| 1 | /****************************************************************************** |
| 2 | * Arachnoid Graphics Plugin for Mupen64Plus |
| 3 | * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/ |
| 4 | * |
| 5 | * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License |
| 9 | * as published by the Free Software Foundation; either version 2 |
| 10 | * of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | *****************************************************************************/ |
| 21 | |
| 22 | #include "StringFunctions.h" |
| 23 | #include <cstring> |
| 24 | using std::string; |
| 25 | using std::vector; |
| 26 | |
| 27 | namespace StringFunctions { |
| 28 | |
| 29 | //----------------------------------------------------------------------------- |
| 30 | // split |
| 31 | // @param str The string you want to split into many strings |
| 32 | // @param delims The character(s) that split strings |
| 33 | // @return Vector with the new strings |
| 34 | //----------------------------------------------------------------------------- |
| 35 | vector<string> split(const string& str, const string& delims, size_t maxSplits) |
| 36 | { |
| 37 | size_t pos; |
| 38 | size_t start = 0; |
| 39 | vector<string> strings; |
| 40 | size_t numSplits = 0; |
| 41 | |
| 42 | do |
| 43 | { |
| 44 | //Find next interesting data |
| 45 | start = str.find_first_not_of(delims, start); |
| 46 | |
| 47 | //Try to find delimiter |
| 48 | pos = str.find_first_of(delims, start); |
| 49 | |
| 50 | if (pos == start) |
| 51 | { |
| 52 | //Do nothing |
| 53 | start = pos + 1; |
| 54 | } |
| 55 | else if (pos == string::npos || (maxSplits!=string::npos && numSplits == maxSplits) ) |
| 56 | { |
| 57 | //No more spliting, copy the rest of the string |
| 58 | strings.push_back( str.substr(start) ); |
| 59 | break; |
| 60 | } |
| 61 | else |
| 62 | { |
| 63 | //Split string and add to return |
| 64 | strings.push_back( str.substr(start, pos - start) ); |
| 65 | start = pos + 1; |
| 66 | numSplits++; |
| 67 | } |
| 68 | |
| 69 | } while (pos != string::npos); |
| 70 | |
| 71 | //Return vector with strings |
| 72 | return strings; |
| 73 | } |
| 74 | |
| 75 | //----------------------------------------------------------------------------- |
| 76 | // String Trim |
| 77 | //----------------------------------------------------------------------------- |
| 78 | void trim(string& str, bool left, bool right, const string delims) |
| 79 | { |
| 80 | //Erase characters from the left |
| 81 | if(left) |
| 82 | { |
| 83 | str.erase(0, str.find_first_not_of(delims)); |
| 84 | } |
| 85 | |
| 86 | //Erase characters from the right |
| 87 | if(right) |
| 88 | { |
| 89 | str.erase(str.find_last_not_of(delims)+1); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | //----------------------------------------------------------------------------- |
| 94 | // String Trim |
| 95 | //----------------------------------------------------------------------------- |
| 96 | char* trim(char* str, bool left, bool right) |
| 97 | { |
| 98 | //Trim from the left |
| 99 | if(left) |
| 100 | { |
| 101 | //Set pointer to string |
| 102 | char* p1 = str; |
| 103 | char* p2 = str; |
| 104 | char* end = &str[strlen(str)-1]; |
| 105 | |
| 106 | //Skip white spaces |
| 107 | while ( isspace( *p1 ) && p1 != end ) |
| 108 | { |
| 109 | ++p1; |
| 110 | } |
| 111 | |
| 112 | char* newEnd = p1; |
| 113 | |
| 114 | //Copy characters to begining of string |
| 115 | while ( p2 != end ) |
| 116 | { |
| 117 | if ( p1 < newEnd ) |
| 118 | { |
| 119 | *p2 = '\0'; |
| 120 | } |
| 121 | else |
| 122 | { |
| 123 | *p2 = *p1; |
| 124 | } |
| 125 | |
| 126 | ++p1; |
| 127 | ++p2; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | //Trim from the right |
| 132 | if(right) |
| 133 | { |
| 134 | //Point to end of string |
| 135 | char* end = str + strlen(str) - 1; |
| 136 | |
| 137 | //Remove white spaces in the end |
| 138 | while( end >= str && *end == ' ' ) |
| 139 | { |
| 140 | *end-- = '\0'; |
| 141 | } |
| 142 | } |
| 143 | return str; |
| 144 | } |
| 145 | |
| 146 | //----------------------------------------------------------------------------- |
| 147 | // String Trim |
| 148 | //----------------------------------------------------------------------------- |
| 149 | std::vector<string> split(const char* str, const std::string& delims) |
| 150 | { |
| 151 | return split(string(str), delims); |
| 152 | } |
| 153 | |
| 154 | |
| 155 | } //namespace StringFunctions |