You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
62 lines
1.4 KiB
62 lines
1.4 KiB
'use strict' |
|
|
|
var asciiAlphanumeric = require('../character/ascii-alphanumeric.js') |
|
var fromCharCode = require('../constant/from-char-code.js') |
|
|
|
// encoded sequences. |
|
|
|
function normalizeUri(value) { |
|
var index = -1 |
|
var result = [] |
|
var start = 0 |
|
var skip = 0 |
|
var code |
|
var next |
|
var replace |
|
|
|
while (++index < value.length) { |
|
code = value.charCodeAt(index) // A correct percent encoded value. |
|
|
|
if ( |
|
code === 37 && |
|
asciiAlphanumeric(value.charCodeAt(index + 1)) && |
|
asciiAlphanumeric(value.charCodeAt(index + 2)) |
|
) { |
|
skip = 2 |
|
} // ASCII. |
|
else if (code < 128) { |
|
if (!/[!#$&-;=?-Z_a-z~]/.test(fromCharCode(code))) { |
|
replace = fromCharCode(code) |
|
} |
|
} // Astral. |
|
else if (code > 55295 && code < 57344) { |
|
next = value.charCodeAt(index + 1) // A correct surrogate pair. |
|
|
|
if (code < 56320 && next > 56319 && next < 57344) { |
|
replace = fromCharCode(code, next) |
|
skip = 1 |
|
} // Lone surrogate. |
|
else { |
|
replace = '\uFFFD' |
|
} |
|
} // Unicode. |
|
else { |
|
replace = fromCharCode(code) |
|
} |
|
|
|
if (replace) { |
|
result.push(value.slice(start, index), encodeURIComponent(replace)) |
|
start = index + skip + 1 |
|
replace = undefined |
|
} |
|
|
|
if (skip) { |
|
index += skip |
|
skip = 0 |
|
} |
|
} |
|
|
|
return result.join('') + value.slice(start) |
|
} |
|
|
|
module.exports = normalizeUri
|
|
|