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Side by Side Diff: chrome/browser/chromeos/cros/network_parser.h

Issue 8804020: Set onc_source UI data parameter when importing ONC. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase. Created 9 years ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_CHROMEOS_CROS_NETWORK_PARSER_H_ 5 #ifndef CHROME_BROWSER_CHROMEOS_CROS_NETWORK_PARSER_H_
6 #define CHROME_BROWSER_CHROMEOS_CROS_NETWORK_PARSER_H_ 6 #define CHROME_BROWSER_CHROMEOS_CROS_NETWORK_PARSER_H_
7 #pragma once 7 #pragma once
8 8
9 #include <map>
9 #include <string> 10 #include <string>
10 #include <map>
11 11
12 #include "base/memory/scoped_ptr.h" 12 #include "base/memory/scoped_ptr.h"
13 #include "chrome/browser/chromeos/cros/enum_mapper.h"
13 #include "chrome/browser/chromeos/cros/network_library.h" 14 #include "chrome/browser/chromeos/cros/network_library.h"
14 15
15 namespace base { 16 namespace base {
16 class DictionaryValue; 17 class DictionaryValue;
17 class Value; 18 class Value;
18 } 19 }
19 20
20 namespace chromeos { 21 namespace chromeos {
21 22
22 class NetworkDevice; 23 class NetworkDevice;
23 24
24 // This turns an array of string-to-enum-value mappings into a class
25 // that can cache the mapping and do quick lookups using an actual map
26 // class. Usage is something like:
27 //
28 // const char kKey1[] = "key1";
29 // const char kKey2[] = "key2";
30 //
31 // enum EnumFoo {
32 // UNKNOWN = 0,
33 // FOO = 1,
34 // BAR = 2,
35 // };
36 //
37 // const EnumMapper<EnumFoo>::Pair index_table[] = {
38 // { kKey1, FOO },
39 // { kKey2, BAR },
40 // };
41 //
42 // EnumMapper<EnumFoo> mapper(index_table, arraysize(index_table), UNKNOWN);
43 // EnumFoo value = mapper.Get(kKey1); // Returns FOO.
44 // EnumFoo value = mapper.Get('boo'); // Returns UNKNOWN.
45 template <typename EnumType>
46 class EnumMapper {
47 public:
48 struct Pair {
49 const char* key;
50 const EnumType value;
51 };
52
53 EnumMapper(const Pair* list, size_t num_entries, EnumType unknown)
54 : unknown_value_(unknown) {
55 for (size_t i = 0; i < num_entries; ++i, ++list) {
56 enum_map_[list->key] = list->value;
57 inverse_enum_map_[list->value] = list->key;
58 }
59 }
60
61 EnumType Get(const std::string& type) const {
62 EnumMapConstIter iter = enum_map_.find(type);
63 if (iter != enum_map_.end())
64 return iter->second;
65 return unknown_value_;
66 }
67
68 std::string GetKey(EnumType type) const {
69 InverseEnumMapConstIter iter = inverse_enum_map_.find(type);
70 if (iter != inverse_enum_map_.end())
71 return iter->second;
72 return std::string();
73 }
74
75 private:
76 typedef typename std::map<std::string, EnumType> EnumMap;
77 typedef typename std::map<EnumType, std::string> InverseEnumMap;
78 typedef typename EnumMap::const_iterator EnumMapConstIter;
79 typedef typename InverseEnumMap::const_iterator InverseEnumMapConstIter;
80 EnumMap enum_map_;
81 InverseEnumMap inverse_enum_map_;
82 EnumType unknown_value_;
83 DISALLOW_COPY_AND_ASSIGN(EnumMapper);
84 };
85
86 // This takes a Value of a particular form, and maps the keys in the 25 // This takes a Value of a particular form, and maps the keys in the
87 // dictionary to a NetworkDevice object to initialize it properly. 26 // dictionary to a NetworkDevice object to initialize it properly.
88 // Subclasses of this can then customize its methods to parse either 27 // Subclasses of this can then customize its methods to parse either
89 // libcros (flimflam) data or network setup information obtained from 28 // libcros (flimflam) data or network setup information obtained from
90 // policy or setup file import depending on the EnumMapper supplied. 29 // policy or setup file import depending on the EnumMapper supplied.
91 class NetworkDeviceParser { 30 class NetworkDeviceParser {
92 public: 31 public:
93 virtual ~NetworkDeviceParser(); 32 virtual ~NetworkDeviceParser();
94 33
95 virtual NetworkDevice* CreateDeviceFromInfo( 34 virtual NetworkDevice* CreateDeviceFromInfo(
(...skipping 84 matching lines...) Expand 10 before | Expand all | Expand 10 after
180 } 119 }
181 120
182 private: 121 private:
183 const EnumMapper<PropertyIndex>* mapper_; 122 const EnumMapper<PropertyIndex>* mapper_;
184 DISALLOW_COPY_AND_ASSIGN(NetworkParser); 123 DISALLOW_COPY_AND_ASSIGN(NetworkParser);
185 }; 124 };
186 125
187 } // namespace chromeos 126 } // namespace chromeos
188 127
189 #endif // CHROME_BROWSER_CHROMEOS_CROS_NETWORK_PARSER_H_ 128 #endif // CHROME_BROWSER_CHROMEOS_CROS_NETWORK_PARSER_H_
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