1 files changed, 59 insertions, 0 deletions
diff --git a/dvi/dvilib/dl-loader.hh b/dvi/dvilib/dl-loader.hh
new file mode 100755
index 0000000..f0ac956
--- /dev/null
+++ b/dvi/dvilib/dl-loader.hh
@@ -0,0 +1,59 @@
+#ifndef DL_LOADER_HH
+#define DL_LOADER_HH
+
+#include <string>
+#include <cstdio>
+#include <vector>
+
+#include "dl-refcounted.hh"
+
+namespace DviLib {
+    
+    class AbstractLoader : public RefCounted {
+    public:
+	virtual int get_uint8 ()		= 0;
+	virtual int get_uint16 ();
+	virtual int get_uint24 ();
+	virtual int get_uint32 ();
+	
+	virtual int get_int8 ()			= 0;
+	virtual int get_int16 ();
+	virtual int get_int24 ();
+	virtual int get_int32 ();
+	
+	virtual string get_string8 ();
+	virtual string get_string16 ();
+	virtual string get_string24 ();
+	virtual string get_string32 ();
+	
+	virtual void skip_string8 ();
+	virtual void skip_string16 ();
+	virtual void skip_string24 ();
+	virtual void skip_string32 ();
+	
+	virtual void goto_from_start (int i)	= 0;
+	virtual void goto_from_end (int i)	= 0;
+	virtual void goto_from_current (int i)	= 0;
+	
+	virtual void skip_n (int n);
+	virtual string get_n (int n);
+	virtual void get_n (int n, unsigned char *v);
+	
+	virtual ~AbstractLoader() {};
+    };
+    
+    class FileLoader : public AbstractLoader {
+	FILE *f;
+	string filename;
+    public:
+	FileLoader (const string &name);
+	virtual int get_int8 ();
+	virtual int get_uint8 ();
+	virtual void goto_from_start (int i);
+	virtual void goto_from_end (int i);
+	virtual void goto_from_current (int i);
+	
+	virtual ~FileLoader ();
+    };
+}
+#endif // DL_LOADER_HH