source: branches/0.6-stable/lib/Configuration.cc @ 451

Last change on this file since 451 was 430, checked in by Peter Johansson, 14 years ago

changing lev.thep.lu.se to trac.thep.lu.se

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 4.3 KB
Line 
1// $Id: Configuration.cc 430 2007-07-06 23:33:11Z peter $
2
3/*
4  Copyright (C) 2007 Peter Johansson
5
6  This file is part of svndigest, http://trac.thep.lu.se/trac/svndigest
7
8  svndigest is free software; you can redistribute it and/or modify it
9  under the terms of the GNU General Public License as published by
10  the Free Software Foundation; either version 2 of the License, or
11  (at your option) any later version.
12
13  svndigest is distributed in the hope that it will be useful, but
14  WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#include "Configuration.h"
25
26#include "utility.h"
27
28#include <cassert>
29#include <fstream>
30#include <map>
31#include <string>
32#include <sstream>
33#include <stdexcept>
34#include <utility>
35
36namespace theplu{
37namespace svndigest{
38
39  Configuration* Configuration::instance_=NULL;
40
41
42  Configuration::Configuration(void)
43  {
44  }
45
46
47  const std::map<std::string,Alias>& Configuration::copyright_alias(void) const
48  {
49    return copyright_alias_;
50  }
51
52
53  void Configuration::load(void)
54  {
55    set_default();
56  }
57
58
59  void Configuration::load(std::istream& is)
60  {
61    assert(is.good());
62    set_default();
63
64    std::string line;
65    std::string section;
66    std::string tmp;
67    while (getline(is, line)) {
68      line = ltrim(line);
69      if (line.empty() || line[0]=='#')
70        continue;
71      std::stringstream ss(line);
72      if (line[0] == '[') {
73        getline(ss, tmp, '[');
74        getline(ss, section, ']');
75      }
76      else if (section == "copyright-alias"){
77        getline(ss, tmp, '=');
78        std::string key = trim(tmp);
79        getline(ss, tmp);
80        std::string name = trim(tmp);
81        std::map<std::string,Alias>::iterator iter = 
82          copyright_alias_.lower_bound(key);
83        if (iter!=copyright_alias_.end() && iter->first==key){
84          std::stringstream mess;
85          mess << "svndigest: invalid config file: "
86               << "in copright-alias section " << key + " defined twice.";
87          throw std::runtime_error(mess.str());
88        }
89       
90        // insert alias
91        copyright_alias_.insert(iter,std::make_pair(key, Alias(name,copyright_alias_.size())));
92      }
93      else if (section == "trac"){
94        getline(ss, tmp, '=');
95        std::string key = trim(tmp);
96        getline(ss, tmp);
97        std::string value = trim(tmp);
98        if (key=="trac-root")
99          trac_root_=value;
100        else {
101          std::stringstream mess;
102          mess << "svndigest: invalid config file: "
103               << "in trac section" << key + " is invalid option.";
104          throw std::runtime_error(mess.str());
105        }
106      }
107    }
108  }
109
110
111  Configuration& Configuration::instance(void)
112  {
113    if (!instance_)
114      instance_ = new Configuration;
115    return *instance_;
116  }
117
118
119  void Configuration::set_default(void)
120  {
121    copyright_alias_.clear();
122    trac_root_ = "";
123  }
124
125
126  std::string Configuration::trac_root(void) const
127  {
128    return trac_root_;
129  }
130
131
132  std::ostream& operator<<(std::ostream& os, const Configuration& conf)
133  {
134    os << "### This file configures various behaviors for svndigest\n"
135       << "### The commented-out below are intended to demonstrate how to use\n" 
136       << "### this file.\n"
137       << "\n"
138       << "### Section for setting aliases used in copyright update\n"
139       << "[copyright-alias]\n"
140       << "# jdoe = John Doe\n";
141
142    typedef std::vector<std::pair<std::string, Alias> > vector;
143    vector vec;
144    std::back_insert_iterator<vector> back_insert_iterator(vec);
145    vec.reserve(conf.copyright_alias().size());
146    std::copy(conf.copyright_alias().begin(), conf.copyright_alias().end(),
147              back_insert_iterator);
148    // sort with respect to Alias.id
149    IdCompare id;
150    PairSecondCompare<const std::string, Alias, IdCompare> comp(id);
151    std::sort(vec.begin(),vec.end(), comp);
152             
153
154    for (vector::const_iterator i(vec.begin()); i!=vec.end(); ++i) {
155      os << i->first << " = " << i->second.name() << " \n";
156    }
157
158    os << "\n"
159       << "### Section for setting trac environment\n"
160       << "[trac]\n"
161       << "# If trac-root is set, svndigest will create anchors to "
162       << "the Trac page.\n"
163       << "# trac-root = http://trac.thep.lu.se/trac/svndigest/\n";
164    if (!conf.trac_root().empty())
165      os << "trac-root = " << conf.trac_root() << "\n";
166
167    return os;
168  }
169
170
171}} // end of namespace svndigest and namespace theplu
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