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split xpath_expression.hpp out from xpath_object.hpp

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jez_higgins 2005-08-16 11:40:56 +00:00
parent 4014643f71
commit 1249293bdc
4 changed files with 88 additions and 69 deletions
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86
XPath/impl/xpath_expression.hpp Normal file
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@ -0,0 +1,86 @@
#ifndef ARABICA_XPATHIC_XPATH_EXPRESSION_H
#define ARABICA_XPATHIC_XPATH_EXPRESSION_H
#include <string>
#include <DOM/Node.h>
#include "xpath_object.hpp"
#include "xpath_execution_context.hpp"
namespace Arabica
{
namespace XPath
{
class XPathExpression
{
protected:
XPathExpression() { }
public:
virtual ~XPathExpression() { }
XPathValuePtr evaluate(const DOM::Node<std::string>& context) const
{
ExecutionContext executionContext;
return evaluate(context, executionContext);
} // evaluate
virtual bool evaluateAsBool(const DOM::Node<std::string>& context) const { return evaluate(context)->asBool(); }
virtual double evaluateAsNumber(const DOM::Node<std::string>& context) const { return evaluate(context)->asNumber(); }
virtual std::string evaluateAsString(const DOM::Node<std::string>& context) const { return evaluate(context)->asString(); }
virtual NodeSet evaluateAsNodeSet(const DOM::Node<std::string>& context) const { return evaluate(context)->asNodeSet(); }
virtual XPathValuePtr evaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext& executionContext) const = 0;
private:
XPathExpression(const XPathExpression&);
bool operator==(const XPathExpression&);
XPathExpression& operator=(const XPathExpression&);
}; // class XPathExpression
typedef boost::shared_ptr<XPathExpression> XPathExpressionPtr;
class UnaryExpression
{
public:
UnaryExpression(XPathExpression* expr) :
expr_(expr) { }
protected:
~UnaryExpression()
{
delete expr_;
} // ~UnaryExpression
XPathExpression* expr() const { return expr_; }
private:
XPathExpression* expr_;
}; // class UnaryExpression
class BinaryExpression
{
public:
BinaryExpression(XPathExpression* lhs, XPathExpression* rhs) :
lhs_(lhs), rhs_(rhs) { }
protected:
~BinaryExpression()
{
delete lhs_;
delete rhs_;
} // ~BinaryExpression
XPathExpression* lhs() const { return lhs_; }
XPathExpression* rhs() const { return rhs_; }
private:
XPathExpression* lhs_;
XPathExpression* rhs_;
}; // class BinaryExpression
} // namespace XPath
} // namespace Arabica
#endif

69
XPath/impl/xpath_object.hpp
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@ -7,7 +7,6 @@
#include <DOM/Node.h>
#include <boost/shared_ptr.hpp>
#include <cmath>
#include "xpath_execution_context.hpp"
namespace Arabica
{
@ -154,74 +153,6 @@ bool isLessThanEquals(const XPathValuePtr& lhs, const XPathValuePtr& rhs);
bool isGreaterThan(const XPathValuePtr& lhs, const XPathValuePtr& rhs);
bool isGreaterThanEquals(const XPathValuePtr& lhs, const XPathValuePtr& rhs);
class XPathExpression
{
protected:
XPathExpression() { }
public:
virtual ~XPathExpression() { }
XPathValuePtr evaluate(const DOM::Node<std::string>& context) const
{
ExecutionContext executionContext;
return evaluate(context, executionContext);
} // evaluate
virtual bool evaluateAsBool(const DOM::Node<std::string>& context) const { return evaluate(context)->asBool(); }
virtual double evaluateAsNumber(const DOM::Node<std::string>& context) const { return evaluate(context)->asNumber(); }
virtual std::string evaluateAsString(const DOM::Node<std::string>& context) const { return evaluate(context)->asString(); }
virtual NodeSet evaluateAsNodeSet(const DOM::Node<std::string>& context) const { return evaluate(context)->asNodeSet(); }
virtual XPathValuePtr evaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext& executionContext) const = 0;
private:
XPathExpression(const XPathExpression&);
bool operator==(const XPathExpression&);
XPathExpression& operator=(const XPathExpression&);
}; // class XPathExpression
class UnaryExpression
{
public:
UnaryExpression(XPathExpression* expr) :
expr_(expr) { }
protected:
~UnaryExpression()
{
delete expr_;
} // ~UnaryExpression
XPathExpression* expr() const { return expr_; }
private:
XPathExpression* expr_;
}; // class UnaryExpression
class BinaryExpression
{
public:
BinaryExpression(XPathExpression* lhs, XPathExpression* rhs) :
lhs_(lhs), rhs_(rhs) { }
protected:
~BinaryExpression()
{
delete lhs_;
delete rhs_;
} // ~BinaryExpression
XPathExpression* lhs() const { return lhs_; }
XPathExpression* rhs() const { return rhs_; }
private:
XPathExpression* lhs_;
XPathExpression* rhs_;
}; // class BinaryExpression
} // namespace XPath
} // namespace Arabica

1
XPath/impl/xpath_parser.hpp
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@ -10,6 +10,7 @@
#include "xpath_grammar.hpp"
#include "xpath_namespace_context.hpp"
#include "xpath_function_resolver.hpp"
#include "xpath_variable_resolver.hpp"
#include "xpath_resolver_holder.hpp"
namespace Arabica

1
XPath/impl/xpath_value.hpp
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@ -6,6 +6,7 @@
#include <boost/lexical_cast.hpp>
#include <vector>
#include "xpath_object.hpp"
#include "xpath_expression.hpp"
namespace Arabica
{