mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-23 21:25:49 +00:00
fix algorithm: copy for InputIterator
This commit is contained in:
bolero-MURAKAMI
parent
72fe72a623
commit
6ae41ef6de
4 changed files with 443 additions and 4 deletions
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@ -101,6 +101,249 @@ namespace testspr {
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array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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));
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}
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// [2 .. 8) の範囲をコピー
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_input(sprout::begin(arr1) + 2),
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testspr::reduct_input(sprout::begin(arr1) + 8),
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arr2
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 10>{{3, 4, 5, 6, 7, 8, 0, 0, 0, 0}}
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));
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}
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// !!!
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// {
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// SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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// testspr::reduct_input(sprout::begin(arr1) + 2),
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// testspr::reduct_input(sprout::begin(arr1) + 8),
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// arr2
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// );
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// TESTSPR_BOTH_ASSERT(testspr::equal(
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// copied,
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// array<int, 6>{{3, 4, 5, 6, 7, 8}}
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// ));
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// }
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// [2 .. 8) の範囲をコピー
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// 出力範囲をオーバーする場合
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_input(sprout::begin(arr1) + 2),
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testspr::reduct_input(sprout::begin(arr1) + 8),
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arr3
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 4>{{3, 4, 5, 6}}
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));
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}
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// !!!
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// {
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// SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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// testspr::reduct_input(sprout::begin(arr1) + 2),
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// testspr::reduct_input(sprout::begin(arr1) + 8),
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// arr3
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// );
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// TESTSPR_BOTH_ASSERT(testspr::equal(
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// copied,
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// array<int, 4>{{3, 4, 5, 6}}
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// ));
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// }
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// [2 .. 8) の範囲をコピー
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// 出力範囲の切り出し
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_input(sprout::begin(arr1) + 2),
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testspr::reduct_input(sprout::begin(arr1) + 8),
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sprout::sub(arr2, 2, 8)
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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TESTSPR_BOTH_ASSERT(testspr::equal(
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sprout::get_internal(copied),
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array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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));
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}
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// !!!
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// {
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// SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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// testspr::reduct_input(sprout::begin(arr1) + 2),
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// testspr::reduct_input(sprout::begin(arr1) + 8),
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// sprout::sub(arr2, 2, 8)
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// );
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// TESTSPR_BOTH_ASSERT(testspr::equal(
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// copied,
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// array<int, 6>{{3, 4, 5, 6, 7, 8}}
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// ));
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// TESTSPR_BOTH_ASSERT(testspr::equal(
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// sprout::get_internal(copied),
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// array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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// ));
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// }
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// [2 .. 8) の範囲をコピー
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_forward(sprout::begin(arr1) + 2),
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testspr::reduct_forward(sprout::begin(arr1) + 8),
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arr2
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 10>{{3, 4, 5, 6, 7, 8, 0, 0, 0, 0}}
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));
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}
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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testspr::reduct_forward(sprout::begin(arr1) + 2),
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testspr::reduct_forward(sprout::begin(arr1) + 8),
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arr2
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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}
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// [2 .. 8) の範囲をコピー
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// 出力範囲をオーバーする場合
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_forward(sprout::begin(arr1) + 2),
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testspr::reduct_forward(sprout::begin(arr1) + 8),
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arr3
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 4>{{3, 4, 5, 6}}
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));
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}
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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testspr::reduct_forward(sprout::begin(arr1) + 2),
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testspr::reduct_forward(sprout::begin(arr1) + 8),
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arr3
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 4>{{3, 4, 5, 6}}
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));
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}
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// [2 .. 8) の範囲をコピー
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// 出力範囲の切り出し
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_forward(sprout::begin(arr1) + 2),
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testspr::reduct_forward(sprout::begin(arr1) + 8),
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sprout::sub(arr2, 2, 8)
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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TESTSPR_BOTH_ASSERT(testspr::equal(
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sprout::get_internal(copied),
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array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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));
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}
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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testspr::reduct_forward(sprout::begin(arr1) + 2),
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testspr::reduct_forward(sprout::begin(arr1) + 8),
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sprout::sub(arr2, 2, 8)
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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TESTSPR_BOTH_ASSERT(testspr::equal(
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sprout::get_internal(copied),
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array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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));
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}
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// [2 .. 8) の範囲をコピー
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_random_access(sprout::begin(arr1) + 2),
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testspr::reduct_random_access(sprout::begin(arr1) + 8),
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arr2
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 10>{{3, 4, 5, 6, 7, 8, 0, 0, 0, 0}}
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));
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}
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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testspr::reduct_random_access(sprout::begin(arr1) + 2),
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testspr::reduct_random_access(sprout::begin(arr1) + 8),
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arr2
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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}
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// [2 .. 8) の範囲をコピー
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// 出力範囲をオーバーする場合
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_random_access(sprout::begin(arr1) + 2),
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testspr::reduct_random_access(sprout::begin(arr1) + 8),
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arr3
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 4>{{3, 4, 5, 6}}
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));
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}
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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testspr::reduct_random_access(sprout::begin(arr1) + 2),
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testspr::reduct_random_access(sprout::begin(arr1) + 8),
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arr3
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 4>{{3, 4, 5, 6}}
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));
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}
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// [2 .. 8) の範囲をコピー
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// 出力範囲の切り出し
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::copy(
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testspr::reduct_random_access(sprout::begin(arr1) + 2),
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testspr::reduct_random_access(sprout::begin(arr1) + 8),
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sprout::sub(arr2, 2, 8)
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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TESTSPR_BOTH_ASSERT(testspr::equal(
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sprout::get_internal(copied),
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array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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));
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}
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{
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SPROUT_STATIC_CONSTEXPR auto copied = sprout::fit::copy(
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testspr::reduct_random_access(sprout::begin(arr1) + 2),
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testspr::reduct_random_access(sprout::begin(arr1) + 8),
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sprout::sub(arr2, 2, 8)
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);
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TESTSPR_BOTH_ASSERT(testspr::equal(
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copied,
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array<int, 6>{{3, 4, 5, 6, 7, 8}}
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));
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TESTSPR_BOTH_ASSERT(testspr::equal(
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sprout::get_internal(copied),
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array<int, 10>{{0, 0, 3, 4, 5, 6, 7, 8, 0, 0}}
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));
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}
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}
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}
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} // namespace testspr
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@ -16,6 +16,7 @@
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#include <sprout/container/functions.hpp>
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#include <sprout/container/indexes.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/iterator/next_iterator.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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#include <sprout/pit/pit.hpp>
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#include <sprout/math/comparison.hpp>
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@ -63,7 +64,7 @@ namespace sprout {
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sprout::container_traits<Result>::static_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type
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copy_impl(
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copy_impl_fw(
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InputIterator, InputIterator, Result const& result,
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typename sprout::container_traits<Result>::size_type,
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Args const&... args
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@ -76,14 +77,14 @@ namespace sprout {
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sprout::container_traits<Result>::static_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type
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copy_impl(
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copy_impl_fw(
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InputIterator first, InputIterator last, Result const& result,
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typename sprout::container_traits<Result>::size_type size,
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Args const&... args
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)
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{
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return first != last && sizeof...(Args) < size
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? sprout::fixed::detail::copy_impl(sprout::next(first), last, result, size, args..., *first)
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? sprout::fixed::detail::copy_impl_fw(sprout::next(first), last, result, size, args..., *first)
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: sprout::detail::container_complate(result, args...)
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;
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}
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@ -91,10 +92,67 @@ namespace sprout {
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inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
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copy(
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InputIterator first, InputIterator last, Result const& result,
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std::forward_iterator_tag*
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)
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{
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return sprout::fixed::detail::copy_impl_fw(first, last, result, sprout::size(result));
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}
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template<typename InputIterator, typename Result, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size == sizeof...(Args) + 1,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type
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copy_impl_in(
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sprout::next_iterator<InputIterator> const& first, InputIterator, Result const& result,
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typename sprout::container_traits<Result>::size_type,
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Args const&... args
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)
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{
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return sprout::remake<Result>(result, sprout::size(result), args..., *first);
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}
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template<typename InputIterator, typename Result, typename... Args>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size != sizeof...(Args) + 1,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type
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copy_impl_in(
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sprout::next_iterator<InputIterator> const& first, InputIterator last, Result const& result,
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typename sprout::container_traits<Result>::size_type size,
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Args const&... args
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)
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{
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return first.base() != last && sizeof...(Args) + 1 < size
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? sprout::fixed::detail::copy_impl_in(sprout::next(first), last, result, size, args..., *first)
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: sprout::detail::container_complate(result, args..., *first)
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;
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}
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template<typename InputIterator, typename Result>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size == 0,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type
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copy(
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InputIterator, InputIterator, Result const& result,
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std::input_iterator_tag*
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)
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{
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return sprout::fixed::detail::copy_impl(first, last, result, sprout::size(result));
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return sprout::remake<Result>(result, sprout::size(result));
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}
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template<typename InputIterator, typename Result>
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inline SPROUT_CONSTEXPR typename std::enable_if<
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sprout::container_traits<Result>::static_size != 0,
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type
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copy(
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InputIterator first, InputIterator last, Result const& result,
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std::input_iterator_tag*
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)
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{
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return first != last
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? sprout::fixed::detail::copy_impl_in(sprout::make_next_iterator(first), last, result, sprout::size(result))
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: sprout::detail::container_complate(result)
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;
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}
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template<typename InputIterator, typename Result>
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@ -33,5 +33,6 @@
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#include <sprout/iterator/size_enum_iterator.hpp>
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#include <sprout/iterator/bytes_iterator.hpp>
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#include <sprout/iterator/remake_iterator.hpp>
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#include <sprout/iterator/next_iterator.hpp>
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#endif // #ifndef SPROUT_ITERATOR_ADAPTOR_HPP
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137
sprout/iterator/next_iterator.hpp
Normal file
137
sprout/iterator/next_iterator.hpp
Normal file
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@ -0,0 +1,137 @@
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/*=============================================================================
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Copyright (c) 2011-2013 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_ITERATOR_NEXT_ITERATOR_HPP
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#define SPROUT_ITERATOR_NEXT_ITERATOR_HPP
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#include <iterator>
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#include <utility>
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#include <sprout/config.hpp>
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#include <sprout/iterator/next.hpp>
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#include <sprout/utility/value_holder/value_holder.hpp>
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#include <sprout/utility/swap.hpp>
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namespace sprout {
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//
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// next_iterator
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//
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template<typename Iterator>
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struct next_iterator
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: public std::iterator<
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std::forward_iterator_tag,
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typename std::iterator_traits<Iterator>::value_type,
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typename std::iterator_traits<Iterator>::difference_type,
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typename std::iterator_traits<Iterator>::pointer,
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typename std::iterator_traits<Iterator>::reference
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>
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{
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public:
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typedef Iterator iterator_type;
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typedef std::forward_iterator_tag iterator_category;
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typedef typename std::iterator_traits<iterator_type>::value_type value_type;
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typedef typename std::iterator_traits<iterator_type>::difference_type difference_type;
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typedef typename std::iterator_traits<iterator_type>::pointer pointer;
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typedef typename std::iterator_traits<iterator_type>::reference reference;
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private:
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typedef sprout::value_holder<reference> holder_type;
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private:
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holder_type holder_;
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protected:
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iterator_type current;
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public:
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next_iterator() = default;
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SPROUT_CONSTEXPR next_iterator(next_iterator const& other)
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: holder_(other.holder_), current(other.current)
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{}
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SPROUT_CONSTEXPR next_iterator(iterator_type it)
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: holder_(*it), current(sprout::next(it))
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{}
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template<typename U>
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SPROUT_CONSTEXPR next_iterator(next_iterator<U> const& it)
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: holder_(*it), current(it.base())
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{}
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template<typename U>
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next_iterator& operator=(next_iterator<U> const& it) {
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next_iterator temp(it);
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temp.swap(*this);
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return *this;
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}
|
||||
SPROUT_CONSTEXPR iterator_type base() const {
|
||||
return current;
|
||||
}
|
||||
SPROUT_CONSTEXPR reference operator*() const {
|
||||
return *holder_;
|
||||
}
|
||||
SPROUT_CONSTEXPR pointer operator->() const {
|
||||
return &*(*this);
|
||||
}
|
||||
next_iterator& operator++() {
|
||||
holder_ = holder_type(*current);
|
||||
++current;
|
||||
return *this;
|
||||
}
|
||||
next_iterator operator++(int) {
|
||||
next_iterator result(*this);
|
||||
holder_ = holder_type(*current);
|
||||
++current;
|
||||
return result;
|
||||
}
|
||||
SPROUT_CONSTEXPR next_iterator next() const {
|
||||
return next_iterator(current);
|
||||
}
|
||||
void swap(next_iterator& other)
|
||||
SPROUT_NOEXCEPT_EXPR(
|
||||
SPROUT_NOEXCEPT_EXPR(swap(holder_, other.holder_)) && SPROUT_NOEXCEPT_EXPR(swap(current, other.current))
|
||||
)
|
||||
{
|
||||
swap(holder_, other.holder_);
|
||||
swap(current, other.current);
|
||||
}
|
||||
};
|
||||
|
||||
template<typename Iterator1, typename Iterator2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator==(sprout::next_iterator<Iterator1> const& lhs, sprout::next_iterator<Iterator2> const& rhs) {
|
||||
return lhs.base() == rhs.base();
|
||||
}
|
||||
template<typename Iterator1, typename Iterator2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator!=(sprout::next_iterator<Iterator1> const& lhs, sprout::next_iterator<Iterator2> const& rhs) {
|
||||
return !(lhs == rhs);
|
||||
}
|
||||
|
||||
//
|
||||
// make_next_iterator
|
||||
//
|
||||
template<typename Iterator>
|
||||
inline SPROUT_CONSTEXPR sprout::next_iterator<Iterator>
|
||||
make_next_iterator(Iterator it) {
|
||||
return sprout::next_iterator<Iterator>(it);
|
||||
}
|
||||
|
||||
//
|
||||
// swap
|
||||
//
|
||||
template<typename Iterator>
|
||||
inline void
|
||||
swap(sprout::next_iterator<Iterator>& lhs, sprout::next_iterator<Iterator>& rhs)
|
||||
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)))
|
||||
{
|
||||
lhs.swap(rhs);
|
||||
}
|
||||
|
||||
//
|
||||
// iterator_next
|
||||
//
|
||||
template<typename Iterator>
|
||||
inline SPROUT_CONSTEXPR sprout::next_iterator<Iterator>
|
||||
iterator_next(sprout::next_iterator<Iterator> const& it) {
|
||||
return it.next();
|
||||
}
|
||||
} // namespace sprout
|
||||
|
||||
#endif // #ifndef SPROUT_ITERATOR_NEXT_ITERATOR_HPP
|
||||
Loading…
Reference in a new issue