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/*=========================================================================
Program: ORFEO Toolbox
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Centre National d'Etudes Spatiales. All rights reserved.
See OTBCopyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef otbWrapperCommandLineParser_h
#define otbWrapperCommandLineParser_h
#include "itkObjectFactory.h"
namespace otb
{
namespace Wrapper
{
/** \class CommandLineParser
* \brief This class check the validity of a command line application.
*
* To be valid, the expression must be as follow:
* ModuleName (ModulePaths) --attribut1_Key attrubut1_Value --attribut2_Key attrubut2_Value
* After the attribut key, if the user give several values (expression without \"--\" separated by space), it will automacally be interpreted as a list.
*
* \ingroup OTBCommandLine
*/
class ITK_ABI_EXPORT CommandLineParser : public itk::Object
{
public:
/** Standard class typedefs. */
typedef CommandLineParser Self;
typedef itk::Object Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Defining ::New() static method */
itkNewMacro(Self);
/** RTTI support */
itkTypeMacro(CommandLineParser, itk::Object);
/** Parse result enum */
typedef enum { OK, NOMODULENAME, MULTIPLEMODULENAME, INVALIDMODULENAME,
NOMODULEPATH, INVALIDMODULEPATH, DEFAULT} ParseResultType;
/** Get the attribut associatd to a key (list of element after the key and before the next "--") as a vector of string. */
std::vector<std::string> GetAttribut( const std::string & key, const std::string & exp );
std::vector<std::string> GetAttribut( const std::string & key, const std::vector<std::string> & exp );
/** Get the attribut associatd to a key (list of element after the key and before the next "--") as a string separated by spaces. */
std::string GetAttributAsString( const std::string & key, const std::string & exp );
std::string GetAttributAsString( const std::string & key, const std::vector<std::string> & exp );
/** Look if a given key is in an expression. */
bool IsAttributExists(const std::string key, const std::string & exp );
bool IsAttributExists(const std::string key, const std::vector<std::string> & exp);
/** Get the paths executables in an expression. Store the list in a vector of string. */
CommandLineParser::ParseResultType GetPaths( std::vector<std::string> & paths, const std::string & exp );
CommandLineParser::ParseResultType GetPaths( std::vector<std::string> & paths, const std::vector<std::string> & exp );
/** Get the paths executables in an expression. Store the list in a vector of string. */
std::string GetPathsAsString( const std::string & exp );
std::string GetPathsAsString( const std::vector<std::string> & vexp );
/** Get the module name in an expression. It can be the first element of the expression (if the expression doesn't start with a "--" or the attribut associated to the key m_ModuleNameKey). */
CommandLineParser::ParseResultType GetModuleName( std::string & modName, const std::string & exp );
CommandLineParser::ParseResultType GetModuleName( std::string & modName, const std::vector<std::string> & exp );
/** Get the list of keys in an expression. That is to say each word starting by "--". */
std::vector<std::string> GetKeyList( const std::string & exp );
std::vector<std::string> GetKeyList( const std::vector<std::string> & exp);
protected:
/** Constructor */
CommandLineParser();
/** Destructor */
~CommandLineParser() ITK_OVERRIDE;
private:
CommandLineParser(const CommandLineParser &); //purposely not implemented
void operator =(const CommandLineParser&); //purposely not implemented
/** Return true if the found key is valid : not a number */
bool IsAValidKey( const std::string & foundKey );
}; //end class
} // end namespace Wrapper
} //end namespace otb
#endif // otbWrapperCommandLineParser_h_
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