New upstream version 8.1.0

thirdparty/source/boost_1_61_0/boost/tokenizer.hpp

@@ -0,0 +1,98 @@
+// Boost tokenizer.hpp  -----------------------------------------------------//
+
+// (c) Copyright Jeremy Siek and John R. Bandela 2001. 
+
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+// See http://www.boost.org/libs/tokenizer for documenation
+
+// Revision History:
+// 03 Jul 2003   John Bandela
+//      Converted to new iterator adapter
+// 02 Feb 2002   Jeremy Siek
+//      Removed tabs and a little cleanup.
+
+#ifndef BOOST_TOKENIZER_JRB070303_HPP_
+#define BOOST_TOKENIZER_JRB070303_HPP_
+
+#include <boost/token_iterator.hpp>
+
+namespace boost {
+
+  
+  //===========================================================================
+  // A container-view of a tokenized "sequence"
+  template <
+    typename TokenizerFunc = char_delimiters_separator<char>, 
+    typename Iterator = std::string::const_iterator,
+    typename Type = std::string
+  >
+  class tokenizer {
+  private:
+    typedef token_iterator_generator<TokenizerFunc,Iterator,Type> TGen;
+        
+    // It seems that MSVC does not like the unqualified use of iterator,
+    // Thus we use iter internally when it is used unqualified and
+    // the users of this class will always qualify iterator.     
+    typedef typename TGen::type iter;
+    
+  public:
+    
+    typedef iter iterator;
+    typedef iter const_iterator;
+    typedef Type value_type;
+    typedef value_type& reference;
+    typedef const value_type& const_reference;
+    typedef value_type* pointer;
+    typedef const pointer const_pointer;
+    typedef void size_type;
+    typedef void difference_type;
+
+    tokenizer(Iterator first, Iterator last,
+              const TokenizerFunc& f = TokenizerFunc()) 
+      : first_(first), last_(last), f_(f) { }
+        
+    template <typename Container>
+    tokenizer(const Container& c)
+      : first_(c.begin()), last_(c.end()), f_() { }
+    
+    template <typename Container>
+    tokenizer(const Container& c,const TokenizerFunc& f)
+      : first_(c.begin()), last_(c.end()), f_(f) { }
+    
+    void assign(Iterator first, Iterator last){
+      first_ = first;
+      last_ = last;
+    }
+    
+    void assign(Iterator first, Iterator last, const TokenizerFunc& f){
+      assign(first,last);
+      f_ = f;
+    }
+    
+    template <typename Container>
+    void assign(const Container& c){
+      assign(c.begin(),c.end());
+    }
+    
+    
+    template <typename Container>
+    void assign(const Container& c, const TokenizerFunc& f){
+      assign(c.begin(),c.end(),f);
+    }
+    
+    iter begin() const { return iter(f_,first_,last_); }
+    iter end() const { return iter(f_,last_,last_); }
+        
+  private:
+    Iterator first_;
+    Iterator last_;
+    TokenizerFunc f_;
+  };
+
+
+} // namespace boost
+
+#endif