third_party/WebKit/LayoutTests/http/tests/security/resources/libwrapjs.js

   1 // Library for wraping JavaScript code for different evaluation contexts.
   2
   3 var libwrapjs = {
   4   transform_each_character: function(str, transform) {
   5     var result = new Array();
   6     for (var i=0; i < str.length; ++i)
   7       result.push(transform(str.charAt(i)));
   8     return result.join('');
   9   },
  10
  11   escape_for_single_quote: function(str) {
  12     function transform(ch) {
  13       if (ch == "\\")
  14         return "\\\\";
  15       if (ch == "/")
  16         return "\\/";
  17       if (ch == "'")
  18         return "\\'";
  19       return ch;
  20     }
  21     return this.transform_each_character(str, transform);
  22   },
  23
  24   escape_for_html: function(str) {
  25     function transform(ch) {
  26       if (ch == "<")
  27         return "&lt;";
  28       if (ch == ">")
  29         return "&gt;";
  30       if (ch == "&")
  31         return "&amp;";
  32       if (ch == "\n")
  33         return "<br />"
  34       if (ch == "\"")
  35         return "&quot;";
  36       return ch;
  37     }
  38     return this.transform_each_character(str, transform);
  39   },
  40
  41   in_string: function(code) {
  42     return "'" + this.escape_for_single_quote(code) + "'";
  43   },
  44
  45   in_script_tag: function(code) {
  46     return "<script>" + code + "</scr" + "ipt>";
  47   },
  48
  49   in_document_write: function(code) {
  50     return "document.write(" + this.in_string(this.in_script_tag(code)) + ")";
  51   },
  52
  53   in_javascript_url: function(code) {
  54     return this.in_string("javascript:void(" + code + ")");
  55   },
  56
  57   in_javascript_document: function(code) {
  58     return this.in_string("javascript:" +
  59                this.in_string(this.in_script_tag(code)));
  60   }
  61 };
  62