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update fst struct

This commit is contained in:
yihaoDeng 2021-11-25 17:39:53 +08:00
parent 4e9fba6dd3
commit 21592f572e
1 changed files with 36 additions and 32 deletions
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68
source/libs/index/src/index_fst.c
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@ -181,6 +181,8 @@ static FstState stateDict[] = {
{.state = AnyTrans, .val = 0b00000000},
{.state = EmptyFinal, .val = 0b00000000}
};
// debug
static char *fStStateStr[] = {"ONE_TRANS_NEXT", "ONE_TRANS", "ANY_TRANS", "EMPTY_FINAL"};
FstState fstStateCreate(State state){
uint8_t idx = (uint8_t)state;
@ -507,7 +509,6 @@ FstNode *fstNodeCreate(int64_t version, CompiledAddr addr, FstSlice *slice) {
n->sizes = sz;
n->finalOutput = 0;
} else {
uint64_t sz = fstStateSizes(&st, slice); // s.sizes(data)
uint32_t nTrans = fstStateNtrans(&st, slice); // s.ntrans(data)
n->data = *slice;
@ -539,19 +540,19 @@ FstTransitions* fstNodeTransitions(FstNode *node) {
// Returns the transition at index `i`.
bool fstNodeGetTransitionAt(FstNode *node, uint64_t i, FstTransition *trn) {
bool s = true;
//FstState st = node->state;
if (FST_STATE_ONE_TRNAS_NEXT(node)) {
trn->inp = 0;
FstState *st = &node->state;
if (st->state == OneTransNext) {
trn->inp = fstStateInput(st, node);
trn->out = 0;
trn->addr = 0;
} else if (FST_STATE_ONE_TRNAS(node)) {
trn->inp = 0;
trn->out = 0;
trn->addr = 0;
} else if (FST_STATE_ANY_TRANS(node)) {
trn->inp = 0;
trn->out = 0;
trn->addr = 0;
trn->addr = fstStateTransAddr(st, node);
} else if (st->state == OneTrans) {
trn->inp = fstStateInput(st, node);
trn->out = fstStateOutput(st, node);
trn->addr = fstStateTransAddr(st, node);
} else if (st->state == AnyTrans) {
trn->inp = fstStateInputForAnyTrans(st, node, i);
trn->out = fstStateOutputForAnyTrans(st, node, i);
trn->addr = fstStateTransAddrForAnyTrans(st, node, i);
} else {
s = false;
}
@ -561,12 +562,15 @@ bool fstNodeGetTransitionAt(FstNode *node, uint64_t i, FstTransition *trn) {
// Returns the transition address of the `i`th transition
bool fstNodeGetTransitionAddrAt(FstNode *node, uint64_t i, CompiledAddr *res) {
bool s = true;
if (FST_STATE_ONE_TRNAS_NEXT(node)) {
} else if (FST_STATE_ONE_TRNAS(node)) {
} else if (FST_STATE_ANY_TRANS(node)) {
FstState *st = &node->state;
if (st->state == OneTransNext) {
assert(i == 0);
fstStateTransAddr(st, node);
} else if (st->state == OneTrans) {
assert(i == 0);
fstStateTransAddr(st, node);
} else if (st->state == AnyTrans) {
fstStateTransAddrForAnyTrans(st, node, i);
} else if (FST_STATE_EMPTY_FINAL(node)){
s = false;
} else {
@ -579,19 +583,19 @@ bool fstNodeGetTransitionAddrAt(FstNode *node, uint64_t i, CompiledAddr *res) {
// If no transition for this byte exists, then `false` is returned.
bool fstNodeFindInput(FstNode *node, uint8_t b, uint64_t *res) {
bool s = true;
uint8_t input; // get s.input
FstState fs = node->state;
if (FST_STATE_ONE_TRNAS_NEXT(node)) {
if (b == input) { *res = 0; }
else { return s ; }
} else if (FST_STATE_ONE_TRNAS(node)) {
if (b == input) { *res = 0; }
else {return s;}
} else if (FST_STATE_ANY_TRANS(node)) {
} else if (FST_STATE_EMPTY_FINAL(node)) {
s = false;
}
FstState *st = &node->state;
if (st->state == OneTransNext) {
if (fstStateInput(st,node) == b) { *res = 0; }
else { s = false; } }
else if (st->state == OneTrans) {
if (fstStateInput(st, node) == b) { *res = 0 ;}
else { s = false; }
} else if (st->state == AnyTrans) {
bool null = false;
uint64_t out = fstStateFindInput(st, node, b, &null);
if (null == false) { *res = out; }
else { s = false;}
}
return s;
}