JSON Parser Boundary Conditions

The following boundary conditions exist in the current JSON parser implementation:

Complex Arrays

Fabasoft Folio does not support multi-typed arrays, for instance integers and strings within one array.

Example:

[
    1,
    2,
    3,
    4,
    "a",
    "b",
    "c",
    {
        "foo": "bar",
        "core": "dump"
    },
    true,
    false,
    true,
    true,
    null,
    false
]

Result:

Error: Type mismatch.

Null Values

A JSON string containing null values or empty arrays is always represented as an invalid Fabasoft Folio value.

Example:

• [null] or [""]
  Result: []
• [{}]
  Result: {}

Invalid UTF-8 Characters

A JSON string containing invalid UTF-8 characters is not parsed.

Example:

• ["€þıœəßð some utf-8 ĸʒ×ŋµåäöð?„ž"]
  Syntax error: invalid utf-8 character
• ["\uD834\uDD1E surrogate, four-byte UTF-8"]
  Syntax error: invalid utf-8 character