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cpp_redis/src/cpp_redis/core/reply.cpp at develop · cpp-redis/cpp_redis · GitHub
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cpp_redis
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core
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reply.cpp
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cpp_redis
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src
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cpp_redis
/
core
/
reply.cpp
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//
The MIT License (MIT)
//
//
Copyright (c) 2015-2017 Simon Ninon <simon.ninon@gmail.com>
//
//
Permission is hereby granted, free of charge, to any person obtaining a copy
//
of this software and associated documentation files (the "Software"), to deal
//
in the Software without restriction, including without limitation the rights
//
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//
copies of the Software, and to permit persons to whom the Software is
//
furnished to do so, subject to the following conditions:
//
//
The above copyright notice and this permission notice shall be included in
//
all copies or substantial portions of the Software.
//
//
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//
FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
//
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//
SOFTWARE.
#
include
<
cpp_redis/core/reply.hpp
>
#
include
<
cpp_redis/misc/error.hpp
>
#
include
<
cpp_redis/misc/logger.hpp
>
namespace
cpp_redis
{
reply::reply
() : m_type(type::null) {}
reply::reply
(
const
string_t
&value, string_type reply_type)
: m_type(
static_cast
<type>(reply_type)), m_str_val(value) {}
reply::reply
(
int_t
value) : m_type(type::integer), m_int_val(value) {}
reply::reply
(
const
std::vector<reply> &rows)
: m_type(type::array), m_rows(rows) {}
reply::reply
(reply &&other)
noexcept
{
m_type = other.
m_type
;
m_rows =
std::move
(other.
m_rows
);
m_str_val =
std::move
(other.
m_str_val
);
m_int_val = other.
m_int_val
;
}
optional_t
<
int_t
>
reply::try_get_int
()
const
{
if
(
is_integer
())
return
optional_t
<
int_t
>(m_int_val);
__CPP_REDIS_LOG
(
1
,
"
Reply is not an integer
"
);
return
{
0
};
}
reply &reply::
operator
=(reply &&other)
noexcept
{
if
(
this
!= &other) {
m_type = other.
m_type
;
m_rows =
std::move
(other.
m_rows
);
m_str_val =
std::move
(other.
m_str_val
);
m_int_val = other.
m_int_val
;
}
return
*
this
;
}
bool
reply::ok
()
const
{
return
!
is_error
(); }
bool
reply::ko
()
const
{
return
!
ok
(); }
const
string_t
&
reply::error
()
const
{
if
(!
is_error
())
throw
cpp_redis::redis_error
(
"
Reply is not an error
"
);
return
as_string
();
}
reply::
operator
bool
()
const
{
return
!
is_error
() && !
is_null
(); }
void
reply::set
() { m_type = type::null; }
void
reply::set
(
const
string_t
&value, string_type reply_type) {
m_type =
static_cast
<type>(reply_type);
m_str_val = value;
}
void
reply::set
(
int_t
value) {
m_type = type::integer;
m_int_val = value;
}
void
reply::set
(
const
std::vector<reply> &rows) {
m_type = type::array;
m_rows = rows;
}
reply &reply::
operator
<<(
const
reply &reply) {
m_type = type::array;
m_rows.
push_back
(reply);
return
*
this
;
}
bool
reply::is_array
()
const
{
return
m_type == type::array; }
bool
reply::is_string
()
const
{
return
is_simple_string
() ||
is_bulk_string
() ||
is_error
();
}
bool
reply::is_simple_string
()
const
{
return
m_type == type::simple_string; }
bool
reply::is_bulk_string
()
const
{
return
m_type == type::bulk_string; }
bool
reply::is_error
()
const
{
return
m_type == type::error; }
bool
reply::is_integer
()
const
{
return
m_type == type::integer; }
bool
reply::is_null
()
const
{
return
m_type == type::null; }
const
std::vector<reply> &
reply::as_array
()
const
{
if
(!
is_array
())
throw
cpp_redis::redis_error
(
"
Reply is not an array
"
);
return
m_rows;
}
const
string_t
&
reply::as_string
()
const
{
if
(!
is_string
())
throw
cpp_redis::redis_error
(
"
Reply is not a string
"
);
return
m_str_val;
}
int_t
reply::as_integer
()
const
{
if
(!
is_integer
())
throw
cpp_redis::redis_error
(
"
Reply is not an integer
"
);
return
m_int_val;
}
reply::type
reply::get_type
()
const
{
return
m_type; }
}
//
namespace cpp_redis
std::ostream &
operator
<<(std::ostream &os,
const
cpp_redis::
reply_t
&reply) {
switch
(reply.
get_type
()) {
case
cpp_redis::reply::type::error:
os << reply.
error
();
break
;
case
cpp_redis::reply::type::bulk_string:
os << reply.
as_string
();
break
;
case
cpp_redis::reply::type::simple_string:
os << reply.
as_string
();
break
;
case
cpp_redis::reply::type::null:
os <<
cpp_redis::string_t
(
"
(nil)
"
);
break
;
case
cpp_redis::reply::type::integer:
os << reply.
as_integer
();
break
;
case
cpp_redis::reply::type::array:
for
(
const
auto
&item : reply.
as_array
())
os << item;
break
;
}
return
os;
}
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