Reduction interface developing, OneAgainstAll now in

1 files changed, 13 insertions, 1 deletions

diff --git a/vowpalwabbit/parse_primitives.h b/vowpalwabbit/parse_primitives.h
index 623a9e63..8ce6f335 100644
--- a/vowpalwabbit/parse_primitives.h
+++ b/vowpalwabbit/parse_primitives.h
@@ -7,14 +7,26 @@ embodied in the content of this file are licensed under the BSD
 #ifndef PP
 #define PP
 
-#include "v_array.h"
 #include<iostream>
+#include "v_array.h"
+#include "io.h"
 
 struct substring {
   char *begin;
   char *end;
 };
 
+struct label_parser {
+  void (*default_label)(void*);
+  void (*parse_label)(void*, v_array<substring>&);
+  void (*cache_label)(void*, io_buf& cache);
+  size_t (*read_cached_label)(void*, io_buf& cache);
+  void (*delete_label)(void*);
+  float (*get_weight)(void*);
+  float (*get_initial)(void*);
+  size_t label_size;
+};
+
 //chop up the string into a v_array of substring.
 void tokenize(char delim, substring s, v_array<substring> &ret);