WIP: First working code and test (TriBITSPub#274)

test/python_utils/lower_case_cmake_UnitTests.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+#################################
+# Unit testing code for gitdist #
+#################################
+
+import sys
+import imp
+import shutil
+
+from unittest_helpers import *
+
+pythonDir = os.path.abspath(GeneralScriptSupport.getScriptBaseDir())
+utilsDir = pythonDir+"/utils"
+tribitsDir = os.path.abspath(pythonDir+"/..")
+
+sys.path = [pythonUtilsDir] + sys.path
+
+import lower_case_cmake as LCC
+
+
+class test_lower_case_cmake_str(unittest.TestCase):
+
+  def test_upper_1(self):
+    cmakeCodeStrIn = "\n"+\
+      "SET(SOME_VAR some_value)\n"+\
+      "\n"
+    cmakeCodeStrOut_expected = "\n"+\
+      "set(SOME_VAR some_value)\n"+\
+      "\n"
+    cmakeCodeStrOut = LCC.lower_case_cmake_str(cmakeCodeStrIn)
+    self.assertEqual(cmakeCodeStrOut, cmakeCodeStrOut_expected)
+
+
+  def test_mixed_1(self):
+    cmakeCodeStrIn = "\n"+\
+      "  SET (SOME_VAR some_value)\n"+\
+      "\n"+\
+      "  # Some comment\n"+\
+      "  Some_Longer_Func(SOME_VAR some_value)\n"+\
+      "\n"+\
+      "  other_functioNS\n"+\
+      "    (\n"+\
+      "      SOME_VAR some_value)\n"+\
+      "\n"
+    cmakeCodeStrOut_expected = "\n"+\
+      "  set (SOME_VAR some_value)\n"+\
+      "\n"+\
+      "  # Some comment\n"+\
+      "  some_longer_func(SOME_VAR some_value)\n"+\
+      "\n"+\
+      "  other_functions\n"+\
+      "    (\n"+\
+      "      SOME_VAR some_value)\n"+\
+      "\n"
+    cmakeCodeStrOut = LCC.lower_case_cmake_str(cmakeCodeStrIn)
+    self.assertEqual(cmakeCodeStrOut, cmakeCodeStrOut_expected)
+
+
+if __name__ == '__main__':
+  unittest.main()

tribits/python_utils/lower_case_cmake.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import sys
+import re
+
+
+# Lower case CMake command calls and macro and function names.
+#
+def lower_case_cmake_str(cmakeCodeStrIn):
+  # Regex for a command name in CMake (upper or lower case chars)
+  p = re.compile(r'[a-zA-Z_][a-zA-Z0-9_]*[\s]*\(', re.DOTALL)
+  cmakeCodeStrOut = ""
+  cmakeCodeStrInLen = len(cmakeCodeStrIn)
+  cmakeCodeStrStartSearchIdx = 0
+  while cmakeCodeStrStartSearchIdx < cmakeCodeStrInLen:
+    m = p.search(cmakeCodeStrIn[cmakeCodeStrStartSearchIdx:])
+    if m:
+      # Get the substr for the match
+      cmakeCodeStrMatchStartIdx = cmakeCodeStrStartSearchIdx + m.start() 
+      cmakeCodeStrMatchEndIdx = cmakeCodeStrStartSearchIdx + m.end() 
+      commandCallMatchStr = \
+        cmakeCodeStrIn[cmakeCodeStrMatchStartIdx:cmakeCodeStrMatchEndIdx]
+      assert m.group() == commandCallMatchStr
+      # Lower case the matching command call and update the output string
+      # since last match
+      cmakeCodeStrOut += \
+        cmakeCodeStrIn[cmakeCodeStrStartSearchIdx:cmakeCodeStrMatchStartIdx]
+      cmakeCodeStrOut += commandCallMatchStr.lower()
+      # Update indexes for next search
+      cmakeCodeStrStartSearchIdx += m.end()
+    else:
+      # No more matches so copy the rest of the string
+      cmakeCodeStrOut += \
+        cmakeCodeStrIn[cmakeCodeStrStartSearchIdx:]
+      break
+
+  return cmakeCodeStrOut
+
+
+
+
+#
+# Helper functions for main()
+#
+
+
+usageHelp = r"""
+
+Convert the cmake command calls to lower case and the macro and function names
+to lower case in a given file.
+"""
+
+
+def getCmndLineOptions():
+  from argparse import ArgumentParser, RawDescriptionHelpFormatter
+  clp = ArgumentParser(description=usageHelp,
+    formatter_class=RawDescriptionHelpFormatter)
+  clp.add_argument("file", nargs='?', default="",
+    help="The file to operate on" )
+  options = clp.parse_args(sys.argv[1:])
+  return options
+
+
+#
+# main()
+#
+
+if __name__ == '__main__':
+  inOptions = getCmndLineOptions()
+
+