time/ISO8601: support omitting field separators

Closes https://github.com/MusicPlayerDaemon/MPD/issues/685
This commit is contained in:
Max Kellermann 2019-12-16 23:15:48 +01:00
parent b7744be208
commit 15ce8eb487
3 changed files with 23 additions and 4 deletions

4
NEWS
View File

@ -1,7 +1,7 @@
ver 0.21.17 (not yet released)
* protocol
- relax the ISO 8601 parser: allow omitting the time of day and the "Z"
suffix
- relax the ISO 8601 parser: allow omitting field separators, the
time of day and the "Z" suffix
* archive
- zzip: improve error reporting
* outputs

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@ -123,8 +123,12 @@ ParseISO8601(const char *s)
/* parse the date */
const char *end = strptime(s, "%F", &tm);
if (end == nullptr) {
/* try without field separators */
end = strptime(s, "%Y%m%d", &tm);
if (end == nullptr)
throw std::runtime_error("Failed to parse date");
}
s = end;
@ -136,6 +140,12 @@ ParseISO8601(const char *s)
if ((end = strptime(s, "%T", &tm)) != nullptr)
precision = std::chrono::seconds(1);
else if ((end = strptime(s, "%H%M%S", &tm)) != nullptr)
/* no field separators */
precision = std::chrono::seconds(1);
else if ((end = strptime(s, "%H%M", &tm)) != nullptr)
/* no field separators */
precision = std::chrono::minutes(1);
else if ((end = strptime(s, "%H:%M", &tm)) != nullptr)
precision = std::chrono::minutes(1);
else if ((end = strptime(s, "%H", &tm)) != nullptr)

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@ -71,6 +71,15 @@ static constexpr struct {
{ "2019-02-04T16:46:41+0200", 1549291601, std::chrono::seconds(1) },
{ "2019-02-04T16:46:41+02:00", 1549291601, std::chrono::seconds(1) },
{ "2019-02-04T16:46:41-0200", 1549306001, std::chrono::seconds(1) },
/* without field separators */
{ "19700101T000000Z", 0, std::chrono::seconds(1) },
{ "19700101T000001Z", 1, std::chrono::seconds(1) },
{ "20190204T164641Z", 1549298801, std::chrono::seconds(1) },
{ "19700101", 0, std::chrono::hours(24) },
{ "20190204", 1549238400, std::chrono::hours(24) },
{ "20190204T1646", 1549298760, std::chrono::minutes(1) },
{ "20190204T16", 1549296000, std::chrono::hours(1) },
};
TEST(ISO8601, Parse)