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moved string functions to use StringXPathFunction base class

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This commit is contained in:
jez 2009-07-13 09:13:50 +01:00
parent bbcae98bec
commit 428121bab4
1 changed files with 26 additions and 33 deletions
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59
include/XSLT/impl/xslt_functions.hpp
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@ -154,37 +154,32 @@ public:
}; // CurrentFunction }; // CurrentFunction
// string unparsed-entity-uri(string) // string unparsed-entity-uri(string)
class UnparsedEntityUriFunction : public Arabica::XPath::XPathFunction<std::string> class UnparsedEntityUriFunction : public Arabica::XPath::StringXPathFunction<std::string>
{ {
typedef Arabica::XPath::XPathFunction<std::string> baseT;
public: public:
UnparsedEntityUriFunction(const std::vector<Arabica::XPath::XPathExpression<std::string> >& args) : UnparsedEntityUriFunction(const std::vector<Arabica::XPath::XPathExpression<std::string> >& args) :
Arabica::XPath::XPathFunction<std::string>(1, 1, args) { } Arabica::XPath::StringXPathFunction<std::string>(1, 1, args) { }
virtual Arabica::XPath::ValueType type() const { return Arabica::XPath::STRING; } protected:
virtual std::string doEvaluate(const DOM::Node<std::string>& context,
virtual Arabica::XPath::XPathValue_impl<std::string>* evaluate(const DOM::Node<std::string>& context, const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
{ {
// This is a minimal, but I think conformant, implementation // This is a minimal, but I think conformant, implementation
return new Arabica::XPath::StringValue<std::string>(""); return "";
} // evaluate } // evaluate
}; // UnparsedEntityUri }; // UnparsedEntityUri
// string generate-id(node-set?) // string generate-id(node-set?)
class GenerateIdFunction : public Arabica::XPath::XPathFunction<std::string> class GenerateIdFunction : public Arabica::XPath::StringXPathFunction<std::string>
{ {
typedef Arabica::XPath::XPathFunction<std::string> baseT; typedef Arabica::XPath::StringXPathFunction<std::string> baseT;
public: public:
GenerateIdFunction(const std::vector<Arabica::XPath::XPathExpression<std::string> >& args) : GenerateIdFunction(const std::vector<Arabica::XPath::XPathExpression<std::string> >& args) :
Arabica::XPath::XPathFunction<std::string>(0, 1, args) { } Arabica::XPath::StringXPathFunction<std::string>(0, 1, args) { }
virtual Arabica::XPath::ValueType type() const { return Arabica::XPath::STRING; } protected:
virtual std::string doEvaluate(const DOM::Node<std::string>& context,
virtual Arabica::XPath::XPathValue_impl<std::string>* evaluate(const DOM::Node<std::string>& context, const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
{ {
DOM::Node<std::string> node; DOM::Node<std::string> node;
if(baseT::argCount() == 0) if(baseT::argCount() == 0)
@ -193,39 +188,37 @@ public:
{ {
Arabica::XPath::NodeSet<std::string> ns = baseT::argAsNodeSet(0, context, executionContext); Arabica::XPath::NodeSet<std::string> ns = baseT::argAsNodeSet(0, context, executionContext);
if(ns.size() == 0) if(ns.size() == 0)
return new Arabica::XPath::StringValue<std::string>(""); return "";
node = ns.top(); node = ns.top();
} // if ... } // if ...
std::ostringstream os; std::ostringstream os;
os << node.underlying_impl(); os << node.underlying_impl();
return new Arabica::XPath::StringValue<std::string>(os.str()); return os.str();
} //evaluate } // doEvaluate
}; // class GenerateIdFunction }; // class GenerateIdFunction
// object system-property(string) // object system-property(string)
class SystemPropertyFunction : public Arabica::XPath::XPathFunction<std::string> class SystemPropertyFunction : public Arabica::XPath::StringXPathFunction<std::string>
{ {
typedef Arabica::XPath::XPathFunction<std::string> baseT; typedef Arabica::XPath::StringXPathFunction<std::string> baseT;
public: public:
SystemPropertyFunction (const std::vector<Arabica::XPath::XPathExpression<std::string> >& args) : SystemPropertyFunction (const std::vector<Arabica::XPath::XPathExpression<std::string> >& args) :
Arabica::XPath::XPathFunction<std::string>(1, 1, args) { } Arabica::XPath::StringXPathFunction<std::string>(1, 1, args) { }
virtual Arabica::XPath::ValueType type() const { return Arabica::XPath::STRING; } protected:
virtual std::string doEvaluate(const DOM::Node<std::string>& context,
virtual Arabica::XPath::XPathValue_impl<std::string>* evaluate(const DOM::Node<std::string>& context, const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
{ {
std::string property = baseT::argAsString(0, context, executionContext); std::string property = baseT::argAsString(0, context, executionContext);
std::string result; std::string result;
if(property == "xsl:version") if(property == "xsl:version")
result = "1.0"; return "1.0";
else if(property == "xsl:vendor") if(property == "xsl:vendor")
result = "Jez Higgins, Jez UK Ltd"; return "Jez Higgins, Jez UK Ltd";
else if(property == "xsl:vendor-url") else if(property == "xsl:vendor-url")
result = "http://www.jezuk.co.uk/arabica"; return "http://www.jezuk.co.uk/arabica";
return new Arabica::XPath::StringValue<std::string>(result); return "";
} // evaluate } // evaluate
}; // SystemPropertyFunction }; // SystemPropertyFunction