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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     memc->state.is_parsing= true;
  66   }
  67
  68   bool end()
  69   {
  70     return _end;
  71   }
  72
  73   void start();
  74
  75   void set_end()
  76   {
  77     rc= MEMCACHED_SUCCESS;
  78     _end= true;
  79   }
  80
  81   bool set_hash(memcached_hash_t hash);
  82
  83   void set_server()
  84   {
  85     _is_server= true;
  86   }
  87
  88   void unset_server()
  89   {
  90     _is_server= false;
  91   }
  92
  93   bool is_server() const
  94   {
  95     return _is_server;
  96   }
  97
  98   const char *set_hostname(const char *str, size_t size);
  99
 100   const char *hostname() const
 101   {
 102     return _hostname;
 103   }
 104
 105   void abort(const char *, yytokentype, const char *);
 106   void error(const char *, yytokentype, const char* );
 107
 108   ~Context()
 109   {
 110     destroy_scanner();
 111     memc->state.is_parsing= false;
 112   }
 113
 114   yytokentype previous_token;
 115   void *scanner;
 116   const char *buf;
 117   const char *begin;
 118   size_t pos;
 119   size_t length;
 120   memcached_st *memc;
 121   memcached_return_t &rc;
 122
 123 protected:
 124   void init_scanner();
 125   void destroy_scanner();
 126
 127 private:
 128   bool _is_server;
 129   bool _end;
 130   char _hostname[NI_MAXHOST];
 131   bool _has_hash;
 132 };