source: trunk/lib/utility.cc @ 313

Last change on this file since 313 was 313, checked in by Peter Johansson, 14 years ago

precentage in tables, fixes #194

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 4.2 KB
Line 
1// $Id: utility.cc 313 2007-05-17 11:40:44Z 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  int percent(int a, int b)
114  {
115    if (b)
116      return (100*a)/b;
117    return 0;
118  }
119
120
121  bool node_exist(const std::string& path)
122  {
123    struct stat buf;
124    return !stat(path.c_str(),&buf);
125  }
126
127
128  std::string pwd(void)
129  {
130    char buffer[MAXPATHLEN];
131    if (!getcwd(buffer, MAXPATHLEN))
132      throw std::runtime_error("Failed to get current working directory");
133    return std::string(buffer);
134  }
135
136
137  void touch(std::string str)
138  {
139    if (!node_exist(str)) {
140      std::ofstream os(str.c_str());
141      os.close();
142    }
143  }
144
145  time_t str2time(const std::string& str)
146  {
147    //  str in format 2006-09-09T10:55:52.132733Z
148    std::stringstream sstream(str);
149    time_t rawtime;
150    struct tm * timeinfo;
151    time ( &rawtime );
152    timeinfo =  gmtime ( &rawtime );
153
154    u_int year, month, day, hour, minute, second;
155    std::string tmp;
156    getline(sstream,tmp,'-');
157    year=atoi(tmp.c_str());
158    timeinfo->tm_year = year - 1900;
159
160    getline(sstream,tmp,'-');
161    month=atoi(tmp.c_str());
162    timeinfo->tm_mon = month - 1;
163
164    getline(sstream,tmp,'T');
165    day=atoi(tmp.c_str());
166    timeinfo->tm_mday = day;
167
168    getline(sstream,tmp,':');
169    hour=atoi(tmp.c_str());
170    timeinfo->tm_hour = hour;
171
172    getline(sstream,tmp,':');
173    minute=atoi(tmp.c_str());
174    timeinfo->tm_min = minute;
175
176    getline(sstream,tmp,'.');
177    second=atoi(tmp.c_str());
178    timeinfo->tm_sec = second;
179
180    return mktime(timeinfo);
181  }
182
183
184  std::string match(std::string::const_iterator& first,
185                    const std::string::const_iterator& last,
186                    std::string str)
187  {
188    if (match_begin(first, last, str)){
189      first+=str.size();
190      return str;
191    }
192    return std::string();
193  }
194
195  notChar::notChar(char c)
196    : char_(c)
197  {}
198
199
200  not2Char::not2Char(char c1, char c2)
201    : char1_(c1), char2_(c2)
202  {}
203   
204
205  not2Str::not2Str(std::string s1, std::string s2)
206    : str1_(s1), str2_(s2)
207  {}
208   
209}} // end of namespace svndigest and namespace theplu
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