1 files changed, 160 insertions, 0 deletions
diff --git a/devtools/client/shared/components/reps/rep-utils.js b/devtools/client/shared/components/reps/rep-utils.js
new file mode 100644
index 000000000..d9580ac8d
--- /dev/null
+++ b/devtools/client/shared/components/reps/rep-utils.js
@@ -0,0 +1,160 @@
+/* globals URLSearchParams */
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+"use strict";
+
+// Make this available to both AMD and CJS environments
+define(function (require, exports, module) {
+  // Dependencies
+  const React = require("devtools/client/shared/vendor/react");
+
+  /**
+   * Create React factories for given arguments.
+   * Example:
+   *   const { Rep } = createFactories(require("./rep"));
+   */
+  function createFactories(args) {
+    let result = {};
+    for (let p in args) {
+      result[p] = React.createFactory(args[p]);
+    }
+    return result;
+  }
+
+  /**
+   * Returns true if the given object is a grip (see RDP protocol)
+   */
+  function isGrip(object) {
+    return object && object.actor;
+  }
+
+  function escapeNewLines(value) {
+    return value.replace(/\r/gm, "\\r").replace(/\n/gm, "\\n");
+  }
+
+  function cropMultipleLines(text, limit) {
+    return escapeNewLines(cropString(text, limit));
+  }
+
+  function cropString(text, limit, alternativeText) {
+    if (!alternativeText) {
+      alternativeText = "\u2026";
+    }
+
+    // Make sure it's a string and sanitize it.
+    text = sanitizeString(text + "");
+
+    // Crop the string only if a limit is actually specified.
+    if (!limit || limit <= 0) {
+      return text;
+    }
+
+    // Set the limit at least to the length of the alternative text
+    // plus one character of the original text.
+    if (limit <= alternativeText.length) {
+      limit = alternativeText.length + 1;
+    }
+
+    let halfLimit = (limit - alternativeText.length) / 2;
+
+    if (text.length > limit) {
+      return text.substr(0, Math.ceil(halfLimit)) + alternativeText +
+        text.substr(text.length - Math.floor(halfLimit));
+    }
+
+    return text;
+  }
+
+  function sanitizeString(text) {
+    // Replace all non-printable characters, except of
+    // (horizontal) tab (HT: \x09) and newline (LF: \x0A, CR: \x0D),
+    // with unicode replacement character (u+fffd).
+    // eslint-disable-next-line no-control-regex
+    let re = new RegExp("[\x00-\x08\x0B\x0C\x0E-\x1F\x80-\x9F]", "g");
+    return text.replace(re, "\ufffd");
+  }
+
+  function parseURLParams(url) {
+    url = new URL(url);
+    return parseURLEncodedText(url.searchParams);
+  }
+
+  function parseURLEncodedText(text) {
+    let params = [];
+
+    // In case the text is empty just return the empty parameters
+    if (text == "") {
+      return params;
+    }
+
+    let searchParams = new URLSearchParams(text);
+    let entries = [...searchParams.entries()];
+    return entries.map(entry => {
+      return {
+        name: entry[0],
+        value: entry[1]
+      };
+    });
+  }
+
+  function getFileName(url) {
+    let split = splitURLBase(url);
+    return split.name;
+  }
+
+  function splitURLBase(url) {
+    if (!isDataURL(url)) {
+      return splitURLTrue(url);
+    }
+    return {};
+  }
+
+  function getURLDisplayString(url) {
+    return cropString(url);
+  }
+
+  function isDataURL(url) {
+    return (url && url.substr(0, 5) == "data:");
+  }
+
+  function splitURLTrue(url) {
+    const reSplitFile = /(.*?):\/{2,3}([^\/]*)(.*?)([^\/]*?)($|\?.*)/;
+    let m = reSplitFile.exec(url);
+
+    if (!m) {
+      return {
+        name: url,
+        path: url
+      };
+    } else if (m[4] == "" && m[5] == "") {
+      return {
+        protocol: m[1],
+        domain: m[2],
+        path: m[3],
+        name: m[3] != "/" ? m[3] : m[2]
+      };
+    }
+
+    return {
+      protocol: m[1],
+      domain: m[2],
+      path: m[2] + m[3],
+      name: m[4] + m[5]
+    };
+  }
+
+  // Exports from this module
+  exports.createFactories = createFactories;
+  exports.isGrip = isGrip;
+  exports.cropString = cropString;
+  exports.cropMultipleLines = cropMultipleLines;
+  exports.parseURLParams = parseURLParams;
+  exports.parseURLEncodedText = parseURLEncodedText;
+  exports.getFileName = getFileName;
+  exports.getURLDisplayString = getURLDisplayString;
+  exports.sanitizeString = sanitizeString;
+});