Source code for pm4py.visualization.common.svg_pos_parser

'''
    PM4Py – A Process Mining Library for Python
Copyright (C) 2024 Process Intelligence Solutions UG (haftungsbeschränkt)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see this software project's root or
visit <https://www.gnu.org/licenses/>.

Website: https://processintelligence.solutions
Contact: info@processintelligence.solutions
'''

import xml.etree.ElementTree as ET
from typing import Dict, Any, Tuple




def apply(file_name: str) -> Tuple[Dict[str, Any], Dict[str, Any]]:
    tree = ET.parse(file_name)
    root = tree.getroot()
    nodes = {}
    edges = {}
    for child in root:
        for child2 in child:
            this_class = child2.get("class")
            if this_class in ["cluster", "node", "edge"]:
                title = None
                label_x = None
                label_y = None
                label_text = None
                polygon = None
                waypoints = None
                for child3 in child2:
                    if child3.tag.endswith("title"):
                        title = child3.text
                    elif child3.tag.endswith("text"):
                        label_x = child3.get("x")
                        label_y = child3.get("y")
                        label_text = child3.text
                    elif child3.tag.endswith("polygon"):
                        polygon = child3.get("points").split(" ")
                        polygon = [x.split(",") for x in polygon]
                        polygon = tuple(
                            (float(x[0]), float(x[1])) for x in polygon
                        )
                    elif child3.tag.endswith("path"):
                        pa = child3.get("d").replace("C", " ")[1:]
                        waypoints = pa.split()
                        waypoints = [x.split(",") for x in waypoints]
                        waypoints = [
                            (float(x[0]), float(x[1])) for x in waypoints
                        ]

                if this_class == "node" or this_class == "cluster":
                    key_name = title
                    if this_class == "cluster":
                        key_name = key_name.split(this_class)[-1]
                    nodes[key_name] = {
                        "label": label_text,
                        "label_x": label_x,
                        "label_y": label_y,
                        "polygon": polygon,
                    }
                elif this_class == "edge":
                    title = title.replace("-", " ").replace(">", " ").strip()
                    these_nodes = tuple(title.split(" "))
                    if these_nodes[0] in nodes and these_nodes[-1] in nodes:
                        edges[(these_nodes[0], these_nodes[-1])] = {
                            "label": label_text,
                            "label_x": label_x,
                            "label_y": label_y,
                            "polygon": polygon,
                            "waypoints": waypoints,
                        }

    return nodes, edges