mirror of https://github.com/KLayout/klayout.git
79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2018 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "dbReader.h"
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#include "dbStream.h"
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#include "tlClassRegistry.h"
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namespace db
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{
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// ---------------------------------------------------------------
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// ReaderBase implementation
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ReaderBase::ReaderBase ()
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: m_warnings_as_errors (false)
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{
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}
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ReaderBase::~ReaderBase ()
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{
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}
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void
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ReaderBase::set_warnings_as_errors (bool f)
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{
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m_warnings_as_errors = f;
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}
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// ---------------------------------------------------------------
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// Reader implementation
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Reader::Reader (tl::InputStream &stream)
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: mp_actual_reader (0), m_stream (stream)
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{
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// Detect the format by asking all reader declarations
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for (tl::Registrar<db::StreamFormatDeclaration>::iterator rdr = tl::Registrar<db::StreamFormatDeclaration>::begin (); rdr != tl::Registrar<db::StreamFormatDeclaration>::end () && ! mp_actual_reader; ++rdr) {
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m_stream.reset ();
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if (rdr->detect (m_stream)) {
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m_stream.reset ();
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mp_actual_reader = rdr->create_reader (m_stream);
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}
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}
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if (! mp_actual_reader) {
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throw db::ReaderException (tl::to_string (tr ("Stream has unknown format: ")) + stream.source ());
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}
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}
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Reader::~Reader ()
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{
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if (mp_actual_reader) {
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delete mp_actual_reader;
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mp_actual_reader = 0;
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}
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}
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}
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