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49 lines
1.2 KiB
Swift
49 lines
1.2 KiB
Swift
/**
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* Tae Won Ha - http://taewon.de - @hataewon
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* See LICENSE
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*/
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import Foundation
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import RxSwift
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// Currently supports only markdown
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class PreviewTransformer: Transformer {
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typealias Pair = StateActionPair<UuidState<MainWindow.State>, MainWindow.Action>
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static let basePath = "/tools/preview"
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static let saveFirstPath = "/tools/preview/save-first.html"
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static let errorPath = "/tools/preview/error.html"
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static let nonePath = "/tools/preview/empty.html"
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init(baseServerUrl: URL) {
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self.baseServerUrl = baseServerUrl
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}
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func transform(_ source: Observable<Pair>) -> Observable<Pair> {
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return source.map { pair in
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var state = pair.state.payload
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switch pair.action {
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case let .setCurrentBuffer(buffer):
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guard state.previewTool.isRefreshOnWrite else {
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return pair
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}
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state.preview = PreviewUtils.state(for: pair.state.uuid, baseUrl: self.baseServerUrl, buffer: buffer)
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case .close:
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state.preview = PreviewUtils.state(for: .none, baseUrl: self.baseServerUrl)
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default:
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return pair
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}
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return StateActionPair(state: UuidState(uuid: pair.state.uuid, state: state), action: pair.action)
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}
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}
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fileprivate let baseServerUrl: URL
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}
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