sdoc.sdoc2.node.HeadingNode.create_paragraphs() - Code Metrics - Inspection of "Merge pull request #28 from OlegKlimenko/sdoc-26" - SDoc/py-sdoc - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by P.R.

created 2016-04-12 20:14 UTC

sdoc.sdoc2.node.HeadingNode.create_paragraphs() C

↳ Parent: HeadingNode

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Metric	Value
cc	7
dl	0
loc	39
rs	5.5

"""
SDoc

Copyright 2016 Set Based IT Consultancy

Licence MIT
"""
# ----------------------------------------------------------------------------------------------------------------------
import sdoc
from sdoc.sdoc2 import in_scope, out_scope
from sdoc.sdoc2.node.Node import Node
from sdoc.sdoc2.node.TextNode import TextNode
from sdoc.sdoc2.node.EndParagraphNode import EndParagraphNode


class HeadingNode(Node):

    """
    Abstract class for heading nodes.
    """
    # ------------------------------------------------------------------------------------------------------------------
    def __init__(self, name, options, argument):
        """
        Object constructor.

        :param str name: The (command) name of this heading.
        :param dict[str,str] options: The options of this heading.
        :param str argument: The title of this heading.
        """
        super().__init__(name, options, argument)

    # ------------------------------------------------------------------------------------------------------------------
    def get_hierarchy_name(self):
        """
        Returns 'sectioning'.

        :rtype: str
        """
        return 'sectioning'

    # ------------------------------------------------------------------------------------------------------------------
    def is_block_command(self):
        """
        Returns False.

        :rtype: bool
        """
        return False

    # ------------------------------------------------------------------------------------------------------------------
    def is_inline_command(self):
        """
        Returns True.

        :rtype: bool
        """
        return True

    # ------------------------------------------------------------------------------------------------------------------
    @staticmethod
    def _trim_levels(string_of_numbers):
        """
        Strips all starting '0's and add one starting '0' symbol if number starts from '0'.

        :param str string_of_numbers: String with header node number.

        :rtype: str
        """
        if string_of_numbers.startswith('0'):
            string_of_numbers = string_of_numbers.lstrip('0.')
            string_of_numbers = '0.{0!s}'.format(string_of_numbers)

        return string_of_numbers

    # ------------------------------------------------------------------------------------------------------------------
    @staticmethod
    def get_numeration(enumerable_numbers, level):
        """
        Returns the current enumeration of headings at a heading level.

        :param dict[str,str] enumerable_numbers: The current numbers of enumerable nodes.
        :param int level: The level of nested heading.

        :rtype: str
        """
        if 'heading' not in enumerable_numbers:
            heading_numbers = []

            for _ in range(level):
                heading_numbers.append('0')
        else:
            heading_numbers = enumerable_numbers['heading'].split('.')

            if level > len(heading_numbers):
                for _ in range(level-len(heading_numbers)):
                    heading_numbers.append('0')

        return '.'.join(heading_numbers[:level])

    # ------------------------------------------------------------------------------------------------------------------
    @staticmethod
    def _increment_last_level(enumerable_numbers):
        """
        Increments the last level in number of a heading number.

        :param dict[str,str] enumerable_numbers: The current numbers of enumerable nodes.

        :rtype: str
        """
        heading_numbers = enumerable_numbers['heading'].split('.')
        heading_numbers[-1] = str(int(heading_numbers[-1]) + 1)

        return '.'.join(heading_numbers)

    # ------------------------------------------------------------------------------------------------------------------
    def number(self, enumerable_numbers):
        """
        Sets number of heading nodes.

        :param dict[str,str] enumerable_numbers: The current numbers of enumerable nodes.
        """
        enumerable_numbers['heading'] = self.get_numeration(enumerable_numbers, self.get_hierarchy_level())
        enumerable_numbers['heading'] = self._increment_last_level(enumerable_numbers)

        self._options['number'] = self._trim_levels(enumerable_numbers['heading'])

        super().number(enumerable_numbers)

    # ------------------------------------------------------------------------------------------------------------------
    def prepare_content_tree(self):
        """
        Prepares the content tree. Create paragraph nodes.
        """

        super().prepare_content_tree()

        # Adding the id's of splitted text in 'new_child_nodes1' list.
        self.split_text_nodes()

        # Creating paragraphs and add all id's in 'new_child_nodes2' list.
        self.create_paragraphs()

    # ------------------------------------------------------------------------------------------------------------------
    def split_text_nodes(self):
        """
        Replaces single text nodes that contains a paragraph separator (i.e. a double new line) with multiple text nodes
        without paragraph separator.
        """
        new_child_nodes = []

        for node_id in self.child_nodes:
            node = in_scope(node_id)

            if isinstance(node, TextNode):
                list_ids = node.split_by_paragraph()
                for ids in list_ids:
                    new_child_nodes.append(ids)
            else:
                new_child_nodes.append(node.id)

            out_scope(node)

        self.child_nodes = new_child_nodes

    # ------------------------------------------------------------------------------------------------------------------
    def create_paragraphs(self):
        """
        Create paragraph nodes.

        A paragraph consists of phrasing nodes only. Each continuous slice of phrasing child nodes is move to a
        paragraph node.
        """
        new_child_nodes = []
        paragraph_node = None

        for node_id in self.child_nodes:
            node = in_scope(node_id)

            if node.is_phrasing():
                if not paragraph_node:
                    paragraph_node = sdoc.sdoc2.node_store.create_inline_node('paragraph')
                    new_child_nodes.append(paragraph_node.id)

                paragraph_node.append_child_node(node)
            else:
                if paragraph_node:
                    paragraph_node.prune_whitespace()
                    sdoc.sdoc2.node_store.store_node(paragraph_node)
                    paragraph_node = None

                # End paragraph nodes are created temporary to separate paragraphs in a flat list of (text) node. There
                # role ae replaced by the content hierarchy now. So, we must no store end paragraph nodes.
                if not isinstance(node, EndParagraphNode):
                    new_child_nodes.append(node.id)

            out_scope(node)

        if paragraph_node:
            paragraph_node.prune_whitespace()
            sdoc.sdoc2.node_store.store_node(paragraph_node)
            # paragraph_node = None

        # Setting child nodes.
        self.child_nodes = new_child_nodes

# ----------------------------------------------------------------------------------------------------------------------


1			"""
2			SDoc
3
4			Copyright 2016 Set Based IT Consultancy
5
6			Licence MIT
7			"""
8			# ----------------------------------------------------------------------------------------------------------------------
9			import sdoc
10			from sdoc.sdoc2 import in_scope, out_scope
11			from sdoc.sdoc2.node.Node import Node
12			from sdoc.sdoc2.node.TextNode import TextNode
13			from sdoc.sdoc2.node.EndParagraphNode import EndParagraphNode
14
15
16			class HeadingNode(Node):
			0 ignored issues – show Bug introduced 2016-03-12 18:25 UTC by Report Bug Copy Issue Report The method `get_command` which was declared abstract in the super-class `Node` was not overridden. Methods which raise `NotImplementedError` should be overridden in concrete child classes. Loading history...
17			"""
18			Abstract class for heading nodes.
19			"""
20			# ------------------------------------------------------------------------------------------------------------------
21			def __init__(self, name, options, argument):
22			"""
23			Object constructor.
24
25			:param str name: The (command) name of this heading.
26			:param dict[str,str] options: The options of this heading.
27			:param str argument: The title of this heading.
28			"""
29			super().__init__(name, options, argument)
30
31			# ------------------------------------------------------------------------------------------------------------------
32			def get_hierarchy_name(self):
33			"""
34			Returns 'sectioning'.
35
36			:rtype: str
37			"""
38			return 'sectioning'
39
40			# ------------------------------------------------------------------------------------------------------------------
41			def is_block_command(self):
42			"""
43			Returns False.
44
45			:rtype: bool
46			"""
47			return False
48
49			# ------------------------------------------------------------------------------------------------------------------
50			def is_inline_command(self):
51			"""
52			Returns True.
53
54			:rtype: bool
55			"""
56			return True
57
58			# ------------------------------------------------------------------------------------------------------------------
59			@staticmethod
60			def _trim_levels(string_of_numbers):
61			"""
62			Strips all starting '0's and add one starting '0' symbol if number starts from '0'.
63
64			:param str string_of_numbers: String with header node number.
65
66			:rtype: str
67			"""
68			if string_of_numbers.startswith('0'):
69			string_of_numbers = string_of_numbers.lstrip('0.')
70			string_of_numbers = '0.{0!s}'.format(string_of_numbers)
71
72			return string_of_numbers
73
74			# ------------------------------------------------------------------------------------------------------------------
75			@staticmethod
76			def get_numeration(enumerable_numbers, level):
77			"""
78			Returns the current enumeration of headings at a heading level.
79
80			:param dict[str,str] enumerable_numbers: The current numbers of enumerable nodes.
81			:param int level: The level of nested heading.
82
83			:rtype: str
84			"""
85			if 'heading' not in enumerable_numbers:
86			heading_numbers = []
87
88			for _ in range(level):
89			heading_numbers.append('0')
90			else:
91			heading_numbers = enumerable_numbers['heading'].split('.')
92
93			if level > len(heading_numbers):
94			for _ in range(level-len(heading_numbers)):
95			heading_numbers.append('0')
96
97			return '.'.join(heading_numbers[:level])
98
99			# ------------------------------------------------------------------------------------------------------------------
100			@staticmethod
101			def _increment_last_level(enumerable_numbers):
102			"""
103			Increments the last level in number of a heading number.
104
105			:param dict[str,str] enumerable_numbers: The current numbers of enumerable nodes.
106
107			:rtype: str
108			"""
109			heading_numbers = enumerable_numbers['heading'].split('.')
110			heading_numbers[-1] = str(int(heading_numbers[-1]) + 1)
111
112			return '.'.join(heading_numbers)
113
114			# ------------------------------------------------------------------------------------------------------------------
115			def number(self, enumerable_numbers):
116			"""
117			Sets number of heading nodes.
118
119			:param dict[str,str] enumerable_numbers: The current numbers of enumerable nodes.
120			"""
121			enumerable_numbers['heading'] = self.get_numeration(enumerable_numbers, self.get_hierarchy_level())
122			enumerable_numbers['heading'] = self._increment_last_level(enumerable_numbers)
123
124			self._options['number'] = self._trim_levels(enumerable_numbers['heading'])
125
126			super().number(enumerable_numbers)
127
128			# ------------------------------------------------------------------------------------------------------------------
129			def prepare_content_tree(self):
130			"""
131			Prepares the content tree. Create paragraph nodes.
132			"""
133
134			super().prepare_content_tree()
135
136			# Adding the id's of splitted text in 'new_child_nodes1' list.
137			self.split_text_nodes()
138
139			# Creating paragraphs and add all id's in 'new_child_nodes2' list.
140			self.create_paragraphs()
141
142			# ------------------------------------------------------------------------------------------------------------------
143			def split_text_nodes(self):
144			"""
145			Replaces single text nodes that contains a paragraph separator (i.e. a double new line) with multiple text nodes
146			without paragraph separator.
147			"""
148			new_child_nodes = []
149
150			for node_id in self.child_nodes:
151			node = in_scope(node_id)
152
153			if isinstance(node, TextNode):
154			list_ids = node.split_by_paragraph()
155			for ids in list_ids:
156			new_child_nodes.append(ids)
157			else:
158			new_child_nodes.append(node.id)
159
160			out_scope(node)
161
162			self.child_nodes = new_child_nodes
163
164			# ------------------------------------------------------------------------------------------------------------------
165			def create_paragraphs(self):
166			"""
167			Create paragraph nodes.
168
169			A paragraph consists of phrasing nodes only. Each continuous slice of phrasing child nodes is move to a
170			paragraph node.
171			"""
172			new_child_nodes = []
173			paragraph_node = None
174
175			for node_id in self.child_nodes:
176			node = in_scope(node_id)
177
178			if node.is_phrasing():
179			if not paragraph_node:
180			paragraph_node = sdoc.sdoc2.node_store.create_inline_node('paragraph')
181			new_child_nodes.append(paragraph_node.id)
182
183			paragraph_node.append_child_node(node)
184			else:
185			if paragraph_node:
186			paragraph_node.prune_whitespace()
187			sdoc.sdoc2.node_store.store_node(paragraph_node)
188			paragraph_node = None
189
190			# End paragraph nodes are created temporary to separate paragraphs in a flat list of (text) node. There
191			# role ae replaced by the content hierarchy now. So, we must no store end paragraph nodes.
192			if not isinstance(node, EndParagraphNode):
193			new_child_nodes.append(node.id)
194
195			out_scope(node)
196
197			if paragraph_node:
198			paragraph_node.prune_whitespace()
199			sdoc.sdoc2.node_store.store_node(paragraph_node)
200			# paragraph_node = None
201
202			# Setting child nodes.
203			self.child_nodes = new_child_nodes
204
205			# ----------------------------------------------------------------------------------------------------------------------
206

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