Freeze-melt adjust

[oweals/minetest.git] / src / strfnd.h

diff --git a/src/strfnd.h b/src/strfnd.h
index bbd0fa1e090357aa93f6246ea73ef9491d9980ff..4a72edf3c50f474aa38e841ba15973a29c2772ff 100644 (file)
--- a/src/strfnd.h
+++ b/src/strfnd.h
@@ -1,18 +1,18 @@
 /*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
@@ -22,7 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #include <string>
 
-std::string trim(std::string str);
+std::string trim(const std::string &str);
 
 class Strfnd{
     std::string tek;
@@ -65,6 +65,38 @@ public:
                //std::cout<<"palautus=\""<<palautus<<"\""<<std::endl;
         return palautus;
     }
+    
+    // Returns substr of tek up to the next occurence of plop that isn't escaped with '\'
+    std::string next_esc(std::string plop) {
+               size_t n, realp;
+               
+       if (p >= tek.size())
+               return "";
+               
+               realp = p;
+               do {
+                       n = tek.find(plop, p);
+                       if (n == std::string::npos || plop == "")
+                               n = tek.length();
+                       p = n + plop.length();
+               } while (n > 0 && tek[n - 1] == '\\');
+               
+               return tek.substr(realp, n - realp);
+    }
+    
+       void skip_over(std::string chars){
+               while(p < tek.size()){
+                       bool is = false;
+                       for(unsigned int i=0; i<chars.size(); i++){
+                               if(chars[i] == tek[p]){
+                                       is = true;
+                                       break;
+                               }
+                       }
+                       if(!is) break;
+                       p++;
+               }
+       }
     bool atend(){
         if(p>=tek.size()) return true;
         return false;
@@ -74,8 +106,77 @@ public:
     }
 };
 
-inline std::string trim(std::string str)
+class WStrfnd{
+    std::wstring tek;
+    unsigned int p;
+public:
+    void start(std::wstring niinq){
+        tek = niinq;
+        p=0;
+    }
+    unsigned int where(){
+        return p;
+    }
+    void to(unsigned int i){
+        p = i;
+    }
+    std::wstring what(){
+        return tek;
+    }
+    std::wstring next(std::wstring plop){
+        //std::cout<<"tek=\""<<tek<<"\" plop=\""<<plop<<"\""<<std::endl;
+        size_t n;
+        std::wstring palautus;
+        if (p < tek.size())
+        {  
+            //std::cout<<"\tp<tek.size()"<<std::endl;
+            if ((n = tek.find(plop, p)) == std::wstring::npos || plop == L"")
+            {  
+                //std::cout<<"\t\tn == string::npos || plop == \"\""<<std::endl;
+                n = tek.size();
+            }
+            else
+            {  
+                //std::cout<<"\t\tn != string::npos"<<std::endl;
+            }
+            palautus = tek.substr(p, n-p);
+            p = n + plop.length();
+        }
+        //else
+            //std::cout<<"\tp>=tek.size()"<<std::endl;
+               //std::cout<<"palautus=\""<<palautus<<"\""<<std::endl;
+        return palautus;
+    }
+    
+    std::wstring next_esc(std::wstring plop) {
+               size_t n, realp;
+               
+       if (p >= tek.size())
+               return L"";
+               
+               realp = p;
+               do {
+                       n = tek.find(plop, p);
+                       if (n == std::wstring::npos || plop == L"")
+                               n = tek.length();
+                       p = n + plop.length();
+               } while (n > 0 && tek[n - 1] == '\\');
+               
+               return tek.substr(realp, n - realp);
+    }
+    
+    bool atend(){
+        if(p>=tek.size()) return true;
+        return false;
+    }
+    WStrfnd(std::wstring s){
+        start(s);
+    }
+};
+
+inline std::string trim(const std::string &s)
 {
+       std::string str = s;
     while( 
             str.length()>0
             &&