toolkit/crashreporter/KeyValueParser.jsm
author autofoolip <auto@foolip.org>
Tue, 05 Mar 2019 12:16:52 +0000
changeset 464229 e8fd59f2739a174418de65e6727b88526ad175ed
parent 434203 d7fcfbc15cfe5e33cce5a12ff009e9b6aec07811
child 481424 7f9969319147bff459f4c97bcb85fc2637189805
permissions -rw-r--r--
Bug 1528746 [wpt PR 15406] - Update interfaces/html.idl, a=testonly Automatic update from web-platform-tests Update interfaces/html.idl (#15406) Source: https://github.com/tidoust/reffy-reports/blob/42ed719/whatwg/idl/html.idl Build: https://travis-ci.org/tidoust/reffy-reports/builds/493621065 -- wpt-commits: f026ed3dce8578662f907d37234a9a600c5ad517 wpt-pr: 15406

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

ChromeUtils.defineModuleGetter(this, "OS",
                               "resource://gre/modules/osfile.jsm");

var EXPORTED_SYMBOLS = [
  "parseKeyValuePairsFromLines",
  "parseKeyValuePairs",
  "parseKeyValuePairsFromFile",
  "parseKeyValuePairsFromFileAsync",
];

var parseKeyValuePairsFromLines = function(lines) {
  let data = {};
  for (let line of lines) {
    if (line == "")
      continue;

    // can't just .split() because the value might contain = characters
    let eq = line.indexOf("=");
    if (eq != -1) {
      let [key, value] = [line.substring(0, eq),
                          line.substring(eq + 1)];
      if (key && value)
        data[key] = value.replace(/\\n/g, "\n").replace(/\\\\/g, "\\");
    }
  }
  return data;
};

function parseKeyValuePairs(text) {
  let lines = text.split("\n");
  return parseKeyValuePairsFromLines(lines);
}

// some test setup still uses this sync version
function parseKeyValuePairsFromFile(file) {
  let fstream = Cc["@mozilla.org/network/file-input-stream;1"].
                createInstance(Ci.nsIFileInputStream);
  fstream.init(file, -1, 0, 0);
  let is = Cc["@mozilla.org/intl/converter-input-stream;1"].
           createInstance(Ci.nsIConverterInputStream);
  is.init(fstream, "UTF-8", 1024, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
  let str = {};
  let contents = "";
  while (is.readString(4096, str) != 0) {
    contents += str.value;
  }
  is.close();
  fstream.close();
  return parseKeyValuePairs(contents);
}

async function parseKeyValuePairsFromFileAsync(file) {
  let contents = await OS.File.read(file, { encoding: "utf-8" });
  return parseKeyValuePairs(contents);
}