diff options
Diffstat (limited to 'nixpkgs/doc/build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua')
| -rw-r--r-- | nixpkgs/doc/build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/nixpkgs/doc/build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua b/nixpkgs/doc/build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua deleted file mode 100644 index fa97729a28bc..000000000000 --- a/nixpkgs/doc/build-aux/pandoc-filters/docbook-writer/labelless-link-is-xref.lua +++ /dev/null @@ -1,34 +0,0 @@ ---[[ -Converts Link AST nodes with empty label to DocBook xref elements. - -This is a temporary script to be able use cross-references conveniently -using syntax taken from MyST, while we still use docbook-xsl -for generating the documentation. - -Reference: https://myst-parser.readthedocs.io/en/latest/using/syntax.html#targets-and-cross-referencing -]] - -local function starts_with(start, str) - return str:sub(1, #start) == start -end - -local function escape_xml_arg(arg) - amps = arg:gsub('&', '&') - amps_quotes = amps:gsub('"', '"') - amps_quotes_lt = amps_quotes:gsub('<', '<') - - return amps_quotes_lt -end - -function Link(elem) - has_no_content = #elem.content == 0 - targets_anchor = starts_with('#', elem.target) - has_no_attributes = elem.title == '' and elem.identifier == '' and #elem.classes == 0 and #elem.attributes == 0 - - if has_no_content and targets_anchor and has_no_attributes then - -- xref expects idref without the pound-sign - target_without_hash = elem.target:sub(2, #elem.target) - - return pandoc.RawInline('docbook', '<xref linkend="' .. escape_xml_arg(target_without_hash) .. '" />') - end -end |