TokenizerInfo

metrale_grammar

Struct TokenizerInfo 

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pub struct TokenizerInfo { /* private fields */ }
Expand description

Decoded-vocabulary metadata the grammar matcher needs.

Port of the vendored xgrammar::TokenizerInfo.

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impl TokenizerInfo

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pub fn new<T: AsRef<str>>( encoded_vocab: &[T], vocab_type: VocabType, stop_token_ids: &Option<Box<[i32]>>, add_prefix_space: bool, ) -> Result<Self, String>

Construct the tokenizer info from a raw (encoded) vocabulary.

Port of the vendored TokenizerInfo::new. The vocab size is encoded_vocab.len(); stop_token_ids is None for auto-detection or the explicit stop-id set.

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pub fn from_huggingface<T: AsRef<str>>( encoded_vocab: &[T], tokenizer_json: &str, vocab_size: Option<usize>, stop_token_ids: Option<&[i32]>, ) -> Result<Self, String>

Construct from the raw text of a HuggingFace tokenizer.json, inferring vocab_type and add_prefix_space.

Port of the vendored TokenizerInfo::from_huggingface (the metadata-from-JSON form, used to side-step the tokenizers crate version skew — see F68).

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pub fn vocab_type(&self) -> VocabType

The vocabulary type. Port of the vendored vocab_type.

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pub fn vocab_size(&self) -> usize

The vocabulary size. Port of the vendored vocab_size.

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pub fn add_prefix_space(&self) -> bool

Whether the tokenizer prepends a space. Port of the vendored add_prefix_space.

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pub fn stop_token_ids(&self) -> Box<[i32]>

The stop token ids. Port of the vendored stop_token_ids.

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pub fn special_token_ids(&self) -> Box<[i32]>

The special token ids. Port of the vendored special_token_ids.

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pub fn dump_metadata(&self) -> String

Dump tokenizer metadata to JSON. Port of the vendored dump_metadata.

Trait Implementations§

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impl Clone for TokenizerInfo

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fn clone(&self) -> TokenizerInfo

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TokenizerInfo

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

Formats the value using the given formatter. Read more
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impl PartialEq for TokenizerInfo

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fn eq(&self, other: &TokenizerInfo) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for TokenizerInfo

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impl StructuralPartialEq for TokenizerInfo

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