inifile.hh revision 2 
1/*
2 * Copyright (c) 2003 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef __INIFILE_HH__
30#define __INIFILE_HH__
31
32#include <fstream>
33#include <list>
34#include <string>
35#include <vector>
36
37#include "hashmap.hh"
38
39class IniFile
40{
41  protected:
42    class Entry
43    {
44        std::string	value;
45        mutable bool	referenced;
46
47      public:
48        Entry(const std::string &v)
49            : value(v), referenced(false)
50        {
51        }
52
53        bool isReferenced() { return referenced; }
54
55        const std::string &getValue() const;
56
57        void setValue(const std::string &v) { value = v; }
58    };
59
60    class Section
61    {
62        typedef m5::hash_map<std::string, Entry *> EntryTable;
63
64        EntryTable	table;
65        mutable bool	referenced;
66
67      public:
68        Section()
69            : table(), referenced(false)
70        {
71        }
72
73        bool isReferenced() { return referenced; }
74
75        void addEntry(const std::string &entryName, const std::string &value);
76        Entry *findEntry(const std::string &entryName) const;
77
78        bool printUnreferenced(const std::string &sectionName);
79        void dump(const std::string &sectionName);
80    };
81
82    typedef m5::hash_map<std::string, Section *> ConfigTable;
83
84  protected:
85    ConfigTable table;
86
87    Section *addSection(const std::string &sectionName);
88    Section *findSection(const std::string &sectionName) const;
89
90    bool load(std::istream &f);
91
92  public:
93    IniFile();
94    ~IniFile();
95
96    bool loadCPP(const std::string &file, std::vector<char *> &cppFlags);
97    bool load(const std::string &file);
98
99    bool add(const std::string &s);
100
101    bool find(const std::string &section, const std::string &entry,
102              std::string &value) const;
103    bool findDefault(const std::string &section, const std::string &entry,
104                     std::string &value) const;
105
106    bool printUnreferenced();
107
108    void dump();
109};
110
111#endif // __INIFILE_HH__
112