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""" |
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SDoc |
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Copyright 2016 Set Based IT Consultancy |
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Licence MIT |
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""" |
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# ---------------------------------------------------------------------------------------------------------------------- |
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import sdoc |
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from sdoc.sdoc2 import in_scope, out_scope |
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from sdoc.sdoc2.node.Node import Node |
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from sdoc.sdoc2.node.TextNode import TextNode |
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from sdoc.sdoc2.node.EndParagraphNode import EndParagraphNode |
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from sdoc.sdoc2.helper.Enumerable import Enumerable |
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class HeadingNode(Node): |
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""" |
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Abstract class for heading nodes. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __init__(self, name, options, argument): |
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""" |
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Object constructor. |
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:param str name: The (command) name of this heading. |
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:param dict[str,str] options: The options of this heading. |
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:param str argument: The title of this heading. |
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""" |
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super().__init__(name, options, argument) |
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# ------------------------------------------------------------------------------------------------------------------ |
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def get_hierarchy_name(self): |
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""" |
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Returns 'sectioning'. |
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:rtype: str |
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""" |
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return 'sectioning' |
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# ------------------------------------------------------------------------------------------------------------------ |
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def is_block_command(self): |
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""" |
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Returns False. |
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:rtype: bool |
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""" |
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return False |
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# ------------------------------------------------------------------------------------------------------------------ |
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def is_inline_command(self): |
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""" |
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Returns True. |
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:rtype: bool |
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""" |
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return True |
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# ------------------------------------------------------------------------------------------------------------------ |
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def number(self, enumerable_numbers): |
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""" |
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Sets number of heading nodes. |
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:param dict[str,sdoc.sdoc2.helper.Enumerable.Enumerable] enumerable_numbers: |
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""" |
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if 'heading' not in enumerable_numbers: |
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enumerable_numbers['heading'] = Enumerable() |
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enumerable_numbers['heading'].get_numeration(self.get_hierarchy_level()) |
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enumerable_numbers['heading'].increment_last_level() |
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self._options['number'] = enumerable_numbers['heading'].get_string() |
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super().number(enumerable_numbers) |
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# ------------------------------------------------------------------------------------------------------------------ |
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def prepare_content_tree(self): |
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""" |
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Prepares the content tree. Create paragraph nodes. |
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""" |
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super().prepare_content_tree() |
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# Adding the id's of splitted text in 'new_child_nodes1' list. |
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self.split_text_nodes() |
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# Creating paragraphs and add all id's in 'new_child_nodes2' list. |
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self.create_paragraphs() |
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# ------------------------------------------------------------------------------------------------------------------ |
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def split_text_nodes(self): |
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""" |
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Replaces single text nodes that contains a paragraph separator (i.e. a double new line) with multiple text nodes |
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without paragraph separator. |
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""" |
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new_child_nodes = [] |
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for node_id in self.child_nodes: |
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node = in_scope(node_id) |
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if isinstance(node, TextNode): |
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list_ids = node.split_by_paragraph() |
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for ids in list_ids: |
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new_child_nodes.append(ids) |
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else: |
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new_child_nodes.append(node.id) |
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out_scope(node) |
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self.child_nodes = new_child_nodes |
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# ------------------------------------------------------------------------------------------------------------------ |
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def create_paragraphs(self): |
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""" |
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Create paragraph nodes. |
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A paragraph consists of phrasing nodes only. Each continuous slice of phrasing child nodes is move to a |
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paragraph node. |
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""" |
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new_child_nodes = [] |
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paragraph_node = None |
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for node_id in self.child_nodes: |
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node = in_scope(node_id) |
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if node.is_phrasing(): |
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if not paragraph_node: |
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paragraph_node = sdoc.sdoc2.node_store.create_inline_node('paragraph') |
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new_child_nodes.append(paragraph_node.id) |
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paragraph_node.append_child_node(node) |
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else: |
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if paragraph_node: |
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paragraph_node.prune_whitespace() |
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sdoc.sdoc2.node_store.store_node(paragraph_node) |
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paragraph_node = None |
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# End paragraph nodes are created temporary to separate paragraphs in a flat list of (text) node. There |
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# role ae replaced by the content hierarchy now. So, we must no store end paragraph nodes. |
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if not isinstance(node, EndParagraphNode): |
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new_child_nodes.append(node.id) |
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out_scope(node) |
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if paragraph_node: |
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paragraph_node.prune_whitespace() |
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sdoc.sdoc2.node_store.store_node(paragraph_node) |
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# paragraph_node = None |
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# Setting child nodes. |
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self.child_nodes = new_child_nodes |
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# ---------------------------------------------------------------------------------------------------------------------- |
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Methods which raise
NotImplementedError
should be overridden in concrete child classes.