components/url_matcher/url_matcher_helpers.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/url_matcher/url_matcher_helpers.h"
   6
   7 #include "base/values.h"
   8
   9 namespace url_matcher {
  10 namespace url_matcher_helpers {
  11
  12 // Converts a ValueList |value| of strings into a vector. Returns true if
  13 // successful.
  14 bool GetAsStringVector(const base::Value* value,
  15                        std::vector<std::string>* out) {
  16   const base::ListValue* value_as_list = 0;
  17   if (!value->GetAsList(&value_as_list))
  18     return false;
  19
  20   size_t number_types = value_as_list->GetSize();
  21   for (size_t i = 0; i < number_types; ++i) {
  22     std::string item;
  23     if (!value_as_list->GetString(i, &item))
  24       return false;
  25     out->push_back(item);
  26   }
  27   return true;
  28 }
  29
  30 }  // namespace url_matcher_helpers
  31 }  // namespace url_matcher