Mercurial > python-cmd2
diff cmd2.py @ 171:0b93f1a4076c
lstripping commands
author | catherine@dellzilla |
---|---|
date | Fri, 12 Dec 2008 09:54:08 -0500 |
parents | 310ebf4baa7a |
children | c01f8e612a0a |
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--- a/cmd2.py Wed Dec 10 16:33:05 2008 -0500 +++ b/cmd2.py Fri Dec 12 09:54:08 2008 -0500 @@ -201,7 +201,7 @@ Settable parameters: %(settable)s """ % { 'casesensitive': ('not ' and self.caseInsensitive) or '', - 'terminators': self.terminatorPattern, + 'terminators': str(self.terminators), 'settable': ' '.join(self.settable) }) @@ -227,7 +227,8 @@ commentGrammars = pyparsing.Or([pyparsing.pythonStyleComment, pyparsing.cStyleComment]) commentGrammars.addParseAction(lambda x: '') commentInProgress = pyparsing.Literal('/*') + pyparsing.SkipTo(pyparsing.stringEnd) - terminators = [';', '\n\n'] + terminators = [';'] + blankLinesAllowed = False multilineCommands = [] def _init_parser(self): @@ -373,7 +374,7 @@ - terminator: ; ''' outputParser = pyparsing.oneOf(['>>','>'])('output') - terminatorParser = pyparsing.oneOf(self.terminators)('terminator') + terminatorParser = pyparsing.Or([(hasattr(t, 'parseString') and t) or pyparsing.Literal(t) for t in self.terminators])('terminator') stringEnd = pyparsing.stringEnd ^ '\nEOF' multilineCommand = pyparsing.Or([pyparsing.Keyword(c, caseless=self.caseInsensitive) for c in self.multilineCommands])('multilineCommand') oneLineCommand = pyparsing.Word(self.legalChars)('command') @@ -386,13 +387,22 @@ if self.caseInsensitive: multilineCommand.setParseAction(lambda x: x[0].lower()) oneLineCommand.setParseAction(lambda x: x[0].lower()) + blankLineTerminator = (pyparsing.Literal('\n') + pyparsing.stringEnd)('terminator') + if self.blankLinesAllowed: + subparser0 = pyparsing.NoMatch + else: + subparser0 = ((multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(blankLineTerminator).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') subparser1 = (((multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') + pyparsing.SkipTo(outputParser ^ pipe ^ stringEnd).setParseAction(lambda x: x[0].strip())('suffix') + afterElements) + #subparser1 = (((multilineCommand ^ oneLineCommand) + pyparsing.SkipTo(terminatorParser).setParseAction(lambda x: x[0].strip())('args') + terminatorParser)('statement') + + # pyparsing.Optional(pyparsing.SkipTo(outputParser ^ pipe ^ stringEnd).setParseAction(lambda x: x[0].strip()))('suffix') + afterElements) subparser2 = ((oneLineCommand + pyparsing.SkipTo(terminatorParser ^ stringEnd ^ pipe ^ outputParser).setParseAction(lambda x:x[0].strip())('args'))('statement') + pyparsing.Optional(terminatorParser) + afterElements) self.parser = ( pyparsing.stringEnd | + subparser0 + | subparser1 | multilineCommand + pyparsing.SkipTo(pyparsing.stringEnd) @@ -412,7 +422,7 @@ if isinstance(raw, ParsedString): p = raw else: - s = self.inputParser.transformString(raw) # used to be raw.strip() + s = self.inputParser.transformString(raw.lstrip()) for (shortcut, expansion) in self.shortcuts.items(): if s.startswith(shortcut): s = s.replace(shortcut, expansion + ' ', 1) @@ -441,7 +451,6 @@ This (`cmd2`) version of `onecmd` already override's `cmd`'s `onecmd`. """ - #line = line.strip() # trying to allow proper \n\n endings if not line: return self.emptyline() if not pyparsing.Or(self.commentGrammars).setParseAction(lambda x: '').transformString(line):