mirror of https://github.com/KLayout/klayout.git
282 lines
6.2 KiB
C++
282 lines
6.2 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2025 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 "dbMALYReader.h"
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#include "dbStream.h"
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#include "dbObjectWithProperties.h"
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#include "dbArray.h"
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#include "dbStatic.h"
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#include "dbShapeProcessor.h"
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#include "dbTechnology.h"
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#include "tlException.h"
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#include "tlString.h"
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#include "tlClassRegistry.h"
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#include "tlFileUtils.h"
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#include "tlUri.h"
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#include <cctype>
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#include <string>
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namespace db
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{
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// ---------------------------------------------------------------
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// MALYReader
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MALYReader::MALYReader (tl::InputStream &s)
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: m_stream (s),
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m_progress (tl::to_string (tr ("Reading MALY file")), 1000),
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m_dbu (0.001)
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{
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m_progress.set_format (tl::to_string (tr ("%.0fk lines")));
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m_progress.set_format_unit (1000.0);
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m_progress.set_unit (100000.0);
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}
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MALYReader::~MALYReader ()
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{
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// .. nothing yet ..
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}
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bool
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MALYReader::test ()
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{
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return true; // @@@
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try {
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std::string rec = read_record ();
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tl::Extractor ex (rec.c_str ());
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return ex.test ("BEGIN") && ex.test ("MALY");
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} catch (...) {
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return false;
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}
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}
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const LayerMap &
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MALYReader::read (db::Layout &layout)
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{
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return read (layout, db::LoadLayoutOptions ());
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}
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const LayerMap &
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MALYReader::read (db::Layout &layout, const db::LoadLayoutOptions &options)
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{
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init (options);
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prepare_layers (layout);
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const db::MALYReaderOptions &specific_options = options.get_options<db::MALYReaderOptions> ();
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m_dbu = specific_options.dbu;
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set_layer_map (specific_options.layer_map);
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set_create_layers (specific_options.create_other_layers);
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// @@@ set_keep_layer_names (specific_options.keep_layer_names);
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set_keep_layer_names (true);
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MALYData data = read_maly_file ();
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// @@@
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finish_layers (layout);
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return layer_map_out ();
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}
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std::string
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MALYReader::read_record ()
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{
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while (! m_stream.at_end ()) {
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std::string r = read_record_internal ();
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tl::Extractor ex (r.c_str ());
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if (ex.test ("+")) {
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error (tl::to_string (tr ("'+' character past first column - did you mean to continue a line?")));
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} else if (! ex.at_end ()) {
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return r;
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}
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}
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return std::string ();
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}
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std::string
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MALYReader::read_record_internal ()
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{
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std::string rec;
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while (! m_stream.at_end ()) {
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char c = m_stream.get_char ();
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// skip comments
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if (c == '/') {
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char cc = m_stream.peek_char ();
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if (cc == '/') {
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while (! m_stream.at_end () && (c = m_stream.get_char ()) != '\n')
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;
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if (m_stream.at_end ()) {
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break;
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}
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} else if (cc == '*') {
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m_stream.get_char (); // eat leading "*"
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while (! m_stream.at_end () && (m_stream.get_char () != '*' || m_stream.peek_char () != '/'))
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;
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if (m_stream.at_end ()) {
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error (tl::to_string (tr ("/*...*/ comment not closed")));
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}
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m_stream.get_char (); // eat trailing "/"
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if (m_stream.at_end ()) {
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break;
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}
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c = m_stream.get_char ();
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}
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}
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if (c == '\n') {
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if (m_stream.peek_char () == '+') {
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// continuation line
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m_stream.get_char (); // eat "+"
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if (m_stream.at_end ()) {
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break;
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}
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c = m_stream.get_char ();
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} else {
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break;
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}
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}
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if (c == '"' || c == '\'') {
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rec += c;
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// skip quoted string
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char quote = c;
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while (! m_stream.at_end ()) {
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c = m_stream.get_char ();
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rec += c;
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if (c == quote) {
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quote = 0;
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break;
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} else if (c == '\\') {
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if (m_stream.at_end ()) {
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error (tl::to_string (tr ("Unexpected end of file inside quotee string")));
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}
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c = m_stream.get_char ();
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rec += c;
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} else if (c == '\n') {
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error (tl::to_string (tr ("Line break inside quoted string")));
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}
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}
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if (quote) {
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error (tl::to_string (tr ("Unexpected end of file inside quotee string")));
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}
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} else {
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rec += c;
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}
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}
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return rec;
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}
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MALYData
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MALYReader::read_maly_file ()
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{
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// @@@
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std::cout << "@@@ BEGIN_MALY" << std::endl;
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std::string rec;
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while (! (rec = read_record ()).empty ()) {
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std::cout << rec << std::endl;
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}
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std::cout << "@@@ END_MALY" << std::endl;
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// @@@
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return MALYData (); // @@@
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}
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void
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MALYReader::error (const std::string &msg)
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{
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throw MALYReaderException (msg, m_stream.line_number (), m_stream.source ());
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}
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void
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MALYReader::warn (const std::string &msg, int wl)
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{
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if (warn_level () < wl) {
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return;
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}
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if (first_warning ()) {
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tl::warn << tl::sprintf (tl::to_string (tr ("In file %s:")), m_stream.source ());
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}
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int ws = compress_warning (msg);
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if (ws < 0) {
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tl::warn << msg
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<< tl::to_string (tr (" (line=")) << m_stream.line_number ()
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<< tl::to_string (tr (", file=")) << m_stream.source ()
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<< ")";
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} else if (ws == 0) {
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tl::warn << tl::to_string (tr ("... further warnings of this kind are not shown"));
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}
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}
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std::string
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MALYReader::resolve_path (const std::string &path)
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{
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tl::URI path_uri (path);
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if (tl::is_absolute (path_uri.path ())) {
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return path_uri.to_string ();
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} else {
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tl::URI source_uri (m_stream.source ());
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source_uri.set_path (tl::dirname (source_uri.path ()));
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return source_uri.resolved (tl::URI (path)).to_string ();
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}
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}
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void
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MALYReader::do_read (db::Layout &layout, db::cell_index_type cell_index, tl::TextInputStream &stream)
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{
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try {
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// @@@
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} catch (tl::Exception &ex) {
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error (ex.msg ());
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}
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}
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}
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