schematic 0.19.7

A layered serde configuration and schema library.
Documentation 
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use super::{ValidateError, ValidateResult, Validator, map_err};
pub use garde::rules::{
    alphanumeric::Alphanumeric, ascii::Ascii, contains::Contains, length::HasSimpleLength,
    pattern::Pattern,
};

/// Validate a string is only composed of alpha-numeric characters.
pub fn alphanumeric<T: Alphanumeric, D, C>(
    value: &T,
    _data: &D,
    _context: &C,
    _finalize: bool,
) -> ValidateResult {
    garde::rules::alphanumeric::apply(value, ()).map_err(map_err)
}

/// Validate a string is only composed of ASCII characters.
pub fn ascii<T: Ascii, D, C>(
    value: &T,
    _data: &D,
    _context: &C,
    _finalize: bool,
) -> ValidateResult {
    garde::rules::ascii::apply(value, ()).map_err(map_err)
}

/// Validate a string contains the provided pattern.
pub fn contains<T: Contains, D, C>(pattern: &str) -> Validator<T, D, C> {
    let pattern = pattern.to_owned();

    Box::new(move |value, _, _, _| {
        garde::rules::contains::apply(value, (&pattern,)).map_err(map_err)
    })
}

/// Validate a string matches the provided regex pattern.
pub fn regex<T: Pattern, D, C>(pattern: &str) -> Validator<T, D, C> {
    let pattern = garde::rules::pattern::regex::Regex::new(pattern).unwrap();

    Box::new(move |value, _, _, _| {
        garde::rules::pattern::apply(value, (&pattern,)).map_err(map_err)
    })
}

/// Validate the value is not empty.
pub fn not_empty<T: HasSimpleLength, D, C>(
    value: &T,
    _data: &D,
    _context: &C,
    _finalize: bool,
) -> ValidateResult {
    if value.length() == 0 {
        return Err(ValidateError::new("must not be empty"));
    }

    Ok(())
}