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/* -*- c-basic-offset:2; tab-width:2; indent-tabs-mode:nil -*- */
#include "ef_str_parser.h"
#include <stdio.h>
/* --- static functions --- */
/* Same as ef_parser_init */
static void parser_init(ef_parser_t *parser) {
parser->str = NULL;
parser->marked_left = 0;
parser->left = 0;
parser->is_eos = 0;
}
/* Same as ef_parser_n_increment */
static size_t parser_n_increment(ef_parser_t *parser, size_t n) {
if (parser->left <= n) {
parser->str += parser->left;
parser->left = 0;
parser->is_eos = 1;
} else {
parser->str += n;
parser->left -= n;
}
return parser->left;
}
static void set_str(ef_parser_t *parser, const u_char *str, /* ef_char_t* */
size_t size) {
parser->str = str;
parser->left = size;
parser->marked_left = 0;
parser->is_eos = 0;
}
static void destroy(ef_parser_t *parser) {}
static int next_char(ef_parser_t *parser, ef_char_t *ch) {
if (parser->is_eos) {
return 0;
}
*ch = ((ef_char_t*)parser->str)[0];
parser_n_increment(parser, sizeof(ef_char_t));
return 1;
}
/* --- static variables --- */
static ef_parser_t parser = {
NULL, 0, 0, 0, parser_init, set_str, destroy, next_char,
};
/* --- global functions --- */
ef_parser_t *ef_str_parser_get(void) {
return &parser;
}
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