Add vimrc

Change-Id: I25f3f01fc24ba0d94aa84f7ae5fab22a282460ae

.vim/CurtinIncSw.vim

@@ -0,0 +1,41 @@
+function! CurtineIncSw()
+  if match(expand("%"), '\.c') > 0
+    let l:next_file = substitute(".*\\\/" . expand("%:t"), '\.c\(.*\)', '.h[a-z]*', "")
+  elseif match(expand("%"), "\\.h") > 0
+    let l:next_file = substitute(".*\\\/" . expand("%:t"), '\.h\(.*\)', '.c[a-z]*', "")
+  endif
+
+  if exists("b:previous_file") && b:previous_file == l:next_file
+    e#
+  else
+    let l:directory_name = fnamemodify(expand("%:p"), ":h")
+    " At this point cmd might evaluate to something of the format:
+    " /Users/person/ . -type f -iregex ".*\/test_class.h[a-z]*" -print -quit
+    let l:cmd="find " . l:directory_name . " . -type f -iregex \""  . l:next_file . "\" -print -quit"
+
+    " The substitute gets rid of the new line at the end of the result. The
+    " function `filereadable` does not like the newline that `find` puts at
+    " the end of the result and will not acknowledge that the file exists.
+    let l:result = substitute(system(l:cmd), '\n', '', '')
+
+    if filereadable(l:result)
+      exe "e " l:result
+    endif
+  endif
+endfun
+
+function! GetCurrentFile()
+  if exists("b:current_file")
+    let b:previous_file = b:current_file
+  endif
+
+  if match(expand("%"), '\.c') > 0
+    let b:current_file = substitute(".*\\\/" . expand("%:t"), '\.c\(.*\)', '.c[a-z]*', "")
+  elseif match(expand("%"), "\\.h") > 0
+    let b:current_file = substitute(".*\\\/" . expand("%:t"), '\.h\(.*\)', '.h[a-z]*', "")
+  endif
+endfun
+
+augroup CurtineIncSwCurrentFile
+  autocmd BufWinEnter * call GetCurrentFile()
+augroup END