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39 | |
40 | #include "qforclause_p.h" |
41 | #include "qfunctionfactory_p.h" |
42 | #include "qrangevariablereference_p.h" |
43 | |
44 | #include "qdocumentfn_p.h" |
45 | |
46 | QT_BEGIN_NAMESPACE |
47 | |
48 | using namespace QPatternist; |
49 | |
50 | Expression::Ptr DocumentFN::typeCheck(const StaticContext::Ptr &context, |
51 | const SequenceType::Ptr &reqType) |
52 | { |
53 | /* See the class documentation for the rewrite that we're doing here. */ |
54 | |
55 | /* Generate type checking code for our operands such that they match. */ |
56 | typeCheckOperands(context); |
57 | |
58 | const QSourceLocation myLocation(context->locationFor(reflection: this)); |
59 | const FunctionFactory::Ptr functions(context->functionSignatures()); |
60 | |
61 | Expression::Ptr uriSource; |
62 | |
63 | { |
64 | Expression::List distinctValuesArgs; |
65 | distinctValuesArgs.append(t: m_operands.first()); |
66 | |
67 | uriSource = functions->createFunctionCall(name: QXmlName(StandardNamespaces::fn, StandardLocalNames::distinct_values), |
68 | arguments: distinctValuesArgs, |
69 | context, |
70 | r: this); |
71 | context->addLocation(reflection: uriSource.data(), location: myLocation); |
72 | } |
73 | |
74 | const VariableSlotID rangeSlot = context->allocateRangeSlot(); |
75 | const Expression::Ptr uriReference(new RangeVariableReference(uriSource, rangeSlot)); |
76 | context->addLocation(reflection: uriReference.data(), location: myLocation); |
77 | |
78 | Expression::List docArgs; |
79 | |
80 | if(m_operands.count() == 2) |
81 | { |
82 | Expression::List baseUriArgs; |
83 | baseUriArgs.append(t: uriReference); |
84 | baseUriArgs.append(t: m_operands.at(i: 1)); |
85 | |
86 | const Expression::Ptr fnBaseUri(functions->createFunctionCall(name: QXmlName(StandardNamespaces::fn, StandardLocalNames::resolve_uri), |
87 | arguments: baseUriArgs, |
88 | context, |
89 | r: this)); |
90 | context->addLocation(reflection: fnBaseUri.data(), location: myLocation); |
91 | docArgs.append(t: fnBaseUri); |
92 | } |
93 | else |
94 | docArgs.append(t: uriReference); |
95 | |
96 | const Expression::Ptr fnDoc(functions->createFunctionCall(name: QXmlName(StandardNamespaces::fn, StandardLocalNames::doc), |
97 | arguments: docArgs, |
98 | context, |
99 | r: this)); |
100 | context->addLocation(reflection: fnDoc.data(), location: myLocation); |
101 | |
102 | |
103 | Expression::Ptr newMe(new ForClause(rangeSlot, |
104 | uriSource, |
105 | fnDoc, |
106 | -1 /* We have no position variable. */)); |
107 | |
108 | Expression::Ptr oldMe(this); |
109 | rewrite(old&: oldMe, New: newMe, context); |
110 | return newMe->typeCheck(context, reqType); |
111 | } |
112 | |
113 | QT_END_NAMESPACE |
114 | |