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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 const_reference front() const throw () { return *begin(); }
00076 const_reference back() const throw () { return *(data()+m_size-1); }
00077
00078 #ifdef PQXX_HAVE_REVERSE_ITERATOR
00079 const_reverse_iterator rbegin() const
00080 { return const_reverse_iterator(end()); }
00081 const_reverse_iterator rend() const
00082 { return const_reverse_iterator(begin()); }
00083 #endif
00084
00086 const value_type *data() const throw () {return super::c_ptr();}
00087
00088 const_reference operator[](size_type i) const throw ()
00089 { return data()[i]; }
00090
00091 bool operator==(const binarystring &) const throw ();
00092 bool operator!=(const binarystring &rhs) const throw ()
00093 { return !operator==(rhs); }
00094
00096 const_reference at(size_type) const;
00097
00098 void swap(binarystring &);
00099
00101
00104 const char *c_ptr() const throw ()
00105 {
00106 return reinterpret_cast<char *>(super::c_ptr());
00107 }
00108
00110
00112 const PGSTD::string &str() const;
00113
00114 private:
00115 size_type m_size;
00116 mutable PGSTD::string m_str;
00117 };
00118
00119
00121 PGSTD::string PQXX_LIBEXPORT escape_binary(const PGSTD::string &bin);
00123 PGSTD::string PQXX_LIBEXPORT escape_binary(const char bin[]);
00125 PGSTD::string PQXX_LIBEXPORT escape_binary(const char bin[], size_t len);
00127 PGSTD::string PQXX_LIBEXPORT escape_binary(const unsigned char bin[]);
00129 PGSTD::string PQXX_LIBEXPORT escape_binary(const unsigned char bin[], size_t len);
00130
00131
00132 }
00133