57 lines
1.7 KiB
Swift
57 lines
1.7 KiB
Swift
//
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// RenderingBlock.swift
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// GeminiRenderer
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//
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// Created by Shadowfacts on 7/12/20.
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//
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import Foundation
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import GeminiFormat
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enum RenderingBlock: Equatable {
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case text(String)
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case link(URL, text: String?)
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case preformatted(String, alt: String?)
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case heading(String, level: Document.HeadingLevel)
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case unorderedListItem(String)
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case quote(String)
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}
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extension Document {
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var renderingBlocks: [RenderingBlock] {
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var blocks = [RenderingBlock]()
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var currentPreformatted: (text: String, alt: String?)?
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for line in self.lines {
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switch line {
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case let .preformattedToggle(alt: alt):
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if let (text, alt) = currentPreformatted {
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// drop last trailing newline
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let realText = String(text.dropLast(1))
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blocks.append(.preformatted(realText, alt: alt))
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currentPreformatted = nil
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} else {
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currentPreformatted = ("", alt: alt)
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}
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case let .preformattedText(text):
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currentPreformatted!.text += text
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currentPreformatted!.text += "\n"
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case let .text(text):
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blocks.append(.text(text))
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case let .link(url, text: text):
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blocks.append(.link(url, text: text))
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case let .heading(text, level: level):
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blocks.append(.heading(text, level: level))
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case let .unorderedListItem(text):
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blocks.append(.unorderedListItem(text))
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case let .quote(text):
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blocks.append(.quote(text))
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}
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}
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return blocks
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}
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}
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