mirror of https://github.com/KLayout/klayout.git
392 lines
7.2 KiB
C++
392 lines
7.2 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2019 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 "utTestConsole.h"
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#include "tlUnitTest.h"
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#if !defined(_MSC_VER)
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# include <unistd.h>
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#endif
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#if !defined(_WIN32)
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# include <sys/ioctl.h>
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# include <dlfcn.h>
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#endif
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#if defined(_WIN32)
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# include <Windows.h>
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#endif
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namespace ut
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{
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// ------------------------------------------------
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// tl::Channel implementations for redirecting the log output
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class InfoChannel : public tl::Channel
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{
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public:
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InfoChannel (int verbosity)
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: m_verbosity (verbosity)
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{
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// .. nothing yet ..
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}
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protected:
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virtual void puts (const char *s)
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{
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if (tl::verbosity () >= m_verbosity) {
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TestConsole::instance ()->basic_write (s);
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}
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}
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virtual void endl ()
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{
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if (tl::verbosity () >= m_verbosity) {
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TestConsole::instance ()->basic_write ("\n");
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}
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}
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virtual void end ()
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{
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TestConsole::instance ()->flush ();
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}
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virtual void begin ()
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{
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// .. nothing yet ..
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}
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private:
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int m_verbosity;
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};
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class WarningChannel : public tl::Channel
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{
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public:
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WarningChannel ()
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{
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// .. nothing yet ..
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}
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protected:
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virtual void puts (const char *s)
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{
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TestConsole::instance ()->basic_write (s);
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}
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virtual void endl ()
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{
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TestConsole::instance ()->basic_write ("\n");
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}
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virtual void end ()
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{
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TestConsole::instance ()->end ();
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TestConsole::instance ()->flush ();
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}
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virtual void begin ()
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{
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TestConsole::instance ()->begin_warn ();
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}
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};
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class ErrorChannel : public tl::Channel
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{
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public:
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ErrorChannel ()
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{
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// .. nothing yet ..
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}
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protected:
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virtual void puts (const char *s)
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{
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TestConsole::instance ()->basic_write (s);
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}
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virtual void endl ()
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{
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TestConsole::instance ()->basic_write ("\n");
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}
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virtual void end ()
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{
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TestConsole::instance ()->end ();
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TestConsole::instance ()->flush ();
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}
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virtual void begin ()
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{
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TestConsole::instance ()->begin_error ();
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}
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};
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class CtrlChannel : public tl::Channel
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{
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public:
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CtrlChannel (bool with_xml)
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: m_with_xml (with_xml)
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{
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// .. nothing yet ..
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}
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protected:
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virtual void puts (const char *s)
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{
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if (m_with_xml == tl::xml_format ()) {
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TestConsole::instance ()->raw_write (s);
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}
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}
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virtual void endl ()
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{
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if (m_with_xml == tl::xml_format ()) {
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TestConsole::instance ()->raw_write ("\n");
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}
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}
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virtual void end ()
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{
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if (m_with_xml == tl::xml_format ()) {
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TestConsole::instance ()->end ();
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TestConsole::instance ()->flush ();
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}
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}
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virtual void begin ()
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{
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if (m_with_xml == tl::xml_format ()) {
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TestConsole::instance ()->begin_info ();
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}
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}
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private:
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bool m_with_xml;
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};
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// ------------------------------------------------
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// TestConsole implementation
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const char *ANSI_RED = "\033[31;1m";
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const char *ANSI_BLUE = "\033[34m";
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const char *ANSI_GREEN = "\033[32m";
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const char *ANSI_RESET = "\033[0m";
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TestConsole::TestConsole (FILE *file)
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: m_file (file), m_col (0), m_max_col (250), m_columns (50), m_rows (0), m_file_is_tty (false)
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{
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ms_instance = this;
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#if defined(_MSC_VER)
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m_file_is_tty = false;
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#else
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m_file_is_tty = isatty (fileno (file));
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#endif
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#if !defined(_WIN32)
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if (m_file_is_tty) {
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struct winsize ws;
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ioctl (fileno (stdout), TIOCGWINSZ, &ws);
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m_columns = std::max (0, (int) ws.ws_col);
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m_rows = std::max (0, (int) ws.ws_row);
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}
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#endif
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redirect ();
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}
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TestConsole::~TestConsole ()
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{
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restore ();
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if (ms_instance == this) {
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ms_instance = 0;
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}
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}
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int
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TestConsole::columns ()
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{
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int c = m_columns - tl::indent ();
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return c > 0 ? c : 0;
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}
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void
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TestConsole::write_str (const char *text, output_stream os)
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{
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if (os == OS_stderr) {
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begin_error ();
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basic_write (text);
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end ();
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} else {
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basic_write (text);
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}
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}
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void
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TestConsole::raw_write (const char *text)
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{
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fputs (text, m_file);
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}
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void
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TestConsole::flush ()
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{
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fflush (m_file);
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}
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bool
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TestConsole::is_tty ()
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{
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// NOTE: this assumes we are delivering to stdout
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return m_file_is_tty && ! tl::xml_format ();
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}
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void
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TestConsole::begin_error ()
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{
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if (is_tty ()) {
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fputs (ANSI_RED, m_file);
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}
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}
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void
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TestConsole::begin_info ()
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{
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if (is_tty ()) {
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fputs (ANSI_GREEN, m_file);
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}
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}
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void
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TestConsole::begin_warn ()
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{
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if (is_tty ()) {
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fputs (ANSI_BLUE, m_file);
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}
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}
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void
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TestConsole::end ()
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{
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if (is_tty ()) {
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fputs (ANSI_RESET, m_file);
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}
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}
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void
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TestConsole::basic_write (const char *s)
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{
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if (tl::xml_format ()) {
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for (const char *cp = s; *cp; ++cp) {
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if (*cp == '&') {
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fputs ("&", m_file);
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} else if (*cp == '<') {
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fputs ("<", m_file);
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} else if (*cp == '>') {
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fputs (">", m_file);
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} else {
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fputc (*cp, m_file);
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}
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}
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} else {
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// line length limitation - this assumes we are always printing to the same terminal
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// or we don't mix stderr/stdout.
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const char *cp;
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for (cp = s; *cp; ++cp) {
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if (*cp == '\n' || *cp == '\r') {
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m_col = 0;
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fputc (*cp, m_file);
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} else {
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if (m_col == 0) {
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for (int i = 0; i < tl::indent (); ++i) {
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fputc (' ', m_file);
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}
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m_col = tl::indent ();
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}
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if (m_col > m_max_col) {
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// ignore char
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} else if (m_col == m_max_col) {
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fputs (" ...", m_file);
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++m_col;
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} else if (*cp == '\033') {
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// skip ANSI escape sequences (no increment of s_col)
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const char *cpend = cp + 1;
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if (*cpend == '[') {
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++cpend;
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while (*cpend && *cpend != 'm') {
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++cpend;
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}
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if (*cpend) {
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++cpend;
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}
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}
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while (cp != cpend) {
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fputc (*cp++, m_file);
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}
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--cp;
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} else {
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fputc (*cp, m_file);
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++m_col;
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}
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}
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}
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}
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}
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void
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TestConsole::redirect ()
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{
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// redirect the log channels
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tl::warn.clear ();
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tl::warn.add (new ut::WarningChannel (), true);
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tl::info.clear ();
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tl::info.add (new ut::InfoChannel (0), true);
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tl::log.clear ();
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tl::log.add (new ut::InfoChannel (10), true);
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tl::error.clear ();
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tl::error.add (new ut::ErrorChannel (), true);
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}
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void
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TestConsole::restore ()
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{
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// TODO: we should basically restore the original channels
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tl::warn.clear ();
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tl::info.clear ();
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tl::log.clear ();
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tl::error.clear ();
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}
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TestConsole *TestConsole::ms_instance = 0;
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tl::LogTee noctrl (new CtrlChannel (false), true);
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tl::LogTee ctrl (new CtrlChannel (true), true);
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}
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