43 lines
No EOL
1.5 KiB
Python
43 lines
No EOL
1.5 KiB
Python
# Renderer for Object Diagrams textual concrete syntax
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from services import od
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from services.bottom.V0 import Bottom
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import json
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def display_value(val: any):
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if isinstance(val, str):
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return '"'+val+'"'
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elif isinstance(val, int) or isinstance(val, bool):
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return str(val)
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else:
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raise Exception("don't know how to display value" + str(val))
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def render_od(state, m_id, mm_id, hide_names=True):
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bottom = Bottom(state)
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output = ""
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m_od = od.OD(mm_id, m_id, state)
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def display_name(name: str):
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# object names that start with "__" are hidden
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return name if (name[0:2] != "__" or not hide_names) else ""
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def write_attributes(object_node):
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o = ""
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for attr_name, slot_node in m_od.get_slots(object_node):
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value = m_od.read_slot(slot_node)
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o += f" {attr_name} = {display_value(value)}\n"
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return o
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for class_name, objects in m_od.get_all_objects().items():
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for object_name, object_node in objects.items():
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output += f"{display_name(object_name)}:{class_name}\n"
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output += write_attributes(object_node)
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for assoc_name, links in m_od.get_all_links().items():
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for link_name, (link_edge, src_name, tgt_name) in links.items():
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output += f"{display_name(link_name)}:{assoc_name} ({src_name} -> {tgt_name})\n"
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# links can also have slots:
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output += write_attributes(link_edge)
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return output |