Line data Source code
1 : /*
2 : Minetest
3 : Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 :
5 : This program is free software; you can redistribute it and/or modify
6 : it under the terms of the GNU Lesser General Public License as published by
7 : the Free Software Foundation; either version 2.1 of the License, or
8 : (at your option) any later version.
9 :
10 : This program is distributed in the hope that it will be useful,
11 : but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU Lesser General Public License for more details.
14 :
15 : You should have received a copy of the GNU Lesser General Public License along
16 : with this program; if not, write to the Free Software Foundation, Inc.,
17 : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 : */
19 :
20 : #ifndef STRFND_HEADER
21 : #define STRFND_HEADER
22 :
23 : #include <string>
24 :
25 541 : class Strfnd{
26 : std::string tek;
27 : unsigned int p;
28 : public:
29 541 : void start(std::string niinq){
30 541 : tek = niinq;
31 541 : p=0;
32 541 : }
33 : unsigned int where(){
34 : return p;
35 : }
36 : void to(unsigned int i){
37 : p = i;
38 : }
39 : std::string what(){
40 : return tek;
41 : }
42 3860 : std::string next(std::string plop){
43 : //std::cout<<"tek=\""<<tek<<"\" plop=\""<<plop<<"\""<<std::endl;
44 : size_t n;
45 3860 : std::string palautus;
46 3860 : if (p < tek.size())
47 : {
48 : //std::cout<<"\tp<tek.size()"<<std::endl;
49 3815 : if ((n = tek.find(plop, p)) == std::string::npos || plop == "")
50 : {
51 : //std::cout<<"\t\tn == string::npos || plop == \"\""<<std::endl;
52 533 : n = tek.size();
53 : }
54 : else
55 : {
56 : //std::cout<<"\t\tn != string::npos"<<std::endl;
57 : }
58 3815 : palautus = tek.substr(p, n-p);
59 3815 : p = n + plop.length();
60 : }
61 : //else
62 : //std::cout<<"\tp>=tek.size()"<<std::endl;
63 : //std::cout<<"palautus=\""<<palautus<<"\""<<std::endl;
64 3860 : return palautus;
65 : }
66 :
67 : // Returns substr of tek up to the next occurence of plop that isn't escaped with '\'
68 : std::string next_esc(std::string plop) {
69 : size_t n, realp;
70 :
71 : if (p >= tek.size())
72 : return "";
73 :
74 : realp = p;
75 : do {
76 : n = tek.find(plop, p);
77 : if (n == std::string::npos || plop == "")
78 : n = tek.length();
79 : p = n + plop.length();
80 : } while (n > 0 && tek[n - 1] == '\\');
81 :
82 : return tek.substr(realp, n - realp);
83 : }
84 :
85 0 : void skip_over(std::string chars){
86 0 : while(p < tek.size()){
87 0 : bool is = false;
88 0 : for(unsigned int i=0; i<chars.size(); i++){
89 0 : if(chars[i] == tek[p]){
90 0 : is = true;
91 0 : break;
92 : }
93 : }
94 0 : if(!is) break;
95 0 : p++;
96 : }
97 0 : }
98 756 : bool atend(){
99 756 : if(p>=tek.size()) return true;
100 735 : return false;
101 : }
102 541 : Strfnd(std::string s){
103 541 : start(s);
104 541 : }
105 : };
106 :
107 4 : class WStrfnd{
108 : std::wstring tek;
109 : unsigned int p;
110 : public:
111 4 : void start(std::wstring niinq){
112 4 : tek = niinq;
113 4 : p=0;
114 4 : }
115 : unsigned int where(){
116 : return p;
117 : }
118 : void to(unsigned int i){
119 : p = i;
120 : }
121 : std::wstring what(){
122 : return tek;
123 : }
124 4 : std::wstring next(std::wstring plop){
125 : //std::cout<<"tek=\""<<tek<<"\" plop=\""<<plop<<"\""<<std::endl;
126 : size_t n;
127 4 : std::wstring palautus;
128 4 : if (p < tek.size())
129 : {
130 : //std::cout<<"\tp<tek.size()"<<std::endl;
131 4 : if ((n = tek.find(plop, p)) == std::wstring::npos || plop == L"")
132 : {
133 : //std::cout<<"\t\tn == string::npos || plop == \"\""<<std::endl;
134 3 : n = tek.size();
135 : }
136 : else
137 : {
138 : //std::cout<<"\t\tn != string::npos"<<std::endl;
139 : }
140 4 : palautus = tek.substr(p, n-p);
141 4 : p = n + plop.length();
142 : }
143 : //else
144 : //std::cout<<"\tp>=tek.size()"<<std::endl;
145 : //std::cout<<"palautus=\""<<palautus<<"\""<<std::endl;
146 4 : return palautus;
147 : }
148 :
149 : std::wstring next_esc(std::wstring plop) {
150 : size_t n, realp;
151 :
152 : if (p >= tek.size())
153 : return L"";
154 :
155 : realp = p;
156 : do {
157 : n = tek.find(plop, p);
158 : if (n == std::wstring::npos || plop == L"")
159 : n = tek.length();
160 : p = n + plop.length();
161 : } while (n > 0 && tek[n - 1] == '\\');
162 :
163 : return tek.substr(realp, n - realp);
164 : }
165 :
166 8 : bool atend(){
167 8 : if(p>=tek.size()) return true;
168 4 : return false;
169 : }
170 4 : WStrfnd(std::wstring s){
171 4 : start(s);
172 4 : }
173 : };
174 :
175 : #endif
176 :
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