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Kirill Smelkov
Zope
Commits
5eb21653
Commit
5eb21653
authored
Feb 15, 2001
by
Guido van Rossum
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Deleting DOM-using modules.
parent
39d9c746
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lib/python/TAL/CopyingDOMVisitor.py
lib/python/TAL/CopyingDOMVisitor.py
+0
-147
lib/python/TAL/DOMVisitor.py
lib/python/TAL/DOMVisitor.py
+0
-258
lib/python/TAL/TALCompiler.py
lib/python/TAL/TALCompiler.py
+0
-364
lib/python/TAL/TALVisitor.py
lib/python/TAL/TALVisitor.py
+0
-287
No files found.
lib/python/TAL/CopyingDOMVisitor.py
deleted
100644 → 0
View file @
39d9c746
##############################################################################
#
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
#
# Copyright (c) Digital Creations. All rights reserved.
#
# This license has been certified as Open Source(tm).
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions in source code must retain the above copyright
# notice, this list of conditions, and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Digital Creations requests that attribution be given to Zope
# in any manner possible. Zope includes a "Powered by Zope"
# button that is installed by default. While it is not a license
# violation to remove this button, it is requested that the
# attribution remain. A significant investment has been put
# into Zope, and this effort will continue if the Zope community
# continues to grow. This is one way to assure that growth.
#
# 4. All advertising materials and documentation mentioning
# features derived from or use of this software must display
# the following acknowledgement:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# In the event that the product being advertised includes an
# intact Zope distribution (with copyright and license included)
# then this clause is waived.
#
# 5. Names associated with Zope or Digital Creations must not be used to
# endorse or promote products derived from this software without
# prior written permission from Digital Creations.
#
# 6. Modified redistributions of any form whatsoever must retain
# the following acknowledgment:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# Intact (re-)distributions of any official Zope release do not
# require an external acknowledgement.
#
# 7. Modifications are encouraged but must be packaged separately as
# patches to official Zope releases. Distributions that do not
# clearly separate the patches from the original work must be clearly
# labeled as unofficial distributions. Modifications which do not
# carry the name Zope may be packaged in any form, as long as they
# conform to all of the clauses above.
#
#
# Disclaimer
#
# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations. Specific
# attributions are listed in the accompanying credits file.
#
##############################################################################
"""
Make an exact copy of a DOM document (sub)tree.
"""
from
xml.dom
import
Node
from
DOMVisitor
import
DOMVisitor
class
CopyingDOMVisitor
(
DOMVisitor
):
def
__init__
(
self
,
rootNode
,
documentFactory
):
DOMVisitor
.
__init__
(
self
,
rootNode
)
self
.
documentFactory
=
documentFactory
def
__call__
(
self
):
self
.
newDocument
=
None
self
.
curNode
=
None
DOMVisitor
.
__call__
(
self
)
return
self
.
newDocument
def
visitElement
(
self
,
node
):
self
.
copyElement
(
node
)
self
.
copyAllAttributes
(
node
)
DOMVisitor
.
visitElement
(
self
,
node
)
self
.
backUp
()
def
backUp
(
self
):
self
.
curNode
=
self
.
curNode
.
parentNode
def
copyElement
(
self
,
node
):
namespaceURI
=
node
.
namespaceURI
if
self
.
newDocument
is
None
:
# This must be the documentElement node. Create the
# document now; this also creates the documentElement node
self
.
newDocument
=
self
.
documentFactory
.
createDocument
(
namespaceURI
,
node
.
nodeName
,
None
)
newNode
=
self
.
newDocument
.
documentElement
else
:
newNode
=
self
.
newDocument
.
createElementNS
(
namespaceURI
,
node
.
nodeName
)
self
.
curNode
.
appendChild
(
newNode
)
self
.
curNode
=
newNode
def
copyAllAttributes
(
self
,
node
):
for
attr
in
node
.
attributes
.
values
():
self
.
copyAttribute
(
attr
)
def
copyAttribute
(
self
,
attr
):
if
attr
.
namespaceURI
:
self
.
curNode
.
setAttributeNS
(
attr
.
namespaceURI
,
attr
.
nodeName
,
attr
.
nodeValue
)
else
:
self
.
curNode
.
setAttribute
(
attr
.
nodeName
,
attr
.
nodeValue
)
def
visitText
(
self
,
node
):
newNode
=
self
.
newDocument
.
createTextNode
(
node
.
nodeValue
)
self
.
curNode
.
appendChild
(
newNode
)
def
visitComment
(
self
,
node
):
if
self
.
newDocument
:
newNode
=
self
.
newDocument
.
createComment
(
node
.
nodeValue
)
self
.
curNode
.
appendChild
(
newNode
)
# XXX Else, this is a comment before the documentElement; lose it.
lib/python/TAL/DOMVisitor.py
deleted
100644 → 0
View file @
39d9c746
##############################################################################
#
# Zope Public License (ZPL) Version 1.0
# -------------------------------------
#
# Copyright (c) Digital Creations. All rights reserved.
#
# This license has been certified as Open Source(tm).
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# 1. Redistributions in source code must retain the above copyright
# notice, this list of conditions, and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions, and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# 3. Digital Creations requests that attribution be given to Zope
# in any manner possible. Zope includes a "Powered by Zope"
# button that is installed by default. While it is not a license
# violation to remove this button, it is requested that the
# attribution remain. A significant investment has been put
# into Zope, and this effort will continue if the Zope community
# continues to grow. This is one way to assure that growth.
#
# 4. All advertising materials and documentation mentioning
# features derived from or use of this software must display
# the following acknowledgement:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# In the event that the product being advertised includes an
# intact Zope distribution (with copyright and license included)
# then this clause is waived.
#
# 5. Names associated with Zope or Digital Creations must not be used to
# endorse or promote products derived from this software without
# prior written permission from Digital Creations.
#
# 6. Modified redistributions of any form whatsoever must retain
# the following acknowledgment:
#
# "This product includes software developed by Digital Creations
# for use in the Z Object Publishing Environment
# (http://www.zope.org/)."
#
# Intact (re-)distributions of any official Zope release do not
# require an external acknowledgement.
#
# 7. Modifications are encouraged but must be packaged separately as
# patches to official Zope releases. Distributions that do not
# clearly separate the patches from the original work must be clearly
# labeled as unofficial distributions. Modifications which do not
# carry the name Zope may be packaged in any form, as long as they
# conform to all of the clauses above.
#
#
# Disclaimer
#
# THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS ``AS IS'' AND ANY
# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL CREATIONS OR ITS
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
# This software consists of contributions made by Digital Creations and
# many individuals on behalf of Digital Creations. Specific
# attributions are listed in the accompanying credits file.
#
##############################################################################
"""
Visitor class for DOM trees.
XXX Assumptions: only Document and Element nodes have children worth
visiting. This is probably wrong, but good enough for now. Please
let me know which node types I should also deal with!
XXX This may not be as general as the Visitor class in product
ParsedXML.Printer.py, but that uses ParsedXML.DOM.Traversal, and I
don't want this class to depend on the DOM implementation there.
"""
from
xml.dom
import
Node
class
DOMVisitor
:
"""
Visitor class for DOM trees.
Subclass this class, overriding methods for visiting the various
node types. Instantiate your subclass with a particular DOM node
to create a visitor instance for the DOM subtree rooted at that
node. Call your instance to visit each node in that subtree once,
in document order.
There's a visit<NodeType>() method for each node type. There's
also a visitUnknown() which is called for unrecognized node types
(which shouldn't happen if you are using a standard DOM
implementation).
You can influence which nodes are visited in which order by
overriding visitAllChildren(), and/or by overriding
visitDocument() and visitElement(). If you override the latter
two, be careful to either call the base class method or call
visitAllChildren() as shown in their base class implementations,
otherwise the tree traversal will break.
"""
def
__init__
(
self
,
rootNode
):
"""
Construct a visitor instance.
Arguments:
rootNode: the root of the subtree to be traversed. This is
typically a document node or an element node.
"""
self
.
rootNode
=
rootNode
def
__call__
(
self
):
"""
Traverse the subtree given to the constructor.
"""
self
.
visitNode
(
self
.
rootNode
)
def
visitNode
(
self
,
node
):
"""
Visit any type of node.
This switches out to one of the node-specific visitor methods.
The recursing down into children is handled by calling
visitAllChildren() in the node-specific visitor methods.
"""
methodName
=
self
.
visitSwitch
.
get
(
node
.
nodeType
,
"visitUnknown"
)
method
=
getattr
(
self
,
methodName
)
method
(
node
)
# Dictionary mapping node types to method names, used in visitNode
visitSwitch
=
{
Node
.
ELEMENT_NODE
:
"visitElement"
,
Node
.
ATTRIBUTE_NODE
:
"visitAttribute"
,
Node
.
TEXT_NODE
:
"visitText"
,
Node
.
CDATA_SECTION_NODE
:
"visitCDATASection"
,
Node
.
ENTITY_REFERENCE_NODE
:
"visitEntityReference"
,
Node
.
ENTITY_NODE
:
"visitEntity"
,
Node
.
PROCESSING_INSTRUCTION_NODE
:
"visitProcessingInstruction"
,
Node
.
COMMENT_NODE
:
"visitComment"
,
Node
.
DOCUMENT_NODE
:
"visitDocument"
,
Node
.
DOCUMENT_TYPE_NODE
:
"visitDocumentType"
,
Node
.
DOCUMENT_FRAGMENT_NODE
:
"visitDocumentFragment"
,
Node
.
NOTATION_NODE
:
"visitNotation"
,
}
def
visitUnknown
(
self
,
node
):
"""
Visit a node of an unknown type.
"""
pass
def
visitDocument
(
self
,
node
):
"""
Visit a document node.
This calls visitAllChildren() to recurse into the document tree.
"""
self
.
visitAllChildren
(
node
)
def
visitElement
(
self
,
node
):
"""
Visit an element node.
This calls visitAllChildren() to recurse into the document
tree.
"""
self
.
visitAllChildren
(
node
)
def
visitAllChildren
(
self
,
node
):
"""
Call visitNode() for each child of the given node.
"""
# XXX eventually use firstChild/nextSibling, for speed
for
child
in
node
.
childNodes
:
self
.
visitNode
(
child
)
def
visitAttribute
(
self
,
node
):
"""
Override this empty method to visit an attribute node.
"""
pass
def
visitText
(
self
,
node
):
"""
Override this empty method to visit a text node.
"""
pass
def
visitCDATASection
(
self
,
node
):
"""
Override this empty method to visit a CDATA section node.
"""
pass
def
visitEntityReference
(
self
,
node
):
"""
Override this empty method to visit an entity reference node.
"""
pass
def
visitEntity
(
self
,
node
):
"""
Override this empty method to visit an entity node.
"""
self
.
visitAllChildren
(
node
)
def
visitProcessingInstruction
(
self
,
node
):
"""
Override this empty method to visit a processing instruction node.
"""
pass
def
visitComment
(
self
,
node
):
"""
Override this empty method to visit a comment node.
"""
pass
def
visitDocumentType
(
self
,
node
):
"""
Override this empty method to visit a document type node.
"""
pass
def
visitDocumentFragment
(
self
,
node
):
"""
Override this empty method to visit a document fragment node.
"""
pass
def
visitNotation
(
self
,
node
):
"""
Override this empty method to visit a notation node.
"""
pass
lib/python/TAL/TALCompiler.py
deleted
100644 → 0
View file @
39d9c746
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lib/python/TAL/TALVisitor.py
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