kicad/common/plugins/altium/altium_parser.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019-2020 Thomas Pointhuber <thomas.pointhuber@gmx.at>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "altium_parser.h"
#include <compoundfilereader.h>
#include <ki_exception.h>
#include <sstream>
#include <utf.h>
#include <wx/translation.h>
#include <wx/wx.h>
const CFB::COMPOUND_FILE_ENTRY* FindStream(
const CFB::CompoundFileReader& aReader, const char* aStreamName )
{
const CFB::COMPOUND_FILE_ENTRY* ret = nullptr;
aReader.EnumFiles( aReader.GetRootEntry(), -1,
[&]( const CFB::COMPOUND_FILE_ENTRY* aEntry, const CFB::utf16string& aU16dir,
int level ) -> void {
if( aReader.IsStream( aEntry ) )
{
std::string name = UTF16ToUTF8( aEntry->name );
if( aU16dir.length() > 0 )
{
std::string dir = UTF16ToUTF8( aU16dir.c_str() );
if( strncmp( aStreamName, dir.c_str(), dir.length() ) == 0
&& aStreamName[dir.length()] == '\\'
&& strcmp( aStreamName + dir.length() + 1, name.c_str() ) == 0 )
{
ret = aEntry;
}
}
else
{
if( strcmp( aStreamName, name.c_str() ) == 0 )
{
ret = aEntry;
}
}
}
} );
return ret;
}
ALTIUM_PARSER::ALTIUM_PARSER(
const CFB::CompoundFileReader& aReader, const CFB::COMPOUND_FILE_ENTRY* aEntry )
{
m_subrecord_end = nullptr;
m_size = static_cast<size_t>( aEntry->size );
m_error = false;
m_content.reset( new char[m_size] );
m_pos = m_content.get();
// read file into buffer
aReader.ReadFile( aEntry, 0, m_content.get(), m_size );
}
std::map<wxString, wxString> ALTIUM_PARSER::ReadProperties()
{
std::map<wxString, wxString> kv;
uint32_t length = Read<uint32_t>();
if( length > GetRemainingBytes() || m_pos[length - 1] != '\0' )
{
m_error = true;
return kv;
}
//we use std::string because std::string can handle NULL-bytes
//wxString would end the string at the first NULL-byte
std::string str = std::string( m_pos, length - 1 );
m_pos += length;
std::size_t token_end = 0;
while( token_end < str.size() && token_end != std::string::npos )
{
std::size_t token_start = str.find( '|', token_end );
std::size_t token_equal = str.find( '=', token_start );
token_end = str.find( '|', token_equal );
std::string keyS = str.substr( token_start + 1, token_equal - token_start - 1 );
std::string valueS = str.substr( token_equal + 1, token_end - token_equal - 1 );
//convert the strings to wxStrings, since we use them everywhere
//value can have non-ASCII characters, so we convert them from LATIN1/ISO8859-1
wxString key( keyS.c_str(), wxConvISO8859_1 );
wxString value( valueS.c_str(), wxConvISO8859_1 );
// Altium stores keys either in Upper, or in CamelCase. Lets unify it.
kv.insert( { key.Trim().MakeUpper(), value.Trim() } );
}
return kv;
}
int ALTIUM_PARSER::PropertiesReadInt(
const std::map<wxString, wxString>& aProperties, const wxString& aKey, int aDefault )
{
const std::map<wxString, wxString>::const_iterator& value = aProperties.find( aKey );
return value == aProperties.end() ? aDefault : wxAtoi( value->second );
}
double ALTIUM_PARSER::PropertiesReadDouble(
const std::map<wxString, wxString>& aProperties, const wxString& aKey, double aDefault )
{
const std::map<wxString, wxString>::const_iterator& value = aProperties.find( aKey );
if( value == aProperties.end() )
{
return aDefault;
}
// Locale independent str -> double conversation
std::istringstream istr( (const char*) value->second.mb_str() );
istr.imbue( std::locale( "C" ) );
double doubleValue;
istr >> doubleValue;
return doubleValue;
}
bool ALTIUM_PARSER::PropertiesReadBool(
const std::map<wxString, wxString>& aProperties, const wxString& aKey, bool aDefault )
{
const std::map<wxString, wxString>::const_iterator& value = aProperties.find( aKey );
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if( value == aProperties.end() )
return aDefault;
else
return value->second == "T" || value->second == "TRUE";
}
int32_t ALTIUM_PARSER::PropertiesReadKicadUnit( const std::map<wxString, wxString>& aProperties,
const wxString& aKey, const wxString& aDefault )
{
const wxString& value = PropertiesReadString( aProperties, aKey, aDefault );
size_t decimal_point = value.find( '.' );
size_t value_end = value.find_first_not_of( "+-0123456789." );
wxString before_decimal_str = value.Left( decimal_point );
int before_decimal = wxAtoi( before_decimal_str );
int after_decimal = 0;
size_t after_decimal_digits = 0;
if( decimal_point != wxString::npos )
{
if( value_end != wxString::npos )
{
after_decimal_digits = value_end - ( decimal_point + 1 );
}
else
{
after_decimal_digits = value.size() - ( decimal_point + 1 ); // TODO: correct?
}
wxString after_decimal_str = value.Mid( decimal_point + 1, after_decimal_digits );
after_decimal = wxAtoi( after_decimal_str );
}
if( value.length() > 3 && value.compare( value.length() - 3, 3, "mil" ) == 0 )
{
// ensure after_decimal is formatted to base 1000
int after_decimal_1000;
if( after_decimal_digits <= 4 )
{
after_decimal_1000 =
static_cast<int>( after_decimal * std::pow( 10, 4 - after_decimal_digits ) );
}
else
{
after_decimal_1000 =
static_cast<int>( after_decimal / std::pow( 10, after_decimal_digits - 4 ) );
}
int32_t mils = before_decimal * 10000 + after_decimal_1000;
return ConvertToKicadUnit( mils );
}
wxLogError( wxString::Format( "Unit '%s' does not end with mils" ), value );
return 0;
}
wxString ALTIUM_PARSER::PropertiesReadString( const std::map<wxString, wxString>& aProperties,
const wxString& aKey, const wxString& aDefault )
{
const std::map<wxString, wxString>::const_iterator& value = aProperties.find( aKey );
return value == aProperties.end() ? aDefault : value->second;
}