22726e4d |
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 |