Add jinja language support, closes #92

5 files changed, 173 insertions, 0 deletions

diff --git a/README.md b/README.md
index 19dc98eb..7cc4d22e 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,7 @@ Optionally download one of the [releases](https://github.com/sheerun/vim-polyglo
 - [jade](https://github.com/digitaltoad/vim-jade) (syntax, indent, ftplugin, ftdetect)
 - [jasmine](https://github.com/glanotte/vim-jasmine) (syntax, ftdetect)
 - [javascript](https://github.com/sheerun/yajs.vim) (syntax, indent)
+- [jinja](https://github.com/Glench/Vim-Jinja2-Syntax) (syntax, indent, ftdetect)
 - [json](https://github.com/sheerun/vim-json) (syntax, indent, ftdetect)
 - [jst](https://github.com/briancollins/vim-jst) (syntax, indent, ftdetect)
 - [jsx](https://github.com/mxw/vim-jsx) (ftdetect, after)
diff --git a/build b/build
index 6d4cedec..c11db1de 100755
--- a/build
+++ b/build
@@ -123,6 +123,7 @@ PACKS="
   jade:digitaltoad/vim-jade
   jasmine:glanotte/vim-jasmine
   javascript:sheerun/yajs.vim
+  jinja:Glench/Vim-Jinja2-Syntax
   json:sheerun/vim-json
   jst:briancollins/vim-jst
   jsx:mxw/vim-jsx:_ALL
diff --git a/ftdetect/polyglot.vim b/ftdetect/polyglot.vim
index 6869abf5..12440d61 100644
--- a/ftdetect/polyglot.vim
+++ b/ftdetect/polyglot.vim
@@ -162,6 +162,22 @@ autocmd BufNewFile,BufRead *.jsx set filetype=javascript.jsx
 autocmd BufNewFile,BufRead *.js
   \ if <SID>EnableJSX() | set filetype=javascript.jsx | endif
 endif
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'jinja') == -1
+  
+fun! s:SelectHTML()
+  let n = 1
+  while n < 50 && n <= line("$")
+    " check for jinja
+    if getline(n) =~ '{{.*}}\|{%-\?\s*\(end.*\|extends\|block\|macro\|set\|if\|for\|include\|trans\)\>'
+      set ft=jinja
+      return
+    endif
+    let n = n + 1
+  endwhile
+endfun
+autocmd BufNewFile,BufRead *.html,*.htm,*.nunjucks,*.nunjs  call s:SelectHTML()
+autocmd BufNewFile,BufRead *.jinja2,*.j2,*.jinja set ft=jinja
+endif
 if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'json') == -1
   
 autocmd BufNewFile,BufRead *.json set filetype=json
diff --git a/indent/jinja.vim b/indent/jinja.vim
new file mode 100644
index 00000000..8b717a30
--- /dev/null
+++ b/indent/jinja.vim
@@ -0,0 +1,16 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'jinja') == -1
+  
+" Vim indent file
+" Language:	Jinja HTML template
+" Maintainer:	Evan Hammer <evan@evanhammer.com>
+" Last Change:	2013 Jan 26
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+  finish
+endif
+
+" Use HTML formatting rules.
+runtime! indent/html.vim
+
+endif
diff --git a/syntax/jinja.vim b/syntax/jinja.vim
new file mode 100644
index 00000000..08f46ee5
--- /dev/null
+++ b/syntax/jinja.vim
@@ -0,0 +1,139 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'jinja') == -1
+  
+" Vim syntax file
+" Language:	Jinja template
+" Maintainer:	Armin Ronacher <armin.ronacher@active-4.com>
+" Last Change:	2008 May 9
+" Version:      1.1
+"
+" Known Bugs:
+"   because of odd limitations dicts and the modulo operator
+"   appear wrong in the template.
+"
+" Changes:
+"
+"     2008 May 9:     Added support for Jinja2 changes (new keyword rules)
+
+" .vimrc variable to disable html highlighting
+if !exists('g:jinja_syntax_html')
+   let g:jinja_syntax_html=1
+endif
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if !exists("main_syntax")
+  if version < 600
+    syntax clear
+  elseif exists("b:current_syntax")
+  finish
+endif
+  let main_syntax = 'jinja'
+endif
+
+" Pull in the HTML syntax.
+if g:jinja_syntax_html
+  if version < 600
+    so <sfile>:p:h/html.vim
+  else
+    runtime! syntax/html.vim
+    unlet b:current_syntax
+  endif
+endif
+
+syntax case match
+
+" Jinja template built-in tags and parameters (without filter, macro, is and raw, they
+" have special threatment)
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained and if else in not or recursive as import
+
+syn keyword jinjaStatement containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained is filter skipwhite nextgroup=jinjaFilter
+syn keyword jinjaStatement containedin=jinjaTagBlock contained macro skipwhite nextgroup=jinjaFunction
+syn keyword jinjaStatement containedin=jinjaTagBlock contained block skipwhite nextgroup=jinjaBlockName
+
+" Variable Names
+syn match jinjaVariable containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn keyword jinjaSpecial containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained false true none False True None loop super caller varargs kwargs
+
+" Filters
+syn match jinjaOperator "|" containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained skipwhite nextgroup=jinjaFilter
+syn match jinjaFilter contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaFunction contained /[a-zA-Z_][a-zA-Z0-9_]*/
+syn match jinjaBlockName contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template constants
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/"/ skip=/\(\\\)\@<!\(\(\\\\\)\@>\)*\\"/ end=/"/
+syn region jinjaString containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained start=/'/ skip=/\(\\\)\@<!\(\(\\\\\)\@>\)*\\'/ end=/'/
+syn match jinjaNumber containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[0-9]\+\(\.[0-9]\+\)\?/
+
+" Operators
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[+\-*\/<>=!,:]/
+syn match jinjaPunctuation containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /[()\[\]]/
+syn match jinjaOperator containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained /\./ nextgroup=jinjaAttribute
+syn match jinjaAttribute contained /[a-zA-Z_][a-zA-Z0-9_]*/
+
+" Jinja template tag and variable blocks
+syn region jinjaNested matchgroup=jinjaOperator start="(" end=")" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="\[" end="\]" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaNested matchgroup=jinjaOperator start="{" end="}" transparent display containedin=jinjaVarBlock,jinjaTagBlock,jinjaNested contained
+syn region jinjaTagBlock matchgroup=jinjaTagDelim start=/{%-\?/ end=/-\?%}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+syn region jinjaVarBlock matchgroup=jinjaVarDelim start=/{{-\?/ end=/-\?}}/ containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaRaw,jinjaString,jinjaNested,jinjaComment
+
+" Jinja template 'raw' tag
+syn region jinjaRaw matchgroup=jinjaRawDelim start="{%\s*raw\s*%}" end="{%\s*endraw\s*%}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString,jinjaComment
+
+" Jinja comments
+syn region jinjaComment matchgroup=jinjaCommentDelim start="{#" end="#}" containedin=ALLBUT,jinjaTagBlock,jinjaVarBlock,jinjaString
+
+" Block start keywords.  A bit tricker.  We only highlight at the start of a
+" tag block and only if the name is not followed by a comma or equals sign
+" which usually means that we have to deal with an assignment.
+syn match jinjaStatement containedin=jinjaTagBlock contained /\({%-\?\s*\)\@<=\<[a-zA-Z_][a-zA-Z0-9_]*\>\(\s*[,=]\)\@!/
+
+" and context modifiers
+syn match jinjaStatement containedin=jinjaTagBlock contained /\<with\(out\)\?\s\+context\>/
+
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_jinja_syn_inits")
+  if version < 508
+    let did_jinja_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink jinjaPunctuation jinjaOperator
+  HiLink jinjaAttribute jinjaVariable
+  HiLink jinjaFunction jinjaFilter
+
+  HiLink jinjaTagDelim jinjaTagBlock
+  HiLink jinjaVarDelim jinjaVarBlock
+  HiLink jinjaCommentDelim jinjaComment
+  HiLink jinjaRawDelim jinja
+
+  HiLink jinjaSpecial Special
+  HiLink jinjaOperator Normal
+  HiLink jinjaRaw Normal
+  HiLink jinjaTagBlock PreProc
+  HiLink jinjaVarBlock PreProc
+  HiLink jinjaStatement Statement
+  HiLink jinjaFilter Function
+  HiLink jinjaBlockName Function
+  HiLink jinjaVariable Identifier
+  HiLink jinjaString Constant
+  HiLink jinjaNumber Constant
+  HiLink jinjaComment Comment
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "jinja"
+
+if main_syntax == 'jinja'
+  unlet main_syntax
+endif
+
+endif