89 lines
3.5 KiB
Python
89 lines
3.5 KiB
Python
# ------------------------------------------------------------------------------
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# Appy is a framework for building applications in the Python language.
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# Copyright (C) 2007 Gaetan Delannay
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,USA.
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# ------------------------------------------------------------------------------
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from appy.shared.xml_parser import XmlElement
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from appy.pod.odf_parser import OdfEnvironment as ns
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from appy.pod import PodError
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# ------------------------------------------------------------------------------
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class PodElement:
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OD_TO_POD = {'p': 'Text', 'h': 'Title', 'section': 'Section',
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'table': 'Table', 'table-row': 'Row', 'table-cell': 'Cell',
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None: 'Expression'}
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POD_ELEMS = ('text', 'title', 'section', 'table', 'row', 'cell')
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MINUS_ELEMS = ('section', 'table') # Elements for which the '-' operator can
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# be applied
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def create(elem):
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'''Used to create any POD elem that has a equivalent OD element. Not
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for creating expressions, for example.'''
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return eval(PodElement.OD_TO_POD[elem])()
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create = staticmethod(create)
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class Text(PodElement):
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OD = XmlElement('p', nsUri=ns.NS_TEXT)
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subTags = [] # When generating an error we may need to surround the error
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# with a given tag and subtags
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class Title(PodElement):
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OD = XmlElement('h', nsUri=ns.NS_TEXT)
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subTags = []
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class Section(PodElement):
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OD = XmlElement('section', nsUri=ns.NS_TEXT)
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subTags = [Text.OD]
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DEEPEST_TO_REMOVE = OD # When we must remove the Section element from a
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# buffer, the deepest element to remove is the Section element itself
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class Cell(PodElement):
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OD = XmlElement('table-cell', nsUri=ns.NS_TABLE)
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subTags = [Text.OD]
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def __init__(self):
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self.tableInfo = None # ~OdTable~
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self.colIndex = None # The column index for this cell, within its table.
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class Row(PodElement):
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OD = XmlElement('table-row', nsUri=ns.NS_TABLE)
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subTags = [Cell.OD, Text.OD]
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class Table(PodElement):
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OD = XmlElement('table', nsUri=ns.NS_TABLE)
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subTags = [Row.OD, Cell.OD, Text.OD]
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DEEPEST_TO_REMOVE = Cell.OD # When we must remove the Table element from a
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# buffer, the deepest element to remove is the Cell (it can only be done for
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# one-row, one-cell tables
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def __init__(self):
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self.tableInfo = None # ~OdTable~
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class Expression(PodElement):
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OD = None
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def __init__(self, pyExpr):
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self.expr = pyExpr
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def evaluate(self, context):
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res = eval(self.expr, context)
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if res == None:
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res = u''
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elif isinstance(res, str):
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res = unicode(res.decode('utf-8'))
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elif isinstance(res, unicode):
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pass
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else:
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res = unicode(res)
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return res
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# ------------------------------------------------------------------------------
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