import_export::ExpressionParser Class Reference

#include <ExpressionParser.h>

Classes
struct	ParserDeleter

Public Member Functions
	ExpressionParser ()
void	setExpression (const std::string &expression)
void	setStringConstant (const std::string &name, const std::string &value)
void	setIntConstant (const std::string &name, const int value)
std::string	evalAsString ()
int	evalAsInt ()
double	evalAsDouble ()
bool	evalAsBool ()

Private Attributes
std::unique_ptr< mup::ParserX, ParserDeleter >	parser_

Detailed Description

Definition at line 34 of file ExpressionParser.h.

Constructor & Destructor Documentation

import_export::ExpressionParser::ExpressionParser

(

)

Definition at line 357 of file ExpressionParser.cpp.

    : parser_{new mup::ParserX(mup::pckCOMMON | mup::pckUNIT | mup::pckNON_COMPLEX |
                               mup::pckSTRING)} {
  // custom operators and functions
  parser_->DefineFun(new Function_substr());
  parser_->DefineFun(new Function_regex_match());
  parser_->DefineFun(new Function_split_part());
  parser_->DefineFun(new Function_int());
  parser_->DefineFun(new Function_float());
  parser_->DefineFun(new Function_double());
  parser_->DefineFun(new Function_str());
  parser_->DefineFun(new Function_bool());
  parser_->DefineInfixOprt(new Operator_not());
}

Member Function Documentation

bool import_export::ExpressionParser::evalAsBool

(

)

Definition at line 409 of file ExpressionParser.cpp.

References import_export::anonymous_namespace{ExpressionParser.cpp}::evaluate(), parser_, and run_benchmark_import::result.

                                  {
  auto result = evaluate(parser_.get());
  if (result.GetType() != 'b') {
    throw std::runtime_error("Expression is not a boolean");
  }
  return result.GetBool();
}

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double import_export::ExpressionParser::evalAsDouble

(

)

Definition at line 401 of file ExpressionParser.cpp.

References import_export::anonymous_namespace{ExpressionParser.cpp}::evaluate(), parser_, and run_benchmark_import::result.

                                      {
  auto result = evaluate(parser_.get());
  if (result.GetType() != 'f') {
    throw std::runtime_error("Expression is not a float/double");
  }
  return static_cast<double>(result.GetFloat());
}

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int import_export::ExpressionParser::evalAsInt

(

)

Definition at line 393 of file ExpressionParser.cpp.

References import_export::anonymous_namespace{ExpressionParser.cpp}::evaluate(), parser_, and run_benchmark_import::result.

                                {
  auto result = evaluate(parser_.get());
  if (result.GetType() != 'i') {
    throw std::runtime_error("Expression is not an int");
  }
  return static_cast<int>(result.GetInteger());
}

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std::string import_export::ExpressionParser::evalAsString

(

)

Definition at line 385 of file ExpressionParser.cpp.

References import_export::anonymous_namespace{ExpressionParser.cpp}::evaluate(), import_export::anonymous_namespace{ExpressionParser.cpp}::ms_to_ss(), parser_, and run_benchmark_import::result.

Referenced by import_export::parse_add_metadata_columns().

                                         {
  auto result = evaluate(parser_.get());
  if (result.GetType() != 's') {
    throw std::runtime_error("Expression is not a string");
  }
  return ms_to_ss(result.GetString());
}

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void import_export::ExpressionParser::setExpression

(

const std::string &

expression

)

Definition at line 381 of file ExpressionParser.cpp.

References parser_, and import_export::anonymous_namespace{ExpressionParser.cpp}::ss_to_ms().

Referenced by import_export::parse_add_metadata_columns().

                                                                {
  parser_->SetExpr(ss_to_ms(expression));
}

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void import_export::ExpressionParser::setIntConstant	(	const std::string &	name,
		const int	value
	)

Definition at line 377 of file ExpressionParser.cpp.

References parser_, and import_export::anonymous_namespace{ExpressionParser.cpp}::ss_to_ms().

                                                                            {
  parser_->DefineConst(ss_to_ms(name), static_cast<mup::int_type>(value));
}

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void import_export::ExpressionParser::setStringConstant	(	const std::string &	name,
		const std::string &	value
	)

Definition at line 372 of file ExpressionParser.cpp.

References parser_, and import_export::anonymous_namespace{ExpressionParser.cpp}::ss_to_ms().

Referenced by import_export::parse_add_metadata_columns().

                                                                 {
  parser_->DefineConst(ss_to_ms(name), ss_to_ms(value));
}

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Member Data Documentation

std::unique_ptr<mup::ParserX, ParserDeleter> import_export::ExpressionParser::parser_

private

Definition at line 52 of file ExpressionParser.h.

Referenced by evalAsBool(), evalAsDouble(), evalAsInt(), evalAsString(), setExpression(), setIntConstant(), and setStringConstant().

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The documentation for this class was generated from the following files:

• /home/jenkins-slave/workspace/core-os-doxygen/ImportExport/ExpressionParser.h
• /home/jenkins-slave/workspace/core-os-doxygen/ImportExport/ExpressionParser.cpp