# strgen.cpp

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    00001 /* $Id: strgen.cpp 19114 2010-02-12 23:47:50Z 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 "../string_func.h"
    00016 #include "../strings_type.h"
    00017 #include "strgen.h"
    00018 #include "../table/control_codes.h"
    00019
    00020 #include <stdarg.h>
    00021
    00022 #if (!defined(WIN32) && !defined(WIN64)) || defined(__CYGWIN__)
    00023 #include <unistd.h>
    00024 #include <sys/stat.h>
    00025 #endif
    00026
    00027 #if defined WIN32 || defined __WATCOMC__
    00028 #include <direct.h>
    00029 #endif /* WIN32 || __WATCOMC__ */
    00030
    00031 #ifdef __MORPHOS__
    00032 #ifdef stderr
    00033 #undef stderr
    00034 #endif
    00035 #define stderr stdout
    00036 #endif /* __MORPHOS__ */
    00037
    00038 #include "../table/strgen_tables.h"
    00039
    00040 /* Compiles a list of strings into a compiled string list */
    00041
    00042 struct Case {
    00043   int caseidx;
    00044   char *string;
    00045   Case *next;
    00046 };
    00047
    00048 static bool _masterlang;
    00049 static bool _translated;
    00050 static bool _translation;
    00051 static const char *_file = "(unknown file)";
    00052 static FILE *_output_file = NULL;
    00053 static const char *_output_filename = NULL;
    00054 static int _cur_line;
    00055 static int _errors, _warnings, _show_todo;
    00056
    00057 struct LangString {
    00058   char *name;            // Name of the string
    00059   char *english;         // English text
    00060   char *translated;      // Translated text
    00061   uint16 hash_next;      // next hash entry
    00062   uint16 index;
    00063   int line;              // line of string in source-file
    00064   Case *english_case;    // cases for english
    00065   Case *translated_case; // cases for foreign
    00066 };
    00067
    00068 static LangString *_strings[65536];
    00069
    00070
    00071 #define HASH_SIZE 32767
    00072 static uint16 _hash_head[HASH_SIZE];
    00073
    00074 static byte _put_buf[4096];
    00075 static int _put_pos;
    00076 static int _next_string_id;
    00077
    00078 static uint32 _hash;
    00079 static char _lang_name[32], _lang_ownname[32], _lang_isocode[16];
    00080 static char _lang_digit_group_separator[8];
    00081 static char _lang_digit_group_separator_currency[8];
    00082 static char _lang_digit_decimal_separator[8];
    00083 static byte _lang_pluralform;
    00084 static byte _lang_textdir;
    00085 static uint16 _lang_winlangid;
    00086 static uint8 _lang_newgrflangid;
    00087 #define MAX_NUM_GENDER 8
    00088 static char _genders[MAX_NUM_GENDER][16];
    00089 static uint _numgenders;
    00090
    00091 /* contains the name of all cases. */
    00092 #define MAX_NUM_CASES 50
    00093 static char _cases[MAX_NUM_CASES][16];
    00094 static uint _numcases;
    00095
    00096 static const char *_cur_ident;
    00097
    00098 struct CmdPair {
    00099   const CmdStruct *a;
    00100   const char *v;
    00101 };
    00102
    00103 struct ParsedCommandStruct {
    00104   uint np;
    00105   CmdPair pairs[32];
    00106   const CmdStruct *cmd[32]; // ordered by param #
    00107 };
    00108
    00109 /* Used when generating some advanced commands. */
    00110 static ParsedCommandStruct _cur_pcs;
    00111 static int _cur_argidx;
    00112
    00113 static uint HashStr(const char *s)
    00114 {
    00115   uint hash = 0;
    00116   for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
    00117   return hash % HASH_SIZE;
    00118 }
    00119
    00120 static void HashAdd(const char *s, LangString *ls)
    00121 {
    00122   uint hash = HashStr(s);
    00123   ls->hash_next = _hash_head[hash];
    00124   _hash_head[hash] = ls->index + 1;
    00125 }
    00126
    00127 static LangString *HashFind(const char *s)
    00128 {
    00129   int idx = _hash_head[HashStr(s)];
    00130
    00131   while (--idx >= 0) {
    00132     LangString *ls = _strings[idx];
    00133
    00134     if (strcmp(ls->name, s) == 0) return ls;
    00135     idx = ls->hash_next;
    00136   }
    00137   return NULL;
    00138 }
    00139
    00140 #ifdef _MSC_VER
    00141 # define LINE_NUM_FMT(s) "%s (%d): warning: %s (" s ")\n"
    00142 #else
    00143 # define LINE_NUM_FMT(s) "%s: :%d: " s ": %s\n"
    00144 #endif
    00145
    00146 static void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
    00147
    00148 static void CDECL strgen_warning(const char *s, ...)
    00149 {
    00150   char buf[1024];
    00151   va_list va;
    00152   va_start(va, s);
    00153   vsnprintf(buf, lengthof(buf), s, va);
    00154   va_end(va);
    00155   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, buf);
    00156   _warnings++;
    00157 }
    00158
    00159 static void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);
    00160
    00161 static void CDECL strgen_error(const char *s, ...)
    00162 {
    00163   char buf[1024];
    00164   va_list va;
    00165   va_start(va, s);
    00166   vsnprintf(buf, lengthof(buf), s, va);
    00167   va_end(va);
    00168   fprintf(stderr, LINE_NUM_FMT("error"), _file, _cur_line, buf);
    00169   _errors++;
    00170 }
    00171
    00172 void NORETURN CDECL error(const char *s, ...)
    00173 {
    00174   char buf[1024];
    00175   va_list va;
    00176   va_start(va, s);
    00177   vsnprintf(buf, lengthof(buf), s, va);
    00178   va_end(va);
    00179   fprintf(stderr, LINE_NUM_FMT("FATAL"), _file, _cur_line, buf);
    00180 #ifdef _MSC_VER
    00181   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, "language is not compiled");
    00182 #endif
    00183   /* We were writing output to a file, remove it. */
    00184   if (_output_file != NULL) {
    00185     fclose(_output_file);
    00186     unlink(_output_filename);
    00187   }
    00188   exit(1);
    00189 }
    00190
    00191 static void PutByte(byte c)
    00192 {
    00193   if (_put_pos == lengthof(_put_buf)) error("Put buffer too small");
    00194   _put_buf[_put_pos++] = c;
    00195 }
    00196
    00197
    00198 static void PutUtf8(uint32 value)
    00199 {
    00200   if (value < 0x80) {
    00201     PutByte(value);
    00202   } else if (value < 0x800) {
    00203     PutByte(0xC0 + GB(value,  6, 5));
    00204     PutByte(0x80 + GB(value,  0, 6));
    00205   } else if (value < 0x10000) {
    00206     PutByte(0xE0 + GB(value, 12, 4));
    00207     PutByte(0x80 + GB(value,  6, 6));
    00208     PutByte(0x80 + GB(value,  0, 6));
    00209   } else if (value < 0x110000) {
    00210     PutByte(0xF0 + GB(value, 18, 3));
    00211     PutByte(0x80 + GB(value, 12, 6));
    00212     PutByte(0x80 + GB(value,  6, 6));
    00213     PutByte(0x80 + GB(value,  0, 6));
    00214   } else {
    00215     strgen_warning("Invalid unicode value U+0x%X", value);
    00216   }
    00217 }
    00218
    00219
    00220 size_t Utf8Validate(const char *s)
    00221 {
    00222   uint32 c;
    00223
    00224   if (!HasBit(s[0], 7)) {
    00225     /* 1 byte */
    00226     return 1;
    00227   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
    00228     /* 2 bytes */
    00229     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
    00230     if (c >= 0x80) return 2;
    00231   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
    00232     /* 3 bytes */
    00233     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
    00234     if (c >= 0x800) return 3;
    00235   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
    00236     /* 4 bytes */
    00237     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
    00238     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
    00239   }
    00240
    00241   return 0;
    00242 }
    00243
    00244
    00245 static void EmitSingleChar(char *buf, int value)
    00246 {
    00247   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
    00248   PutUtf8(value);
    00249 }
    00250
    00251
    00252 /* The plural specifier looks like
    00253  * {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM */
    00254
    00255 /* This is encoded like
    00256  *  CommandByte <ARG#> <NUM> {Length of each string} {each string} */
    00257
    00258 bool ParseRelNum(char **buf, int *value, int *offset)
    00259 {
    00260   const char *s = *buf;
    00261   char *end;
    00262   bool rel = false;
    00263
    00264   while (*s == ' ' || *s == '\t') s++;
    00265   if (*s == '+') {
    00266     rel = true;
    00267     s++;
    00268   }
    00269   int v = strtol(s, &end, 0);
    00270   if (end == s) return false;
    00271   if (rel || v < 0) {
    00272     *value += v;
    00273   } else {
    00274     *value = v;
    00275   }
    00276   if (offset != NULL && *end == ':') {
    00277     /* Take the Nth within */
    00278     s = end + 1;
    00279     *offset = strtol(s, &end, 0);
    00280     if (end == s) return false;
    00281   }
    00282   *buf = end;
    00283   return true;
    00284 }
    00285
    00286 /* Parse out the next word, or NULL */
    00287 char *ParseWord(char **buf)
    00288 {
    00289   char *s = *buf, *r;
    00290
    00291   while (*s == ' ' || *s == '\t') s++;
    00292   if (*s == '\0') return NULL;
    00293
    00294   if (*s == '"') {
    00295     r = ++s;
    00296     /* parse until next " or NUL */
    00297     for (;;) {
    00298       if (*s == '\0') break;
    00299       if (*s == '"') {
    00300         *s++ = '\0';
    00301         break;
    00302       }
    00303       s++;
    00304     }
    00305   } else {
    00306     /* proceed until whitespace or NUL */
    00307     r = s;
    00308     for (;;) {
    00309       if (*s == '\0') break;
    00310       if (*s == ' ' || *s == '\t') {
    00311         *s++ = '\0';
    00312         break;
    00313       }
    00314       s++;
    00315     }
    00316   }
    00317   *buf = s;
    00318   return r;
    00319 }
    00320
    00321 /* Forward declaration */
    00322 static int TranslateArgumentIdx(int arg, int offset = 0);
    00323
    00324 static void EmitWordList(const char * const *words, uint nw)
    00325 {
    00326   PutByte(nw);
    00327   for (uint i = 0; i < nw; i++) PutByte(strlen(words[i]) + 1);
    00328   for (uint i = 0; i < nw; i++) {
    00329     for (uint j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
    00330     PutByte(0);
    00331   }
    00332 }
    00333
    00334 static void EmitPlural(char *buf, int value)
    00335 {
    00336   int argidx = _cur_argidx;
    00337   int offset = 0;
    00338   const char *words[5];
    00339   int nw = 0;
    00340
    00341   /* Parse out the number, if one exists. Otherwise default to prev arg. */
    00342   if (!ParseRelNum(&buf, &argidx, &offset)) argidx--;
    00343
    00344   /* Parse each string */
    00345   for (nw = 0; nw < 5; nw++) {
    00346     words[nw] = ParseWord(&buf);
    00347     if (words[nw] == NULL) break;
    00348   }
    00349
    00350   if (nw == 0) {
    00351     error("%s: No plural words", _cur_ident);
    00352   }
    00353
    00354   if (_plural_forms[_lang_pluralform].plural_count != nw) {
    00355     if (_translated) {
    00356       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
    00357         _plural_forms[_lang_pluralform].plural_count, nw);
    00358     } else {
    00359       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
    00360       if (nw > _plural_forms[_lang_pluralform].plural_count) {
    00361         nw = _plural_forms[_lang_pluralform].plural_count;
    00362       } else {
    00363         for (; nw < _plural_forms[_lang_pluralform].plural_count; nw++) {
    00364           words[nw] = words[nw - 1];
    00365         }
    00366       }
    00367     }
    00368   }
    00369
    00370   PutUtf8(SCC_PLURAL_LIST);
    00371   PutByte(TranslateArgumentIdx(argidx, offset));
    00372   EmitWordList(words, nw);
    00373 }
    00374
    00375
    00376 static void EmitGender(char *buf, int value)
    00377 {
    00378   int argidx = _cur_argidx;
    00379   int offset = 0;
    00380   uint nw;
    00381
    00382   if (buf[0] == '=') {
    00383     buf++;
    00384
    00385     /* This is a {G=DER} command */
    00386     for (nw = 0; ; nw++) {
    00387       if (nw >= MAX_NUM_GENDER) error("G argument '%s' invalid", buf);
    00388       if (strcmp(buf, _genders[nw]) == 0) break;
    00389     }
    00390     /* now nw contains the gender index */
    00391     PutUtf8(SCC_GENDER_INDEX);
    00392     PutByte(nw);
    00393   } else {
    00394     const char *words[MAX_NUM_GENDER];
    00395
    00396     /* This is a {G 0 foo bar two} command.
    00397      * If no relative number exists, default to +0 */
    00398     if (!ParseRelNum(&buf, &argidx, &offset)) {}
    00399
    00400     for (nw = 0; nw < MAX_NUM_GENDER; nw++) {
    00401       words[nw] = ParseWord(&buf);
    00402       if (words[nw] == NULL) break;
    00403     }
    00404     if (nw != _numgenders) error("Bad # of arguments for gender command");
    00405     PutUtf8(SCC_GENDER_LIST);
    00406     PutByte(TranslateArgumentIdx(argidx, offset));
    00407     EmitWordList(words, nw);
    00408   }
    00409 }
    00410
    00411 static const CmdStruct *FindCmd(const char *s, int len)
    00412 {
    00413   for (const CmdStruct *cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
    00414     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
    00415   }
    00416   return NULL;
    00417 }
    00418
    00419 static uint ResolveCaseName(const char *str, uint len)
    00420 {
    00421   for (uint i = 0; i < MAX_NUM_CASES; i++) {
    00422     if (memcmp(_cases[i], str, len) == 0 && _cases[i][len] == 0) return i + 1;
    00423   }
    00424   error("Invalid case-name '%s'", str);
    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 == 250) 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)
    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_ownname, str + 8, lastof(_lang_ownname));
    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_pluralform = atoi(str + 7);
    00518     if (_lang_pluralform >= lengthof(_plural_forms))
    00519       error("Invalid pluralform %d", _lang_pluralform);
    00520   } else if (!memcmp(str, "textdir ", 8)) {
    00521     if (!memcmp(str + 8, "ltr", 3)) {
    00522       _lang_textdir = TD_LTR;
    00523     } else if (!memcmp(str + 8, "rtl", 3)) {
    00524       _lang_textdir = TD_RTL;
    00525     } else {
    00526       error("Invalid textdir %s", str + 8);
    00527     }
    00528   } else if (!memcmp(str, "digitsep ", 9)) {
    00529     str += 9;
    00530     strecpy(_lang_digit_group_separator, strcmp(str, "{NBSP}") == 0 ? "\xC2\xA0" : str, lastof(_lang_digit_group_separator));
    00531   } else if (!memcmp(str, "digitsepcur ", 12)) {
    00532     str += 12;
    00533     strecpy(_lang_digit_group_separator_currency, strcmp(str, "{NBSP}") == 0 ? "\xC2\xA0" : str, lastof(_lang_digit_group_separator_currency));
    00534   } else if (!memcmp(str, "decimalsep ", 11)) {
    00535     str += 11;
    00536     strecpy(_lang_digit_decimal_separator, strcmp(str, "{NBSP}") == 0 ? "\xC2\xA0" : str, lastof(_lang_digit_decimal_separator));
    00537   } else if (!memcmp(str, "winlangid ", 10)) {
    00538     const char *buf = str + 10;
    00539     long langid = strtol(buf, NULL, 16);
    00540     if (langid > (long)UINT16_MAX || langid < 0) {
    00541       error("Invalid winlangid %s", buf);
    00542     }
    00543     _lang_winlangid = (uint16)langid;
    00544   } else if (!memcmp(str, "grflangid ", 10)) {
    00545     const char *buf = str + 10;
    00546     long langid = strtol(buf, NULL, 16);
    00547     if (langid >= 0x7F || langid < 0) {
    00548       error("Invalid grflangid %s", buf);
    00549     }
    00550     _lang_newgrflangid = (uint8)langid;
    00551   } else if (!memcmp(str, "gender ", 7)) {
    00552     char *buf = str + 7;
    00553
    00554     for (;;) {
    00555       const char *s = ParseWord(&buf);
    00556
    00557       if (s == NULL) break;
    00558       if (_numgenders >= MAX_NUM_GENDER) error("Too many genders, max %d", MAX_NUM_GENDER);
    00559       strecpy(_genders[_numgenders], s, lastof(_genders[_numgenders]));
    00560       _numgenders++;
    00561     }
    00562   } else if (!memcmp(str, "case ", 5)) {
    00563     char *buf = str + 5;
    00564
    00565     for (;;) {
    00566       const char *s = ParseWord(&buf);
    00567
    00568       if (s == NULL) break;
    00569       if (_numcases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
    00570       strecpy(_cases[_numcases], s, lastof(_cases[_numcases]));
    00571       _numcases++;
    00572     }
    00573   } else {
    00574     error("unknown pragma '%s'", str);
    00575   }
    00576 }
    00577
    00578 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
    00579 {
    00580   char param[100];
    00581   int argno;
    00582   int argidx = 0;
    00583   int casei;
    00584
    00585   memset(p, 0, sizeof(*p));
    00586
    00587   for (;;) {
    00588     /* read until next command from a. */
    00589     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
    00590
    00591     if (ar == NULL) break;
    00592
    00593     /* Sanity checking */
    00594     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
    00595
    00596     if (ar->consumes) {
    00597       if (argno != -1) argidx = argno;
    00598       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
    00599       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
    00600
    00601       p->cmd[argidx++] = ar;
    00602     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
    00603       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max " PRINTF_SIZE, lengthof(p->pairs));
    00604       p->pairs[p->np].a = ar;
    00605       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
    00606       p->np++;
    00607     }
    00608   }
    00609 }
    00610
    00611
    00612 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
    00613 {
    00614   if (a == NULL) return NULL;
    00615
    00616   if (strcmp(a->cmd, "STRING1") == 0 ||
    00617       strcmp(a->cmd, "STRING2") == 0 ||
    00618       strcmp(a->cmd, "STRING3") == 0 ||
    00619       strcmp(a->cmd, "STRING4") == 0 ||
    00620       strcmp(a->cmd, "STRING5") == 0 ||
    00621       strcmp(a->cmd, "RAW_STRING") == 0) {
    00622     return FindCmd("STRING", 6);
    00623   }
    00624
    00625   return a;
    00626 }
    00627
    00628
    00629 static bool CheckCommandsMatch(char *a, char *b, const char *name)
    00630 {
    00631   /* If we're not translating, i.e. we're compiling the base language,
    00632    * it is pointless to do all these checks as it'll always be correct.
    00633    * After all, all checks are based on the base language.
    00634    */
    00635   if (!_translation) return true;
    00636
    00637   ParsedCommandStruct templ;
    00638   ParsedCommandStruct lang;
    00639   bool result = true;
    00640
    00641   ExtractCommandString(&templ, b, true);
    00642   ExtractCommandString(&lang, a, true);
    00643
    00644   /* For each string in templ, see if we find it in lang */
    00645   if (templ.np != lang.np) {
    00646     strgen_warning("%s: template string and language string have a different # of commands", name);
    00647     result = false;
    00648   }
    00649
    00650   for (uint i = 0; i < templ.np; i++) {
    00651     /* see if we find it in lang, and zero it out */
    00652     bool found = false;
    00653     for (uint j = 0; j < lang.np; j++) {
    00654       if (templ.pairs[i].a == lang.pairs[j].a &&
    00655           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
    00656         /* it was found in both. zero it out from lang so we don't find it again */
    00657         lang.pairs[j].a = NULL;
    00658         found = true;
    00659         break;
    00660       }
    00661     }
    00662
    00663     if (!found) {
    00664       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
    00665       result = false;
    00666     }
    00667   }
    00668
    00669   /* if we reach here, all non consumer commands match up.
    00670    * Check if the non consumer commands match up also. */
    00671   for (uint i = 0; i < lengthof(templ.cmd); i++) {
    00672     if (TranslateCmdForCompare(templ.cmd[i]) != lang.cmd[i]) {
    00673       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
    00674         lang.cmd[i]  == NULL ? "<empty>" : TranslateCmdForCompare(lang.cmd[i])->cmd,
    00675         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
    00676       result = false;
    00677     }
    00678   }
    00679
    00680   return result;
    00681 }
    00682
    00683 static void HandleString(char *str, bool master)
    00684 {
    00685   if (*str == '#') {
    00686     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2);
    00687     return;
    00688   }
    00689
    00690   /* Ignore comments & blank lines */
    00691   if (*str == ';' || *str == ' ' || *str == '\0') return;
    00692
    00693   char *s = strchr(str, ':');
    00694   if (s == NULL) {
    00695     strgen_error("Line has no ':' delimiter");
    00696     return;
    00697   }
    00698
    00699   char *t;
    00700   /* Trim spaces.
    00701    * After this str points to the command name, and s points to the command contents */
    00702   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--) {}
    00703   *t = 0;
    00704   s++;
    00705
    00706   /* Check string is valid UTF-8 */
    00707   const char *tmp;
    00708   for (tmp = s; *tmp != '\0';) {
    00709     size_t len = Utf8Validate(tmp);
    00710     if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
    00711     tmp += len;
    00712   }
    00713
    00714   /* Check if the string has a case..
    00715    * The syntax for cases is IDENTNAME.case */
    00716   char *casep = strchr(str, '.');
    00717   if (casep) *casep++ = '\0';
    00718
    00719   /* Check if this string already exists.. */
    00720   LangString *ent = HashFind(str);
    00721
    00722   if (master) {
    00723     if (ent != NULL && casep == NULL) {
    00724       strgen_error("String name '%s' is used multiple times", str);
    00725       return;
    00726     }
    00727
    00728     if (ent == NULL && casep != NULL) {
    00729       strgen_error("Base string name '%s' doesn't exist yet. Define it before defining a case.", str);
    00730       return;
    00731     }
    00732
    00733     if (ent == NULL) {
    00734       if (_strings[_next_string_id]) {
    00735         strgen_error("String ID 0x%X for '%s' already in use by '%s'", _next_string_id, str, _strings[_next_string_id]->name);
    00736         return;
    00737       }
    00738
    00739       /* Allocate a new LangString */
    00740       ent = CallocT<LangString>(1);
    00741       _strings[_next_string_id] = ent;
    00742       ent->index = _next_string_id++;
    00743       ent->name = strdup(str);
    00744       ent->line = _cur_line;
    00745
    00746       HashAdd(str, ent);
    00747     }
    00748
    00749     if (casep != NULL) {
    00750       Case *c = MallocT<Case>(1);
    00751
    00752       c->caseidx = ResolveCaseName(casep, strlen(casep));
    00753       c->string = strdup(s);
    00754       c->next = ent->english_case;
    00755       ent->english_case = c;
    00756     } else {
    00757       ent->english = strdup(s);
    00758     }
    00759
    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     if (s[0] == ':' && s[1] == '\0' && casep == NULL) {
    00772       /* Special syntax :: means we should just inherit the master string */
    00773       ent->translated = strdup(ent->english);
    00774     } else {
    00775       /* make sure that the commands match */
    00776       if (!CheckCommandsMatch(s, ent->english, str)) return;
    00777
    00778       if (casep != NULL) {
    00779         Case *c = MallocT<Case>(1);
    00780
    00781         c->caseidx = ResolveCaseName(casep, strlen(casep));
    00782         c->string = strdup(s);
    00783         c->next = ent->translated_case;
    00784         ent->translated_case = c;
    00785       } else {
    00786         ent->translated = strdup(s);
    00787         /* If the string was translated, use the line from the
    00788          * translated language so errors in the translated file
    00789          * are properly referenced to. */
    00790         ent->line = _cur_line;
    00791       }
    00792     }
    00793   }
    00794 }
    00795
    00796
    00797 static void rstrip(char *buf)
    00798 {
    00799   int i = strlen(buf);
    00800   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
    00801   buf[i] = '\0';
    00802 }
    00803
    00804
    00805 static void ParseFile(const char *file, bool english)
    00806 {
    00807   FILE *in;
    00808   char buf[2048];
    00809
    00810   /* Only look at the final filename to determine whether it's be base language or not */
    00811   const char *cur_file = strrchr(_file, PATHSEPCHAR);
    00812   const char *next_file = strrchr(file, PATHSEPCHAR);
    00813   _translation = next_file != NULL && cur_file != NULL && strcmp(cur_file, next_file) != 0;
    00814   _file = file;
    00815
    00816   /* For each new file we parse, reset the genders, and language codes */
    00817   _numgenders = 0;
    00818   _lang_name[0] = _lang_ownname[0] = _lang_isocode[0] = '\0';
    00819   strecpy(_lang_digit_group_separator, ",", lastof(_lang_digit_group_separator));
    00820   strecpy(_lang_digit_group_separator_currency, ",", lastof(_lang_digit_group_separator_currency));
    00821   strecpy(_lang_digit_decimal_separator, ".", lastof(_lang_digit_decimal_separator));
    00822   _lang_textdir = TD_LTR;
    00823   _lang_winlangid = 0x0000; // neutral language code
    00824   _lang_newgrflangid = 0; // standard english
    00825   /* TODO:!! We can't reset the cases. In case the translated strings
    00826    * derive some strings from english.... */
    00827
    00828   in = fopen(file, "r");
    00829   if (in == NULL) error("Cannot open file");
    00830   _cur_line = 1;
    00831   while (fgets(buf, sizeof(buf), in) != NULL) {
    00832     rstrip(buf);
    00833     HandleString(buf, english);
    00834     _cur_line++;
    00835   }
    00836   fclose(in);
    00837
    00838   if (StrEmpty(_lang_name) || StrEmpty(_lang_ownname) || StrEmpty(_lang_isocode)) {
    00839     error("Language must include ##name, ##ownname and ##isocode");
    00840   }
    00841 }
    00842
    00843
    00844 static uint32 MyHashStr(uint32 hash, const char *s)
    00845 {
    00846   for (; *s != '\0'; s++) {
    00847     hash = ROL(hash, 3) ^ *s;
    00848     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00849   }
    00850   return hash;
    00851 }
    00852
    00853
    00854 /* make a hash of the file to get a unique "version number" */
    00855 static void MakeHashOfStrings()
    00856 {
    00857   uint32 hash = 0;
    00858   uint i;
    00859
    00860   for (i = 0; i != lengthof(_strings); i++) {
    00861     const LangString *ls = _strings[i];
    00862
    00863     if (ls != NULL) {
    00864       const CmdStruct *cs;
    00865       const char *s;
    00866       char buf[256];
    00867       int argno;
    00868       int casei;
    00869
    00870       s = ls->name;
    00871       hash ^= i * 0x717239;
    00872       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00873       hash = MyHashStr(hash, s + 1);
    00874
    00875       s = ls->english;
    00876       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
    00877         if (cs->flags & C_DONTCOUNT) continue;
    00878
    00879         hash ^= (cs - _cmd_structs) * 0x1234567;
    00880         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
    00881       }
    00882     }
    00883   }
    00884   _hash = hash;
    00885 }
    00886
    00887
    00888 static uint CountInUse(uint grp)
    00889 {
    00890   int i;
    00891
    00892   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
    00893   return i + 1;
    00894 }
    00895
    00896
    00897 bool CompareFiles(const char *n1, const char *n2)
    00898 {
    00899   FILE *f2 = fopen(n2, "rb");
    00900   if (f2 == NULL) return false;
    00901
    00902   FILE *f1 = fopen(n1, "rb");
    00903   if (f1 == NULL) error("can't open %s", n1);
    00904
    00905   size_t l1, l2;
    00906   do {
    00907     char b1[4096];
    00908     char b2[4096];
    00909     l1 = fread(b1, 1, sizeof(b1), f1);
    00910     l2 = fread(b2, 1, sizeof(b2), f2);
    00911
    00912     if (l1 != l2 || memcmp(b1, b2, l1)) {
    00913       fclose(f2);
    00914       fclose(f1);
    00915       return false;
    00916     }
    00917   } while (l1);
    00918
    00919   fclose(f2);
    00920   fclose(f1);
    00921   return true;
    00922 }
    00923
    00924
    00925 static void WriteStringsH(const char *filename)
    00926 {
    00927   int next = -1;
    00928
    00929   _output_filename = "tmp.xxx";
    00930   _output_file = fopen(_output_filename, "w");
    00931   if (_output_file == NULL) error("can't open tmp.xxx");
    00932
    00933   fprintf(_output_file, "/* This file is automatically generated. Do not modify */\n\n");
    00934   fprintf(_output_file, "#ifndef TABLE_STRINGS_H\n");
    00935   fprintf(_output_file, "#define TABLE_STRINGS_H\n");
    00936
    00937   for (int i = 0; i != lengthof(_strings); i++) {
    00938     if (_strings[i] != NULL) {
    00939       if (next != i) fprintf(_output_file, "\n");
    00940       fprintf(_output_file, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
    00941       next = i + 1;
    00942     }
    00943   }
    00944
    00945   fprintf(_output_file, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n", next - 1);
    00946
    00947   fprintf(_output_file,
    00948     "\nenum {\n"
    00949     "\tLANGUAGE_PACK_IDENT = 0x474E414C, // Big Endian value for 'LANG' (LE is 0x 4C 41 4E 47)\n"
    00950     "\tLANGUAGE_PACK_VERSION = 0x%X,\n"
    00951     "};\n", (uint)_hash
    00952   );
    00953
    00954   fprintf(_output_file, "\n#endif /* TABLE_STRINGS_H */\n");
    00955
    00956   fclose(_output_file);
    00957   _output_file = NULL;
    00958
    00959   if (CompareFiles(_output_filename, filename)) {
    00960     /* files are equal. tmp.xxx is not needed */
    00961     unlink(_output_filename);
    00962   } else {
    00963     /* else rename tmp.xxx into filename */
    00964 #if defined(WIN32) || defined(WIN64)
    00965     unlink(filename);
    00966 #endif
    00967     if (rename(_output_filename, filename) == -1) error("rename() failed");
    00968   }
    00969   _output_filename = NULL;
    00970 }
    00971
    00972 static int TranslateArgumentIdx(int argidx, int offset)
    00973 {
    00974   int sum;
    00975
    00976   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd)) {
    00977     error("invalid argidx %d", argidx);
    00978   }
    00979   const CmdStruct *cs = _cur_pcs.cmd[argidx];
    00980   if (cs != NULL && cs->consumes <= offset) {
    00981     error("invalid argidx offset %d:%d", argidx, offset);
    00982   }
    00983
    00984   if (_cur_pcs.cmd[argidx] == NULL) {
    00985     error("no command for this argidx %d", argidx);
    00986   }
    00987
    00988   for (int i = sum = 0; i < argidx; i++) {
    00989     const CmdStruct *cs = _cur_pcs.cmd[i];
    00990
    00991     sum += (cs != NULL) ? cs->consumes : 1;
    00992   }
    00993
    00994   return sum + offset;
    00995 }
    00996
    00997 static void PutArgidxCommand()
    00998 {
    00999   PutUtf8(SCC_ARG_INDEX);
    01000   PutByte(TranslateArgumentIdx(_cur_argidx));
    01001 }
    01002
    01003
    01004 static void PutCommandString(const char *str)
    01005 {
    01006   _cur_argidx = 0;
    01007
    01008   while (*str != '\0') {
    01009     /* Process characters as they are until we encounter a { */
    01010     if (*str != '{') {
    01011       PutByte(*str++);
    01012       continue;
    01013     }
    01014
    01015     char param[256];
    01016     int argno;
    01017     int casei;
    01018     const CmdStruct *cs = ParseCommandString(&str, param, &argno, &casei);
    01019     if (cs == NULL) break;
    01020
    01021     if (casei != -1) {
    01022       PutUtf8(SCC_SETCASE); // {SETCASE}
    01023       PutByte(casei);
    01024     }
    01025
    01026     /* For params that consume values, we need to handle the argindex properly */
    01027     if (cs->consumes > 0) {
    01028       /* Check if we need to output a move-param command */
    01029       if (argno != -1 && argno != _cur_argidx) {
    01030         _cur_argidx = argno;
    01031         PutArgidxCommand();
    01032       }
    01033
    01034       /* Output the one from the master string... it's always accurate. */
    01035       cs = _cur_pcs.cmd[_cur_argidx++];
    01036       if (cs == NULL) {
    01037         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
    01038       }
    01039     }
    01040
    01041     cs->proc(param, cs->value);
    01042   }
    01043 }
    01044
    01045 static void WriteLength(FILE *f, uint length)
    01046 {
    01047   if (length < 0xC0) {
    01048     fputc(length, f);
    01049   } else if (length < 0x4000) {
    01050     fputc((length >> 8) | 0xC0, f);
    01051     fputc(length & 0xFF, f);
    01052   } else {
    01053     error("string too long");
    01054   }
    01055 }
    01056
    01057
    01058 static void WriteLangfile(const char *filename)
    01059 {
    01060   uint in_use[32];
    01061   LanguagePackHeader hdr;
    01062
    01063   _output_filename = filename;
    01064   _output_file = fopen(filename, "wb");
    01065   if (_output_file == NULL) error("can't open %s", filename);
    01066
    01067   memset(&hdr, 0, sizeof(hdr));
    01068   for (int i = 0; i != 32; i++) {
    01069     uint n = CountInUse(i);
    01070
    01071     in_use[i] = n;
    01072     hdr.offsets[i] = TO_LE16(n);
    01073   }
    01074
    01075   /* see line 655: fprintf(..."\tLANGUAGE_PACK_IDENT = 0x474E414C,...) */
    01076   hdr.ident = TO_LE32(0x474E414C); // Big Endian value for 'LANG'
    01077   hdr.version = TO_LE32(_hash);
    01078   hdr.plural_form = _lang_pluralform;
    01079   hdr.text_dir = _lang_textdir;
    01080   hdr.winlangid = TO_LE16(_lang_winlangid);
    01081   hdr.newgrflangid = _lang_newgrflangid;
    01082   strecpy(hdr.name, _lang_name, lastof(hdr.name));
    01083   strecpy(hdr.own_name, _lang_ownname, lastof(hdr.own_name));
    01084   strecpy(hdr.isocode, _lang_isocode, lastof(hdr.isocode));
    01085   strecpy(hdr.digit_group_separator, _lang_digit_group_separator, lastof(hdr.digit_group_separator));
    01086   strecpy(hdr.digit_group_separator_currency, _lang_digit_group_separator_currency, lastof(hdr.digit_group_separator_currency));
    01087   strecpy(hdr.digit_decimal_separator, _lang_digit_decimal_separator, lastof(hdr.digit_decimal_separator));
    01088
    01089   fwrite(&hdr, sizeof(hdr), 1, _output_file);
    01090
    01091   for (int i = 0; i != 32; i++) {
    01092     for (uint j = 0; j != in_use[i]; j++) {
    01093       const LangString *ls = _strings[(i << 11) + j];
    01094       const Case *casep;
    01095       const char *cmdp;
    01096
    01097       /* For undefined strings, just set that it's an empty string */
    01098       if (ls == NULL) {
    01099         WriteLength(_output_file, 0);
    01100         continue;
    01101       }
    01102
    01103       _cur_ident = ls->name;
    01104       _cur_line = ls->line;
    01105
    01106       /* Produce a message if a string doesn't have a translation. */
    01107       if (_show_todo > 0 && ls->translated == NULL) {
    01108         if ((_show_todo & 2) != 0) {
    01109           strgen_warning("'%s' is untranslated", ls->name);
    01110         }
    01111         if ((_show_todo & 1) != 0) {
    01112           const char *s = "<TODO> ";
    01113           while (*s != '\0') PutByte(*s++);
    01114         }
    01115       }
    01116
    01117       /* Extract the strings and stuff from the english command string */
    01118       ExtractCommandString(&_cur_pcs, ls->english, false);
    01119
    01120       if (ls->translated_case != NULL || ls->translated != NULL) {
    01121         casep = ls->translated_case;
    01122         cmdp = ls->translated;
    01123       } else {
    01124         casep = ls->english_case;
    01125         cmdp = ls->english;
    01126       }
    01127
    01128       _translated = _masterlang || (cmdp != ls->english);
    01129
    01130       if (casep != NULL) {
    01131         const Case *c;
    01132         uint num;
    01133
    01134         /* Need to output a case-switch.
    01135          * It has this format
    01136          * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
    01137          * Each LEN is printed using 2 bytes in big endian order. */
    01138         PutUtf8(SCC_SWITCH_CASE);
    01139         /* Count the number of cases */
    01140         for (num = 0, c = casep; c; c = c->next) num++;
    01141         PutByte(num);
    01142
    01143         /* Write each case */
    01144         for (c = casep; c != NULL; c = c->next) {
    01145           int pos;
    01146
    01147           PutByte(c->caseidx);
    01148           /* Make some space for the 16-bit length */
    01149           pos = _put_pos;
    01150           PutByte(0);
    01151           PutByte(0);
    01152           /* Write string */
    01153           PutCommandString(c->string);
    01154           PutByte(0); // terminate with a zero
    01155           /* Fill in the length */
    01156           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
    01157           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
    01158         }
    01159       }
    01160
    01161       if (cmdp != NULL) PutCommandString(cmdp);
    01162
    01163       WriteLength(_output_file, _put_pos);
    01164       fwrite(_put_buf, 1, _put_pos, _output_file);
    01165       _put_pos = 0;
    01166     }
    01167   }
    01168
    01169   fputc(0, _output_file);
    01170   fclose(_output_file);
    01171
    01172   _output_file = NULL;
    01173   _output_filename = NULL;
    01174 }
    01175
    01177 static inline void ottd_mkdir(const char *directory)
    01178 {
    01179 #if defined(WIN32) || defined(__WATCOMC__)
    01180     mkdir(directory);
    01181 #else
    01182     mkdir(directory, 0755);
    01183 #endif
    01184 }
    01185
    01189 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
    01190 {
    01191   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
    01192
    01193   char *p = strchr(buf, '\0'); // add path seperator if necessary
    01194   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
    01195   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
    01196   return buf;
    01197 }
    01198
    01199 #if defined(__MINGW32__)
    01200
    01205 static inline char *replace_pathsep(char *s)
    01206 {
    01207   for (char *c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
    01208   return s;
    01209 }
    01210 #else
    01211 static inline char *replace_pathsep(char *s) { return s; }
    01212 #endif
    01213
    01214 int CDECL main(int argc, char *argv[])
    01215 {
    01216   char pathbuf[MAX_PATH];
    01217   const char *src_dir = ".";
    01218   const char *dest_dir = NULL;
    01219
    01220   while (argc > 1 && *argv[1] == '-') {
    01221     if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
    01222       puts("$Revision: 19114 $");
    01223       return 0;
    01224     }
    01225
    01226     if (strcmp(argv[1], "-export-commands") == 0) {
    01227       printf("args\tflags\tcommand\treplacement\n");
    01228       for (const CmdStruct *cs = _cmd_structs; cs < endof(_cmd_structs); cs++) {
    01229         char flags;
    01230         switch (cs->value) {
    01231           case 0x200E: case 0x200F: // Implicit BIDI controls
    01232           case 0x202A: case 0x202B: case 0x202C: case 0x202D: case 0x202E: // Explicit BIDI controls
    01233           case 0xA0: // Non breaking space
    01234           case '\n': // Newlines may be added too
    01235           case '{':  // This special
    01236             /* This command may be in the translation when it is not in base */
    01237             flags = 'i';
    01238             break;
    01239
    01240           default:
    01241             if (cs->proc == EmitGender) {
    01242               flags = 'g'; // Command needs number of parameters defined by number of genders
    01243             } else if (cs->proc == EmitPlural) {
    01244               flags = 'p'; // Command needs number of parameters defined by plural value
    01245             } else {
    01246               flags = '0'; // Command needs no parameters
    01247             }
    01248         }
    01249         printf("%i\t%c\t\"%s\"\t\"%s\"\n", cs->consumes, flags, cs->cmd, strstr(cs->cmd, "STRING") ? "STRING" : cs->cmd);
    01250       }
    01251       return 0;
    01252     }
    01253
    01254     if (strcmp(argv[1], "-export-plurals") == 0) {
    01255       printf("count\tdescription\n");
    01256       for (const PluralForm *pf = _plural_forms; pf < endof(_plural_forms); pf++) {
    01257         printf("%i\t\"%s\"\n", pf->plural_count, pf->description);
    01258       }
    01259       return 0;
    01260     }
    01261
    01262     if (strcmp(argv[1], "-export-pragmas") == 0) {
    01263       printf("name\tflags\tdefault\tdescription\n");
    01264       for (size_t i = 0; i < lengthof(_pragmas); i++) {
    01265         printf("\"%s\"\t%s\t\"%s\"\t\"%s\"\n",
    01266             _pragmas[i][0], _pragmas[i][1], _pragmas[i][2], _pragmas[i][3]);
    01267       }
    01268       return 0;
    01269     }
    01270
    01271     if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
    01272       _show_todo |= 1;
    01273       argc--, argv++;
    01274       continue;
    01275     }
    01276
    01277     if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
    01278       _show_todo |= 2;
    01279       argc--, argv++;
    01280       continue;
    01281     }
    01282
    01283     if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
    01284       puts(
    01285         "strgen - $Revision: 19114 $\n"
    01286         " -v | --version    print version information and exit\n"
    01287         " -t | --todo       replace any untranslated strings with '<TODO>'\n"
    01288         " -w | --warning    print a warning for any untranslated strings\n"
    01289         " -h | -? | --help  print this help message and exit\n"
    01290         " -s | --source_dir search for english.txt in the specified directory\n"
    01291         " -d | --dest_dir   put output file in the specified directory, create if needed\n"
    01292         " -export-commands  export all commands and exit\n"
    01293         " -export-plurals   export all plural forms and exit\n"
    01294         " -export-pragmas   export all pragmas and exit\n"
    01295         " Run without parameters and strgen will search for english.txt and parse it,\n"
    01296         " creating strings.h. Passing an argument, strgen will translate that language\n"
    01297         " file using english.txt as a reference and output <language>.lng."
    01298       );
    01299       return 0;
    01300     }
    01301
    01302     if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
    01303       src_dir = replace_pathsep(argv[2]);
    01304       argc -= 2, argv += 2;
    01305       continue;
    01306     }
    01307
    01308     if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
    01309       dest_dir = replace_pathsep(argv[2]);
    01310       argc -= 2, argv += 2;
    01311       continue;
    01312     }
    01313
    01314     fprintf(stderr, "Invalid arguments\n");
    01315     return 0;
    01316   }
    01317
    01318   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
    01319
    01320   /* strgen has two modes of operation. If no (free) arguments are passed
    01321    * strgen generates strings.h to the destination directory. If it is supplied
    01322    * with a (free) parameter the program will translate that language to destination
    01323    * directory. As input english.txt is parsed from the source directory */
    01324   if (argc == 1) {
    01325     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01326
    01327     /* parse master file */
    01328     _masterlang = true;
    01329     ParseFile(pathbuf, true);
    01330     MakeHashOfStrings();
    01331     if (_errors) return 1;
    01332
    01333     /* write strings.h */
    01334     ottd_mkdir(dest_dir);
    01335     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
    01336     WriteStringsH(pathbuf);
    01337   } else if (argc == 2) {
    01338     char *r;
    01339
    01340     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01341
    01342     /* parse master file and check if target file is correct */
    01343     _masterlang = false;
    01344     ParseFile(pathbuf, true);
    01345     MakeHashOfStrings();
    01346     ParseFile(replace_pathsep(argv[1]), false); // target file
    01347     if (_errors) return 1;
    01348
    01349     /* get the targetfile, strip any directories and append to destination path */
    01350     r = strrchr(argv[1], PATHSEPCHAR);
    01351     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
    01352
    01353     /* rename the .txt (input-extension) to .lng */
    01354     r = strrchr(pathbuf, '.');
    01355     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
    01356     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
    01357     WriteLangfile(pathbuf);
    01358
    01359     /* if showing warnings, print a summary of the language */
    01360     if ((_show_todo & 2) != 0) {
    01361       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
    01362     }
    01363   } else {
    01364     fprintf(stderr, "Invalid arguments\n");
    01365   }
    01366
    01367   return 0;
    01368 }