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-rw-r--r--school/node_modules/whatwg-url/dist/percent-encoding.js141
1 files changed, 141 insertions, 0 deletions
diff --git a/school/node_modules/whatwg-url/dist/percent-encoding.js b/school/node_modules/whatwg-url/dist/percent-encoding.js
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+"use strict";
+const { isASCIIHex } = require("./infra");
+const { utf8Encode } = require("./encoding");
+
+// https://url.spec.whatwg.org/#percent-encode
+function percentEncode(c) {
+ let hex = c.toString(16).toUpperCase();
+ if (hex.length === 1) {
+ hex = `0${hex}`;
+ }
+
+ return `%${hex}`;
+}
+
+// https://url.spec.whatwg.org/#percent-decode
+function percentDecodeBytes(input) {
+ const output = new Uint8Array(input.byteLength);
+ let outputIndex = 0;
+ for (let i = 0; i < input.byteLength; ++i) {
+ const byte = input[i];
+ if (byte !== 0x25) {
+ output[outputIndex++] = byte;
+ } else if (byte === 0x25 && (!isASCIIHex(input[i + 1]) || !isASCIIHex(input[i + 2]))) {
+ output[outputIndex++] = byte;
+ } else {
+ const bytePoint = parseInt(String.fromCodePoint(input[i + 1], input[i + 2]), 16);
+ output[outputIndex++] = bytePoint;
+ i += 2;
+ }
+ }
+
+ // TODO: remove the Buffer.from in the next major version; it's only needed for back-compat, and sticking to standard
+ // typed arrays is nicer and simpler.
+ // See https://github.com/jsdom/data-urls/issues/17 for background.
+ return Buffer.from(output.slice(0, outputIndex));
+}
+
+// https://url.spec.whatwg.org/#string-percent-decode
+function percentDecodeString(input) {
+ const bytes = utf8Encode(input);
+ return percentDecodeBytes(bytes);
+}
+
+// https://url.spec.whatwg.org/#c0-control-percent-encode-set
+function isC0ControlPercentEncode(c) {
+ return c <= 0x1F || c > 0x7E;
+}
+
+// https://url.spec.whatwg.org/#fragment-percent-encode-set
+const extraFragmentPercentEncodeSet = new Set([32, 34, 60, 62, 96]);
+function isFragmentPercentEncode(c) {
+ return isC0ControlPercentEncode(c) || extraFragmentPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#query-percent-encode-set
+const extraQueryPercentEncodeSet = new Set([32, 34, 35, 60, 62]);
+function isQueryPercentEncode(c) {
+ return isC0ControlPercentEncode(c) || extraQueryPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#special-query-percent-encode-set
+function isSpecialQueryPercentEncode(c) {
+ return isQueryPercentEncode(c) || c === 39;
+}
+
+// https://url.spec.whatwg.org/#path-percent-encode-set
+const extraPathPercentEncodeSet = new Set([63, 96, 123, 125]);
+function isPathPercentEncode(c) {
+ return isQueryPercentEncode(c) || extraPathPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#userinfo-percent-encode-set
+const extraUserinfoPercentEncodeSet =
+ new Set([47, 58, 59, 61, 64, 91, 92, 93, 94, 124]);
+function isUserinfoPercentEncode(c) {
+ return isPathPercentEncode(c) || extraUserinfoPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#component-percent-encode-set
+const extraComponentPercentEncodeSet = new Set([36, 37, 38, 43, 44]);
+function isComponentPercentEncode(c) {
+ return isUserinfoPercentEncode(c) || extraComponentPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#application-x-www-form-urlencoded-percent-encode-set
+const extraURLEncodedPercentEncodeSet = new Set([33, 39, 40, 41, 126]);
+function isURLEncodedPercentEncode(c) {
+ return isComponentPercentEncode(c) || extraURLEncodedPercentEncodeSet.has(c);
+}
+
+// https://url.spec.whatwg.org/#code-point-percent-encode-after-encoding
+// https://url.spec.whatwg.org/#utf-8-percent-encode
+// Assuming encoding is always utf-8 allows us to trim one of the logic branches. TODO: support encoding.
+// The "-Internal" variant here has code points as JS strings. The external version used by other files has code points
+// as JS numbers, like the rest of the codebase.
+function utf8PercentEncodeCodePointInternal(codePoint, percentEncodePredicate) {
+ const bytes = utf8Encode(codePoint);
+ let output = "";
+ for (const byte of bytes) {
+ // Our percentEncodePredicate operates on bytes, not code points, so this is slightly different from the spec.
+ if (!percentEncodePredicate(byte)) {
+ output += String.fromCharCode(byte);
+ } else {
+ output += percentEncode(byte);
+ }
+ }
+
+ return output;
+}
+
+function utf8PercentEncodeCodePoint(codePoint, percentEncodePredicate) {
+ return utf8PercentEncodeCodePointInternal(String.fromCodePoint(codePoint), percentEncodePredicate);
+}
+
+// https://url.spec.whatwg.org/#string-percent-encode-after-encoding
+// https://url.spec.whatwg.org/#string-utf-8-percent-encode
+function utf8PercentEncodeString(input, percentEncodePredicate, spaceAsPlus = false) {
+ let output = "";
+ for (const codePoint of input) {
+ if (spaceAsPlus && codePoint === " ") {
+ output += "+";
+ } else {
+ output += utf8PercentEncodeCodePointInternal(codePoint, percentEncodePredicate);
+ }
+ }
+ return output;
+}
+
+module.exports = {
+ isC0ControlPercentEncode,
+ isFragmentPercentEncode,
+ isQueryPercentEncode,
+ isSpecialQueryPercentEncode,
+ isPathPercentEncode,
+ isUserinfoPercentEncode,
+ isURLEncodedPercentEncode,
+ percentDecodeString,
+ percentDecodeBytes,
+ utf8PercentEncodeString,
+ utf8PercentEncodeCodePoint
+};