49 lines
2.7 KiB
Haskell
49 lines
2.7 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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module HTML (compileToHTML) where
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import Data.Maybe (fromMaybe)
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import qualified Data.Text as T
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import IR
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tshow :: (Show s) => s -> T.Text
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tshow = T.pack . show
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compileToHTML :: Document -> T.Text
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compileToHTML (Doc elements) = T.concat $ map elementToHTML elements
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elementToHTML :: Element -> T.Text
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elementToHTML (Heading (H {level, text})) = T.concat ["<h", tshow level, ">", serializeInlineToHTML text, "</h", tshow level, ">"]
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--
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elementToHTML (Code (C {language = m_language, code})) = T.concat ["<pre class=\"sourceCode ", language, "\"><code class=\"sourceCode ", language, "\">", code, "</code>"]
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where
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language = fromMaybe "" m_language
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elementToHTML (BlockQuote (Q elems)) = T.concat ["<blockquote>", serializeInlineToHTML elems, "</blockquote>"]
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elementToHTML (List (L {list_type = Ordered, items})) = T.concat ["<ol>", generateLiElems items, "</ol>"]
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elementToHTML (List (L {list_type = Unordered, items})) = T.concat ["<ul>", generateLiElems items, "</ul>"]
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elementToHTML (HTML (HTMLTag {html_content})) = html_content
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elementToHTML (Paragraph (P snippets)) = T.concat ["<p>", serializeInlineToHTML snippets, "</p>"]
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elementToHTML HorizontalRule = "<hr>"
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generateLiElems :: [ListItem] -> T.Text
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generateLiElems [] = ""
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generateLiElems (LI {content, children} : remainder) =
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T.concat
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[ "<li>",
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-- We assume child lists are stricly after our contents
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-- if they aren't this is fucked
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serializeInlineToHTML content,
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T.concat $ map (elementToHTML . List) children,
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"</li>",
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generateLiElems remainder
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]
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serializeInlineToHTML :: [InlineText] -> T.Text
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serializeInlineToHTML [] = ""
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serializeInlineToHTML (Text t : remaining) = t <> serializeInlineToHTML remaining
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serializeInlineToHTML (Bold elems : remaining) = T.concat ["<b>", serializeInlineToHTML elems, "</b>", serializeInlineToHTML remaining]
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serializeInlineToHTML (Italic elems : remaining) = T.concat ["<i>", serializeInlineToHTML elems, "</i>", serializeInlineToHTML remaining]
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serializeInlineToHTML (InlineCode code : remaining) = T.concat ["<code>", code, "</code>", serializeInlineToHTML remaining]
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serializeInlineToHTML (Link {linkText, url, title} : remaining) = T.concat ["<a href=\"", url, "\" ", maybe "" (\t -> T.concat ["title=\"", t, "\""]) title, "\">", serializeInlineToHTML linkText, "</a>", serializeInlineToHTML remaining]
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serializeInlineToHTML (Image {altText, url, title} : remaining) = T.concat ["<img src=\">", url, "\" alt=\"", altText, "\"", maybe "" (\t -> T.concat ["title=\"", t, "\""]) title, ">", serializeInlineToHTML remaining]
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serializeInlineToHTML (HTMLInline {inline_html_content} : remaining) = inline_html_content <> serializeInlineToHTML remaining
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