capture error code if the -s arg is used (#51)

Author: braver

README.md

@@ -21,6 +21,17 @@ Before using this plugin, ensure that `phpcs` is installed on your system, prefe
 - SublimeLinter settings: http://sublimelinter.com/en/latest/settings.html
 - Linter settings: http://sublimelinter.com/en/latest/linter_settings.html
 
+Use the `"args"` setting to configure the coding standard, and/or to display the sniff codes for each error:
+
+```json
+{
+    "args": [
+        "--standard=PEAR", // code standard
+        "-s"               // display sniff codes
+    ]
+}
+```
+
 ### Per-project Standards
 You can set up your project settings to use a specific standard using the following: 
 

linter.py

@@ -3,9 +3,10 @@
 
 class Phpcs(ComposerLinter):
     cmd = ('phpcs', '--report=emacs', '${args}', '-')
-    regex = r'^.*:(?P<line>[0-9]+):(?P<col>[0-9]+): (?:(?P<error>error)|(?P<warning>warning)) - (?P<message>.+)'
+    regex = r'^.*:(?P<line>[0-9]+):(?P<col>[0-9]+): (?:(?P<error>error)|(?P<warning>warning)) - (?P<message>(.(?!\(\S+\)$))+)( \((?P<code>\S+)\)$)?'  # noqa: E501
     defaults = {
         'selector': 'source.php - text.blade, text.html.basic',
-        # we want auto-substitution of the filename, but `cmd` does not support that yet
+        # we want auto-substitution of the filename,
+        # but `cmd` does not support that yet
         '--stdin-path=': '${file}'
     }