149 lines
2.8 KiB
C
149 lines
2.8 KiB
C
/*
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Copyright (C) 2018 Parallel Realities
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "lookup.h"
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static Lookup head;
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static Lookup *tail;
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static void addLookup(const char *name, long value);
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void initLookups(void)
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{
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memset(&head, 0, sizeof(Lookup));
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tail = &head;
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addLookup("FACING_LEFT", FACING_LEFT);
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addLookup("FACING_RIGHT", FACING_RIGHT);
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}
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static void addLookup(const char *name, long value)
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{
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Lookup *lookup = malloc(sizeof(Lookup));
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memset(lookup, 0, sizeof(Lookup));
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STRNCPY(lookup->name, name, MAX_NAME_LENGTH);
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lookup->value = value;
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tail->next = lookup;
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tail = lookup;
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}
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long lookup(const char *name)
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{
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Lookup *l;
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for (l = head.next ; l != NULL ; l = l->next)
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{
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if (strcmp(l->name, name) == 0)
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{
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return l->value;
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}
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}
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SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "No such lookup value '%s'", name);
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exit(1);
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return 0;
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}
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char *getLookupName(const char *prefix, long num)
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{
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Lookup *l;
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for (l = head.next ; l != NULL ; l = l->next)
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{
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if (l->value == num && strncmp(prefix, l->name, strlen(prefix)) == 0)
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{
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return l->name;
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}
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}
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SDL_LogMessage(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_ERROR, "No such lookup value %ld, prefix=%s", num, prefix);
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exit(1);
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return "";
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}
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const char *getFlagValues(const char *prefix, long flags)
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{
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static char flagStr[MAX_DESCRIPTION_LENGTH];
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int requirePlus;
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Lookup *l;
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memset(flagStr, '\0', MAX_DESCRIPTION_LENGTH);
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requirePlus = 0;
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for (l = head.next ; l != NULL ; l = l->next)
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{
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if (flags & l->value && strncmp(prefix, l->name, strlen(prefix)) == 0)
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{
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if (requirePlus)
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{
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strcat(flagStr, "+");
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}
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strcat(flagStr, l->name);
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requirePlus = 1;
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}
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}
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return flagStr;
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}
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long flagsToLong(const char *in)
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{
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char *flag, *flags;
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long total;
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total = 0;
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if (strlen(in) > 0)
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{
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flags = malloc(strlen(in) + 1);
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STRNCPY(flags, in, strlen(in) + 1);
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flag = strtok(flags, "+");
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while (flag)
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{
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total += lookup(flag);
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flag = strtok(NULL, "+");
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}
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free(flags);
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}
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return total;
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}
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void destroyLookups(void)
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{
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Lookup *l;
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while (head.next)
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{
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l = head.next;
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head.next = l->next;
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free(l);
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}
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}
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