xstring_insert.h

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// xstring_insert.h internal header

// Copyright (c) Microsoft Corporation. All rights reserved.

#pragma once

#ifndef _XSTRING_INSERT_H

#define _XSTRING_INSERT_H

#ifndef RC_INVOKED

#include <ostream>

#pragma pack(push,_CRT_PACKING)

#pragma pack(push,

8

)

#pragma warning(push,_STL_WARNING_LEVEL)

#pragma warning(push,

3

)

#pragma warning(disable: _STL_DISABLED_WARNINGS)

#pragma warning(disable:

4455

4494

4619

4643

4702

4984

4988

)

_STL_DISABLE_CLANG_WARNINGS

#pragma push_macro("new")

#undef new

_STD_BEGIN

namespace

std

{

template

<

class

_Elem

,

class

_Traits

,

class

_SizeT

>

inline

basic_ostream

<

_Elem

,

_Traits

>&

_Insert_string

(

basic_ostream

<

_Elem

,

_Traits

>&

_Ostr

,

const

_Elem

*

const

_Data

,

const

_SizeT

_Size

) {

// insert a character-type sequence into _Ostr as if through a basic_string copy

ios_base

::

iostate

_State

=

ios_base

::

goodbit

;

_SizeT

_Pad

=

_Ostr

.

width

() <=

0

||

static_cast

<

_SizeT

>(

_Ostr

.

width

()) <=

_Size

?

0

:

static_cast

<

_SizeT

>(

_Ostr

.

width

()) -

_Size

;

const

typename

basic_ostream

<

_Elem

,

_Traits

>::

sentry

_Ok

(

_Ostr

);

if

(!

_Ok

)

_State

|=

ios_base

::

badbit

;

else

{

// state okay, insert characters

_TRY_IO_BEGIN

try

{

if

((

_Ostr

.

flags

() &

ios_base

::

adjustfield

) !=

ios_base

::

left

)

for

(;

0

<

_Pad

; --

_Pad

)

// pad on left

if

(

_Traits

::eq_int_type(

_Traits

::eof(),

_Ostr

.

rdbuf

()->sputc(

_Ostr

.

fill

()))) {

// insertion failed, quit

_State

|=

ios_base

::

badbit

;

break

; }

if

(

_State

=

=

ios_base

::

goodbit

&&

_Ostr

.

rdbuf

()->sputn(

_Data

, (

streamsize

)

_Size

) != (

streamsize

)

_Size

)

_State

|=

ios_base

::

badbit

;

else

for

(;

0

<

_Pad

; --

_Pad

)

// pad on right

if

(

_Traits

::eq_int_type(

_Traits

::eof(),

_Ostr

.

rdbuf

()->sputc(

_Ostr

.

fill

()))) {

// insertion failed, quit

_State

|=

ios_base

::

badbit

;

break

; }

_Ostr

.

width

(

0

);

_CATCH_IO_(_Ostr)

}

catch

(...) { (

_Ostr

).

setstate

(

ios_base

::

badbit

,

true

); }

}

_Ostr

.

setstate

(

_State

);

return

(

_Ostr

); }

_STD_END

}

#pragma pop_macro("new")

_STL_RESTORE_CLANG_WARNINGS

#pragma warning(pop) #pragma pack(pop)

#endif /* RC_INVOKED */ #endif /* _XSTRING_INSERT_H */