69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
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/* parser.h - prototypes for the command line parser. */
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef GRUB_PARSER_HEADER
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#define GRUB_PARSER_HEADER 1
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#include <grub/types.h>
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#include <grub/err.h>
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/* All the states for the command line. */
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typedef enum
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{
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GRUB_PARSER_STATE_TEXT = 1,
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GRUB_PARSER_STATE_ESC,
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GRUB_PARSER_STATE_QUOTE,
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GRUB_PARSER_STATE_DQUOTE,
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GRUB_PARSER_STATE_VAR,
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GRUB_PARSER_STATE_VARNAME,
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GRUB_PARSER_STATE_VARNAME2,
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GRUB_PARSER_STATE_QVAR,
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GRUB_PARSER_STATE_QVARNAME,
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GRUB_PARSER_STATE_QVARNAME2
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} grub_parser_state_t;
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/* A single state transition. */
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struct grub_parser_state_transition
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{
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/* The state that is looked up. */
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grub_parser_state_t from_state;
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/* The next state, determined by FROM_STATE and INPUT. */
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grub_parser_state_t to_state;
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/* The input that will determine the next state from FROM_STATE. */
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char input;
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/* If set to 1, the input is valid and should be used. */
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int keep_value;
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};
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/* Determines the state following STATE, determined by C. */
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grub_parser_state_t
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EXPORT_FUNC (grub_parser_cmdline_state) (grub_parser_state_t state,
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char c, char *result);
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grub_err_t
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EXPORT_FUNC (grub_parser_split_cmdline) (const char *cmdline,
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grub_err_t (*getline) (char **),
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int *argc, char ***argv);
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#endif /* ! GRUB_PARSER_HEADER */
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