URL decoding: Difference between revisions
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GordonBGood (talk | contribs) m →{{header|FreePascal}}: add space to "Free Pascal" as there is already a language category for it... |
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<code>URI.unescape</code> (alias <code>URI.unencode</code>) still works. <code>URI.unescape</code> is obsolete since Ruby 1.9.2 because of problems with its sibling <code>URI.escape</code>.
=={{header|Rust}}==
<lang rust>const INPUT1: &str = "http%3A%2F%2Ffoo%20bar%2F";
const INPUT2: &str = "google.com/search?q=%60Abdu%27l-Bah%C3%A1";
fn append_frag(text: &mut String, frag: &mut String) {
if !frag.is_empty() {
let encoded = frag.chars()
.collect::<Vec<char>>()
.chunks(2)
.map(|ch| {
u8::from_str_radix(&ch.iter().collect::<String>(), 16).unwrap()
}).collect::<Vec<u8>>();
text.push_str(&std::str::from_utf8(&encoded).unwrap());
frag.clear();
}
}
fn decode(text: &str) -> String {
let mut output = String::new();
let mut encoded_ch = String::new();
let mut iter = text.chars();
while let Some(ch) = iter.next() {
if ch == '%' {
encoded_ch.push_str(&format!("{}{}", iter.next().unwrap(), iter.next().unwrap()));
} else {
append_frag(&mut output, &mut encoded_ch);
output.push(ch);
}
}
append_frag(&mut output, &mut encoded_ch);
output
}
fn main() {
println!("{}", decode(INPUT1));
println!("{}", decode(INPUT2));
}</lang>
{{out}}
<pre>
http://foo bar/
google.com/search?q=`Abdu'l-Bahá
</pre>
=={{header|Scala}}==
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