Reduced duplication between formatting scripts with Task base class (#80)

Also added scripts for EOF newline management and for removing trailing whitespace. configure.bat was rewritten to use CRLF line endings. Documentation for the existing scripts was also improved.

styleguide/task.py

@@ -0,0 +1,75 @@
+# Provides a task base class for use by format.py
+
+from abc import *
+import os
+import re
+
+sep = os.sep
+# If directory separator is backslash, escape it for regexes
+if sep == "\\":
+    sep += "\\"
+
+# List of folder regexes which should be excluded from modification
+folderExclude = \
+    [name + sep for name in [
+     "\.git",
+     "\.gradle",
+     "FRC_FPGA_ChipObject",
+     "NetworkCommunication",
+     "__pycache__",
+     "build",
+     "ctre",
+     "frccansae",
+     "gtest",
+     "i2clib",
+     "msgs",
+     "ni-libraries",
+     "ni" + sep + "vision",
+     "spilib",
+     "wpilibj" + sep + "src" + sep + "athena" + sep + "cpp" + sep + "include",
+     "wpilibj" + sep + "src" + sep + "athena" + sep + "cpp" + sep + "lib",
+     "wpilibj" + sep + "src" + sep + "athena" + sep + "cpp" + sep + "nivision",
+     "visa"]]
+
+# List of file regexes which should be excluded from modification
+fileExclude = [name + "$" for name in [
+               "CanTalonSRX\.h",
+               "NIIMAQdx\.h",
+               "can_proto\.h",
+               "nivision\.h",
+               "\.jar",
+               "\.patch",
+               "\.png",
+               "\.py",
+               "\.so"]]
+
+# Regex of exclusions
+regexExclude = re.compile("|".join(folderExclude + fileExclude))
+
+class Task(object):
+    __metaclass__ = ABCMeta
+
+    def __init__(self):
+        self.regexInclude = re.compile("|".join(["\." + ext + "$" for ext in
+                                                 self.getIncludeExtensions()]))
+
+    # Extensions of files which should be included in processing
+    def getIncludeExtensions(self):
+        return []
+
+    # Perform task on file with given name
+    @abstractmethod
+    def run(self, name):
+        return
+
+    # Returns True if file isn't generated (generated files are skipped)
+    @staticmethod
+    def notGeneratedFile(name):
+        return not regexExclude.search(name)
+
+    # Returns True if file has an extension this task can process
+    def fileMatchesExtension(self, name):
+        if self.getIncludeExtensions() != []:
+            return self.regexInclude.search(name)
+        else:
+            return True