DSLReader_tpl.h

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/****************************************************************************
 *   This file is part of the aGrUM/pyAgrum library.                        *
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 *   Copyright (c) 2005-2025 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *   SPDX-FileCopyrightText: Copyright 2005-2025                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *   SPDX-License-Identifier: LGPL-3.0-or-later OR MIT                      *
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 *   Contact  : info_at_agrum_dot_org                                       *
 *   homepage : http://agrum.gitlab.io                                      *
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#pragma once
 
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#  include <agrum/BN/io/DSL/DSLReader.h>
 
namespace gum {
 
  template < typename GUM_SCALAR >
  DSLReader< GUM_SCALAR >::DSLReader(BayesNet< GUM_SCALAR >* bn, const std::string& filename) :
      BNReader< GUM_SCALAR >(bn, filename) {
    GUM_CONSTRUCTOR(DSLReader);
    _bn_         = bn;
    _streamName_ = filename;
    _parseDone_  = false;
 
    _factory_ = new BayesNetFactory< GUM_SCALAR >(_bn_);
 
    _ioerror_ = false;
 
    try {
      _scanner_ = new DSL::Scanner(_streamName_.c_str());
      _parser_  = new DSL::Parser(_scanner_);
      _parser_->setFactory((IBayesNetFactory*)_factory_);
    } catch (IOError const&) { _ioerror_ = true; }
  }
 
  template < typename GUM_SCALAR >
  DSLReader< GUM_SCALAR >::~DSLReader() {
    GUM_DESTRUCTOR(DSLReader);
 
    if (!_ioerror_) {
      // this could lead to memory leak !!
      if (_parser_) delete (_parser_);
 
      if (_scanner_) delete (_scanner_);
    }
 
    if (_factory_) delete (_factory_);
  }
 
  template < typename GUM_SCALAR >
  INLINE DSL::Scanner& DSLReader< GUM_SCALAR >::scanner() {
    if (_ioerror_) { GUM_ERROR(gum::IOError, "No such file " + streamName()) }
 
    return *_scanner_;
  }
 
  template < typename GUM_SCALAR >
  INLINE const std::string& DSLReader< GUM_SCALAR >::streamName() const {
    return _streamName_;
  }
 
  template < typename GUM_SCALAR >
  INLINE bool DSLReader< GUM_SCALAR >::trace() const {
    return _traceScanning_;
  }
 
  template < typename GUM_SCALAR >
  INLINE void DSLReader< GUM_SCALAR >::trace(bool b) {
    _traceScanning_ = b;
    scanner().setTrace(b);
  }
 
  template < typename GUM_SCALAR >
  Size DSLReader< GUM_SCALAR >::proceed() {
    if (_ioerror_) { GUM_ERROR(gum::IOError, "No such file " + streamName()) }
 
    if (!_parseDone_) {
      try {
        _parseDone_ = true;
        _parser_->Parse();
      } catch (gum::Exception& e) {
        GUM_SHOWERROR(e);
        return 1 + _parser_->errors().error_count;
      }
    }
 
    return (_parser_->errors().error_count);
  }

  template < typename GUM_SCALAR >
  INLINE Idx DSLReader< GUM_SCALAR >::errLine(Idx i) {
    if (_parseDone_) return _parser_->errors().error(i).line;
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE Idx DSLReader< GUM_SCALAR >::errCol(Idx i) {
    if (_parseDone_) return _parser_->errors().error(i).column;
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE bool DSLReader< GUM_SCALAR >::errIsError(Idx i) {
    if (_parseDone_) return _parser_->errors().error(i).is_error;
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE std::string DSLReader< GUM_SCALAR >::errMsg(Idx i) {
    if (_parseDone_) return _parser_->errors().error(i).msg;
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE void DSLReader< GUM_SCALAR >::showElegantErrors(std::ostream& o) {
    if (_parseDone_) _parser_->errors().elegantErrors(o);
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE void DSLReader< GUM_SCALAR >::showElegantErrorsAndWarnings(std::ostream& o) {
    if (_parseDone_) _parser_->errors().elegantErrorsAndWarnings(o);
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE void DSLReader< GUM_SCALAR >::showErrorsAndWarnings(std::ostream& o) {
    if (_parseDone_) _parser_->errors().simpleErrorsAndWarnings(o);
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE void DSLReader< GUM_SCALAR >::showErrorCounts(std::ostream& o) {
    if (_parseDone_) _parser_->errors().syntheticResults(o);
    else { GUM_ERROR(OperationNotAllowed, "DSL file not parsed yet") }
  }
 
  template < typename GUM_SCALAR >
  INLINE Size DSLReader< GUM_SCALAR >::errors() {
    return (!_parseDone_) ? (Size)0 : _parser_->errors().error_count;
  }
 
  template < typename GUM_SCALAR >
  INLINE Size DSLReader< GUM_SCALAR >::warnings() {
    return (!_parseDone_) ? (Size)0 : _parser_->errors().warning_count;
  }

}   // namespace gum
 
#endif   // DOXYGEN_SHOULD_SKIP_THIS