#include "parse.h"

#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "util.h"
#include "datatypes.h"

/*
Copyright (c) 2013-2021 Devine Lu Linvega
2018 web port by rezmason
2021 C89 port by rezmason

Permission to use, copy, modify, and distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE.
*/

#define testEnum(prefix, e) strcmp(name, #e) == 0 ? ((found = 1) && (*dest = prefix##e)) : 0;

void
parseZone(Zone *dest, char *name)
{
	int found = 0;
	testEnum(ZONE_, NONE);
	testEnum(ZONE_, ANTECHANNEL);
	testEnum(ZONE_, CAPSULE);
	testEnum(ZONE_, CIRCULAR);
	testEnum(ZONE_, ENTENTE);
	testEnum(ZONE_, FOREST);
	testEnum(ZONE_, METAMONDST);
	testEnum(ZONE_, NATANIEV);
	testEnum(ZONE_, RAINRE);
	testEnum(ZONE_, STONES);
	testEnum(ZONE_, STUDIO);
	testEnum(ZONE_, NETHER);
	testEnum(ZONE_, TERMINAL);
	if(!found) {
		printf("Parse error: unknown zone %s\n", name);
	}
}

void
parseMazeAxis(MazeAxis *dest, char *name)
{
	int found = 0;
	testEnum(MAZEAXIS_, X);
	testEnum(MAZEAXIS_, Y);
	if(!found) {
		printf("Node data error: unknown mazeAxis %s\n", name);
	}
}

void
parseOrientation(Orientation *dest, char *name)
{
	int found = 0;
	testEnum(ORIENTATION_, NORTH);
	testEnum(ORIENTATION_, EAST);
	testEnum(ORIENTATION_, SOUTH);
	testEnum(ORIENTATION_, WEST);
	strcmp(name, "STRAIGHT") == 0 ? ((found = 1) && (*dest = ORIENTATION_NONE)) : 0;
	if(!found) {
		printf("Node data error: unknown orientation %s\n", name);
	}
}

static const char *lineDelim = "\n";

int
getNumLines(const char *s)
{
	int count = 0;
	char *lineSave = NULL;
	char *line;
	char *buf = malloc(strlen(s) + 1);
	strcpy(buf, s);
	line = getNextToken(buf, lineDelim, &lineSave);
	while(line != NULL) {
		count++;
		line = getNextToken(NULL, lineDelim, &lineSave);
	}
	free(buf);
	return count;
}