[plugins] added Linediff

1 files changed, 48 insertions, 0 deletions

diff --git a/plugin/linediff.vim b/plugin/linediff.vim
new file mode 100644
index 0000000..f154d6d
--- /dev/null
+++ b/plugin/linediff.vim
@@ -0,0 +1,48 @@
+if exists("g:loaded_linediff") || &cp
+  finish
+endif
+
+let g:loaded_linediff = '0.1.1' " version number
+let s:keepcpo         = &cpo
+set cpo&vim
+
+" Initialized lazily to avoid executing the autoload file before it's really
+" needed.
+function! s:Init()
+  if !exists('s:differ_one')
+    let s:differ_one = linediff#differ#New('linediff_one', 1)
+    let s:differ_two = linediff#differ#New('linediff_two', 2)
+  endif
+endfunction
+
+command! -range Linediff call s:Linediff(<line1>, <line2>)
+function! s:Linediff(from, to)
+  call s:Init()
+
+  if s:differ_one.IsBlank()
+    call s:differ_one.Init(a:from, a:to)
+  elseif s:differ_two.IsBlank()
+    call s:differ_two.Init(a:from, a:to)
+
+    call s:PerformDiff(s:differ_one, s:differ_two)
+  else
+    call s:differ_one.Reset()
+    call s:differ_two.Reset()
+
+    call s:Linediff(a:from, a:to)
+  endif
+endfunction
+
+command! LinediffReset call s:LinediffReset()
+function! s:LinediffReset()
+  call s:differ_one.Reset()
+  call s:differ_two.Reset()
+endfunction
+
+function! s:PerformDiff(one, two)
+  call a:one.CreateDiffBuffer("tabedit")
+  call a:two.CreateDiffBuffer("rightbelow vsplit")
+
+  let a:one.other_differ = a:two
+  let a:two.other_differ = a:one
+endfunction