source: trunk/lib/utility.cc @ 297

Last change on this file since 297 was 297, checked in by Peter Johansson, 14 years ago

added some empty index.html fixes #171

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 3.9 KB
Line 
1// $Id: utility.cc 297 2007-05-08 20:07:38Z 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  bool is_int(std::string s)
91  {
92    std::stringstream ss(s);
93    int a;
94    ss >> a;
95    if(ss.fail()) 
96      return false;
97    // Check that nothing is left on stream
98    std::string b;
99    ss >> b;
100    return b.empty();
101  }
102
103
104  std::string ltrim(std::string str)
105  {
106    size_t i = 0;
107    while(i<str.size() && isspace(str[i]))
108      ++i;
109    return str.substr(i);
110  }
111
112
113  bool node_exist(const std::string& path)
114  {
115    struct stat buf;
116    return !stat(path.c_str(),&buf);
117  }
118
119
120  std::string pwd(void)
121  {
122    char buffer[MAXPATHLEN];
123    if (!getcwd(buffer, MAXPATHLEN))
124      throw std::runtime_error("Failed to get current working directory");
125    return std::string(buffer);
126  }
127
128
129  void touch(std::string str)
130  {
131    if (!node_exist(str)) {
132      std::ofstream os(str.c_str());
133      os.close();
134    }
135  }
136
137  time_t str2time(const std::string& str)
138  {
139    //  str in format 2006-09-09T10:55:52.132733Z
140    std::stringstream sstream(str);
141    time_t rawtime;
142    struct tm * timeinfo;
143    time ( &rawtime );
144    timeinfo =  gmtime ( &rawtime );
145
146    u_int year, month, day, hour, minute, second;
147    std::string tmp;
148    getline(sstream,tmp,'-');
149    year=atoi(tmp.c_str());
150    timeinfo->tm_year = year - 1900;
151
152    getline(sstream,tmp,'-');
153    month=atoi(tmp.c_str());
154    timeinfo->tm_mon = month - 1;
155
156    getline(sstream,tmp,'T');
157    day=atoi(tmp.c_str());
158    timeinfo->tm_mday = day;
159
160    getline(sstream,tmp,':');
161    hour=atoi(tmp.c_str());
162    timeinfo->tm_hour = hour;
163
164    getline(sstream,tmp,':');
165    minute=atoi(tmp.c_str());
166    timeinfo->tm_min = minute;
167
168    getline(sstream,tmp,'.');
169    second=atoi(tmp.c_str());
170    timeinfo->tm_sec = second;
171
172    return mktime(timeinfo);
173  }
174
175
176  notChar::notChar(char c)
177    : char_(c)
178  {}
179
180
181  not2Char::not2Char(char c1, char c2)
182    : char1_(c1), char2_(c2)
183  {}
184   
185
186  Str::Str(std::string s)
187    : str_(s)
188  {}
189
190
191  not2Str::not2Str(std::string s1, std::string s2)
192    : str1_(s1), str2_(s2)
193  {}
194   
195
196}} // end of namespace svndigest and namespace theplu
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