// $Id$
//
-// TuxKart - a fun racing game with go-kart
-// Copyright (C) 2004 Matthias Braun <matze@braunis.de>
-// code in this file based on lispreader from Mark Probst
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
#ifndef __LISPREADER_H__
#define __LISPREADER_H__
#include <string>
#include <vector>
+#include <assert.h>
namespace lisp
{
{
public:
~Lisp();
-
+
enum LispType {
TYPE_CONS,
TYPE_SYMBOL,
};
LispType get_type() const
- { return type; }
+ { return type; }
Lisp* get_car() const
{ return v.cons.car; }
Lisp* get_cdr() const
{ return v.cons.cdr; }
+
bool get(std::string& val) const
- {
+ {
if(type != TYPE_STRING && type != TYPE_SYMBOL)
return false;
val = v.string;
return true;
}
+
+ std::string get_string() const
+ {
+ assert(type == TYPE_STRING);
+ return v.string;
+ }
+
bool get(unsigned int& val) const
{
if(type != TYPE_INTEGER)
val = v.integer;
return true;
}
+
bool get(int& val) const
{
if(type != TYPE_INTEGER)
val = v.integer;
return true;
}
+
+ int get_int() const
+ {
+ assert(type == TYPE_INTEGER);
+ return v.integer;
+ }
+
bool get(float& val) const
{
if(type != TYPE_REAL) {
if(type == TYPE_INTEGER) {
- val = v.integer;
+ val = (float) v.integer;
return true;
}
return false;
val = v.real;
return true;
}
+
+ float get_float() const
+ {
+ assert(type == TYPE_REAL);
+ return v.real;
+ }
+
bool get(bool& val) const
{
if(type != TYPE_BOOLEAN)
return true;
}
+ bool get_bool() const
+ {
+ assert(type == TYPE_BOOLEAN);
+ return v.boolean;
+ }
+
/** conveniance functions which traverse the list until a child with a
* specified name is found. The value part is then interpreted in a specific
* way. The functions return true, if a child was found and could be
bool get_vector(const char* name, std::vector<T>& vec) const
{
vec.clear();
-
+
const Lisp* child = get_lisp(name);
if(!child)
return false;
-
+
for( ; child != 0; child = child->get_cdr()) {
T val;
if(!child->get_car())
vec.push_back(val);
}
}
-
+
return true;
}
-
+
Lisp* get_lisp(const char* name) const;
Lisp* get_lisp(const std::string& name) const
{ return get_lisp(name.c_str()); }
} // end of namespace lisp
#endif
-