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# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
import gdb
import gdb.types
import six
from libreoffice.util import printing
from libreoffice.util.string import StringPrinterHelper
class RtlStringPrinter(StringPrinterHelper):
'''Prints rtl_String or rtl_uString'''
def __init__(self, typename, val, encoding = None):
super(RtlStringPrinter, self).__init__(typename, val, encoding)
def data(self):
return self.val['buffer'].address
def length(self):
return self.val['length']
class StringPrinter(StringPrinterHelper):
'''Prints rtl:: strings and string buffers'''
def __init__(self, typename, val, encoding = None):
super(StringPrinter, self).__init__(typename, val, encoding)
def valid(self):
return self.val['pData']
def data(self):
assert self.val['pData']
return self.val['pData'].dereference()['buffer'].address
def length(self):
assert self.val['pData']
return self.val['pData'].dereference()['length']
class SalUnicodePrinter(StringPrinterHelper):
'''Prints a sal_Unicode*'''
def __init__(self, typename, val):
super(SalUnicodePrinter, self).__init__(typename, val, 'utf-16')
def data(self):
return self.val
@staticmethod
def query(type):
type = type.unqualified()
if type.code != gdb.TYPE_CODE_PTR:
return False
return str(type.target()) == 'sal_Unicode'
class RtlReferencePrinter(object):
'''Prints rtl::Reference'''
def __init__(self, typename, val):
self.typename = typename
self.val = val
def to_string(self):
pointee = self.val['m_pBody']
if pointee:
return '%s to %s' % (self.typename, str(pointee))
else:
return "empty %s" % self.typename
class OslFileStatusPrinter(object):
'''Prints oslFileStatus'''
def __init__(self, typename, val):
self.val = val
def to_string(self):
osl_file_type = gdb.lookup_type('oslFileType').strip_typedefs()
fields_to_enum_val = gdb.types.make_enum_dict(osl_file_type)
etype = self.field_val_if_valid('eType')
if etype is not None:
pretty_etype = '<unknown type>' # in case it's not one of the fields
for field_name, field_val in six.iteritems(fields_to_enum_val):
if etype == field_val:
pretty_etype = self.pretty_file_type(field_name)
else:
pretty_etype = '<invalid type>'
file_url = self.field_val_if_valid('ustrFileURL')
if file_url is not None:
pretty_file_url = str(file_url.dereference())
else:
pretty_file_url = '<invalid file url>'
pretty_file_status = pretty_etype + ': ' + pretty_file_url
# for links append the link target if valid
if etype == fields_to_enum_val['osl_File_Type_Link']:
link_target = self.field_val_if_valid('ustrLinkTargetURL')
if link_target is None:
pretty_link_target = '<invalid link target>'
else:
pretty_link_target = str(link_target.dereference())
pretty_file_status += ' -> ' + pretty_link_target
return pretty_file_status
def pretty_file_type(self, file_type_name):
if file_type_name != 'osl_File_Type_Regular':
return file_type_name.replace('osl_File_Type_', '').lower()
else:
return 'file' # regular is not very descriptive, file is better
def field_val_if_valid(self, field):
mask_for_field = {'eType': 0x00000001,
'uAttributes': 0x00000002,
'aCreationTime': 0x00000010,
'aAccessTime': 0x00000020,
'aModifyTime': 0x00000040,
'uFileSize': 0x00000080,
'ustrFileName': 0x00000100,
'ustrFileURL': 0x00000200,
'ustrLinkTargetURL': 0x00000400}
valid_fields = self.val['uValidFields']
if valid_fields & mask_for_field[field]:
return self.val[field]
else:
return None
printer = None
def build_pretty_printers():
global printer
printer = printing.Printer("libreoffice/sal")
# strings and string buffers
printer.add('_rtl_String', RtlStringPrinter)
printer.add('_rtl_uString', lambda name, val: RtlStringPrinter(name,
val, 'utf-16le'))
printer.add('rtl::OString', StringPrinter)
printer.add('rtl::OUString', lambda name, val: StringPrinter(name, val, 'utf-16'))
printer.add('rtl::OStringBuffer', StringPrinter)
printer.add('rtl::OUStringBuffer', lambda name, val: StringPrinter(name, val, 'utf-16'))
printer.add('sal_Unicode', SalUnicodePrinter, SalUnicodePrinter.query)
# other stuff
printer.add('rtl::Reference', RtlReferencePrinter)
printer.add('_oslFileStatus', OslFileStatusPrinter)
return printer
def register_pretty_printers(obj):
printing.register_pretty_printer(printer, obj)
build_pretty_printers()
# vim:set shiftwidth=4 softtabstop=4 expandtab:
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