CHGenerator/Sources/Generator/Generators/PageGenerator.swift
2022-09-09 11:18:32 +02:00

89 lines
3.6 KiB
Swift

import Foundation
import Ink
struct PageGenerator {
struct NavigationLink {
let link: String
let text: String
}
private let factory: LocalizedSiteTemplate
init(factory: LocalizedSiteTemplate) {
self.factory = factory
}
func generate(page: Element, language: String, nextPage: NavigationLink?, previousPage: NavigationLink?) {
guard !page.isExternalPage else {
return
}
let path = page.fullPageUrl(for: language)
let inputContentPath = page.path + "/\(language).md"
let metadata = page.localized(for: language)
let nextLanguage = page.nextLanguage(for: language)
let (pageContent, pageIncludesCode, pageIsEmpty) = makeContent(
page: page, metadata: metadata, language: language, path: inputContentPath)
var content = [PageTemplate.Key : String]()
content[.head] = factory.pageHead.generate(page: page, language: language, includesCode: pageIncludesCode)
let sectionUrl = page.sectionUrl(for: language)
content[.topBar] = factory.topBar.generate(sectionUrl: sectionUrl, languageButton: nextLanguage, page: page)
content[.contentClass] = "content"
content[.header] = makeHeader(page: page, metadata: metadata, language: language)
content[.content] = pageContent
content[.previousPageLinkText] = previousPage.unwrapped { factory.factory.html.makePrevText($0.text) }
content[.previousPageUrl] = previousPage?.link
content[.nextPageLinkText] = nextPage.unwrapped { factory.factory.html.makeNextText($0.text) }
content[.nextPageUrl] = nextPage?.link
content[.footer] = page.customFooterContent()
if pageIncludesCode {
let highlightCode = factory.factory.html.codeHighlightFooter()
content[.footer] = (content[.footer].unwrapped { $0 + "\n" } ?? "") + highlightCode
}
let url = files.urlInOutputFolder(path)
if page.state == .draft {
files.isDraft(path: page.path)
} else if pageIsEmpty, page.state != .hidden {
files.isEmpty(page: path)
}
guard factory.page.generate(content, to: url) else {
return
}
files.generated(page: path)
}
private func makeContent(page: Element, metadata: Element.LocalizedMetadata, language: String, path: String) -> (content: String, includesCode: Bool, isEmpty: Bool) {
let create = configuration.createMdFilesIfMissing
if let raw = files.contentOfOptionalFile(atPath: path, source: page.path, createEmptyFileIfMissing: create)?
.trimmed.nonEmpty {
let (content, includesCode) = PageContentGenerator(factory: factory.factory)
.generate(page: page, language: language, content: raw)
return (content, includesCode, false)
} else {
let (content, includesCode) = PageContentGenerator(factory: factory.factory)
.generate(page: page, language: language, content: metadata.placeholderText)
let placeholder = factory.makePlaceholder(title: metadata.placeholderTitle, text: content)
return (placeholder, includesCode, true)
}
}
private func makeHeader(page: Element, metadata: Element.LocalizedMetadata, language: String) -> String? {
let content = factory.makeHeaderContent(page: page, metadata: metadata, language: language)
switch page.headerType {
case .none:
return nil
case .left:
return factory.factory.leftHeader.generate(content)
case .center:
return factory.factory.centeredHeader.generate(content)
}
}
}