739 lines
18 KiB
C++
739 lines
18 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) 2004-2019 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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* @file string.cpp
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* @brief Some useful functions to handle strings.
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*/
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#include <fctsys.h>
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#include <macros.h>
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#include <richio.h> // StrPrintf
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#include <kicad_string.h>
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/**
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* Illegal file name characters used to insure file names will be valid on all supported
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* platforms. This is the list of illegal file name characters for Windows which includes
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* the illegal file name characters for Linux and OSX.
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*/
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static const char illegalFileNameChars[] = "\\/:\"<>|";
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/**
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* These Escape/Unescape routines use HTML-entity-reference-style encoding to handle
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* characters which are:
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* (a) not legal in filenames
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* (b) used as control characters in LIB_IDs
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* (c) used to delineate hierarchical paths
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*/
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wxString EscapeString( const wxString& aSource, ESCAPE_CONTEXT aContext )
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{
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wxString converted;
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for( wxUniChar c: aSource )
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{
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if( aContext == CTX_NETNAME )
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{
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if( c == '/' )
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converted += "{slash}";
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else if( c == '\n' || c == '\r' )
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converted += ""; // drop
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else
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converted += c;
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}
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else if( aContext == CTX_LIBID )
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{
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if( c == '{' )
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converted += "{brace}";
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else if( c == ':' )
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converted += "{colon}";
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else if( c == '\n' || c == '\r' )
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converted += ""; // drop
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else
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converted += c;
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}
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else if( aContext == CTX_QUOTED_STR )
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{
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if( c == '{' )
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converted += "{brace}";
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else if( c == '\"' )
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converted += "{dblquote}";
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else
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converted += c;
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}
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else if( aContext == CTX_DELIMITED_STR )
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{
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if( c == '{' )
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converted += "{brace}";
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else if( c == ' ' )
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converted += "{space}";
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else if( c == '\t' )
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converted += "{tab}";
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else if( c == '\n' || c == '\r' )
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converted += "{return}";
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else
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converted += c;
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}
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else if( aContext == CTX_FILENAME )
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{
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if( c == '{' )
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converted += "{brace}";
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else if( c == '/' )
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converted += "{slash}";
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else if( c == '\\' )
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converted += "{backslash}";
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else if( c == '\"' )
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converted += "{dblquote}";
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else if( c == '<' )
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converted += "{lt}";
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else if( c == '>' )
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converted += "{gt}";
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else if( c == '|' )
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converted += "{bar}";
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else if( c == ':' )
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converted += "{colon}";
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else if( c == '\t' )
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converted += "{tab}";
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else if( c == '\n' || c == '\r' )
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converted += "{return}";
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else
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converted += c;
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}
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else
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converted += c;
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}
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return converted;
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}
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wxString UnescapeString( const wxString& aSource )
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{
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wxString converted = aSource;
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converted.Replace( "{dblquote}", "\"" );
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converted.Replace( "{quote}", "'" );
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converted.Replace( "{lt}", "<" );
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converted.Replace( "{gt}", ">" );
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converted.Replace( "{backslash}", "\\" );
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converted.Replace( "{slash}", "/" );
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converted.Replace( "{bar}", "|" );
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converted.Replace( "{colon}", ":" );
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converted.Replace( "{space}", " " );
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converted.Replace( "{dollar}", "$" );
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converted.Replace( "{tab}", "\t" );
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converted.Replace( "{return}", "\n" );
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// must be done last
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converted.Replace( "{brace}", "{" );
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return converted;
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}
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int ReadDelimitedText( wxString* aDest, const char* aSource )
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{
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std::string utf8; // utf8 but without escapes and quotes.
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bool inside = false;
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const char* start = aSource;
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char cc;
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while( (cc = *aSource++) != 0 )
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{
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if( cc == '"' )
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{
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if( inside )
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break; // 2nd double quote is end of delimited text
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inside = true; // first delimiter found, make note, do not copy
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}
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else if( inside )
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{
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if( cc == '\\' )
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{
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cc = *aSource++;
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if( !cc )
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break;
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// do no copy the escape byte if it is followed by \ or "
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if( cc != '"' && cc != '\\' )
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utf8 += '\\';
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utf8 += cc;
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}
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else
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{
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utf8 += cc;
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}
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}
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}
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*aDest = FROM_UTF8( utf8.c_str() );
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return aSource - start;
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}
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int ReadDelimitedText( char* aDest, const char* aSource, int aDestSize )
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{
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if( aDestSize <= 0 )
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return 0;
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bool inside = false;
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const char* start = aSource;
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char* limit = aDest + aDestSize - 1;
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char cc;
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while( (cc = *aSource++) != 0 && aDest < limit )
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{
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if( cc == '"' )
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{
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if( inside )
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break; // 2nd double quote is end of delimited text
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inside = true; // first delimiter found, make note, do not copy
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}
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else if( inside )
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{
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if( cc == '\\' )
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{
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cc = *aSource++;
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if( !cc )
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break;
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// do no copy the escape byte if it is followed by \ or "
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if( cc != '"' && cc != '\\' )
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*aDest++ = '\\';
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if( aDest < limit )
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*aDest++ = cc;
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}
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else
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{
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*aDest++ = cc;
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}
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}
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}
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*aDest = 0;
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return aSource - start;
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}
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std::string EscapedUTF8( wxString aString )
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{
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// No new-lines allowed in quoted strings
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aString.Replace( "\r\n", "\r" );
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aString.Replace( "\n", "\r" );
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std::string utf8 = TO_UTF8( aString );
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std::string ret;
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ret += '"';
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for( std::string::const_iterator it = utf8.begin(); it!=utf8.end(); ++it )
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{
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// this escaping strategy is designed to be compatible with ReadDelimitedText():
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if( *it == '"' )
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{
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ret += '\\';
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ret += '"';
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}
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else if( *it == '\\' )
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{
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ret += '\\'; // double it up
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ret += '\\';
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}
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else
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{
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ret += *it;
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}
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}
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ret += '"';
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return ret;
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}
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wxString EscapedHTML( const wxString& aString )
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{
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wxString converted;
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for( wxUniChar c: aString )
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{
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if( c == '\"' )
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converted += """;
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else if( c == '\'' )
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converted += "'";
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else if( c == '&' )
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converted += "&";
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else if( c == '<' )
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converted += "<";
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else if( c == '>' )
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converted += ">";
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else
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converted += c;
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}
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return converted;
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}
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char* StrPurge( char* text )
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{
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static const char whitespace[] = " \t\n\r\f\v";
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if( text )
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{
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while( *text && strchr( whitespace, *text ) )
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++text;
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char* cp = text + strlen( text ) - 1;
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while( cp >= text && strchr( whitespace, *cp ) )
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*cp-- = '\0';
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}
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return text;
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}
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char* GetLine( FILE* File, char* Line, int* LineNum, int SizeLine )
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{
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do {
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if( fgets( Line, SizeLine, File ) == NULL )
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return NULL;
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if( LineNum )
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*LineNum += 1;
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} while( Line[0] == '#' || Line[0] == '\n' || Line[0] == '\r' || Line[0] == 0 );
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strtok( Line, "\n\r" );
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return Line;
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}
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wxString DateAndTime()
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{
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wxDateTime datetime = wxDateTime::Now();
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datetime.SetCountry( wxDateTime::Country_Default );
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return datetime.Format( wxDefaultDateTimeFormat, wxDateTime::Local );
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}
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int StrNumCmp( const wxString& aString1, const wxString& aString2, bool aIgnoreCase )
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{
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int nb1 = 0, nb2 = 0;
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auto str1 = aString1.begin();
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auto str2 = aString2.begin();
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while( str1 != aString1.end() && str2 != aString2.end() )
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{
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wxUniChar c1 = *str1;
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wxUniChar c2 = *str2;
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if( wxIsdigit( c1 ) && wxIsdigit( c2 ) ) // Both characters are digits, do numeric compare.
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{
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nb1 = 0;
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nb2 = 0;
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do
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{
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c1 = *str1;
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nb1 = nb1 * 10 + (int) c1 - '0';
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++str1;
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} while( str1 != aString1.end() && wxIsdigit( *str1 ) );
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do
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{
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c2 = *str2;
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nb2 = nb2 * 10 + (int) c2 - '0';
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++str2;
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} while( str2 != aString2.end() && wxIsdigit( *str2 ) );
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if( nb1 < nb2 )
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return -1;
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if( nb1 > nb2 )
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return 1;
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c1 = ( str1 != aString1.end() ) ? *str1 : wxUniChar( 0 );
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c2 = ( str2 != aString2.end() ) ? *str2 : wxUniChar( 0 );
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}
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// Any numerical comparisons to here are identical.
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if( aIgnoreCase )
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{
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if( wxToupper( c1 ) < wxToupper( c2 ) )
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return -1;
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if( wxToupper( c1 ) > wxToupper( c2 ) )
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return 1;
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}
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else
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{
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if( c1 < c2 )
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return -1;
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if( c1 > c2 )
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return 1;
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}
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if( str1 != aString1.end() )
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++str1;
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if( str2 != aString2.end() )
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++str2;
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}
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if( str1 == aString1.end() && str2 != aString2.end() )
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{
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return -1; // Identical to here but aString1 is longer.
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}
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else if( str1 != aString1.end() && str2 == aString2.end() )
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{
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return 1; // Identical to here but aString2 is longer.
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}
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return 0;
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}
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bool WildCompareString( const wxString& pattern, const wxString& string_to_tst,
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bool case_sensitive )
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{
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const wxChar* cp = NULL, * mp = NULL;
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const wxChar* wild, * string;
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wxString _pattern, _string_to_tst;
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if( case_sensitive )
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{
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wild = pattern.GetData();
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string = string_to_tst.GetData();
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}
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else
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{
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_pattern = pattern;
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_pattern.MakeUpper();
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_string_to_tst = string_to_tst;
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_string_to_tst.MakeUpper();
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wild = _pattern.GetData();
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string = _string_to_tst.GetData();
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}
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while( ( *string ) && ( *wild != '*' ) )
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{
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if( ( *wild != *string ) && ( *wild != '?' ) )
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return false;
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wild++; string++;
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}
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while( *string )
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{
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if( *wild == '*' )
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{
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if( !*++wild )
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return 1;
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mp = wild;
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cp = string + 1;
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}
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else if( ( *wild == *string ) || ( *wild == '?' ) )
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{
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wild++;
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string++;
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}
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else
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{
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wild = mp;
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string = cp++;
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}
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}
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while( *wild == '*' )
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{
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wild++;
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}
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return !*wild;
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}
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bool ApplyModifier( double& value, const wxString& aString )
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{
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static const wxString modifiers( wxT( "pnumkKM" ) );
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if( !aString.length() )
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return false;
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wxChar modifier;
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wxString units;
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if( modifiers.Find( aString[ 0 ] ) >= 0 )
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{
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modifier = aString[ 0 ];
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units = aString.Mid( 1 ).Trim();
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}
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else
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{
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modifier = ' ';
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units = aString.Mid( 0 ).Trim();
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}
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if( units.length()
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&& !units.CmpNoCase( wxT( "F" ) )
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&& !units.CmpNoCase( wxT( "hz" ) )
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&& !units.CmpNoCase( wxT( "W" ) )
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&& !units.CmpNoCase( wxT( "V" ) )
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&& !units.CmpNoCase( wxT( "H" ) ) )
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return false;
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|
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if( modifier == 'p' )
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value *= 1.0e-12;
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if( modifier == 'n' )
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value *= 1.0e-9;
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else if( modifier == 'u' )
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value *= 1.0e-6;
|
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else if( modifier == 'm' )
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value *= 1.0e-3;
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else if( modifier == 'k' || modifier == 'K' )
|
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value *= 1.0e3;
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else if( modifier == 'M' )
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value *= 1.0e6;
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else if( modifier == 'G' )
|
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value *= 1.0e9;
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|
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return true;
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}
|
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|
|
|
|
int ValueStringCompare( wxString strFWord, wxString strSWord )
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{
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// Compare unescaped text
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strFWord = UnescapeString( strFWord );
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strSWord = UnescapeString( strSWord );
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|
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// The different sections of the two strings
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wxString strFWordBeg, strFWordMid, strFWordEnd;
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wxString strSWordBeg, strSWordMid, strSWordEnd;
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|
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// Split the two strings into separate parts
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SplitString( strFWord, &strFWordBeg, &strFWordMid, &strFWordEnd );
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SplitString( strSWord, &strSWordBeg, &strSWordMid, &strSWordEnd );
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|
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// Compare the Beginning section of the strings
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int isEqual = strFWordBeg.CmpNoCase( strSWordBeg );
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|
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if( isEqual > 0 )
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return 1;
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else if( isEqual < 0 )
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return -1;
|
|
else
|
|
{
|
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// If the first sections are equal compare their digits
|
|
double lFirstNumber = 0;
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double lSecondNumber = 0;
|
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bool endingIsModifier = false;
|
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|
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strFWordMid.ToDouble( &lFirstNumber );
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strSWordMid.ToDouble( &lSecondNumber );
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endingIsModifier |= ApplyModifier( lFirstNumber, strFWordEnd );
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endingIsModifier |= ApplyModifier( lSecondNumber, strSWordEnd );
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|
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if( lFirstNumber > lSecondNumber )
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return 1;
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else if( lFirstNumber < lSecondNumber )
|
|
return -1;
|
|
// If the first two sections are equal and the endings are modifiers then compare them
|
|
else if( !endingIsModifier )
|
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return strFWordEnd.CmpNoCase( strSWordEnd );
|
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// Ran out of things to compare; they must match
|
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else
|
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return 0;
|
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}
|
|
}
|
|
|
|
|
|
int SplitString( wxString strToSplit,
|
|
wxString* strBeginning,
|
|
wxString* strDigits,
|
|
wxString* strEnd )
|
|
{
|
|
static const wxString separators( wxT( ".," ) );
|
|
|
|
// Clear all the return strings
|
|
strBeginning->Empty();
|
|
strDigits->Empty();
|
|
strEnd->Empty();
|
|
|
|
// There no need to do anything if the string is empty
|
|
if( strToSplit.length() == 0 )
|
|
return 0;
|
|
|
|
// Starting at the end of the string look for the first digit
|
|
int ii;
|
|
|
|
for( ii = (strToSplit.length() - 1); ii >= 0; ii-- )
|
|
{
|
|
if( wxIsdigit( strToSplit[ii] ) )
|
|
break;
|
|
}
|
|
|
|
// If there were no digits then just set the single string
|
|
if( ii < 0 )
|
|
{
|
|
*strBeginning = strToSplit;
|
|
}
|
|
else
|
|
{
|
|
// Since there is at least one digit this is the trailing string
|
|
*strEnd = strToSplit.substr( ii + 1 );
|
|
|
|
// Go to the end of the digits
|
|
int position = ii + 1;
|
|
|
|
for( ; ii >= 0; ii-- )
|
|
{
|
|
if( !wxIsdigit( strToSplit[ii] ) && separators.Find( strToSplit[ii] ) < 0 )
|
|
break;
|
|
}
|
|
|
|
// If all that was left was digits, then just set the digits string
|
|
if( ii < 0 )
|
|
*strDigits = strToSplit.substr( 0, position );
|
|
|
|
/* We were only looking for the last set of digits everything else is
|
|
* part of the preamble */
|
|
else
|
|
{
|
|
*strDigits = strToSplit.substr( ii + 1, position - ii - 1 );
|
|
*strBeginning = strToSplit.substr( 0, ii + 1 );
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int GetTrailingInt( const wxString& aStr )
|
|
{
|
|
int number = 0;
|
|
int base = 1;
|
|
|
|
// Trim and extract the trailing numeric part
|
|
int index = aStr.Len() - 1;
|
|
|
|
while( index >= 0 )
|
|
{
|
|
const char chr = aStr.GetChar( index );
|
|
|
|
if( chr < '0' || chr > '9' )
|
|
break;
|
|
|
|
number += ( chr - '0' ) * base;
|
|
base *= 10;
|
|
index--;
|
|
}
|
|
|
|
return number;
|
|
}
|
|
|
|
|
|
wxString GetIllegalFileNameWxChars()
|
|
{
|
|
return FROM_UTF8( illegalFileNameChars );
|
|
}
|
|
|
|
|
|
bool ReplaceIllegalFileNameChars( std::string* aName, int aReplaceChar )
|
|
{
|
|
bool changed = false;
|
|
std::string result;
|
|
result.reserve( aName->length() );
|
|
|
|
for( std::string::iterator it = aName->begin(); it != aName->end(); ++it )
|
|
{
|
|
if( strchr( illegalFileNameChars, *it ) )
|
|
{
|
|
if( aReplaceChar )
|
|
StrPrintf( &result, "%c", aReplaceChar );
|
|
else
|
|
StrPrintf( &result, "%%%02x", *it );
|
|
|
|
changed = true;
|
|
}
|
|
else
|
|
{
|
|
result += *it;
|
|
}
|
|
}
|
|
|
|
if( changed )
|
|
*aName = result;
|
|
|
|
return changed;
|
|
}
|
|
|
|
|
|
bool ReplaceIllegalFileNameChars( wxString& aName, int aReplaceChar )
|
|
{
|
|
bool changed = false;
|
|
wxString result;
|
|
result.reserve( aName.Length() );
|
|
wxString illWChars = GetIllegalFileNameWxChars();
|
|
|
|
for( wxString::iterator it = aName.begin(); it != aName.end(); ++it )
|
|
{
|
|
if( illWChars.Find( *it ) != wxNOT_FOUND )
|
|
{
|
|
if( aReplaceChar )
|
|
result += aReplaceChar;
|
|
else
|
|
result += wxString::Format( "%%%02x", *it );
|
|
|
|
changed = true;
|
|
}
|
|
else
|
|
{
|
|
result += *it;
|
|
}
|
|
}
|
|
|
|
if( changed )
|
|
aName = result;
|
|
|
|
return changed;
|
|
}
|