def linkbaseDiscover(self, linkbaseElement, inInstance=False):
for lbElement in linkbaseElement.childNodes:
if lbElement.nodeType == 1: #element
lbLn = lbElement.localName
lbNs = lbElement.namespaceURI
if lbNs == XbrlConst.link:
if lbLn == "roleRef" or lbLn == "arcroleRef":
href = self.discoverHref(lbElement)
if href is None:
self.modelXbrl.error(
"Linkbase in {0} {1} href attribute missing or malformed".format(
os.path.basename(self.uri),
lbLn),
"err", "xbrl:hrefMissing")
else:
self.hrefObjects.append(href)
continue
if lbElement.getAttributeNS(XbrlConst.xlink, "type") == "extended":
self.schemalocateElementNamespace(lbElement)
arcrolesFound = set()
dimensionArcFound = False
formulaArcFound = False
euRenderingArcFound = False
linkQn = qname(lbElement)
linkrole = lbElement.getAttributeNS(XbrlConst.xlink, "role")
modelLink = ModelObject.createLink(self, lbElement)
if inInstance:
#index footnote links even if no arc children
baseSetKeys = (("XBRL-footnotes",None,None,None),
("XBRL-footnotes",linkrole,None,None))
for baseSetKey in baseSetKeys:
self.modelXbrl.baseSets[baseSetKey].append(modelLink)
for linkElement in lbElement.childNodes:
if linkElement.nodeType == 1: #element
self.schemalocateElementNamespace(linkElement)
xlinkType = linkElement.getAttributeNS(XbrlConst.xlink, "type")
modelResource = None
if xlinkType == "locator":
nonDTS = linkElement.namespaceURI != XbrlConst.link or linkElement.localName != "loc"
# only link:loc elements are discovered or processed
href = self.discoverHref(linkElement, nonDTS=nonDTS)
if href is None:
self.modelXbrl.error(
"Linkbase in {0} {1} href attribute missing or malformed".format(
os.path.basename(self.uri),
lbLn),
"err", "xbrl:hrefMissing")
else:
modelResource = ModelObject.createLocator(self, linkElement, href)
elif xlinkType == "arc":
arcQn = qname(linkElement)
arcrole = linkElement.getAttributeNS(XbrlConst.xlink, "arcrole")
if arcrole not in arcrolesFound:
if linkrole == "":
linkrole = XbrlConst.defaultLinkRole
#index by both arcrole and linkrole#arcrole and dimensionsions if applicable
baseSetKeys = [(arcrole, linkrole, linkQn, arcQn)]
baseSetKeys.append((arcrole, linkrole, None, None))
baseSetKeys.append((arcrole, None, None, None))
if XbrlConst.isDimensionArcrole(arcrole) and not dimensionArcFound:
baseSetKeys.append(("XBRL-dimensions", None, None, None))
baseSetKeys.append(("XBRL-dimensions", linkrole, None, None))
dimensionArcFound = True
if XbrlConst.isFormulaArcrole(arcrole) and not formulaArcFound:
baseSetKeys.append(("XBRL-formulae", None, None, None))
baseSetKeys.append(("XBRL-formulae", linkrole, None, None))
formulaArcFound = True
if XbrlConst.isEuRenderingArcrole(arcrole) and not euRenderingArcFound:
baseSetKeys.append(("EU-rendering", None, None, None))
baseSetKeys.append(("EU-rendering", linkrole, None, None))
euRenderingArcFound = True
self.modelXbrl.hasEuRendering = True
for baseSetKey in baseSetKeys:
self.modelXbrl.baseSets[baseSetKey].append(modelLink)
arcrolesFound.add(arcrole)
elif xlinkType == "resource":
# create resource and make accessible by id for document
modelResource = ModelObject.createResource(self, linkElement)
if modelResource is not None:
if linkElement.hasAttribute("id"):
self.idObjects[linkElement.getAttribute("id")] = modelResource
modelLink.labeledResources[linkElement.getAttributeNS(XbrlConst.xlink, "label")] \
.append(modelResource)
else:
XmlUtil.markIdAttributes(linkElement)
def linkbaseDiscover(self, linkbaseElement, inInstance=False):
for lbElement in linkbaseElement.childNodes:
if lbElement.nodeType == 1: #element
lbLn = lbElement.localName
lbNs = lbElement.namespaceURI
if lbNs == XbrlConst.link:
if lbLn == "roleRef" or lbLn == "arcroleRef":
href = self.discoverHref(lbElement)
if href is None:
self.modelXbrl.error(
"Linkbase in {0} {1} href attribute missing or malformed"
.format(os.path.basename(self.uri),
lbLn), "err", "xbrl:hrefMissing")
else:
self.hrefObjects.append(href)
continue
if lbElement.getAttributeNS(XbrlConst.xlink,
"type") == "extended":
self.schemalocateElementNamespace(lbElement)
arcrolesFound = set()
dimensionArcFound = False
formulaArcFound = False
euRenderingArcFound = False
linkQn = qname(lbElement)
linkrole = lbElement.getAttributeNS(
XbrlConst.xlink, "role")
modelLink = ModelObject.createLink(self, lbElement)
if inInstance:
#index footnote links even if no arc children
baseSetKeys = (("XBRL-footnotes", None, None, None),
("XBRL-footnotes", linkrole, None,
None))
for baseSetKey in baseSetKeys:
self.modelXbrl.baseSets[baseSetKey].append(
modelLink)
for linkElement in lbElement.childNodes:
if linkElement.nodeType == 1: #element
self.schemalocateElementNamespace(linkElement)
xlinkType = linkElement.getAttributeNS(
XbrlConst.xlink, "type")
modelResource = None
if xlinkType == "locator":
nonDTS = linkElement.namespaceURI != XbrlConst.link or linkElement.localName != "loc"
# only link:loc elements are discovered or processed
href = self.discoverHref(linkElement,
nonDTS=nonDTS)
if href is None:
self.modelXbrl.error(
"Linkbase in {0} {1} href attribute missing or malformed"
.format(os.path.basename(self.uri),
lbLn), "err",
"xbrl:hrefMissing")
else:
modelResource = ModelObject.createLocator(
self, linkElement, href)
elif xlinkType == "arc":
arcQn = qname(linkElement)
arcrole = linkElement.getAttributeNS(
XbrlConst.xlink, "arcrole")
if arcrole not in arcrolesFound:
if linkrole == "":
linkrole = XbrlConst.defaultLinkRole
#index by both arcrole and linkrole#arcrole and dimensionsions if applicable
baseSetKeys = [(arcrole, linkrole, linkQn,
arcQn)]
baseSetKeys.append(
(arcrole, linkrole, None, None))
baseSetKeys.append(
(arcrole, None, None, None))
if XbrlConst.isDimensionArcrole(
arcrole) and not dimensionArcFound:
baseSetKeys.append(("XBRL-dimensions",
None, None, None))
baseSetKeys.append(
("XBRL-dimensions", linkrole, None,
None))
dimensionArcFound = True
if XbrlConst.isFormulaArcrole(
arcrole) and not formulaArcFound:
baseSetKeys.append(("XBRL-formulae",
None, None, None))
baseSetKeys.append(
("XBRL-formulae", linkrole, None,
None))
formulaArcFound = True
if XbrlConst.isEuRenderingArcrole(
arcrole
) and not euRenderingArcFound:
baseSetKeys.append(
("EU-rendering", None, None, None))
baseSetKeys.append(
("EU-rendering", linkrole, None,
None))
euRenderingArcFound = True
self.modelXbrl.hasEuRendering = True
for baseSetKey in baseSetKeys:
self.modelXbrl.baseSets[
baseSetKey].append(modelLink)
arcrolesFound.add(arcrole)
elif xlinkType == "resource":
# create resource and make accessible by id for document
modelResource = ModelObject.createResource(
self, linkElement)
if modelResource is not None:
if linkElement.hasAttribute("id"):
self.idObjects[linkElement.getAttribute(
"id")] = modelResource
modelLink.labeledResources[linkElement.getAttributeNS(XbrlConst.xlink, "label")] \
.append(modelResource)
else:
XmlUtil.markIdAttributes(linkElement)
