# strgen.cpp

Go to the documentation of this file.

    00001 /* $Id: strgen.cpp 19875 2010-05-21 16:03:29Z 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 "../string_func.h"
    00017 #include "../strings_type.h"
    00018 #include "strgen.h"
    00019 #include "../table/control_codes.h"
    00020
    00021 #include <stdarg.h>
    00022
    00023 #if (!defined(WIN32) && !defined(WIN64)) || defined(__CYGWIN__)
    00024 #include <unistd.h>
    00025 #include <sys/stat.h>
    00026 #endif
    00027
    00028 #if defined WIN32 || defined __WATCOMC__
    00029 #include <direct.h>
    00030 #endif /* WIN32 || __WATCOMC__ */
    00031
    00032 #ifdef __MORPHOS__
    00033 #ifdef stderr
    00034 #undef stderr
    00035 #endif
    00036 #define stderr stdout
    00037 #endif /* __MORPHOS__ */
    00038
    00039 #include "../table/strgen_tables.h"
    00040
    00041 /* Compiles a list of strings into a compiled string list */
    00042
    00043 struct Case {
    00044   int caseidx;
    00045   char *string;
    00046   Case *next;
    00047 };
    00048
    00049 static bool _masterlang;
    00050 static bool _translated;
    00051 static bool _translation;
    00052 static const char *_file = "(unknown file)";
    00053 static FILE *_output_file = NULL;
    00054 static const char *_output_filename = NULL;
    00055 static int _cur_line;
    00056 static int _errors, _warnings, _show_todo;
    00057
    00058 struct LangString {
    00059   char *name;            // Name of the string
    00060   char *english;         // English text
    00061   char *translated;      // Translated text
    00062   uint16 hash_next;      // next hash entry
    00063   uint16 index;
    00064   int line;              // line of string in source-file
    00065   Case *english_case;    // cases for english
    00066   Case *translated_case; // cases for foreign
    00067 };
    00068
    00069 static LangString *_strings[65536];
    00070
    00071
    00072 #define HASH_SIZE 32767
    00073 static uint16 _hash_head[HASH_SIZE];
    00074
    00075 static byte _put_buf[4096];
    00076 static int _put_pos;
    00077 static int _next_string_id;
    00078
    00079 static uint32 _hash;
    00080 static char _lang_name[32], _lang_ownname[32], _lang_isocode[16];
    00081 static char _lang_digit_group_separator[8];
    00082 static char _lang_digit_group_separator_currency[8];
    00083 static char _lang_digit_decimal_separator[8];
    00084 static byte _lang_pluralform;
    00085 static byte _lang_textdir;
    00086 static uint16 _lang_winlangid;
    00087 static uint8 _lang_newgrflangid;
    00088 #define MAX_NUM_GENDER 8
    00089 static char _genders[MAX_NUM_GENDER][16];
    00090 static uint _numgenders;
    00091
    00092 /* contains the name of all cases. */
    00093 #define MAX_NUM_CASES 50
    00094 static char _cases[MAX_NUM_CASES][16];
    00095 static uint _numcases;
    00096
    00097 static const char *_cur_ident;
    00098
    00099 struct CmdPair {
    00100   const CmdStruct *a;
    00101   const char *v;
    00102 };
    00103
    00104 struct ParsedCommandStruct {
    00105   uint np;
    00106   CmdPair pairs[32];
    00107   const CmdStruct *cmd[32]; // ordered by param #
    00108 };
    00109
    00110 /* Used when generating some advanced commands. */
    00111 static ParsedCommandStruct _cur_pcs;
    00112 static int _cur_argidx;
    00113
    00114 static uint HashStr(const char *s)
    00115 {
    00116   uint hash = 0;
    00117   for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
    00118   return hash % HASH_SIZE;
    00119 }
    00120
    00121 static void HashAdd(const char *s, LangString *ls)
    00122 {
    00123   uint hash = HashStr(s);
    00124   ls->hash_next = _hash_head[hash];
    00125   _hash_head[hash] = ls->index + 1;
    00126 }
    00127
    00128 static LangString *HashFind(const char *s)
    00129 {
    00130   int idx = _hash_head[HashStr(s)];
    00131
    00132   while (--idx >= 0) {
    00133     LangString *ls = _strings[idx];
    00134
    00135     if (strcmp(ls->name, s) == 0) return ls;
    00136     idx = ls->hash_next;
    00137   }
    00138   return NULL;
    00139 }
    00140
    00141 #ifdef _MSC_VER
    00142 # define LINE_NUM_FMT(s) "%s (%d): warning: %s (" s ")\n"
    00143 #else
    00144 # define LINE_NUM_FMT(s) "%s:%d: " s ": %s\n"
    00145 #endif
    00146
    00147 static void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
    00148
    00149 static void CDECL strgen_warning(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("warning"), _file, _cur_line, buf);
    00157   _warnings++;
    00158 }
    00159
    00160 static void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);
    00161
    00162 static void CDECL strgen_error(const char *s, ...)
    00163 {
    00164   char buf[1024];
    00165   va_list va;
    00166   va_start(va, s);
    00167   vsnprintf(buf, lengthof(buf), s, va);
    00168   va_end(va);
    00169   fprintf(stderr, LINE_NUM_FMT("error"), _file, _cur_line, buf);
    00170   _errors++;
    00171 }
    00172
    00173 void NORETURN CDECL error(const char *s, ...)
    00174 {
    00175   char buf[1024];
    00176   va_list va;
    00177   va_start(va, s);
    00178   vsnprintf(buf, lengthof(buf), s, va);
    00179   va_end(va);
    00180   fprintf(stderr, LINE_NUM_FMT("FATAL"), _file, _cur_line, buf);
    00181 #ifdef _MSC_VER
    00182   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, "language is not compiled");
    00183 #endif
    00184   /* We were writing output to a file, remove it. */
    00185   if (_output_file != NULL) {
    00186     fclose(_output_file);
    00187     unlink(_output_filename);
    00188   }
    00189   exit(1);
    00190 }
    00191
    00192 static void PutByte(byte c)
    00193 {
    00194   if (_put_pos == lengthof(_put_buf)) error("Put buffer too small");
    00195   _put_buf[_put_pos++] = c;
    00196 }
    00197
    00198
    00199 static void PutUtf8(uint32 value)
    00200 {
    00201   if (value < 0x80) {
    00202     PutByte(value);
    00203   } else if (value < 0x800) {
    00204     PutByte(0xC0 + GB(value,  6, 5));
    00205     PutByte(0x80 + GB(value,  0, 6));
    00206   } else if (value < 0x10000) {
    00207     PutByte(0xE0 + GB(value, 12, 4));
    00208     PutByte(0x80 + GB(value,  6, 6));
    00209     PutByte(0x80 + GB(value,  0, 6));
    00210   } else if (value < 0x110000) {
    00211     PutByte(0xF0 + GB(value, 18, 3));
    00212     PutByte(0x80 + GB(value, 12, 6));
    00213     PutByte(0x80 + GB(value,  6, 6));
    00214     PutByte(0x80 + GB(value,  0, 6));
    00215   } else {
    00216     strgen_warning("Invalid unicode value U+0x%X", value);
    00217   }
    00218 }
    00219
    00220
    00221 size_t Utf8Validate(const char *s)
    00222 {
    00223   uint32 c;
    00224
    00225   if (!HasBit(s[0], 7)) {
    00226     /* 1 byte */
    00227     return 1;
    00228   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
    00229     /* 2 bytes */
    00230     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
    00231     if (c >= 0x80) return 2;
    00232   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
    00233     /* 3 bytes */
    00234     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
    00235     if (c >= 0x800) return 3;
    00236   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
    00237     /* 4 bytes */
    00238     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
    00239     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
    00240   }
    00241
    00242   return 0;
    00243 }
    00244
    00245
    00246 static void EmitSingleChar(char *buf, int value)
    00247 {
    00248   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
    00249   PutUtf8(value);
    00250 }
    00251
    00252
    00253 /* The plural specifier looks like
    00254  * {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM */
    00255
    00256 /* This is encoded like
    00257  *  CommandByte <ARG#> <NUM> {Length of each string} {each string} */
    00258
    00259 bool ParseRelNum(char **buf, int *value, int *offset)
    00260 {
    00261   const char *s = *buf;
    00262   char *end;
    00263   bool rel = false;
    00264
    00265   while (*s == ' ' || *s == '\t') s++;
    00266   if (*s == '+') {
    00267     rel = true;
    00268     s++;
    00269   }
    00270   int v = strtol(s, &end, 0);
    00271   if (end == s) return false;
    00272   if (rel || v < 0) {
    00273     *value += v;
    00274   } else {
    00275     *value = v;
    00276   }
    00277   if (offset != NULL && *end == ':') {
    00278     /* Take the Nth within */
    00279     s = end + 1;
    00280     *offset = strtol(s, &end, 0);
    00281     if (end == s) return false;
    00282   }
    00283   *buf = end;
    00284   return true;
    00285 }
    00286
    00287 /* Parse out the next word, or NULL */
    00288 char *ParseWord(char **buf)
    00289 {
    00290   char *s = *buf, *r;
    00291
    00292   while (*s == ' ' || *s == '\t') s++;
    00293   if (*s == '\0') return NULL;
    00294
    00295   if (*s == '"') {
    00296     r = ++s;
    00297     /* parse until next " or NUL */
    00298     for (;;) {
    00299       if (*s == '\0') break;
    00300       if (*s == '"') {
    00301         *s++ = '\0';
    00302         break;
    00303       }
    00304       s++;
    00305     }
    00306   } else {
    00307     /* proceed until whitespace or NUL */
    00308     r = s;
    00309     for (;;) {
    00310       if (*s == '\0') break;
    00311       if (*s == ' ' || *s == '\t') {
    00312         *s++ = '\0';
    00313         break;
    00314       }
    00315       s++;
    00316     }
    00317   }
    00318   *buf = s;
    00319   return r;
    00320 }
    00321
    00322 /* Forward declaration */
    00323 static int TranslateArgumentIdx(int arg, int offset = 0);
    00324
    00325 static void EmitWordList(const char * const *words, uint nw)
    00326 {
    00327   PutByte(nw);
    00328   for (uint i = 0; i < nw; i++) PutByte(strlen(words[i]) + 1);
    00329   for (uint i = 0; i < nw; i++) {
    00330     for (uint j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
    00331     PutByte(0);
    00332   }
    00333 }
    00334
    00335 static void EmitPlural(char *buf, int value)
    00336 {
    00337   int argidx = _cur_argidx;
    00338   int offset = 0;
    00339   const char *words[5];
    00340   int nw = 0;
    00341
    00342   /* Parse out the number, if one exists. Otherwise default to prev arg. */
    00343   if (!ParseRelNum(&buf, &argidx, &offset)) argidx--;
    00344
    00345   /* Parse each string */
    00346   for (nw = 0; nw < 5; nw++) {
    00347     words[nw] = ParseWord(&buf);
    00348     if (words[nw] == NULL) break;
    00349   }
    00350
    00351   if (nw == 0) {
    00352     error("%s: No plural words", _cur_ident);
    00353   }
    00354
    00355   if (_plural_forms[_lang_pluralform].plural_count != nw) {
    00356     if (_translated) {
    00357       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
    00358         _plural_forms[_lang_pluralform].plural_count, nw);
    00359     } else {
    00360       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
    00361       if (nw > _plural_forms[_lang_pluralform].plural_count) {
    00362         nw = _plural_forms[_lang_pluralform].plural_count;
    00363       } else {
    00364         for (; nw < _plural_forms[_lang_pluralform].plural_count; nw++) {
    00365           words[nw] = words[nw - 1];
    00366         }
    00367       }
    00368     }
    00369   }
    00370
    00371   PutUtf8(SCC_PLURAL_LIST);
    00372   PutByte(TranslateArgumentIdx(argidx, offset));
    00373   EmitWordList(words, nw);
    00374 }
    00375
    00376
    00377 static void EmitGender(char *buf, int value)
    00378 {
    00379   int argidx = _cur_argidx;
    00380   int offset = 0;
    00381   uint nw;
    00382
    00383   if (buf[0] == '=') {
    00384     buf++;
    00385
    00386     /* This is a {G=DER} command */
    00387     for (nw = 0; ; nw++) {
    00388       if (nw >= MAX_NUM_GENDER) error("G argument '%s' invalid", buf);
    00389       if (strcmp(buf, _genders[nw]) == 0) break;
    00390     }
    00391     /* now nw contains the gender index */
    00392     PutUtf8(SCC_GENDER_INDEX);
    00393     PutByte(nw);
    00394   } else {
    00395     const char *words[MAX_NUM_GENDER];
    00396
    00397     /* This is a {G 0 foo bar two} command.
    00398      * If no relative number exists, default to +0 */
    00399     if (!ParseRelNum(&buf, &argidx, &offset)) {}
    00400
    00401     const CmdStruct *cmd = _cur_pcs.cmd[argidx];
    00402     if (cmd == NULL || (cmd->flags & C_GENDER) == 0) {
    00403       error("Command '%s' can't have a gender", cmd == NULL ? "<empty>" : cmd->cmd);
    00404     }
    00405
    00406     for (nw = 0; nw < MAX_NUM_GENDER; nw++) {
    00407       words[nw] = ParseWord(&buf);
    00408       if (words[nw] == NULL) break;
    00409     }
    00410     if (nw != _numgenders) error("Bad # of arguments for gender command");
    00411
    00412     assert(IsInsideBS(cmd->value, SCC_CONTROL_START, UINT8_MAX));
    00413     PutUtf8(SCC_GENDER_LIST);
    00414     PutByte(cmd->value - SCC_CONTROL_START);
    00415     PutByte(TranslateArgumentIdx(argidx, offset));
    00416     EmitWordList(words, nw);
    00417   }
    00418 }
    00419
    00420 static const CmdStruct *FindCmd(const char *s, int len)
    00421 {
    00422   for (const CmdStruct *cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
    00423     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
    00424   }
    00425   return NULL;
    00426 }
    00427
    00428 static uint ResolveCaseName(const char *str, uint len)
    00429 {
    00430   for (uint i = 0; i < MAX_NUM_CASES; i++) {
    00431     if (memcmp(_cases[i], str, len) == 0 && _cases[i][len] == 0) return i + 1;
    00432   }
    00433   error("Invalid case-name '%s'", str);
    00434 }
    00435
    00436
    00437 /* returns NULL on eof
    00438  * else returns command struct */
    00439 static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
    00440 {
    00441   const char *s = *str, *start;
    00442   char c;
    00443
    00444   *argno = -1;
    00445   *casei = -1;
    00446
    00447   /* Scan to the next command, exit if there's no next command. */
    00448   for (; *s != '{'; s++) {
    00449     if (*s == '\0') return NULL;
    00450   }
    00451   s++; // Skip past the {
    00452
    00453   if (*s >= '0' && *s <= '9') {
    00454     char *end;
    00455
    00456     *argno = strtoul(s, &end, 0);
    00457     if (*end != ':') error("missing arg #");
    00458     s = end + 1;
    00459   }
    00460
    00461   /* parse command name */
    00462   start = s;
    00463   do {
    00464     c = *s++;
    00465   } while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
    00466
    00467   const CmdStruct *cmd = FindCmd(start, s - start - 1);
    00468   if (cmd == NULL) {
    00469     strgen_error("Undefined command '%.*s'", (int)(s - start - 1), start);
    00470     return NULL;
    00471   }
    00472
    00473   if (c == '.') {
    00474     const char *casep = s;
    00475
    00476     if (!(cmd->flags & C_CASE)) {
    00477       error("Command '%s' can't have a case", cmd->cmd);
    00478     }
    00479
    00480     do {
    00481       c = *s++;
    00482     } while (c != '}' && c != ' ' && c != '\0');
    00483     *casei = ResolveCaseName(casep, s - casep - 1);
    00484   }
    00485
    00486   if (c == '\0') {
    00487     strgen_error("Missing } from command '%s'", start);
    00488     return NULL;
    00489   }
    00490
    00491
    00492   if (c != '}') {
    00493     if (c == '=') s--;
    00494     /* copy params */
    00495     start = s;
    00496     for (;;) {
    00497       c = *s++;
    00498       if (c == '}') break;
    00499       if (c == '\0') {
    00500         strgen_error("Missing } from command '%s'", start);
    00501         return NULL;
    00502       }
    00503       if (s - start == 250) error("param command too long");
    00504       *param++ = c;
    00505     }
    00506   }
    00507   *param = '\0';
    00508
    00509   *str = s;
    00510
    00511   return cmd;
    00512 }
    00513
    00514
    00515 static void HandlePragma(char *str)
    00516 {
    00517   if (!memcmp(str, "id ", 3)) {
    00518     _next_string_id = strtoul(str + 3, NULL, 0);
    00519   } else if (!memcmp(str, "name ", 5)) {
    00520     strecpy(_lang_name, str + 5, lastof(_lang_name));
    00521   } else if (!memcmp(str, "ownname ", 8)) {
    00522     strecpy(_lang_ownname, str + 8, lastof(_lang_ownname));
    00523   } else if (!memcmp(str, "isocode ", 8)) {
    00524     strecpy(_lang_isocode, str + 8, lastof(_lang_isocode));
    00525   } else if (!memcmp(str, "plural ", 7)) {
    00526     _lang_pluralform = atoi(str + 7);
    00527     if (_lang_pluralform >= lengthof(_plural_forms))
    00528       error("Invalid pluralform %d", _lang_pluralform);
    00529   } else if (!memcmp(str, "textdir ", 8)) {
    00530     if (!memcmp(str + 8, "ltr", 3)) {
    00531       _lang_textdir = TD_LTR;
    00532     } else if (!memcmp(str + 8, "rtl", 3)) {
    00533       _lang_textdir = TD_RTL;
    00534     } else {
    00535       error("Invalid textdir %s", str + 8);
    00536     }
    00537   } else if (!memcmp(str, "digitsep ", 9)) {
    00538     str += 9;
    00539     strecpy(_lang_digit_group_separator, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang_digit_group_separator));
    00540   } else if (!memcmp(str, "digitsepcur ", 12)) {
    00541     str += 12;
    00542     strecpy(_lang_digit_group_separator_currency, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang_digit_group_separator_currency));
    00543   } else if (!memcmp(str, "decimalsep ", 11)) {
    00544     str += 11;
    00545     strecpy(_lang_digit_decimal_separator, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang_digit_decimal_separator));
    00546   } else if (!memcmp(str, "winlangid ", 10)) {
    00547     const char *buf = str + 10;
    00548     long langid = strtol(buf, NULL, 16);
    00549     if (langid > (long)UINT16_MAX || langid < 0) {
    00550       error("Invalid winlangid %s", buf);
    00551     }
    00552     _lang_winlangid = (uint16)langid;
    00553   } else if (!memcmp(str, "grflangid ", 10)) {
    00554     const char *buf = str + 10;
    00555     long langid = strtol(buf, NULL, 16);
    00556     if (langid >= 0x7F || langid < 0) {
    00557       error("Invalid grflangid %s", buf);
    00558     }
    00559     _lang_newgrflangid = (uint8)langid;
    00560   } else if (!memcmp(str, "gender ", 7)) {
    00561     char *buf = str + 7;
    00562
    00563     for (;;) {
    00564       const char *s = ParseWord(&buf);
    00565
    00566       if (s == NULL) break;
    00567       if (_numgenders >= MAX_NUM_GENDER) error("Too many genders, max %d", MAX_NUM_GENDER);
    00568       strecpy(_genders[_numgenders], s, lastof(_genders[_numgenders]));
    00569       _numgenders++;
    00570     }
    00571   } else if (!memcmp(str, "case ", 5)) {
    00572     char *buf = str + 5;
    00573
    00574     for (;;) {
    00575       const char *s = ParseWord(&buf);
    00576
    00577       if (s == NULL) break;
    00578       if (_numcases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
    00579       strecpy(_cases[_numcases], s, lastof(_cases[_numcases]));
    00580       _numcases++;
    00581     }
    00582   } else {
    00583     error("unknown pragma '%s'", str);
    00584   }
    00585 }
    00586
    00587 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
    00588 {
    00589   char param[100];
    00590   int argno;
    00591   int argidx = 0;
    00592   int casei;
    00593
    00594   memset(p, 0, sizeof(*p));
    00595
    00596   for (;;) {
    00597     /* read until next command from a. */
    00598     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
    00599
    00600     if (ar == NULL) break;
    00601
    00602     /* Sanity checking */
    00603     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
    00604
    00605     if (ar->consumes) {
    00606       if (argno != -1) argidx = argno;
    00607       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
    00608       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
    00609
    00610       p->cmd[argidx++] = ar;
    00611     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
    00612       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max " PRINTF_SIZE, lengthof(p->pairs));
    00613       p->pairs[p->np].a = ar;
    00614       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
    00615       p->np++;
    00616     }
    00617   }
    00618 }
    00619
    00620
    00621 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
    00622 {
    00623   if (a == NULL) return NULL;
    00624
    00625   if (strcmp(a->cmd, "STRING1") == 0 ||
    00626       strcmp(a->cmd, "STRING2") == 0 ||
    00627       strcmp(a->cmd, "STRING3") == 0 ||
    00628       strcmp(a->cmd, "STRING4") == 0 ||
    00629       strcmp(a->cmd, "STRING5") == 0 ||
    00630       strcmp(a->cmd, "RAW_STRING") == 0) {
    00631     return FindCmd("STRING", 6);
    00632   }
    00633
    00634   return a;
    00635 }
    00636
    00637
    00638 static bool CheckCommandsMatch(char *a, char *b, const char *name)
    00639 {
    00640   /* If we're not translating, i.e. we're compiling the base language,
    00641    * it is pointless to do all these checks as it'll always be correct.
    00642    * After all, all checks are based on the base language.
    00643    */
    00644   if (!_translation) return true;
    00645
    00646   ParsedCommandStruct templ;
    00647   ParsedCommandStruct lang;
    00648   bool result = true;
    00649
    00650   ExtractCommandString(&templ, b, true);
    00651   ExtractCommandString(&lang, a, true);
    00652
    00653   /* For each string in templ, see if we find it in lang */
    00654   if (templ.np != lang.np) {
    00655     strgen_warning("%s: template string and language string have a different # of commands", name);
    00656     result = false;
    00657   }
    00658
    00659   for (uint i = 0; i < templ.np; i++) {
    00660     /* see if we find it in lang, and zero it out */
    00661     bool found = false;
    00662     for (uint j = 0; j < lang.np; j++) {
    00663       if (templ.pairs[i].a == lang.pairs[j].a &&
    00664           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
    00665         /* it was found in both. zero it out from lang so we don't find it again */
    00666         lang.pairs[j].a = NULL;
    00667         found = true;
    00668         break;
    00669       }
    00670     }
    00671
    00672     if (!found) {
    00673       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
    00674       result = false;
    00675     }
    00676   }
    00677
    00678   /* if we reach here, all non consumer commands match up.
    00679    * Check if the non consumer commands match up also. */
    00680   for (uint i = 0; i < lengthof(templ.cmd); i++) {
    00681     if (TranslateCmdForCompare(templ.cmd[i]) != lang.cmd[i]) {
    00682       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
    00683         lang.cmd[i]  == NULL ? "<empty>" : TranslateCmdForCompare(lang.cmd[i])->cmd,
    00684         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
    00685       result = false;
    00686     }
    00687   }
    00688
    00689   return result;
    00690 }
    00691
    00692 static void HandleString(char *str, bool master)
    00693 {
    00694   if (*str == '#') {
    00695     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2);
    00696     return;
    00697   }
    00698
    00699   /* Ignore comments & blank lines */
    00700   if (*str == ';' || *str == ' ' || *str == '\0') return;
    00701
    00702   char *s = strchr(str, ':');
    00703   if (s == NULL) {
    00704     strgen_error("Line has no ':' delimiter");
    00705     return;
    00706   }
    00707
    00708   char *t;
    00709   /* Trim spaces.
    00710    * After this str points to the command name, and s points to the command contents */
    00711   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--) {}
    00712   *t = 0;
    00713   s++;
    00714
    00715   /* Check string is valid UTF-8 */
    00716   const char *tmp;
    00717   for (tmp = s; *tmp != '\0';) {
    00718     size_t len = Utf8Validate(tmp);
    00719     if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
    00720     tmp += len;
    00721   }
    00722
    00723   /* Check if the string has a case..
    00724    * The syntax for cases is IDENTNAME.case */
    00725   char *casep = strchr(str, '.');
    00726   if (casep) *casep++ = '\0';
    00727
    00728   /* Check if this string already exists.. */
    00729   LangString *ent = HashFind(str);
    00730
    00731   if (master) {
    00732     if (ent != NULL && casep == NULL) {
    00733       strgen_error("String name '%s' is used multiple times", str);
    00734       return;
    00735     }
    00736
    00737     if (ent == NULL && casep != NULL) {
    00738       strgen_error("Base string name '%s' doesn't exist yet. Define it before defining a case.", str);
    00739       return;
    00740     }
    00741
    00742     if (ent == NULL) {
    00743       if (_strings[_next_string_id]) {
    00744         strgen_error("String ID 0x%X for '%s' already in use by '%s'", _next_string_id, str, _strings[_next_string_id]->name);
    00745         return;
    00746       }
    00747
    00748       /* Allocate a new LangString */
    00749       ent = CallocT<LangString>(1);
    00750       _strings[_next_string_id] = ent;
    00751       ent->index = _next_string_id++;
    00752       ent->name = strdup(str);
    00753       ent->line = _cur_line;
    00754
    00755       HashAdd(str, ent);
    00756     }
    00757
    00758     if (casep != NULL) {
    00759       Case *c = MallocT<Case>(1);
    00760
    00761       c->caseidx = ResolveCaseName(casep, strlen(casep));
    00762       c->string = strdup(s);
    00763       c->next = ent->english_case;
    00764       ent->english_case = c;
    00765     } else {
    00766       ent->english = strdup(s);
    00767     }
    00768
    00769   } else {
    00770     if (ent == NULL) {
    00771       strgen_warning("String name '%s' does not exist in master file", str);
    00772       return;
    00773     }
    00774
    00775     if (ent->translated && casep == NULL) {
    00776       strgen_error("String name '%s' is used multiple times", str);
    00777       return;
    00778     }
    00779
    00780     if (s[0] == ':' && s[1] == '\0' && casep == NULL) {
    00781       /* Special syntax :: means we should just inherit the master string */
    00782       ent->translated = strdup(ent->english);
    00783     } else {
    00784       /* make sure that the commands match */
    00785       if (!CheckCommandsMatch(s, ent->english, str)) return;
    00786
    00787       if (casep != NULL) {
    00788         Case *c = MallocT<Case>(1);
    00789
    00790         c->caseidx = ResolveCaseName(casep, strlen(casep));
    00791         c->string = strdup(s);
    00792         c->next = ent->translated_case;
    00793         ent->translated_case = c;
    00794       } else {
    00795         ent->translated = strdup(s);
    00796         /* If the string was translated, use the line from the
    00797          * translated language so errors in the translated file
    00798          * are properly referenced to. */
    00799         ent->line = _cur_line;
    00800       }
    00801     }
    00802   }
    00803 }
    00804
    00805
    00806 static void rstrip(char *buf)
    00807 {
    00808   int i = strlen(buf);
    00809   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
    00810   buf[i] = '\0';
    00811 }
    00812
    00813
    00814 static void ParseFile(const char *file, bool english)
    00815 {
    00816   FILE *in;
    00817   char buf[2048];
    00818
    00819   /* Only look at the final filename to determine whether it's be base language or not */
    00820   const char *cur_file = strrchr(_file, PATHSEPCHAR);
    00821   const char *next_file = strrchr(file, PATHSEPCHAR);
    00822   _translation = next_file != NULL && cur_file != NULL && strcmp(cur_file, next_file) != 0;
    00823   _file = file;
    00824
    00825   /* For each new file we parse, reset the genders, and language codes */
    00826   _numgenders = 0;
    00827   _lang_name[0] = _lang_ownname[0] = _lang_isocode[0] = '\0';
    00828   strecpy(_lang_digit_group_separator, ",", lastof(_lang_digit_group_separator));
    00829   strecpy(_lang_digit_group_separator_currency, ",", lastof(_lang_digit_group_separator_currency));
    00830   strecpy(_lang_digit_decimal_separator, ".", lastof(_lang_digit_decimal_separator));
    00831   _lang_textdir = TD_LTR;
    00832   _lang_winlangid = 0x0000; // neutral language code
    00833   _lang_newgrflangid = 0; // standard english
    00834   /* TODO:!! We can't reset the cases. In case the translated strings
    00835    * derive some strings from english.... */
    00836
    00837   in = fopen(file, "r");
    00838   if (in == NULL) error("Cannot open file");
    00839   _cur_line = 1;
    00840   while (fgets(buf, sizeof(buf), in) != NULL) {
    00841     rstrip(buf);
    00842     HandleString(buf, english);
    00843     _cur_line++;
    00844   }
    00845   fclose(in);
    00846
    00847   if (StrEmpty(_lang_name) || StrEmpty(_lang_ownname) || StrEmpty(_lang_isocode)) {
    00848     error("Language must include ##name, ##ownname and ##isocode");
    00849   }
    00850 }
    00851
    00852
    00853 static uint32 MyHashStr(uint32 hash, const char *s)
    00854 {
    00855   for (; *s != '\0'; s++) {
    00856     hash = ROL(hash, 3) ^ *s;
    00857     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00858   }
    00859   return hash;
    00860 }
    00861
    00862
    00863 /* make a hash of the file to get a unique "version number" */
    00864 static void MakeHashOfStrings()
    00865 {
    00866   uint32 hash = 0;
    00867   uint i;
    00868
    00869   for (i = 0; i != lengthof(_strings); i++) {
    00870     const LangString *ls = _strings[i];
    00871
    00872     if (ls != NULL) {
    00873       const CmdStruct *cs;
    00874       const char *s;
    00875       char buf[256];
    00876       int argno;
    00877       int casei;
    00878
    00879       s = ls->name;
    00880       hash ^= i * 0x717239;
    00881       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
    00882       hash = MyHashStr(hash, s + 1);
    00883
    00884       s = ls->english;
    00885       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
    00886         if (cs->flags & C_DONTCOUNT) continue;
    00887
    00888         hash ^= (cs - _cmd_structs) * 0x1234567;
    00889         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
    00890       }
    00891     }
    00892   }
    00893   _hash = hash;
    00894 }
    00895
    00896
    00897 static uint CountInUse(uint grp)
    00898 {
    00899   int i;
    00900
    00901   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
    00902   return i + 1;
    00903 }
    00904
    00905
    00906 bool CompareFiles(const char *n1, const char *n2)
    00907 {
    00908   FILE *f2 = fopen(n2, "rb");
    00909   if (f2 == NULL) return false;
    00910
    00911   FILE *f1 = fopen(n1, "rb");
    00912   if (f1 == NULL) error("can't open %s", n1);
    00913
    00914   size_t l1, l2;
    00915   do {
    00916     char b1[4096];
    00917     char b2[4096];
    00918     l1 = fread(b1, 1, sizeof(b1), f1);
    00919     l2 = fread(b2, 1, sizeof(b2), f2);
    00920
    00921     if (l1 != l2 || memcmp(b1, b2, l1)) {
    00922       fclose(f2);
    00923       fclose(f1);
    00924       return false;
    00925     }
    00926   } while (l1);
    00927
    00928   fclose(f2);
    00929   fclose(f1);
    00930   return true;
    00931 }
    00932
    00933
    00934 static void WriteStringsH(const char *filename)
    00935 {
    00936   int next = -1;
    00937
    00938   _output_filename = "tmp.xxx";
    00939   _output_file = fopen(_output_filename, "w");
    00940   if (_output_file == NULL) error("can't open tmp.xxx");
    00941
    00942   fprintf(_output_file, "/* This file is automatically generated. Do not modify */\n\n");
    00943   fprintf(_output_file, "#ifndef TABLE_STRINGS_H\n");
    00944   fprintf(_output_file, "#define TABLE_STRINGS_H\n");
    00945
    00946   for (int i = 0; i != lengthof(_strings); i++) {
    00947     if (_strings[i] != NULL) {
    00948       if (next != i) fprintf(_output_file, "\n");
    00949       fprintf(_output_file, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
    00950       next = i + 1;
    00951     }
    00952   }
    00953
    00954   fprintf(_output_file, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n", next - 1);
    00955
    00956   fprintf(_output_file,
    00957     "\nenum {\n"
    00958     "\tLANGUAGE_PACK_IDENT = 0x474E414C, // Big Endian value for 'LANG' (LE is 0x 4C 41 4E 47)\n"
    00959     "\tLANGUAGE_PACK_VERSION = 0x%X,\n"
    00960     "};\n", (uint)_hash
    00961   );
    00962
    00963   fprintf(_output_file, "\n#endif /* TABLE_STRINGS_H */\n");
    00964
    00965   fclose(_output_file);
    00966   _output_file = NULL;
    00967
    00968   if (CompareFiles(_output_filename, filename)) {
    00969     /* files are equal. tmp.xxx is not needed */
    00970     unlink(_output_filename);
    00971   } else {
    00972     /* else rename tmp.xxx into filename */
    00973 #if defined(WIN32) || defined(WIN64)
    00974     unlink(filename);
    00975 #endif
    00976     if (rename(_output_filename, filename) == -1) error("rename() failed");
    00977   }
    00978   _output_filename = NULL;
    00979 }
    00980
    00981 static int TranslateArgumentIdx(int argidx, int offset)
    00982 {
    00983   int sum;
    00984
    00985   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd)) {
    00986     error("invalid argidx %d", argidx);
    00987   }
    00988   const CmdStruct *cs = _cur_pcs.cmd[argidx];
    00989   if (cs != NULL && cs->consumes <= offset) {
    00990     error("invalid argidx offset %d:%d", argidx, offset);
    00991   }
    00992
    00993   if (_cur_pcs.cmd[argidx] == NULL) {
    00994     error("no command for this argidx %d", argidx);
    00995   }
    00996
    00997   for (int i = sum = 0; i < argidx; i++) {
    00998     const CmdStruct *cs = _cur_pcs.cmd[i];
    00999
    01000     sum += (cs != NULL) ? cs->consumes : 1;
    01001   }
    01002
    01003   return sum + offset;
    01004 }
    01005
    01006 static void PutArgidxCommand()
    01007 {
    01008   PutUtf8(SCC_ARG_INDEX);
    01009   PutByte(TranslateArgumentIdx(_cur_argidx));
    01010 }
    01011
    01012
    01013 static void PutCommandString(const char *str)
    01014 {
    01015   _cur_argidx = 0;
    01016
    01017   while (*str != '\0') {
    01018     /* Process characters as they are until we encounter a { */
    01019     if (*str != '{') {
    01020       PutByte(*str++);
    01021       continue;
    01022     }
    01023
    01024     char param[256];
    01025     int argno;
    01026     int casei;
    01027     const CmdStruct *cs = ParseCommandString(&str, param, &argno, &casei);
    01028     if (cs == NULL) break;
    01029
    01030     if (casei != -1) {
    01031       PutUtf8(SCC_SETCASE); // {SETCASE}
    01032       PutByte(casei);
    01033     }
    01034
    01035     /* For params that consume values, we need to handle the argindex properly */
    01036     if (cs->consumes > 0) {
    01037       /* Check if we need to output a move-param command */
    01038       if (argno != -1 && argno != _cur_argidx) {
    01039         _cur_argidx = argno;
    01040         PutArgidxCommand();
    01041       }
    01042
    01043       /* Output the one from the master string... it's always accurate. */
    01044       cs = _cur_pcs.cmd[_cur_argidx++];
    01045       if (cs == NULL) {
    01046         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
    01047       }
    01048     }
    01049
    01050     cs->proc(param, cs->value);
    01051   }
    01052 }
    01053
    01054 static void WriteLength(FILE *f, uint length)
    01055 {
    01056   if (length < 0xC0) {
    01057     fputc(length, f);
    01058   } else if (length < 0x4000) {
    01059     fputc((length >> 8) | 0xC0, f);
    01060     fputc(length & 0xFF, f);
    01061   } else {
    01062     error("string too long");
    01063   }
    01064 }
    01065
    01066
    01067 static void WriteLangfile(const char *filename)
    01068 {
    01069   uint in_use[32];
    01070   LanguagePackHeader hdr;
    01071
    01072   _output_filename = filename;
    01073   _output_file = fopen(filename, "wb");
    01074   if (_output_file == NULL) error("can't open %s", filename);
    01075
    01076   memset(&hdr, 0, sizeof(hdr));
    01077   for (int i = 0; i != 32; i++) {
    01078     uint n = CountInUse(i);
    01079
    01080     in_use[i] = n;
    01081     hdr.offsets[i] = TO_LE16(n);
    01082   }
    01083
    01084   /* see line 655: fprintf(..."\tLANGUAGE_PACK_IDENT = 0x474E414C,...) */
    01085   hdr.ident = TO_LE32(0x474E414C); // Big Endian value for 'LANG'
    01086   hdr.version = TO_LE32(_hash);
    01087   hdr.plural_form = _lang_pluralform;
    01088   hdr.text_dir = _lang_textdir;
    01089   hdr.winlangid = TO_LE16(_lang_winlangid);
    01090   hdr.newgrflangid = _lang_newgrflangid;
    01091   strecpy(hdr.name, _lang_name, lastof(hdr.name));
    01092   strecpy(hdr.own_name, _lang_ownname, lastof(hdr.own_name));
    01093   strecpy(hdr.isocode, _lang_isocode, lastof(hdr.isocode));
    01094   strecpy(hdr.digit_group_separator, _lang_digit_group_separator, lastof(hdr.digit_group_separator));
    01095   strecpy(hdr.digit_group_separator_currency, _lang_digit_group_separator_currency, lastof(hdr.digit_group_separator_currency));
    01096   strecpy(hdr.digit_decimal_separator, _lang_digit_decimal_separator, lastof(hdr.digit_decimal_separator));
    01097
    01098   fwrite(&hdr, sizeof(hdr), 1, _output_file);
    01099
    01100   for (int i = 0; i != 32; i++) {
    01101     for (uint j = 0; j != in_use[i]; j++) {
    01102       const LangString *ls = _strings[(i << 11) + j];
    01103       const Case *casep;
    01104       const char *cmdp;
    01105
    01106       /* For undefined strings, just set that it's an empty string */
    01107       if (ls == NULL) {
    01108         WriteLength(_output_file, 0);
    01109         continue;
    01110       }
    01111
    01112       _cur_ident = ls->name;
    01113       _cur_line = ls->line;
    01114
    01115       /* Produce a message if a string doesn't have a translation. */
    01116       if (_show_todo > 0 && ls->translated == NULL) {
    01117         if ((_show_todo & 2) != 0) {
    01118           strgen_warning("'%s' is untranslated", ls->name);
    01119         }
    01120         if ((_show_todo & 1) != 0) {
    01121           const char *s = "<TODO> ";
    01122           while (*s != '\0') PutByte(*s++);
    01123         }
    01124       }
    01125
    01126       /* Extract the strings and stuff from the english command string */
    01127       ExtractCommandString(&_cur_pcs, ls->english, false);
    01128
    01129       if (ls->translated_case != NULL || ls->translated != NULL) {
    01130         casep = ls->translated_case;
    01131         cmdp = ls->translated;
    01132       } else {
    01133         casep = ls->english_case;
    01134         cmdp = ls->english;
    01135       }
    01136
    01137       _translated = _masterlang || (cmdp != ls->english);
    01138
    01139       if (casep != NULL) {
    01140         const Case *c;
    01141         uint num;
    01142
    01143         /* Need to output a case-switch.
    01144          * It has this format
    01145          * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
    01146          * Each LEN is printed using 2 bytes in big endian order. */
    01147         PutUtf8(SCC_SWITCH_CASE);
    01148         /* Count the number of cases */
    01149         for (num = 0, c = casep; c; c = c->next) num++;
    01150         PutByte(num);
    01151
    01152         /* Write each case */
    01153         for (c = casep; c != NULL; c = c->next) {
    01154           int pos;
    01155
    01156           PutByte(c->caseidx);
    01157           /* Make some space for the 16-bit length */
    01158           pos = _put_pos;
    01159           PutByte(0);
    01160           PutByte(0);
    01161           /* Write string */
    01162           PutCommandString(c->string);
    01163           PutByte(0); // terminate with a zero
    01164           /* Fill in the length */
    01165           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
    01166           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
    01167         }
    01168       }
    01169
    01170       if (cmdp != NULL) PutCommandString(cmdp);
    01171
    01172       WriteLength(_output_file, _put_pos);
    01173       fwrite(_put_buf, 1, _put_pos, _output_file);
    01174       _put_pos = 0;
    01175     }
    01176   }
    01177
    01178   fputc(0, _output_file);
    01179   fclose(_output_file);
    01180
    01181   _output_file = NULL;
    01182   _output_filename = NULL;
    01183 }
    01184
    01186 static inline void ottd_mkdir(const char *directory)
    01187 {
    01188 #if defined(WIN32) || defined(__WATCOMC__)
    01189     mkdir(directory);
    01190 #else
    01191     mkdir(directory, 0755);
    01192 #endif
    01193 }
    01194
    01198 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
    01199 {
    01200   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
    01201
    01202   char *p = strchr(buf, '\0'); // add path seperator if necessary
    01203   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
    01204   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
    01205   return buf;
    01206 }
    01207
    01208 #if defined(__MINGW32__)
    01209
    01214 static inline char *replace_pathsep(char *s)
    01215 {
    01216   for (char *c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
    01217   return s;
    01218 }
    01219 #else
    01220 static inline char *replace_pathsep(char *s) { return s; }
    01221 #endif
    01222
    01223 int CDECL main(int argc, char *argv[])
    01224 {
    01225   char pathbuf[MAX_PATH];
    01226   const char *src_dir = ".";
    01227   const char *dest_dir = NULL;
    01228
    01229   while (argc > 1 && *argv[1] == '-') {
    01230     if (strcmp(argv[1], "-v") == 0 || strcmp(argv[1], "--version") == 0) {
    01231       puts("$Revision: 19875 $");
    01232       return 0;
    01233     }
    01234
    01235     if (strcmp(argv[1], "-export-commands") == 0) {
    01236       printf("args\tflags\tcommand\treplacement\n");
    01237       for (const CmdStruct *cs = _cmd_structs; cs < endof(_cmd_structs); cs++) {
    01238         char flags;
    01239         switch (cs->value) {
    01240           case 0x200E: case 0x200F: // Implicit BIDI controls
    01241           case 0x202A: case 0x202B: case 0x202C: case 0x202D: case 0x202E: // Explicit BIDI controls
    01242           case 0xA0: // Non breaking space
    01243           case '\n': // Newlines may be added too
    01244           case '{':  // This special
    01245             /* This command may be in the translation when it is not in base */
    01246             flags = 'i';
    01247             break;
    01248
    01249           default:
    01250             if (cs->proc == EmitGender) {
    01251               flags = 'g'; // Command needs number of parameters defined by number of genders
    01252             } else if (cs->proc == EmitPlural) {
    01253               flags = 'p'; // Command needs number of parameters defined by plural value
    01254             } else {
    01255               flags = '0'; // Command needs no parameters
    01256             }
    01257         }
    01258         printf("%i\t%c\t\"%s\"\t\"%s\"\n", cs->consumes, flags, cs->cmd, strstr(cs->cmd, "STRING") ? "STRING" : cs->cmd);
    01259       }
    01260       return 0;
    01261     }
    01262
    01263     if (strcmp(argv[1], "-export-plurals") == 0) {
    01264       printf("count\tdescription\n");
    01265       for (const PluralForm *pf = _plural_forms; pf < endof(_plural_forms); pf++) {
    01266         printf("%i\t\"%s\"\n", pf->plural_count, pf->description);
    01267       }
    01268       return 0;
    01269     }
    01270
    01271     if (strcmp(argv[1], "-export-pragmas") == 0) {
    01272       printf("name\tflags\tdefault\tdescription\n");
    01273       for (size_t i = 0; i < lengthof(_pragmas); i++) {
    01274         printf("\"%s\"\t%s\t\"%s\"\t\"%s\"\n",
    01275             _pragmas[i][0], _pragmas[i][1], _pragmas[i][2], _pragmas[i][3]);
    01276       }
    01277       return 0;
    01278     }
    01279
    01280     if (strcmp(argv[1], "-t") == 0 || strcmp(argv[1], "--todo") == 0) {
    01281       _show_todo |= 1;
    01282       argc--, argv++;
    01283       continue;
    01284     }
    01285
    01286     if (strcmp(argv[1], "-w") == 0 || strcmp(argv[1], "--warning") == 0) {
    01287       _show_todo |= 2;
    01288       argc--, argv++;
    01289       continue;
    01290     }
    01291
    01292     if (strcmp(argv[1], "-h") == 0 || strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0) {
    01293       puts(
    01294         "strgen - $Revision: 19875 $\n"
    01295         " -v | --version    print version information and exit\n"
    01296         " -t | --todo       replace any untranslated strings with '<TODO>'\n"
    01297         " -w | --warning    print a warning for any untranslated strings\n"
    01298         " -h | -? | --help  print this help message and exit\n"
    01299         " -s | --source_dir search for english.txt in the specified directory\n"
    01300         " -d | --dest_dir   put output file in the specified directory, create if needed\n"
    01301         " -export-commands  export all commands and exit\n"
    01302         " -export-plurals   export all plural forms and exit\n"
    01303         " -export-pragmas   export all pragmas and exit\n"
    01304         " Run without parameters and strgen will search for english.txt and parse it,\n"
    01305         " creating strings.h. Passing an argument, strgen will translate that language\n"
    01306         " file using english.txt as a reference and output <language>.lng."
    01307       );
    01308       return 0;
    01309     }
    01310
    01311     if (argc > 2 && (strcmp(argv[1], "-s") == 0 || strcmp(argv[1], "--source_dir") == 0)) {
    01312       src_dir = replace_pathsep(argv[2]);
    01313       argc -= 2, argv += 2;
    01314       continue;
    01315     }
    01316
    01317     if (argc > 2 && (strcmp(argv[1], "-d") == 0 || strcmp(argv[1], "--dest_dir") == 0)) {
    01318       dest_dir = replace_pathsep(argv[2]);
    01319       argc -= 2, argv += 2;
    01320       continue;
    01321     }
    01322
    01323     fprintf(stderr, "Invalid arguments\n");
    01324     return 0;
    01325   }
    01326
    01327   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
    01328
    01329   /* strgen has two modes of operation. If no (free) arguments are passed
    01330    * strgen generates strings.h to the destination directory. If it is supplied
    01331    * with a (free) parameter the program will translate that language to destination
    01332    * directory. As input english.txt is parsed from the source directory */
    01333   if (argc == 1) {
    01334     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01335
    01336     /* parse master file */
    01337     _masterlang = true;
    01338     ParseFile(pathbuf, true);
    01339     MakeHashOfStrings();
    01340     if (_errors) return 1;
    01341
    01342     /* write strings.h */
    01343     ottd_mkdir(dest_dir);
    01344     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
    01345     WriteStringsH(pathbuf);
    01346   } else if (argc == 2) {
    01347     char *r;
    01348
    01349     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
    01350
    01351     /* parse master file and check if target file is correct */
    01352     _masterlang = false;
    01353     ParseFile(pathbuf, true);
    01354     MakeHashOfStrings();
    01355     ParseFile(replace_pathsep(argv[1]), false); // target file
    01356     if (_errors) return 1;
    01357
    01358     /* get the targetfile, strip any directories and append to destination path */
    01359     r = strrchr(argv[1], PATHSEPCHAR);
    01360     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : argv[1]);
    01361
    01362     /* rename the .txt (input-extension) to .lng */
    01363     r = strrchr(pathbuf, '.');
    01364     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
    01365     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
    01366     WriteLangfile(pathbuf);
    01367
    01368     /* if showing warnings, print a summary of the language */
    01369     if ((_show_todo & 2) != 0) {
    01370       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
    01371     }
    01372   } else {
    01373     fprintf(stderr, "Invalid arguments\n");
    01374   }
    01375
    01376   return 0;
    01377 }