452 lines
13 KiB
C++
452 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014-2020 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2007-2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
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* Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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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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*
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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, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* The common library
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* @file common.h
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*/
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#ifndef INCLUDE__COMMON_H_
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#define INCLUDE__COMMON_H_
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#include <vector>
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#include <functional>
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#include <wx/confbase.h>
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#include <wx/fileconf.h>
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#include <wx/dir.h>
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#include <wx/string.h>
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#include <wx/textctrl.h>
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#include <wx/gdicmn.h>
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#include <richio.h>
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#include <atomic>
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#include <limits>
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#include <memory>
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#include <type_traits>
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#include <typeinfo>
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#include <boost/uuid/uuid.hpp>
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#include <core/kicad_algo.h>
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#include <macros.h>
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class PROJECT;
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class SEARCH_STACK;
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class REPORTER;
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/**
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* timestamp_t is our type to represent unique IDs for all kinds of elements;
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* historically simply the timestamp when they were created.
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*
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* Long term, this type might be renamed to something like unique_id_t
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* (and then rename all the methods from {Get,Set}TimeStamp()
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* to {Get,Set}Id()) ?
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*/
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typedef uint32_t timestamp_t;
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class KIID
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{
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public:
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KIID();
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KIID( int null );
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KIID( const wxString& aString );
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KIID( timestamp_t aTimestamp );
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void Clone( const KIID& aUUID );
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size_t Hash() const;
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bool IsLegacyTimestamp() const;
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timestamp_t AsLegacyTimestamp() const;
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wxString AsString() const;
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wxString AsLegacyTimestampString() const;
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/**
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* Change an existing time stamp based UUID into a true UUID.
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*
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* If this is not a time stamp based UUID, then no change is made.
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*/
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void ConvertTimestampToUuid();
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bool operator==( KIID const& rhs) const
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{
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return m_uuid == rhs.m_uuid;
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}
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bool operator!=( KIID const& rhs) const
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{
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return m_uuid != rhs.m_uuid;
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}
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bool operator<( KIID const& rhs) const
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{
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return m_uuid < rhs.m_uuid;
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}
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private:
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boost::uuids::uuid m_uuid;
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timestamp_t m_cached_timestamp;
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};
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extern KIID niluuid;
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KIID& NilUuid();
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// declare KIID_VECT_LIST as std::vector<KIID> both for c++ and swig:
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DECL_VEC_FOR_SWIG( KIID_VECT_LIST, KIID )
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class KIID_PATH : public KIID_VECT_LIST
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{
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public:
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KIID_PATH()
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{}
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KIID_PATH( const wxString& aString )
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{
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for( const wxString& pathStep : wxSplit( aString, '/' ) )
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{
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if( !pathStep.empty() )
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emplace_back( KIID( pathStep ) );
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}
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}
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wxString AsString() const
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{
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wxString path;
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for( const KIID& pathStep : *this )
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path += '/' + pathStep.AsString();
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return path;
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}
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bool operator==( KIID_PATH const& rhs) const
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{
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if( size() != rhs.size() )
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return false;
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for( size_t i = 0; i < size(); ++i )
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{
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if( at( i ) != rhs.at( i ) )
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return false;
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}
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return true;
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}
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bool operator<( KIID_PATH const& rhs) const
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{
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if( size() != rhs.size() )
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return size() < rhs.size();
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for( size_t i = 0; i < size(); ++i )
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{
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if( at( i ) < rhs.at( i ) )
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return true;
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if( at( i ) != rhs.at( i ) )
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return false;
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}
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return false;
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}
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};
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/// default name for nameless projects
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#define NAMELESS_PROJECT wxT( "noname" )
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/// Frequent text rotations, used with {Set,Get}TextAngle(),
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/// in 0.1 degrees for now, hoping to migrate to degrees eventually.
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#define TEXT_ANGLE_HORIZ 0
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#define TEXT_ANGLE_VERT 900
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/**
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* The type of unit.
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*/
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enum class EDA_DATA_TYPE
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{
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DISTANCE = 0,
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AREA = 1,
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VOLUME = 2
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};
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enum class EDA_UNITS
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{
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INCHES = 0,
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MILLIMETRES = 1,
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UNSCALED = 2,
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DEGREES = 3,
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PERCENT = 4,
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MILS = 5,
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};
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bool IsImperialUnit( EDA_UNITS aUnit );
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bool IsMetricUnit( EDA_UNITS aUnit );
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/**
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* Instantiate the current locale within a scope in which you are expecting
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* exceptions to be thrown.
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*
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* The constructor sets a "C" language locale option, to read/print files with floating
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* point numbers. The destructor insures that the default locale is restored if an
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* exception is thrown or not.
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*/
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class LOCALE_IO
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{
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public:
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LOCALE_IO();
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~LOCALE_IO();
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private:
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// allow for nesting of LOCALE_IO instantiations
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static std::atomic<unsigned int> m_c_count;
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// The locale in use before switching to the "C" locale
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// (the locale can be set by user, and is not always the system locale)
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std::string m_user_locale;
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wxLocale* m_wxLocale;
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};
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/**
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* Return the size of @a aSingleLine of text when it is rendered in @a aWindow
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* using whatever font is currently set in that window.
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*/
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wxSize GetTextSize( const wxString& aSingleLine, wxWindow* aWindow );
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/**
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* Set the minimum pixel width on a text control in order to make a text
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* string be fully visible within it.
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*
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* The current font within the text control is considered. The text can come either from
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* the control or be given as an argument. If the text control is larger than needed, then
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* nothing is done.
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*
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* @param aCtrl the text control to potentially make wider.
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* @param aString the text that is used in sizing the control's pixel width.
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* If NULL, then
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* the text already within the control is used.
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* @return bool - true if the \a aCtrl had its size changed, else false.
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*/
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bool EnsureTextCtrlWidth( wxTextCtrl* aCtrl, const wxString* aString = NULL );
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/**
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* Select the number (or "?") in a reference for ease of editing.
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*/
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void SelectReferenceNumber( wxTextEntry* aTextEntry );
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/**
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* Run a command in a child process.
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*
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* @param aCommandLine The process and any arguments to it all in a single
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* string.
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* @param aFlags The same args as allowed for wxExecute()
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* @param callback wxProcess implementing OnTerminate to be run when the
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child process finishes
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* @return int - pid of process, 0 in case of error (like return values of
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* wxExecute())
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*/
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int ProcessExecute( const wxString& aCommandLine, int aFlags = wxEXEC_ASYNC,
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wxProcess *callback = NULL );
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/**
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* Split \a aString to a string list separated at \a aSplitter.
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*
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* @param aText is the text to split
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* @param aStrings will contain the splitted lines
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* @param aSplitter is the 'split' character
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*/
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void wxStringSplit( const wxString& aText, wxArrayString& aStrings, wxChar aSplitter );
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/**
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* Return the help file's full path.
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* <p>
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* Return the KiCad help file with path and extension.
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* Help files can be html (.html ext) or pdf (.pdf ext) files.
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* A \<BaseName\>.html file is searched and if not found,
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* \<BaseName\>.pdf file is searched in the same path.
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* If the help file for the current locale is not found, an attempt to find
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* the English version of the help file is made.
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* Help file is searched in directories in this order:
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* help/\<canonical name\> like help/en_GB
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* help/\<short name\> like help/en
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* help/en
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* </p>
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* @param aSearchStack contains some possible base dirs that may be above the
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* the one actually holding @a aBaseName. These are starting points for nested searches.
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* @param aBaseName is the name of the help file to search for, <p>without extension</p>.
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* @return wxEmptyString is returned if aBaseName is not found, else the full path & filename.
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*/
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wxString SearchHelpFileFullPath( const SEARCH_STACK& aSearchStack, const wxString& aBaseName );
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/**
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* Make \a aTargetFullFileName absolute and create the path of this file if it doesn't yet exist.
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*
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* @param aTargetFullFileName the wxFileName containing the full path and file name to modify.
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* The path may be absolute or relative to \a aBaseFilename .
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* @param aBaseFilename a full filename. Only its path is used to set the aTargetFullFileName path.
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* @param aReporter a point to a REPORTER object use to show messages (can be NULL)
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* @return true if \a aOutputDir already exists or was successfully created.
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*/
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bool EnsureFileDirectoryExists( wxFileName* aTargetFullFileName,
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const wxString& aBaseFilename,
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REPORTER* aReporter = NULL );
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/// Put aPriorityPath in front of all paths in the value of aEnvVar.
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const wxString PrePendPath( const wxString& aEnvVar, const wxString& aPriorityPath );
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/**
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* Replace any environment variable & text variable references with their values.
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*
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* @param aString = a string containing (perhaps) references to env var
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* @return a string where env var are replaced by their value
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*/
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const wxString ExpandEnvVarSubstitutions( const wxString& aString, PROJECT* aProject );
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/**
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* Expand '${var-name}' templates in text. The LocalResolver is given first crack at it,
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* after which the PROJECT's resolver is called.
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*/
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wxString ExpandTextVars( const wxString& aSource,
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const std::function<bool( wxString* )>* aLocalResolver,
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const PROJECT* aProject,
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const std::function<bool( wxString* )>* aFallbackResolver = nullptr );
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/**
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* Replace any environment and/or text variables in file-path uris (leaving network-path URIs
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* alone).
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*/
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const wxString ResolveUriByEnvVars( const wxString& aUri, PROJECT* aProject );
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#ifdef __WXMAC__
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/**
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* OSX specific function GetOSXKicadUserDataDir
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* @return A wxString pointing to the user data directory for Kicad
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*/
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wxString GetOSXKicadUserDataDir();
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/**
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* OSX specific function GetOSXMachineDataDir
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* @return A wxString pointing to the machine data directory for Kicad
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*/
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wxString GetOSXKicadMachineDataDir();
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/**
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* OSX specific function GetOSXKicadDataDir
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* @return A wxString pointing to the bundle data directory for Kicad
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*/
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wxString GetOSXKicadDataDir();
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#endif
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// Some wxWidgets versions (for instance before 3.1.0) do not include
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// this function, so add it if missing
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#if !wxCHECK_VERSION( 3, 1, 0 )
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#define USE_KICAD_WXSTRING_HASH // for common.cpp
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///> Template specialization to enable wxStrings for certain containers (e.g. unordered_map)
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namespace std
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{
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template<> struct hash<wxString>
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{
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size_t operator()( const wxString& s ) const;
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};
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}
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#endif
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/// Required to use wxPoint as key type in maps
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#define USE_KICAD_WXPOINT_LESS_AND_HASH // for common.cpp
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namespace std
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{
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template <> struct hash<wxPoint>
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{
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size_t operator() ( const wxPoint& k ) const;
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};
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}
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namespace std
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{
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template<> struct less<wxPoint>
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{
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bool operator()( const wxPoint& aA, const wxPoint& aB ) const;
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};
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}
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/**
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* Helper function to print the given wxSize to a stream.
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*
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* Used for debugging functions like EDA_ITEM::Show and also in unit
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* testing fixtures.
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*/
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std::ostream& operator<<( std::ostream& out, const wxSize& size );
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/**
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* Helper function to print the given wxPoint to a stream.
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*
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* Used for debugging functions like EDA_ITEM::Show and also in unit
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* testing fixtures.
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*/
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std::ostream& operator<<( std::ostream& out, const wxPoint& pt );
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/**
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* A wrapper around a wxFileName which is much more performant with a subset of the API.
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*/
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class WX_FILENAME
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{
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public:
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WX_FILENAME( const wxString& aPath, const wxString& aFilename );
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void SetFullName( const wxString& aFileNameAndExtension );
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wxString GetName() const;
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wxString GetFullName() const;
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wxString GetPath() const;
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wxString GetFullPath() const;
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// Avoid multiple calls to stat() on POSIX kernels.
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long long GetTimestamp();
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private:
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// Write cached values to the wrapped wxFileName. MUST be called before using m_fn.
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void resolve();
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wxFileName m_fn;
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wxString m_path;
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wxString m_fullName;
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};
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long long TimestampDir( const wxString& aDirPath, const wxString& aFilespec );
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#endif // INCLUDE__COMMON_H_
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