sile-typesetter / sile / 7242393151

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34.38
/packages/verbatim/init.lua
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local base = require("packages.base")
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local package = pl.class(base)




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package._name = "verbatim"




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function package:registerCommands ()




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  self:registerCommand("verbatim:font", function (options, content)




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    options.family = options.family or "Hack"




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    options.size = options.size or SILE.settings:get("font.size") - 3




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    SILE.call("font", options, content)




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  end, "The font chosen for the verbatim environment")




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  self:registerCommand("verbatim", function (_, content)




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    SILE.typesetter:pushVglue(6)




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    SILE.typesetter:leaveHmode()




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    SILE.settings:temporarily(function()




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      SILE.settings:set("typesetter.parseppattern", "\n")




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      SILE.settings:set("typesetter.obeyspaces", true)




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      SILE.settings:set("document.rskip", SILE.nodefactory.glue("0 plus 10000pt"))




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      SILE.settings:set("document.parindent", SILE.nodefactory.glue("0"))




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      SILE.settings:set("document.baselineskip", SILE.nodefactory.vglue("0"))




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      SILE.settings:set("document.lineskip", SILE.nodefactory.vglue("2pt"))




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      SILE.call("verbatim:font")




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      SILE.settings:set("document.spaceskip", SILE.length("1spc"))




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      SILE.settings:set("shaper.variablespaces", false)




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      SILE.settings:set("document.language", "und")




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      SILE.process(content)




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    end)










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    SILE.typesetter:leaveHmode()




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  end, "Typesets its contents in a monospaced font.")




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  self:registerCommand("obeylines", function (_, content)




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    SILE.settings:temporarily(function()




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      SILE.settings:set("typesetter.parseppattern", "\n")




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      SILE.process(content)




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    end)










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  end)










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end










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package.documentation = [[










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\begin{document}










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The \autodoc:package{verbatim} package is useful when quoting pieces of computer code and other text for which formatting is significant.










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It changes SILE’s settings so that text is set ragged right, with no hyphenation, no indentation and regular spacing.










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It tells SILE to honor multiple spaces, and sets a monospaced font.










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\autodoc:note{Despite the name, \autodoc:environment{verbatim} does not alter the way that SILE sees special characters.










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You still need to escape backslashes and braces: to produce a backslash, you need to write \code{\\\\}.}










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Here is some text set in the \autodoc:environment{verbatim} environment:










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\begin[type=autodoc:codeblock]{raw}










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local function init (class, _)










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  class:loadPackage("rebox")










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  class:loadPackage("raiselower")










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end










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\end{raw}










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If you want to specify what font the verbatim environment should use, you can redefine the \autodoc:command{\verbatim:font} command.










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For example you could change it from XML like this:










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\begin[type=autodoc:codeblock]{raw}










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<define command="verbatim:font">










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   <font family="DejaVu Sans Mono" size="9pt"/>










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</define>










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\end{raw}










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\end{document}










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]]




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return package




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