basic support for twig

rc/filetype/twig.kak

@@ -0,0 +1,95 @@
+# https://twig.symfony.com/doc/3.x/templates.html
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufCreate .*[.](twig) %{
+    set-option buffer filetype twig
+}
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=twig %[
+    require-module twig
+
+    hook window ModeChange pop:insert:.* -group twig-trim-indent  twig-trim-indent
+    hook window InsertChar \n -group twig-insert twig-insert-on-new-line
+    hook window InsertChar \n -group twig-indent twig-indent-on-new-line
+    hook window InsertChar '>' -group twig-indent twig-indent-on-grater-than
+    hook window InsertChar '#' -group twig-auto-close twig-auto-close-delim
+    hook window InsertChar '%' -group twig-auto-close twig-auto-close-delim
+    set-option buffer extra_word_chars '_' '-'
+
+    hook -once -always window WinSetOption filetype=.* %{ remove-hooks window twig-.+ }
+]
+
+hook -group twig-highlight global WinSetOption filetype=twig %{
+    add-highlighter window/twig ref twig
+    hook -once -always window WinSetOption filetype=.* %{ remove-highlighter window/twig }
+}
+
+
+provide-module twig %[
+
+require-module html
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+add-highlighter shared/twig regions
+add-highlighter shared/twig/core default-region group
+add-highlighter shared/twig/comment region \{# [#]\} fill comment
+add-highlighter shared/twig/delim region \{([%]-?|\{) (-?[%]|\})\} regions
+
+add-highlighter shared/twig/core/ ref html
+
+add-highlighter shared/twig/delim/base default-region group
+add-highlighter shared/twig/delim/double_string region '"'  (?<!\\)(\\\\)*" fill string
+add-highlighter shared/twig/delim/single_string region "'"  (?<!\\)(\\\\)*' fill string
+add-highlighter shared/twig/delim/base/ regex (\w+)\h= 1:variable
+
+# functions
+add-highlighter shared/twig/delim/base/ regex \b(\w+)\( 1:function
+
+# filters
+add-highlighter shared/twig/delim/base/ regex \b(abs|batch|capitalize|column|convert_encoding|country_name|currency_name|currency_symbol|data_uri|date|date_modify|default|e|escape|filter|first|format|format_currency|format_date|format_datetime|format_number|format_time|html_to_markdown|inline_css|inky_to_html|join|json_encode|keys|language_name|last|length|locale_name|lower|map|markdown_to_html|merge|nl2br|number_format|raw|reduce|replace|reverse|round|slice|slug|sort|spaceless|split|striptags|timezone_name|title|trim|u|upper|url_encode)(\()?\b 1:operator
+
+# tags
+add-highlighter shared/twig/delim/base/ regex \b((extends|deprecated|do|flush|import|from|elseif|else|include|set|use)|(end)?(apply|autoescape|block|cache|embed|for|if|macro|sandbox|set|verbatim|with))\b 0:keyword 0:+i
+
+# logic
+# and or not in is matches
+
+# delimiters
+add-highlighter shared/twig/delim/base/ regex (\{[%]|[%]\}) 0:function
+add-highlighter shared/twig/delim/base/ regex (\{\{|\}\}) 0:operator
+
+# Commands
+# ‾‾‾‾‾‾‾‾
+
+define-command -hidden twig-trim-indent                   html-trim-indent
+define-command -hidden twig-indent-on-new-line            html-indent-on-new-line
+define-command -hidden twig-indent-on-grater-than         html-indent-on-greater-than
+
+define-command -hidden twig-auto-close-delim %[
+  evaluate-commands -itersel %[
+    try %[
+      execute-keys -draft <semicolon>hH<a-k>\h*\{<ret>lyp
+      execute-keys <esc>hi<space><esc>hi<space>
+    ]
+  ]
+]
+
+define-command -hidden twig-insert-on-new-line %[
+  evaluate-commands -draft -itersel %/
+    execute-keys <semicolon>
+    try %[
+      execute-keys -draft k<a-x><a-k>^\h*\{\[%#\{\]\h+$<ret>
+      execute-keys -draft jghd
+    ]
+  /
+]
+
+]