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sile-typesetter / sile / 11837549986

14 Nov 2024 12:50PM UTC coverage: 67.057% (-1.3%) from 68.35%
11837549986

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github

alerque
chore(build): Set default features so docs.rs can build API docs

12325 of 18380 relevant lines covered (67.06%)

3908.93 hits per line

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0.0
/packages/unichar/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 = "unichar"
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function package:registerCommands ()
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   self:registerCommand("unichar", function (_, content)
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      local cp = content[1]
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      if type(cp) ~= "string" then
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         SU.error("Bad argument to \\unicode")
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      end
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      local hlist = SILE.typesetter.state.nodes
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      local char = SU.utf8charfromcodepoint(cp)
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      if
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         #hlist > 1
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         and hlist[#hlist].is_unshaped
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         and pl.tablex.deepcompare(hlist[#hlist].options, SILE.font.loadDefaults({}))
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      then
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         -- Stack character with a preceding unshaped node if its font is the
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         -- same as the current one, so that combining characters (e.g. diacritics)
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         -- and kerning works with \unichar'ed code points too.
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         hlist[#hlist].text = hlist[#hlist].text .. char
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      else
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         SILE.typesetter:typeset(char)
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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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\use[module=packages.unichar]
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SILE is Unicode compatible, and expects its input files to be in the UTF-8 encoding.
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(The actual range of Unicode characters supported will depend on the supported ranges of the fonts that SILE is using to typeset.)
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Some Unicode characters are hard to locate on a standard keyboard, and so are difficult to enter into SILE documents.
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The \autodoc:package{unichar} package helps with this problem by providing the \autodoc:command{\unichar} command to enter Unicode codepoints.
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\begin[type=autodoc:codeblock]{raw}
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\unichar{U+263A}
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\end{raw}
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This produces: \font[family=Symbola]{\unichar{U+263A}}
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If the argument to \autodoc:command{\unichar} begins with \code{U+}, \code{u+}, \code{0x}, or \code{0X}, then it is assumed to be a hexadecimal value.
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Otherwise it is assumed to be a decimal codepoint.
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\end{document}
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]]
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return package
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