Struct BackendPolicy 

pub struct BackendPolicy {
    pub profile: Profile,
    pub preferred: Option<String>,
    pub chain: Vec<String>,
    pub allow_fallback: bool,
    pub timeout_secs: f64,
    pub enable_ocr: bool,
    pub enable_layout: bool,
    pub ocr_dpi: u32,
    pub ocr_drop_score: f32,
    pub max_pages: usize,
}

Fields

profile: Profile

preferred: Option<String>

chain: Vec<String>

allow_fallback: bool

timeout_secs: f64

enable_ocr: bool

enable_layout: bool

ocr_dpi: u32

ocr_drop_score: f32

max_pages: usize

Implementations

impl BackendPolicy

pub fn ordered_chain(&self, default_chain: &[String]) -> Vec<String>

计算实际尝试顺序：显式 chain > preferred 置顶 > 默认链。

Trait Implementations

impl Clone for BackendPolicy

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BackendPolicy

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

Formats the value using the given formatter.

impl Default for BackendPolicy

fn default() -> Self

Returns the “default value” for a type.