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# Copyright (C) 2014-2024 Ruby-GNOME Project Team
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
module Gio
module PollableInputStream
alias_method :create_source_raw, :create_source
def create_source(&block)
source = create_source_raw
source.extend(PollableSource)
source.set_callback(&block)
source
end
alias_method :read_nonblocking_raw, :read_nonblocking
def read_nonblocking(size=nil)
if size.nil?
all = "".b
buffer_size = 8192
buffer = " ".b * buffer_size
loop do
begin
read_bytes = read_nonblocking_raw_compatible(buffer)
rescue IOError::WouldBlock
break
end
all << buffer.byteslice(0, read_bytes)
break if read_bytes != buffer_size
end
all
else
buffer = " ".b * size
read_bytes = read_nonblocking_raw_compatible(buffer)
buffer.replace(buffer.byteslice(0, read_bytes))
buffer
end
end
private
def read_nonblocking_raw_compatible(buffer)
if (GLib::VERSION <=> [2, 42, 0]) >= 0
n_bytes, = read_nonblocking_raw(buffer)
n_bytes
else
read_nonblocking_raw(buffer, buffer.bytesize)
end
end
end
end
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