1 files changed, 96 insertions, 0 deletions
diff --git a/include/grub/parser.h b/include/grub/parser.h
new file mode 100644
index 0000000..64f9f5c
--- /dev/null
+++ b/include/grub/parser.h
@@ -0,0 +1,96 @@
+/* parser.h - prototypes for the command line parser.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2005,2007,2009  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_PARSER_HEADER
+#define GRUB_PARSER_HEADER	1
+
+#include <grub/types.h>
+#include <grub/err.h>
+#include <grub/reader.h>
+
+/* All the states for the command line.  */
+typedef enum
+  {
+    GRUB_PARSER_STATE_TEXT = 1,
+    GRUB_PARSER_STATE_ESC,
+    GRUB_PARSER_STATE_QUOTE,
+    GRUB_PARSER_STATE_DQUOTE,
+    GRUB_PARSER_STATE_VAR,
+    GRUB_PARSER_STATE_VARNAME,
+    GRUB_PARSER_STATE_VARNAME2,
+    GRUB_PARSER_STATE_QVAR,
+    GRUB_PARSER_STATE_QVARNAME,
+    GRUB_PARSER_STATE_QVARNAME2
+  } grub_parser_state_t;
+
+/* A single state transition.  */
+struct grub_parser_state_transition
+{
+  /* The state that is looked up.  */
+  grub_parser_state_t from_state;
+
+  /* The next state, determined by FROM_STATE and INPUT.  */
+  grub_parser_state_t to_state;
+
+  /* The input that will determine the next state from FROM_STATE.  */
+  char input;
+
+  /* If set to 1, the input is valid and should be used.  */
+  int keep_value;
+};
+
+/* Determines the state following STATE, determined by C.  */
+grub_parser_state_t
+EXPORT_FUNC (grub_parser_cmdline_state) (grub_parser_state_t state,
+					 char c, char *result);
+
+grub_err_t
+EXPORT_FUNC (grub_parser_split_cmdline) (const char *cmdline,
+					 grub_reader_getline_t getline_func,
+					 void *getline_func_data,
+					 int *argc, char ***argv);
+
+struct grub_parser
+{
+  /* The next parser.  */
+  struct grub_parser *next;
+
+  /* The parser name.  */
+  const char *name;
+
+  /* Initialize the parser.  */
+  grub_err_t (*init) (void);
+
+  /* Clean up the parser.  */
+  grub_err_t (*fini) (void);
+
+  grub_err_t (*parse_line) (char *line,
+			    grub_reader_getline_t getline_func,
+			    void *getline_func_data);
+};
+typedef struct grub_parser *grub_parser_t;
+
+grub_err_t grub_parser_execute (char *source);
+
+grub_err_t
+grub_rescue_parse_line (char *line,
+			grub_reader_getline_t getline_func,
+			void *getline_func_data);
+
+#endif /* ! GRUB_PARSER_HEADER */