kicad/eeschema/sch_plugins/legacy/sch_legacy_plugin_helpers.h

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/*
* 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_