/**
* Copyright (C) 2011 Anders Sundman <[email protected]>
*
* This file is part of mfterm.
*
* mfterm 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.
*
* mfterm 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 mfterm. If not, see <http://www.gnu.org/licenses/>.
*/
%{
#include <stdio.h>
#include "dictionary.h"
static uint8_t key_token[6];
typedef enum {
DT_KEY = 1,
DT_ERR = 2
} dict_token_t;
%}
%option yylineno
hex_digit [0-9a-fA-F]
key {hex_digit}{12}
comment #[^\n]*
%%
{key} {
read_key(key_token, dp_text);
return DT_KEY;
}
{comment} {} // eat comments
[ \t\r\n]+ {} // eat white space
. {
printf("Line: %d - Unrecognized input: %s\n", dp_lineno, dp_text);
return DT_ERR;
}
%%
// Reset the line numbering at the end of a file
int dp_wrap() { dp_lineno = 1; return 1; }
// Parser loop. Import keys to the dictionary as they are found.
int dictionary_import(FILE* input) {
dict_token_t token;
int res = 0;
int keys_count = 0;
int imported_count = 0;
dp_in = input;
while((token = dp_lex())) {
switch(token) {
case DT_KEY:
++keys_count;
if (dictionary_add(key_token))
++imported_count;
break;
case DT_ERR:
default:
res = -1;
break;
}
}
if (res)
printf("There were errors.\n");
printf("%d keys (of %d) imported.\n", imported_count, keys_count);
return res;
}