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# $Header: /var/local/cvsroot/4Suite/Ft/Server/Server/Xslt/DocumentDefinition.py,v 1.7 2005/04/06 23:05:46 jkloth Exp $
"""
XSLT extension elements and functions supporting the 4SS DocumentDefinition API
Copyright 2004 Fourthought, Inc. (USA).
Detailed license and copyright information: http://4suite.org/COPYRIGHT
Project home, documentation, distributions: http://4suite.org/
"""
import cStringIO
from Ft.Server.Common import CreationParams
from Ft.Xml.XPath import Conversions
from Ft.Xml.Xslt import XsltElement
from Ft.Xml.Xslt import ContentInfo, AttributeInfo
from Ft.Xml.Xslt import OutputParameters
from Ns import SCORE_NS
import FtssXsltBase
class AddBaseDocumentDefinitionElement(XsltElement):
"""
Add a new document definition to a document definition's base defs.
"""
content = ContentInfo.Empty
legalAttrs = {
'path' : AttributeInfo.UriReferenceAvt(
description='The path of the document'),
'docdef' : AttributeInfo.UriReferenceAvt(required=1,
description='The document definition to use'),
}
def instantiate(self, context, processor):
context.setProcessState(self)
path = self._path.evaluate(context)
dd = self._docdef.evaluate(context)
base = FtssXsltBase.FetchBaseObject(processor, path)
docdef = FtssXsltBase.FetchBaseObject(processor, dd)
base.addBaseDocumentDefinition(docdef);
return
def GetCreationParams(context, path=None):
path = Conversions.StringValue(path)
base = FtssXsltBase.FetchBaseObject(context.processor, path)
cp = base.getCreationParams()
doc = CreationParams.Serialize(cp)
return [doc]
def GetBaseDefinitions(context, path=None):
path = Conversions.StringValue(path)
base = FtssXsltBase.FetchBaseObject(context.processor, path)
proc = context.processor
proc.pushResultTree(base.getAbsolutePath())
for path in base.getBaseDefinitions():
proc.writers[-1].startElement('BaseDocumentDefinition')
proc.writers[-1].text(path.getAbsolutePath())
proc.writers[-1].endElement('BaseDocumentDefinition')
return proc.popResult().childNodes
def GetDerivedDefinitions(context, path=None):
path = Conversions.StringValue(path)
base = FtssXsltBase.FetchBaseObject(context.processor, path)
proc = context.processor
proc.pushResultTree(base.getAbsolutePath())
for path in base.getDerivedDefinitions():
proc.writers[-1].startElement('DerivedDocumentDefinition')
proc.writers[-1].text(path.getAbsolutePath())
proc.writers[-1].endElement('DerivedDocumentDefinition')
return proc.popResult().childNodes
class RemoveBaseDocumentDefinitionElement(XsltElement):
"""
Remove a document definition from a document definition's base defs.
"""
content = ContentInfo.Empty
legalAttrs = {
'path' : AttributeInfo.UriReferenceAvt(
description='The path of the document'),
'docdef' : AttributeInfo.UriReferenceAvt(required=1,
description='The document definition to use'),
}
def instantiate(self, context, processor):
context.setProcessState(self)
path = self._path.evaluate(context)
dd = self._docdef.evaluate(context)
base = FtssXsltBase.FetchBaseObject(processor, path)
docdef = FtssXsltBase.FetchBaseObject(processor, dd)
base.removeBaseDocumentDefinition(docdef);
return
class SetCreationParamsElement(XsltElement):
"""
Change the creation params of a document definition.
The content of the fcore:set-creation-params element is a template for
the new creation params in serialized format.
"""
content = ContentInfo.Template
legalAttrs = {
'path' : AttributeInfo.UriReferenceAvt(
description='The path for the new document'),
}
def __init__(self, root, namespaceUri, localName, baseUri):
XsltElement.__init__(self, root, namespaceUri, localName, baseUri)
self._output_parameters = OutputParameters.OutputParameters()
return
def instantiate(self, context, processor):
context.setProcessState(self)
path = self._path.evaluate(context)
stream = cStringIO.StringIO()
processor.addHandler(self._output_parameters, stream)
self.processChildren(context, processor)
processor.removeHandler()
text = stream.getvalue()
base = FtssXsltBase.FetchBaseObject(processor, path)
cp = CreationParams.Deserialize(text)
base.setCreationParams(cp);
return
ExtFunctions = {
(SCORE_NS, 'get-creation-params'): GetCreationParams,
(SCORE_NS, 'get-base-definitions'): GetBaseDefinitions,
(SCORE_NS, 'get-derived-definitions'): GetDerivedDefinitions,
}
ExtElements = {
(SCORE_NS, 'set-creation-params'): SetCreationParamsElement,
(SCORE_NS, 'add-base-document-definition'): AddBaseDocumentDefinitionElement,
(SCORE_NS, 'remove-base-document-definition'): RemoveBaseDocumentDefinitionElement,
}
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