Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
J
json
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Libraries
json
Commits
51ecc31d
Unverified
Commit
51ecc31d
authored
Aug 14, 2017
by
Théo DELRIEU
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
add detail/iterators/primitive_iterator.hpp
parent
9ea25685
Changes
3
Hide whitespace changes
Inline
Side-by-side
Showing
3 changed files
with
133 additions
and
117 deletions
+133
-117
Makefile
Makefile
+2
-1
src/detail/iterators/primitive_iterator.hpp
src/detail/iterators/primitive_iterator.hpp
+130
-0
src/json.hpp
src/json.hpp
+1
-116
No files found.
Makefile
View file @
51ecc31d
...
...
@@ -12,7 +12,8 @@ SRCS = ${SRCDIR}/json.hpp \
${SRCDIR}
/detail/conversions/to_json.hpp
\
${SRCDIR}
/detail/parsing/input_adapters.hpp
\
${SRCDIR}
/detail/parsing/lexer.hpp
\
${SRCDIR}
/detail/parsing/parser.hpp
${SRCDIR}
/detail/parsing/parser.hpp
\
${SRCDIR}
/detail/iterators/primitive_iterator.hpp
...
...
src/detail/iterators/primitive_iterator.hpp
0 → 100644
View file @
51ecc31d
#ifndef NLOHMANN_JSON_DETAIL_ITERATORS_PRIMITIVE_ITERATOR_HPP
#define NLOHMANN_JSON_DETAIL_ITERATORS_PRIMITIVE_ITERATOR_HPP
#include <cstddef>
#include <iosfwd>
#include <limits>
namespace
nlohmann
{
namespace
detail
{
/*
@brief an iterator for primitive JSON types
This class models an iterator for primitive JSON types (boolean, number,
string). It's only purpose is to allow the iterator/const_iterator classes
to "iterate" over primitive values. Internally, the iterator is modeled by
a `difference_type` variable. Value begin_value (`0`) models the begin,
end_value (`1`) models past the end.
*/
class
primitive_iterator_t
{
public:
using
difference_type
=
std
::
ptrdiff_t
;
constexpr
difference_type
get_value
()
const
noexcept
{
return
m_it
;
}
/// set iterator to a defined beginning
void
set_begin
()
noexcept
{
m_it
=
begin_value
;
}
/// set iterator to a defined past the end
void
set_end
()
noexcept
{
m_it
=
end_value
;
}
/// return whether the iterator can be dereferenced
constexpr
bool
is_begin
()
const
noexcept
{
return
m_it
==
begin_value
;
}
/// return whether the iterator is at end
constexpr
bool
is_end
()
const
noexcept
{
return
m_it
==
end_value
;
}
friend
constexpr
bool
operator
==
(
primitive_iterator_t
lhs
,
primitive_iterator_t
rhs
)
noexcept
{
return
lhs
.
m_it
==
rhs
.
m_it
;
}
friend
constexpr
bool
operator
<
(
primitive_iterator_t
lhs
,
primitive_iterator_t
rhs
)
noexcept
{
return
lhs
.
m_it
<
rhs
.
m_it
;
}
primitive_iterator_t
operator
+
(
difference_type
i
)
{
auto
result
=
*
this
;
result
+=
i
;
return
result
;
}
friend
constexpr
difference_type
operator
-
(
primitive_iterator_t
lhs
,
primitive_iterator_t
rhs
)
noexcept
{
return
lhs
.
m_it
-
rhs
.
m_it
;
}
friend
std
::
ostream
&
operator
<<
(
std
::
ostream
&
os
,
primitive_iterator_t
it
)
{
return
os
<<
it
.
m_it
;
}
primitive_iterator_t
&
operator
++
()
{
++
m_it
;
return
*
this
;
}
primitive_iterator_t
const
operator
++
(
int
)
{
auto
result
=
*
this
;
m_it
++
;
return
result
;
}
primitive_iterator_t
&
operator
--
()
{
--
m_it
;
return
*
this
;
}
primitive_iterator_t
const
operator
--
(
int
)
{
auto
result
=
*
this
;
m_it
--
;
return
result
;
}
primitive_iterator_t
&
operator
+=
(
difference_type
n
)
{
m_it
+=
n
;
return
*
this
;
}
primitive_iterator_t
&
operator
-=
(
difference_type
n
)
{
m_it
-=
n
;
return
*
this
;
}
private:
static
constexpr
difference_type
begin_value
=
0
;
static
constexpr
difference_type
end_value
=
begin_value
+
1
;
/// iterator as signed integer type
difference_type
m_it
=
(
std
::
numeric_limits
<
std
::
ptrdiff_t
>::
min
)();
};
}
}
#endif
src/json.hpp
View file @
51ecc31d
...
...
@@ -60,6 +60,7 @@ SOFTWARE.
#include "detail/parsing/input_adapters.hpp"
#include "detail/parsing/lexer.hpp"
#include "detail/parsing/parser.hpp"
#include "detail/iterators/primitive_iterator.hpp"
/*!
@brief namespace for Niels Lohmann
...
...
@@ -74,122 +75,6 @@ namespace detail
// iterators //
///////////////
/*!
@brief an iterator for primitive JSON types
This class models an iterator for primitive JSON types (boolean, number,
string). It's only purpose is to allow the iterator/const_iterator classes
to "iterate" over primitive values. Internally, the iterator is modeled by
a `difference_type` variable. Value begin_value (`0`) models the begin,
end_value (`1`) models past the end.
*/
class
primitive_iterator_t
{
public:
using
difference_type
=
std
::
ptrdiff_t
;
constexpr
difference_type
get_value
()
const
noexcept
{
return
m_it
;
}
/// set iterator to a defined beginning
void
set_begin
()
noexcept
{
m_it
=
begin_value
;
}
/// set iterator to a defined past the end
void
set_end
()
noexcept
{
m_it
=
end_value
;
}
/// return whether the iterator can be dereferenced
constexpr
bool
is_begin
()
const
noexcept
{
return
m_it
==
begin_value
;
}
/// return whether the iterator is at end
constexpr
bool
is_end
()
const
noexcept
{
return
m_it
==
end_value
;
}
friend
constexpr
bool
operator
==
(
primitive_iterator_t
lhs
,
primitive_iterator_t
rhs
)
noexcept
{
return
lhs
.
m_it
==
rhs
.
m_it
;
}
friend
constexpr
bool
operator
<
(
primitive_iterator_t
lhs
,
primitive_iterator_t
rhs
)
noexcept
{
return
lhs
.
m_it
<
rhs
.
m_it
;
}
primitive_iterator_t
operator
+
(
difference_type
i
)
{
auto
result
=
*
this
;
result
+=
i
;
return
result
;
}
friend
constexpr
difference_type
operator
-
(
primitive_iterator_t
lhs
,
primitive_iterator_t
rhs
)
noexcept
{
return
lhs
.
m_it
-
rhs
.
m_it
;
}
friend
std
::
ostream
&
operator
<<
(
std
::
ostream
&
os
,
primitive_iterator_t
it
)
{
return
os
<<
it
.
m_it
;
}
primitive_iterator_t
&
operator
++
()
{
++
m_it
;
return
*
this
;
}
primitive_iterator_t
const
operator
++
(
int
)
{
auto
result
=
*
this
;
m_it
++
;
return
result
;
}
primitive_iterator_t
&
operator
--
()
{
--
m_it
;
return
*
this
;
}
primitive_iterator_t
const
operator
--
(
int
)
{
auto
result
=
*
this
;
m_it
--
;
return
result
;
}
primitive_iterator_t
&
operator
+=
(
difference_type
n
)
{
m_it
+=
n
;
return
*
this
;
}
primitive_iterator_t
&
operator
-=
(
difference_type
n
)
{
m_it
-=
n
;
return
*
this
;
}
private:
static
constexpr
difference_type
begin_value
=
0
;
static
constexpr
difference_type
end_value
=
begin_value
+
1
;
/// iterator as signed integer type
difference_type
m_it
=
(
std
::
numeric_limits
<
std
::
ptrdiff_t
>::
min
)();
};
/*!
@brief an iterator value
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment