mojo/shell/fetcher.cc

   1 // Copyright 2015 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 "mojo/shell/fetcher.h"
   6
   7 #include "url/gurl.h"
   8
   9 namespace mojo {
  10 namespace shell {
  11
  12 const char Fetcher::kMojoMagic[] = "#!mojo ";
  13 const size_t Fetcher::kMaxShebangLength = 2048;
  14
  15 Fetcher::Fetcher(const FetchCallback& loader_callback)
  16     : loader_callback_(loader_callback) {
  17 }
  18
  19 Fetcher::~Fetcher() {
  20 }
  21
  22 bool Fetcher::PeekContentHandler(std::string* mojo_shebang,
  23                                  GURL* mojo_content_handler_url) {
  24   // TODO(aa): I guess this should just go in ApplicationManager now.
  25   std::string shebang;
  26   if (HasMojoMagic() && PeekFirstLine(&shebang)) {
  27     GURL url(shebang.substr(arraysize(kMojoMagic) - 1, std::string::npos));
  28     if (url.is_valid()) {
  29       *mojo_shebang = shebang;
  30       *mojo_content_handler_url = url;
  31       return true;
  32     }
  33   }
  34   return false;
  35 }
  36
  37 }  // namespace shell
  38 }  // namespace mojo