Grammar extensions #10
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Commit 80e8c12 (Restrict Object prototype functions) was applied to the generated file rather than the source file.
A JSON key (referred to as a symbol by the filtrex grammar) is a string
that may contain operators. For example, a JSON key containing a dash is
valid but will be parsed as an arithmetic operation:
{"country-code": "US"}
compileExpression.parser.parse("country-code == \"US\"")
Results in:
country - code == "US"
Indicate a literal symbol by using a single quote:
compileExpression.parser.parse("'country-code' == \"US\"")
Similar to double quotes in strings, single quotes in symbols are
not valid: 'invalid\'symbol'
Introduce an operator (~=) to perform matches using regular expressions:
{country: "US"}
country ~= "^(US|CA)"
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Merged. Thanks! |
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Some small changes so you can do:
The use of regular expression might break one of the guarantees (predictable).