/*- * Copyright (c) 1998 fjoe <fjoe@iclub.nsu.ru> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: db_lang.c,v 1.14 1999/04/16 15:52:23 fjoe Exp $ */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include "merc.h" #include "db.h" #include "lang.h" DECLARE_DBLOAD_FUN(load_lang); DECLARE_DBLOAD_FUN(load_rulecl); DECLARE_DBINIT_FUN(init_lang); DBFUN dbfun_langs[] = { { "LANG", load_lang }, { "RULECLASS", load_rulecl }, { NULL } }; DBDATA db_langs = { dbfun_langs, init_lang }; DECLARE_DBLOAD_FUN(load_expl); DECLARE_DBLOAD_FUN(load_impl); DBFUN dbfun_expl[] = { { "RULE", load_expl }, { NULL } }; DBFUN dbfun_impl[] = { { "RULE", load_impl }, { NULL } }; DBDATA db_expl = { dbfun_expl }; DBDATA db_impl = { dbfun_impl }; /*---------------------------------------------------------------------------- * lang loader */ DBINIT_FUN(init_lang) { db_set_arg(dbdata, "RULECLASS", NULL); } DBLOAD_FUN(load_lang) { lang_t *lang = lang_new(); lang->file_name = get_filename(filename); db_set_arg(dbdata, "RULECLASS", lang); for (;;) { char *word = feof(fp) ? "End" : fread_word(fp); bool fMatch = FALSE; switch (UPPER(*word)) { case 'E': if (!str_cmp(word, "End")) { if (IS_NULLSTR(lang->name)) { db_error("load_lang", "lang name undefined"); langs.nused--; return; } return; } break; case 'F': KEY("Flags", lang->flags, fread_fstring(lang_flags, fp)); break; case 'N': KEY("Name", lang->name, str_dup(fread_word(fp))); break; case 'S': KEY("SlangOf", lang->slang_of, lang_lookup(fread_word(fp))); } if (!fMatch) db_error("load_lang", "%s: Unknown keyword", word); } } DBLOAD_FUN(load_rulecl) { lang_t *l = arg; char *word; rulecl_t *rcl = NULL; if (!l) { db_error("load_rulecl", "#RULECLASS before #LANG"); return; } word = feof(fp) ? "End" : fread_word(fp); if (!str_cmp(word, "Class")) rcl = l->rules + fread_fword(rulecl_names, fp); else { db_error("load_rulecl", "Class must be defined first"); return; } for (;;) { char *word = feof(fp) ? "End" : fread_word(fp); bool fMatch = FALSE; switch (UPPER(*word)) { case 'E': SKEY("Expl", rcl->file_expl); if (!str_cmp(word, "End")) { const char *s; char path[PATH_MAX]; s = strrchr(filename, PATH_SEPARATOR); if (s) { strnzncpy(path, sizeof(path), filename, s - filename); } else path[0] = '\0'; if (rcl->file_expl) { db_set_arg(&db_expl, "RULE", rcl); db_load_file(&db_expl, path, rcl->file_expl); } if (rcl->file_impl) { db_set_arg(&db_impl, "RULE", rcl); db_load_file(&db_impl, path, rcl->file_impl); } return; } break; case 'I': SKEY("Impl", rcl->file_impl); break; } if (!fMatch) db_error("load_rulecl", "%s: Unknown keyword", word); } } static void load_rules(FILE *fp, rulecl_t *rcl, rule_t* (*add_rule)(rulecl_t*, rule_t*)); DBLOAD_FUN(load_expl) { load_rules(fp, arg, erule_add); } DBLOAD_FUN(load_impl) { load_rules(fp, arg, irule_add); } static void load_rules(FILE *fp, rulecl_t *rcl, rule_t* (*rule_add)(rulecl_t*, rule_t*)) { rule_t r; rule_init(&r); for (;;) { char *word = feof(fp) ? "End" : fread_word(fp); bool fMatch = FALSE; switch(UPPER(*word)) { case 'B': KEY("BaseLen", r.arg, fread_number(fp)); break; case 'E': if (!str_cmp(word, "End")) { if (IS_NULLSTR(r.name)) { db_error("load_rules", "rule name undefined"); rule_clear(&r); } else if (!rule_add(rcl, &r)) rule_clear(&r); return; } break; case 'F': if (!str_cmp(word, "Form")) { int fnum = fread_number(fp); const char *fstring = fread_string(fp); vform_add(r.f, fnum, fstring); free_string(fstring); fMatch = TRUE; } break; case 'N': SKEY("Name", r.name); break; } if (!fMatch) db_error("load_rules", "%s: Unknown keyword", word); } }