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/*
* Copyright (C) 1984-2024 Mark Nudelman
*
* You may distribute under the terms of either the GNU General Public
* License or the Less License, as specified in the README file.
*
* For more information, see the README file.
*/
#include "lang.h"
#include "xbuf.h"
/*
* Format of a lesskey file:
*
* LESSKEY_MAGIC (4 bytes)
* sections...
* END_LESSKEY_MAGIC (4 bytes)
*
* Each section is:
*
* section_MAGIC (1 byte)
* section_length (2 bytes)
* key table (section_length bytes)
*/
#define C0_LESSKEY_MAGIC '\0'
#define C1_LESSKEY_MAGIC 'M'
#define C2_LESSKEY_MAGIC '+'
#define C3_LESSKEY_MAGIC 'G'
#define CMD_SECTION 'c'
#define EDIT_SECTION 'e'
#define VAR_SECTION 'v'
#define END_SECTION 'x'
#define C0_END_LESSKEY_MAGIC 'E'
#define C1_END_LESSKEY_MAGIC 'n'
#define C2_END_LESSKEY_MAGIC 'd'
/* */
#define KRADIX 64
struct lesskey_cmdname
{
constant char *cn_name;
int cn_action;
};
struct lesskey_table
{
constant struct lesskey_cmdname *names;
struct xbuffer buf;
int is_var;
};
struct lesskey_tables
{
struct lesskey_table *currtable;
struct lesskey_table cmdtable;
struct lesskey_table edittable;
struct lesskey_table vartable;
};
extern int parse_lesskey(constant char *infile, struct lesskey_tables *tables);
extern int parse_lesskey_content(constant char *content, struct lesskey_tables *tables);
/* keep in sync with less.h */
#if HAVE_SNPRINTF
#define SNPRINTF1(str, size, fmt, v1) snprintf((str), (size), (fmt), (v1))
#define SNPRINTF2(str, size, fmt, v1, v2) snprintf((str), (size), (fmt), (v1), (v2))
#define SNPRINTF3(str, size, fmt, v1, v2, v3) snprintf((str), (size), (fmt), (v1), (v2), (v3))
#define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) snprintf((str), (size), (fmt), (v1), (v2), (v3), (v4))
#else
/* Use unsafe sprintf if we don't have snprintf. */
#define SNPRINTF1(str, size, fmt, v1) sprintf((str), (fmt), (v1))
#define SNPRINTF2(str, size, fmt, v1, v2) sprintf((str), (fmt), (v1), (v2))
#define SNPRINTF3(str, size, fmt, v1, v2, v3) sprintf((str), (fmt), (v1), (v2), (v3))
#define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) sprintf((str), (fmt), (v1), (v2), (v3), (v4))
#endif
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