Changeset 219

Timestamp:

12/17/13 22:02:23 (12 years ago)

Author:

epyon

Message:

• nv::string - extended string ops

File:

• trunk/nv/string.hh (modified) (3 diffs)

trunk/nv/string.hh

@@ -7 +7 @@
 
 #include <string>
+#include <algorithm>
 #include <cstring>
 #include <sstream>
@@ -120 +121 @@
         }
 
+        inline bool trim( std::string& str )
+        {
+                size_t endpos = str.find_last_not_of(" \r\n\t");
+                size_t startpos = str.find_first_not_of(" \r\n\t");
+
+                if ( string::npos != endpos || string::npos != startpos )
+                {
+                        if ( string::npos == startpos ) startpos = 0;
+                        if ( string::npos != endpos )   endpos = endpos+1-startpos;
+                        str = str.substr( startpos, endpos );
+                        return true;
+                }
+                return false;
+        }
+
+        inline bool rtrim( std::string& str )
+        {
+                size_t endpos = str.find_last_not_of(" \r\n\t");
+                if ( string::npos != endpos )
+                {
+                        str = str.substr( 0, endpos+1 );
+                        return true;
+                }
+                return false;
+        }
+
+        inline bool ltrim( std::string& str )
+        {
+                size_t startpos = str.find_first_not_of(" \r\n\t");
+                if( string::npos != startpos )
+                {
+                        str = str.substr( startpos );
+                        return true;
+                }
+                return false;
+        }
+
+        inline std::string trimmed( const std::string& str )
+        {
+                size_t endpos = str.find_last_not_of(" \r\n\t");
+                size_t startpos = str.find_first_not_of(" \r\n\t");
+
+                if ( string::npos != endpos || string::npos != startpos )
+                {
+                        if ( string::npos == startpos ) startpos = 0;
+                        if ( string::npos != endpos )   endpos = endpos+1-startpos;
+                        return str.substr( startpos, endpos );
+                }
+                return str;
+        }
+
+        inline std::string rtrimmed( const std::string& str )
+        {
+                size_t endpos = str.find_last_not_of(" \r\n\t");
+                if ( string::npos != endpos )
+                {
+                        return str.substr( 0, endpos+1 );
+                }
+                return str;
+        }
+
+        inline std::string ltrimmed( const std::string& str )
+        {
+                size_t startpos = str.find_first_not_of(" \r\n\t");
+                if( string::npos != startpos )
+                {
+                        return str.substr( startpos );
+                }
+                return str;
+        }
+
         inline bool ends_with( const std::string& s, const std::string & ending )
         {
@@ -129 +201 @@
         }
 
+        inline std::string& remove_chars( std::string& s, const std::string& chars ) 
+        {
+                s.erase(remove_if(s.begin(), s.end(), 
+                        [&chars](const char& c) {
+                                return chars.find(c) != std::string::npos;
+                        }), s.end());
+                return s;
+        }
+
+        inline std::string remove_chars_copy( std::string s, const std::string& chars ) 
+        {
+                return remove_chars(s, chars);
+        }
+
         template< typename T >
         struct string_length