Factor out common legacy schematic and symbol library parser code.

This commit is contained in:
Wayne Stambaugh 2022-02-01 16:29:54 -05:00
parent 61b2b0ff0c
commit 6fcc6f7c9d
4 changed files with 460 additions and 384 deletions

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@ -249,6 +249,7 @@ set( EESCHEMA_SRCS
sch_plugins/kicad/sch_sexpr_parser.cpp
sch_plugins/kicad/sch_sexpr_plugin.cpp
sch_plugins/legacy/sch_legacy_plugin.cpp
sch_plugins/legacy/sch_legacy_plugin_helpers.cpp
# Simulator settings must get built even when the simulator build option is disabled.
sim/spice_settings.cpp

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@ -54,6 +54,7 @@
#include <sch_sheet_pin.h>
#include <bus_alias.h>
#include <sch_plugins/legacy/sch_legacy_plugin.h>
#include <sch_plugins/legacy/sch_legacy_plugin_helpers.h>
#include <sch_screen.h>
#include <schematic.h>
#include <symbol_library.h>
@ -88,15 +89,6 @@
#define USE_OLD_DOC_FILE_FORMAT( major, minor ) \
( LIB_VERSION( major, minor ) <= LIB_VERSION( 2, 4 ) )
#define SCH_PARSE_ERROR( text, reader, pos ) \
THROW_PARSE_ERROR( text, reader.GetSource(), reader.Line(), \
reader.LineNumber(), pos - reader.Line() )
// Token delimiters.
const char* delims = " \t\r\n";
// Tokens to read/save graphic lines style
#define T_STYLE "style"
#define T_COLOR "rgb" // cannot be modified (used by wxWidgets)
@ -104,381 +96,6 @@ const char* delims = " \t\r\n";
#define T_WIDTH "width"
static bool is_eol( char c )
{
// The default file eol character used internally by KiCad.
// |
// | Possible eol if someone edited the file by hand on certain platforms.
// | |
// | | May have gone past eol with strtok().
// | | |
if( c == '\n' || c == '\r' || c == 0 )
return true;
return false;
}
/**
* Compare \a aString to the string starting at \a aLine and advances the character point to
* the end of \a String and returns the new pointer position in \a aOutput if it is not NULL.
*
* @param aString - A pointer to the string to compare.
* @param aLine - A pointer to string to begin the comparison.
* @param aOutput - A pointer to a string pointer to the end of the comparison if not NULL.
* @return true if \a aString was found starting at \a aLine. Otherwise false.
*/
static bool strCompare( const char* aString, const char* aLine, const char** aOutput = nullptr )
{
size_t len = strlen( aString );
bool retv = ( strncasecmp( aLine, aString, len ) == 0 ) &&
( isspace( aLine[ len ] ) || aLine[ len ] == 0 );
if( retv && aOutput )
{
const char* tmp = aLine;
// Move past the end of the token.
tmp += len;
// Move to the beginning of the next token.
while( *tmp && isspace( *tmp ) )
tmp++;
*aOutput = tmp;
}
return retv;
}
/**
* Parse an ASCII integer string with possible leading whitespace into
* an integer and updates the pointer at \a aOutput if it is not NULL, just
* like "man strtol()".
*
* @param aReader - The line reader used to generate exception throw information.
* @param aLine - A pointer the current position in a string.
* @param aOutput - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid integer value.
* @throw An #IO_ERROR on an unexpected end of line.
* @throw A #PARSE_ERROR if the parsed token is not a valid integer.
*/
static int parseInt( LINE_READER& aReader, const char* aLine, const char** aOutput = nullptr )
{
if( !*aLine )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aLine );
// Clear errno before calling strtol() in case some other crt call set it.
errno = 0;
long retv = strtol( aLine, (char**) aOutput, 10 );
// Make sure no error occurred when calling strtol().
if( errno == ERANGE )
SCH_PARSE_ERROR( "invalid integer value", aReader, aLine );
// strtol does not strip off whitespace before the next token.
if( aOutput )
{
const char* next = *aOutput;
while( *next && isspace( *next ) )
next++;
*aOutput = next;
}
return (int) retv;
}
/**
* Parse an ASCII hex integer string with possible leading whitespace into
* a long integer and updates the pointer at \a aOutput if it is not NULL, just
* like "man strtoll".
*
* @param aReader - The line reader used to generate exception throw information.
* @param aLine - A pointer the current position in a string.
* @param aOutput - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid uint32_t value.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the parsed token is not a valid integer.
*/
static uint32_t parseHex( LINE_READER& aReader, const char* aLine, const char** aOutput = nullptr )
{
if( !*aLine )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aLine );
// Due to some issues between some files created by a 64 bits version and those
// created by a 32 bits version, we use here a temporary at least 64 bits storage:
unsigned long long retv;
// Clear errno before calling strtoull() in case some other crt call set it.
errno = 0;
retv = strtoull( aLine, (char**) aOutput, 16 );
// Make sure no error occurred when calling strtoull().
if( errno == ERANGE )
SCH_PARSE_ERROR( "invalid hexadecimal number", aReader, aLine );
// Strip off whitespace before the next token.
if( aOutput )
{
const char* next = *aOutput;
while( *next && isspace( *next ) )
next++;
*aOutput = next;
}
return (uint32_t)retv;
}
/**
* Parses an ASCII point string with possible leading whitespace into a double precision
* floating point number and updates the pointer at \a aOutput if it is not NULL, just
* like "man strtod".
*
* @param aReader - The line reader used to generate exception throw information.
* @param aLine - A pointer the current position in a string.
* @param aOutput - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid double value.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the parsed token is not a valid integer.
*/
static double parseDouble( LINE_READER& aReader, const char* aLine,
const char** aOutput = nullptr )
{
if( !*aLine )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aLine );
// Clear errno before calling strtod() in case some other crt call set it.
errno = 0;
double retv = strtod( aLine, (char**) aOutput );
// Make sure no error occurred when calling strtod().
if( errno == ERANGE )
SCH_PARSE_ERROR( "invalid floating point number", aReader, aLine );
// strtod does not strip off whitespace before the next token.
if( aOutput )
{
const char* next = *aOutput;
while( *next && isspace( *next ) )
next++;
*aOutput = next;
}
return retv;
}
/**
* Parse a single ASCII character and updates the pointer at \a aOutput if it is not NULL.
*
* @param aReader - The line reader used to generate exception throw information.
* @param aCurrentToken - A pointer the current position in a string.
* @param aNextToken - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid ASCII character.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the parsed token is not a single character token.
*/
static char parseChar( LINE_READER& aReader, const char* aCurrentToken,
const char** aNextToken = nullptr )
{
while( *aCurrentToken && isspace( *aCurrentToken ) )
aCurrentToken++;
if( !*aCurrentToken )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
if( !isspace( *( aCurrentToken + 1 ) ) )
SCH_PARSE_ERROR( "expected single character token", aReader, aCurrentToken );
if( aNextToken )
{
const char* next = aCurrentToken + 2;
while( *next && isspace( *next ) )
next++;
*aNextToken = next;
}
return *aCurrentToken;
}
/**
* Parse an unquoted utf8 string and updates the pointer at \a aOutput if it is not NULL.
*
* The parsed string must be a continuous string with no white space.
*
* @param aString - A reference to the parsed string.
* @param aReader - The line reader used to generate exception throw information.
* @param aCurrentToken - A pointer the current position in a string.
* @param aNextToken - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @param aCanBeEmpty - True if the parsed string is optional. False if it is mandatory.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the \a aCanBeEmpty is false and no string was parsed.
*/
static void parseUnquotedString( wxString& aString, LINE_READER& aReader,
const char* aCurrentToken, const char** aNextToken = nullptr,
bool aCanBeEmpty = false )
{
if( !*aCurrentToken )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
const char* tmp = aCurrentToken;
while( *tmp && isspace( *tmp ) )
tmp++;
if( !*tmp )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
std::string utf8;
while( *tmp && !isspace( *tmp ) )
utf8 += *tmp++;
aString = FROM_UTF8( utf8.c_str() );
if( aString.IsEmpty() && !aCanBeEmpty )
SCH_PARSE_ERROR( _( "expected unquoted string" ), aReader, aCurrentToken );
if( aNextToken )
{
const char* next = tmp;
while( *next && isspace( *next ) )
next++;
*aNextToken = next;
}
}
/**
* Parse an quoted ASCII utf8 and updates the pointer at \a aOutput if it is not NULL.
*
* The parsed string must be contained within a single line. There are no multi-line
* quoted strings in the legacy schematic file format.
*
* @param aString - A reference to the parsed string.
* @param aReader - The line reader used to generate exception throw information.
* @param aCurrentToken - A pointer the current position in a string.
* @param aNextToken - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @param aCanBeEmpty - True if the parsed string is optional. False if it is mandatory.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the \a aCanBeEmpty is false and no string was parsed.
*/
static void parseQuotedString( wxString& aString, LINE_READER& aReader,
const char* aCurrentToken, const char** aNextToken = nullptr,
bool aCanBeEmpty = false )
{
if( !*aCurrentToken )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
const char* tmp = aCurrentToken;
while( *tmp && isspace( *tmp ) )
tmp++;
if( !*tmp )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
// Verify opening quote.
if( *tmp != '"' )
SCH_PARSE_ERROR( "expecting opening quote", aReader, aCurrentToken );
tmp++;
std::string utf8; // utf8 without escapes and quotes.
// Fetch everything up to closing quote.
while( *tmp )
{
if( *tmp == '\\' )
{
tmp++;
if( !*tmp )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
// Do not copy the escape byte if it is followed by \ or "
if( *tmp != '"' && *tmp != '\\' )
utf8 += '\\';
utf8 += *tmp;
}
else if( *tmp == '"' ) // Closing double quote.
{
break;
}
else
{
utf8 += *tmp;
}
tmp++;
}
aString = FROM_UTF8( utf8.c_str() );
if( aString.IsEmpty() && !aCanBeEmpty )
SCH_PARSE_ERROR( "expected quoted string", aReader, aCurrentToken );
if( *tmp && *tmp != '"' )
SCH_PARSE_ERROR( "no closing quote for string found", aReader, tmp );
// Move past the closing quote.
tmp++;
if( aNextToken )
{
const char* next = tmp;
while( *next == ' ' )
next++;
*aNextToken = next;
}
}
/**
* A cache assistant for the symbol library portion of the #SCH_PLUGIN API, and only for the
* #SCH_LEGACY_PLUGIN, so therefore is private to this implementation file, i.e. not placed

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@ -0,0 +1,313 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <wx/intl.h>
#include <wx/string.h>
#include <macros.h>
#include <richio.h>
#include "sch_legacy_plugin_helpers.h"
// Token delimiters.
const char* delims = " \t\r\n";
bool is_eol( char c )
{
// The default file eol character used internally by KiCad.
// |
// | Possible eol if someone edited the file by hand on certain platforms.
// | |
// | | May have gone past eol with strtok().
// | | |
if( c == '\n' || c == '\r' || c == 0 )
return true;
return false;
}
bool strCompare( const char* aString, const char* aLine, const char** aOutput )
{
size_t len = strlen( aString );
bool retv = ( strncasecmp( aLine, aString, len ) == 0 ) &&
( isspace( aLine[ len ] ) || aLine[ len ] == 0 );
if( retv && aOutput )
{
const char* tmp = aLine;
// Move past the end of the token.
tmp += len;
// Move to the beginning of the next token.
while( *tmp && isspace( *tmp ) )
tmp++;
*aOutput = tmp;
}
return retv;
}
int parseInt( LINE_READER& aReader, const char* aLine, const char** aOutput )
{
if( !*aLine )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aLine );
// Clear errno before calling strtol() in case some other crt call set it.
errno = 0;
long retv = strtol( aLine, (char**) aOutput, 10 );
// Make sure no error occurred when calling strtol().
if( errno == ERANGE )
SCH_PARSE_ERROR( "invalid integer value", aReader, aLine );
// strtol does not strip off whitespace before the next token.
if( aOutput )
{
const char* next = *aOutput;
while( *next && isspace( *next ) )
next++;
*aOutput = next;
}
return (int) retv;
}
uint32_t parseHex( LINE_READER& aReader, const char* aLine, const char** aOutput )
{
if( !*aLine )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aLine );
// Due to some issues between some files created by a 64 bits version and those
// created by a 32 bits version, we use here a temporary at least 64 bits storage:
unsigned long long retv;
// Clear errno before calling strtoull() in case some other crt call set it.
errno = 0;
retv = strtoull( aLine, (char**) aOutput, 16 );
// Make sure no error occurred when calling strtoull().
if( errno == ERANGE )
SCH_PARSE_ERROR( "invalid hexadecimal number", aReader, aLine );
// Strip off whitespace before the next token.
if( aOutput )
{
const char* next = *aOutput;
while( *next && isspace( *next ) )
next++;
*aOutput = next;
}
return (uint32_t)retv;
}
double parseDouble( LINE_READER& aReader, const char* aLine, const char** aOutput )
{
if( !*aLine )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aLine );
// Clear errno before calling strtod() in case some other crt call set it.
errno = 0;
double retv = strtod( aLine, (char**) aOutput );
// Make sure no error occurred when calling strtod().
if( errno == ERANGE )
SCH_PARSE_ERROR( "invalid floating point number", aReader, aLine );
// strtod does not strip off whitespace before the next token.
if( aOutput )
{
const char* next = *aOutput;
while( *next && isspace( *next ) )
next++;
*aOutput = next;
}
return retv;
}
char parseChar( LINE_READER& aReader, const char* aCurrentToken, const char** aNextToken )
{
while( *aCurrentToken && isspace( *aCurrentToken ) )
aCurrentToken++;
if( !*aCurrentToken )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
if( !isspace( *( aCurrentToken + 1 ) ) )
SCH_PARSE_ERROR( "expected single character token", aReader, aCurrentToken );
if( aNextToken )
{
const char* next = aCurrentToken + 2;
while( *next && isspace( *next ) )
next++;
*aNextToken = next;
}
return *aCurrentToken;
}
void parseUnquotedString( wxString& aString, LINE_READER& aReader, const char* aCurrentToken,
const char** aNextToken, bool aCanBeEmpty )
{
if( !*aCurrentToken )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
const char* tmp = aCurrentToken;
while( *tmp && isspace( *tmp ) )
tmp++;
if( !*tmp )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
std::string utf8;
while( *tmp && !isspace( *tmp ) )
utf8 += *tmp++;
aString = FROM_UTF8( utf8.c_str() );
if( aString.IsEmpty() && !aCanBeEmpty )
SCH_PARSE_ERROR( _( "expected unquoted string" ), aReader, aCurrentToken );
if( aNextToken )
{
const char* next = tmp;
while( *next && isspace( *next ) )
next++;
*aNextToken = next;
}
}
void parseQuotedString( wxString& aString, LINE_READER& aReader, const char* aCurrentToken,
const char** aNextToken, bool aCanBeEmpty )
{
if( !*aCurrentToken )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
const char* tmp = aCurrentToken;
while( *tmp && isspace( *tmp ) )
tmp++;
if( !*tmp )
{
if( aCanBeEmpty )
return;
else
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
}
// Verify opening quote.
if( *tmp != '"' )
SCH_PARSE_ERROR( "expecting opening quote", aReader, aCurrentToken );
tmp++;
std::string utf8; // utf8 without escapes and quotes.
// Fetch everything up to closing quote.
while( *tmp )
{
if( *tmp == '\\' )
{
tmp++;
if( !*tmp )
SCH_PARSE_ERROR( _( "unexpected end of line" ), aReader, aCurrentToken );
// Do not copy the escape byte if it is followed by \ or "
if( *tmp != '"' && *tmp != '\\' )
utf8 += '\\';
utf8 += *tmp;
}
else if( *tmp == '"' ) // Closing double quote.
{
break;
}
else
{
utf8 += *tmp;
}
tmp++;
}
aString = FROM_UTF8( utf8.c_str() );
if( aString.IsEmpty() && !aCanBeEmpty )
SCH_PARSE_ERROR( "expected quoted string", aReader, aCurrentToken );
if( *tmp && *tmp != '"' )
SCH_PARSE_ERROR( "no closing quote for string found", aReader, tmp );
// Move past the closing quote.
tmp++;
if( aNextToken )
{
const char* next = tmp;
while( *next == ' ' )
next++;
*aNextToken = next;
}
}

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@ -0,0 +1,145 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SCH_LEGACY_PLUGIN_HELPERS_H_
#define _SCH_LEGACY_PLUGIN_HELPERS_H_
#include <cstdint>
#define SCH_PARSE_ERROR( text, reader, pos ) \
THROW_PARSE_ERROR( text, reader.GetSource(), reader.Line(), \
reader.LineNumber(), pos - reader.Line() )
class LINE_READER;
class wxString;
extern bool is_eol( char c );
/**
* Compare \a aString to the string starting at \a aLine and advances the character point to
* the end of \a String and returns the new pointer position in \a aOutput if it is not NULL.
*
* @param aString - A pointer to the string to compare.
* @param aLine - A pointer to string to begin the comparison.
* @param aOutput - A pointer to a string pointer to the end of the comparison if not NULL.
* @return true if \a aString was found starting at \a aLine. Otherwise false.
*/
extern bool strCompare( const char* aString, const char* aLine, const char** aOutput = nullptr );
/**
* Parse an ASCII integer string with possible leading whitespace into
* an integer and updates the pointer at \a aOutput if it is not NULL, just
* like "man strtol()".
*
* @param aReader - The line reader used to generate exception throw information.
* @param aLine - A pointer the current position in a string.
* @param aOutput - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid integer value.
* @throw An #IO_ERROR on an unexpected end of line.
* @throw A #PARSE_ERROR if the parsed token is not a valid integer.
*/
extern int parseInt( LINE_READER& aReader, const char* aLine, const char** aOutput = nullptr );
/**
* Parse an ASCII hex integer string with possible leading whitespace into
* a long integer and updates the pointer at \a aOutput if it is not NULL, just
* like "man strtoll".
*
* @param aReader - The line reader used to generate exception throw information.
* @param aLine - A pointer the current position in a string.
* @param aOutput - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid uint32_t value.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the parsed token is not a valid integer.
*/
extern uint32_t parseHex( LINE_READER& aReader, const char* aLine, const char** aOutput = nullptr );
/**
* Parses an ASCII point string with possible leading whitespace into a double precision
* floating point number and updates the pointer at \a aOutput if it is not NULL, just
* like "man strtod".
*
* @param aReader - The line reader used to generate exception throw information.
* @param aLine - A pointer the current position in a string.
* @param aOutput - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid double value.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the parsed token is not a valid integer.
*/
extern double parseDouble( LINE_READER& aReader, const char* aLine,
const char** aOutput = nullptr );
/**
* Parse a single ASCII character and updates the pointer at \a aOutput if it is not NULL.
*
* @param aReader - The line reader used to generate exception throw information.
* @param aCurrentToken - A pointer the current position in a string.
* @param aNextToken - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @return A valid ASCII character.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the parsed token is not a single character token.
*/
extern char parseChar( LINE_READER& aReader, const char* aCurrentToken,
const char** aNextToken = nullptr );
/**
* Parse an unquoted utf8 string and updates the pointer at \a aOutput if it is not NULL.
*
* The parsed string must be a continuous string with no white space.
*
* @param aString - A reference to the parsed string.
* @param aReader - The line reader used to generate exception throw information.
* @param aCurrentToken - A pointer the current position in a string.
* @param aNextToken - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @param aCanBeEmpty - True if the parsed string is optional. False if it is mandatory.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the \a aCanBeEmpty is false and no string was parsed.
*/
extern void parseUnquotedString( wxString& aString, LINE_READER& aReader, const char* aCurrentToken,
const char** aNextToken = nullptr, bool aCanBeEmpty = false );
/**
* Parse an quoted ASCII utf8 and updates the pointer at \a aOutput if it is not NULL.
*
* The parsed string must be contained within a single line. There are no multi-line
* quoted strings in the legacy schematic file format.
*
* @param aString - A reference to the parsed string.
* @param aReader - The line reader used to generate exception throw information.
* @param aCurrentToken - A pointer the current position in a string.
* @param aNextToken - The pointer to a string pointer to copy the string pointer position when
* the parsing is complete.
* @param aCanBeEmpty - True if the parsed string is optional. False if it is mandatory.
* @throw IO_ERROR on an unexpected end of line.
* @throw PARSE_ERROR if the \a aCanBeEmpty is false and no string was parsed.
*/
extern void parseQuotedString( wxString& aString, LINE_READER& aReader, const char* aCurrentToken,
const char** aNextToken = nullptr, bool aCanBeEmpty = false );
#endif // _SCH_LEGACY_PLUGIN_HELPERS_H_