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Refactor ALL the things!

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Dan Hirsch 2012-05-26 16:00:43 +02:00
parent 6a2f10df0c
commit f2def8fa05
28 changed files with 930 additions and 855 deletions
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43
src/parsers/charset.c Normal file
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#include "parser_internal.h"
static HParseResult* parse_charset(void *env, HParseState *state) {
uint8_t in = h_read_bits(&state->input_stream, 8, false);
HCharset cs = (HCharset)env;
if (charset_isset(cs, in)) {
HParsedToken *tok = a_new(HParsedToken, 1);
tok->token_type = TT_UINT; tok->uint = in;
return make_result(state, tok);
} else
return NULL;
}
static const HParserVtable charset_vt = {
.parse = parse_charset,
};
const HParser* h_ch_range(const uint8_t lower, const uint8_t upper) {
HParser *ret = g_new(HParser, 1);
HCharset cs = new_charset();
for (int i = 0; i < 256; i++)
charset_set(cs, i, (lower <= i) && (i <= upper));
ret->vtable = &charset_vt;
ret->env = (void*)cs;
return (const HParser*)ret;
}
const HParser* h_not_in(const uint8_t *options, int count) {
HParser *ret = g_new(HParser, 1);
HCharset cs = new_charset();
for (int i = 0; i < 256; i++)
charset_set(cs, i, 1);
for (int i = 0; i < count; i++)
charset_set(cs, options[i], 0);
ret->vtable = &charset_vt;
ret->env = (void*)cs;
return (const HParser*)ret;
}