Reverts third_party/protobuf: Update to HEAD (f52e188fe4)

third_party/protobuf/src/google/protobuf/compiler/js/embed.cc

-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <cassert>
-#include <cstdlib>
-#include <fstream>
-#include <iostream>
-#include <string>
-
-const char output_file[] = "well_known_types_embed.cc";
-
-static bool AsciiIsPrint(unsigned char c) {
-  return c >= 32 && c < 127;
-}
-
-static char ToDecimalDigit(int num) {
-  assert(num < 10);
-  return '0' + num;
-}
-
-static std::string CEscape(const std::string& str) {
-  std::string dest;
-
-  for (int i = 0; i < str.size(); ++i) {
-    unsigned char ch = str[i];
-    switch (ch) {
-      case '\n': dest += "\\n"; break;
-      case '\r': dest += "\\r"; break;
-      case '\t': dest += "\\t"; break;
-      case '\"': dest += "\\\""; break;
-      case '\\': dest += "\\\\"; break;
-      default:
-        if (AsciiIsPrint(ch)) {
-          dest += ch;
-        } else {
-          dest += "\\";
-          dest += ToDecimalDigit(ch / 64);
-          dest += ToDecimalDigit((ch % 64) / 8);
-          dest += ToDecimalDigit(ch % 8);
-        }
-        break;
-    }
-  }
-
-  return dest;
-}
-
-static void AddFile(const char* name, std::basic_ostream<char>* out) {
-  std::ifstream in(name);
-
-  if (!in.is_open()) {
-    std::cerr << "Couldn't open input file: " << name << "\n";
-    std::exit(EXIT_FAILURE);
-  }
-
-  // Make canonical name only include the final element.
-  for (const char *p = name; *p; p++) {
-    if (*p == '/') {
-      name = p + 1;
-    }
-  }
-
-  *out << "{\"" << CEscape(name) << "\",\n";
-
-  for (std::string line; std::getline(in, line); ) {
-    *out << "  \"" << CEscape(line) << "\\n\"\n";
-  }
-
-  *out << "},\n";
-}
-
-int main(int argc, char *argv[]) {
-  std::cout << "#include "
-               "<google/protobuf/compiler/js/well_known_types_embed.h>\n";
-  std::cout << "struct FileToc well_known_types_js[] = {\n";
-
-  for (int i = 1; i < argc; i++) {
-    AddFile(argv[i], &std::cout);
-  }
-
-  std::cout << "  {NULL, NULL}  // Terminate the list.\n";
-  std::cout << "};\n";
-
-  return EXIT_SUCCESS;
-}