solenv/gdb/libreoffice/svl.py

   1 # -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*-
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9
  10 import gdb
  11 import six
  12
  13 from libreoffice.util import printing
  14
  15 class ItemSetPrinter(object):
  16     '''Prints SfxItemSets'''
  17
  18     def __init__(self, typename, value):
  19         self.typename = typename
  20         self.value = value
  21
  22     def to_string(self):
  23         whichranges = self.which_ranges()
  24         return "SfxItemSet of pool %s with parent %s and Which ranges: %s" \
  25                 % (self.value['m_pPool'], self.value['m_pParent'], whichranges)
  26
  27     def which_ranges(self):
  28         whichranges = self.value['m_pWhichRanges']
  29         index = 0
  30         whiches = []
  31         while (whichranges[index]):
  32             whiches.append((int(whichranges[index]), int(whichranges[index+1])))
  33             index = index + 2
  34         return whiches
  35
  36     def children(self):
  37         whichranges = self.which_ranges()
  38         size = 0
  39         whichids = []
  40         for (whichfrom, whichto) in whichranges:
  41             size += whichto - whichfrom + 1
  42             whichids += [which for which in range(whichfrom, whichto+1)]
  43         return self._iterator(self.value['m_pItems']['_M_t']['_M_t']['_M_head_impl'], size, whichids)
  44
  45     class _iterator(six.Iterator):
  46
  47         def __init__(self, data, count, whichids):
  48             self.data = data
  49             self.whichids = whichids
  50             self.count = count
  51             self.pos = 0
  52             self._check_invariant()
  53
  54         def __iter__(self):
  55             return self
  56
  57         def __next__(self):
  58             if self.pos == self.count:
  59                 raise StopIteration()
  60
  61             which = self.whichids[self.pos]
  62             elem = self.data[self.pos]
  63             self.pos = self.pos + 1
  64
  65             self._check_invariant()
  66             if (elem == -1):
  67                 elem = "(Invalid)"
  68             elif (elem != 0):
  69                 # let's try how well that works...
  70                 elem = elem.cast(elem.dynamic_type).dereference()
  71             return (str(which), elem)
  72
  73         def _check_invariant(self):
  74             assert self.count >= 0
  75             assert self.data
  76             assert self.pos >= 0
  77             assert self.pos <= self.count
  78             assert len(self.whichids) == self.count
  79
  80 printer = None
  81
  82 def build_pretty_printers():
  83     global printer
  84
  85     printer = printing.Printer("libreoffice/svl")
  86
  87     printer.add('SfxItemSet', ItemSetPrinter)
  88
  89 def register_pretty_printers(obj):
  90     printing.register_pretty_printer(printer, obj)
  91
  92 build_pretty_printers()
  93
  94 # vim:set shiftwidth=4 softtabstop=4 expandtab: