Add support for ics, closes #492

8 files changed, 365 insertions, 2 deletions

diff --git a/README.md b/README.md
index 90842396..a35cb742 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A collection of language packs for Vim.
 > One to rule them all, one to find them, one to bring them all and in the darkness bind them.
 
 - It **won't affect your startup time**, as scripts are loaded only on demand\*.
-- It **installs and updates 120+ times faster** than the <!--Package Count-->149<!--/Package Count--> packages it consists of.
+- It **installs and updates 120+ times faster** than the <!--Package Count-->150<!--/Package Count--> packages it consists of.
 - Solid syntax and indentation support (other features skipped). Only the best language packs.
 - All unnecessary files are ignored (like enormous documentation from php support).
 - No support for esoteric languages, only most popular ones (modern too, like `slim`).
@@ -89,7 +89,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [go](https://github.com/fatih/vim-go) (syntax, compiler, indent)
 - [gradle](https://github.com/tfnico/vim-gradle) (compiler)
 - [graphql](https://github.com/jparise/vim-graphql) (syntax, indent, autoload, ftplugin, after)
-- [haml](https://github.com/sheerun/vim-haml) ()
+- [haml](https://github.com/sheerun/vim-haml) (syntax, indent, compiler, ftplugin)
 - [handlebars](https://github.com/mustache/vim-mustache-handlebars) (syntax, indent, ftplugin)
 - [haproxy](https://github.com/CH-DanReif/haproxy.vim) (syntax)
 - [haskell](https://github.com/neovimhaskell/haskell-vim) (syntax, indent, ftplugin)
@@ -99,6 +99,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [hive](https://github.com/zebradil/hive.vim) (syntax, ftplugin)
 - [html5](https://github.com/othree/html5.vim) (syntax, indent, autoload, ftplugin)
 - [i3](https://github.com/mboughaba/i3config.vim) (syntax, ftplugin)
+- [icalenadr](https://github.com/chutzpah/icalendar.vim) (syntax)
 - [idris](https://github.com/idris-hackers/idris-vim) (syntax, indent, ftplugin)
 - [ion](https://github.com/vmchale/ion-vim) (syntax, ftplugin)
 - [javascript](https://github.com/pangloss/vim-javascript) (syntax, indent, compiler, ftplugin, extras)
diff --git a/build b/build
index 3d87a71a..436885b2 100755
--- a/build
+++ b/build
@@ -191,6 +191,7 @@ PACKS="
   hive:zebradil/hive.vim
   html5:othree/html5.vim
   i3:mboughaba/i3config.vim
+  icalenadr:chutzpah/icalendar.vim
   idris:idris-hackers/idris-vim
   ion:vmchale/ion-vim
   javascript:pangloss/vim-javascript:_JAVASCRIPT
diff --git a/compiler/haml.vim b/compiler/haml.vim
new file mode 100644
index 00000000..e942631f
--- /dev/null
+++ b/compiler/haml.vim
@@ -0,0 +1,32 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'haml') == -1
+
+" Vim compiler file
+" Compiler:	Haml
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Last Change:	2016 Aug 29
+
+if exists("current_compiler")
+  finish
+endif
+let current_compiler = "haml"
+
+if exists(":CompilerSet") != 2		" older Vim always used :setlocal
+  command -nargs=* CompilerSet setlocal <args>
+endif
+
+let s:cpo_save = &cpo
+set cpo-=C
+
+CompilerSet makeprg=haml
+
+CompilerSet errorformat=
+      \Haml\ %trror\ on\ line\ %l:\ %m,
+      \Syntax\ %trror\ on\ line\ %l:\ %m,
+      \%-G%.%#
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim:set sw=2 sts=2:
+
+endif
diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index b22d1ee0..229905ba 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -276,6 +276,10 @@ if index(g:polyglot_disabled, 'i3') == -1
   au BufNewFile,BufRead .i3.config,i3.config,*.i3config,*.i3.config set ft=i3config
 endif
 
+if index(g:polyglot_disabled, 'icalendar') == -1
+  au BufNewFile,BufRead *.ics set ft=icalendar
+endif
+
 if index(g:polyglot_disabled, 'idris') == -1
   au BufNewFile,BufRead *.idr set ft=idris
   au BufNewFile,BufRead idris-response set ft=idris
diff --git a/ftplugin/haml.vim b/ftplugin/haml.vim
new file mode 100644
index 00000000..ca5655ec
--- /dev/null
+++ b/ftplugin/haml.vim
@@ -0,0 +1,75 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'haml') == -1
+
+" Vim filetype plugin
+" Language:	Haml
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Last Change:	2016 Aug 29
+
+" Only do this when not done yet for this buffer
+if exists("b:did_ftplugin")
+  finish
+endif
+
+let s:save_cpo = &cpo
+set cpo-=C
+
+" Define some defaults in case the included ftplugins don't set them.
+let s:undo_ftplugin = ""
+let s:browsefilter = "All Files (*.*)\t*.*\n"
+let s:match_words = ""
+
+runtime! ftplugin/html.vim ftplugin/html_*.vim ftplugin/html/*.vim
+unlet! b:did_ftplugin
+set matchpairs-=<:>
+
+" Override our defaults if these were set by an included ftplugin.
+if exists("b:undo_ftplugin")
+  let s:undo_ftplugin = b:undo_ftplugin
+  unlet b:undo_ftplugin
+endif
+if exists("b:browsefilter")
+  let s:browsefilter = b:browsefilter
+  unlet b:browsefilter
+endif
+if exists("b:match_words")
+  let s:match_words = b:match_words
+  unlet b:match_words
+endif
+
+runtime! ftplugin/ruby.vim ftplugin/ruby_*.vim ftplugin/ruby/*.vim
+let b:did_ftplugin = 1
+
+let &l:define .= empty(&l:define ? '' : '\|') . '^\s*\%(%\w*\)\=\%(\.[[:alnum:]_-]\+\)*#'
+
+" Combine the new set of values with those previously included.
+if exists("b:undo_ftplugin")
+  let s:undo_ftplugin = b:undo_ftplugin . " | " . s:undo_ftplugin
+endif
+if exists ("b:browsefilter")
+  let s:browsefilter = substitute(b:browsefilter,'\cAll Files (\*\.\*)\t\*\.\*\n','','') . s:browsefilter
+endif
+if exists("b:match_words")
+  let s:match_words = b:match_words . ',' . s:match_words
+endif
+
+" Change the browse dialog on Win32 to show mainly Haml-related files
+if has("gui_win32")
+  let b:browsefilter="Haml Files (*.haml)\t*.haml\nSass Files (*.sass)\t*.sass\n" . s:browsefilter
+endif
+
+" Load the combined list of match_words for matchit.vim
+if exists("loaded_matchit")
+  let b:match_words = s:match_words
+endif
+
+setlocal comments= commentstring=-#\ %s
+
+let b:undo_ftplugin = "setl def< cms< com< "
+      \ " | unlet! b:browsefilter b:match_words | " . s:undo_ftplugin
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim:set sw=2:
+
+endif
diff --git a/indent/haml.vim b/indent/haml.vim
new file mode 100644
index 00000000..ea6f5d17
--- /dev/null
+++ b/indent/haml.vim
@@ -0,0 +1,78 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'haml') == -1
+
+" Vim indent file
+" Language:	Haml
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Last Change:	2017 Jun 13
+
+if exists("b:did_indent")
+  finish
+endif
+runtime! indent/ruby.vim
+unlet! b:did_indent
+let b:did_indent = 1
+
+setlocal autoindent
+setlocal indentexpr=GetHamlIndent()
+setlocal indentkeys=o,O,*<Return>,},],0),!^F,=end,=else,=elsif,=rescue,=ensure,=when
+
+" Only define the function once.
+if exists("*GetHamlIndent")
+  finish
+endif
+
+let s:attributes = '\%({.\{-\}}\|\[.\{-\}\]\)'
+let s:tag = '\%([%.#][[:alnum:]_-]\+\|'.s:attributes.'\)*[<>]*'
+
+if !exists('g:haml_self_closing_tags')
+  let g:haml_self_closing_tags = 'base|link|meta|br|hr|img|input'
+endif
+
+function! GetHamlIndent()
+  let lnum = prevnonblank(v:lnum-1)
+  if lnum == 0
+    return 0
+  endif
+  let line = substitute(getline(lnum),'\s\+$','','')
+  let cline = substitute(substitute(getline(v:lnum),'\s\+$','',''),'^\s\+','','')
+  let lastcol = strlen(line)
+  let line = substitute(line,'^\s\+','','')
+  let indent = indent(lnum)
+  let cindent = indent(v:lnum)
+  let sw = shiftwidth()
+  if cline =~# '\v^-\s*%(elsif|else|when)>'
+    let indent = cindent < indent ? cindent : indent - sw
+  endif
+  let increase = indent + sw
+  if indent == indent(lnum)
+    let indent = cindent <= indent ? -1 : increase
+  endif
+
+  let group = synIDattr(synID(lnum,lastcol,1),'name')
+
+  if line =~ '^!!!'
+    return indent
+  elseif line =~ '^/\%(\[[^]]*\]\)\=$'
+    return increase
+  elseif group == 'hamlFilter'
+    return increase
+  elseif line =~ '^'.s:tag.'[&!]\=[=~-]\s*\%(\%(if\|else\|elsif\|unless\|case\|when\|while\|until\|for\|begin\|module\|class\|def\)\>\%(.*\<end\>\)\@!\|.*do\%(\s*|[^|]*|\)\=\s*$\)'
+    return increase
+  elseif line =~ '^'.s:tag.'[&!]\=[=~-].*,\s*$'
+    return increase
+  elseif line == '-#'
+    return increase
+  elseif group =~? '\v^(hamlSelfCloser)$' || line =~? '^%\v%('.g:haml_self_closing_tags.')>'
+    return indent
+  elseif group =~? '\v^%(hamlTag|hamlAttributesDelimiter|hamlObjectDelimiter|hamlClass|hamlId|htmlTagName|htmlSpecialTagName)$'
+    return increase
+  elseif synIDattr(synID(v:lnum,1,1),'name') ==? 'hamlRubyFilter'
+    return GetRubyIndent()
+  else
+    return indent
+  endif
+endfunction
+
+" vim:set sw=2:
+
+endif
diff --git a/syntax/haml.vim b/syntax/haml.vim
new file mode 100644
index 00000000..02f5cf83
--- /dev/null
+++ b/syntax/haml.vim
@@ -0,0 +1,113 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'haml') == -1
+
+" Vim syntax file
+" Language:	Haml
+" Maintainer:	Tim Pope <vimNOSPAM@tpope.org>
+" Filenames:	*.haml
+" Last Change:	2018 Aug 21
+
+if exists("b:current_syntax")
+  finish
+endif
+
+if !exists("main_syntax")
+  let main_syntax = 'haml'
+endif
+let b:ruby_no_expensive = 1
+
+runtime! syntax/html.vim
+unlet! b:current_syntax
+silent! syn include @hamlSassTop syntax/sass.vim
+unlet! b:current_syntax
+syn include @hamlRubyTop syntax/ruby.vim
+
+syn case match
+
+syn region  rubyCurlyBlock   start="{" end="}" contains=@hamlRubyTop contained
+syn cluster hamlRubyTop add=rubyCurlyBlock
+
+syn cluster hamlComponent    contains=hamlAttributes,hamlAttributesHash,hamlClassChar,hamlIdChar,hamlObject,hamlDespacer,hamlSelfCloser,hamlRuby,hamlPlainChar,hamlInterpolatable
+syn cluster hamlEmbeddedRuby contains=hamlAttributesHash,hamlObject,hamlRuby,hamlRubyFilter
+syn cluster hamlTop          contains=hamlBegin,hamlPlainFilter,hamlRubyFilter,hamlSassFilter,hamlComment,hamlHtmlComment
+
+syn match   hamlBegin "^\s*\%([<>]\|&[^=~ ]\)\@!" nextgroup=hamlTag,hamlClassChar,hamlIdChar,hamlRuby,hamlPlainChar,hamlInterpolatable
+
+syn match   hamlTag        "%\w\+\%(:\w\+\)\=" contained contains=htmlTagName,htmlSpecialTagName nextgroup=@hamlComponent
+syn region  hamlAttributes     matchgroup=hamlAttributesDelimiter start="(" end=")" contained contains=htmlArg,hamlAttributeString,hamlAttributeVariable,htmlEvent,htmlCssDefinition nextgroup=@hamlComponent
+syn region  hamlAttributesHash matchgroup=hamlAttributesDelimiter start="{" end="}" contained contains=@hamlRubyTop nextgroup=@hamlComponent
+syn region  hamlObject         matchgroup=hamlObjectDelimiter     start="\[" end="\]" contained contains=@hamlRubyTop nextgroup=@hamlComponent
+syn match   hamlDespacer "[<>]" contained nextgroup=hamlDespacer,hamlSelfCloser,hamlRuby,hamlPlainChar,hamlInterpolatable
+syn match   hamlSelfCloser "/" contained
+syn match   hamlClassChar "\." contained nextgroup=hamlClass
+syn match   hamlIdChar "#{\@!" contained nextgroup=hamlId
+syn match   hamlClass "\%(\w\|-\|\:\)\+" contained nextgroup=@hamlComponent
+syn match   hamlId    "\%(\w\|-\)\+" contained nextgroup=@hamlComponent
+syn region  hamlDocType start="^\s*!!!" end="$"
+
+syn region  hamlRuby   matchgroup=hamlRubyOutputChar start="[!&]\==\|\~" skip=",\s*$" end="$" contained contains=@hamlRubyTop keepend
+syn region  hamlRuby   matchgroup=hamlRubyChar       start="-"           skip=",\s*$" end="$" contained contains=@hamlRubyTop keepend
+syn match   hamlPlainChar "\\" contained
+syn region hamlInterpolatable matchgroup=hamlInterpolatableChar start="!\===\|!=\@!" end="$" keepend contained contains=hamlInterpolation,hamlInterpolationEscape,@hamlHtmlTop
+syn region hamlInterpolatable matchgroup=hamlInterpolatableChar start="&==\|&=\@!"   end="$" keepend contained contains=hamlInterpolation,hamlInterpolationEscape
+syn region hamlInterpolation matchgroup=hamlInterpolationDelimiter start="#{" end="}" contains=@hamlRubyTop containedin=javascriptStringS,javascriptStringD
+syn match  hamlInterpolationEscape "\\\@<!\%(\\\\\)*\\\%(\\\ze#{\|#\ze{\)"
+syn region hamlErbInterpolation matchgroup=hamlInterpolationDelimiter start="<%[=-]\=" end="-\=%>" contained contains=@hamlRubyTop
+
+syn region  hamlAttributeString start=+\%(=\s*\)\@<='+ skip=+\%(\\\\\)*\\'+ end=+'+ contains=hamlInterpolation,hamlInterpolationEscape
+syn region  hamlAttributeString start=+\%(=\s*\)\@<="+ skip=+\%(\\\\\)*\\"+ end=+"+ contains=hamlInterpolation,hamlInterpolationEscape
+syn match   hamlAttributeVariable "\%(=\s*\)\@<=\%(@@\=\|\$\)\=\w\+" contained
+
+syn match   hamlHelper  "\<action_view?\|\<block_is_haml?\|\<is_haml?\|\.\@<!\<flatten" contained containedin=@hamlEmbeddedRuby,@hamlRubyTop
+syn keyword hamlHelper   capture_haml escape_once find_and_preserve haml_concat haml_indent haml_tag html_attrs html_esape init_haml_helpers list_of non_haml precede preserve succeed surround tab_down tab_up page_class contained containedin=@hamlEmbeddedRuby,@hamlRubyTop
+
+syn cluster hamlHtmlTop contains=@htmlTop,htmlBold,htmlItalic,htmlUnderline
+syn region  hamlPlainFilter      matchgroup=hamlFilter start="^\z(\s*\):\%(plain\|preserve\|redcloth\|textile\|markdown\|maruku\)\s*$" end="^\%(\z1 \| *$\)\@!" contains=@hamlHtmlTop,hamlInterpolation
+syn region  hamlEscapedFilter    matchgroup=hamlFilter start="^\z(\s*\):\%(escaped\|cdata\)\s*$"    end="^\%(\z1 \| *$\)\@!" contains=hamlInterpolation
+syn region  hamlErbFilter        matchgroup=hamlFilter start="^\z(\s*\):erb\s*$"        end="^\%(\z1 \| *$\)\@!" contains=@hamlHtmlTop,hamlErbInterpolation
+syn region  hamlRubyFilter       matchgroup=hamlFilter start="^\z(\s*\):ruby\s*$"       end="^\%(\z1 \| *$\)\@!" contains=@hamlRubyTop
+syn region  hamlJavascriptFilter matchgroup=hamlFilter start="^\z(\s*\):javascript\s*$" end="^\%(\z1 \| *$\)\@!" contains=@htmlJavaScript,hamlInterpolation keepend
+syn region  hamlCSSFilter        matchgroup=hamlFilter start="^\z(\s*\):css\s*$"        end="^\%(\z1 \| *$\)\@!" contains=@htmlCss,hamlInterpolation keepend
+syn region  hamlSassFilter       matchgroup=hamlFilter start="^\z(\s*\):sass\s*$"       end="^\%(\z1 \| *$\)\@!" contains=@hamlSassTop
+
+syn region  hamlJavascriptBlock start="^\z(\s*\)%script\%((type=[\"']text/javascript[\"'])\)\=\s*$" nextgroup=@hamlComponent,hamlError end="^\%(\z1 \| *$\)\@!" contains=@hamlTop,@htmlJavaScript keepend
+syn region  hamlCssBlock        start="^\z(\s*\)%style" nextgroup=@hamlComponent,hamlError  end="^\%(\z1 \| *$\)\@!" contains=@hamlTop,@htmlCss keepend
+syn match   hamlError "\$" contained
+
+syn region  hamlComment     start="^\z(\s*\)-#" end="^\%(\z1 \| *$\)\@!" contains=rubyTodo
+syn region  hamlHtmlComment start="^\z(\s*\)/"  end="^\%(\z1 \| *$\)\@!" contains=@hamlTop,rubyTodo
+syn match   hamlIEConditional "\%(^\s*/\)\@<=\[if\>[^]]*]" contained containedin=hamlHtmlComment
+
+hi def link hamlSelfCloser             Special
+hi def link hamlDespacer               Special
+hi def link hamlClassChar              Special
+hi def link hamlIdChar                 Special
+hi def link hamlTag                    Special
+hi def link hamlClass                  Type
+hi def link hamlId                     Identifier
+hi def link hamlPlainChar              Special
+hi def link hamlInterpolatableChar     hamlRubyChar
+hi def link hamlRubyOutputChar         hamlRubyChar
+hi def link hamlRubyChar               Special
+hi def link hamlInterpolationDelimiter Delimiter
+hi def link hamlInterpolationEscape    Special
+hi def link hamlAttributeString        String
+hi def link hamlAttributeVariable      Identifier
+hi def link hamlDocType                PreProc
+hi def link hamlFilter                 PreProc
+hi def link hamlAttributesDelimiter    Delimiter
+hi def link hamlObjectDelimiter        Delimiter
+hi def link hamlHelper                 Function
+hi def link hamlHtmlComment            hamlComment
+hi def link hamlComment                Comment
+hi def link hamlIEConditional          SpecialComment
+hi def link hamlError                  Error
+
+let b:current_syntax = "haml"
+
+if main_syntax == "haml"
+  unlet main_syntax
+endif
+
+" vim:set sw=2:
+
+endif
diff --git a/syntax/icalendar.vim b/syntax/icalendar.vim
new file mode 100644
index 00000000..ca8179fe
--- /dev/null
+++ b/syntax/icalendar.vim
@@ -0,0 +1,59 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'icalenadr') == -1
+
+" Vim syntax file
+" Language:      icalendar <http://www.ietf.org/rfc/rfc2445.txt>
+" Maintainer:    Steven N. Severinghaus <sns@severinghaus.org>
+" Last Modified: 2006-04-17
+" Version:       0.3
+
+" Quit if syntax file is already loaded
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+command! -nargs=+ IcalHiLink hi def link <args>
+
+syntax case ignore
+setlocal iskeyword+=-
+
+syn match	icalObject	"^\(BEGIN\|END\)"
+syn match	icalObjectType	":\(VCALENDAR\|VEVENT\|VTODO\|VJOURNAL\|VFREEBUSY\|VTIMEZONE\|VALARM\)$"
+syn match	icalObjectType	":\(DAYLIGHT\|STANDARD\)$"
+syn match	icalProperty	"^\(DTSTART\|PRODID\|VERSION\|CALSCALE\|METHOD\)"
+syn match	icalProperty	"^\(DTEND\|DTSTAMP\|ORGANIZER\|UID\|CLASS\|CREATED\)"
+syn match	icalProperty	"^\(LOCATION\|SEQUENCE\|STATUS\|SUMMARY\|COMMENT\)"
+syn match	icalProperty	"^\(TRANSP\|ATTENDEE\|ATTACH\|FREEBUSY\|METHOD\|CONTACT\)"
+syn match	icalProperty	"^\(DURATION\|RRULE\|EXDATE\|EXRULE\|URL\|DESCRIPTION\|ACTION\)"
+syn match	icalProperty	"^\(LAST-MODIFIED\|RECURRENCE-ID\|TRIGGER\|RELATED-TO\|RDATE\)"
+syn match	icalProperty	"^\(TZID\|TZOFFSETFROM\|TZOFFSETTO\|TZNAME\|TZURL\)"
+syn match	icalProperty	"^\(PRIORITY\|DUE\|COMPLETED\|PERCENT-COMPLETE\|CATEGORIES\)"
+syn match	icalProperty	"^\(RESOURCES\|REPEAT\|REQUEST-STATUS\)"
+syn match	icalCustom	/^X-[A-Z-]\+/
+syn match	icalDate	"\<\d\{8}\>"
+syn match	icalDate	"[0-9]\{8}T[0-9]\{6}Z\="
+syn match	icalParameter	"[A-Z0-9-]\+=[^;:]\+"
+syn keyword	icalSetValue	CONFIRMED TENTATIVE CANCELLED DELEGATED OPAQUE
+syn keyword	icalSetValue	NEEDS-ACTION ACCEPTED DECLINED IN-PROGRESS
+syn keyword	icalSetValue	PRIVATE PUBLIC PUBLISH GREGORIAN DISPLAY
+syn match	icalSetValue	/:COMPLETED$/
+
+" Types: PreProc Keyword Type String Comment Special
+IcalHiLink	icalProperty	PreProc
+IcalHiLink	icalObject	Label
+IcalHiLink	icalObjectType	Type
+IcalHiLink	icalDate	String
+IcalHiLink	icalParameter	Comment
+IcalHiLink	icalSetValue	Special
+IcalHiLink	icalCustom	Error
+
+delcommand IcalHiLink
+  
+let b:current_syntax = "icalendar"
+
+"EOF vim: tw=78:ft=vim:ts=8
+
+
+
+endif