strgen.cpp

Go to the documentation of this file.
00001 /* $Id: strgen.cpp 19278 2010-02-27 16:41:10Z 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 ? "\xC2\xA0" : 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 ? "\xC2\xA0" : 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 ? "\xC2\xA0" : 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: 19278 $");
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: 19278 $\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 }

Generated on Wed Mar 3 23:32:27 2010 for OpenTTD by  doxygen 1.6.1