Added lib/highlight

Author: ubaldot

after/ftplugin/markdown.vim

@@ -4,6 +4,7 @@ import autoload "../../lib/funcs.vim"
 import autoload "../../lib/preview.vim"
 import autoload "../../lib/links.vim"
 import autoload '../../lib/utils.vim'
+import autoload '../../lib/highlight.vim'
 import autoload '../../lib/constants.vim'
 
 
@@ -61,8 +62,8 @@ if use_pandoc && executable('pandoc')
 
   compiler pandoc
 
+  # TODO: make it to take additional arguments
   def Make(format: string = 'html')
-    #
 
     var output_file = $'{expand('%:p:r')}.{format}'
     var cmd = execute($'make {format}')
@@ -178,6 +179,15 @@ if empty(maparg('<Plug>MarkdownCode'))
         \ TEXT_STYLES_DICT, TEXT_STYLES_DICT)<cr>g@
 endif
 
+if empty(maparg('<Plug>MarkdownAddHighlight'))
+  noremap <script> <buffer> <Plug>MarkdownAddHighlight
+        \ <esc><ScriptCmd>highlight.AddProp()<cr>
+endif
+
+if empty(maparg('<Plug>MarkdownClearHighlight'))
+  noremap <script> <buffer> <Plug>MarkdownClearHighlight
+        \ <esc><ScriptCmd>highlight.ClearProp()<cr>
+endif
 # ----------- TODO:TO BE REVIEWED ----------------------
 
 def SetCodeBlock(open_block: dict<string>,
@@ -255,4 +265,12 @@ if use_default_mappings
   if !hasmapto('<Plug>MarkdownReferencePreview')
     nnoremap <buffer> <silent> K <Plug>MarkdownReferencePreview
   endif
+
+  # ---------- Highlight --------------------------
+  if !hasmapto('<Plug>MarkdownAddHighlight')
+    xnoremap <leader>ha <Plug>MarkdownAddHighlight
+  endif
+  if !hasmapto('<Plug>MarkdownClearHighlight')
+    xnoremap <leader>hd <Plug>MarkdownClearHighlight
+  endif
 endif

doc/tags

@@ -1,3 +1,6 @@
-ReplicaContents	markdown_extras.txt	/*ReplicaContents*
-ReplicaIntroduction	markdown_extras.txt	/*ReplicaIntroduction*
+g:markdown_extras_config	markdown_extras.txt	/*g:markdown_extras_config*
 markdown-extras	markdown_extras.txt	/*markdown-extras*
+markdown-extras-configuration	markdown_extras.txt	/*markdown-extras-configuration*
+markdown-extras-contents	markdown_extras.txt	/*markdown-extras-contents*
+markdown-extras-introduction	markdown_extras.txt	/*markdown-extras-introduction*
+markdown-extras-requirements	markdown_extras.txt	/*markdown-extras-requirements*

lib/highlight.vim

@@ -0,0 +1,34 @@
+vim9script
+
+# TODO: use opfunc
+# TODO: use search mechanism
+var prop_id = 0
+var hi_group = 'IncSearch'
+
+if exists('g:markdown_extras_config') != 0
+    && has_key(g:markdown_extras_config, 'hi_group')
+      && g:markdown_extras_config['']
+  hi_group = g:markdown_extras_config['hi_group']
+endif
+
+if empty(prop_type_get('markdown_extras_highlight'))
+  prop_type_add('markdown_extras_highlight', {highlight: hi_group})
+endif
+
+export def AddProp()
+  var lA = getpos("'<")[1]
+  var cA = getpos("'<")[2]
+  var lB = getpos("'>")[1]
+  var cB = getpos("'>")[2]
+
+  prop_add(lA, cA, {id: prop_id, type: 'markdown_extras_highlight',
+    end_lnum: lB, end_col: cB})
+  prop_id += 1
+enddef
+
+export def ClearProp()
+  var lA = getpos("'<")[1]
+  var lB = getpos("'>")[1]
+
+  prop_clear(lA, lB)
+enddef