source: trunk/lib/utility.cc @ 226

Last change on this file since 226 was 226, checked in by Peter Johansson, 15 years ago

added reading of config file in Parameter closes ##106 and #98. Move function check_target from svndigest.cc to utility.cc and changed name to node_exist. added support for aliases in Copyright update refs #36

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.3 KB
Line 
1// $Id: utility.cc 226 2007-03-11 19:32:41Z peter $
2
3/*
4  Copyright (C) 2006 Jari Häkkinen, Peter Johansson
5  Copyright (C) 2007 Peter Johansson
6
7  This file is part of svndigest, http://lev.thep.lu.se/trac/svndigest
8
9  svndigest is free software; you can redistribute it and/or modify it
10  under the terms of the GNU General Public License as published by
11  the Free Software Foundation; either version 2 of the License, or
12  (at your option) any later version.
13
14  svndigest is distributed in the hope that it will be useful, but
15  WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  General Public License for more details.
18
19  You should have received a copy of the GNU General Public License
20  along with this program; if not, write to the Free Software
21  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
22  02111-1307, USA.
23*/
24
25#include "utility.h"
26
27#include <cstdlib>
28#include <fstream>
29#include <sstream>
30#include <stdexcept>
31#include <string>
32#include <sys/param.h>
33#include <unistd.h>
34
35#include <iostream>
36
37namespace theplu{
38namespace svndigest{
39
40  int access_rights(const std::string& path, const std::string& bits)
41  {
42    if (access(path.c_str(),F_OK)) {
43      throw std::runtime_error(std::string("access_rights: ") + path +
44                               "' does not exist.");
45    }
46    int mode=0;
47    for (u_int i=0; i<bits.length(); ++i)
48      switch (bits[i]) {
49          case 'r':
50            mode|=R_OK;
51            break;
52          case 'w':
53            mode|=W_OK;
54            break;
55          case 'x':
56            mode|=X_OK;
57            break;
58      }
59    return access(path.c_str(),mode);
60  }
61
62
63  std::string file_name(const std::string& full_path)
64  {
65    std::stringstream ss(full_path);
66    std::string name;
67    while (getline(ss,name,'/')) {}
68    return name;
69  }
70
71
72  std::string getenv(const std::string& var)
73  {
74    char* buffer=std::getenv(var.c_str());
75    if (!buffer)
76      throw std::runtime_error("Environment variable "+var+" is not set");
77    return std::string(buffer);
78  }
79
80
81  std::string htrim(std::string str)
82  {
83    size_t length=str.size();
84    while(length && isspace(str[length-1]))
85      --length;
86    return str.substr(0,length);
87  }
88
89
90  std::string ltrim(std::string str)
91  {
92    size_t i = 0;
93    while(i<str.size() && isspace(str[i]))
94      ++i;
95    return str.substr(i);
96  }
97
98
99  bool node_exist(const std::string& path)
100  {
101    struct stat buf;
102    return !stat(path.c_str(),&buf);
103  }
104
105
106  std::string pwd(void)
107  {
108    char buffer[MAXPATHLEN];
109    if (!getcwd(buffer, MAXPATHLEN))
110      throw std::runtime_error("Failed to get current working directory");
111    return std::string(buffer);
112  }
113
114  time_t str2time(const std::string& str)
115  {
116    //  str in format 2006-09-09T10:55:52.132733Z
117    std::stringstream sstream(str);
118    time_t rawtime;
119    struct tm * timeinfo;
120    time ( &rawtime );
121    timeinfo =  gmtime ( &rawtime );
122
123    u_int year, month, day, hour, minute, second;
124    std::string tmp;
125    getline(sstream,tmp,'-');
126    year=atoi(tmp.c_str());
127    timeinfo->tm_year = year - 1900;
128
129    getline(sstream,tmp,'-');
130    month=atoi(tmp.c_str());
131    timeinfo->tm_mon = month - 1;
132
133    getline(sstream,tmp,'T');
134    day=atoi(tmp.c_str());
135    timeinfo->tm_mday = day;
136
137    getline(sstream,tmp,':');
138    hour=atoi(tmp.c_str());
139    timeinfo->tm_hour = hour;
140
141    getline(sstream,tmp,':');
142    minute=atoi(tmp.c_str());
143    timeinfo->tm_min = minute;
144
145    getline(sstream,tmp,'.');
146    second=atoi(tmp.c_str());
147    timeinfo->tm_sec = second;
148
149    return mktime(timeinfo);
150  }
151
152
153}} // end of namespace svndigest and namespace theplu
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