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* Moving feature context stuff to a generalized place

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Matthew Honnibal 2014-11-05 19:55:10 +11:00
parent 3733444101
commit 0a8c84625d
2 changed files with 136 additions and 0 deletions
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spacy/context.pxd Normal file
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from thinc.typedefs cimport atom_t
from .typedefs cimport hash_t
from .tokens cimport Tokens
from .lexeme cimport Lexeme
cdef struct Token:
atom_t i
atom_t c
atom_t w
atom_t shape
atom_t pref
atom_t suff
atom_t oft_title
atom_t oft_upper
atom_t is_alpha
atom_t is_digit
atom_t is_title
atom_t is_upper
atom_t url
atom_t num
atom_t postype
atom_t pos
atom_t ner
cdef struct Slots:
Token P2
Token P1
Token N0
Token N1
Token N2
cdef Slots FIELD_IDS
cdef int N_FIELDS
cdef hash_t fill_slots(Slots* s, int i, Tokens tokens) except 0
cdef int fill_flat(atom_t* context, Slots* s) except -1

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from murmurhash.mrmr cimport hash64
from .lexeme cimport *
cdef void _number_token(Token* t, int* n_fields):
cdef int i = n_fields[0]
t.i = i; i += 1
t.c = i; i += 1
t.w = i; i += 1
t.shape = i; i += 1
t.pref = i; i += 1
t.suff = i; i += 1
t.oft_title = i; i += 1
t.oft_upper = i; i += 1
t.is_alpha = i; i += 1
t.is_digit = i; i += 1
t.is_title = i; i += 1
t.is_upper = i; i += 1
t.url = i; i += 1
t.num = i; i += 1
t.postype = i; i += 1
t.pos = i; i += 1
t.ner = i; i += 1
n_fields[0] = i
cdef int fill_token(Token* t, Lexeme* lex, atom_t pos, atom_t ner):
t.i = lex.sic
t.c = lex.cluster
t.w = lex.norm if (lex.prob != 0 and lex.prob >= -10) else lex.shape
t.shape = lex.shape
t.pref = lex.prefix
t.suff = lex.suffix
t.oft_title = lex.flags & (1 << OFT_TITLE)
t.oft_upper = lex.flags & (1 << OFT_UPPER)
t.is_alpha = lex.flags & (1 << IS_ALPHA)
t.is_digit = lex.flags & (1 << IS_DIGIT)
t.is_title = lex.flags & (1 << IS_TITLE)
t.is_upper = lex.flags & (1 << IS_UPPER)
t.url = lex.flags & (1 << LIKE_URL)
t.num = lex.flags & (1 << LIKE_NUMBER)
t.postype = lex.postype
t.pos = pos
t.ner = ner
cdef int _flatten_token(atom_t* context, Token* ids, Token* vals) except -1:
context[ids.i] = vals.i
context[ids.c] = vals.c
context[ids.w] = vals.w
context[ids.shape] = vals.shape
context[ids.pref] = vals.pref
context[ids.suff] = vals.suff
context[ids.oft_title] = vals.oft_title
context[ids.oft_upper] = vals.oft_upper
context[ids.is_alpha] = vals.is_alpha
context[ids.is_digit] = vals.is_digit
context[ids.is_title] = vals.is_title
context[ids.is_upper] = vals.is_upper
context[ids.url] = vals.url
context[ids.num] = vals.num
context[ids.postype] = vals.postype
context[ids.pos] = vals.pos
context[ids.ner] = vals.ner
cdef hash_t fill_slots(Slots* s, int i, Tokens tokens) except 0:
fill_token(&s.P2, tokens.lex[i-2], tokens.pos[i-2], tokens.ner[i-2])
fill_token(&s.P1, tokens.lex[i-1], tokens.pos[i-1], tokens.ner[i-1])
fill_token(&s.N0, tokens.lex[i], tokens.pos[i], tokens.ner[i])
fill_token(&s.N1, tokens.lex[i+1], tokens.pos[i+1], tokens.ner[i+1])
fill_token(&s.N2, tokens.lex[i+2], tokens.pos[i+2], tokens.ner[i+2])
return hash64(s, sizeof(Slots), 0)
cdef int fill_flat(atom_t* context, Slots* s) except -1:
_flatten_token(context, &FIELD_IDS.P2, &s.P2)
_flatten_token(context, &FIELD_IDS.P1, &s.P1)
_flatten_token(context, &FIELD_IDS.N0, &s.N0)
_flatten_token(context, &FIELD_IDS.N1, &s.N1)
_flatten_token(context, &FIELD_IDS.N2, &s.N2)
N_FIELDS = 0
_number_token(&FIELD_IDS.P2, &N_FIELDS)
_number_token(&FIELD_IDS.P1, &N_FIELDS)
_number_token(&FIELD_IDS.N0, &N_FIELDS)
_number_token(&FIELD_IDS.N1, &N_FIELDS)
_number_token(&FIELD_IDS.N2, &N_FIELDS)