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#include <stdio.h>
#include <cleri/cleri.h>
const char * TestOptional = "hello";
int main(void)
{
/* define grammar */
cleri_t * k_hello = cleri_keyword(0, "hello", 0);
cleri_t * k_there = cleri_keyword(0, "there", 0);
cleri_t * optional = cleri_optional(
0, // gid, not used in this example
k_there); // optional element
cleri_t * greet = cleri_sequence(
0, // gid, not used in this example
2, // number of elements
k_hello, optional); // elements
/* create grammar */
cleri_grammar_t * grammar = cleri_grammar(greet, NULL);
/* parse some test string */
cleri_parse_t * pr = cleri_parse(grammar, TestOptional);
printf("Test: %s, '%s'\n", pr->is_valid ? "true" : "false", TestOptional);
/* cleanup */
cleri_parse_free(pr);
cleri_grammar_free(grammar);
return 0;
}
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