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Name	Size	Permission
URL-impl.js	4.34 KB	-rw-r--r--
URL.js	11.64 KB	-rw-r--r--
URLSearchParams-impl.js	2.7 KB	-rw-r--r--
URLSearchParams.js	13.77 KB	-rw-r--r--
encoding.js	328 B	-rw-r--r--
infra.js	518 B	-rw-r--r--
percent-encoding.js	4.77 KB	-rw-r--r--
url-state-machine.js	30.24 KB	-rw-r--r--
urlencoded.js	2.7 KB	-rw-r--r--
utils.js	2.9 KB	-rw-r--r--

Code Editor : urlencoded.js

"use strict";
const { utf8Encode, utf8DecodeWithoutBOM } = require("./encoding");
const { percentDecodeBytes, utf8PercentEncodeString, isURLEncodedPercentEncode } = require("./percent-encoding");

function p(char) {
  return char.codePointAt(0);
}

// https://url.spec.whatwg.org/#concept-urlencoded-parser
function parseUrlencoded(input) {
  const sequences = strictlySplitByteSequence(input, p("&"));
  const output = [];
  for (const bytes of sequences) {
    if (bytes.length === 0) {
      continue;
    }

let name, value;
    const indexOfEqual = bytes.indexOf(p("="));

if (indexOfEqual >= 0) {
      name = bytes.slice(0, indexOfEqual);
      value = bytes.slice(indexOfEqual + 1);
    } else {
      name = bytes;
      value = new Uint8Array(0);
    }

name = replaceByteInByteSequence(name, 0x2B, 0x20);
    value = replaceByteInByteSequence(value, 0x2B, 0x20);

const nameString = utf8DecodeWithoutBOM(percentDecodeBytes(name));
    const valueString = utf8DecodeWithoutBOM(percentDecodeBytes(value));

output.push([nameString, valueString]);
  }
  return output;
}

// https://url.spec.whatwg.org/#concept-urlencoded-string-parser
function parseUrlencodedString(input) {
  return parseUrlencoded(utf8Encode(input));
}

// https://url.spec.whatwg.org/#concept-urlencoded-serializer
function serializeUrlencoded(tuples, encodingOverride = undefined) {
  let encoding = "utf-8";
  if (encodingOverride !== undefined) {
    // TODO "get the output encoding", i.e. handle encoding labels vs. names.
    encoding = encodingOverride;
  }

let output = "";
  for (const [i, tuple] of tuples.entries()) {
    // TODO: handle encoding override

const name = utf8PercentEncodeString(tuple[0], isURLEncodedPercentEncode, true);

value = utf8PercentEncodeString(value, isURLEncodedPercentEncode, true);

if (i !== 0) {
      output += "&";
    }
    output += `${name}=${value}`;
  }
  return output;
}

function replaceByteInByteSequence(buf, from, to) {
  let i = buf.indexOf(from);
  while (i >= 0) {
    buf[i] = to;
    i = buf.indexOf(from, i + 1);
  }
  return buf;
}

module.exports = {
  parseUrlencodedString,
  serializeUrlencoded
};

Urban Research Lab

The Urban Research Lab (URL) at IIIT-Delhi was established in 2020, during a time when the pandemic brought the complexities of urban life more visible than ever. What started as an initiative by faculty and students has grown into a collaborative space for critically exploring and reimagining the urban questions through research, dialogue, and interdisciplinary engagement.

${this.title}

Code Editor : urlencoded.js

Urban Research Lab