kicad/plugins/3d/vrml/wrlproc.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
* 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
*/
/**
* @file wrlproc.h
* defines the basic input class for VRML
*/
#ifndef WRLPROC_H
#define WRLPROC_H
#include <fstream>
#include <string>
#include <vector>
#include "richio.h"
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#include "wrltypes.h"
class WRLPROC
{
public:
WRLPROC( LINE_READER* aLineReader );
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~WRLPROC();
bool eof( void );
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// return the VRML Version
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WRLVERSION GetVRMLType( void );
// return the parent directory of the current file
const char* GetParentDir( void );
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// helper routines
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std::string GetError( void );
bool GetFilePosData( size_t& line, size_t& column );
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std::string GetFilePosition() const;
std::string GetFileName( void );
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// eatSpace discards all leading white space from the current m_linepos
// and continues until a non-empty line is found which contains non-blank
// characters
bool EatSpace( void );
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// Peek returns the next non-white char in the file or '\0' on failure
char Peek( void );
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// Pop removes the current char from the buffer
void Pop( void );
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// read up to the next whitespace or comma
bool ReadGlob( std::string& aGlob );
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// read a VRML name; is similar to ReadGlob except that it enforces
// name checking rules, does not allow a comma at the end, and
// stops when a left/right brace or bracket is found.
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bool ReadName( std::string& aName );
bool DiscardNode( void ); // discard node data in a matched '{}' set
bool DiscardList( void ); // discard list data in a matched '[]' set
// single variable readers
bool ReadString( std::string& aSFString ); // read a VRML string
bool ReadSFBool( bool& aSFBool );
bool ReadSFColor( WRLVEC3F& aSFColor );
bool ReadSFFloat( float& aSFFloat );
bool ReadSFInt( int& aSFInt32 );
bool ReadSFRotation( WRLROTATION& aSFRotation );
bool ReadSFVec2f( WRLVEC2F& aSFVec2f );
bool ReadSFVec3f( WRLVEC3F& aSFVec3f );
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// array readers
bool ReadMFString( std::vector< std::string >& aMFString );
bool ReadMFColor( std::vector< WRLVEC3F >& aMFColor );
bool ReadMFFloat( std::vector< float >& aMFFloat );
bool ReadMFInt( std::vector< int >& aMFInt32 );
bool ReadMFRotation( std::vector< WRLROTATION >& aMFRotation );
bool ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f );
bool ReadMFVec3f( std::vector< WRLVEC3F >& aMFVec3f );
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// getRawLine reads a single non-blank line and in the case of a VRML1 file
// it checks for invalid characters (bit 8 set). If m_buf is not empty and
// not completely parsed the function returns 'true'. The file position
// parameters are updated as appropriate.
bool getRawLine( void );
private:
LINE_READER* m_file;
std::string m_buf; // string being parsed
bool m_eof;
unsigned int m_fileline;
unsigned int m_bufpos;
WRLVERSION m_fileVersion; // VRML file version
std::string m_error; // error message
std::string m_badchars; // characters forbidden in VRML{1|2} names
std::string m_filename; // current file
std::string m_filedir; // parent directory of the file
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};
#endif // WRLPROC_H