1 /* 2 * Copyright (C) 1984-2023 Mark Nudelman 3 * 4 * You may distribute under the terms of either the GNU General Public 5 * License or the Less License, as specified in the README file. 6 * 7 * For more information, see the README file. 8 */ 9 10 #include "xbuf.h" 11 12 /* 13 * Format of a lesskey file: 14 * 15 * LESSKEY_MAGIC (4 bytes) 16 * sections... 17 * END_LESSKEY_MAGIC (4 bytes) 18 * 19 * Each section is: 20 * 21 * section_MAGIC (1 byte) 22 * section_length (2 bytes) 23 * key table (section_length bytes) 24 */ 25 #define C0_LESSKEY_MAGIC '\0' 26 #define C1_LESSKEY_MAGIC 'M' 27 #define C2_LESSKEY_MAGIC '+' 28 #define C3_LESSKEY_MAGIC 'G' 29 30 #define CMD_SECTION 'c' 31 #define EDIT_SECTION 'e' 32 #define VAR_SECTION 'v' 33 #define END_SECTION 'x' 34 35 #define C0_END_LESSKEY_MAGIC 'E' 36 #define C1_END_LESSKEY_MAGIC 'n' 37 #define C2_END_LESSKEY_MAGIC 'd' 38 39 /* */ 40 #define KRADIX 64 41 42 struct lesskey_cmdname 43 { 44 char *cn_name; 45 int cn_action; 46 }; 47 48 struct lesskey_table 49 { 50 struct lesskey_cmdname *names; 51 struct xbuffer buf; 52 int is_var; 53 }; 54 55 struct lesskey_tables 56 { 57 struct lesskey_table *currtable; 58 struct lesskey_table cmdtable; 59 struct lesskey_table edittable; 60 struct lesskey_table vartable; 61 }; 62 63 extern int parse_lesskey(char *infile, struct lesskey_tables *tables); 64