diff options
Diffstat (limited to 'doc/build-aux/pandoc-filters/myst-reader/roles.lua')
-rw-r--r-- | doc/build-aux/pandoc-filters/myst-reader/roles.lua | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/doc/build-aux/pandoc-filters/myst-reader/roles.lua b/doc/build-aux/pandoc-filters/myst-reader/roles.lua new file mode 100644 index 00000000000..c33a688eeba --- /dev/null +++ b/doc/build-aux/pandoc-filters/myst-reader/roles.lua @@ -0,0 +1,29 @@ +--[[ +Replaces Str AST nodes containing {role}, followed by a Code node +by a Code node with attrs that would be produced by rST reader +from the role syntax. + +This is to emulate MyST syntax in Pandoc. +(MyST is a CommonMark flavour with rST features mixed in.) + +Reference: https://myst-parser.readthedocs.io/en/latest/syntax/syntax.html#roles-an-in-line-extension-point +]] + +function Inlines(inlines) + for i = #inlines-1,1,-1 do + local first = inlines[i] + local second = inlines[i+1] + local correct_tags = first.tag == 'Str' and second.tag == 'Code' + if correct_tags then + -- docutils supports alphanumeric strings separated by [-._:] + -- We are slightly more liberal for simplicity. + local role = first.text:match('^{([-._+:%w]+)}$') + if role ~= nil then + inlines:remove(i) + second.attributes['role'] = role + second.classes:insert('interpreted-text') + end + end + end + return inlines +end |