CHGenerator/Sources/Generator/Generators/HTMLElementsGenerator.swift

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Swift
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import Foundation
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typealias SVGSelection = (x: Int, y: Int, width: Int, height: Int)
struct HTMLElementsGenerator {
func make(title: String, suffix: String) -> String {
"\(title)<span class=\"suffix\">\(suffix)</span>"
}
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func topBarWebsiteTitle(language: String, from page: Element) -> String {
guard let pathToRoot = page.pathToRoot else {
return Element.htmlPageName(for: language)
}
return pathToRoot + Element.htmlPagePathAddition(for: language)
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}
func topBarLanguageButton(_ language: String) -> String {
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"<a href=\"\(Element.htmlPageName(for: language))\">\(language)</a>"
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}
func topBarNavigationLink(url: String, text: String, isActive: Bool) -> String {
"<a\(isActive ? " class=\"active\"" : "") href=\"/\(url)\">\(text)</a>"
}
func linkPreviewImage(file: String) -> String {
"<meta property=\"og:image\" content=\"\(file)\" />"
}
func makePrevText(_ text: String) -> String {
"<span class=\"icon-back\"></span>\(text)"
}
func makeNextText(_ text: String) -> String {
"\(text)<span class=\"icon-next\"></span>"
}
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func image(file: String, width: Int, height: Int, altText: String) -> String {
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let ratio = Float(width) / Float(height)
return """
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<span class="image">
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<img src="\(file)" loading="lazy" style="aspect-ratio:\(ratio)" alt="\(altText)"/>
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</span>
"""
}
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func svgImage(file: String, part: SVGSelection, altText: String) -> String {
let path = "\(file)#svgView(viewBox(\(part.x), \(part.y), \(part.width), \(part.height)))"
return image(file: path, width: part.width, height: part.height, altText: altText)
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}
func downloadButtons(_ buttons: [(file: String, text: String, downloadName: String?)]) -> String {
let content = buttons.map {
if let download = $0.downloadName {
return button(file: $0.file, text: $0.text, downloadName: download)
} else {
return button(file: $0.file, text: $0.text)
}
}.joined(separator: "\n")
return flexParagraph(content)
}
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func externalButtons(_ buttons: [(url: String, text: String)]) -> String {
let content = buttons
.map { externalLink(url: $0.url, text: $0.text) }
.joined(separator: "\n")
return flexParagraph(content)
}
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private func flexParagraph(_ content: String) -> String {
"""
<p style="display: flex">
\(content)
</p>
"""
}
private func button(file: String, text: String) -> String {
"""
<a class="download-button" href="\(file)">
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\(text)<span class="icon icon-download"></span>
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</a>
"""
}
private func button(file: String, text: String, downloadName: String) -> String {
"""
<a class="download-button" href="\(file)" download="\(downloadName)">
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\(text)<span class="icon icon-download"></span>
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</a>
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"""
}
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private func externalLink(url: String, text: String) -> String {
"""
<a class="download-button" href="\(url)">
\(text)<span class="icon icon-download icon-rotate"></span>
</a>
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"""
}
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func scriptInclude(path: String, asModule: Bool) -> String {
if asModule {
return "<script type=\"module\" src=\"\(path)\"></script>"
}
return "<script src=\"\(path)\"></script>"
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}
func codeHighlightFooter() -> String {
"<script>hljs.highlightAll();</script>"
}
}