1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
#define CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
#include <map>
#include <string>
#include "base/basictypes.h"
#include "chromeos/chromeos_export.h"
namespace base {
class FilePath;
}
namespace chromeos {
namespace system {
// The parser is used to get machine info as name-value pairs. Defined
// here to be accessible by tests.
class CHROMEOS_EXPORT NameValuePairsParser {
public:
typedef std::map<std::string, std::string> NameValueMap;
// The obtained info will be written into the given map.
explicit NameValuePairsParser(NameValueMap* map);
void AddNameValuePair(const std::string& key, const std::string& value);
// Executes tool and inserts (key, <output>) into map_.
// The program name (argv[0]) should be an absolute path. The function
// checks if the program exists before executing it as some programs
// don't exist on Linux desktop; returns false in that case.
bool GetSingleValueFromTool(int argc, const char* argv[],
const std::string& key);
// Parses name-value pairs from the file.
// Returns false if there was any error in the file. Valid pairs will still be
// added to the map.
bool GetNameValuePairsFromFile(const base::FilePath& file_path,
const std::string& eq,
const std::string& delim);
// These will parse strings with output in the format:
// <key><EQ><value><DELIM>[<key><EQ><value>][...]
// e.g. ParseNameValuePairs("key1=value1 key2=value2", "=", " ")
// Returns false if there was any error in in_string. Valid pairs will still
// be added to the map.
bool ParseNameValuePairs(const std::string& in_string,
const std::string& eq,
const std::string& delim);
// This version allows for values which end with a comment
// beginning with comment_delim.
// e.g. "key2=value2 # Explanation of value\n"
// Returns false if there was any error in in_string. Valid pairs will still
// be added to the map.
bool ParseNameValuePairsWithComments(const std::string& in_string,
const std::string& eq,
const std::string& delim,
const std::string& comment_delim);
// Same as ParseNameValuePairsWithComments(), but uses the output of the given
// tool as the input to parse.
bool ParseNameValuePairsFromTool(
int argc,
const char* argv[],
const std::string& eq,
const std::string& delim,
const std::string& comment_delim);
private:
NameValueMap* map_;
DISALLOW_COPY_AND_ASSIGN(NameValuePairsParser);
};
} // namespace system
} // namespace chromeos
#endif // CHROMEOS_SYSTEM_NAME_VALUE_PAIRS_PARSER_H_
|
