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nixpkgs/nixos/doc/varlistentry-fixer.rb

124 lines
3.1 KiB

#!/usr/bin/env ruby
# This script is written intended as a living, evolving tooling
# to fix oopsies within the docbook documentation.
#
# This is *not* a formatter. It, instead, handles some known cases
# where something bad happened, and fixing it manually is tedious.
#
# Read the code to see the different cases it handles.
#
# ALWAYS `make format` after fixing with this!
# ALWAYS read the changes, this tool isn't yet proven to be always right.
require "rexml/document"
include REXML
if ARGV.length < 1 then
$stderr.puts "Needs a filename."
exit 1
end
filename = ARGV.shift
doc = Document.new(File.open(filename))
$touched = false
# Fixing varnames having a sibling element without spacing.
# This is to fix an initial `xmlformat` issue where `term`
# would mangle as spaces.
#
# <varlistentry>
# <term><varname>types.separatedString</varname><replaceable>sep</replaceable> <----
# </term>
# ...
#
# Generates: types.separatedStringsep
# ^^^^
#
# <varlistentry xml:id='fun-makeWrapper'>
# <term>
# <function>makeWrapper</function><replaceable>executable</replaceable><replaceable>wrapperfile</replaceable><replaceable>args</replaceable> <----
# </term>
#
# Generates: makeWrapperexecutablewrapperfileargs
# ^^^^ ^^^^ ^^ ^^
#
# <term>
# <option>--option</option><replaceable>name</replaceable><replaceable>value</replaceable> <-----
# </term>
#
# Generates: --optionnamevalue
# ^^ ^^
doc.elements.each("//varlistentry/term") do |term|
["varname", "function", "option", "replaceable"].each do |prev_name|
term.elements.each(prev_name) do |el|
if el.next_element and
el.next_element.name == "replaceable" and
el.next_sibling_node.class == Element
then
$touched = true
term.insert_after(el, Text.new(" "))
end
end
end
end
# <cmdsynopsis>
# <command>nixos-option</command>
# <arg>
# <option>-I</option><replaceable>path</replaceable> <------
# </arg>
#
# Generates: -Ipath
# ^^
doc.elements.each("//cmdsynopsis/arg") do |term|
["option", "replaceable"].each do |prev_name|
term.elements.each(prev_name) do |el|
if el.next_element and
el.next_element.name == "replaceable" and
el.next_sibling_node.class == Element
then
$touched = true
term.insert_after(el, Text.new(" "))
end
end
end
end
# <cmdsynopsis>
# <arg>
# <group choice='req'>
# <arg choice='plain'>
# <option>--profile-name</option>
# </arg>
#
# <arg choice='plain'>
# <option>-p</option>
# </arg>
# </group><replaceable>name</replaceable> <----
# </arg>
#
# Generates: [{--profile-name | -p }name]
# ^^^^
doc.elements.each("//cmdsynopsis/arg") do |term|
["group"].each do |prev_name|
term.elements.each(prev_name) do |el|
if el.next_element and
el.next_element.name == "replaceable" and
el.next_sibling_node.class == Element
then
$touched = true
term.insert_after(el, Text.new(" "))
end
end
end
end
if $touched then
doc.context[:attribute_quote] = :quote
doc.write(output: File.open(filename, "w"))
end