641 lines
29 KiB
Python
641 lines
29 KiB
Python
# -*- coding: utf-8 -*-
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# ------------------------------------------------------------------------------
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# Appy is a framework for building applications in the Python language.
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# Copyright (C) 2007-2011 Gaetan Delannay
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#
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# Distributed under the GNU General Public License.
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#
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# Thanks to Fabio Marcuzzi and Gauthier Bastien for management of strike and
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# underline.
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# ------------------------------------------------------------------------------
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import xml.sax, time, random
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from appy.shared.xml_parser import XmlEnvironment, XmlParser, escapeXml
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from appy.pod.odf_parser import OdfEnvironment
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from appy.pod.styles_manager import Style
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from appy.pod import *
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# To which ODT tags do HTML tags correspond ?
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HTML_2_ODT = {'h1':'h', 'h2':'h', 'h3':'h', 'h4':'h', 'h5':'h', 'h6':'h',
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'p':'p', 'div': 'p', 'b':'span', 'i':'span', 'strong':'span', 'strike':'span',
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's':'span', 'u':'span', 'em': 'span', 'sub': 'span', 'sup': 'span',
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'br': 'line-break'}
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DEFAULT_ODT_STYLES = {'b': 'podBold', 'strong':'podBold', 'i': 'podItalic',
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'u': 'podUnderline', 'strike': 'podStrike', 's': 'podStrike',
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'em': 'podItalic', 'sup': 'podSup', 'sub':'podSub', 'td': 'podCell',
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'th': 'podHeaderCell'}
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INNER_TAGS = ('b', 'strong', 'i', 'u', 'em', 'sup', 'sub', 'span')
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TABLE_CELL_TAGS = ('td', 'th')
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OUTER_TAGS = TABLE_CELL_TAGS + ('li',)
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# The following elements can't be rendered inside paragraphs
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NOT_INSIDE_P = XHTML_HEADINGS + XHTML_LISTS + ('table',)
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NOT_INSIDE_P_OR_P = NOT_INSIDE_P + ('p', 'div')
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NOT_INSIDE_LIST = ('table',)
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IGNORABLE_TAGS = ('meta', 'title', 'style')
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# ------------------------------------------------------------------------------
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class HtmlElement:
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'''Every time an HTML element is encountered during the SAX parsing,
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an instance of this class is pushed on the stack of currently parsed
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elements.'''
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elemTypes = {'p':'para', 'div':'para', 'li':'para', 'ol':'list',
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'ul':'list'}
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def __init__(self, elem, attrs):
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self.elem = elem
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# Keep "class" attribute (useful for finding the corresponding ODT
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# style) in some cases. Normally, basic XmlElement class stores attrs,
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# but for a strange reason those attrs are back to None (probably for
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# performance reasons they become inaccessible after a while).
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self.classAttr = None
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if attrs.has_key('class'):
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self.classAttr = attrs['class']
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self.tagsToReopen = [] # When the HTML element corresponding to self
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# is completely dumped, if there was a problem related to tags
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# inclusion, we may need to dump start tags corresponding to
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# tags that we had to close before dumping this element. This list
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# contains HtmlElement instances.
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self.tagsToClose = [] # Before dumping the closing tag corresponding
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# to self, we may need to close other tags (ie closing a paragraph
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# before closing a cell). This list contains HtmlElement instances.
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self.elemType = self.elem
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if self.elemTypes.has_key(self.elem):
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self.elemType = self.elemTypes[self.elem]
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# If a conflict occurs on this element, we will note it.
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self.isConflictual = False
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def setConflictual(self):
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'''Note p_self as conflictual.'''
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self.isConflictual = True
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return self
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def getOdfTag(self, env):
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'''Gets the raw ODF tag that corresponds to me.'''
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res = ''
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if HTML_2_ODT.has_key(self.elem):
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res += '%s:%s' % (env.textNs, HTML_2_ODT[self.elem])
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elif self.elem == 'a':
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res += '%s:a' % env.textNs
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elif self.elem in XHTML_LISTS:
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res += '%s:list' % env.textNs
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elif self.elem == 'li':
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res += '%s:list-item' % env.textNs
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elif self.elem == 'table':
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res += '%s:table' % env.tableNs
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elif self.elem == 'thead':
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res += '%s:table-header-rows' % env.tableNs
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elif self.elem == 'tr':
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res += '%s:table-row' % env.tableNs
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elif self.elem in TABLE_CELL_TAGS:
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res += '%s:table-cell' % env.tableNs
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return res
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def getOdfTags(self, env):
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'''Gets the start and end tags corresponding to p_self.'''
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tag = self.getOdfTag(env)
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if not tag: return (None, None)
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return ('<%s>' % tag, '</%s>' % tag)
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def getConflictualElements(self, env):
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'''self was just parsed. In some cases, this element can't be dumped
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in the result because there are conflictual elements among previously
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parsed opening elements (p_env.currentElements). For example, if we
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just dumped a "p", we can't dump a table within the "p". Such
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constraints do not hold in XHTML code but hold in ODF code.'''
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if not env.currentElements: return ()
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parentElem = env.currentElements[-1]
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# Check elements that can't be found within a paragraph
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if (parentElem.elemType == 'para') and \
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(self.elem in NOT_INSIDE_P_OR_P):
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# Oups, li->p wrongly considered as a conflict.
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if (parentElem.elem == 'li') and (self.elem in ('p', 'div')):
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return ()
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return (parentElem.setConflictual(),)
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# Check inner paragraphs
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if (parentElem.elem in INNER_TAGS) and (self.elemType == 'para'):
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res = [parentElem.setConflictual()]
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if len(env.currentElements) > 1:
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i = 2
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visitParents = True
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while visitParents:
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try:
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nextParent = env.currentElements[-i]
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i += 1
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res.insert(0, nextParent.setConflictual())
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if nextParent.elemType == 'para':
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visitParents = False
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except IndexError:
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visitParents = False
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return res
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if parentElem.tagsToClose and \
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(parentElem.tagsToClose[-1].elemType == 'para') and \
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(self.elem in NOT_INSIDE_P):
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return (parentElem.tagsToClose[-1].setConflictual(),)
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# Check elements that can't be found within a list
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if (parentElem.elemType=='list') and (self.elem in NOT_INSIDE_LIST):
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return (parentElem.setConflictual(),)
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return ()
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def addInnerParagraph(self, env):
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'''Dump an inner paragraph inside self (if not already done).'''
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if not self.tagsToClose:
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# We did not do it yet
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env.dumpString('<%s:p' % env.textNs)
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if self.elem == 'li':
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itemStyle = env.getCurrentElement(isList=True).elem # ul or ol
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# Which 'li'-related style must I use?
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if self.classAttr:
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odtStyle = env.parser.caller.findStyle(
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self.elem, classValue=self.classAttr)
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if odtStyle and (odtStyle.name == 'podItemKeepWithNext'):
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itemStyle += '_kwn'
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styleName = env.itemStyles[itemStyle]
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else:
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# Check if a style must be applied on 'p' tags
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odtStyle = env.parser.caller.findStyle('p')
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if odtStyle:
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styleName = odtStyle.name
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else:
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styleName = env.itemStyles[itemStyle]
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env.dumpString(' %s:style-name="%s"' % (env.textNs, styleName))
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else:
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# Check if a style must be applied on 'p' tags
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odtStyle = env.parser.caller.findStyle('p')
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if odtStyle:
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env.dumpString(' %s:style-name="%s"' % (env.textNs,
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odtStyle.name))
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env.dumpString('>')
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self.tagsToClose.append(HtmlElement('p', {}))
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def dump(self, start, env):
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'''Dumps the start or end (depending on p_start) tag of this HTML
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element. We must take care of potential innerTags.'''
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# Compute the tag in itself
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tag = ''
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prefix = '<'
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if not start: prefix += '/'
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# Compute tag attributes
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attrs = ''
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if start:
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if self.elemType == 'list':
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# I must specify the list style
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attrs += ' %s:style-name="%s"' % (
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env.textNs, env.listStyles[self.elem])
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if self.elem == 'ol':
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# I have interrupted a numbered list. I need to continue
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# the numbering.
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attrs += ' %s:continue-numbering="true"' % env.textNs
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else:
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attrs = env.getOdtAttributes(self)
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tag = prefix + self.getOdfTag(env) + attrs + '>'
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# Close/open subTags if any
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for subElem in self.tagsToClose:
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subTag = subElem.dump(start, env)
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if start: tag += subTag
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else: tag = subTag + tag
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return tag
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def __repr__(self):
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return '<Html "%s">' % self.elem
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# ------------------------------------------------------------------------------
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class HtmlTable:
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'''Represents an HTML table, and also a sub-buffer. When parsing elements
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corresponding to an HTML table (<table>, <tr>, <td>, etc), we can't dump
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corresponding ODF elements directly into the global result buffer
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(XhtmlEnvironment.res). Indeed, when dumping an ODF table, we must
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dump columns declarations at the beginning of the table. So before
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dumping rows and cells, we must know how much columns will be present
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in the table. It means that we must first parse the first <tr> entirely
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in order to know how much columns are present in the HTML table before
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dumping the ODF table. So we use this class as a sub-buffer that will
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be constructed as we parse the HTML table; when encountering the end
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of the HTML table, we will dump the result of this sub-buffer into
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the parent buffer, which may be the global buffer or another table
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buffer.'''
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def __init__(self, env):
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elems = str(time.time()).split('.')
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self.name= 'AppyTable%s%s%d' % (elems[0],elems[1],random.randint(1,100))
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self.styleNs = env.ns[OdfEnvironment.NS_STYLE]
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self.res = u'' # The sub-buffer.
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self.tempRes = u'' # The temporary sub-buffer, into which we will
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# dump all table sub-elements, until we encounter the end of the first
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# row. Then, we will know how much columns are defined in the table;
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# we will dump columns declarations into self.res and dump self.tempRes
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# into self.res.
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self.firstRowParsed = False # Was the first table row completely parsed?
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self.nbOfColumns = 0
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# Are we currently within a table cell? Instead of a boolean, the field
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# stores an integer. The integer is > 1 if the cell spans more than one
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# column.
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self.inCell = 0
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# The index, within the current row, of the current cell
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self.cellIndex = -1
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# The size of the content of the currently parsed table cell
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self.cellContentSize = 0
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# The following list stores, for every column, the size of the biggest
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# content of all its cells.
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self.columnContentSizes = []
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# The following list stores, for every column, its width, if specified.
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# If widths are found, self.columnContentSizes will not be used:
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# self.columnWidths will be used instead.
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self.columnWidths = []
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def computeColumnStyles(self, renderer):
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'''Once the table has been completely parsed, self.columnContentSizes
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should be correctly filled. Based on this, we can deduce the width
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of every column and create the corresponding style declarations, in
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p_renderer.dynamicStyles.'''
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total = 65000.0 # A number representing the total width of the table
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# Use (a) self.columnWidths if complete, or
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# (b) self.columnContentSizes if complete, or
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# (c) a fixed width else.
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if self.columnWidths and (len(self.columnWidths) == self.nbOfColumns) \
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and (None not in self.columnWidths):
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# Use self.columnWidths
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toUse = self.columnWidths
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# Use self.columnContentSizes if complete
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elif (len(self.columnContentSizes) == self.nbOfColumns) and \
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(None not in self.columnContentSizes):
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# Use self.columnContentSizes
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toUse = self.columnContentSizes
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else:
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toUse = None
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if toUse:
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widths = []
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# Compute the sum of all column content sizes
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contentTotal = 0
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for size in toUse: contentTotal += size
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contentTotal = float(contentTotal)
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for size in toUse:
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width = int((size/contentTotal) * total)
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widths.append(width)
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else:
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# There was a problem while parsing the table. Set every column
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# with the same width.
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widths = [int(total/self.nbOfColumns)] * self.nbOfColumns
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# Compute style declaration corresponding to every column.
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s = self.styleNs
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i = 0
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for width in widths:
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i += 1
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# Compute the width of this column, relative to "total".
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decl = '<%s:style %s:name="%s.%d" %s:family="table-column">' \
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'<%s:table-column-properties %s:rel-column-width="%d*"' \
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'/></%s:style>' % (s, s, self.name, i, s, s, s, width, s)
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renderer.dynamicStyles.append(decl.encode('utf-8'))
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# ------------------------------------------------------------------------------
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class XhtmlEnvironment(XmlEnvironment):
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itemStyles = {'ul': 'podBulletItem', 'ol': 'podNumberItem',
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'ul_kwn': 'podBulletItemKeepWithNext',
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'ol_kwn': 'podNumberItemKeepWithNext'}
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listStyles = {'ul': 'podBulletedList', 'ol': 'podNumberedList'}
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def __init__(self, renderer):
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XmlEnvironment.__init__(self)
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self.renderer = renderer
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self.ns = renderer.currentParser.env.namespaces
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self.res = u''
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self.currentContent = u''
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self.currentElements = [] # Stack of currently walked elements
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self.currentLists = [] # Stack of currently walked lists (ul or ol)
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self.currentTables = [] # Stack of currently walked tables
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self.textNs = self.ns[OdfEnvironment.NS_TEXT]
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self.linkNs = self.ns[OdfEnvironment.NS_XLINK]
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self.tableNs = self.ns[OdfEnvironment.NS_TABLE]
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# The following attr will be True when parsing parts of the XHTML that
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# must be ignored.
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self.ignore = False
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def getCurrentElement(self, isList=False):
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'''Gets the element that is on the top of self.currentElements or
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self.currentLists.'''
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res = None
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if isList:
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elements = self.currentLists # Stack of list elements only
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else:
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elements = self.currentElements # Stack of all elements (including
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# elements also pushed on other stacks, like lists and tables).
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if elements:
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res = elements[-1]
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return res
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def anElementIsMissing(self, previousElem, currentElem):
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res = False
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if previousElem and (previousElem.elem in OUTER_TAGS) and \
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((not currentElem) or (currentElem.elem in INNER_TAGS)):
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res = True
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return res
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def dumpCurrentContent(self):
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'''Dumps content that was temporarily stored in self.currentContent
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into the result.'''
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contentSize = 0
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if self.currentContent.strip(' \n\r\t'): # NBSP must not be in this list
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# Manage missing elements
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currentElem = self.getCurrentElement()
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if self.anElementIsMissing(currentElem, None):
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currentElem.addInnerParagraph(self)
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# Dump and reinitialize the current content
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content = self.currentContent.strip('\n\t')
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# We remove leading and trailing carriage returns, but not
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# whitespace because whitespace may be part of the text to dump.
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contentSize = len(content)
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# We do not escape carriage returns, because, in XHTML, carriage
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# returns are just ignorable white space.
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self.dumpString(escapeXml(content))
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self.currentContent = u''
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# If we are within a table cell, update the total size of cell content.
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if self.currentTables and self.currentTables[-1].inCell:
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for table in self.currentTables:
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table.cellContentSize += contentSize
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def getOdtAttributes(self, htmlElem, htmlAttrs={}):
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'''Gets the ODT attributes to dump for p_currentElem. p_htmlAttrs are
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the parsed attributes from the XHTML p_currentElem.'''
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odtStyle = self.parser.caller.findStyle(htmlElem.elem, htmlAttrs)
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styleName = None
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if odtStyle:
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styleName = odtStyle.name
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elif DEFAULT_ODT_STYLES.has_key(htmlElem.elem):
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styleName = DEFAULT_ODT_STYLES[htmlElem.elem]
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res = ''
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if styleName:
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res += ' %s:style-name="%s"' % (self.textNs, styleName)
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if (htmlElem.elem in XHTML_HEADINGS) and \
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(odtStyle.outlineLevel != None):
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res += ' %s:outline-level="%d"' % (self.textNs, \
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odtStyle.outlineLevel)
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return res
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def dumpStyledElement(self, htmlElem, odfTag, attrs):
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'''Dumps an element that potentially has associated style
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information.'''
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self.dumpString('<' + odfTag)
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self.dumpString(self.getOdtAttributes(htmlElem, attrs))
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self.dumpString('>')
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def getTags(self, elems, start=True):
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'''This method returns a series of start or end tags (depending on
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p_start) that correspond to HtmlElement instances in p_elems.'''
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res = ''
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for elem in elems:
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tag = elem.dump(start, self)
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if start: res += tag
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else: res = tag + res
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return res
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def closeConflictualElements(self, conflictElems):
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'''This method dumps end tags for p_conflictElems, excepted if those
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tags would be empty. In this latter case, tags are purely removed
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from the result.'''
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startTags = self.getTags(conflictElems, start=True)
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if self.res.endswith(startTags):
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# In this case I would dump an empty (series of) tag(s). Instead, I
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# will remove those tags.
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self.res = self.res[:-len(startTags)]
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else:
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self.dumpString(self.getTags(conflictElems, start=False))
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def dumpString(self, s):
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'''Dumps arbitrary content p_s.
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If the table stack is not empty, we must dump p_s into the buffer
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corresponding to the last parsed table. Else, we must dump p_s
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into the global buffer (self.res).'''
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if self.currentTables:
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currentTable = self.currentTables[-1]
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if (not currentTable.res) or currentTable.firstRowParsed:
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currentTable.res += s
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else:
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currentTable.tempRes += s
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else:
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self.res += s
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def getTagsToReopen(self, conflictElems):
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'''Normally, tags to reopen are equal to p_conflictElems. But we have a
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special case. Indeed, if a conflict elem has itself tagsToClose,
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the last tag to close may not be needed anymore on the tag to
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reopen, so we remove it.'''
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conflictElems[-1].tagsToClose = []
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return conflictElems
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def onElementStart(self, elem, attrs):
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previousElem = self.getCurrentElement()
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self.dumpCurrentContent()
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currentElem = HtmlElement(elem, attrs)
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# Manage conflictual elements
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conflictElems = currentElem.getConflictualElements(self)
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if conflictElems:
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# We must close the conflictual elements, and once the currentElem
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# will be dumped, we will re-open the conflictual elements.
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self.closeConflictualElements(conflictElems)
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currentElem.tagsToReopen = self.getTagsToReopen(conflictElems)
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# Manage missing elements
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if self.anElementIsMissing(previousElem, currentElem):
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previousElem.addInnerParagraph(self)
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# Add the current element on the stack of walked elements
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self.currentElements.append(currentElem)
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if elem in XHTML_LISTS:
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# Update stack of current lists
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self.currentLists.append(currentElem)
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elif elem == 'table':
|
|
# Update stack of current tables
|
|
if not self.currentTables:
|
|
# We are within a table. If no local style mapping is defined
|
|
# for paragraphs, add a specific style mapping for a better
|
|
# rendering of cells' content.
|
|
caller = self.parser.caller
|
|
map = caller.localStylesMapping
|
|
if 'p' not in map:
|
|
map['p'] = Style('Appy_Table_Content', 'paragraph')
|
|
self.currentTables.append(HtmlTable(self))
|
|
elif elem in TABLE_CELL_TAGS:
|
|
# Determine colspan
|
|
colspan = 1
|
|
if attrs.has_key('colspan'): colspan = int(attrs['colspan'])
|
|
table = self.currentTables[-1]
|
|
table.inCell = colspan
|
|
table.cellIndex += colspan
|
|
# If we are in the first row of a table, update columns count
|
|
if not table.firstRowParsed:
|
|
table.nbOfColumns += colspan
|
|
if attrs.has_key('width') and (colspan == 1):
|
|
# Get the width, keep figures only.
|
|
width = ''
|
|
for c in attrs['width']:
|
|
if c.isdigit(): width += c
|
|
width = int(width)
|
|
# Ensure self.columnWidths is long enough
|
|
while (len(table.columnWidths)-1) < table.cellIndex:
|
|
table.columnWidths.append(None)
|
|
table.columnWidths[table.cellIndex] = width
|
|
return currentElem
|
|
|
|
def onElementEnd(self, elem):
|
|
res = None
|
|
self.dumpCurrentContent()
|
|
currentElem = self.currentElements.pop()
|
|
if elem in XHTML_LISTS:
|
|
self.currentLists.pop()
|
|
elif elem == 'table':
|
|
table = self.currentTables.pop()
|
|
# Computes the column styles required by the table
|
|
table.computeColumnStyles(self.parser.caller.renderer)
|
|
# Dumps the content of the last parsed table into the parent buffer
|
|
self.dumpString(table.res)
|
|
# Remove cell-paragraph from local styles mapping if it was added.
|
|
map = self.parser.caller.localStylesMapping
|
|
if not self.currentTables and ('p' in map):
|
|
mapValue = map['p']
|
|
if isinstance(mapValue, Style) and \
|
|
(mapValue.name == 'Appy_Table_Content'):
|
|
del map['p']
|
|
elif elem == 'tr':
|
|
table = self.currentTables[-1]
|
|
table.cellIndex = -1
|
|
if not table.firstRowParsed:
|
|
table.firstRowParsed = True
|
|
# First row is parsed. I know the number of columns in the
|
|
# table: I can dump the columns declarations.
|
|
for i in range(1, table.nbOfColumns + 1):
|
|
table.res+= '<%s:table-column %s:style-name="%s.%d"/>' % \
|
|
(self.tableNs, self.tableNs, table.name, i)
|
|
table.res += table.tempRes
|
|
table.tempRes = u''
|
|
elif elem in TABLE_CELL_TAGS:
|
|
# Update attr "columnContentSizes" of the currently parsed table,
|
|
# excepted if the cell spans several columns.
|
|
table = self.currentTables[-1]
|
|
if table.inCell == 1:
|
|
sizes = table.columnContentSizes
|
|
# Insert None values if the list is too small
|
|
while (len(sizes)-1) < table.cellIndex: sizes.append(None)
|
|
highest = max(sizes[table.cellIndex], table.cellContentSize, 5)
|
|
# Put a maximum
|
|
highest = min(highest, 100)
|
|
sizes[table.cellIndex] = highest
|
|
table.inCell = 0
|
|
table.cellContentSize = 0
|
|
if currentElem.tagsToClose:
|
|
self.closeConflictualElements(currentElem.tagsToClose)
|
|
if currentElem.tagsToReopen:
|
|
res = currentElem.tagsToReopen
|
|
return currentElem, res
|
|
|
|
# ------------------------------------------------------------------------------
|
|
class XhtmlParser(XmlParser):
|
|
def lowerizeInput(self, elem, attrs=None):
|
|
'''Because (X)HTML is case insensitive, we may receive input p_elem and
|
|
p_attrs in lower-, upper- or mixed-case. So here we produce lowercase
|
|
versions that will be used throughout our parser.'''
|
|
resElem = elem.lower()
|
|
resAttrs = attrs
|
|
if attrs:
|
|
resAttrs = {}
|
|
for attrName in attrs.keys():
|
|
resAttrs[attrName.lower()] = attrs[attrName]
|
|
if attrs == None:
|
|
return resElem
|
|
else:
|
|
return resElem, resAttrs
|
|
|
|
def startElement(self, elem, attrs):
|
|
elem, attrs = self.lowerizeInput(elem, attrs)
|
|
e = XmlParser.startElement(self, elem, attrs)
|
|
currentElem = e.onElementStart(elem, attrs)
|
|
odfTag = currentElem.getOdfTag(e)
|
|
|
|
if HTML_2_ODT.has_key(elem):
|
|
e.dumpStyledElement(currentElem, odfTag, attrs)
|
|
elif elem == 'a':
|
|
e.dumpString('<%s %s:type="simple"' % (odfTag, e.linkNs))
|
|
if attrs.has_key('href'):
|
|
e.dumpString(' %s:href="%s"' % (e.linkNs,
|
|
escapeXml(attrs['href'])))
|
|
e.dumpString('>')
|
|
elif elem in XHTML_LISTS:
|
|
prologue = ''
|
|
if len(e.currentLists) >= 2:
|
|
# It is a list into another list. In this case the inner list
|
|
# must be surrounded by a list-item element.
|
|
prologue = '<%s:list-item>' % e.textNs
|
|
numbering = ''
|
|
if elem == 'ol':
|
|
numbering = ' %s:continue-numbering="false"' % e.textNs
|
|
e.dumpString('%s<%s %s:style-name="%s"%s>' % (
|
|
prologue, odfTag, e.textNs, e.listStyles[elem], numbering))
|
|
elif elem in ('li', 'thead', 'tr'):
|
|
e.dumpString('<%s>' % odfTag)
|
|
elif elem == 'table':
|
|
# Here we must call "dumpString" only once
|
|
table = e.currentTables[-1]
|
|
e.dumpString('<%s %s:name="%s" %s:style-name="podTable">' % \
|
|
(odfTag, e.tableNs, table.name, e.tableNs))
|
|
elif elem in TABLE_CELL_TAGS:
|
|
e.dumpString('<%s %s:style-name="%s"' % \
|
|
(odfTag, e.tableNs, DEFAULT_ODT_STYLES[elem]))
|
|
if attrs.has_key('colspan'):
|
|
e.dumpString(' %s:number-columns-spanned="%s"' % \
|
|
(e.tableNs, attrs['colspan']))
|
|
e.dumpString('>')
|
|
elif elem == 'img':
|
|
style = None
|
|
if attrs.has_key('style'): style = attrs['style']
|
|
imgCode = e.renderer.importDocument(at=attrs['src'],
|
|
wrapInPara=False, style=style)
|
|
e.dumpString(imgCode)
|
|
elif elem in IGNORABLE_TAGS:
|
|
e.ignore = True
|
|
|
|
def endElement(self, elem):
|
|
elem = self.lowerizeInput(elem)
|
|
e = XmlParser.endElement(self, elem)
|
|
currentElem, elemsToReopen = e.onElementEnd(elem)
|
|
# Determine the tag to dump
|
|
startTag, endTag = currentElem.getOdfTags(e)
|
|
if currentElem.isConflictual:
|
|
# Compute the start tag, with potential styles applied
|
|
startTag = e.getTags((currentElem,), start=True)
|
|
if currentElem.isConflictual and e.res.endswith(startTag):
|
|
# We will not dump it, it would constitute a silly empty tag.
|
|
e.res = e.res[:-len(startTag)]
|
|
else:
|
|
# Dump the end tag. But dump some additional stuff if required.
|
|
if elem in XHTML_LISTS:
|
|
if len(e.currentLists) >= 1:
|
|
# We were in an inner list. So we must close the list-item
|
|
# tag that surrounds it.
|
|
endTag = '%s</%s:list-item>' % (endTag, e.textNs)
|
|
if endTag:
|
|
e.dumpString(endTag)
|
|
if elem in IGNORABLE_TAGS:
|
|
e.ignore = False
|
|
if elemsToReopen:
|
|
e.dumpString(e.getTags(elemsToReopen, start=True))
|
|
|
|
def characters(self, content):
|
|
e = XmlParser.characters(self, content)
|
|
if not e.ignore:
|
|
e.currentContent += content
|
|
|
|
# -------------------------------------------------------------------------------
|
|
class Xhtml2OdtConverter:
|
|
'''Converts a chunk of XHTML into a chunk of ODT.'''
|
|
def __init__(self, xhtmlString, encoding, stylesManager, localStylesMapping,
|
|
renderer):
|
|
self.renderer = renderer
|
|
self.xhtmlString = xhtmlString
|
|
self.encoding = encoding # Todo: manage encoding that is not utf-8
|
|
self.stylesManager = stylesManager
|
|
self.localStylesMapping = localStylesMapping
|
|
self.odtChunk = None
|
|
self.xhtmlParser = XhtmlParser(XhtmlEnvironment(renderer), self)
|
|
|
|
def run(self):
|
|
self.xhtmlParser.parse(self.xhtmlString)
|
|
return self.xhtmlParser.env.res
|
|
|
|
def findStyle(self, elem, attrs=None, classValue=None):
|
|
return self.stylesManager.findStyle(elem, attrs, classValue,
|
|
self.localStylesMapping)
|
|
# ------------------------------------------------------------------------------
|