--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardServer.py Mon Jul 08 22:36:10 2013 +0200
@@ -0,0 +1,159 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2013 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the PyQt5 server part of the QRegularExpression wizzard.
+"""
+
+from __future__ import unicode_literals # __IGNORE_WARNING__
+
+import json
+import sys
+
+
+def rxValidate(regexp, options):
+ """
+ Function to validate the given regular expression.
+
+ @param regexp regular expression to validate (string)
+ @param options list of options (list of string)
+ @return tuple of flag indicating validity (boolean), error
+ string (string) and error offset (integer)
+ """
+ try:
+ from PyQt5.QtCore import QRegularExpression
+ rxOptions = QRegularExpression.NoPatternOption
+ if "CaseInsensitiveOption" in options:
+ rxOptions |= QRegularExpression.CaseInsensitiveOption
+ if "MultilineOption" in options:
+ rxOptions |= QRegularExpression.MultilineOption
+ if "DotMatchesEverythingOption" in options:
+ rxOptions |= QRegularExpression.DotMatchesEverythingOption
+ if "ExtendedPatternSyntaxOption" in options:
+ rxOptions |= QRegularExpression.ExtendedPatternSyntaxOption
+ if "InvertedGreedinessOption" in options:
+ rxOptions |= QRegularExpression.InvertedGreedinessOption
+ if "UseUnicodePropertiesOption" in options:
+ rxOptions |= QRegularExpression.UseUnicodePropertiesOption
+ if "DontCaptureOption" in options:
+ rxOptions |= QRegularExpression.DontCaptureOption
+
+ error = ""
+ errorOffset = -1
+ re = QRegularExpression(regexp, rxOptions)
+ valid = re.isValid()
+ if not valid:
+ error = re.errorString()
+ errorOffset = re.patternErrorOffset()
+ except ImportError:
+ valid = False
+ error = "ImportError"
+ errorOffset = 0
+
+ return valid, error, errorOffset
+
+
+def rxExecute(regexp, options, text, startpos):
+ """
+ Function to execute the given regular expression for a given text.
+
+ @param regexp regular expression to validate (string)
+ @param options list of options (list of string)
+ @param text text to execute on (string)
+ @param startpos start position for the execution (integer)
+ @return tuple of a flag indicating a successful match (boolean) and
+ a list of captures containing the complete match as matched string
+ (string), match start (integer), match end (integer) and match length
+ (integer) for each entry
+ """
+ valid, error, errorOffset = rxValidate(regexp, options)
+ if not valid:
+ return valid, error, errorOffset
+
+ from PyQt5.QtCore import QRegularExpression
+ rxOptions = QRegularExpression.NoPatternOption
+ if "CaseInsensitiveOption" in options:
+ rxOptions |= QRegularExpression.CaseInsensitiveOption
+ if "MultilineOption" in options:
+ rxOptions |= QRegularExpression.MultilineOption
+ if "DotMatchesEverythingOption" in options:
+ rxOptions |= QRegularExpression.DotMatchesEverythingOption
+ if "ExtendedPatternSyntaxOption" in options:
+ rxOptions |= QRegularExpression.ExtendedPatternSyntaxOption
+ if "InvertedGreedinessOption" in options:
+ rxOptions |= QRegularExpression.InvertedGreedinessOption
+ if "UseUnicodePropertiesOption" in options:
+ rxOptions |= QRegularExpression.UseUnicodePropertiesOption
+ if "DontCaptureOption" in options:
+ rxOptions |= QRegularExpression.DontCaptureOption
+
+ matched = False
+ captures = []
+ re = QRegularExpression(regexp, rxOptions)
+ match = re.match(text, startpos)
+ if match.hasMatch():
+ matched = True
+ for index in range(match.lastCapturedIndex() + 1):
+ captures.append([
+ match.captured(index),
+ match.capturedStart(index),
+ match.capturedEnd(index),
+ match.capturedLength(index)
+ ])
+
+ return matched, captures
+
+
+def main():
+ """
+ Function containing the main routine.
+ """
+ while True:
+ commandStr = sys.stdin.readline()
+ try:
+ commandDict = json.loads(commandStr)
+ responseDict = {"error": ""}
+ if "command" in commandDict:
+ command = commandDict["command"]
+ if command == "exit":
+ break
+ elif command == "available":
+ try:
+ import PyQt5 # __IGNORE_WARNING__
+ responseDict["available"] = True
+ except ImportError:
+ responseDict["available"] = False
+ elif command == "validate":
+ valid, error, errorOffset = rxValidate(commandDict["regexp"],
+ commandDict["options"])
+ responseDict["valid"] = valid
+ responseDict["errorMessage"] = error
+ responseDict["errorOffset"] = errorOffset
+ elif command == "execute":
+ valid, error, errorOffset = rxValidate(commandDict["regexp"],
+ commandDict["options"])
+ if not valid:
+ responseDict["valid"] = valid
+ responseDict["errorMessage"] = error
+ responseDict["errorOffset"] = errorOffset
+ else:
+ matched, captures = rxExecute(commandDict["regexp"],
+ commandDict["options"], commandDict["text"],
+ commandDict["startpos"])
+ responseDict["matched"] = matched
+ responseDict["captures"] = captures
+ except ValueError as err:
+ responseDict = {"error": str(err)}
+ except Exception as err:
+ responseDict = {"error": str(err)}
+ responseStr = json.dumps(responseDict)
+ sys.stdout.write(responseStr)
+ sys.stdout.flush()
+
+ sys.exit(0)
+
+
+if __name__ == "__main__":
+ main()
