106 lines
4.1 KiB
Crystal
106 lines
4.1 KiB
Crystal
class ParagraphConverter
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include Nodes
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def convert(
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paragraphs : Array(PostResponse::Paragraph),
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gist_store : GistStore | RateLimitedGistStore
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) : Array(Child)
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if paragraphs.first?.nil?
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return [Empty.new] of Child
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else
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case paragraphs.first.type
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when PostResponse::ParagraphType::BQ
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = BlockQuote.new(children: children)
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when PostResponse::ParagraphType::H2
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = Heading1.new(children: children)
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when PostResponse::ParagraphType::H3
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = Heading2.new(children: children)
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when PostResponse::ParagraphType::H4
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = Heading3.new(children: children)
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when PostResponse::ParagraphType::IFRAME
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paragraph = paragraphs.shift
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node = EmbeddedConverter.convert(paragraph, gist_store)
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when PostResponse::ParagraphType::IMG
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paragraph = paragraphs.shift
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node = convert_img(paragraph)
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when PostResponse::ParagraphType::MIXTAPE_EMBED
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = MixtapeEmbed.new(children: children)
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when PostResponse::ParagraphType::OLI
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list_items = convert_oli(paragraphs)
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node = OrderedList.new(children: list_items)
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when PostResponse::ParagraphType::P
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = Paragraph.new(children: children)
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when PostResponse::ParagraphType::PQ
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = BlockQuote.new(children: children)
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when PostResponse::ParagraphType::PRE
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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node = Preformatted.new(children: children)
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when PostResponse::ParagraphType::SECTION_CAPTION
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# unused. just here to catch the type instead of implicitly going to the
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# else block
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paragraph = paragraphs.shift
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node = Empty.new
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when PostResponse::ParagraphType::ULI
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list_items = convert_uli(paragraphs)
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node = UnorderedList.new(children: list_items)
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else
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paragraphs.shift # so we don't recurse infinitely
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node = Empty.new
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end
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[node, convert(paragraphs, gist_store)].flatten.reject(&.empty?)
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end
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end
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private def convert_uli(paragraphs : Array(PostResponse::Paragraph)) : Array(Child)
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if paragraphs.first? && paragraphs.first.type.is_a?(PostResponse::ParagraphType::ULI)
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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[ListItem.new(children: children)] + convert_uli(paragraphs)
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else
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[] of Child
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end
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end
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private def convert_oli(paragraphs : Array(PostResponse::Paragraph)) : Array(Child)
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if paragraphs.first? && paragraphs.first.type.is_a?(PostResponse::ParagraphType::OLI)
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paragraph = paragraphs.shift
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children = MarkupConverter.convert(paragraph.text, paragraph.markups)
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[ListItem.new(children: children)] + convert_oli(paragraphs)
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else
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[] of Child
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end
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end
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private def convert_img(paragraph : PostResponse::Paragraph) : Child
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if metadata = paragraph.metadata
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caption_markup = MarkupConverter.convert(paragraph.text, paragraph.markups)
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Figure.new(children: [
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Image.new(
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src: metadata.id,
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originalWidth: metadata.originalWidth,
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originalHeight: metadata.originalHeight
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),
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FigureCaption.new(children: caption_markup),
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] of Child)
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else
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Empty.new
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end
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end
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end
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