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109 lines
3.6 KiB
109 lines
3.6 KiB
4 years ago
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from __future__ import absolute_import, unicode_literals
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from builtins import str
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import json
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from commonmark.node import is_container
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def prepare(obj, topnode=False):
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"""Walk the complete AST, only returning needed data.
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This removes circular references and allows us to output
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JSON.
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"""
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a = []
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for subnode, entered in obj.walker():
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rep = {
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'type': subnode.t,
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}
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if subnode.literal:
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rep['literal'] = subnode.literal
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if subnode.string_content:
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rep['string_content'] = subnode.string_content
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if subnode.title:
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rep['title'] = subnode.title
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if subnode.info:
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rep['info'] = subnode.info
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if subnode.destination:
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rep['destination'] = subnode.destination
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if subnode.list_data:
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rep['list_data'] = subnode.list_data
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if is_container(subnode):
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rep['children'] = []
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if entered and len(a) > 0:
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if a[-1]['children']:
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a[-1]['children'].append(rep)
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else:
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a[-1]['children'] = [rep]
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else:
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a.append(rep)
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return a
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def dumpJSON(obj):
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"""Output AST in JSON form, this is destructive of block."""
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prepared = prepare(obj)
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return json.dumps(prepared, indent=4, sort_keys=True)
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def dumpAST(obj, ind=0, topnode=False):
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"""Print out a block/entire AST."""
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indChar = ("\t" * ind) + "-> " if ind else ""
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print(indChar + "[" + obj.t + "]")
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if not obj.title == "":
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print("\t" + indChar + "Title: " + (obj.title or ''))
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if not obj.info == "":
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print("\t" + indChar + "Info: " + (obj.info or ''))
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if not obj.destination == "":
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print("\t" + indChar + "Destination: " + (obj.destination or ''))
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if obj.is_open:
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print("\t" + indChar + "Open: " + str(obj.is_open))
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if obj.last_line_blank:
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print(
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"\t" + indChar + "Last line blank: " + str(obj.last_line_blank))
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if obj.sourcepos:
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print("\t" + indChar + "Sourcepos: " + str(obj.sourcepos))
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if not obj.string_content == "":
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print("\t" + indChar + "String content: " + (obj.string_content or ''))
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if not obj.info == "":
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print("\t" + indChar + "Info: " + (obj.info or ''))
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if not obj.literal == "":
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print("\t" + indChar + "Literal: " + (obj.literal or ''))
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if obj.list_data.get('type'):
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print("\t" + indChar + "List Data: ")
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print("\t\t" + indChar + "[type] = " + obj.list_data.get('type'))
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if obj.list_data.get('bullet_char'):
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print(
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"\t\t" + indChar + "[bullet_char] = " +
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obj.list_data['bullet_char'])
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if obj.list_data.get('start'):
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print(
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"\t\t" + indChar + "[start] = " +
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str(obj.list_data.get('start')))
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if obj.list_data.get('delimiter'):
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print(
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"\t\t" + indChar + "[delimiter] = " +
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obj.list_data.get('delimiter'))
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if obj.list_data.get('padding'):
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print(
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"\t\t" + indChar + "[padding] = " +
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str(obj.list_data.get('padding')))
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if obj.list_data.get('marker_offset'):
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print(
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"\t\t" + indChar + "[marker_offset] = " +
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str(obj.list_data.get('marker_offset')))
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if obj.walker:
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print("\t" + indChar + "Children:")
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walker = obj.walker()
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nxt = walker.nxt()
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while nxt is not None and topnode is False:
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dumpAST(nxt['node'], ind + 2, topnode=True)
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nxt = walker.nxt()
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