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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
// 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:
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; }
virtual Arabica::XPath::XPathValue_impl<std::string>* evaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
protected:
virtual std::string doEvaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
{
// This is a minimal, but I think conformant, implementation
return new Arabica::XPath::StringValue<std::string>("");
return "";
} // evaluate
}; // UnparsedEntityUri
// 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:
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; }
virtual Arabica::XPath::XPathValue_impl<std::string>* evaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
protected:
virtual std::string doEvaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
{
DOM::Node<std::string> node;
if(baseT::argCount() == 0)
@ -193,39 +188,37 @@ public:
{
Arabica::XPath::NodeSet<std::string> ns = baseT::argAsNodeSet(0, context, executionContext);
if(ns.size() == 0)
return new Arabica::XPath::StringValue<std::string>("");
return "";
node = ns.top();
} // if ...
std::ostringstream os;
os << node.underlying_impl();
return new Arabica::XPath::StringValue<std::string>(os.str());
} //evaluate
return os.str();
} // doEvaluate
}; // class GenerateIdFunction
// 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:
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; }
virtual Arabica::XPath::XPathValue_impl<std::string>* evaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
protected:
virtual std::string doEvaluate(const DOM::Node<std::string>& context,
const Arabica::XPath::ExecutionContext<std::string>& executionContext) const
{
std::string property = baseT::argAsString(0, context, executionContext);
std::string result;
if(property == "xsl:version")
result = "1.0";
else if(property == "xsl:vendor")
result = "Jez Higgins, Jez UK Ltd";
return "1.0";
if(property == "xsl:vendor")
return "Jez Higgins, Jez UK Ltd";
else if(property == "xsl:vendor-url")
result = "http://www.jezuk.co.uk/arabica";
return new Arabica::XPath::StringValue<std::string>(result);
return "http://www.jezuk.co.uk/arabica";
return "";
} // evaluate
}; // SystemPropertyFunction