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########################################################################
#
# File Name: FtElements.py
#
#
"""
FourThought proprietary extension elements
WWW: http://4suite.com/4XSLT e-mail: support@4suite.com
Copyright (c) 1999-2000 Fourthought Inc, USA. All Rights Reserved.
See http://4suite.com/COPYRIGHT for license and copyright information
"""
from xml.dom import EMPTY_NAMESPACE
import xml.dom.ext
from xml.xslt import XsltElement, XsltException, Error
from xml.xslt import XSL_NAMESPACE
from xml.xslt import AttributeValueTemplate, OutputParameters, TextWriter
from xml.xpath import Util, FT_EXT_NAMESPACE, XPathParser
from xml.xslt import ApplyTemplatesElement
class FtApplyTemplates(ApplyTemplatesElement.ApplyTemplatesElement):
def setup(self):
ApplyTemplatesElement.ApplyTemplatesElement.setup(self)
#Overwrite the mode
mode_attr = self.getAttributeNS(EMPTY_NAMESPACE, 'mode')
if mode_attr != '':
parser = XPathParser.XPathParser()
self.__dict__['_mode'] = parser.parseExpression(mode_attr)
def _instantiateMode(self,context):
rt = self._mode.evaluate(context)
split_name = Util.ExpandQName(
rt,
namespaces=self._nss
)
return split_name
class WriteFileElement(XsltElement):
def __init__(self, doc, uri=FT_EXT_NAMESPACE, localName='write-file', prefix='ft', baseUri=''):
XsltElement.__init__(self, doc, uri, localName, prefix, baseUri)
def setup(self):
self.__dict__['_nss'] = xml.dom.ext.GetAllNs(self)
self.__dict__['_name'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'name'))
self.__dict__['_overwrite'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'overwrite'))
out = OutputParameters()
for child in self.childNodes:
if (child.namespaceURI, child.localName) == (FT_EXT_NAMESPACE, 'output'):
method = child.getAttributeNS(EMPTY_NAMESPACE, 'method')
if method: out.method = method
version = child.getAttributeNS(EMPTY_NAMESPACE, 'version')
if version: out.version = version
encoding = child.getAttributeNS(EMPTY_NAMESPACE, 'encoding')
if encoding: out.encoding = encoding
omit_xml_decl = child.getAttributeNS(EMPTY_NAMESPACE, 'omit-xml-declaration')
if omit_xml_decl: out.omitXmlDeclaration = omit_xml_decl
standalone = child.getAttributeNS(EMPTY_NAMESPACE, 'standalone')
if standalone: out.standalone = standalone
doctype_system = child.getAttributeNS(EMPTY_NAMESPACE, 'doctype-system')
if doctype_system: out.doctypeSystem = doctype_system
doctype_public = child.getAttributeNS(EMPTY_NAMESPACE, 'doctype-public')
if doctype_public: out.doctypePublic = doctype_public
media_type = child.getAttributeNS(EMPTY_NAMESPACE, 'media-type')
if media_type: out.mediaType = media_type
cdata_sec_elem = child.getAttributeNS(EMPTY_NAMESPACE, 'cdata-section-elements')
if cdata_sec_elem: out.cdataSectionElements = cdata_sec_elem
indent = child.getAttributeNS(EMPTY_NAMESPACE, 'indent')
if indent: out.indent = indent
self.__dict__['_outputParams'] = out
return
def instantiate(self, context, processor):
origState = context.copy()
context.processorNss = self._nss
name = self._name.evaluate(context)
overwrite = self._overwrite.evaluate(context)
if overwrite == 'yes':
f = open(name, 'w')
else:
f = open(name, 'a')
processor.addHandler(self._outputParams, f)
for child in self.childNodes:
context = child.instantiate(context, processor)[0]
processor.removeHandler()
f.close()
context.set(origState)
return (context,)
def __getinitargs__(self):
return (None, self.namespaceURI, self.localName, self.prefix,
self.baseUri)
def __getstate__(self):
base_state = XsltElement.__getstate__(self)
new_state = (base_state, self._nss, self._name,self._overwrite,self._outputParams)
return new_state
def __setstate__(self, state):
XsltElement.__setstate__(self, state[0])
self._nss = state[1]
self._name = state[2]
self._overwrite = state[3]
self._outputParams = state[4]
return
class FtOutputElement(XsltElement):
def __init__(self, doc, uri=FT_EXT_NAMESPACE, localName='output', prefix='ft', baseUri=''):
XsltElement.__init__(self, doc, uri, localName, prefix, baseUri)
def setup(self):
return
def __getinitargs__(self):
return (None, self.namespaceURI, self.localName, self.prefix,
self.baseUri)
class MessageOutputElement(XsltElement):
def __init__(self, doc, uri=FT_EXT_NAMESPACE, localName='message-output', prefix='ft', baseUri=''):
XsltElement.__init__(self, doc, uri, localName, prefix, baseUri)
def setup(self):
#FIXME: disable -> silent
self.__dict__['_nss'] = xml.dom.ext.GetAllNs(self)
if self.getAttributeNS(EMPTY_NAMESPACE, 'file'):
self.__dict__['_file'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'file'))
else:
self.__dict__['_file'] = None
if self.getAttributeNS(EMPTY_NAMESPACE, 'disable'):
self.__dict__['_disable'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'disable'))
else:
self.__dict__['_disable'] = None
if self.getAttributeNS(EMPTY_NAMESPACE, 'overwrite'):
self.__dict__['_overwrite'] = AttributeValueTemplate.AttributeValueTemplate(self.getAttributeNS(EMPTY_NAMESPACE, 'overwrite'))
else:
self.__dict__['_overwrite'] = None
return
def instantiate(self, context, processor):
if self._file:
processor.setMessageFile(self._file.evaluate(context))
if self._disabled:
processor._messagesEnabled = self._disabled.evaluate(context) == yes
if self._overwrite == 'yes':
f = open(name, 'w')
else:
f = open(name, 'a')
return (context,)
def __getinitargs__(self):
return (None, self.namespaceURI, self.localName, self.prefix,
self.baseUri)
def __getstate__(self):
base_state = XsltElement.__getstate__(self)
new_state = (base_state, self._nss, self._name,self._overwrite,self._outputParams)
return new_state
def __setstate__(self, state):
XsltElement.__setstate__(self, state[0])
self._nss = state[1]
self._file = state[2]
self._silent = state[3]
return
ExtElements = {
(FT_EXT_NAMESPACE, 'apply-templates'): FtApplyTemplates,
(FT_EXT_NAMESPACE, 'output'): FtOutputElement,
(FT_EXT_NAMESPACE, 'write-file'): WriteFileElement,
(FT_EXT_NAMESPACE, 'message-output'): MessageOutputElement,
}
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