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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:16 +0000
commit485f6ecd453d8a2fd8b9b9fadea03159d8b50797 (patch)
tree32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /include/grub/parser.h
parentInitial commit. (diff)
downloadgrub2-485f6ecd453d8a2fd8b9b9fadea03159d8b50797.tar.xz
grub2-485f6ecd453d8a2fd8b9b9fadea03159d8b50797.zip
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/grub/parser.h')
-rw-r--r--include/grub/parser.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/include/grub/parser.h b/include/grub/parser.h
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+++ b/include/grub/parser.h
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+/* 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 */