libamxo  4.3.4
Object Definition Language (ODL) parsing
event_rr.py
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1 # https://pypi.org/project/railroad-diagrams/
2 # https://jakearchibald.github.io/svgomg/
3 
4 from railroad import *
5 
6 css_rr = """svg.railroad-diagram {
7  background-color:hsl(30,20%,95%);
8 }
9 svg.railroad-diagram path {
10  stroke-width:3;
11  stroke:black;
12  fill:rgba(0,0,0,0);
13 }
14 svg.railroad-diagram text {
15  font:bold 14px monospace;
16  text-anchor:middle;
17 }
18 svg.railroad-diagram text.label{
19  text-anchor:start;
20 }
21 svg.railroad-diagram text.comment{
22  font:italic 12px monospace;
23 }
24 svg.railroad-diagram rect{
25  stroke-width:3;
26  stroke:black;
27  fill:hsl(120,100%,90%);
28 }
29 svg.railroad-diagram g.non-terminal rect{
30  stroke: black;
31  fill: white;
32 )
33 svg.railroad-diagram rect.group-box {
34  stroke: gray;
35  stroke-dasharray: 10 5;
36  fill: none;
37 }"""
38 
39 d =Diagram(
40  Terminal("event"),
41  Choice(0,
42  Terminal("<NAME>"),
43  Terminal("'<NAME>'"),
44  Terminal('"<NAME>"'),
45  ),
46  Choice(0,
47  Terminal(";"),
48  Sequence(
49  Terminal("{"),
50  OneOrMore(
51  Sequence(
52  Choice(0,
53  Terminal("string"),
54  Terminal("csv_string"),
55  Terminal("ssv_string"),
56  Terminal("int8"),
57  Terminal("int16"),
58  Terminal("int32"),
59  Terminal("int64"),
60  Terminal("uint8"),
61  Terminal("uint16"),
62  Terminal("uint32"),
63  Terminal("uint64"),
64  Terminal("bool"),
65  Terminal("datetime"),
66  Terminal("htable"),
67  Terminal("list"),
68  Terminal("variant")
69  ),
70  Choice(0,
71  Terminal("<NAME>"),
72  Terminal("'<NAME>'"),
73  Terminal('"<NAME>"')
74  ),
75  Optional(
76  Sequence(
77  Terminal("="),
78  NonTerminal("<VALUE>")
79  )
80  ),
81  Terminal(";")
82  )
83  ),
84  Terminal("}")
85  ),
86  ),
87 )
88 
89 d.writeStandalone(sys.stdout.write, css=css_rr)