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00018 #include "pqxx/libcompiler.h"
00019
00020 #include <string>
00021
00022 #include "pqxx/result"
00023
00024
00025 namespace pqxx
00026 {
00027
00029
00041 class PQXX_LIBEXPORT binarystring : internal::PQAlloc<unsigned char>
00042 {
00043
00044 public:
00045 typedef content_type char_type;
00046 typedef PGSTD::char_traits<char_type>::char_type value_type;
00047 typedef size_t size_type;
00048 typedef long difference_type;
00049 typedef const value_type &const_reference;
00050 typedef const value_type *const_pointer;
00051 typedef const_pointer const_iterator;
00052
00053 #ifdef PQXX_HAVE_REVERSE_ITERATOR
00054 typedef PGSTD::reverse_iterator<const_iterator> const_reverse_iterator;
00055 #endif
00056
00057 private:
00058 typedef internal::PQAlloc<value_type> super;
00059
00060 public:
00062
00065 explicit binarystring(const result::field &F);
00066
00068 size_type size() const throw () { return m_size; }
00069 size_type length() const throw () { return size(); }
00070 bool empty() const throw () { return size()==0; }
00071
00072 const_iterator begin() const throw () { return data(); }
00073 const_iterator end() const throw () { return data()+m_size; }
00074
00075 #ifdef PQXX_HAVE_REVERSE_ITERATOR
00076 const_reverse_iterator rbegin() const
00077 { return const_reverse_iterator(end()); }
00078 const_reverse_iterator rend() const
00079 { return const_reverse_iterator(begin()); }
00080 #endif
00081
00083 const value_type *data() const throw () {return super::c_ptr();}
00084
00085 const_reference operator[](size_type i) const throw ()
00086 { return data()[i]; }
00087
00089 const_reference at(size_type) const;
00090
00092
00095 const char *c_ptr() const throw ()
00096 {
00097 return reinterpret_cast<char *>(super::c_ptr());
00098 }
00099
00101
00103 const PGSTD::string &str() const;
00104
00105 private:
00106 size_type m_size;
00107 mutable PGSTD::string m_str;
00108 };
00109
00110
00112 PGSTD::string PQXX_LIBEXPORT escape_binary(const PGSTD::string &bin);
00114 PGSTD::string PQXX_LIBEXPORT escape_binary(const char bin[]);
00116 PGSTD::string PQXX_LIBEXPORT escape_binary(const char bin[], size_t len);
00118 PGSTD::string PQXX_LIBEXPORT escape_binary(const unsigned char bin[]);
00120 PGSTD::string PQXX_LIBEXPORT escape_binary(const unsigned char bin[], size_t len);
00121
00122
00123 }
00124