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qt5base-lts/util/local_database/xpathlite.py
Jason McDonald 5635823e17 Remove "All rights reserved" line from license headers. 
As in the past, to avoid rewriting various autotests that contain
line-number information, an extra blank line has been inserted at the
end of the license text to ensure that this commit does not change the
total number of lines in the license header.

Change-Id: I311e001373776812699d6efc045b5f742890c689
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
2012-01-30 03:54:59 +01:00

250 lines
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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
## Contact: http://www.qt-project.org/
##
## This file is part of the test suite of the Qt Toolkit.
##
## $QT_BEGIN_LICENSE:LGPL$
## GNU Lesser General Public License Usage
## This file may be used under the terms of the GNU Lesser General Public
## License version 2.1 as published by the Free Software Foundation and
## appearing in the file LICENSE.LGPL included in the packaging of this
## file. Please review the following information to ensure the GNU Lesser
## General Public License version 2.1 requirements will be met:
## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
##
## In addition, as a special exception, Nokia gives you certain additional
## rights. These rights are described in the Nokia Qt LGPL Exception
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU General
## Public License version 3.0 as published by the Free Software Foundation
## and appearing in the file LICENSE.GPL included in the packaging of this
## file. Please review the following information to ensure the GNU General
## Public License version 3.0 requirements will be met:
## http://www.gnu.org/copyleft/gpl.html.
##
## Other Usage
## Alternatively, this file may be used in accordance with the terms and
## conditions contained in a signed written agreement between you and Nokia.
##
##
##
##
##
##
## $QT_END_LICENSE$
##
#############################################################################
import sys
import os
import xml.dom.minidom
doc_cache = {}
class DraftResolution:
# See http://www.unicode.org/cldr/process.html for description
unconfirmed = 'unconfirmed'
provisional = 'provisional'
contributed = 'contributed'
approved = 'approved'
_values = { unconfirmed : 1, provisional : 2, contributed : 3, approved : 4 }
def __init__(self, resolution):
self.resolution = resolution
def toInt(self):
return DraftResolution._values[self.resolution]
class Error:
def __init__(self, msg):
self.msg = msg
def __str__(self):
return self.msg
def findChild(parent, tag_name, arg_name=None, arg_value=None, draft=None):
for node in parent.childNodes:
if node.nodeType != node.ELEMENT_NODE:
continue
if node.nodeName != tag_name:
continue
if arg_value:
if not node.attributes.has_key(arg_name):
continue
if node.attributes[arg_name].nodeValue != arg_value:
continue
if draft:
if not node.attributes.has_key('draft'):
# if draft is not specified then it's approved
return node
value = node.attributes['draft'].nodeValue
value = DraftResolution(value).toInt()
exemplar = DraftResolution(draft).toInt()
if exemplar > value:
continue
return node
return False
def findTagsInFile(file, path):
doc = False
if doc_cache.has_key(file):
doc = doc_cache[file]
else:
doc = xml.dom.minidom.parse(file)
doc_cache[file] = doc
elt = doc.documentElement
tag_spec_list = path.split("/")
last_entry = None
for i in range(len(tag_spec_list)):
tag_spec = tag_spec_list[i]
tag_name = tag_spec
arg_name = 'type'
arg_value = ''
left_bracket = tag_spec.find('[')
if left_bracket != -1:
tag_name = tag_spec[:left_bracket]
arg_value = tag_spec[left_bracket+1:-1].split("=")
if len(arg_value) == 2:
arg_name = arg_value[0]
arg_value = arg_value[1]
else:
arg_value = arg_value[0]
elt = findChild(elt, tag_name, arg_name, arg_value)
if not elt:
return None
ret = []
if elt.childNodes:
for node in elt.childNodes:
if node.attributes:
element = [node.nodeName, None]
element[1] = node.attributes.items()
ret.append(element)
else:
if elt.attributes:
element = [elt.nodeName, None]
element[1] = elt.attributes.items()
ret.append(element)
return ret
def _findEntryInFile(file, path, draft=None, attribute=None):
doc = False
if doc_cache.has_key(file):
doc = doc_cache[file]
else:
doc = xml.dom.minidom.parse(file)
doc_cache[file] = doc
elt = doc.documentElement
tag_spec_list = path.split("/")
last_entry = None
for i in range(len(tag_spec_list)):
tag_spec = tag_spec_list[i]
tag_name = tag_spec
arg_name = 'type'
arg_value = ''
left_bracket = tag_spec.find('[')
if left_bracket != -1:
tag_name = tag_spec[:left_bracket]
arg_value = tag_spec[left_bracket+1:-1].split("=")
if len(arg_value) == 2:
arg_name = arg_value[0]
arg_value = arg_value[1]
else:
arg_value = arg_value[0]
alias = findChild(elt, 'alias')
if alias and alias.attributes['source'].nodeValue == 'locale':
path = alias.attributes['path'].nodeValue
aliaspath = tag_spec_list[:i] + path.split("/")
def resolve(x, y):
if y == '..':
return x[:-1]
return x + [y]
# resolve all dot-dot parts of the path
aliaspath = reduce(resolve, aliaspath, [])
# remove attribute specification that our xpathlite doesnt support
aliaspath = map(lambda x: x.replace("@type=", "").replace("'", ""), aliaspath)
# append the remaining path
aliaspath = aliaspath + tag_spec_list[i:]
aliaspath = "/".join(aliaspath)
# "locale" aliases are special - we need to start lookup from scratch
return (None, aliaspath)
elt = findChild(elt, tag_name, arg_name, arg_value, draft)
if not elt:
return ("", None)
if attribute is not None:
if elt.attributes.has_key(attribute):
return (elt.attributes[attribute].nodeValue, None)
return (None, None)
return (elt.firstChild.nodeValue, None)
def findAlias(file):
if not doc_cache.has_key(file):
return False
doc = doc_cache[file]
alias_elt = findChild(doc.documentElement, "alias")
if not alias_elt:
return False
if not alias_elt.attributes.has_key('source'):
return False
return alias_elt.attributes['source'].nodeValue
def _findEntry(base, path, draft=None, attribute=None):
file = base
if base.endswith(".xml"):
filename = base
base = base[:-4]
else:
file = base + ".xml"
(dirname, filename) = os.path.split(base)
items = filename.split("_")
# split locale name into items and iterate through them from back to front
# example: az_Latn_AZ => [az_Latn_AZ, az_Latn, az]
items = reversed(map(lambda x: "_".join(items[:x+1]), range(len(items))))
for item in items:
file = dirname + "/" + item + ".xml"
if os.path.isfile(file):
alias = findAlias(file)
if alias:
# if alias is found we should follow it and stop processing current file
# see http://www.unicode.org/reports/tr35/#Common_Elements
aliasfile = os.path.dirname(file) + "/" + alias + ".xml"
if not os.path.isfile(aliasfile):
raise Error("findEntry: fatal error: found an alias '%s' to '%s', but the alias file couldnt be found" % (filename, alias))
# found an alias, recurse into parsing it
result = _findEntry(aliasfile, path, draft, attribute)
return result
(result, aliaspath) = _findEntryInFile(file, path, draft, attribute)
if aliaspath:
# start lookup again because of the alias source="locale"
return _findEntry(base, aliaspath, draft, attribute)
if result:
return result
return None
def findEntry(base, path, draft=None, attribute=None):
file = base
if base.endswith(".xml"):
file = base
base = base[:-4]
else:
file = base + ".xml"
(dirname, filename) = os.path.split(base)
result = None
while path:
result = _findEntry(base, path, draft, attribute)
if result:
return result
(result, aliaspath) = _findEntryInFile(dirname + "/root.xml", path, draft, attribute)
if result:
return result
if not aliaspath:
raise Error("findEntry: fatal error: %s: did not found key %s" % (filename, path))
path = aliaspath
return result
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