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| Rev | Author | Line No. | Line |
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| 969 | runge | 1 | |
| 2 | #include <string> |
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| 3 | |||
| 4 | /*************************************************************************** |
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| 5 | * Copyright (C) 2004 by Mattias Runge * |
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| 6 | * mattias@mrunge.se * |
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| 7 | * * |
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| 8 | * This program is free software; you can redistribute it and/or modify * |
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| 9 | * it under the terms of the GNU General Public License as published by * |
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| 10 | * the Free Software Foundation; either version 2 of the License, or * |
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| 11 | * (at your option) any later version. * |
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| 12 | * * |
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| 13 | * This program is distributed in the hope that it will be useful, * |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 16 | * GNU General Public License for more details. * |
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| 17 | * * |
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| 18 | * You should have received a copy of the GNU General Public License * |
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| 19 | * along with this program; if not, write to the * |
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| 20 | * Free Software Foundation, Inc., * |
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| 21 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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| 22 | ***************************************************************************/ |
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| 23 | #include "tools.h" |
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| 24 | |||
| 981 | runge | 25 | string niceTime() |
| 26 | { |
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| 27 | string result; |
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| 28 | struct tm tmStruct; |
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| 29 | time_t t = time(NULL); |
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| 990 | runge | 30 | localtime_r(&t, &tmStruct); |
| 981 | runge | 31 | |
| 32 | result += lpad(itos(tmStruct.tm_hour), 2, '0'); |
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| 33 | result += ":"; |
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| 34 | result += lpad(itos(tmStruct.tm_min), 2, '0'); |
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| 35 | result += ":"; |
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| 36 | result += lpad(itos(tmStruct.tm_sec), 2, '0'); |
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| 37 | |||
| 38 | return result; |
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| 39 | } |
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| 40 | |||
| 1011 | runge | 41 | unsigned int hex2uint(string hex) |
| 42 | { |
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| 43 | return bin2uint(hex2bin(hex)); |
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| 44 | } |
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| 45 | |||
| 969 | runge | 46 | unsigned int bin2uint(string bin) |
| 47 | { |
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| 48 | unsigned int num = 0; |
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| 49 | |||
| 50 | for (int n = bin.length()-1; n >= 0; n--) |
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| 51 | { |
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| 52 | if (bin[n] == '1') |
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| 53 | num += (unsigned int)pow(2.0f, (int)(bin.length()-1-n)); |
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| 54 | } |
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| 55 | |||
| 56 | return num; |
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| 57 | } |
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| 58 | |||
| 59 | string invert(string bin) |
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| 60 | { |
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| 61 | string inverted; |
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| 62 | |||
| 63 | for (int n = 0; n < bin.length(); n++) |
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| 64 | inverted += (bin[n] == '1' ? '0' : '1'); |
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| 65 | |||
| 66 | return inverted; |
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| 67 | } |
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| 68 | |||
| 69 | float bin2float(string bin) |
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| 70 | { |
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| 71 | float num = 0; |
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| 72 | |||
| 73 | if (bin.length() == 0) |
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| 74 | return 0.0f; |
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| 75 | |||
| 76 | bool isNegative = false;; |
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| 77 | |||
| 78 | if (bin[0] == '1') |
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| 79 | { |
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| 80 | bin = invert(bin); |
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| 81 | isNegative = true; |
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| 82 | } |
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| 83 | |||
| 84 | for (int n = bin.length()-1; n > 0; n--) |
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| 85 | { |
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| 86 | if (bin[n] == '1') |
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| 87 | num += pow(2.0f, (int)(bin.length()-1-n)); |
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| 88 | } |
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| 89 | |||
| 90 | num /= 64.0f; |
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| 91 | |||
| 92 | if (isNegative) |
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| 93 | num = -num; |
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| 94 | |||
| 95 | return num; |
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| 96 | } |
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| 97 | |||
| 98 | string bin2hex(string bin) |
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| 99 | { |
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| 100 | string hex; |
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| 101 | |||
| 102 | while (bin.size() > 0) |
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| 103 | { |
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| 997 | runge | 104 | string part; |
| 105 | |||
| 106 | try |
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| 107 | { |
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| 108 | part = bin.substr(0, 4); |
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| 109 | } |
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| 110 | catch (std::out_of_range& e) |
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| 111 | { |
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| 112 | cout << "DEBUG: bin2hex exception: " << e.what() << "\n"; |
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| 113 | cout << "DEBUG: A bin=" << bin << endl; |
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| 114 | continue; |
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| 115 | } |
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| 116 | |||
| 969 | runge | 117 | bin.erase(0, part.size()); |
| 118 | |||
| 119 | while (part.size() < 4) |
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| 120 | part = "0" + part; |
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| 121 | |||
| 122 | if (part == "0000") |
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| 123 | hex += '0'; |
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| 124 | else if (part == "0001") |
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| 125 | hex += '1'; |
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| 126 | else if (part == "0010") |
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| 127 | hex += '2'; |
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| 128 | else if (part == "0011") |
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| 129 | hex += '3'; |
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| 130 | else if (part == "0100") |
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| 131 | hex += '4'; |
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| 132 | else if (part == "0101") |
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| 133 | hex += '5'; |
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| 134 | else if (part == "0110") |
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| 135 | hex += '6'; |
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| 136 | else if (part == "0111") |
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| 137 | hex += '7'; |
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| 138 | else if (part == "1000") |
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| 139 | hex += '8'; |
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| 140 | else if (part == "1001") |
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| 141 | hex += '9'; |
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| 142 | else if (part == "1010") |
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| 143 | hex += 'a'; |
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| 144 | else if (part == "1011") |
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| 145 | hex += 'b'; |
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| 146 | else if (part == "1100") |
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| 147 | hex += 'c'; |
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| 148 | else if (part == "1101") |
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| 149 | hex += 'd'; |
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| 150 | else if (part == "1110") |
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| 151 | hex += 'e'; |
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| 152 | else if (part == "1111") |
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| 153 | hex += 'f'; |
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| 154 | } |
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| 155 | |||
| 156 | return hex; |
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| 157 | } |
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| 158 | |||
| 159 | string float2bin(float num, int length) |
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| 160 | { |
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| 161 | string bin; |
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| 162 | |||
| 163 | ///FIXME |
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| 164 | |||
| 165 | while (bin.size() < length) |
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| 166 | bin = "0" + bin; |
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| 167 | |||
| 168 | return bin; |
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| 169 | } |
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| 170 | |||
| 171 | string hex2bin(string hex) |
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| 172 | { |
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| 173 | hex = strtolower(hex); |
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| 174 | |||
| 175 | string bin; |
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| 176 | |||
| 177 | for (int n = 0; n < hex.length(); n++) |
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| 178 | { |
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| 179 | switch (hex[n]) |
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| 180 | { |
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| 181 | case '0': bin += "0000"; break; |
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| 182 | case '1': bin += "0001"; break; |
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| 183 | case '2': bin += "0010"; break; |
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| 184 | case '3': bin += "0011"; break; |
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| 185 | case '4': bin += "0100"; break; |
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| 186 | case '5': bin += "0101"; break; |
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| 187 | case '6': bin += "0110"; break; |
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| 188 | case '7': bin += "0111"; break; |
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| 189 | case '8': bin += "1000"; break; |
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| 190 | case '9': bin += "1001"; break; |
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| 191 | case 'a': bin += "1010"; break; |
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| 192 | case 'b': bin += "1011"; break; |
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| 193 | case 'c': bin += "1100"; break; |
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| 194 | case 'd': bin += "1101"; break; |
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| 195 | case 'e': bin += "1110"; break; |
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| 196 | case 'f': bin += "1111"; break; |
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| 197 | } |
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| 198 | } |
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| 199 | |||
| 200 | return bin; |
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| 201 | } |
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| 202 | |||
| 203 | string uint2bin(unsigned int num, int length) |
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| 204 | { |
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| 205 | string bin; |
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| 206 | |||
| 207 | while (num) |
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| 208 | { |
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| 209 | bin = char((num&1)+'0') + bin; |
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| 210 | num >>= 1; |
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| 211 | } |
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| 212 | |||
| 213 | while (bin.size() < length) |
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| 214 | bin = "0" + bin; |
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| 215 | |||
| 216 | return bin; |
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| 217 | } |
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| 218 | |||
| 981 | runge | 219 | string uint2hex(unsigned int num, int length) |
| 220 | { |
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| 221 | return bin2hex(uint2bin(num, length)); |
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| 222 | } |
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| 969 | runge | 223 | |
| 224 | vector<string> explode(string delimiter, string str) |
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| 225 | { |
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| 226 | vector<string> parts; |
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| 227 | string::size_type startPos = 0; |
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| 228 | string::size_type endPos = 0; |
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| 229 | |||
| 230 | while ((endPos = str.find(delimiter, startPos)) != string::npos) |
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| 231 | { |
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| 997 | runge | 232 | try |
| 233 | { |
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| 234 | parts.push_back(str.substr(startPos, endPos-startPos)); |
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| 235 | } |
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| 236 | catch (std::out_of_range& e) |
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| 237 | { |
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| 238 | cout << "DEBUG: explode exception: " << e.what() << "\n"; |
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| 239 | cout << "DEBUG: A str=" << str << " :: startPos=" << startPos << " :: endPos=" << endPos << endl; |
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| 240 | continue; |
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| 241 | } |
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| 242 | |||
| 969 | runge | 243 | startPos = endPos+delimiter.length(); |
| 244 | } |
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| 245 | |||
| 246 | if (startPos < str.length()) |
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| 247 | { |
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| 997 | runge | 248 | try |
| 249 | { |
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| 250 | parts.push_back(str.substr(startPos, str.length()-startPos)); |
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| 251 | } |
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| 252 | catch (std::out_of_range& e) |
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| 253 | { |
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| 254 | cout << "DEBUG: explode exception: " << e.what() << "\n"; |
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| 255 | cout << "DEBUG: B str=" << str << " :: startPos=" << startPos << " :: endPos=" << endPos << endl; |
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| 256 | } |
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| 969 | runge | 257 | } |
| 258 | |||
| 259 | return parts; |
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| 260 | } |
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| 261 | |||
| 262 | string strtoupper(string s) |
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| 263 | { |
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| 264 | for (unsigned int n = 0; n < s.size(); n++) |
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| 265 | s[n] = (char)toupper(s[n]); |
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| 266 | |||
| 267 | return s; |
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| 268 | } |
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| 269 | |||
| 270 | string strtolower(string s) |
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| 271 | { |
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| 272 | for (unsigned int n = 0; n < s.size(); n++) |
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| 273 | s[n] = (char)tolower(s[n]); |
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| 274 | |||
| 275 | return s; |
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| 276 | } |
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| 277 | |||
| 278 | string trim(string s) |
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| 279 | { |
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| 280 | return trim(s, ' '); |
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| 281 | } |
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| 282 | |||
| 1008 | runge | 283 | string trim(const string s, char c) |
| 969 | runge | 284 | { |
| 1008 | runge | 285 | string result = s; |
| 286 | while (result[0] == c) |
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| 287 | result.erase(0, 1); |
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| 969 | runge | 288 | |
| 1008 | runge | 289 | while (result[result.length()-1] == c) |
| 290 | result.erase(result.length()-1, 1); |
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| 969 | runge | 291 | |
| 1008 | runge | 292 | return result; |
| 969 | runge | 293 | } |
| 294 | |||
| 295 | int stoi(const string s) |
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| 296 | { |
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| 297 | istringstream in(s); |
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| 298 | int i; |
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| 299 | in >> i; |
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| 300 | return i; |
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| 301 | } |
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| 302 | |||
| 303 | string itos(int i) |
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| 304 | { |
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| 305 | ostringstream out; |
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| 306 | out << i; |
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| 307 | return out.str(); |
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| 308 | } |
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| 309 | |||
| 981 | runge | 310 | unsigned int stou(const string s) |
| 311 | { |
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| 312 | istringstream in(s); |
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| 313 | unsigned int i; |
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| 314 | in >> i; |
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| 315 | return i; |
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| 316 | } |
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| 317 | |||
| 318 | string utos(unsigned int i) |
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| 319 | { |
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| 320 | ostringstream out; |
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| 321 | out << i; |
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| 322 | return out.str(); |
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| 323 | } |
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| 324 | |||
| 969 | runge | 325 | float stof(const string s) |
| 326 | { |
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| 327 | istringstream in(s); |
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| 328 | float f; |
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| 329 | in >> f; |
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| 330 | return f; |
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| 331 | } |
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| 332 | |||
| 333 | string ftos(float f) |
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| 334 | { |
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| 335 | ostringstream out; |
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| 336 | out << f; |
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| 337 | return out.str(); |
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| 338 | } |
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| 339 | |||
| 340 | string str_replace(string search, string replace, string str) |
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| 341 | { |
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| 342 | vector<string> parts = explode(search, str); |
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| 343 | |||
| 344 | string result; |
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| 345 | for (int n = 0; n < parts.size(); n++) |
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| 346 | { |
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| 347 | result += parts[n]; |
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| 348 | |||
| 349 | if (n < parts.size()-1) |
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| 350 | result += replace; |
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| 351 | } |
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| 352 | |||
| 353 | return result; |
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| 354 | } |
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| 355 | |||
| 356 | string file_get_contents(string filename) |
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| 357 | { |
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| 358 | ifstream srcfile(filename.c_str()); |
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| 359 | |||
| 360 | if (!srcfile.is_open()) |
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| 361 | { |
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| 362 | srcfile.close(); |
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| 363 | return ""; |
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| 364 | } |
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| 365 | |||
| 366 | string buffer = ""; |
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| 367 | string line; |
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| 368 | |||
| 369 | while (!srcfile.eof()) |
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| 370 | { |
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| 371 | getline(srcfile, line); |
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| 372 | |||
| 373 | if (srcfile.eof()) |
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| 374 | break; |
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| 375 | |||
| 376 | buffer += line + "\n"; |
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| 377 | }; |
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| 378 | |||
| 379 | srcfile.close(); |
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| 380 | |||
| 381 | return buffer; |
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| 382 | } |
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| 383 | |||
| 384 | bool file_exists(string filename) |
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| 385 | { |
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| 386 | ifstream file(filename.c_str()); |
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| 387 | if (file.is_open()) |
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| 388 | { |
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| 389 | file.close(); |
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| 390 | return true; |
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| 391 | } |
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| 392 | |||
| 393 | return false; |
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| 394 | } |
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| 395 | |||
| 396 | string escape(string in) |
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| 397 | { |
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| 398 | string out; |
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| 399 | |||
| 400 | for (int n = 0; n < in.length(); n++) |
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| 401 | { |
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| 402 | switch (in[n]) |
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| 403 | { |
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| 976 | runge | 404 | case '\r': |
| 405 | break; |
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| 406 | |||
| 969 | runge | 407 | case '\n': |
| 408 | out += "\\n"; |
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| 409 | break; |
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| 410 | |||
| 976 | runge | 411 | case '\'': |
| 412 | out += "\\'"; |
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| 413 | break; |
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| 414 | |||
| 415 | case '"': |
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| 416 | out += "\\\""; |
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| 417 | break; |
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| 418 | |||
| 969 | runge | 419 | default: |
| 420 | out += in[n]; |
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| 421 | break; |
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| 422 | } |
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| 423 | } |
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| 424 | |||
| 425 | return out; |
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| 426 | } |
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| 427 | |||
| 976 | runge | 428 | string rpad(string in, int length, char c) |
| 429 | { |
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| 430 | while (in.length() < length) |
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| 431 | { |
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| 432 | in += c; |
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| 433 | } |
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| 434 | |||
| 435 | return in; |
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| 436 | } |
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| 437 | |||
| 438 | string lpad(string in, int length, char c) |
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| 439 | { |
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| 440 | while (in.length() < length) |
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| 441 | { |
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| 442 | in = c + in; |
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| 443 | } |
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| 444 | |||
| 445 | return in; |
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| 446 | } |