README.md

Beebotte Expression Evaluator

About

A Beebotte Expressions is a mathematical expression with values and operators.

The values can be:

• Resource value: my_channel.my_resource
• Nested resource value: my_channel.my_resource.nested_element.nested_element2
• Primitive value
  • boolean
  • number
  • string

Expressions Grammar

The following operators are supported:

Logical Operators

• AND
• OR
• NOT or !

Comparison Operators

• ==
• !=
• >
• >=
• <
• <=

Arithmetic Operators

• +
• -
• *
• idiv (integral division: 5 idiv 2 is 2)
• /
• % (modulo)

Operators can be mixed with parentheses.

Expression Examples

    "34" == "34"

    (1+2)*2*2 + 22 == 34

    channel1.resource1 - channel2.resource1

    channel1.resource1 == channel2.resource1 OR channel1.resource1 == 44

    channel1.resource1.param1 + channel2.resource1.param1

    channel1.resource1 <= channel2.resource1 AND channel1.resource1 == channel3.resource1

    channel1.resource1 <= channel2.resource1 AND !channel1.resource1 > channel2.resource1

License

Copyright 2017 Beebotte.

The MIT License