rustfst/fst_impls/
arc.rs

1use std::ops::Deref;
2use std::sync::Arc;
3
4use anyhow::Result;
5
6use crate::fst_properties::FstProperties;
7use crate::fst_traits::{CoreFst, ExpandedFst, Fst, FstIntoIterator, FstIterator, StateIterator};
8use crate::semirings::Semiring;
9use crate::{StateId, SymbolTable};
10
11impl<W: Semiring, F: Fst<W>> Fst<W> for Arc<F> {
12    fn input_symbols(&self) -> Option<&Arc<SymbolTable>> {
13        self.deref().input_symbols()
14    }
15
16    fn output_symbols(&self) -> Option<&Arc<SymbolTable>> {
17        self.deref().output_symbols()
18    }
19
20    fn set_input_symbols(&mut self, _symt: Arc<SymbolTable>) {
21        unimplemented!()
22    }
23
24    fn set_output_symbols(&mut self, _symt: Arc<SymbolTable>) {
25        unimplemented!()
26    }
27
28    fn take_input_symbols(&mut self) -> Option<Arc<SymbolTable>> {
29        unimplemented!()
30    }
31
32    fn take_output_symbols(&mut self) -> Option<Arc<SymbolTable>> {
33        unimplemented!()
34    }
35}
36
37impl<W: Semiring, F: ExpandedFst<W>> ExpandedFst<W> for Arc<F> {
38    fn num_states(&self) -> usize {
39        self.deref().num_states()
40    }
41}
42
43impl<W: Semiring, F: CoreFst<W>> CoreFst<W> for Arc<F> {
44    type TRS = F::TRS;
45
46    fn start(&self) -> Option<StateId> {
47        self.deref().start()
48    }
49
50    fn final_weight(&self, state_id: StateId) -> Result<Option<W>> {
51        self.deref().final_weight(state_id)
52    }
53
54    unsafe fn final_weight_unchecked(&self, state_id: StateId) -> Option<W> {
55        self.deref().final_weight_unchecked(state_id)
56    }
57
58    fn num_trs(&self, s: StateId) -> Result<usize> {
59        self.deref().num_trs(s)
60    }
61
62    unsafe fn num_trs_unchecked(&self, s: StateId) -> usize {
63        self.deref().num_trs_unchecked(s)
64    }
65
66    fn get_trs(&self, state_id: StateId) -> Result<Self::TRS> {
67        self.deref().get_trs(state_id)
68    }
69
70    unsafe fn get_trs_unchecked(&self, state_id: StateId) -> Self::TRS {
71        self.deref().get_trs_unchecked(state_id)
72    }
73
74    fn properties(&self) -> FstProperties {
75        self.deref().properties()
76    }
77
78    fn num_input_epsilons(&self, state: StateId) -> Result<usize> {
79        self.deref().num_input_epsilons(state)
80    }
81
82    fn num_output_epsilons(&self, state: StateId) -> Result<usize> {
83        self.deref().num_output_epsilons(state)
84    }
85}
86
87impl<'a, W: Semiring + 'a, F: FstIterator<'a, W>> FstIterator<'a, W> for Arc<F> {
88    type FstIter = F::FstIter;
89
90    fn fst_iter(&'a self) -> Self::FstIter {
91        self.deref().fst_iter()
92    }
93}
94
95impl<'a, F: StateIterator<'a>> StateIterator<'a> for Arc<F> {
96    type Iter = F::Iter;
97
98    fn states_iter(&'a self) -> Self::Iter {
99        self.deref().states_iter()
100    }
101}
102
103impl<W: Semiring, F: FstIntoIterator<W>> FstIntoIterator<W> for Arc<F> {
104    type TrsIter = F::TrsIter;
105    type FstIter = F::FstIter;
106
107    fn fst_into_iter(self) -> Self::FstIter {
108        unimplemented!()
109    }
110}
rustfst/fst_impls/arc.rs

rustfst/fst_impls/
arc.rs
