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  37
  38 #pragma once
  39
  40 #include <libmemcached/csl/common.h>
  41 #include <libmemcached/csl/parser.h>
  42
  43 class Context
  44 {
  45 public:
  46   Context(const char *option_string, size_t option_string_length, memcached_st *memc_arg,
  47           memcached_return_t &rc_arg) :
  48     previous_token(END),
  49     scanner(NULL),
  50     begin(NULL),
  51     pos(0),
  52     memc(NULL),
  53     rc(rc_arg),
  54     _is_server(false),
  55     _end(false),
  56     _has_hash(false)
  57   {
  58     _hostname[0]= 0;
  59     buf= option_string;
  60     length= option_string_length;
  61     memc= memc_arg;
  62     init_scanner();
  63     rc= MEMCACHED_SUCCESS;
  64   }
  65
  66   bool end()
  67   {
  68     return _end;
  69   }
  70
  71   void start();
  72
  73   void set_end()
  74   {
  75     rc= MEMCACHED_SUCCESS;
  76     _end= true;
  77   }
  78
  79   bool set_hash(memcached_hash_t hash);
  80
  81   void set_server()
  82   {
  83     _is_server= true;
  84   }
  85
  86   void unset_server()
  87   {
  88     _is_server= false;
  89   }
  90
  91   bool is_server() const
  92   {
  93     return _is_server;
  94   }
  95
  96   const char *set_hostname(const char *str, size_t size);
  97
  98   const char *hostname() const
  99   {
 100     return _hostname;
 101   }
 102
 103   void abort(const char *, yytokentype, const char *);
 104   void error(const char *, yytokentype, const char* );
 105
 106   ~Context()
 107   {
 108     destroy_scanner();
 109   }
 110
 111   yytokentype previous_token;
 112   void *scanner;
 113   const char *buf;
 114   const char *begin;
 115   size_t pos;
 116   size_t length;
 117   memcached_st *memc;
 118   memcached_return_t &rc;
 119
 120 protected:
 121   void init_scanner();
 122   void destroy_scanner();
 123
 124 private:
 125   bool _is_server;
 126   bool _end;
 127   char _hostname[NI_MAXHOST];
 128   bool _has_hash;
 129 };