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#3215: XML parser returns item from different element in a array

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This commit is contained in:
Günter Obiltschnig
2021-06-15 08:52:58 +02:00
parent 6fda5b590b
commit 73ee047a37
3 changed files with 154 additions and 119 deletions
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2
XML/include/Poco/DOM/AbstractContainerNode.h
View File

@@ -53,7 +53,7 @@ protected:
void dispatchNodeRemovedFromDocument();
void dispatchNodeInsertedIntoDocument();
static const Node* findNode(XMLString::const_iterator& it, const XMLString::const_iterator& end, const Node* pNode, const NSMap* pNSMap);
static const Node* findNode(XMLString::const_iterator& it, const XMLString::const_iterator& end, const Node* pNode, const NSMap* pNSMap, bool& indexBound);
static const Node* findElement(const XMLString& name, const Node* pNode, const NSMap* pNSMap);
static const Node* findElement(int index, const Node* pNode, const NSMap* pNSMap);
static const Node* findElement(const XMLString& attr, const XMLString& value, const Node* pNode, const NSMap* pNSMap);

37
XML/src/AbstractContainerNode.cpp
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@@ -311,6 +311,7 @@ bool AbstractContainerNode::hasAttributes() const
Node* AbstractContainerNode::getNodeByPath(const XMLString& path) const
{
bool indexBound;
XMLString::const_iterator it = path.begin();
if (it != path.end() && *it == '/')
{
@@ -327,18 +328,19 @@ Node* AbstractContainerNode::getNodeByPath(const XMLString& path) const
for (unsigned long i = 0; i < length; i++)
{
XMLString::const_iterator beg = it;
const Node* pNode = findNode(beg, path.end(), pList->item(i), 0);
const Node* pNode = findNode(beg, path.end(), pList->item(i), 0, indexBound);
if (pNode) return const_cast<Node*>(pNode);
}
return 0;
}
}
return const_cast<Node*>(findNode(it, path.end(), this, 0));
return const_cast<Node*>(findNode(it, path.end(), this, 0, indexBound));
}
Node* AbstractContainerNode::getNodeByPathNS(const XMLString& path, const NSMap& nsMap) const
{
bool indexBound;
XMLString::const_iterator it = path.begin();
if (it != path.end() && *it == '/')
{
@@ -368,19 +370,20 @@ Node* AbstractContainerNode::getNodeByPathNS(const XMLString& path, const NSMap&
for (unsigned long i = 0; i < length; i++)
{
XMLString::const_iterator beg = it;
const Node* pNode = findNode(beg, path.end(), pList->item(i), &nsMap);
const Node* pNode = findNode(beg, path.end(), pList->item(i), &nsMap, indexBound);
if (pNode) return const_cast<Node*>(pNode);
}
}
return 0;
}
}
return const_cast<Node*>(findNode(it, path.end(), this, &nsMap));
return const_cast<Node*>(findNode(it, path.end(), this, &nsMap, indexBound));
}
const Node* AbstractContainerNode::findNode(XMLString::const_iterator& it, const XMLString::const_iterator& end, const Node* pNode, const NSMap* pNSMap)
const Node* AbstractContainerNode::findNode(XMLString::const_iterator& it, const XMLString::const_iterator& end, const Node* pNode, const NSMap* pNSMap, bool& indexBound)
{
indexBound = false;
if (pNode && it != end)
{
if (*it == '[')
@@ -406,7 +409,8 @@ const Node* AbstractContainerNode::findNode(XMLString::const_iterator& it, const
while (it != end && *it != ']') value += *it++;
}
if (it != end) ++it;
return findNode(it, end, findElement(attr, value, pNode, pNSMap), pNSMap);
bool ib;
return findNode(it, end, findElement(attr, value, pNode, pNSMap), pNSMap, ib);
}
else
{
@@ -416,17 +420,19 @@ const Node* AbstractContainerNode::findNode(XMLString::const_iterator& it, const
}
else
{
XMLString index;
while (it != end && *it != ']') index += *it++;
XMLString xmlIndex;
while (it != end && *it != ']') xmlIndex += *it++;
if (it != end) ++it;
#ifdef XML_UNICODE_WCHAR_T
std::string idx;
Poco::UnicodeConverter::convert(index, idx);
int i = Poco::NumberParser::parse(idx);
#else
std::string index;
Poco::UnicodeConverter::convert(xmlIndex, index);
int i = Poco::NumberParser::parse(index);
#else
int i = Poco::NumberParser::parse(xmlIndex);
#endif
return findNode(it, end, findElement(i, pNode, pNSMap), pNSMap);
indexBound = true;
bool ib;
return findNode(it, end, findElement(i, pNode, pNSMap), pNSMap, ib);
}
}
else
@@ -440,8 +446,9 @@ const Node* AbstractContainerNode::findNode(XMLString::const_iterator& it, const
const Node* pElem = findElement(key, pNode->firstChild(), pNSMap);
while (!pFound && pElem)
{
pFound = findNode(it, end, pElem, pNSMap);
if (!pFound) pElem = findElement(key, pElem->nextSibling(), pNSMap);
bool ib;
pFound = findNode(it, end, pElem, pNSMap, ib);
if (!pFound) pElem = ib ? nullptr : findElement(key, pElem->nextSibling(), pNSMap);
it = itStart;
}
return pFound;

32
XML/testsuite/src/ElementTest.cpp
View File

@@ -616,7 +616,7 @@ void ElementTest::testNodeByPath()
<elemA/>
<elemA/>
</elem1>
<elem2>
<elem2 index="0">
<elemB attr1="value1"/>
<elemB attr1="value2"/>
<elemB attr1="value3"/>
@@ -626,8 +626,9 @@ void ElementTest::testNodeByPath()
</elemC>
<elemC attr1="value2"/>
</elem2>
<elem2>
<elem2 index="1">
<elemB attr1="value4"/>
<elemD attr1="value1"/>
</elem2>
</root>
*/
@@ -646,6 +647,10 @@ void ElementTest::testNodeByPath()
AutoPtr<Element> pElem25 = pDoc->createElement("elemC");
AutoPtr<Element> pElem3 = pDoc->createElement("elem2");
AutoPtr<Element> pElem31 = pDoc->createElement("elemB");
AutoPtr<Element> pElem32 = pDoc->createElement("elemD");
pElem2->setAttribute("index", "0");
pElem3->setAttribute("index", "1");
pElem21->setAttribute("attr1", "value1");
pElem22->setAttribute("attr1", "value2");
@@ -655,6 +660,7 @@ void ElementTest::testNodeByPath()
pElem25->setAttribute("attr1", "value2");
pElem31->setAttribute("attr1", "value4");
pElem32->setAttribute("attr1", "value1");
AutoPtr<Element> pElem241 = pDoc->createElement("elemC1");
AutoPtr<Element> pElem242 = pDoc->createElement("elemC2");
@@ -671,6 +677,7 @@ void ElementTest::testNodeByPath()
pElem2->appendChild(pElem25);
pElem3->appendChild(pElem31);
pElem3->appendChild(pElem32);
pRoot->appendChild(pElem1);
pRoot->appendChild(pElem2);
@@ -750,11 +757,32 @@ void ElementTest::testNodeByPath()
pNode = pDoc->getNodeByPath("//[@attr1='value1']");
assertTrue (pNode == pElem21);
pNode = pDoc->getNodeByPath("//[@attr1='value4']");
assertTrue (pNode == pElem31);
pNode = pDoc->getNodeByPath("//[@attr1='value2']");
assertTrue (pNode == pElem22);
pNode = pRoot->getNodeByPath("/elem2/*[@attr1='value2']");
assertTrue (pNode == pElem22);
pNode = pDoc->getNodeByPath("/root/elem2[0]/elemC");
assertTrue (pNode == pElem24);
pNode = pDoc->getNodeByPath("/root/elem2[1]/elemC");
assertTrue (pNode == 0);
pNode = pDoc->getNodeByPath("/root/elem2[0]/elemD");
assertTrue (pNode == 0);
pNode = pDoc->getNodeByPath("/root/elem2[1]/elemD");
assertTrue (pNode == pElem32);
pNode = pDoc->getNodeByPath("/root/elem2[@index=0]/elemD");
assertTrue (pNode == 0);
pNode = pDoc->getNodeByPath("/root/elem2[@index=1]/elemD");
assertTrue (pNode == pElem32);
}