Now the growings animation looks pretty cool :)

[supertux.git] / src / lispreader.h

diff --git a/src/lispreader.h b/src/lispreader.h
index eb8c057..3c3ba73 100644 (file)
--- a/src/lispreader.h
+++ b/src/lispreader.h
@@ -3,6 +3,7 @@
  * lispreader.h
  *
  * Copyright (C) 1998-2000 Mark Probst
+ * Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -24,6 +25,11 @@
 #define __LISPREADER_H__
 
 #include <stdio.h>
+#include <zlib.h>
+#include <string>
+#include <vector>
+#include <exception>
+#include "exceptions.h"
 
 #define LISP_STREAM_FILE       1
 #define LISP_STREAM_STRING     2
@@ -51,60 +57,74 @@
 #define LISP_PATTERN_LIST       7
 #define LISP_PATTERN_OR         8
 
-typedef struct
+// Exception
+class LispReaderException : public SuperTuxException
 {
+  public:
+    LispReaderException(const char* _message = "lispreader error", const char* _file = "", const unsigned int _line = 0)
+      : SuperTuxException(_message, _file, _line) { };
+};
+
+typedef struct
+  {
     int type;
 
     union
-    {
-       FILE *file;
-       struct
-       {
-           char *buf;
-           int pos;
-       } string;
+      {
+        FILE *file;
         struct
-       {
-           void *data;
-           int (*next_char) (void *data);
-           void (*unget_char) (char c, void *data);
-       } any;
-    } v;
-} lisp_stream_t;
+          {
+            char *buf;
+            int pos;
+          }
+        string;
+        struct
+          {
+            void *data;
+            int (*next_char) (void *data);
+            void (*unget_char) (char c, void *data);
+          }
+        any;
+      } v;
+  }
+lisp_stream_t;
 
 typedef struct _lisp_object_t lisp_object_t;
 struct _lisp_object_t
-{
+  {
     int type;
 
     union
-    {
-       struct
-       {
-           struct _lisp_object_t *car;
-           struct _lisp_object_t *cdr;
-       } cons;
-
-       char *string;
-       int integer;
-       float real;
-
-       struct
-       {
-           int type;
-           int index;
-           struct _lisp_object_t *sub;
-       } pattern;
-    } v;
-};
+      {
+        struct
+          {
+            struct _lisp_object_t *car;
+            struct _lisp_object_t *cdr;
+          }
+        cons;
+
+        char *string;
+        int integer;
+        float real;
+
+        struct
+          {
+            int type;
+            int index;
+            struct _lisp_object_t *sub;
+          }
+        pattern;
+      } v;
+  };
 
 lisp_stream_t* lisp_stream_init_file (lisp_stream_t *stream, FILE *file);
 lisp_stream_t* lisp_stream_init_string (lisp_stream_t *stream, char *buf);
-lisp_stream_t* lisp_stream_init_any (lisp_stream_t *stream, void *data, 
-                                    int (*next_char) (void *data),
-                                    void (*unget_char) (char c, void *data));
+lisp_stream_t* lisp_stream_init_any (lisp_stream_t *stream, void *data,
+                                     int (*next_char) (void *data),
+                                     void (*unget_char) (char c, void *data));
 
 lisp_object_t* lisp_read (lisp_stream_t *in);
+lisp_object_t* lisp_read_from_file(const std::string& filename);
 void lisp_free (lisp_object_t *obj);
 
 lisp_object_t* lisp_read_from_string (const char *buf);
@@ -147,4 +167,36 @@ void lisp_dump (lisp_object_t *obj, FILE *out);
 #define lisp_cons_p(obj)     (lisp_type((obj)) == LISP_TYPE_CONS)
 #define lisp_boolean_p(obj)  (lisp_type((obj)) == LISP_TYPE_BOOLEAN)
 
+/** */
+class LispReader
+{
+private:
+  lisp_object_t* owner;
+  lisp_object_t* lst;
+
+  lisp_object_t* search_for(const char* name);
+  
+public:
+  /** cur == ((pos 1 2 3) (id 12 3 4)...) */
+  LispReader(lisp_object_t* l);
+  ~LispReader();
+
+  bool read_int_vector(const char* name, std::vector<int>& vec);
+  bool read_int_vector(const char* name, std::vector<unsigned int>& vec);
+  bool read_char_vector(const char* name, std::vector<char>& vec);
+  bool read_string_vector(const char* name, std::vector<std::string>& vec);
+  bool read_string(const char* name, std::string& str);
+  bool read_int(const char* name, int& i);
+  bool read_float(const char* name, float& f);
+  bool read_bool(const char* name, bool& b);
+  bool read_lisp(const char* name, lisp_object_t*& b);
+  LispReader* read_lisp(const char* name);
+
+  static LispReader* load(const std::string& filename,
+      const std::string& toplevellist);
+
+  lisp_object_t* get_lisp();
+};
+
 #endif
+