mirror of
https://git.proxmox.com/git/grub2
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4efeab03dc
* include/grub/parser.h (grub_parser_register): Document need
of `name' parameter.
* normal/main.c (grub_normal_read_line): Simplify prompt string.
* script/sh/main.c (grub_sh_parser, GRUB_MOD_INIT(sh)): Rename
"sh" to "grub".
119 lines
3.2 KiB
C
119 lines
3.2 KiB
C
/* 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) 2005,2007,2009 Free Software Foundation, Inc.
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*
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* GRUB 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 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
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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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#include <grub/reader.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_reader_getline_t getline,
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int *argc, char ***argv);
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struct grub_parser
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{
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/* The next parser. */
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struct grub_parser *next;
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/* The parser name. */
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const char *name;
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/* Initialize the parser. */
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grub_err_t (*init) (void);
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/* Clean up the parser. */
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grub_err_t (*fini) (void);
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grub_err_t (*parse_line) (char *line, grub_reader_getline_t getline);
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};
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typedef struct grub_parser *grub_parser_t;
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extern struct grub_handler_class EXPORT_VAR(grub_parser_class);
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grub_err_t EXPORT_FUNC(grub_parser_execute) (char *source);
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static inline void
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grub_parser_register (const char *name __attribute__ ((unused)),
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/* `name' is ignored here, but used by genhandlerlist.sh. */
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grub_parser_t parser)
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{
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grub_handler_register (&grub_parser_class, GRUB_AS_HANDLER (parser));
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}
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static inline void
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grub_parser_unregister (grub_parser_t parser)
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{
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grub_handler_unregister (&grub_parser_class, GRUB_AS_HANDLER (parser));
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}
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static inline grub_parser_t
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grub_parser_get_current (void)
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{
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return (grub_parser_t) grub_parser_class.cur_handler;
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}
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static inline grub_err_t
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grub_parser_set_current (grub_parser_t parser)
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{
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return grub_handler_set_current (&grub_parser_class,
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GRUB_AS_HANDLER (parser));
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}
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void grub_register_rescue_parser (void);
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#endif /* ! GRUB_PARSER_HEADER */
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