Struct ContextWindowConfig 

pub struct ContextWindowConfig {
    pub max_tokens: usize,
    pub system_prompt_tokens: usize,
    pub query_tokens: usize,
    pub answer_tokens: usize,
    pub strategy: TruncationStrategy,
    pub token_strategy: TokenCountStrategy,
    pub separator: String,
    pub include_source: bool,
}

上下文窗口配置

Fields

max_tokens: usize

最大 token 数（上下文窗口大小）

system_prompt_tokens: usize

系统提示预留的 token 数

query_tokens: usize

查询预留的 token 数

answer_tokens: usize

回答预留的 token 数

strategy: TruncationStrategy

截断策略

token_strategy: TokenCountStrategy

token 计数策略

separator: String

片段之间的分隔符

include_source: bool

是否包含来源信息

Implementations

impl ContextWindowConfig

pub fn new(max_tokens: usize) -> Self

创建新的上下文窗口配置

pub fn with_system_prompt_tokens(self, tokens: usize) -> Self

设置系统提示预留 token 数

pub fn with_query_tokens(self, tokens: usize) -> Self

设置查询预留 token 数

pub fn with_answer_tokens(self, tokens: usize) -> Self

设置回答预留 token 数

pub fn with_strategy(self, strategy: TruncationStrategy) -> Self

设置截断策略

pub fn with_token_strategy(self, strategy: TokenCountStrategy) -> Self

设置 token 计数策略

pub fn with_separator(self, separator: impl Into<String>) -> Self

设置分隔符

pub fn with_source(self, include: bool) -> Self

是否包含来源信息

pub fn available_context_tokens(&self) -> usize

计算可用于上下文的 token 数

Trait Implementations

impl Clone for ContextWindowConfig

fn clone(&self) -> ContextWindowConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ContextWindowConfig

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

Formats the value using the given formatter.

impl Default for ContextWindowConfig

fn default() -> Self

Returns the “default value” for a type.