From 40fad5b2e830f8e1995b772563528aa578cc8b1e Mon Sep 17 00:00:00 2001
From: Andy Cedilnik <andy.cedilnik@kitware.com>
Date: Thu, 19 Jun 2003 14:37:58 -0400
Subject: [PATCH] Initial import: indentation file for vim

---
 Docs/cmake-indent.vim | 77 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 Docs/cmake-indent.vim

diff --git a/Docs/cmake-indent.vim b/Docs/cmake-indent.vim
new file mode 100644
index 000000000..8d8438acf
--- /dev/null
+++ b/Docs/cmake-indent.vim
@@ -0,0 +1,77 @@
+" Vim indent file
+" Language: CMake (ft=cmake)
+" Author:	Andy Cedilnik <andy.cedilnik@kitware.com>
+" URL:		http://www.cmake.org
+" Last Change:	Sun Mar 23 15:41:55 EST 2003
+
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=CMakeGetIndent(v:lnum)
+
+" Only define the function once.
+if exists("*CMakeGetIndent")
+  finish
+endif
+
+fun! CMakeGetIndent(lnum)
+  let this_line = getline(a:lnum)
+
+  " Find a non-blank line above the current line.
+  let lnum = a:lnum
+  let lnum = prevnonblank(lnum - 1)
+  let previous_line = getline(lnum)
+
+  " Hit the start of the file, use zero indent.
+  if lnum == 0
+    return 0
+  endif
+
+  let ind = indent(lnum)
+
+  let or = '\|'
+  " Regular expressions used by line indentation function.
+  let cmake_regex_comment = '#.*'
+  let cmake_regex_identifier = '[A-Za-z][A-Za-z0-9_]*'
+  let cmake_regex_quoted = '"\([^"\\]\|\\.\)*"'
+  let cmake_regex_arguments = '\(' . cmake_regex_quoted .
+                    \       or . '\$(' . cmake_regex_identifier . ')' .
+                    \       or . '[^()\\#"]' . or . '\\.' . '\)*'
+
+  let cmake_indent_comment_line = '^\s*' . cmake_regex_comment
+  let cmake_indent_blank_regex = '^\s*$')
+  let cmake_indent_open_regex = '^\s*' . cmake_regex_identifier .
+                    \           '\s*(' . cmake_regex_arguments .
+                    \           '\(' . cmake_regex_comment . '\)\?$'
+
+  let cmake_indent_close_regex = '^' . cmake_regex_arguments .
+                    \            ')\s*' .
+                    \            '\(' . cmake_regex_comment . '\)\?$'
+
+  let cmake_indent_begin_regex = '^\s*\(IF\|MACRO\|FOREACH\|ELSE\)\s*('
+  let cmake_indent_end_regex = '^\s*\(ENDIF\|ENDFOREACH\|ENDMACRO\|ELSE\)\s*('
+
+  " Add
+  if previous_line =~? cmake_indent_comment_line " Handle comments
+    let ind = ind
+  else
+    if previous_line =~? cmake_indent_begin_regex
+      let ind = ind + &sw
+    endif
+    if previous_line =~? cmake_indent_open_regex
+      let ind = ind + &sw
+    endif
+  endif
+
+  " Subtract
+  if this_line =~? cmake_indent_end_regex
+    let ind = ind - &sw
+  endif
+  if previous_line =~? cmake_indent_close_regex
+    let ind = ind - &sw
+  endif
+
+  return ind
+endfun