122 lines
4.2 KiB
C++
122 lines
4.2 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) 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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*
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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 wrlproc.h
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* defines the basic input class for VRML
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*/
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#ifndef WRLPROC_H
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#define WRLPROC_H
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#include <fstream>
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#include <string>
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#include <vector>
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#include "richio.h"
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#include "wrltypes.h"
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class WRLPROC
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{
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public:
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WRLPROC( LINE_READER* aLineReader );
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~WRLPROC();
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bool eof( void );
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// return the VRML Version
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WRLVERSION GetVRMLType( void );
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// return the parent directory of the current file
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const char* GetParentDir( void );
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// helper routines
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std::string GetError( void );
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bool GetFilePosData( size_t& line, size_t& column );
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std::string GetFilePosition() const;
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std::string GetFileName( void );
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// eatSpace discards all leading white space from the current m_linepos
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// and continues until a non-empty line is found which contains non-blank
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// characters
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bool EatSpace( void );
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// Peek returns the next non-white char in the file or '\0' on failure
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char Peek( void );
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// Pop removes the current char from the buffer
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void Pop( void );
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// read up to the next whitespace or comma
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bool ReadGlob( std::string& aGlob );
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// read a VRML name; is similar to ReadGlob except that it enforces
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// name checking rules, does not allow a comma at the end, and
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// stops when a left/right brace or bracket is found.
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bool ReadName( std::string& aName );
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bool DiscardNode( void ); // discard node data in a matched '{}' set
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bool DiscardList( void ); // discard list data in a matched '[]' set
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// single variable readers
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bool ReadString( std::string& aSFString ); // read a VRML string
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bool ReadSFBool( bool& aSFBool );
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bool ReadSFColor( WRLVEC3F& aSFColor );
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bool ReadSFFloat( float& aSFFloat );
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bool ReadSFInt( int& aSFInt32 );
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bool ReadSFRotation( WRLROTATION& aSFRotation );
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bool ReadSFVec2f( WRLVEC2F& aSFVec2f );
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bool ReadSFVec3f( WRLVEC3F& aSFVec3f );
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// array readers
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bool ReadMFString( std::vector< std::string >& aMFString );
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bool ReadMFColor( std::vector< WRLVEC3F >& aMFColor );
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bool ReadMFFloat( std::vector< float >& aMFFloat );
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bool ReadMFInt( std::vector< int >& aMFInt32 );
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bool ReadMFRotation( std::vector< WRLROTATION >& aMFRotation );
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bool ReadMFVec2f( std::vector< WRLVEC2F >& aMFVec2f );
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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
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// it checks for invalid characters (bit 8 set). If m_buf is not empty and
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// not completely parsed the function returns 'true'. The file position
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// parameters are updated as appropriate.
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bool getRawLine( void );
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private:
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LINE_READER* m_file;
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std::string m_buf; // string being parsed
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bool m_eof;
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unsigned int m_fileline;
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unsigned int m_bufpos;
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WRLVERSION m_fileVersion; // VRML file version
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std::string m_error; // error message
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std::string m_badchars; // characters forbidden in VRML{1|2} names
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std::string m_filename; // current file
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std::string m_filedir; // parent directory of the file
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};
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#endif // WRLPROC_H
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