net.http: add a Header.starting_with method, to get the first header, starting with a key (#10119)

pull/10376/head
Carlos Esquerdo Bernat 2021-06-07 10:18:40 +02:00 committed by GitHub
parent eef445508f
commit 86778d06b1
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2 changed files with 18 additions and 0 deletions

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@ -469,6 +469,16 @@ pub fn (h Header) get_custom(key string, flags ...HeaderQueryConfig) ?string {
return h.data[data_key][0]
}
// Gets the first value of the header starting with key, or none if the key does not exist.
pub fn (h Header) starting_with(key string) ?string {
for k, _ in h.data {
if k.starts_with(key) {
return k
}
}
return none
}
// Gets all values for the CommonHeader.
pub fn (h Header) values(key CommonHeader) []string {
return h.custom_values(key.str())

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@ -115,6 +115,14 @@ fn test_get_custom() ? {
}
}
fn test_starting_with() ? {
mut h := http.new_header()
h.add_custom('Hello-1', 'world') ?
h.add_custom('Hello-21', 'world') ?
assert h.starting_with('Hello-') ? == 'Hello-1'
assert h.starting_with('Hello-2') ? == 'Hello-21'
}
fn test_custom_values() ? {
mut h := http.new_header()
h.add_custom('Hello', 'world') ?