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22 * NumberOfAttributeValuesFunctor.cpp
24 * A match function that evaluates to true if the given attribute has as a number
25 * of values that falls between the minimum and maximum.
29 #include "exceptions.h"
30 #include "attribute/Attribute.h"
31 #include "attribute/filtering/FilteringContext.h"
32 #include "attribute/filtering/FilterPolicyContext.h"
33 #include "attribute/filtering/MatchFunctor.h"
35 #include <xmltooling/util/XMLHelper.h>
37 using namespace shibsp;
39 using xmltooling::XMLHelper;
43 static const XMLCh attributeID[] = UNICODE_LITERAL_11(a,t,t,r,i,b,u,t,e,I,D);
44 static const XMLCh maximum[] = UNICODE_LITERAL_7(m,a,x,i,m,u,m);
45 static const XMLCh minimum[] = UNICODE_LITERAL_7(m,i,n,i,m,u,m);
48 * A match function that evaluates to true if the given attribute has as a number
49 * of values that falls between the minimum and maximum.
51 class SHIBSP_DLLLOCAL NumberOfAttributeValuesFunctor : public MatchFunctor
53 unsigned int m_min,m_max;
56 size_t count(const FilteringContext& filterContext) const;
59 NumberOfAttributeValuesFunctor(const DOMElement* e)
60 : m_min(XMLHelper::getAttrInt(e, 0, minimum)),
61 m_max(XMLHelper::getAttrInt(e, INT_MAX, maximum)),
62 m_attributeID(XMLHelper::getAttrString(e, nullptr, attributeID)) {
63 if (m_attributeID.empty())
64 throw ConfigurationException("No attributeID specified.");
67 bool evaluatePolicyRequirement(const FilteringContext& filterContext) const {
68 size_t c = count(filterContext);
69 return (m_min <= c && c <= m_max);
72 bool evaluatePermitValue(const FilteringContext& filterContext, const Attribute& attribute, size_t index) const {
73 size_t c = count(filterContext);
74 return (m_min <= c && c <= m_max);
78 MatchFunctor* SHIBSP_DLLLOCAL NumberOfAttributeValuesFactory(const std::pair<const FilterPolicyContext*,const DOMElement*>& p)
80 return new NumberOfAttributeValuesFunctor(p.second);
85 size_t NumberOfAttributeValuesFunctor::count(const FilteringContext& filterContext) const
88 pair<multimap<string,Attribute*>::const_iterator,multimap<string,Attribute*>::const_iterator> attrs =
89 filterContext.getAttributes().equal_range(m_attributeID);
90 for (; attrs.first != attrs.second; ++attrs.first)
91 count += attrs.first->second->valueCount();