[62] | 1 | // $Id: utility.cc 456 2007-08-21 07:56:06Z jari $ |
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| 2 | |
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[84] | 3 | /* |
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| 4 | Copyright (C) 2006 Jari Häkkinen, Peter Johansson |
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[226] | 5 | Copyright (C) 2007 Peter Johansson |
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[84] | 6 | |
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[430] | 7 | This file is part of svndigest, http://trac.thep.lu.se/trac/svndigest |
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[84] | 8 | |
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[149] | 9 | svndigest is free software; you can redistribute it and/or modify it |
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[84] | 10 | under the terms of the GNU General Public License as published by |
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| 11 | the Free Software Foundation; either version 2 of the License, or |
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| 12 | (at your option) any later version. |
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| 13 | |
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[149] | 14 | svndigest is distributed in the hope that it will be useful, but |
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[84] | 15 | WITHOUT ANY WARRANTY; without even the implied warranty of |
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[149] | 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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[84] | 17 | General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU General Public License |
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| 20 | along with this program; if not, write to the Free Software |
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| 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
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| 22 | 02111-1307, USA. |
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| 23 | */ |
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| 24 | |
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[62] | 25 | #include "utility.h" |
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| 26 | |
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[198] | 27 | #include <cstdlib> |
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[62] | 28 | #include <fstream> |
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| 29 | #include <sstream> |
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[151] | 30 | #include <stdexcept> |
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[62] | 31 | #include <string> |
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[115] | 32 | #include <sys/param.h> |
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| 33 | #include <unistd.h> |
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[62] | 34 | |
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[201] | 35 | #include <iostream> |
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| 36 | |
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[62] | 37 | namespace theplu{ |
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[149] | 38 | namespace svndigest{ |
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[62] | 39 | |
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[151] | 40 | int access_rights(const std::string& path, const std::string& bits) |
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| 41 | { |
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[163] | 42 | if (access(path.c_str(),F_OK)) { |
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[151] | 43 | throw std::runtime_error(std::string("access_rights: ") + path + |
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| 44 | "' does not exist."); |
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| 45 | } |
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| 46 | int mode=0; |
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[173] | 47 | for (u_int i=0; i<bits.length(); ++i) |
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[151] | 48 | switch (bits[i]) { |
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| 49 | case 'r': |
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| 50 | mode|=R_OK; |
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| 51 | break; |
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| 52 | case 'w': |
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| 53 | mode|=W_OK; |
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| 54 | break; |
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| 55 | case 'x': |
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| 56 | mode|=X_OK; |
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| 57 | break; |
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| 58 | } |
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| 59 | return access(path.c_str(),mode); |
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| 60 | } |
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| 61 | |
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| 62 | |
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[456] | 63 | void copy_file(const std::string& source, const std::string& target) |
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| 64 | { |
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| 65 | std::ofstream o(target.c_str()); |
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| 66 | std::ifstream i(source.c_str()); |
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| 67 | while (i.good()) { |
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| 68 | char ch=i.get(); |
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| 69 | if (i.good()) |
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| 70 | o.put(ch); |
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| 71 | if (!o.good()) |
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| 72 | throw std::runtime_error(std::string("copy_file: ") + |
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| 73 | "writing target file failed '" + target + "'"); |
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| 74 | } |
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| 75 | if (!i.eof() && (i.bad() || i.fail())) // fail on everything except eof |
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| 76 | throw std::runtime_error(std::string("copy_file: ") + |
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| 77 | "error reading source file '" + source + "'"); |
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| 78 | i.close(); o.close(); |
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| 79 | } |
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| 80 | |
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| 81 | |
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[100] | 82 | std::string file_name(const std::string& full_path) |
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| 83 | { |
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| 84 | std::stringstream ss(full_path); |
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| 85 | std::string name; |
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| 86 | while (getline(ss,name,'/')) {} |
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| 87 | return name; |
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| 88 | } |
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| 89 | |
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[151] | 90 | |
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[198] | 91 | std::string getenv(const std::string& var) |
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| 92 | { |
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| 93 | char* buffer=std::getenv(var.c_str()); |
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| 94 | if (!buffer) |
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| 95 | throw std::runtime_error("Environment variable "+var+" is not set"); |
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| 96 | return std::string(buffer); |
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| 97 | } |
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| 98 | |
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| 99 | |
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[373] | 100 | std::string hex(int x, u_int width) |
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| 101 | { |
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| 102 | std::stringstream ss; |
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| 103 | ss << std::hex << x; |
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| 104 | if (!width) |
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| 105 | return ss.str(); |
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| 106 | if (ss.str().size()<width) |
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| 107 | return std::string(width-ss.str().size(), '0') + ss.str(); |
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| 108 | return ss.str().substr(0, width); |
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| 109 | } |
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| 110 | |
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| 111 | |
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[226] | 112 | std::string htrim(std::string str) |
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| 113 | { |
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| 114 | size_t length=str.size(); |
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| 115 | while(length && isspace(str[length-1])) |
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| 116 | --length; |
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| 117 | return str.substr(0,length); |
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| 118 | } |
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| 119 | |
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| 120 | |
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[274] | 121 | bool is_int(std::string s) |
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| 122 | { |
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| 123 | std::stringstream ss(s); |
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| 124 | int a; |
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| 125 | ss >> a; |
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| 126 | if(ss.fail()) |
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| 127 | return false; |
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| 128 | // Check that nothing is left on stream |
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| 129 | std::string b; |
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| 130 | ss >> b; |
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| 131 | return b.empty(); |
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| 132 | } |
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| 133 | |
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| 134 | |
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[226] | 135 | std::string ltrim(std::string str) |
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| 136 | { |
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| 137 | size_t i = 0; |
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| 138 | while(i<str.size() && isspace(str[i])) |
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| 139 | ++i; |
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| 140 | return str.substr(i); |
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| 141 | } |
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| 142 | |
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| 143 | |
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[313] | 144 | int percent(int a, int b) |
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| 145 | { |
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| 146 | if (b) |
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| 147 | return (100*a)/b; |
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| 148 | return 0; |
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| 149 | } |
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| 150 | |
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| 151 | |
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[226] | 152 | bool node_exist(const std::string& path) |
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| 153 | { |
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| 154 | struct stat buf; |
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| 155 | return !stat(path.c_str(),&buf); |
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| 156 | } |
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| 157 | |
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| 158 | |
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[115] | 159 | std::string pwd(void) |
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| 160 | { |
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| 161 | char buffer[MAXPATHLEN]; |
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[151] | 162 | if (!getcwd(buffer, MAXPATHLEN)) |
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| 163 | throw std::runtime_error("Failed to get current working directory"); |
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[115] | 164 | return std::string(buffer); |
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| 165 | } |
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| 166 | |
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[297] | 167 | |
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| 168 | void touch(std::string str) |
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| 169 | { |
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| 170 | if (!node_exist(str)) { |
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| 171 | std::ofstream os(str.c_str()); |
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| 172 | os.close(); |
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| 173 | } |
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| 174 | } |
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| 175 | |
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[201] | 176 | time_t str2time(const std::string& str) |
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| 177 | { |
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| 178 | // str in format 2006-09-09T10:55:52.132733Z |
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| 179 | std::stringstream sstream(str); |
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| 180 | time_t rawtime; |
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| 181 | struct tm * timeinfo; |
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| 182 | time ( &rawtime ); |
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| 183 | timeinfo = gmtime ( &rawtime ); |
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| 184 | |
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| 185 | u_int year, month, day, hour, minute, second; |
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| 186 | std::string tmp; |
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| 187 | getline(sstream,tmp,'-'); |
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| 188 | year=atoi(tmp.c_str()); |
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| 189 | timeinfo->tm_year = year - 1900; |
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| 190 | |
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| 191 | getline(sstream,tmp,'-'); |
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| 192 | month=atoi(tmp.c_str()); |
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| 193 | timeinfo->tm_mon = month - 1; |
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| 194 | |
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| 195 | getline(sstream,tmp,'T'); |
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| 196 | day=atoi(tmp.c_str()); |
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| 197 | timeinfo->tm_mday = day; |
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| 198 | |
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| 199 | getline(sstream,tmp,':'); |
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| 200 | hour=atoi(tmp.c_str()); |
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| 201 | timeinfo->tm_hour = hour; |
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| 202 | |
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| 203 | getline(sstream,tmp,':'); |
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| 204 | minute=atoi(tmp.c_str()); |
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| 205 | timeinfo->tm_min = minute; |
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| 206 | |
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| 207 | getline(sstream,tmp,'.'); |
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| 208 | second=atoi(tmp.c_str()); |
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| 209 | timeinfo->tm_sec = second; |
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| 210 | |
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| 211 | return mktime(timeinfo); |
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| 212 | } |
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| 213 | |
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| 214 | |
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[309] | 215 | std::string match(std::string::const_iterator& first, |
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| 216 | const std::string::const_iterator& last, |
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| 217 | std::string str) |
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| 218 | { |
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| 219 | if (match_begin(first, last, str)){ |
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| 220 | first+=str.size(); |
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| 221 | return str; |
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| 222 | } |
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| 223 | return std::string(); |
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| 224 | } |
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| 225 | |
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[289] | 226 | notChar::notChar(char c) |
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| 227 | : char_(c) |
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| 228 | {} |
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| 229 | |
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| 230 | |
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| 231 | not2Char::not2Char(char c1, char c2) |
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| 232 | : char1_(c1), char2_(c2) |
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| 233 | {} |
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| 234 | |
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| 235 | |
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[294] | 236 | not2Str::not2Str(std::string s1, std::string s2) |
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| 237 | : str1_(s1), str2_(s2) |
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| 238 | {} |
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| 239 | |
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[149] | 240 | }} // end of namespace svndigest and namespace theplu |
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