From 74652b465d7eff97070001317a4ea5557717378d Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Sun, 11 Sep 2016 13:50:56 +0200
Subject: [PATCH] Update twig source

---
 README.md       |  2 +-
 build           |  2 +-
 indent/twig.vim | 80 +++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+), 2 deletions(-)
 create mode 100644 indent/twig.vim

diff --git a/README.md b/README.md
index e5407d2a4..17fabe26c 100644
--- a/README.md
+++ b/README.md
@@ -111,7 +111,7 @@ If you need full functionality of any plugin, please use it directly with your p
 - [tmux](https://github.com/keith/tmux.vim) (syntax, ftplugin, ftdetect)
 - [tomdoc](https://github.com/wellbredgrapefruit/tomdoc.vim) (syntax)
 - [toml](https://github.com/cespare/vim-toml) (syntax, ftplugin, ftdetect)
-- [twig](https://github.com/evidens/vim-twig) (syntax, ftplugin)
+- [twig](https://github.com/lumiliet/vim-twig) (syntax, indent, ftplugin)
 - [typescript](https://github.com/leafgarland/typescript-vim) (syntax, indent, compiler, ftplugin, ftdetect)
 - [vala](https://github.com/tkztmk/vim-vala) (syntax, indent, ftdetect)
 - [vbnet](https://github.com/vim-scripts/vbnet.vim) (syntax)
diff --git a/build b/build
index a63a0f527..d6151cfdb 100755
--- a/build
+++ b/build
@@ -184,7 +184,7 @@ PACKS="
   tmux:keith/tmux.vim
   tomdoc:wellbredgrapefruit/tomdoc.vim
   toml:cespare/vim-toml
-  twig:evidens/vim-twig
+  twig:lumiliet/vim-twig
   typescript:leafgarland/typescript-vim
   vala:tkztmk/vim-vala
   vbnet:vim-scripts/vbnet.vim
diff --git a/indent/twig.vim b/indent/twig.vim
new file mode 100644
index 000000000..421f7201b
--- /dev/null
+++ b/indent/twig.vim
@@ -0,0 +1,80 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'twig') == -1
+  
+if exists("b:ran_once")
+	finish
+endif
+
+let b:ran_once = 1
+
+let s:baseIndentExpr=&indentexpr
+setlocal indentexpr=GetTwigIndent(v:lnum)
+
+fun! GetTwigIndent(currentLineNumber)
+	let currentLine = getline(a:currentLineNumber)
+	let previousLineNumber = prevnonblank(a:currentLineNumber - 1)
+	let previousLine = getline(previousLineNumber)
+
+	if (previousLine =~ s:startStructures || previousLine =~ s:middleStructures) && (currentLine !~ s:endStructures && currentLine !~ s:middleStructures)
+		return indent(previousLineNumber) + &shiftwidth
+	elseif currentLine =~ s:endStructures || currentLine =~ s:middleStructures
+		let previousOpenStructureNumber = s:FindPreviousOpenStructure(a:currentLineNumber)
+		let previousOpenStructureLine = getline(previousOpenStructureNumber)
+		return indent(previousOpenStructureNumber)
+	endif
+
+    return s:CallBaseIndent()
+endf
+
+function! s:CallBaseIndent()
+    exe 'redir => s:outputOfBaseIndent'
+    exe 'silent echo ' . s:baseIndentExpr
+    exe 'redir END'
+    return split(s:outputOfBaseIndent)[0]
+endf
+
+
+function! s:FindPreviousOpenStructure(lineNumber)
+	let countOpen = 0
+	let countClosed = 0
+	let lineNumber = a:lineNumber
+	while lineNumber != 1 && countOpen <= countClosed
+		let lineNumber -= 1
+		let currentLine = getline(lineNumber)
+
+		if currentLine =~ s:startStructures
+			let countOpen += 1
+		elseif currentLine =~ s:endStructures
+			let countClosed += 1
+		endif
+	endwhile
+
+	return lineNumber
+endfunction
+
+function! s:StartStructure(name)
+	return '^\s*{%\s*' . a:name . '.*%}'
+endfunction
+
+function! s:EndStructure(name)
+	return '^\s*{%\s*end' . a:name . '.*%}'
+endfunction
+
+function! s:Map(Fun, list)
+    if len(a:list) == 0
+        return []
+    else
+        return [a:Fun(a:list[0])] + s:Map(a:Fun, a:list[1:])
+    endif
+endfunction
+
+fun! s:BuildStructures()
+	let structures = ['if','for','block']
+	let mStructures = ['elseif','else']
+	let s:startStructures = join(s:Map(function('s:StartStructure'), structures), '\|')
+	let s:endStructures = join(s:Map(function('s:EndStructure'), structures), '\|')
+	let s:middleStructures = join(s:Map(function('s:StartStructure'), mStructures), '\|')
+endfun
+
+call s:BuildStructures()
+
+endif