88706cfaa5
* Add BPackageInfo::ParseResolvableExpressionString(). * Add BPackageResolvableExpression constructor and SetTo() taking an expression string.
89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/*
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* Copyright 2011, Haiku, Inc.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _PACKAGE__PACKAGE_RESOLVABLE_EXPRESSION_H_
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#define _PACKAGE__PACKAGE_RESOLVABLE_EXPRESSION_H_
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#include <String.h>
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#include <package/PackageResolvableOperator.h>
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#include <package/PackageVersion.h>
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namespace BPackageKit {
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namespace BHPKG {
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class BPackageResolvableExpressionData;
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}
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using BHPKG::BPackageResolvableExpressionData;
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class BPackageResolvable;
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/*
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* Expresses a constraint on a specific resolvable, either just a name
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* or a name plus a relational operator and a version.
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* Instances of these will be matched against all the BPackageResolvable(s)
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* of individual packages in order to solve a package management request.
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*
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* resolvable-expression ::= <name>[<op><version>]
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* op ::= '<' | '<=' | '==' | '>=' | '>'
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*
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* String examples:
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* haiku==r1
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* lib:libssl==0.9.8
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* subversion>=1.5
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* cmd:svn
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*/
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class BPackageResolvableExpression {
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public:
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BPackageResolvableExpression();
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BPackageResolvableExpression(
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const BPackageResolvableExpressionData& data
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);
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explicit BPackageResolvableExpression(
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const BString& expressionString);
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BPackageResolvableExpression(
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const BString& name,
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BPackageResolvableOperator _operator,
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const BPackageVersion& version);
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status_t InitCheck() const;
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const BString& Name() const;
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BPackageResolvableOperator Operator() const;
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const BPackageVersion& Version() const;
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BString ToString() const;
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status_t SetTo(const BString& expressionString);
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void SetTo(const BString& name,
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BPackageResolvableOperator _operator,
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const BPackageVersion& version);
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void Clear();
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bool Matches(const BPackageVersion& version,
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const BPackageVersion& compatibleVersion)
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const;
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bool Matches(const BPackageResolvable& provides)
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const;
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public:
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static const char* kOperatorNames[];
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private:
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BString fName;
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BPackageResolvableOperator fOperator;
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BPackageVersion fVersion;
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};
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} // namespace BPackageKit
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#endif // _PACKAGE__PACKAGE_RESOLVABLE_EXPRESSION_H_
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