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Extract EditedRangeSet to EditorCore package
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // | ||
| // NSRange.swift | ||
| // EditedRangeSet | ||
| // | ||
| // CotEditor | ||
| // https://coteditor.com | ||
| // | ||
| // Created by 1024jp on 2024-07-10. | ||
| // | ||
| // --------------------------------------------------------------------------- | ||
| // | ||
| // © 2024 1024jp | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| import Foundation | ||
| import StringBasics | ||
|
|
||
| extension Sequence<NSRange> { | ||
|
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| /// The range that contains all ranges. | ||
| var union: NSRange? { | ||
|
|
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| let ranges = self.filter { !$0.isNotFound } | ||
|
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| guard | ||
| let lowerBound = ranges.map(\.lowerBound).min(), | ||
| let upperBound = ranges.map(\.upperBound).max() | ||
| else { return nil } | ||
|
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| return NSRange(lowerBound..<upperBound) | ||
| } | ||
| } |
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47 changes: 47 additions & 0 deletions
47
Packages/EditorCore/Tests/EditedRangeSetTests/NSRangeTests.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // | ||
| // NSRangeTests.swift | ||
| // EditedRangeSetTests | ||
| // | ||
| // CotEditor | ||
| // https://coteditor.com | ||
| // | ||
| // Created by 1024jp on 2024-07-10. | ||
| // | ||
| // --------------------------------------------------------------------------- | ||
| // | ||
| // © 2024 1024jp | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // https://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| import Foundation | ||
| import Testing | ||
| @testable import EditedRangeSet | ||
|
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| struct NSRangeTests { | ||
|
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| @Test func union() throws { | ||
|
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| #expect([NSRange]().union == nil) | ||
| #expect([NSRange(location: NSNotFound, length: 0)].union == nil) | ||
| #expect([NSRange(0..<0)].union == NSRange(0..<0)) | ||
| #expect([NSRange(1..<1)].union == NSRange(1..<1)) | ||
| #expect([NSRange(1..<3)].union == NSRange(1..<3)) | ||
|
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| #expect([NSRange(1..<3), NSRange(2..<4)].union == NSRange(1..<4)) | ||
| #expect([NSRange(1..<3), NSRange(5..<9)].union == NSRange(1..<9)) | ||
| #expect([NSRange(5..<9), NSRange(1..<3)].union == NSRange(1..<9)) | ||
| #expect([NSRange(5..<100), NSRange(1..<3), NSRange(2..<3)].union == NSRange(1..<100)) | ||
| #expect([NSRange(5..<9), NSRange(location: NSNotFound, length: 0), NSRange(1..<3)].union == NSRange(1..<9)) | ||
| } | ||
| } |