00701 
00702   char *t;
00703   /* Trim spaces.
00704    * After this str points to the command name, and s points to the command contents */
00705   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--) {}
00706   *t = 0;
00707   s++;
00708 
00709   /* Check string is valid UTF-8 */
00710   const char *tmp;
00711   for (tmp = s; *tmp != '\0';) {
00712     size_t len = Utf8Validate(tmp);
00713     if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
00714 
00715     WChar c;
00716     Utf8Decode(&c, tmp);
00717     if (c <= 0x001F || // ASCII control character range
00718         (c >= 0xE000 && c <= 0xF8FF) || // Private range
00719         (c >= 0xFFF0 && c <= 0xFFFF)) { // Specials range
00720       error("Unwanted UTF-8 character U+%04X in sequence '%s'", c, s);
00721     }
00722 
00723     tmp += len;
00724   }
00725 
00726   /* Check if the string has a case..
00727    * The syntax for cases is IDENTNAME.case */
00728   char *casep = strchr(str, '.');
00729   if (casep) *casep++ = '\0';
00730 
00731   /* Check if this string already exists.. */
00732   LangString *ent = HashFind(str);
00733 
00734   if (master) {
00735     if (casep != NULL) {
00736       strgen_error("Cases in the base translation are not supported.");
00737       return;
00738     }
00739 
00740     if (ent != NULL) {
00741       strgen_error("String name '%s' is used multiple times", str);
00742       return;
00743     }
00744 
00745     if (_strings[_next_string_id]) {
00746       strgen_error("String ID 0x%X for '%s' already in use by '%s'", _next_string_id, str, _strings[_next_string_id]->name);
00747       return;
00748     }
00749 
00750     /* Allocate a new LangString */
00751     ent = CallocT<LangString>(1);
00752     _strings[_next_string_id] = ent;
00753     ent->index = _next_string_id++;
00754     ent->name = strdup(str);
00755     ent->line = _cur_line;
00756 
00757     HashAdd(str, ent);
00758 
00759     ent->english = strdup(s);
00760   } else {
00761     if (ent == NULL) {
00762       strgen_warning("String name '%s' does not exist in master file", str);
00763       return;
00764     }
00765 
00766     if (ent->translated && casep == NULL) {
00767       strgen_error("String name '%s' is used multiple times", str);
00768       return;
00769     }
00770 
00771     /* make sure that the commands match */
00772     if (!CheckCommandsMatch(s, ent->english, str)) return;
00773 
00774     if (casep != NULL) {
00775       Case *c = MallocT<Case>(1);
00776 
00777       c->caseidx = ResolveCaseName(casep, strlen(casep));
00778       c->string = strdup(s);
00779       c->next = ent->translated_case;
00780       ent->translated_case = c;
00781     } else {
00782       ent->translated = strdup(s);
00783       /* If the string was translated, use the line from the
00784        * translated language so errors in the translated file
00785        * are properly referenced to. */
00786       ent->line = _cur_line;
00787     }
00788   }
00789 }
00790 
00791 
00792 static void rstrip(char *buf)
00793 {
00794   int i = strlen(buf);
00795   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
00796   buf[i] = '\0';
00797 }
00798 
00799 
00800 static void ParseFile(const char *file, bool english)
00801 {
00802   FILE *in;
00803   char buf[2048];
00804 
00805   /* Only look at the final filename to determine whether it's the base language or not */
00806   const char *cur_file = strrchr(_file, PATHSEPCHAR);
00807   const char *next_file = strrchr(file, PATHSEPCHAR);
00808   _translation = next_file != NULL && cur_file != NULL && strcmp(cur_file, next_file) != 0;
00809   _file = file;
00810 
00811   /* For each new file we parse, reset the genders, and language codes */
00812   MemSetT(&_lang, 0);
00813   strecpy(_lang.digit_group_separator, ",", lastof(_lang.digit_group_separator));
00814   strecpy(_lang.digit_group_separator_currency, ",", lastof(_lang.digit_group_separator_currency));
00815   strecpy(_lang.digit_decimal_separator, ".", lastof(_lang.digit_decimal_separator));
00816 
00817   in = fopen(file, "r");
00818   if (in == NULL) error("Cannot open file");
00819   _cur_line = 1;
00820   while (fgets(buf, sizeof(buf), in) != NULL) {
00821     rstrip(buf);
00822     HandleString(buf, english);
00823     _cur_line++;
00824   }
00825   fclose(in);
00826 
00827   if (StrEmpty(_lang.name) || StrEmpty(_lang.own_name) || StrEmpty(_lang.isocode)) {
00828     error("Language must include ##name, ##ownname and ##isocode");
00829   }
00830 }
00831 
00832 
00833 static uint32 MyHashStr(uint32 hash, const char *s)
00834 {
00835   for (; *s != '\0'; s++) {
00836     hash = ROL(hash, 3) ^ *s;
00837     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
00838   }
00839   return hash;
00840 }
00841 
00842 
00843 /* make a hash of the file to get a unique "version number" */
00844 static void MakeHashOfStrings()
00845 {
00846   uint32 hash = 0;
00847   uint i;
00848 
00849   for (i = 0; i != lengthof(_strings); i++) {
00850     const LangString *ls = _strings[i];
00851 
00852     if (ls != NULL) {
00853       const CmdStruct *cs;
00854       const char *s;
00855       char buf[MAX_COMMAND_PARAM_SIZE];
00856       int argno;
00857       int casei;
00858 
00859       s = ls->name;
00860       hash ^= i * 0x717239;
00861       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
00862       hash = MyHashStr(hash, s + 1);
00863 
00864       s = ls->english;
00865       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
00866         if (cs->flags & C_DONTCOUNT) continue;
00867 
00868         hash ^= (cs - _cmd_structs) * 0x1234567;
00869         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
00870       }
00871     }
00872   }
00873   _hash = hash;
00874 }
00875 
00876 
00877 static uint CountInUse(uint grp)
00878 {
00879   int i;
00880 
00881   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
00882   return i + 1;
00883 }
00884 
00885 
00886 bool CompareFiles(const char *n1, const char *n2)
00887 {
00888   FILE *f2 = fopen(n2, "rb");
00889   if (f2 == NULL) return false;
00890 
00891   FILE *f1 = fopen(n1, "rb");
00892   if (f1 == NULL) error("can't open %s", n1);
00893 
00894   size_t l1, l2;
00895   do {
00896     char b1[4096];
00897     char b2[4096];
00898     l1 = fread(b1, 1, sizeof(b1), f1);
00899     l2 = fread(b2, 1, sizeof(b2), f2);
00900 
00901     if (l1 != l2 || memcmp(b1, b2, l1)) {
00902       fclose(f2);
00903       fclose(f1);
00904       return false;
00905     }
00906   } while (l1);
00907 
00908   fclose(f2);
00909   fclose(f1);
00910   return true;
00911 }
00912 
00913 
00914 static void WriteStringsH(const char *filename)
00915 {
00916   int next = -1;
00917 
00918   _output_filename = "tmp.xxx";
00919   _output_file = fopen(_output_filename, "w");
00920   if (_output_file == NULL) error("can't open tmp.xxx");
00921 
00922   fprintf(_output_file, "/* This file is automatically generated. Do not modify */\n\n");
00923   fprintf(_output_file, "#ifndef TABLE_STRINGS_H\n");
00924   fprintf(_output_file, "#define TABLE_STRINGS_H\n");
00925 
00926   for (int i = 0; i != lengthof(_strings); i++) {
00927     if (_strings[i] != NULL) {
00928       if (next != i) fprintf(_output_file, "\n");
00929       fprintf(_output_file, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
00930       next = i + 1;
00931     }
00932   }
00933 
00934   fprintf(_output_file, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n\n", next - 1);
00935 
00936   /* Find the plural form with the most amount of cases. */
00937   int max_plural_forms = 0;
00938   for (uint i = 0; i < lengthof(_plural_forms); i++) {
00939     max_plural_forms = max(max_plural_forms, _plural_forms[i].plural_count);
00940   }
00941 
00942   fprintf(_output_file,
00943     "static const uint LANGUAGE_PACK_VERSION     = 0x%X;\n"
00944     "static const uint LANGUAGE_MAX_PLURAL       = %d;\n"
00945     "static const uint LANGUAGE_MAX_PLURAL_FORMS = %d;\n\n",
00946     (uint)_hash, (uint)lengthof(_plural_forms), max_plural_forms
00947   );
00948 
00949   fprintf(_output_file, "#endif /* TABLE_STRINGS_H */\n");
00950 
00951   fclose(_output_file);
00952   _output_file = NULL;
00953 
00954   if (CompareFiles(_output_filename, filename)) {
00955     /* files are equal. tmp.xxx is not needed */
00956     unlink(_output_filename);
00957   } else {
00958     /* else rename tmp.xxx into filename */
00959 #if defined(WIN32) || defined(WIN64)
00960     unlink(filename);
00961 #endif
00962     if (rename(_output_filename, filename) == -1) error("rename() failed");
00963   }
00964   _output_filename = NULL;
00965 }
00966 
00967 static int TranslateArgumentIdx(int argidx, int offset)
00968 {
00969   int sum;
00970 
00971   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd)) {
00972     error("invalid argidx %d", argidx);
00973   }
00974   const CmdStruct *cs = _cur_pcs.cmd[argidx];
00975   if (cs != NULL && cs->consumes <= offset) {
00976     error("invalid argidx offset %d:%d", argidx, offset);
00977   }
00978 
00979   if (_cur_pcs.cmd[argidx] == NULL) {
00980     error("no command for this argidx %d", argidx);
00981   }
00982 
00983   for (int i = sum = 0; i < argidx; i++) {
00984     const CmdStruct *cs = _cur_pcs.cmd[i];
00985 
00986     sum += (cs != NULL) ? cs->consumes : 1;
00987   }
00988 
00989   return sum + offset;
00990 }
00991 
00992 static void PutArgidxCommand()
00993 {
00994   PutUtf8(SCC_ARG_INDEX);
00995   PutByte(TranslateArgumentIdx(_cur_argidx));
00996 }
00997 
00998 
00999 static void PutCommandString(const char *str)
01000 {
01001   _cur_argidx = 0;
01002 
01003   while (*str != '\0') {
01004     /* Process characters as they are until we encounter a { */
01005     if (*str != '{') {
01006       PutByte(*str++);
01007       continue;
01008     }
01009 
01010     char param[MAX_COMMAND_PARAM_SIZE];
01011     int argno;
01012     int casei;
01013     const CmdStruct *cs = ParseCommandString(&str, param, &argno, &casei);
01014     if (cs == NULL) break;
01015 
01016     if (casei != -1) {
01017       PutUtf8(SCC_SETCASE); // {SETCASE}
01018       PutByte(casei);
01019     }
01020 
01021     /* For params that consume values, we need to handle the argindex properly */
01022     if (cs->consumes > 0) {
01023       /* Check if we need to output a move-param command */
01024       if (argno != -1 && argno != _cur_argidx) {
01025         _cur_argidx = argno;
01026         PutArgidxCommand();
01027       }
01028 
01029       /* Output the one from the master string... it's always accurate. */
01030       cs = _cur_pcs.cmd[_cur_argidx++];
01031       if (cs == NULL) {
01032         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
01033       }
01034     }
01035 
01036     cs->proc(param, cs->value);
01037   }
01038 }
01039 
01040 static void WriteLength(FILE *f, uint length)
01041 {
01042   if (length < 0xC0) {
01043     fputc(length, f);
01044   } else if (length < 0x4000) {
01045     fputc((length >> 8) | 0xC0, f);
01046     fputc(length & 0xFF, f);
01047   } else {
01048     error("string too long");
01049   }
01050 }
01051 
01052 
01053 static void WriteLangfile(const char *filename)
01054 {
01055   uint in_use[32];
01056 
01057   _output_filename = filename;
01058   _output_file = fopen(filename, "wb");
01059   if (_output_file == NULL) error("can't open %s", filename);
01060 
01061   for (int i = 0; i != 32; i++) {
01062     uint n = CountInUse(i);
01063 
01064     in_use[i] = n;
01065     _lang.offsets[i] = TO_LE16(n);
01066   }
01067 
01068   _lang.ident = TO_LE32(LanguagePackHeader::IDENT);
01069   _lang.version = TO_LE32(_hash);
01070   _lang.winlangid = TO_LE16(_lang.winlangid);
01071 
01072   fwrite(&_lang, sizeof(_lang), 1, _output_file);
01073 
01074   for (int i = 0; i != 32; i++) {
01075     for (uint j = 0; j != in_use[i]; j++) {
01076       const LangString *ls = _strings[(i << 11) + j];
01077       const Case *casep;
01078       const char *cmdp;
01079 
01080       /* For undefined strings, just set that it's an empty string */
01081       if (ls == NULL) {
01082         WriteLength(_output_file, 0);
01083         continue;
01084       }
01085 
01086       _cur_ident = ls->name;
01087       _cur_line = ls->line;
01088 
01089       /* Produce a message if a string doesn't have a translation. */
01090       if (_show_todo > 0 && ls->translated == NULL) {
01091         if ((_show_todo & 2) != 0) {
01092           strgen_warning("'%s' is untranslated", ls->name);
01093         }
01094         if ((_show_todo & 1) != 0) {
01095           const char *s = "<TODO> ";
01096           while (*s != '\0') PutByte(*s++);
01097         }
01098       }
01099 
01100       /* Extract the strings and stuff from the english command string */
01101       ExtractCommandString(&_cur_pcs, ls->english, false);
01102 
01103       if (ls->translated_case != NULL || ls->translated != NULL) {
01104         casep = ls->translated_case;
01105         cmdp = ls->translated;
01106       } else {
01107         casep = NULL;
01108         cmdp = ls->english;
01109       }
01110 
01111       _translated = _masterlang || (cmdp != ls->english);
01112 
01113       if (casep != NULL) {
01114         const Case *c;
01115         uint num;
01116 
01117         /* Need to output a case-switch.
01118          * It has this format
01119          * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
01120          * Each LEN is printed using 2 bytes in big endian order. */
01121         PutUtf8(SCC_SWITCH_CASE);
01122         /* Count the number of cases */
01123         for (num = 0, c = casep; c; c = c->next) num++;
01124         PutByte(num);
01125 
01126         /* Write each case */
01127         for (c = casep; c != NULL; c = c->next) {
01128           uint pos;
01129 
01130           PutByte(c->caseidx);
01131           /* Make some space for the 16-bit length */
01132           pos = _put_pos;
01133           PutByte(0);
01134           PutByte(0);
01135           /* Write string */
01136           PutCommandString(c->string);
01137           PutByte(0); // terminate with a zero
01138           /* Fill in the length */
01139           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
01140           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
01141         }
01142       }
01143 
01144       if (cmdp != NULL) PutCommandString(cmdp);
01145 
01146       WriteLength(_output_file, _put_pos);
01147       fwrite(_put_buf, 1, _put_pos, _output_file);
01148       _put_pos = 0;
01149     }
01150   }
01151 
01152   fputc(0, _output_file);
01153   fclose(_output_file);
01154 
01155   _output_file = NULL;
01156   _output_filename = NULL;
01157 }
01158 
01160 static inline void ottd_mkdir(const char *directory)
01161 {
01162 #if defined(WIN32) || defined(__WATCOMC__)
01163     mkdir(directory);
01164 #else
01165     mkdir(directory, 0755);
01166 #endif
01167 }
01168 
01174 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
01175 {
01176   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
01177 
01178   char *p = strchr(buf, '\0'); // add path seperator if necessary
01179   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
01180   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
01181   return buf;
01182 }
01183 
01184 #if defined(__MINGW32__)
01185 
01190 static inline char *replace_pathsep(char *s)
01191 {
01192   for (char *c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
01193   return s;
01194 }
01195 #else
01196 static inline char *replace_pathsep(char *s) { return s; }
01197 #endif
01198 
01199 int CDECL main(int argc, char *argv[])
01200 {
01201   char pathbuf[MAX_PATH];
01202   const char *src_dir = ".";
01203   const char *dest_dir = NULL;
01204 
01205   while (argc > 1 && *argv[1] == '-') {
01206     if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
01207       puts("$Revision: 21474 $");
01208       return 0;
01209     }
01210 
01211     if (strcmp(argv[1], "-export-commands") == 0) {
01212       printf("args\tflags\tcommand\treplacement\n");
01213       for (const CmdStruct *cs = _cmd_structs; cs < endof(_cmd_structs); cs++) {
01214         char flags;
01215         switch (cs->value) {
01216           case 0x200E: case 0x200F: // Implicit BIDI controls
01217           case 0x202A: case 0x202B: case 0x202C: case 0x202D: case 0x202E: // Explicit BIDI controls
01218           case 0xA0: // Non breaking space
01219           case '\n': // Newlines may be added too
01220           case '{':  // This special
01221             /* This command may be in the translation when it is not in base */
01222             flags = 'i';
01223             break;
01224 
01225           default:
01226             if (cs->proc == EmitGender) {
01227               flags = 'g'; // Command needs number of parameters defined by number of genders
01228             } else if (cs->proc == EmitPlural) {
01229               flags = 'p'; // Command needs number of parameters defined by plural value
01230             } else {
01231               flags = '0'; // Command needs no parameters
01232             }
01233         }
01234         printf("%i\t%c\t\"%s\"\t\"%s\"\n", cs->consumes, flags, cs->cmd, strstr(cs->cmd, "STRING") ? "STRING" : cs->cmd);
01235       }
01236       return 0;
01237     }
01238 
01239     if (strcmp(argv[1], "-export-plurals") == 0) {
01240       printf("count\tdescription\n");
01241       for (const PluralForm *pf = _plural_forms; pf < endof(_plural_forms); pf++) {
01242         printf("%i\t\"%s\"\n", pf->plural_count, pf->description);
01243       }
01244       return 0;
01245     }
01246 
01247     if (strcmp(argv[1], "-export-pragmas") == 0) {
01248       printf("name\tflags\tdefault\tdescription\n");
01249       for (size_t i = 0; i < lengthof(_pragmas); i++) {
01250         printf("\"%s\"\t%s\t\"%s\"\t\"%s\"\n",
01251             _pragmas[i][0], _pragmas[i][1], _pragmas[i][2], _pragmas[i][3]);
01252       }
01253       return 0;
01254     }
01255 
01256     if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
01257       _show_todo |= 1;
01258       argc--, argv++;
01259       continue;
01260     }
01261 
01262     if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
01263       _show_todo |= 2;
01264       argc--, argv++;
01265       continue;
01266     }
01267 
01268     if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
01269       puts(
01270         "strgen - $Revision: 21474 $\n"
01271         " -v | --version    print version information and exit\n"
01272         " -t | --todo       replace any untranslated strings with '<TODO>'\n"
01273         " -w | --warning    print a warning for any untranslated strings\n"
01274         " -h | -? | --help  print this help message and exit\n"
01275         " -s | --source_dir search for english.txt in the specified directory\n"
01276         " -d | --dest_dir   put output file in the specified directory, create if needed\n"
01277         " -export-commands  export all commands and exit\n"
01278         " -export-plurals   export all plural forms and exit\n"
01279         " -export-pragmas   export all pragmas and exit\n"
01280         " Run without parameters and strgen will search for english.txt and parse it,\n"
01281         " creating strings.h. Passing an argument, strgen will translate that language\n"
01282         " file using english.txt as a reference and output <language>.lng."
01283       );
01284       return 0;
01285     }
01286 
01287     if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
01288       src_dir = replace_pathsep(argv[2]);
01289       argc -= 2, argv += 2;
01290       continue;
01291     }
01292 
01293     if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
01294       dest_dir = replace_pathsep(argv[2]);
01295       argc -= 2, argv += 2;
01296       continue;
01297     }
01298 
01299     fprintf(stderr, "Invalid arguments\n");
01300     return 0;
01301   }
01302 
01303   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
01304 
01305   /* strgen has two modes of operation. If no (free) arguments are passed
01306    * strgen generates strings.h to the destination directory. If it is supplied
01307    * with a (free) parameter the program will translate that language to destination
01308    * directory. As input english.txt is parsed from the source directory */
01309   if (argc == 1) {
01310     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
01311 
01312     /* parse master file */
01313     _masterlang = true;
01314     ParseFile(pathbuf, true);
01315     MakeHashOfStrings();
01316     if (_errors) return 1;
01317 
01318     /* write strings.h */
01319     ottd_mkdir(dest_dir);
01320     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
01321     WriteStringsH(pathbuf);
01322   } else if (argc == 2) {
01323     char *r;
01324 
01325     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
01326 
01327     /* parse master file and check if target file is correct */
01328     _masterlang = false;
01329     ParseFile(pathbuf, true);
01330     MakeHashOfStrings();
01331     ParseFile(replace_pathsep(argv[1]), false); // target file
01332     if (_errors) return 1;
01333 
01334     /* get the targetfile, strip any directories and append to destination path */
01335     r = strrchr(argv[1], PATHSEPCHAR);
01336     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
01337 
01338     /* rename the .txt (input-extension) to .lng */
01339     r = strrchr(pathbuf, '.');
01340     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
01341     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
01342     WriteLangfile(pathbuf);
01343 
01344     /* if showing warnings, print a summary of the language */
01345     if ((_show_todo & 2) != 0) {
01346       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
01347     }
01348   } else {
01349     fprintf(stderr, "Invalid arguments\n");
01350   }
01351 
01352   return 0;
01353 }

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