54 lines
1.7 KiB
Swift
54 lines
1.7 KiB
Swift
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struct ImageCompareCommandProcessor: CommandProcessor {
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let commandType: ShorthandMarkdownKey = .imageCompare
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let content: Content
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let results: PageGenerationResults
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let language: ContentLanguage
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init(content: Content, results: PageGenerationResults, language: ContentLanguage) {
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self.content = content
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self.results = results
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self.language = language
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}
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func process(_ arguments: [String], markdown: Substring) -> String {
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guard arguments.count == 2 else {
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results.invalid(command: .imageCompare, markdown)
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return ""
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}
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let leftImageId = arguments[0]
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let rightImageId = arguments[1]
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guard let leftImage = content.image(leftImageId) else {
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results.missing(file: leftImageId, source: "Image compare")
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return ""
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}
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guard let rightImage = content.image(rightImageId) else {
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results.missing(file: rightImageId, source: "Image compare")
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return ""
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}
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let size = content.settings.pages.contentWidth
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let leftImageSet = leftImage.imageSet(
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width: size, height: size,
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language: language,
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extraAttributes: ImageCompare.extraAttributes)
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let rightImageSet = rightImage.imageSet(
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width: size, height: size,
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language: language,
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extraAttributes: ImageCompare.extraAttributes)
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results.require(imageSet: leftImageSet)
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results.require(imageSet: rightImageSet)
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results.require(icon: ImageCompare.requiredIcon)
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results.require(headers: .imageCompareJs, .imageCompareCss)
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return ImageCompare(left: leftImageSet, right: rightImageSet).content
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}
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}
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