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#include "iHaveParameters.h"
#include "exceptions.h"
#include "appEngine.h"
#include <boost/foreach.hpp>
IHaveParameters::Stack IHaveParameters::scope;
IHaveParameters::IHaveParameters(const xmlpp::Element * p)
{
BOOST_FOREACH(xmlpp::Node * node, p->find("parameters/param")) {
const xmlpp::Element * elem = dynamic_cast<const xmlpp::Element *>(node);
if (elem) {
ParameterPtr p = new Parameter(elem);
parameters[p->name] = p;
}
}
}
IHaveParameters::~IHaveParameters()
{
}
IHaveParameters::Parameter::Parameter(const xmlpp::Element * p) :
name(p->get_attribute_value("name")),
value(p, "value")
{
}
VariableType
IHaveParameters::getParameter(const Glib::ustring & name) const
{
Parameters::const_iterator i = parameters.find(name);
if (i != parameters.end()) {
return i->second->value;
}
throw ParamNotFound(name);
}
void
IHaveParameters::push(const IHaveParameters * p)
{
scope.push_back(p);
}
void
IHaveParameters::pop(const IHaveParameters * p)
{
assert(scope.back() == p);
scope.pop_back();
}
VariableType
IHaveParameters::getScopedParameter(const Glib::ustring & name)
{
for(Stack::const_reverse_iterator ihp = scope.rbegin(); ihp != scope.rend(); ihp++) {
Parameters::const_iterator i = (*ihp)->parameters.find(name);
if (i != (*ihp)->parameters.end()) {
return i->second->value;
}
}
throw ParamNotFound(name);
}
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