strgen.cpp

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00001 /* $Id$ */
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/endian_func.hpp"
00014 #include "../string_func.h"
00015 #include "../strings_type.h"
00016 #include "../language.h"
00017 #include "../misc/getoptdata.h"
00018 #include "../table/control_codes.h"
00019 
00020 #include <stdarg.h>
00021 
00022 #if (!defined(WIN32) && !defined(WIN64)) || defined(__CYGWIN__)
00023 #include <unistd.h>
00024 #include <sys/stat.h>
00025 #endif
00026 
00027 #if defined WIN32 || defined __WATCOMC__
00028 #include <direct.h>
00029 #endif /* WIN32 || __WATCOMC__ */
00030 
00031 #ifdef __MORPHOS__
00032 #ifdef stderr
00033 #undef stderr
00034 #endif
00035 #define stderr stdout
00036 #endif /* __MORPHOS__ */
00037 
00038 #include "../table/strgen_tables.h"
00039 
00040 /* Compiles a list of strings into a compiled string list */
00041 
00042 struct Case {
00043   int caseidx;
00044   char *string;
00045   Case *next;
00046 };
00047 
00048 static bool _masterlang;                     
00049 static bool _translated;                     
00050 static bool _translation;                    
00051 static const char *_file = "(unknown file)"; 
00052 static FILE *_output_file = NULL;            
00053 static const char *_output_filename = NULL;  
00054 static int _cur_line;                        
00055 static int _errors, _warnings, _show_todo;
00056 
00057 static const ptrdiff_t MAX_COMMAND_PARAM_SIZE = 100; 
00058 
00059 struct LangString {
00060   char *name;            // Name of the string
00061   char *english;         // English text
00062   char *translated;      // Translated text
00063   uint16 hash_next;      // next hash entry
00064   uint16 index;
00065   int line;              // line of string in source-file
00066   Case *translated_case; // cases for foreign
00067 };
00068 
00069 static LangString *_strings[65536];
00070 static LanguagePackHeader _lang; 
00071 
00072 
00073 #define HASH_SIZE 32767
00074 static uint16 _hash_head[HASH_SIZE];
00075 
00076 static byte _put_buf[4096];
00077 static uint _put_pos;
00078 static int _next_string_id;
00079 
00080 static uint32 _hash;
00081 
00082 static const char *_cur_ident;
00083 
00084 struct CmdPair {
00085   const CmdStruct *a;
00086   const char *v;
00087 };
00088 
00089 struct ParsedCommandStruct {
00090   uint np;
00091   CmdPair pairs[32];
00092   const CmdStruct *cmd[32]; // ordered by param #
00093 };
00094 
00095 /* Used when generating some advanced commands. */
00096 static ParsedCommandStruct _cur_pcs;
00097 static int _cur_argidx;
00098 
00099 static uint HashStr(const char *s)
00100 {
00101   uint hash = 0;
00102   for (; *s != '\0'; s++) hash = ROL(hash, 3) ^ *s;
00103   return hash % HASH_SIZE;
00104 }
00105 
00106 static void HashAdd(const char *s, LangString *ls)
00107 {
00108   uint hash = HashStr(s);
00109   ls->hash_next = _hash_head[hash];
00110   _hash_head[hash] = ls->index + 1;
00111 }
00112 
00113 static LangString *HashFind(const char *s)
00114 {
00115   int idx = _hash_head[HashStr(s)];
00116 
00117   while (--idx >= 0) {
00118     LangString *ls = _strings[idx];
00119 
00120     if (strcmp(ls->name, s) == 0) return ls;
00121     idx = ls->hash_next;
00122   }
00123   return NULL;
00124 }
00125 
00126 #ifdef _MSC_VER
00127 # define LINE_NUM_FMT(s) "%s (%d): warning: %s (" s ")\n"
00128 #else
00129 # define LINE_NUM_FMT(s) "%s:%d: " s ": %s\n"
00130 #endif
00131 
00132 static void CDECL strgen_warning(const char *s, ...) WARN_FORMAT(1, 2);
00133 
00134 static void CDECL strgen_warning(const char *s, ...)
00135 {
00136   char buf[1024];
00137   va_list va;
00138   va_start(va, s);
00139   vsnprintf(buf, lengthof(buf), s, va);
00140   va_end(va);
00141   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, buf);
00142   _warnings++;
00143 }
00144 
00145 static void CDECL strgen_error(const char *s, ...) WARN_FORMAT(1, 2);
00146 
00147 static void CDECL strgen_error(const char *s, ...)
00148 {
00149   char buf[1024];
00150   va_list va;
00151   va_start(va, s);
00152   vsnprintf(buf, lengthof(buf), s, va);
00153   va_end(va);
00154   fprintf(stderr, LINE_NUM_FMT("error"), _file, _cur_line, buf);
00155   _errors++;
00156 }
00157 
00158 void NORETURN CDECL error(const char *s, ...)
00159 {
00160   char buf[1024];
00161   va_list va;
00162   va_start(va, s);
00163   vsnprintf(buf, lengthof(buf), s, va);
00164   va_end(va);
00165   fprintf(stderr, LINE_NUM_FMT("FATAL"), _file, _cur_line, buf);
00166 #ifdef _MSC_VER
00167   fprintf(stderr, LINE_NUM_FMT("warning"), _file, _cur_line, "language is not compiled");
00168 #endif
00169   /* We were writing output to a file, remove it. */
00170   if (_output_file != NULL) {
00171     fclose(_output_file);
00172     unlink(_output_filename);
00173   }
00174   exit(1);
00175 }
00176 
00177 static void PutByte(byte c)
00178 {
00179   if (_put_pos >= lengthof(_put_buf)) error("Put buffer too small");
00180   _put_buf[_put_pos++] = c;
00181 }
00182 
00183 
00184 static void PutUtf8(uint32 value)
00185 {
00186   if (value < 0x80) {
00187     PutByte(value);
00188   } else if (value < 0x800) {
00189     PutByte(0xC0 + GB(value,  6, 5));
00190     PutByte(0x80 + GB(value,  0, 6));
00191   } else if (value < 0x10000) {
00192     PutByte(0xE0 + GB(value, 12, 4));
00193     PutByte(0x80 + GB(value,  6, 6));
00194     PutByte(0x80 + GB(value,  0, 6));
00195   } else if (value < 0x110000) {
00196     PutByte(0xF0 + GB(value, 18, 3));
00197     PutByte(0x80 + GB(value, 12, 6));
00198     PutByte(0x80 + GB(value,  6, 6));
00199     PutByte(0x80 + GB(value,  0, 6));
00200   } else {
00201     strgen_warning("Invalid unicode value U+0x%X", value);
00202   }
00203 }
00204 
00205 
00206 size_t Utf8Validate(const char *s)
00207 {
00208   uint32 c;
00209 
00210   if (!HasBit(s[0], 7)) {
00211     /* 1 byte */
00212     return 1;
00213   } else if (GB(s[0], 5, 3) == 6 && IsUtf8Part(s[1])) {
00214     /* 2 bytes */
00215     c = GB(s[0], 0, 5) << 6 | GB(s[1], 0, 6);
00216     if (c >= 0x80) return 2;
00217   } else if (GB(s[0], 4, 4) == 14 && IsUtf8Part(s[1]) && IsUtf8Part(s[2])) {
00218     /* 3 bytes */
00219     c = GB(s[0], 0, 4) << 12 | GB(s[1], 0, 6) << 6 | GB(s[2], 0, 6);
00220     if (c >= 0x800) return 3;
00221   } else if (GB(s[0], 3, 5) == 30 && IsUtf8Part(s[1]) && IsUtf8Part(s[2]) && IsUtf8Part(s[3])) {
00222     /* 4 bytes */
00223     c = GB(s[0], 0, 3) << 18 | GB(s[1], 0, 6) << 12 | GB(s[2], 0, 6) << 6 | GB(s[3], 0, 6);
00224     if (c >= 0x10000 && c <= 0x10FFFF) return 4;
00225   }
00226 
00227   return 0;
00228 }
00229 
00230 
00231 static void EmitSingleChar(char *buf, int value)
00232 {
00233   if (*buf != '\0') strgen_warning("Ignoring trailing letters in command");
00234   PutUtf8(value);
00235 }
00236 
00237 
00238 /* The plural specifier looks like
00239  * {NUM} {PLURAL -1 passenger passengers} then it picks either passenger/passengers depending on the count in NUM */
00240 
00241 /* This is encoded like
00242  *  CommandByte <ARG#> <NUM> {Length of each string} {each string} */
00243 
00244 bool ParseRelNum(char **buf, int *value, int *offset)
00245 {
00246   const char *s = *buf;
00247   char *end;
00248   bool rel = false;
00249 
00250   while (*s == ' ' || *s == '\t') s++;
00251   if (*s == '+') {
00252     rel = true;
00253     s++;
00254   }
00255   int v = strtol(s, &end, 0);
00256   if (end == s) return false;
00257   if (rel || v < 0) {
00258     *value += v;
00259   } else {
00260     *value = v;
00261   }
00262   if (offset != NULL && *end == ':') {
00263     /* Take the Nth within */
00264     s = end + 1;
00265     *offset = strtol(s, &end, 0);
00266     if (end == s) return false;
00267   }
00268   *buf = end;
00269   return true;
00270 }
00271 
00272 /* Parse out the next word, or NULL */
00273 char *ParseWord(char **buf)
00274 {
00275   char *s = *buf, *r;
00276 
00277   while (*s == ' ' || *s == '\t') s++;
00278   if (*s == '\0') return NULL;
00279 
00280   if (*s == '"') {
00281     r = ++s;
00282     /* parse until next " or NUL */
00283     for (;;) {
00284       if (*s == '\0') break;
00285       if (*s == '"') {
00286         *s++ = '\0';
00287         break;
00288       }
00289       s++;
00290     }
00291   } else {
00292     /* proceed until whitespace or NUL */
00293     r = s;
00294     for (;;) {
00295       if (*s == '\0') break;
00296       if (*s == ' ' || *s == '\t') {
00297         *s++ = '\0';
00298         break;
00299       }
00300       s++;
00301     }
00302   }
00303   *buf = s;
00304   return r;
00305 }
00306 
00307 /* Forward declaration */
00308 static int TranslateArgumentIdx(int arg, int offset = 0);
00309 
00310 static void EmitWordList(const char * const *words, uint nw)
00311 {
00312   PutByte(nw);
00313   for (uint i = 0; i < nw; i++) PutByte(strlen(words[i]) + 1);
00314   for (uint i = 0; i < nw; i++) {
00315     for (uint j = 0; words[i][j] != '\0'; j++) PutByte(words[i][j]);
00316     PutByte(0);
00317   }
00318 }
00319 
00320 static void EmitPlural(char *buf, int value)
00321 {
00322   int argidx = _cur_argidx;
00323   int offset = 0;
00324   const char *words[5];
00325   int nw = 0;
00326 
00327   /* Parse out the number, if one exists. Otherwise default to prev arg. */
00328   if (!ParseRelNum(&buf, &argidx, &offset)) argidx--;
00329 
00330   /* Parse each string */
00331   for (nw = 0; nw < 5; nw++) {
00332     words[nw] = ParseWord(&buf);
00333     if (words[nw] == NULL) break;
00334   }
00335 
00336   if (nw == 0) {
00337     error("%s: No plural words", _cur_ident);
00338   }
00339 
00340   if (_plural_forms[_lang.plural_form].plural_count != nw) {
00341     if (_translated) {
00342       error("%s: Invalid number of plural forms. Expecting %d, found %d.", _cur_ident,
00343         _plural_forms[_lang.plural_form].plural_count, nw);
00344     } else {
00345       if ((_show_todo & 2) != 0) strgen_warning("'%s' is untranslated. Tweaking english string to allow compilation for plural forms", _cur_ident);
00346       if (nw > _plural_forms[_lang.plural_form].plural_count) {
00347         nw = _plural_forms[_lang.plural_form].plural_count;
00348       } else {
00349         for (; nw < _plural_forms[_lang.plural_form].plural_count; nw++) {
00350           words[nw] = words[nw - 1];
00351         }
00352       }
00353     }
00354   }
00355 
00356   PutUtf8(SCC_PLURAL_LIST);
00357   PutByte(_lang.plural_form);
00358   PutByte(TranslateArgumentIdx(argidx, offset));
00359   EmitWordList(words, nw);
00360 }
00361 
00362 
00363 static void EmitGender(char *buf, int value)
00364 {
00365   int argidx = _cur_argidx;
00366   int offset = 0;
00367   uint nw;
00368 
00369   if (buf[0] == '=') {
00370     buf++;
00371 
00372     /* This is a {G=DER} command */
00373     nw = _lang.GetGenderIndex(buf);
00374     if (nw >= MAX_NUM_GENDERS) error("G argument '%s' invalid", buf);
00375 
00376     /* now nw contains the gender index */
00377     PutUtf8(SCC_GENDER_INDEX);
00378     PutByte(nw);
00379   } else {
00380     const char *words[MAX_NUM_GENDERS];
00381 
00382     /* This is a {G 0 foo bar two} command.
00383      * If no relative number exists, default to +0 */
00384     if (!ParseRelNum(&buf, &argidx, &offset)) {}
00385 
00386     const CmdStruct *cmd = _cur_pcs.cmd[argidx];
00387     if (cmd == NULL || (cmd->flags & C_GENDER) == 0) {
00388       error("Command '%s' can't have a gender", cmd == NULL ? "<empty>" : cmd->cmd);
00389     }
00390 
00391     for (nw = 0; nw < MAX_NUM_GENDERS; nw++) {
00392       words[nw] = ParseWord(&buf);
00393       if (words[nw] == NULL) break;
00394     }
00395     if (nw != _lang.num_genders) error("Bad # of arguments for gender command");
00396 
00397     assert(IsInsideBS(cmd->value, SCC_CONTROL_START, UINT8_MAX));
00398     PutUtf8(SCC_GENDER_LIST);
00399     PutByte(TranslateArgumentIdx(argidx, offset));
00400     EmitWordList(words, nw);
00401   }
00402 }
00403 
00404 static const CmdStruct *FindCmd(const char *s, int len)
00405 {
00406   for (const CmdStruct *cs = _cmd_structs; cs != endof(_cmd_structs); cs++) {
00407     if (strncmp(cs->cmd, s, len) == 0 && cs->cmd[len] == '\0') return cs;
00408   }
00409   return NULL;
00410 }
00411 
00412 static uint ResolveCaseName(const char *str, uint len)
00413 {
00414   /* First get a clean copy of only the case name, then resolve it. */
00415   char case_str[CASE_GENDER_LEN];
00416   len = min(lengthof(case_str) - 1, len);
00417   memcpy(case_str, str, len);
00418   case_str[len] = '\0';
00419 
00420   uint8 case_idx = _lang.GetCaseIndex(case_str);
00421   if (case_idx >= MAX_NUM_CASES) error("Invalid case-name '%s'", case_str);
00422   return case_idx + 1;
00423 }
00424 
00425 
00426 /* returns NULL on eof
00427  * else returns command struct */
00428 static const CmdStruct *ParseCommandString(const char **str, char *param, int *argno, int *casei)
00429 {
00430   const char *s = *str, *start;
00431   char c;
00432 
00433   *argno = -1;
00434   *casei = -1;
00435 
00436   /* Scan to the next command, exit if there's no next command. */
00437   for (; *s != '{'; s++) {
00438     if (*s == '\0') return NULL;
00439   }
00440   s++; // Skip past the {
00441 
00442   if (*s >= '0' && *s <= '9') {
00443     char *end;
00444 
00445     *argno = strtoul(s, &end, 0);
00446     if (*end != ':') error("missing arg #");
00447     s = end + 1;
00448   }
00449 
00450   /* parse command name */
00451   start = s;
00452   do {
00453     c = *s++;
00454   } while (c != '}' && c != ' ' && c != '=' && c != '.' && c != 0);
00455 
00456   const CmdStruct *cmd = FindCmd(start, s - start - 1);
00457   if (cmd == NULL) {
00458     strgen_error("Undefined command '%.*s'", (int)(s - start - 1), start);
00459     return NULL;
00460   }
00461 
00462   if (c == '.') {
00463     const char *casep = s;
00464 
00465     if (!(cmd->flags & C_CASE)) {
00466       error("Command '%s' can't have a case", cmd->cmd);
00467     }
00468 
00469     do {
00470       c = *s++;
00471     } while (c != '}' && c != ' ' && c != '\0');
00472     *casei = ResolveCaseName(casep, s - casep - 1);
00473   }
00474 
00475   if (c == '\0') {
00476     strgen_error("Missing } from command '%s'", start);
00477     return NULL;
00478   }
00479 
00480 
00481   if (c != '}') {
00482     if (c == '=') s--;
00483     /* copy params */
00484     start = s;
00485     for (;;) {
00486       c = *s++;
00487       if (c == '}') break;
00488       if (c == '\0') {
00489         strgen_error("Missing } from command '%s'", start);
00490         return NULL;
00491       }
00492       if (s - start == MAX_COMMAND_PARAM_SIZE) error("param command too long");
00493       *param++ = c;
00494     }
00495   }
00496   *param = '\0';
00497 
00498   *str = s;
00499 
00500   return cmd;
00501 }
00502 
00503 
00504 static void HandlePragma(char *str, bool master)
00505 {
00506   if (!memcmp(str, "id ", 3)) {
00507     _next_string_id = strtoul(str + 3, NULL, 0);
00508   } else if (!memcmp(str, "name ", 5)) {
00509     strecpy(_lang.name, str + 5, lastof(_lang.name));
00510   } else if (!memcmp(str, "ownname ", 8)) {
00511     strecpy(_lang.own_name, str + 8, lastof(_lang.own_name));
00512   } else if (!memcmp(str, "isocode ", 8)) {
00513     strecpy(_lang.isocode, str + 8, lastof(_lang.isocode));
00514   } else if (!memcmp(str, "plural ", 7)) {
00515     _lang.plural_form = atoi(str + 7);
00516     if (_lang.plural_form >= lengthof(_plural_forms)) {
00517       error("Invalid pluralform %d", _lang.plural_form);
00518     }
00519   } else if (!memcmp(str, "textdir ", 8)) {
00520     if (!memcmp(str + 8, "ltr", 3)) {
00521       _lang.text_dir = TD_LTR;
00522     } else if (!memcmp(str + 8, "rtl", 3)) {
00523       _lang.text_dir = TD_RTL;
00524     } else {
00525       error("Invalid textdir %s", str + 8);
00526     }
00527   } else if (!memcmp(str, "digitsep ", 9)) {
00528     str += 9;
00529     strecpy(_lang.digit_group_separator, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang.digit_group_separator));
00530   } else if (!memcmp(str, "digitsepcur ", 12)) {
00531     str += 12;
00532     strecpy(_lang.digit_group_separator_currency, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang.digit_group_separator_currency));
00533   } else if (!memcmp(str, "decimalsep ", 11)) {
00534     str += 11;
00535     strecpy(_lang.digit_decimal_separator, strcmp(str, "{NBSP}") == 0 ? NBSP : str, lastof(_lang.digit_decimal_separator));
00536   } else if (!memcmp(str, "winlangid ", 10)) {
00537     const char *buf = str + 10;
00538     long langid = strtol(buf, NULL, 16);
00539     if (langid > (long)UINT16_MAX || langid < 0) {
00540       error("Invalid winlangid %s", buf);
00541     }
00542     _lang.winlangid = (uint16)langid;
00543   } else if (!memcmp(str, "grflangid ", 10)) {
00544     const char *buf = str + 10;
00545     long langid = strtol(buf, NULL, 16);
00546     if (langid >= 0x7F || langid < 0) {
00547       error("Invalid grflangid %s", buf);
00548     }
00549     _lang.newgrflangid = (uint8)langid;
00550   } else if (!memcmp(str, "gender ", 7)) {
00551     if (master) error("Genders are not allowed in the base translation.");
00552     char *buf = str + 7;
00553 
00554     for (;;) {
00555       const char *s = ParseWord(&buf);
00556 
00557       if (s == NULL) break;
00558       if (_lang.num_genders >= MAX_NUM_GENDERS) error("Too many genders, max %d", MAX_NUM_GENDERS);
00559       strecpy(_lang.genders[_lang.num_genders], s, lastof(_lang.genders[_lang.num_genders]));
00560       _lang.num_genders++;
00561     }
00562   } else if (!memcmp(str, "case ", 5)) {
00563     if (master) error("Cases are not allowed in the base translation.");
00564     char *buf = str + 5;
00565 
00566     for (;;) {
00567       const char *s = ParseWord(&buf);
00568 
00569       if (s == NULL) break;
00570       if (_lang.num_cases >= MAX_NUM_CASES) error("Too many cases, max %d", MAX_NUM_CASES);
00571       strecpy(_lang.cases[_lang.num_cases], s, lastof(_lang.cases[_lang.num_cases]));
00572       _lang.num_cases++;
00573     }
00574   } else {
00575     error("unknown pragma '%s'", str);
00576   }
00577 }
00578 
00579 static void ExtractCommandString(ParsedCommandStruct *p, const char *s, bool warnings)
00580 {
00581   char param[MAX_COMMAND_PARAM_SIZE];
00582   int argno;
00583   int argidx = 0;
00584   int casei;
00585 
00586   memset(p, 0, sizeof(*p));
00587 
00588   for (;;) {
00589     /* read until next command from a. */
00590     const CmdStruct *ar = ParseCommandString(&s, param, &argno, &casei);
00591 
00592     if (ar == NULL) break;
00593 
00594     /* Sanity checking */
00595     if (argno != -1 && ar->consumes == 0) error("Non consumer param can't have a paramindex");
00596 
00597     if (ar->consumes) {
00598       if (argno != -1) argidx = argno;
00599       if (argidx < 0 || (uint)argidx >= lengthof(p->cmd)) error("invalid param idx %d", argidx);
00600       if (p->cmd[argidx] != NULL && p->cmd[argidx] != ar) error("duplicate param idx %d", argidx);
00601 
00602       p->cmd[argidx++] = ar;
00603     } else if (!(ar->flags & C_DONTCOUNT)) { // Ignore some of them
00604       if (p->np >= lengthof(p->pairs)) error("too many commands in string, max " PRINTF_SIZE, lengthof(p->pairs));
00605       p->pairs[p->np].a = ar;
00606       p->pairs[p->np].v = param[0] != '\0' ? strdup(param) : "";
00607       p->np++;
00608     }
00609   }
00610 }
00611 
00612 
00613 static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
00614 {
00615   if (a == NULL) return NULL;
00616 
00617   if (strcmp(a->cmd, "STRING1") == 0 ||
00618       strcmp(a->cmd, "STRING2") == 0 ||
00619       strcmp(a->cmd, "STRING3") == 0 ||
00620       strcmp(a->cmd, "STRING4") == 0 ||
00621       strcmp(a->cmd, "STRING5") == 0 ||
00622       strcmp(a->cmd, "RAW_STRING") == 0) {
00623     return FindCmd("STRING", 6);
00624   }
00625 
00626   return a;
00627 }
00628 
00629 
00630 static bool CheckCommandsMatch(char *a, char *b, const char *name)
00631 {
00632   /* If we're not translating, i.e. we're compiling the base language,
00633    * it is pointless to do all these checks as it'll always be correct.
00634    * After all, all checks are based on the base language.
00635    */
00636   if (!_translation) return true;
00637 
00638   ParsedCommandStruct templ;
00639   ParsedCommandStruct lang;
00640   bool result = true;
00641 
00642   ExtractCommandString(&templ, b, true);
00643   ExtractCommandString(&lang, a, true);
00644 
00645   /* For each string in templ, see if we find it in lang */
00646   if (templ.np != lang.np) {
00647     strgen_warning("%s: template string and language string have a different # of commands", name);
00648     result = false;
00649   }
00650 
00651   for (uint i = 0; i < templ.np; i++) {
00652     /* see if we find it in lang, and zero it out */
00653     bool found = false;
00654     for (uint j = 0; j < lang.np; j++) {
00655       if (templ.pairs[i].a == lang.pairs[j].a &&
00656           strcmp(templ.pairs[i].v, lang.pairs[j].v) == 0) {
00657         /* it was found in both. zero it out from lang so we don't find it again */
00658         lang.pairs[j].a = NULL;
00659         found = true;
00660         break;
00661       }
00662     }
00663 
00664     if (!found) {
00665       strgen_warning("%s: command '%s' exists in template file but not in language file", name, templ.pairs[i].a->cmd);
00666       result = false;
00667     }
00668   }
00669 
00670   /* if we reach here, all non consumer commands match up.
00671    * Check if the non consumer commands match up also. */
00672   for (uint i = 0; i < lengthof(templ.cmd); i++) {
00673     if (TranslateCmdForCompare(templ.cmd[i]) != lang.cmd[i]) {
00674       strgen_warning("%s: Param idx #%d '%s' doesn't match with template command '%s'", name, i,
00675         lang.cmd[i]  == NULL ? "<empty>" : TranslateCmdForCompare(lang.cmd[i])->cmd,
00676         templ.cmd[i] == NULL ? "<empty>" : templ.cmd[i]->cmd);
00677       result = false;
00678     }
00679   }
00680 
00681   return result;
00682 }
00683 
00684 static void HandleString(char *str, bool master)
00685 {
00686   if (*str == '#') {
00687     if (str[1] == '#' && str[2] != '#') HandlePragma(str + 2, master);
00688     return;
00689   }
00690 
00691   /* Ignore comments & blank lines */
00692   if (*str == ';' || *str == ' ' || *str == '\0') return;
00693 
00694   char *s = strchr(str, ':');
00695   if (s == NULL) {
00696     strgen_error("Line has no ':' delimiter");
00697     return;
00698   }
00699 
00700   char *t;
00701   /* Trim spaces.
00702    * After this str points to the command name, and s points to the command contents */
00703   for (t = s; t > str && (t[-1] == ' ' || t[-1] == '\t'); t--) {}
00704   *t = 0;
00705   s++;
00706 
00707   /* Check string is valid UTF-8 */
00708   const char *tmp;
00709   for (tmp = s; *tmp != '\0';) {
00710     size_t len = Utf8Validate(tmp);
00711     if (len == 0) error("Invalid UTF-8 sequence in '%s'", s);
00712 
00713     WChar c;
00714     Utf8Decode(&c, tmp);
00715     if (c <= 0x001F || // ASCII control character range
00716         (c >= 0xE000 && c <= 0xF8FF) || // Private range
00717         (c >= 0xFFF0 && c <= 0xFFFF)) { // Specials range
00718       error("Unwanted UTF-8 character U+%04X in sequence '%s'", c, s);
00719     }
00720 
00721     tmp += len;
00722   }
00723 
00724   /* Check if the string has a case..
00725    * The syntax for cases is IDENTNAME.case */
00726   char *casep = strchr(str, '.');
00727   if (casep != NULL) *casep++ = '\0';
00728 
00729   /* Check if this string already exists.. */
00730   LangString *ent = HashFind(str);
00731 
00732   if (master) {
00733     if (casep != NULL) {
00734       strgen_error("Cases in the base translation are not supported.");
00735       return;
00736     }
00737 
00738     if (ent != NULL) {
00739       strgen_error("String name '%s' is used multiple times", str);
00740       return;
00741     }
00742 
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     ent->english = strdup(s);
00758   } else {
00759     if (ent == NULL) {
00760       strgen_warning("String name '%s' does not exist in master file", str);
00761       return;
00762     }
00763 
00764     if (ent->translated && casep == NULL) {
00765       strgen_error("String name '%s' is used multiple times", str);
00766       return;
00767     }
00768 
00769     /* make sure that the commands match */
00770     if (!CheckCommandsMatch(s, ent->english, str)) return;
00771 
00772     if (casep != NULL) {
00773       Case *c = MallocT<Case>(1);
00774 
00775       c->caseidx = ResolveCaseName(casep, strlen(casep));
00776       c->string = strdup(s);
00777       c->next = ent->translated_case;
00778       ent->translated_case = c;
00779     } else {
00780       ent->translated = strdup(s);
00781       /* If the string was translated, use the line from the
00782        * translated language so errors in the translated file
00783        * are properly referenced to. */
00784       ent->line = _cur_line;
00785     }
00786   }
00787 }
00788 
00789 
00790 static void rstrip(char *buf)
00791 {
00792   int i = strlen(buf);
00793   while (i > 0 && (buf[i - 1] == '\r' || buf[i - 1] == '\n' || buf[i - 1] == ' ')) i--;
00794   buf[i] = '\0';
00795 }
00796 
00797 
00798 static void ParseFile(const char *file, bool english)
00799 {
00800   FILE *in;
00801   char buf[2048];
00802 
00803   /* Only look at the final filename to determine whether it's the base language or not */
00804   const char *cur_file = strrchr(_file, PATHSEPCHAR);
00805   const char *next_file = strrchr(file, PATHSEPCHAR);
00806   _translation = next_file != NULL && cur_file != NULL && strcmp(cur_file, next_file) != 0;
00807   _file = file;
00808 
00809   /* For each new file we parse, reset the genders, and language codes */
00810   MemSetT(&_lang, 0);
00811   strecpy(_lang.digit_group_separator, ",", lastof(_lang.digit_group_separator));
00812   strecpy(_lang.digit_group_separator_currency, ",", lastof(_lang.digit_group_separator_currency));
00813   strecpy(_lang.digit_decimal_separator, ".", lastof(_lang.digit_decimal_separator));
00814 
00815   in = fopen(file, "r");
00816   if (in == NULL) error("Cannot open file");
00817   _cur_line = 1;
00818   while (fgets(buf, sizeof(buf), in) != NULL) {
00819     rstrip(buf);
00820     HandleString(buf, english);
00821     _cur_line++;
00822   }
00823   fclose(in);
00824 
00825   if (StrEmpty(_lang.name) || StrEmpty(_lang.own_name) || StrEmpty(_lang.isocode)) {
00826     error("Language must include ##name, ##ownname and ##isocode");
00827   }
00828 }
00829 
00830 
00831 static uint32 MyHashStr(uint32 hash, const char *s)
00832 {
00833   for (; *s != '\0'; s++) {
00834     hash = ROL(hash, 3) ^ *s;
00835     hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
00836   }
00837   return hash;
00838 }
00839 
00840 
00841 /* make a hash of the file to get a unique "version number" */
00842 static void MakeHashOfStrings()
00843 {
00844   uint32 hash = 0;
00845   uint i;
00846 
00847   for (i = 0; i != lengthof(_strings); i++) {
00848     const LangString *ls = _strings[i];
00849 
00850     if (ls != NULL) {
00851       const CmdStruct *cs;
00852       const char *s;
00853       char buf[MAX_COMMAND_PARAM_SIZE];
00854       int argno;
00855       int casei;
00856 
00857       s = ls->name;
00858       hash ^= i * 0x717239;
00859       hash = (hash & 1 ? hash >> 1 ^ 0xDEADBEEF : hash >> 1);
00860       hash = MyHashStr(hash, s + 1);
00861 
00862       s = ls->english;
00863       while ((cs = ParseCommandString(&s, buf, &argno, &casei)) != NULL) {
00864         if (cs->flags & C_DONTCOUNT) continue;
00865 
00866         hash ^= (cs - _cmd_structs) * 0x1234567;
00867         hash = (hash & 1 ? hash >> 1 ^ 0xF00BAA4 : hash >> 1);
00868       }
00869     }
00870   }
00871   _hash = hash;
00872 }
00873 
00874 
00875 static uint CountInUse(uint grp)
00876 {
00877   int i;
00878 
00879   for (i = 0x800; --i >= 0;) if (_strings[(grp << 11) + i] != NULL) break;
00880   return i + 1;
00881 }
00882 
00883 
00884 bool CompareFiles(const char *n1, const char *n2)
00885 {
00886   FILE *f2 = fopen(n2, "rb");
00887   if (f2 == NULL) return false;
00888 
00889   FILE *f1 = fopen(n1, "rb");
00890   if (f1 == NULL) error("can't open %s", n1);
00891 
00892   size_t l1, l2;
00893   do {
00894     char b1[4096];
00895     char b2[4096];
00896     l1 = fread(b1, 1, sizeof(b1), f1);
00897     l2 = fread(b2, 1, sizeof(b2), f2);
00898 
00899     if (l1 != l2 || memcmp(b1, b2, l1)) {
00900       fclose(f2);
00901       fclose(f1);
00902       return false;
00903     }
00904   } while (l1 != 0);
00905 
00906   fclose(f2);
00907   fclose(f1);
00908   return true;
00909 }
00910 
00911 
00912 static void WriteStringsH(const char *filename)
00913 {
00914   int next = -1;
00915 
00916   _output_filename = "tmp.xxx";
00917   _output_file = fopen(_output_filename, "w");
00918   if (_output_file == NULL) error("can't open tmp.xxx");
00919 
00920   fprintf(_output_file, "/* This file is automatically generated. Do not modify */\n\n");
00921   fprintf(_output_file, "#ifndef TABLE_STRINGS_H\n");
00922   fprintf(_output_file, "#define TABLE_STRINGS_H\n");
00923 
00924   for (int i = 0; i != lengthof(_strings); i++) {
00925     if (_strings[i] != NULL) {
00926       if (next != i) fprintf(_output_file, "\n");
00927       fprintf(_output_file, "static const StringID %s = 0x%X;\n", _strings[i]->name, i);
00928       next = i + 1;
00929     }
00930   }
00931 
00932   fprintf(_output_file, "\nstatic const StringID STR_LAST_STRINGID = 0x%X;\n\n", next - 1);
00933 
00934   /* Find the plural form with the most amount of cases. */
00935   int max_plural_forms = 0;
00936   for (uint i = 0; i < lengthof(_plural_forms); i++) {
00937     max_plural_forms = max(max_plural_forms, _plural_forms[i].plural_count);
00938   }
00939 
00940   fprintf(_output_file,
00941     "static const uint LANGUAGE_PACK_VERSION     = 0x%X;\n"
00942     "static const uint LANGUAGE_MAX_PLURAL       = %d;\n"
00943     "static const uint LANGUAGE_MAX_PLURAL_FORMS = %d;\n\n",
00944     (uint)_hash, (uint)lengthof(_plural_forms), max_plural_forms
00945   );
00946 
00947   fprintf(_output_file, "#endif /* TABLE_STRINGS_H */\n");
00948 
00949   fclose(_output_file);
00950   _output_file = NULL;
00951 
00952   if (CompareFiles(_output_filename, filename)) {
00953     /* files are equal. tmp.xxx is not needed */
00954     unlink(_output_filename);
00955   } else {
00956     /* else rename tmp.xxx into filename */
00957 #if defined(WIN32) || defined(WIN64)
00958     unlink(filename);
00959 #endif
00960     if (rename(_output_filename, filename) == -1) error("rename() failed");
00961   }
00962   _output_filename = NULL;
00963 }
00964 
00965 static int TranslateArgumentIdx(int argidx, int offset)
00966 {
00967   int sum;
00968 
00969   if (argidx < 0 || (uint)argidx >= lengthof(_cur_pcs.cmd)) {
00970     error("invalid argidx %d", argidx);
00971   }
00972   const CmdStruct *cs = _cur_pcs.cmd[argidx];
00973   if (cs != NULL && cs->consumes <= offset) {
00974     error("invalid argidx offset %d:%d", argidx, offset);
00975   }
00976 
00977   if (_cur_pcs.cmd[argidx] == NULL) {
00978     error("no command for this argidx %d", argidx);
00979   }
00980 
00981   for (int i = sum = 0; i < argidx; i++) {
00982     const CmdStruct *cs = _cur_pcs.cmd[i];
00983 
00984     sum += (cs != NULL) ? cs->consumes : 1;
00985   }
00986 
00987   return sum + offset;
00988 }
00989 
00990 static void PutArgidxCommand()
00991 {
00992   PutUtf8(SCC_ARG_INDEX);
00993   PutByte(TranslateArgumentIdx(_cur_argidx));
00994 }
00995 
00996 
00997 static void PutCommandString(const char *str)
00998 {
00999   _cur_argidx = 0;
01000 
01001   while (*str != '\0') {
01002     /* Process characters as they are until we encounter a { */
01003     if (*str != '{') {
01004       PutByte(*str++);
01005       continue;
01006     }
01007 
01008     char param[MAX_COMMAND_PARAM_SIZE];
01009     int argno;
01010     int casei;
01011     const CmdStruct *cs = ParseCommandString(&str, param, &argno, &casei);
01012     if (cs == NULL) break;
01013 
01014     if (casei != -1) {
01015       PutUtf8(SCC_SETCASE); // {SETCASE}
01016       PutByte(casei);
01017     }
01018 
01019     /* For params that consume values, we need to handle the argindex properly */
01020     if (cs->consumes > 0) {
01021       /* Check if we need to output a move-param command */
01022       if (argno != -1 && argno != _cur_argidx) {
01023         _cur_argidx = argno;
01024         PutArgidxCommand();
01025       }
01026 
01027       /* Output the one from the master string... it's always accurate. */
01028       cs = _cur_pcs.cmd[_cur_argidx++];
01029       if (cs == NULL) {
01030         error("%s: No argument exists at position %d", _cur_ident, _cur_argidx - 1);
01031       }
01032     }
01033 
01034     cs->proc(param, cs->value);
01035   }
01036 }
01037 
01038 static void WriteLength(FILE *f, uint length)
01039 {
01040   if (length < 0xC0) {
01041     fputc(length, f);
01042   } else if (length < 0x4000) {
01043     fputc((length >> 8) | 0xC0, f);
01044     fputc(length & 0xFF, f);
01045   } else {
01046     error("string too long");
01047   }
01048 }
01049 
01050 
01051 static void WriteLangfile(const char *filename)
01052 {
01053   uint in_use[32];
01054 
01055   _output_filename = filename;
01056   _output_file = fopen(filename, "wb");
01057   if (_output_file == NULL) error("can't open %s", filename);
01058 
01059   for (int i = 0; i != 32; i++) {
01060     uint n = CountInUse(i);
01061 
01062     in_use[i] = n;
01063     _lang.offsets[i] = TO_LE16(n);
01064   }
01065 
01066   _lang.ident = TO_LE32(LanguagePackHeader::IDENT);
01067   _lang.version = TO_LE32(_hash);
01068   _lang.winlangid = TO_LE16(_lang.winlangid);
01069 
01070   fwrite(&_lang, sizeof(_lang), 1, _output_file);
01071 
01072   for (int i = 0; i != 32; i++) {
01073     for (uint j = 0; j != in_use[i]; j++) {
01074       const LangString *ls = _strings[(i << 11) + j];
01075       const Case *casep;
01076       const char *cmdp;
01077 
01078       /* For undefined strings, just set that it's an empty string */
01079       if (ls == NULL) {
01080         WriteLength(_output_file, 0);
01081         continue;
01082       }
01083 
01084       _cur_ident = ls->name;
01085       _cur_line = ls->line;
01086 
01087       /* Produce a message if a string doesn't have a translation. */
01088       if (_show_todo > 0 && ls->translated == NULL) {
01089         if ((_show_todo & 2) != 0) {
01090           strgen_warning("'%s' is untranslated", ls->name);
01091         }
01092         if ((_show_todo & 1) != 0) {
01093           const char *s = "<TODO> ";
01094           while (*s != '\0') PutByte(*s++);
01095         }
01096       }
01097 
01098       /* Extract the strings and stuff from the english command string */
01099       ExtractCommandString(&_cur_pcs, ls->english, false);
01100 
01101       if (ls->translated_case != NULL || ls->translated != NULL) {
01102         casep = ls->translated_case;
01103         cmdp = ls->translated;
01104       } else {
01105         casep = NULL;
01106         cmdp = ls->english;
01107       }
01108 
01109       _translated = _masterlang || (cmdp != ls->english);
01110 
01111       if (casep != NULL) {
01112         const Case *c;
01113         uint num;
01114 
01115         /* Need to output a case-switch.
01116          * It has this format
01117          * <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
01118          * Each LEN is printed using 2 bytes in big endian order. */
01119         PutUtf8(SCC_SWITCH_CASE);
01120         /* Count the number of cases */
01121         for (num = 0, c = casep; c; c = c->next) num++;
01122         PutByte(num);
01123 
01124         /* Write each case */
01125         for (c = casep; c != NULL; c = c->next) {
01126           uint pos;
01127 
01128           PutByte(c->caseidx);
01129           /* Make some space for the 16-bit length */
01130           pos = _put_pos;
01131           PutByte(0);
01132           PutByte(0);
01133           /* Write string */
01134           PutCommandString(c->string);
01135           PutByte(0); // terminate with a zero
01136           /* Fill in the length */
01137           _put_buf[pos + 0] = GB(_put_pos - (pos + 2), 8, 8);
01138           _put_buf[pos + 1] = GB(_put_pos - (pos + 2), 0, 8);
01139         }
01140       }
01141 
01142       if (cmdp != NULL) PutCommandString(cmdp);
01143 
01144       WriteLength(_output_file, _put_pos);
01145       fwrite(_put_buf, 1, _put_pos, _output_file);
01146       _put_pos = 0;
01147     }
01148   }
01149 
01150   fputc(0, _output_file);
01151   fclose(_output_file);
01152 
01153   _output_file = NULL;
01154   _output_filename = NULL;
01155 }
01156 
01158 static inline void ottd_mkdir(const char *directory)
01159 {
01160 #if defined(WIN32) || defined(__WATCOMC__)
01161     mkdir(directory);
01162 #else
01163     mkdir(directory, 0755);
01164 #endif
01165 }
01166 
01172 static inline char *mkpath(char *buf, size_t buflen, const char *path, const char *file)
01173 {
01174   ttd_strlcpy(buf, path, buflen); // copy directory into buffer
01175 
01176   char *p = strchr(buf, '\0'); // add path seperator if necessary
01177   if (p[-1] != PATHSEPCHAR && (size_t)(p - buf) + 1 < buflen) *p++ = PATHSEPCHAR;
01178   ttd_strlcpy(p, file, buflen - (size_t)(p - buf)); // catenate filename at end of buffer
01179   return buf;
01180 }
01181 
01182 #if defined(__MINGW32__)
01183 
01188 static inline char *replace_pathsep(char *s)
01189 {
01190   for (char *c = s; *c != '\0'; c++) if (*c == '/') *c = '\\';
01191   return s;
01192 }
01193 #else
01194 static inline char *replace_pathsep(char *s) { return s; }
01195 #endif
01196 
01198 static const OptionData _opts[] = {
01199     GETOPT_NOVAL(     'v',  "--version"),
01200   GETOPT_GENERAL('C', '\0', "-export-commands", ODF_NO_VALUE),
01201   GETOPT_GENERAL('L', '\0', "-export-plurals",  ODF_NO_VALUE),
01202   GETOPT_GENERAL('P', '\0', "-export-pragmas",  ODF_NO_VALUE),
01203     GETOPT_NOVAL(     't',  "--todo"),
01204     GETOPT_NOVAL(     'w',  "--warning"),
01205     GETOPT_NOVAL(     'h',  "--help"),
01206   GETOPT_GENERAL('h', '?',  NULL,               ODF_NO_VALUE),
01207     GETOPT_VALUE(     's',  "--source_dir"),
01208     GETOPT_VALUE(     'd',  "--dest_dir"),
01209   GETOPT_END(),
01210 };
01211 
01212 int CDECL main(int argc, char *argv[])
01213 {
01214   char pathbuf[MAX_PATH];
01215   const char *src_dir = ".";
01216   const char *dest_dir = NULL;
01217 
01218   GetOptData mgo(argc - 1, argv + 1, _opts);
01219   for (;;) {
01220     int i = mgo.GetOpt();
01221     if (i == -1) break;
01222 
01223     switch (i) {
01224       case 'v':
01225         puts("$Revision$");
01226         return 0;
01227 
01228       case 'C':
01229         printf("args\tflags\tcommand\treplacement\n");
01230         for (const CmdStruct *cs = _cmd_structs; cs < endof(_cmd_structs); cs++) {
01231           char flags;
01232           switch (cs->value) {
01233             case 0x200E: case 0x200F: // Implicit BIDI controls
01234             case 0x202A: case 0x202B: case 0x202C: case 0x202D: case 0x202E: // Explicit BIDI controls
01235             case 0xA0: // Non breaking space
01236             case '\n': // Newlines may be added too
01237             case '{':  // This special
01238               /* This command may be in the translation when it is not in base */
01239               flags = 'i';
01240               break;
01241 
01242             default:
01243               if (cs->proc == EmitGender) {
01244                 flags = 'g'; // Command needs number of parameters defined by number of genders
01245               } else if (cs->proc == EmitPlural) {
01246                 flags = 'p'; // Command needs number of parameters defined by plural value
01247               } else {
01248                 flags = '0'; // Command needs no parameters
01249               }
01250           }
01251           printf("%i\t%c\t\"%s\"\t\"%s\"\n", cs->consumes, flags, cs->cmd, strstr(cs->cmd, "STRING") ? "STRING" : cs->cmd);
01252         }
01253         return 0;
01254 
01255       case 'L':
01256         printf("count\tdescription\n");
01257         for (const PluralForm *pf = _plural_forms; pf < endof(_plural_forms); pf++) {
01258           printf("%i\t\"%s\"\n", pf->plural_count, pf->description);
01259         }
01260         return 0;
01261 
01262       case 'P':
01263         printf("name\tflags\tdefault\tdescription\n");
01264         for (size_t i = 0; i < lengthof(_pragmas); i++) {
01265           printf("\"%s\"\t%s\t\"%s\"\t\"%s\"\n",
01266               _pragmas[i][0], _pragmas[i][1], _pragmas[i][2], _pragmas[i][3]);
01267         }
01268         return 0;
01269 
01270       case 't':
01271         _show_todo |= 1;
01272         break;
01273 
01274       case 'w':
01275         _show_todo |= 2;
01276         break;
01277 
01278       case 'h':
01279         puts(
01280           "strgen - $Revision$\n"
01281           " -v | --version    print version information and exit\n"
01282           " -t | --todo       replace any untranslated strings with '<TODO>'\n"
01283           " -w | --warning    print a warning for any untranslated strings\n"
01284           " -h | -? | --help  print this help message and exit\n"
01285           " -s | --source_dir search for english.txt in the specified directory\n"
01286           " -d | --dest_dir   put output file in the specified directory, create if needed\n"
01287           " -export-commands  export all commands and exit\n"
01288           " -export-plurals   export all plural forms and exit\n"
01289           " -export-pragmas   export all pragmas and exit\n"
01290           " Run without parameters and strgen will search for english.txt and parse it,\n"
01291           " creating strings.h. Passing an argument, strgen will translate that language\n"
01292           " file using english.txt as a reference and output <language>.lng."
01293         );
01294         return 0;
01295 
01296       case 's':
01297         src_dir = replace_pathsep(mgo.opt);
01298         break;
01299 
01300       case 'd':
01301         dest_dir = replace_pathsep(mgo.opt);
01302         break;
01303 
01304       case -2:
01305         fprintf(stderr, "Invalid arguments\n");
01306         return 0;
01307     }
01308   }
01309 
01310   if (dest_dir == NULL) dest_dir = src_dir; // if dest_dir is not specified, it equals src_dir
01311 
01312   /* strgen has two modes of operation. If no (free) arguments are passed
01313    * strgen generates strings.h to the destination directory. If it is supplied
01314    * with a (free) parameter the program will translate that language to destination
01315    * directory. As input english.txt is parsed from the source directory */
01316   if (mgo.numleft == 0) {
01317     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
01318 
01319     /* parse master file */
01320     _masterlang = true;
01321     ParseFile(pathbuf, true);
01322     MakeHashOfStrings();
01323     if (_errors != 0) return 1;
01324 
01325     /* write strings.h */
01326     ottd_mkdir(dest_dir);
01327     mkpath(pathbuf, lengthof(pathbuf), dest_dir, "strings.h");
01328     WriteStringsH(pathbuf);
01329   } else if (mgo.numleft == 1) {
01330     char *r;
01331 
01332     mkpath(pathbuf, lengthof(pathbuf), src_dir, "english.txt");
01333 
01334     /* parse master file and check if target file is correct */
01335     _masterlang = false;
01336     ParseFile(pathbuf, true);
01337     MakeHashOfStrings();
01338     ParseFile(replace_pathsep(mgo.argv[0]), false); // target file
01339     if (_errors != 0) return 1;
01340 
01341     /* get the targetfile, strip any directories and append to destination path */
01342     r = strrchr(mgo.argv[0], PATHSEPCHAR);
01343     mkpath(pathbuf, lengthof(pathbuf), dest_dir, (r != NULL) ? &r[1] : mgo.argv[0]);
01344 
01345     /* rename the .txt (input-extension) to .lng */
01346     r = strrchr(pathbuf, '.');
01347     if (r == NULL || strcmp(r, ".txt") != 0) r = strchr(pathbuf, '\0');
01348     ttd_strlcpy(r, ".lng", (size_t)(r - pathbuf));
01349     WriteLangfile(pathbuf);
01350 
01351     /* if showing warnings, print a summary of the language */
01352     if ((_show_todo & 2) != 0) {
01353       fprintf(stdout, "%d warnings and %d errors for %s\n", _warnings, _errors, pathbuf);
01354     }
01355   } else {
01356     fprintf(stderr, "Invalid arguments\n");
01357   }
01358 
01359   return 0;
01360 }

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