mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-25 12:33:41 +00:00
656d8da9d2
Commit ad7061ed74 ("doc: Move device tree bindings documentation to
doc/device-tree-bindings") moved all device tree binding documentation
to doc/device-tree-bindings directory.
The current U-Boot project still have two documentation directories:
- doc/
- Documentation/
Move all documentation and sphinx files to doc directory so all content
can be in a common place.
Signed-off-by: Breno Lima <breno.lima@nxp.com>
376 lines
13 KiB
Python
Executable file
376 lines
13 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf-8; mode: python -*-
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# pylint: disable=C0330, R0903, R0912
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u"""
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flat-table
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~~~~~~~~~~
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Implementation of the ``flat-table`` reST-directive.
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:copyright: Copyright (C) 2016 Markus Heiser
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:license: GPL Version 2, June 1991 see linux/COPYING for details.
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The ``flat-table`` (:py:class:`FlatTable`) is a double-stage list similar to
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the ``list-table`` with some additional features:
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* *column-span*: with the role ``cspan`` a cell can be extended through
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additional columns
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* *row-span*: with the role ``rspan`` a cell can be extended through
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additional rows
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* *auto span* rightmost cell of a table row over the missing cells on the
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right side of that table-row. With Option ``:fill-cells:`` this behavior
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can changed from *auto span* to *auto fill*, which automaticly inserts
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(empty) cells instead of spanning the last cell.
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Options:
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* header-rows: [int] count of header rows
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* stub-columns: [int] count of stub columns
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* widths: [[int] [int] ... ] widths of columns
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* fill-cells: instead of autospann missing cells, insert missing cells
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roles:
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* cspan: [int] additionale columns (*morecols*)
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* rspan: [int] additionale rows (*morerows*)
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"""
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# ==============================================================================
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# imports
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# ==============================================================================
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import sys
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from docutils import nodes
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from docutils.parsers.rst import directives, roles
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from docutils.parsers.rst.directives.tables import Table
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from docutils.utils import SystemMessagePropagation
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# ==============================================================================
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# common globals
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# ==============================================================================
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# The version numbering follows numbering of the specification
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# (doc/books/kernel-doc-HOWTO).
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__version__ = '1.0'
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PY3 = sys.version_info[0] == 3
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PY2 = sys.version_info[0] == 2
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if PY3:
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# pylint: disable=C0103, W0622
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unicode = str
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basestring = str
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# ==============================================================================
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def setup(app):
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# ==============================================================================
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app.add_directive("flat-table", FlatTable)
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roles.register_local_role('cspan', c_span)
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roles.register_local_role('rspan', r_span)
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return dict(
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version = __version__,
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parallel_read_safe = True,
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parallel_write_safe = True
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)
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# ==============================================================================
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def c_span(name, rawtext, text, lineno, inliner, options=None, content=None):
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# ==============================================================================
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# pylint: disable=W0613
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options = options if options is not None else {}
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content = content if content is not None else []
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nodelist = [colSpan(span=int(text))]
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msglist = []
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return nodelist, msglist
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# ==============================================================================
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def r_span(name, rawtext, text, lineno, inliner, options=None, content=None):
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# ==============================================================================
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# pylint: disable=W0613
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options = options if options is not None else {}
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content = content if content is not None else []
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nodelist = [rowSpan(span=int(text))]
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msglist = []
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return nodelist, msglist
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# ==============================================================================
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class rowSpan(nodes.General, nodes.Element): pass # pylint: disable=C0103,C0321
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class colSpan(nodes.General, nodes.Element): pass # pylint: disable=C0103,C0321
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# ==============================================================================
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# ==============================================================================
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class FlatTable(Table):
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# ==============================================================================
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u"""FlatTable (``flat-table``) directive"""
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option_spec = {
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'name': directives.unchanged
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, 'class': directives.class_option
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, 'header-rows': directives.nonnegative_int
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, 'stub-columns': directives.nonnegative_int
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, 'widths': directives.positive_int_list
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, 'fill-cells' : directives.flag }
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def run(self):
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if not self.content:
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error = self.state_machine.reporter.error(
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'The "%s" directive is empty; content required.' % self.name,
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nodes.literal_block(self.block_text, self.block_text),
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line=self.lineno)
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return [error]
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title, messages = self.make_title()
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node = nodes.Element() # anonymous container for parsing
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self.state.nested_parse(self.content, self.content_offset, node)
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tableBuilder = ListTableBuilder(self)
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tableBuilder.parseFlatTableNode(node)
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tableNode = tableBuilder.buildTableNode()
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# SDK.CONSOLE() # print --> tableNode.asdom().toprettyxml()
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if title:
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tableNode.insert(0, title)
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return [tableNode] + messages
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# ==============================================================================
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class ListTableBuilder(object):
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# ==============================================================================
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u"""Builds a table from a double-stage list"""
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def __init__(self, directive):
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self.directive = directive
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self.rows = []
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self.max_cols = 0
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def buildTableNode(self):
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colwidths = self.directive.get_column_widths(self.max_cols)
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if isinstance(colwidths, tuple):
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# Since docutils 0.13, get_column_widths returns a (widths,
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# colwidths) tuple, where widths is a string (i.e. 'auto').
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# See https://sourceforge.net/p/docutils/patches/120/.
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colwidths = colwidths[1]
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stub_columns = self.directive.options.get('stub-columns', 0)
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header_rows = self.directive.options.get('header-rows', 0)
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table = nodes.table()
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tgroup = nodes.tgroup(cols=len(colwidths))
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table += tgroup
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for colwidth in colwidths:
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colspec = nodes.colspec(colwidth=colwidth)
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# FIXME: It seems, that the stub method only works well in the
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# absence of rowspan (observed by the html buidler, the docutils-xml
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# build seems OK). This is not extraordinary, because there exists
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# no table directive (except *this* flat-table) which allows to
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# define coexistent of rowspan and stubs (there was no use-case
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# before flat-table). This should be reviewed (later).
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if stub_columns:
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colspec.attributes['stub'] = 1
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stub_columns -= 1
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tgroup += colspec
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stub_columns = self.directive.options.get('stub-columns', 0)
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if header_rows:
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thead = nodes.thead()
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tgroup += thead
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for row in self.rows[:header_rows]:
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thead += self.buildTableRowNode(row)
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tbody = nodes.tbody()
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tgroup += tbody
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for row in self.rows[header_rows:]:
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tbody += self.buildTableRowNode(row)
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return table
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def buildTableRowNode(self, row_data, classes=None):
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classes = [] if classes is None else classes
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row = nodes.row()
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for cell in row_data:
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if cell is None:
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continue
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cspan, rspan, cellElements = cell
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attributes = {"classes" : classes}
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if rspan:
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attributes['morerows'] = rspan
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if cspan:
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attributes['morecols'] = cspan
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entry = nodes.entry(**attributes)
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entry.extend(cellElements)
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row += entry
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return row
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def raiseError(self, msg):
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error = self.directive.state_machine.reporter.error(
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msg
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, nodes.literal_block(self.directive.block_text
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, self.directive.block_text)
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, line = self.directive.lineno )
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raise SystemMessagePropagation(error)
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def parseFlatTableNode(self, node):
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u"""parses the node from a :py:class:`FlatTable` directive's body"""
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if len(node) != 1 or not isinstance(node[0], nodes.bullet_list):
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self.raiseError(
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'Error parsing content block for the "%s" directive: '
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'exactly one bullet list expected.' % self.directive.name )
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for rowNum, rowItem in enumerate(node[0]):
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row = self.parseRowItem(rowItem, rowNum)
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self.rows.append(row)
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self.roundOffTableDefinition()
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def roundOffTableDefinition(self):
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u"""Round off the table definition.
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This method rounds off the table definition in :py:member:`rows`.
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* This method inserts the needed ``None`` values for the missing cells
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arising from spanning cells over rows and/or columns.
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* recount the :py:member:`max_cols`
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* Autospan or fill (option ``fill-cells``) missing cells on the right
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side of the table-row
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"""
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y = 0
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while y < len(self.rows):
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x = 0
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while x < len(self.rows[y]):
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cell = self.rows[y][x]
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if cell is None:
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x += 1
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continue
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cspan, rspan = cell[:2]
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# handle colspan in current row
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for c in range(cspan):
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try:
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self.rows[y].insert(x+c+1, None)
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except: # pylint: disable=W0702
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# the user sets ambiguous rowspans
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pass # SDK.CONSOLE()
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# handle colspan in spanned rows
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for r in range(rspan):
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for c in range(cspan + 1):
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try:
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self.rows[y+r+1].insert(x+c, None)
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except: # pylint: disable=W0702
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# the user sets ambiguous rowspans
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pass # SDK.CONSOLE()
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x += 1
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y += 1
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# Insert the missing cells on the right side. For this, first
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# re-calculate the max columns.
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for row in self.rows:
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if self.max_cols < len(row):
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self.max_cols = len(row)
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# fill with empty cells or cellspan?
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fill_cells = False
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if 'fill-cells' in self.directive.options:
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fill_cells = True
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for row in self.rows:
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x = self.max_cols - len(row)
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if x and not fill_cells:
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if row[-1] is None:
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row.append( ( x - 1, 0, []) )
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else:
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cspan, rspan, content = row[-1]
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row[-1] = (cspan + x, rspan, content)
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elif x and fill_cells:
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for i in range(x):
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row.append( (0, 0, nodes.comment()) )
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def pprint(self):
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# for debugging
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retVal = "[ "
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for row in self.rows:
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retVal += "[ "
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for col in row:
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if col is None:
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retVal += ('%r' % col)
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retVal += "\n , "
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else:
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content = col[2][0].astext()
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if len (content) > 30:
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content = content[:30] + "..."
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retVal += ('(cspan=%s, rspan=%s, %r)'
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% (col[0], col[1], content))
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retVal += "]\n , "
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retVal = retVal[:-2]
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retVal += "]\n , "
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retVal = retVal[:-2]
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return retVal + "]"
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def parseRowItem(self, rowItem, rowNum):
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row = []
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childNo = 0
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error = False
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cell = None
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target = None
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for child in rowItem:
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if (isinstance(child , nodes.comment)
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or isinstance(child, nodes.system_message)):
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pass
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elif isinstance(child , nodes.target):
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target = child
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elif isinstance(child, nodes.bullet_list):
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childNo += 1
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cell = child
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else:
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error = True
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break
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if childNo != 1 or error:
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self.raiseError(
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'Error parsing content block for the "%s" directive: '
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'two-level bullet list expected, but row %s does not '
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'contain a second-level bullet list.'
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% (self.directive.name, rowNum + 1))
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for cellItem in cell:
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cspan, rspan, cellElements = self.parseCellItem(cellItem)
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if target is not None:
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cellElements.insert(0, target)
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row.append( (cspan, rspan, cellElements) )
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return row
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def parseCellItem(self, cellItem):
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# search and remove cspan, rspan colspec from the first element in
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# this listItem (field).
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cspan = rspan = 0
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if not len(cellItem):
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return cspan, rspan, []
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for elem in cellItem[0]:
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if isinstance(elem, colSpan):
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cspan = elem.get("span")
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elem.parent.remove(elem)
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continue
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if isinstance(elem, rowSpan):
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rspan = elem.get("span")
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elem.parent.remove(elem)
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continue
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return cspan, rspan, cellItem[:]
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