120 lines
3.6 KiB
Julia
120 lines
3.6 KiB
Julia
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using Markdown
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## override HTML esc of strings
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Markdown.htmlinline(io::IO, md::AbstractString) = write(io, md)
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Base.show(io::IO, ::MIME"text/qmd", content) = Markdown.plain(io, content)
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## Hacky way to set *global* values for rendering
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## Expects title to be very first thing in a jmd file
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## Proper way would be to use https://quarto.org/docs/extensions/nbfilter.html
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function inject_code(io::IO)
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println(io, """
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```{julia}
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#| echo: false
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import Logging
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Logging.disable_logging(Logging.Info) # or e.g. Logging.Info
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Logging.disable_logging(Logging.Warn)
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import SymPy
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function Base.show(io::IO, ::MIME"text/html", x::T) where {T <: SymPy.SymbolicObject}
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println(io, "<span class=\\"math-left-align\\" style=\\"padding-left: 4px; width:0; float:left;\\"> ")
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println(io, "\\\\[")
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println(io, sympy.latex(x))
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println(io, "\\\\]")
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println(io, "</span>")
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end
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# hack to work around issue
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import Markdown
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import CalculusWithJulia
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function CalculusWithJulia.WeaveSupport.ImageFile(d::Symbol, f::AbstractString, caption; kwargs...)
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nm = joinpath("..", string(d), f)
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u = ""
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Markdown.parse(u)
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end
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nothing
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```
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""")
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end
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## Main function to take a jmd file and turn into an HTML
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function markdownToHTML(fname::AbstractString; TITLE="", kwargs...)
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dirnm, basenm = dirname(fname), basename(fname)
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newnm = replace(fname, r"[.].*" => ".html")
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out = jmd2qmd(fname; TITLE=TITLE, kwargs...)
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io = open(newnm, "w")
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write(io, out)
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close(io)
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end
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"""
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jmd2qmd(io, jmd_file)
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Convert `.jmd` file in `jmd_file` to a `.qmd` file, write output to `io`.
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## Rationale
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`.jmd` files have a slightly different Markdown syntax than expected by `.qmd` files. In particular:
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* code blocks use comments at the top of the file to add features like `echo=false`
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* admonitions use "callout" syntax
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* LaTeX uses dollar signs for delimeters, not double back tics or a `math` block
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"""
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function jmd2qmd(io::IO, jmd_file::AbstractString)
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out = Markdown.parse_file(jmd_file, flavor=Markdown.julia)
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for (i,content) in enumerate(out.content)
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i == 2 && inject_code(io) ## requires title to be *first*
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if isa(out.content[i], Markdown.Code)
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txt = content.code
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lang = content.language
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langs = filter(x -> length(x) > 0, (lstrip ∘ rstrip).(split(lang, ";")))
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if length(langs) > 0
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flavor = popfirst!(langs)
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println(io, "```{$flavor}")
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for option ∈ langs
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k, v = split(option, "=")
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println(io, "#| $k: $v")
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end
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println(io, txt)
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println(io, "```")
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else
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println(io, "```")
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println(io, txt)
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println(io, "```")
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end
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elseif isa(content, Markdown.LaTeX)
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println(io, '$', '$')
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println(io, content.formula)
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print(io, '$', '$')
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println(io)
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elseif isa(content, Markdown.Admonition)
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category = content.category
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if !(category ∈ ("note", "warning", "important", "tip", "caution"))
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category = "note"
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end
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println(io, ":::{.callout-$category}")
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println(io, "## $(content.title)")
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show(io, MIME("text/qmd"), content.content)
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println(io, "")
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println(io, ":::")
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else
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## we drill down
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#Markdown.html(io, content)
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#show(io, MIME("text/qmd"), content)
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Markdown.plain(io, content)
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println(io, "")
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end
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println(io, "")
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end
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end
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