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174 lines
6.0 KiB
Python
174 lines
6.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Created on Thu Jan 19 16:29:03 2012
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@author: Fesh0r
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@version: v0.1
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"""
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import sys
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import os
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import fnmatch
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import shutil
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import re
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from optparse import OptionParser
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_MODIFIERS = r'public|protected|private|static|abstract|final|native|synchronized|transient|volatile|strictfp'
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_REGEXP = {
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# Remove trailing whitespace
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'trailing': re.compile(r'[ \t]+$', re.MULTILINE),
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# Remove repeated blank lines
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'newlines': re.compile(r'^\n{2,}', re.MULTILINE),
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'modifiers': re.compile(r'(' + _MODIFIERS + ') '),
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'list': re.compile(r', '),
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'enum_class': re.compile(r'^(?P<modifiers>(?:(?:' + _MODIFIERS + r') )*)(?P<type>enum) (?P<name>[\w$]+)(?: implements (?P<implements>[\w$.]+(?:, [\w$.]+)*))? \{\n(?P<body>(?:.*?\n)*?)(?P<end>\}\n+)', re.MULTILINE),
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'enum_entries': re.compile(r'^ {3}(?P<name>[\w$]+)\("(?P=name)", [0-9]+(?:, (?P<body>.*?))?\)(?P<end>(?:;|,)\n+)', re.MULTILINE),
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'empty_super': re.compile(r'^ +super\(\);\n', re.MULTILINE),
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# strip trailing 0 from doubles and floats to fix decompile differences on OSX
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# 0.0010D => 0.001D
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'trailingzero': re.compile(r'(?P<value>[0-9]+\.[0-9]*[1-9])0+(?P<type>[DdFfEe])'),
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}
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_REGEXP_STR = {
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'constructor': r'^ {3}(?P<modifiers>(?:(?:' + _MODIFIERS + r') )*)%s\((?P<parameters>.*?)\)(?: throws (?P<throws>[\w$.]+(?:, [\w$.]+)*))? \{(?:(?P<empty>\}\n+)|(?:(?P<body>\n(?:.*?\n)*?)(?P<end> {3}\}\n+)))',
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'enum_values': r'^ {3}// \$FF: synthetic field\n {3}private static final %s\[\] [\w$]+ = new %s\[\]\{.*?\};\n',
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}
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class Error(Exception):
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pass
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class ParseError(Error):
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pass
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def fffix(srcdir):
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for path, _, filelist in os.walk(srcdir, followlinks=True):
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for cur_file in fnmatch.filter(filelist, '*.java'):
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src_file = os.path.normpath(os.path.join(path, cur_file))
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_process_file(src_file)
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def _process_enum(class_name, class_type, modifiers, implements, body, end):
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def _enum_entries_match(match):
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entry_body = ''
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if match.group('body'):
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entry_body = '(' + match.group('body') + ')'
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new_entry = ' ' + match.group('name') + entry_body + match.group('end')
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return new_entry
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body = _REGEXP['enum_entries'].sub(_enum_entries_match, body)
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values_regex = re.compile(_REGEXP_STR['enum_values'] % (re.escape(class_name), re.escape(class_name)), re.MULTILINE)
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body = values_regex.sub(r'', body)
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# process constructors
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def constructor_match(match):
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modifiers = _REGEXP['modifiers'].findall(match.group('modifiers'))
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if match.group('modifiers') and not modifiers:
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raise ParseError('no modifiers match in %s \'%s\'' % (match.group('name'), match.group('modifiers')))
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parameters = []
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if match.group('parameters'):
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parameters = _REGEXP['list'].split(match.group('parameters'))
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throws = []
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if match.group('throws'):
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throws = _REGEXP['list'].split(match.group('throws'))
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if match.group('empty') is not None:
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method_body = ''
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method_end = match.group('empty')
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else:
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method_body = match.group('body')
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method_end = match.group('end')
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return _process_constructor(class_name, modifiers, parameters, throws, method_body, method_end)
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constructor_regex = re.compile(_REGEXP_STR['constructor'] % re.escape(class_name), re.MULTILINE)
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body = constructor_regex.sub(constructor_match, body)
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# rebuild enum
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out = ''
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if modifiers:
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out += ' '.join(modifiers) + ' '
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out += class_type + ' ' + class_name
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if implements:
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out += ' implements ' + ', '.join(implements)
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out += ' {\n' + body + end
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return out
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def _process_constructor(class_name, modifiers, parameters, throws, body, end):
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if len(parameters) >= 2:
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if parameters[0].startswith('String ') and parameters[1].startswith('int '):
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parameters = parameters[2:]
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# empty constructor
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if body == '' and len(parameters) == 0:
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return ''
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else:
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raise ParseError('invalid initial parameters in enum %s: %s' % (class_name, str(parameters)))
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else:
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raise ParseError('not enough parameters in enum %s: %s' % (class_name, str(parameters)))
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# rebuild constructor
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out = ' '
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if modifiers:
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out += ' '.join(modifiers) + ' '
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out += class_name + '(' + ', '.join(parameters) + ')'
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if throws:
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out += ' throws ' + ', '.join(throws)
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out += ' {' + body + end
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return out
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def _process_file(src_file):
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class_name = os.path.splitext(os.path.basename(src_file))[0]
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tmp_file = src_file + '.tmp'
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with open(src_file, 'r') as fh:
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buf = fh.read()
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buf = _REGEXP['trailing'].sub(r'', buf)
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def enum_match(match):
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if class_name != match.group('name'):
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raise ParseError("file name and class name differ: '%s' '%s" % (class_name, match.group('name')))
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modifiers = _REGEXP['modifiers'].findall(match.group('modifiers'))
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if match.group('modifiers') and not modifiers:
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raise ParseError("no modifiers match in %s '%s'" % (match.group('name'), match.group('modifiers')))
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implements = []
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if match.group('implements'):
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implements = _REGEXP['list'].split(match.group('implements'))
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return _process_enum(match.group('name'), match.group('type'), modifiers, implements, match.group('body'),
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match.group('end'))
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buf = _REGEXP['enum_class'].sub(enum_match, buf)
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buf = _REGEXP['empty_super'].sub(r'', buf)
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buf = _REGEXP['trailingzero'].sub(r'\g<value>\g<type>', buf)
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buf = _REGEXP['newlines'].sub(r'\n', buf)
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with open(tmp_file, 'w') as fh:
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fh.write(buf)
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shutil.move(tmp_file, src_file)
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def main():
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usage = 'usage: %prog [options] src_dir'
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version = '%prog 6.0'
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parser = OptionParser(version=version, usage=usage)
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options, args = parser.parse_args()
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if len(args) != 1:
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print >> sys.stderr, 'src_dir required'
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sys.exit(1)
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fffix(args[0])
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if __name__ == '__main__':
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main()
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