libamxo  4.3.4
Object Definition Language (ODL) parsing
parameter_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  Sequence(
41  Optional(
42  Choice(0,
43  Terminal("%protected"),
44  Terminal("%private")
45  ),"skip"
46  ),
47  ZeroOrMore(
48  Choice(0,
49  Terminal("%persistent"),
50  Terminal("%read-only"),
51  Terminal("%template"),
52  Terminal("%instance"),
53  Terminal("%volatile"),
54  Terminal("%unique"),
55  Terminal("%key"),
56  Terminal("%mutable")
57  ),"","skip"
58  ),
59  Choice(0,
60  Terminal("string"),
61  Terminal("csv_string"),
62  Terminal("ssv_string"),
63  Terminal("int8"),
64  Terminal("int16"),
65  Terminal("int32"),
66  Terminal("int64"),
67  Terminal("uint8"),
68  Terminal("uint16"),
69  Terminal("uint32"),
70  Terminal("uint64"),
71  Terminal("bool"),
72  Terminal("datetime")
73  ),
74  Choice(0,
75  Terminal("<NAME>"),
76  Terminal("'<NAME>'"),
77  Terminal('"<NAME>"')
78  ),
79  Optional(
80  Sequence(
81  Terminal("="),
82  NonTerminal("<VALUE>")
83  )
84  ),
85  Choice(0,
86  Terminal(";"),
87  Sequence(
88  Terminal("{"),
89  ZeroOrMore(
90  Choice(0,
91  NonTerminal("DEFAULT"),
92  NonTerminal("USERFLAGS"),
93  NonTerminal("ACTION")
94  )
95  ),
96  Terminal("}")
97  )
98  )
99  )
100 )
101 
102 d.writeStandalone(sys.stdout.write, css=css_rr)