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fix base64 example to parse more than the 2- and 1-byte special cases

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Sven M. Hallberg 2013-01-08 00:19:23 +01:00
parent ad4aa74b85
commit bc486aa840
1 changed files with 5 additions and 1 deletions
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6
examples/base64.c
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@ -19,9 +19,13 @@ void init_parser(void)
h_ch('Y'), h_ch('c'), h_ch('g'), h_ch('k'), h_ch('o'), h_ch('s'), h_ch('Y'), h_ch('c'), h_ch('g'), h_ch('k'), h_ch('o'), h_ch('s'),
h_ch('w'), h_ch('0'), h_ch('4'), h_ch('8'), NULL); h_ch('w'), h_ch('0'), h_ch('4'), h_ch('8'), NULL);
const HParser *bsfdig_2bit = h_choice(h_ch('A'), h_ch('Q'), h_ch('g'), h_ch('w'), NULL); const HParser *bsfdig_2bit = h_choice(h_ch('A'), h_ch('Q'), h_ch('g'), h_ch('w'), NULL);
const HParser *base64_3 = h_repeat_n(bsfdig, 4);
const HParser *base64_2 = h_sequence(bsfdig, bsfdig, bsfdig_4bit, equals, NULL); const HParser *base64_2 = h_sequence(bsfdig, bsfdig, bsfdig_4bit, equals, NULL);
const HParser *base64_1 = h_sequence(bsfdig, bsfdig_2bit, equals, equals, NULL); const HParser *base64_1 = h_sequence(bsfdig, bsfdig_2bit, equals, equals, NULL);
const HParser *base64 = h_choice(base64_2, base64_1, NULL); const HParser *base64 = h_sequence(h_many(base64_3),
h_optional(h_choice(base64_2,
base64_1, NULL)),
NULL);
// why does this parse "A=="?! // why does this parse "A=="?!
// why does this parse "aaA=" but not "aA=="?! // why does this parse "aaA=" but not "aA=="?!