First commit.

Author: chikamichi

MIT-LICENSE

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+Copyright 2010 Jean-Denis Vauguet
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+## Synopsis
+
+This is a [Sublime Text 2](http://www.sublimetext.com/2) plugin.
+
+**Highlight trailing spaces and provide a command to delete them.**
+
+ST2 provides a way to automatically delete trailing spaces upon file save.
+Depending on your settings, it may be more handy to just highlight them and/or
+delete them by hand. This plugin provides just that!
+
+## Installation
+
+Go to your `Packages` subdirectory under ST2's data directory:
+
+    Windows: `%APPDATA%\Sublime Text 2`
+    OS X: `~/Library/Application Support/Sublime Text 2`
+    Linux: `~/.config/sublime-text-2`
+    Portable Installation: `Sublime Text 2/Data`
+
+Then clone this repository:
+
+    git clone git://github.com/SublimeText/TrailingSpaces.git
+
+That's it!
+
+## Options
+
+Several options are available to customize the plugin look 'n feel. The
+config keys goes into config files accessible throught the "Preferences"
+menu.
+
+### Bind the deletion command to a shortcut
+
+In order to use the deletion feature, one must add the mapping by hand
+(this should probably go into "Key Bindings - User"):
+
+``` js
+{ "keys": ["ctrl+shift+t"], "command": "delete_trailing_spaces" }
+```
+
+### Change the highlighting color
+
+One may also change the highlighting color, providing a scope name such
+as "invalid", "comment"... in "File Settings - User":
+
+``` js
+{ "trailing_spaces_highlight_color": "invalid" }
+```
+
+Actually, "invalid" is the default value. If you'd like to use a custom color,
+it should be defined as a color scope in your theme file. Feel free to ask me
+how to do it.
+
+### Disabling highlighting for large files
+
+Highlighting may be disabled for large files. The default threshold is around
+1 Mo. This is configurable (in "File Settings - User"); unit is number of chars:
+
+``` js
+{ "trailing_spaces_file_max_size": 1000}
+```
+
+Even though the trailing spaces are not highlighted, one can still delete them
+using the deletion command.

trailing_spaces.py

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+'''
+Provides both a trailing spaces highlighter and a deletion command.
+
+Config summary (see README.md for details):
+
+    # key binding
+    { "keys": ["ctrl+shift+t"], "command": "delete_trailing_spaces" }
+
+    # file settings
+    {
+      "trailing_spaces_highlight_color": "invalid",
+      "trailing_spaces_file_max_size": 1000
+    }
+
+@author: Jean-Denis Vauguet <[email protected]>, Oktay Acikalin <[email protected]>
+@license: MIT (http://www.opensource.org/licenses/mit-license.php)
+@since: 2011-02-25
+'''
+
+import sublime, sublime_plugin
+
+DEFAULT_MAX_FILE_SIZE = 1048576
+DEFAULT_COLOR_SCOPE_NAME = "invalid"
+
+# Return an array of regions matching trailing spaces.
+def find_trailing_spaces(view):
+    trails = view.find_all('[ \t]+$')
+    regions = []
+    for trail in trails:
+      regions.append(trail)
+    return regions
+
+# Highlight matching regions.
+class TrailingSpacesHighlightListener(sublime_plugin.EventListener):
+    def on_modified(self, view):
+        max_size = view.settings().get('trailing_spaces_file_max_size',
+                                       DEFAULT_MAX_FILE_SIZE)
+        color_scope_name = view.settings().get('trailing_spaces_highlight_color',
+                                               DEFAULT_COLOR_SCOPE_NAME)
+        if view.size() <= max_size:
+            regions = find_trailing_spaces(view)
+            view.add_regions('TrailingSpacesHighlightListener',
+                             regions, color_scope_name,
+                             sublime.DRAW_EMPTY)
+
+# Allows to erase matching regions.
+class DeleteTrailingSpacesCommand(sublime_plugin.TextCommand):
+    def run(self, edit):
+        regions = find_trailing_spaces(self.view)
+
+        if regions:
+            # deleting a region changes the other regions positions, so we
+            # handle this maintaining an offset
+            offset = 0
+            for region in regions:
+                r = sublime.Region(region.a + offset, region.b + offset)
+                self.view.erase(edit, sublime.Region(r.a, r.b))
+                offset -= r.size()
+
+            msg_parts = {"nbRegions": len(regions),
+                         "plural":    's' if len(regions) > 1 else ''}
+            msg = "Deleted %(nbRegions)s trailing spaces region%(plural)s" % msg_parts
+        else:
+            msg = "No trailing spaces to delete!"
+
+        sublime.status_message(msg)