Enum Transform

pub enum Transform {
    Replace {
        pattern: String,
        replacement: String,
    },
    Date {
        from_format: String,
        to_format: String,
    },
    Url {
        base: String,
        suffix: Option<String>,
    },
}

Available field value transformations.

Transformations that can be applied to extracted field values before constructing the final Paper object.

Examples

# Clean up whitespace
transform = { type = "replace", pattern = "\\s+", replacement = " " }

# Convert date format
transform = { type = "date", from_format = "%Y-%m-%d", to_format = "%Y-%m-%dT00:00:00Z" }

# Construct full URL
transform = { type = "url", base = "https://example.com/", suffix = ".pdf" }

Variants

Replace

Replace text using regex pattern

Fields

pattern: String

Regular expression pattern to match

replacement: String

Text to replace matched patterns with

Date

Convert between date formats

Fields

from_format: String

Source date format string using chrono syntax (e.g., “%Y-%m-%d”)

to_format: String

Target date format string using chrono syntax (e.g., “%Y-%m-%dT%H:%M:%SZ”)

Url

Construct URL from parts

Fields

base: String

Base URL template, may contain {value} placeholder

suffix: Option<String>

Optional suffix to append to the URL (e.g., “.pdf”)

Trait Implementations

impl Clone for Transform

fn clone(&self) -> Transform

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Transform

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Transform

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.