* Copyright 2011, Haiku, Inc.
* Distributed under the terms of the MIT License.
*/
#ifndef _PACKAGE__PACKAGE_RESOLVABLE_EXPRESSION_H_
#define _PACKAGE__PACKAGE_RESOLVABLE_EXPRESSION_H_
#include <String.h>
#include <package/PackageResolvableOperator.h>
#include <package/PackageVersion.h>
namespace BPackageKit {
namespace BHPKG {
struct BPackageResolvableExpressionData;
}
using BHPKG::BPackageResolvableExpressionData;
class BPackageResolvable;
* Expresses a constraint on a specific resolvable, either just a name
* or a name plus a relational operator and a version.
* Instances of these will be matched against all the BPackageResolvable(s)
* of individual packages in order to solve a package management request.
*
* resolvable-expression ::= <name>[<op><version>]
* op ::= '<' | '<=' | '==' | '>=' | '>'
*
* String examples:
* haiku==r1
* lib:libssl==0.9.8
* subversion>=1.5
* cmd:svn
*/
class BPackageResolvableExpression {
public:
BPackageResolvableExpression();
BPackageResolvableExpression(
const BPackageResolvableExpressionData& data
);
explicit BPackageResolvableExpression(
const BString& expressionString);
BPackageResolvableExpression(
const BString& name,
BPackageResolvableOperator _operator,
const BPackageVersion& version);
status_t InitCheck() const;
const BString& Name() const;
BPackageResolvableOperator Operator() const;
const BPackageVersion& Version() const;
BString ToString() const;
status_t SetTo(const BString& expressionString);
void SetTo(const BString& name,
BPackageResolvableOperator _operator,
const BPackageVersion& version);
void Clear();
bool Matches(const BPackageVersion& version,
const BPackageVersion& compatibleVersion)
const;
bool Matches(const BPackageResolvable& provides)
const;
public:
static const char* kOperatorNames[];
private:
BString fName;
BPackageResolvableOperator fOperator;
BPackageVersion fVersion;
};
}
#endif
