From 7d2a6cf9f0c597f8780a8da7bec8acd33d2c9c66 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Mon, 23 Feb 2009 22:25:24 -0500
Subject: Attempt to preserve existing EOL mode for opened files;
 core/file_io.lua

---
 core/file_io.lua | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'core/file_io.lua')

diff --git a/core/file_io.lua b/core/file_io.lua
index 32764f12..12367c47 100644
--- a/core/file_io.lua
+++ b/core/file_io.lua
@@ -41,8 +41,17 @@ local function open_helper(filename)
   end
   local buffer = textadept.new_buffer()
   if text then
+    -- Check for binary file. If it is one, it's not UTF-8
     local chunk = #text > 65536 and text:sub(1, 65536) or text
-    if chunk:find('\0') then buffer.code_page = 0 end -- binary file; no UTF-8
+    if chunk:find('\0') then buffer.code_page = 0 end
+    -- Tries to set the buffer's EOL mode appropriately based on the file.
+    local c = textadept.constants
+    local s, e = text:find('\r\n?')
+    if s and e then
+      buffer.eol_mode = (s == e and c.SC_EOL_CR or c.SC_EOL_CRLF)
+    else
+      buffer.eol_mode = c.SC_EOL_LF
+    end
     buffer:add_text(text, #text)
     buffer:goto_pos(0)
     buffer:empty_undo_buffer()
-- 
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