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trac ticket 9537: const_string_test example fails

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this time this is the correct commit
cleaned the file a bit
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Raffi Enficiaud
2014-04-20 15:48:56 +02:00
parent 9be77bcda7
commit 2e7d65bbd3
1 changed files with 47 additions and 35 deletions
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82
doc/v2/snippet/const_string.hpp
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@@ -15,66 +15,78 @@
#include <string>
using std::string;
namespace common_layer {
namespace common_layer
{
// ************************************************************************** //
// ************** const_string ************** //
// ************************************************************************** //
class const_string {
class const_string
{
public:
// Subtypes
typedef char const* iterator;
typedef char const* const_iterator;
typedef std::reverse_iterator<iterator,char, char const&> reverse_iterator;
typedef reverse_iterator const_reverse_iterator;
typedef char const* iterator;
typedef char const* const_iterator;
typedef std::reverse_iterator<iterator,char, char const&> reverse_iterator;
typedef reverse_iterator const_reverse_iterator;
// Constructor
const_string()
: m_begin( "" ), m_end( m_begin ) {}
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( const std::string& s ) :
m_begin( s.c_str() ),
m_end( m_begin + s.length() )
{}
const_string( char const* s );
const_string( char const* s, size_t length )
: m_begin( s ), m_end( m_begin + length ) { if( length == 0 ) erase(); }
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 ) {}
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;
char const* data() const { return m_begin; }
char operator[]( size_t index ) const { return m_begin[index]; }
char at( size_t index ) const { return (*this)[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; }
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(); }
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& 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 ); }
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 ) {
void swap( const_string& s )
{
// do not want to include alogrithm
char const* tmp1 = m_begin;
char const* tmp2 = m_end;