chrome/common/ini_parser.cc

   1 // Copyright 2014 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 "chrome/common/ini_parser.h"
   6
   7 #include "base/logging.h"
   8 #include "base/strings/string_tokenizer.h"
   9
  10 INIParser::INIParser() : used_(false) {}
  11
  12 INIParser::~INIParser() {}
  13
  14 void INIParser::Parse(const std::string& content) {
  15   DCHECK(!used_);
  16   used_ = true;
  17   base::StringTokenizer tokenizer(content, "\r\n");
  18
  19   std::string current_section;
  20   while (tokenizer.GetNext()) {
  21     std::string line = tokenizer.token();
  22     if (line.empty()) {
  23       // Skips the empty line.
  24       continue;
  25     }
  26     if (line[0] == '#' || line[0] == ';') {
  27       // This line is a comment.
  28       continue;
  29     }
  30     if (line[0] == '[') {
  31       // It is a section header.
  32       current_section = line.substr(1);
  33       size_t end = current_section.rfind(']');
  34       if (end != std::string::npos)
  35         current_section.erase(end);
  36     } else {
  37       std::string key, value;
  38       size_t equal = line.find('=');
  39       if (equal != std::string::npos) {
  40         key = line.substr(0, equal);
  41         value = line.substr(equal + 1);
  42         HandleTriplet(current_section, key, value);
  43       }
  44     }
  45   }
  46 }
  47
  48 DictionaryValueINIParser::DictionaryValueINIParser() {}
  49
  50 DictionaryValueINIParser::~DictionaryValueINIParser() {}
  51
  52 void DictionaryValueINIParser::HandleTriplet(const std::string& section,
  53                                              const std::string& key,
  54                                              const std::string& value) {
  55
  56   // Checks whether the section and key contain a '.' character.
  57   // Those sections and keys break DictionaryValue's path format when not
  58   // using the *WithoutPathExpansion methods.
  59   if (section.find('.') == std::string::npos &&
  60       key.find('.') == std::string::npos)
  61     root_.SetString(section + "." + key, value);
  62 }