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annotate regexParser/threadedSearch.cc @ 254:21b9ba76f91b

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remove warning
author Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
date Sun, 24 Jan 2016 21:10:12 +0900
parents 2b276fdd99bd
children ebb429c2b6a7
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3
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4 #include "regexParser.h"
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5 #include "subsetConstruction.h"
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6
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7 void stateSkip(TSValue tsv) {
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8 tsv.buff.matchBegin = tsv.buff.buffptr;
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9 tsv.current->stateSkip(tsv);
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10 }
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12 TStatePtr generateTState(StatePtr state) {
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13 TStatePtr tState = NEW(TState);
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14 int ccvSize = 0;
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15 CharClassWalkerPtr ccw = createCharClassWalker(state->cc);
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16 while (hasNext(ccw)) {
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17 ccvSize++;
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18 }
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19 if (ccvSize == 0) return tState;
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20 else tState->ccv = (ccv*)malloc(sizeof(ccv)*ccvSize);
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21 ccw = createCharClassWalker(state->cc);
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22 int i = 0;
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23 while (hasNext(ccw)) {
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24 CharClassPtr cc = getNext(ccw);
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25 unsigned long begin = cc->cond.range.begin;
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26 unsigned long end = cc->cond.range.end;
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27 struct ccv *ccv = &tState->ccv[i++];
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28 ccv->begin = begin;
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29 ccv->end = end;
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30 ccv->tState = NULL;
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31 ccv->state = cc->nextState;
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32 ccv->w = cc->cond.w;
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33 }
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34 free(ccw);
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35 return tState;
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36 }
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37
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38 void tSearch(TSValue tsv) {
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39 next: while (tsv.buff.buffptr < tsv.buff.buffend) {
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40 unsigned char c = *tsv.buff.buffptr++;
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41 for (int i = 0; i < tsv.current->ccvSize; i++) {
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42 CCVPtr ccv = &tsv.current->ccv[i];
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43 if (c<ccv->begin) tsv.current->stateSkip(tsv);
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44 else if (c<=ccv->end) {
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45 // range matched.
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46 if (ccv->w.word) {
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47 // match the word.
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48 // if (not match) continue;
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49 }
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50 TStatePtr current = ccv->tState;
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51 if (current == NULL) {
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52 // create tSearch in next state.
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53 StatePtr state = tsv.tg->stateArray[ccv->state.bitContainer];
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54 if (state == NULL) {
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55 // on the fly subset construction.
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56 state = createState(tsv.tg,state->bitState);
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57 tsv.tg->stateArray[state->bitState.bitContainer] = state;
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58 determinize(state,tsv.tg);
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59 }
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60 if (state->tState == NULL) {
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61 current = generateTState(state);
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62 ccv->tState = current;
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63 } else {
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64 ccv->tState = state->tState;
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65 }
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66 }
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67 tsv.current = ccv->tState;
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68 goto next;
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69 }
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70 }
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71 tsv.current->stateSkip(tsv);
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72 }
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73 }