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| 1 | //===----------------------------------------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef _LIBCPP___LOCALE_DIR_PAD_AND_OUTPUT_H |
| 10 | #define _LIBCPP___LOCALE_DIR_PAD_AND_OUTPUT_H |
| 11 | |
| 12 | #include <__config> |
| 13 | |
| 14 | #if _LIBCPP_HAS_LOCALIZATION |
| 15 | |
| 16 | # include <ios> |
| 17 | |
| 18 | # if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 19 | # pragma GCC system_header |
| 20 | # endif |
| 21 | |
| 22 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 23 | |
| 24 | template <class _CharT, class _OutputIterator> |
| 25 | _LIBCPP_HIDE_FROM_ABI _OutputIterator __pad_and_output( |
| 26 | _OutputIterator __s, const _CharT* __ob, const _CharT* __op, const _CharT* __oe, ios_base& __iob, _CharT __fl) { |
| 27 | streamsize __sz = __oe - __ob; |
| 28 | streamsize __ns = __iob.width(); |
| 29 | if (__ns > __sz) |
| 30 | __ns -= __sz; |
| 31 | else |
| 32 | __ns = 0; |
| 33 | for (; __ob < __op; ++__ob, ++__s) |
| 34 | *__s = *__ob; |
| 35 | for (; __ns; --__ns, ++__s) |
| 36 | *__s = __fl; |
| 37 | for (; __ob < __oe; ++__ob, ++__s) |
| 38 | *__s = *__ob; |
| 39 | __iob.width(0); |
| 40 | return __s; |
| 41 | } |
| 42 | |
| 43 | template <class _CharT, class _Traits> |
| 44 | _LIBCPP_HIDE_FROM_ABI ostreambuf_iterator<_CharT, _Traits> __pad_and_output( |
| 45 | ostreambuf_iterator<_CharT, _Traits> __s, |
| 46 | const _CharT* __ob, |
| 47 | const _CharT* __op, |
| 48 | const _CharT* __oe, |
| 49 | ios_base& __iob, |
| 50 | _CharT __fl) { |
| 51 | if (__s.__sbuf_ == nullptr) |
| 52 | return __s; |
| 53 | streamsize __sz = __oe - __ob; |
| 54 | streamsize __ns = __iob.width(); |
| 55 | if (__ns > __sz) |
| 56 | __ns -= __sz; |
| 57 | else |
| 58 | __ns = 0; |
| 59 | streamsize __np = __op - __ob; |
| 60 | if (__np > 0) { |
| 61 | if (__s.__sbuf_->sputn(__ob, __np) != __np) { |
| 62 | __s.__sbuf_ = nullptr; |
| 63 | return __s; |
| 64 | } |
| 65 | } |
| 66 | if (__ns > 0) { |
| 67 | basic_string<_CharT, _Traits> __sp(__ns, __fl); |
| 68 | if (__s.__sbuf_->sputn(__sp.data(), __ns) != __ns) { |
| 69 | __s.__sbuf_ = nullptr; |
| 70 | return __s; |
| 71 | } |
| 72 | } |
| 73 | __np = __oe - __op; |
| 74 | if (__np > 0) { |
| 75 | if (__s.__sbuf_->sputn(__op, __np) != __np) { |
| 76 | __s.__sbuf_ = nullptr; |
| 77 | return __s; |
| 78 | } |
| 79 | } |
| 80 | __iob.width(0); |
| 81 | return __s; |
| 82 | } |
| 83 | |
| 84 | _LIBCPP_END_NAMESPACE_STD |
| 85 | |
| 86 | #endif // _LIBCPP_HAS_LOCALIZATION |
| 87 | |
| 88 | #endif // _LIBCPP___LOCALE_DIR_PAD_AND_OUTPUT_H |
| 89 |
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