DirNameParameter.cpp

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#include "IECore/DirNameParameter.h"

#include "IECore/CompoundObject.h"

#include "boost/algorithm/string/classification.hpp"
#include "boost/algorithm/string/split.hpp"
#if BOOST_VERSION >= 108500
#include <boost/filesystem/path.hpp>
#else
#include <boost/filesystem/convenience.hpp>
#endif
#include "boost/filesystem/operations.hpp"

#include <algorithm>

using namespace boost;
using namespace std;
using namespace IECore;

IE_CORE_DEFINERUNTIMETYPED( DirNameParameter );

DirNameParameter::DirNameParameter( const std::string &name, const std::string &description,
			const std::string &defaultValue, bool allowEmptyString,  PathParameter::CheckType check,
			const StringParameter::PresetsContainer &presets, bool presetsOnly, ConstCompoundObjectPtr userData )
	:	PathParameter( name, description, defaultValue, allowEmptyString, check, presets, presetsOnly, userData )
{
}

bool DirNameParameter::valueValid( const Object *value, std::string *reason ) const
{
	if (!PathParameter::valueValid( value, reason ) )
	{
		return false;
	}

	const StringData *s = static_cast<const StringData *>( value );

	// empty check
	if( s->readable()=="" )
	{
		// if empty strings are allowed and we have one then we should
		// skip the other checks
		return true;
	}

	// dir type check
	if( boost::filesystem::exists(boost::filesystem::path(s->readable())) &&
		 !boost::filesystem::is_directory(boost::filesystem::path(s->readable())))
	{
		if( reason )
		{
			*reason = "\"" + s->readable() + "\" is not a directory!";
		}
		return false;
	}
	return true;
}