/usr/lib/x86_64-linux-gnu/root5.34/python/genreflex/selclass.py is in libroot-core-dev 5.34.00-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Permission to use, copy, modify, and distribute this software for any
# purpose is hereby granted without fee, provided that this copyright and
# permissions notice appear in all copies and derivatives.
#
# This software is provided "as is" without express or implied warranty.
import xml.parsers.expat
import os, sys, string, time, fnmatch
import re
class selClass :
#----------------------------------------------------------------------------------
def __init__(self, file, parse=0):
self.file = file
self.sel_classes = []
self.exc_classes = []
self.sel_functions = []
self.exc_functions = []
self.sel_enums = []
self.exc_enums = []
self.sel_vars = []
self.exc_vars = []
self.io_read_rules = {}
self.io_readraw_rules = {}
self.current_io_rule = None
self.classes = self.sel_classes
self.functions = self.sel_functions
self.enums = self.sel_enums
self.vars = self.sel_vars
self.ver_re = re.compile('^\d+-$|^-\d+$|^\d+$|^(\d+)-(\d+)$') # ie. it matches: 1-,-1,1,1-2
if parse : self.parse()
#----------------------------------------------------------------------------------
def parse(self):
p = xml.parsers.expat.ParserCreate()
p.StartElementHandler = self.start_element
p.EndElementHandler = self.end_element
p.CharacterDataHandler = self.char_data
f = open(self.file)
# Replace any occurence of <>& in the attribute values by the xml parameter
rxml, nxml = f.read(), ''
q1,q2 = 0,0
for c in rxml :
if (q1 or q2) and c == '<' : nxml += '<'
elif (q1 or q2) and c == '>' : nxml += '>'
# elif (q1 or q2) and c == '&' : nxml += '&'
else : nxml += c
if c == '"' : q1 = not q1
if c == "'" : q2 = not q2
try : p.Parse(nxml)
except xml.parsers.expat.ExpatError, e :
print '--->> genreflex: ERROR: parsing selection file ',self.file
print '--->> genreflex: ERROR: Error is:', e
raise
f.close()
#----------------------------------------------------------------------------------
def genNName(self, name ):
n_name = string.join(name.split())
for e in [ ['long long unsigned int', 'unsigned long long'],
['long long int', 'long long'],
['unsigned short int', 'unsigned short'],
['short unsigned int', 'unsigned short'],
['short int', 'short'],
['long unsigned int', 'unsigned long'],
['unsigned long int', 'unsigned long'],
['long int', 'long'],
['std::string', 'std::basic_string<char>']] :
n_name = n_name.replace(e[0],e[1])
n_name = n_name.replace(' ','')
return n_name
#----------------------------------------------------------------------------------
def start_element(self, name, attrs):
if name in ('class','struct'):
self.classes.append({'attrs':attrs, 'fields':[], 'methods':[]})
if 'name' in attrs : attrs['n_name'] = self.genNName(attrs['name'])
elif name in ('function'):
self.functions.append({'attrs':attrs})
if 'name' in attrs : attrs['name'] = attrs['name'].replace(' ','')
elif name in ('operator'):
self.functions.append({'attrs':attrs})
if 'name' in attrs :
attrs['name'] = attrs['name'].replace(' ','')
if attrs['name'][0].isalpha():
attrs['name'] = 'operator ' + attrs['name']
else :
attrs['name'] = 'operator' + attrs['name']
elif name in ('enum',):
self.enums.append({'attrs':attrs})
elif name in ('variable',):
self.vars.append({'attrs':attrs})
elif name in ('field',) :
self.classes[-1]['fields'].append(attrs)
elif name in ('method',) :
self.classes[-1]['methods'].append(attrs)
elif name in ('ioread', 'ioreadraw', 'read', 'readraw'):
self.current_io_rule = {'attrs': attrs, 'code': '' }
elif name in ('selection',) :
self.classes = self.sel_classes
self.functions = self.sel_functions
self.vars = self.sel_vars
self.enums = self.sel_enums
elif name in ('exclusion',) :
self.classes = self.exc_classes
self.functions = self.exc_functions
self.vars = self.exc_vars
self.enums = self.exc_enums
if 'pattern' in attrs :
attrs['n_pattern'] = self.genNName(attrs['pattern'])
#----------------------------------------------------------------------------------
def end_element(self, name):
if name in ('exclusion',) :
self.classes = self.sel_classes
self.functions = self.sel_functions
self.vars = self.sel_vars
self.enums = self.sel_enums
#------------------------------------------------------------------------------
# Processing io rules
#------------------------------------------------------------------------------
elif name == 'ioread' or name =='ioreadraw' or name == 'read' or name =='readraw':
if not self.isRuleValid( self.current_io_rule ):
print '--->> genreflex: WARNING: The IO rule has been omited'
self.current_io_rule = None
return
className = self.current_io_rule['attrs']['targetClass']
#----------------------------------------------------------------------------
# Handle read rule
#----------------------------------------------------------------------------
if name == 'ioread' or name == 'read':
if not self.io_read_rules.has_key( className ):
self.io_read_rules[className] = []
self.io_read_rules[className].append( self.current_io_rule )
self.current_io_rule = None
#----------------------------------------------------------------------------
# Handle readraw rule
#----------------------------------------------------------------------------
elif name == 'ioreadraw' or name == 'readraw':
source = self.current_io_rule['attrs']['source'].split(',')
if len(source) > 1:
print '--->> genreflex: WARNING: IO rule for class:', className,
print '- multiple sources speciffied for readraw rule!'
return
if not self.io_readraw_rules.has_key( className ):
self.io_readraw_rules[className] = []
self.io_readraw_rules[className].append( self.current_io_rule )
self.current_io_rule = None
self.current_io_rule = None
#----------------------------------------------------------------------------------
def isRuleValid(self, rule):
#------------------------------------------------------------------------------
# Checks if we have all necessary tags
#------------------------------------------------------------------------------
attrs = self.current_io_rule['attrs']
if not attrs.has_key( 'targetClass' ):
print '--->> genreflex: WARNING: You always have to specify the targetClass when specyfying an IO rule'
return False
className = attrs['targetClass'].strip()
warning = '--->> genreflex: WARNING: IO rule for class ' + className
if not attrs.has_key( 'sourceClass' ):
print warning, '- sourceClass attribute is missing'
return False
if not attrs.has_key( 'version' ) and not attrs.has_key( 'checksum' ):
print warning, '- You need to specify either version or checksum'
return False
#------------------------------------------------------------------------------
# Check if the checksums are correct
#------------------------------------------------------------------------------
if attrs.has_key( 'checksum' ):
chk = attrs['checksum']
if chk[0] != '[' or chk[-1] != ']':
print warning, '- a comma separated list of ints enclosed in square brackets expected',
print 'as a value of checksum parameter'
return False
lst = [item.strip() for item in chk[1:-1].split(',')]
if len( lst ) == 0:
print warning, 'the checksum list is empty'
return False
for chk in lst:
try:
if ( chk != "*" ):
i = int( chk )
except:
print warning, chk, 'is not a valid value of checksum parameter - an integer expected'
return False
#------------------------------------------------------------------------------
# Check if the versions are correct
#------------------------------------------------------------------------------
if attrs.has_key( 'version' ):
ver = attrs['version']
if ver[0] != '[' or ver[-1] != ']':
print warning, '- a comma separated list of version specifiers enclosed in square',
print 'brackets expected as a value of version parameter'
return False
lst = [item.strip() for item in ver[1:-1].split(',')]
if len( lst ) == 0:
print warning, 'the version list is empty'
return False
for v in lst:
if ( v != "*" ):
matchObj = self.ver_re.match( v )
if not matchObj:
print warning, '-', v, 'is not a valid value of version parameter'
return False
else:
rng = matchObj.groups()
if rng[0] and rng[1]:
b, e = int(rng[0]), int(rng[1])
if b >= e:
print warning, '-', v, 'is not a valid version range'
return False
#------------------------------------------------------------------------------
# Check if we deal with renameing rule
#------------------------------------------------------------------------------
if len( attrs ) == 3 or (len( attrs ) == 4 and attrs.has_key( 'version' ) and attrs.has_key( 'checksum' )):
return True
#------------------------------------------------------------------------------
# Check if we have other parameters specified correctly
#------------------------------------------------------------------------------
for k in ['target', 'source' ]:
if not attrs.has_key(k):
print warning, '- Required attribute is missing:', k
return False
if attrs.has_key( 'embed' ):
if attrs['embed'] != 'true' and attrs['embed'] != 'false':
print warning, '- true or false expected as a value of embed parameter'
return False
#------------------------------------------------------------------------------
# Check if the include list is not empty
#------------------------------------------------------------------------------
if attrs.has_key( 'include' ):
if len( attrs['include'] ) == 0:
print warning, 'empty include list specified'
return False
return True
#----------------------------------------------------------------------------------
def char_data(self, data):
if self.current_io_rule:
self.current_io_rule['code'] += data
#----------------------------------------------------------------------------------
def matchclassTD(self, clname, fname, sltor) :
clname = clname.replace(' ','')
for s in sltor :
if 'name' in s['attrs'] : s['attrs']['n_name'] = self.genNName(s['attrs']['name'])
return self.selclass(clname, fname, sltor), self.excclass(clname, fname)
#----------------------------------------------------------------------------------
def matchclass(self, clname, fname ) :
clname = clname.replace(' ','')
return self.selclass(clname, fname, self.sel_classes), self.excclass(clname, fname)
#----------------------------------------------------------------------------------
def selclass(self, clname, fname, sltor ) :
for c in sltor :
attrs = c['attrs']
if 'n_name' in attrs and attrs['n_name'] == clname \
or 'n_pattern' in attrs and self.matchpattern(clname,attrs['n_pattern']) \
or 'file_name' in attrs and attrs['file_name'] == fname \
or 'file_pattern' in attrs and self.matchpattern(fname,attrs['file_pattern']) :
c['used'] = 1
if c.has_key('fields'):
attrs['fields'] = c['fields']
return attrs
return None
#----------------------------------------------------------------------------------
def excclass(self, clname, fname ) :
for c in self.exc_classes :
if c['methods'] or c['fields'] : continue
attrs = c['attrs']
if 'n_name' in attrs and attrs['n_name'] == clname : return attrs
if 'n_pattern' in attrs and self.matchpattern(clname, attrs['n_pattern']) : return attrs
if 'file_name' in attrs and attrs['file_name'] == fname : return attrs
if 'file_pattern' in attrs and self.matchpattern(fname,attrs['file_pattern']): return attrs
return None
#----------------------------------------------------------------------------------
def matchfield(self, clname, field ) :
return self.selfield(clname, field), self.excfield(clname, field)
#----------------------------------------------------------------------------------
def selfield(self, clname, field ) :
clname = clname.replace(' ','')
for c in self.sel_classes :
for f in c['fields'] :
if 'name' in f and f['name'] == field :
attrs = c['attrs']
if 'n_name' in attrs and attrs['n_name'] == clname \
or 'n_pattern' in attrs and self.matchpattern(clname, attrs['n_pattern']) :
return f
return None
#----------------------------------------------------------------------------------
def excfield(self, clname, field ) :
clname = clname.replace(' ','')
for c in self.exc_classes :
for f in c['fields'] :
if 'name' in f and f['name'] == field :
attrs = c['attrs']
if 'n_name' in attrs and attrs['n_name'] == clname : return f
if 'n_pattern' in attrs and self.matchpattern(clname, attrs['n_pattern']) : return f
return None
#----------------------------------------------------------------------------------
# unused
def matchmethod(self, clname, method, arguments ) :
return self.selmethod(clname, method, arguments), self.excmethod(clname,method, arguments)
#----------------------------------------------------------------------------------
# unused - only excmethod is used
def selmethod(self, clname, method, arguments ) :
clname = clname.replace(' ','')
for c in self.sel_classes :
for m in c['methods'] :
if ('name' in m and m['name'] == method ) \
or ('pattern' in m and self.matchpattern(method, m['pattern'])) \
or ('proto_name' in m and m['proto_name'] == method + '(' + arguments + ')' ) \
or ('proto_pattern' in m and self.matchpattern(method + '(' + arguments + ')', m['proto_pattern'])) :
attrs = c['attrs']
if 'n_name' in attrs and attrs['n_name'] == clname : return m
if 'n_pattern' in attrs and self.matchpattern(clname, attrs['n_pattern']) : return m
return None
#----------------------------------------------------------------------------------
def excmethod(self, clname, method, demangled ) :
clname = clname.replace(' ','')
for c in self.exc_classes :
for m in c['methods'] :
if ('name' in m and m['name'] == method ) \
or ('pattern' in m and self.matchpattern(method, m['pattern'])) \
or ('proto_name' in m and m['proto_name'] == demangled ) \
or('proto_pattern' in m and self.matchpattern(demangled, m['proto_pattern'])) :
attrs = c['attrs']
if 'n_name' in attrs and attrs['n_name'] == clname : return m
if 'n_pattern' in attrs and self.matchpattern(clname, attrs['n_pattern']) : return m
return None
#----------------------------------------------------------------------------------
def selfunction(self, funcname, demangled ) :
for f in self.sel_functions :
attrs = f['attrs']
if ('name' in attrs and attrs['name'] == funcname ) \
or ('pattern' in attrs and self.matchpattern(funcname, attrs['pattern'])) \
or ('proto_name' in attrs and attrs['proto_name'] == demangled ) \
or ('proto_pattern' in attrs and self.matchpattern(demangled, attrs['proto_pattern'])) :
return attrs
return None
#----------------------------------------------------------------------------------
def excfunction(self, funcname, demangled ) :
for f in self.exc_functions :
attrs = f['attrs']
if ('name' in attrs and attrs['name'] == funcname ) \
or ('pattern' in attrs and self.matchpattern(funcname, attrs['pattern'])) \
or ('proto_name' in attrs and attrs['proto_name'] == demangled ) \
or ('proto_pattern' in attrs and self.matchpattern(demangled, attrs['proto_pattern'])) :
return attrs
return None
#----------------------------------------------------------------------------------
def selenum(self, enumname ) :
for enum in self.sel_enums :
attrs = enum['attrs']
if 'name' in attrs and attrs['name'] == enumname : return attrs
if 'pattern' in attrs and self.matchpattern(enumname,attrs['pattern']) : return attrs
return None
#----------------------------------------------------------------------------------
def excenum(self, enumname ) :
for enum in self.exc_enums :
attrs = enum['attrs']
if 'name' in attrs and attrs['name'] == enumname : return attrs
if 'pattern' in attrs and self.matchpattern(enumname, attrs['pattern']) : return attrs
return None
#----------------------------------------------------------------------------------
def selvariable(self, varname ) :
for var in self.sel_vars :
attrs = var['attrs']
if 'name' in attrs and attrs['name'] == varname : return attrs
if 'pattern' in attrs and self.matchpattern(varname,attrs['pattern']) : return attrs
return None
#----------------------------------------------------------------------------------
def excvariable(self, varname ) :
for var in self.exc_vars :
attrs = var['attrs']
if 'name' in attrs and attrs['name'] == varname : return attrs
if 'pattern' in attrs and self.matchpattern(varname, attrs['pattern']) : return attrs
return None
#----------------------------------------------------------------------------------
def reportUnusedClasses(self) :
warnings = 0
for c in self.sel_classes :
if 'name' in c['attrs'] and 'used' not in c :
print '--->> genreflex: WARNING: Class %s in selection file %s not generated.' % (c['attrs']['name'] , self.file )
warnings += 1
return warnings
#-----------------------------------------------------------------------------------
def matchpattern(self, name, pattern ) :
return fnmatch.fnmatch(name.replace('*','#'),pattern.replace('\*','#'))
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