Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 179 insertions, 0 deletions

diff --git a/src/boost/libs/test/example/const_string.hpp b/src/boost/libs/test/example/const_string.hpp
new file mode 100644
index 00000000..2ff382f8
--- /dev/null
+++ b/src/boost/libs/test/example/const_string.hpp
@@ -0,0 +1,179 @@
+//  (C) Copyright Gennadiy Rozental 2001-2014.
+//  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/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision$
+//
+//  Description : simple string class definition
+// ***************************************************************************
+
+#ifndef  CONST_STRING_HPP
+#define  CONST_STRING_HPP
+
+// STL
+#include <iterator>
+#include <string>
+#include <cstring>
+using std::string;
+
+namespace common_layer {
+
+// ************************************************************************** //
+// **************                 const_string                 ************** //
+// ************************************************************************** //
+
+class const_string {
+public:
+    // Subtypes
+    typedef     char const*                     iterator;
+    typedef     char const*                     const_iterator;
+    typedef     std::reverse_iterator<iterator> reverse_iterator;
+    typedef     reverse_iterator                const_reverse_iterator;
+
+    // Constructor
+    const_string()
+    : m_begin( "" ), m_end( m_begin )                      {}
+
+    // Copy constructor is generated by compiler
+
+    const_string( const std::string& s )
+    : m_begin( s.c_str() ),
+      m_end( m_begin + s.length() )                        {}
+
+    const_string( char const* s )
+    : m_begin( s ? s : "" )
+    , m_end( s ? m_begin + std::strlen( s ) : m_begin )
+    {}
+
+    const_string( char const* s, size_t length )
+    : m_begin( s ), m_end( m_begin + length )              { if( length == 0 ) erase(); }
+
+    const_string( char const* first, char const* last )
+    : m_begin( first ), m_end( last )                      {}
+
+    // data access methods
+    char            operator[]( size_t index ) const        { return m_begin[index]; }
+    char            at( size_t index ) const                { return m_begin[index]; }
+
+    char const*     data() const                            { return m_begin; }
+
+    // length operators
+    size_t          length() const                          { return m_end - m_begin; }
+    bool            is_empty() const                        { return m_end == m_begin; }
+
+    void            erase()                                 { m_begin = m_end = ""; }
+    void            resize( size_t new_len )                { if( m_begin + new_len < m_end ) m_end = m_begin + new_len; }
+    void            rshorten( size_t shift = 1 )            { m_end  -= shift; if( m_end <= m_begin ) erase(); }
+    void            lshorten( size_t shift = 1 )            { m_begin += shift; if( m_end <= m_begin ) erase(); }
+
+    // Assignment operators
+    const_string&   operator=( const_string const& s );
+    const_string&   operator=( string const& s )            { return *this = const_string( s ); }
+    const_string&   operator=( char const* s )              { return *this = const_string( s ); }
+
+    const_string&   assign( const_string const& s )         { return *this = s; }
+    const_string&   assign( string const& s, size_t len )   { return *this = const_string( s.data(), len ); }
+    const_string&   assign( string const& s )               { return *this = const_string( s ); }
+    const_string&   assign( char const* s )                 { return *this = const_string( s ); }
+    const_string&   assign( char const* s, size_t len )     { return *this = const_string( s, len ); }
+    const_string&   assign( char const* f, char const* l )  { return *this = const_string( f, l ); }
+
+    void            swap( const_string& s )                 {
+       // do not want to include alogrithm
+        char const* tmp1 = m_begin;
+        char const* tmp2 = m_end;
+
+        m_begin     = s.m_begin;
+        m_end       = s.m_end;
+
+        s.m_begin   = tmp1;
+        s.m_end     = tmp2;
+    }
+
+    // Comparison operators
+    friend bool     operator==( const_string const& s1, const_string const& s2 )
+    {
+         return s1.length() == s2.length() && std::strncmp( s1.data(), s2.data(), s1.length() ) == 0;
+    }
+    friend bool     operator==( const_string const& s1, char const* s2 )            { return s1 == const_string( s2 ); }
+    friend bool     operator==( const_string const& s1, const string& s2 )          { return s1 == const_string( s2 ); }
+
+    friend bool     operator!=( const_string const& s1, const_string const& s2 )    { return !(s1 == s2); }
+    friend bool     operator!=( const_string const& s1, char const* s2 )            { return !(s1 == s2); }
+    friend bool     operator!=( const_string const& s1, const string& s2 )          { return !(s1 == s2); }
+
+    friend bool     operator==( char const* s2,         const_string const& s1 )    { return s1 == s2; }
+    friend bool     operator==( const string& s2,       const_string const& s1 )    { return s1 == s2; }
+
+    friend bool     operator!=( char const* s2,         const_string const& s1 )    { return !(s1 == s2); }
+    friend bool     operator!=( const string& s2,       const_string const& s1 )    { return !(s1 == s2); }
+
+    // Iterators
+    iterator        begin() const                           { return m_begin; }
+    iterator        end() const                             { return m_end;   }
+    reverse_iterator rbegin() const                         { return reverse_iterator( m_end );   }
+    reverse_iterator rend() const                           { return reverse_iterator( m_begin ); }
+
+private:
+
+    // Data members
+    char const*     m_begin;
+    char const*     m_end;
+};
+
+//____________________________________________________________________________//
+
+// first character
+class first_char {
+public:
+    char operator()( const_string source, char default_char = '\0' ) const {
+        return source.is_empty() ? default_char : *source.data();
+    }
+};
+
+//____________________________________________________________________________//
+
+// last character
+class last_char {
+public:
+    char operator()( const_string source, char default_char = '\0' ) const {
+        return source.is_empty() ? default_char : *source.rbegin();
+    }
+};
+
+//____________________________________________________________________________//
+
+inline const_string&
+const_string::operator=( const_string const& s ) {
+    if( &s != this ) {
+        m_begin = s.m_begin;
+        m_end  = s.m_end;
+    }
+
+    return *this;
+}
+
+//____________________________________________________________________________//
+
+typedef const_string const literal;
+
+//____________________________________________________________________________//
+
+inline std::ostream&
+operator<<( std::ostream& os, const_string const& str )
+{
+    os << std::string( str.begin(), str.length() );
+
+    return os;
+}
+
+//____________________________________________________________________________//
+
+}; // namespace common_layer
+
+#endif // CONST_STRING_HPP