BaseTools: Regular Expressions refactor out the hex char for later reuse

[mirror_edk2.git] / BaseTools / Source / Python / Common / GlobalData.py

diff --git a/BaseTools/Source/Python/Common/GlobalData.py b/BaseTools/Source/Python/Common/GlobalData.py
index 83ba3d19961ae1b896fb49813baf32cc40562d9a..3933e86cb9f650e999b967943d43b67113a62e7d 100644 (file)
--- a/BaseTools/Source/Python/Common/GlobalData.py
+++ b/BaseTools/Source/Python/Common/GlobalData.py
@@ -51,6 +51,14 @@ gMacroRefPattern = re.compile("\$\(({})\)".format(_MacroNamePattern), re.UNICODE
 gMacroDefPattern = re.compile("^(DEFINE|EDK_GLOBAL)[ \t]+")\r
 gMacroNamePattern = re.compile("^{}$".format(_MacroNamePattern))\r
 \r
+# definition for a GUID.  used to create regular expressions below.\r
+_HexChar = r"[0-9a-fA-F]"\r
+_GuidPattern = r"{Hex}{{8}}-{Hex}{{4}}-{Hex}{{4}}-{Hex}{{4}}-{Hex}{{12}}".format(Hex=_HexChar)\r
+\r
+## Regular expressions for GUID matching\r
+gGuidPattern = re.compile(r'{}'.format(_GuidPattern))\r
+gGuidPatternEnd = re.compile(r'{}$'.format(_GuidPattern))\r
+\r
 #\r
 # A global variable for whether current build in AutoGen phase or not.\r
 #\r