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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /solenv/gdb/libreoffice/util/string.py | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'solenv/gdb/libreoffice/util/string.py')
-rw-r--r-- | solenv/gdb/libreoffice/util/string.py | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/solenv/gdb/libreoffice/util/string.py b/solenv/gdb/libreoffice/util/string.py new file mode 100644 index 000000000..742aabbac --- /dev/null +++ b/solenv/gdb/libreoffice/util/string.py @@ -0,0 +1,75 @@ +# -*- 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 + +from libreoffice.util.compatibility import use_lazy_string + +class StringPrinterHelper(object): + '''Base for all string pretty printers''' + + class MustBeImplemented(Exception): + pass + + def __init__(self, typename, val, encoding = None): + self.typename = typename + self.val = val + self.encoding = encoding + + def to_string(self): + if self.valid(): + data = self.data() + len = self.length() + return self.make_string(data, self.encoding, len) + else: + return "uninitialized %s" % self.typename + + def display_hint(self): + if self.valid(): + return 'string' + else: + return None + + def valid(self): + return True + + def data(self): + raise self.MustBeImplemented() + + def length(self): + return -1 + + @staticmethod + def make_string(data, encoding = None, length = -1): + '''Creates a new string from memory''' + + if not encoding: + encoding = '' + + # we need to determine length, if not given (for sal_Unicode*) + if length < 0: + length = 0 + while data[length] != 0 and length <= 512: # arbitrary limit + length += 1 + + if use_lazy_string: + return data.lazy_string(encoding, length) + + # The gdb.Value.string() conversion works on array of bytes, but + # the length we have is the length of the string. So we must + # multiply it by width of character if the string is Unicode. + width = data[0].type.sizeof + if width > 1: + length = length * width + + char = gdb.lookup_type('char') + bytes = data.cast(char.pointer()) + return bytes.string(encoding, length = length) + +# vim:set shiftwidth=4 softtabstop=4 expandtab: |