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annotate regexParser/threadedSearch.cc @ 320:da02a7258d54

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fix
author mir3636
date Sun, 08 May 2016 23:31:14 +0900
parents 7b8234c090f7
children a1b65d39b947
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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diff changeset
1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4
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5 #include "regexParser.h"
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6 #include "CharClass.h"
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7 #include "threadedSearch.h"
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
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8 #include "subsetConstruction.h"
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9
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10 #define max(a,b)((a)>(b)?a:b)
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11 #define min(a,b)((a)<(b)?a:b)
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12
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13 TStatePtr nextTState(BitVector bi,TransitionGeneratorPtr tg);
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14
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15 static
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16 TSValue stateNothing(TSValue tsv) {
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17 return tsv;
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18 }
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19
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20 static
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21 TSValue stateSkip(TSValue tsv) {
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22 if (tsv.matchEnd) {
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23 fwrite(tsv.matchBegin,tsv.matchEnd-tsv.matchBegin,1,stdout);
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24 puts("");
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25 tsv.matchEnd = NULL;
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26 }
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27 tsv.matchBegin = tsv.buff.buffptr; // next char may be matchBegin
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28 // if possible use bmsearch
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29 while (tsv.buff.buffptr < tsv.buff.buffend) {
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30 long skip = tsv.tg->maxWordLen;
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31 for (int k = 0; k < tsv.current->ccvSize; k++) {
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32 CCVPtr ccv = &tsv.current->ccv[k];
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33 if (ccv->w.word) {
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34 int i = ccv->w.length - 1;
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35 while (tsv.buff.buffptr[i] == ccv->w.word[i]) {
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36 if (i == 0) {
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37 if (ccv->tState) {
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38 tsv.current = ccv->tState;
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39 } else {
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40 tsv.current = nextTState(ccv->state,tsv.tg);
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41 ccv->tState = tsv.current;
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42 }
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43 tsv.buff.buffptr += ccv->w.length - 1;
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44 return tsv;
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45 }
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46 --i;
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47 }
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48 skip = min(skip,max(ccv->w.bm->skip_table[tsv.buff.buffptr[i]],ccv->w.length - i));
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49 }
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50 }
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51 tsv.buff.buffptr += skip;
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52 }
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53 return tsv;
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54 }
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55
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56 static
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57 TSValue stateMatch(TSValue tsv) {
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58 tsv.matchEnd = tsv.buff.buffptr; // next char of the match
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59 return tsv;
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60 }
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61
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62 TStatePtr generateTState(StatePtr state, TransitionGeneratorPtr tg) {
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63 TStatePtr tState = NEW(TState);
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64 tState->state = state;
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65 int ccvSize = 0;
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66 CharClassWalkerPtr ccw = createCharClassWalker(state->cc);
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67 while (hasNext(ccw)) {
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68 getNext(ccw);
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69 ccvSize++;
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70 }
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71 tState->ccvSize = ccvSize;
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72 if (state->accept) {
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73 tState->stateMatch = tg->stateMatch;
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74 tState->stateSkip = tg->stateSkip;
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75 } else {
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76 tState->stateMatch = tg->stateNothing;
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77 tState->stateSkip = tg->stateSkip;
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78 }
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79 if (ccvSize == 0) {
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80 tState->ccv = NULL;
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81 state->tState = tState;
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82 return tState;
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83 } else tState->ccv = (ccv*)malloc(sizeof(ccv)*ccvSize);
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84 ccw = createCharClassWalker(state->cc);
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85 int i = 0;
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86 while (hasNext(ccw)) {
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87 CharClassPtr cc = getNext(ccw);
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88 unsigned long begin = cc->cond.range.begin;
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89 unsigned long end = cc->cond.range.end;
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90 struct ccv *ccv = &tState->ccv[i++];
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91 ccv->begin = begin;
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92 ccv->end = end;
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93 ccv->tState = NULL;
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94 ccv->state = cc->nextState;
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95 ccv->w = cc->cond.w;
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96 }
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97 free(ccw);
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98 state->tState = tState;
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99 return tState;
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100 }
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101
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102 TStatePtr nextTState(BitVector bi,TransitionGeneratorPtr tg) {
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103 // create tSearch in next state.
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104 StatePtr state = tg->stateArray[bi.bitContainer];
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105 if (state == NULL) {
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106 // on the fly subset construction.
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107 state = createState(tg,bi);
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108 determinize(state,tg);
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109 tg->stateArray[bi.bitContainer] = state;
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110 }
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111 if (state->tState == NULL) {
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112 generateTState(state,tg);
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113 }
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114 return state->tState;
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115 }
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116
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117 #define DEBUG 0
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118
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119 TSValue tSearch(TSValue tsv) {
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120 #if DEBUG
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121 TSValuePtr tsvp = &tsv; // make tsv visible in lldb
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122 #endif
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123 next: while (tsv.buff.buffptr < tsv.buff.buffend) {
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124 tsv = tsv.current->stateMatch(tsv);
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125 if (tsv.current->ccvSize==0) {
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126 // matched start again
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127 tsv.current = tsv.tg->stateStart->tState;
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128 }
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129 unsigned char c = *tsv.buff.buffptr++;
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130 // printState(tsv.current->state);
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131 for (int i = 0; i < tsv.current->ccvSize; i++) {
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132 CCVPtr ccv = &tsv.current->ccv[i];
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133 if (c<ccv->begin) {
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134 tsv.current = tsv.tg->stateStart->tState;
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135 tsv = tsv.current->stateSkip(tsv);
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136 goto next;
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137 } else if (c<=ccv->end) {
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138 // range matched.
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139 if (ccv->w.word) {
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140 WordPtr w;
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141 for (w = &ccv->w;w;w = w->next) {
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142 // match the word.
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143 if (strncmp((const char *)w->word,(const char *)tsv.buff.buffptr-1,w->length)==0) break;
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144 }
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145 if (!w) continue; // if (not match) continue;
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146 tsv.buff.buffptr += w->length - 1;
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Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 247
diff changeset
147 }
277
7b4bcc7b5ae6 nextTState implemented
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 275
diff changeset
148 if (ccv->tState) {
7b4bcc7b5ae6 nextTState implemented
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 275
diff changeset
149 tsv.current = ccv->tState;
7b4bcc7b5ae6 nextTState implemented
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 275
diff changeset
150 } else {
7b4bcc7b5ae6 nextTState implemented
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 275
diff changeset
151 tsv.current = nextTState(ccv->state,tsv.tg);
7b4bcc7b5ae6 nextTState implemented
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 275
diff changeset
152 ccv->tState = tsv.current;
245
d34de5edaa96 add threadedSearch.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 }
d34de5edaa96 add threadedSearch.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 goto next;
d34de5edaa96 add threadedSearch.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 }
d34de5edaa96 add threadedSearch.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 }
299
bdfe0a32c48f grepWalk
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 298
diff changeset
157 tsv.current = tsv.tg->stateStart->tState;
264
ef95a7f1bc03 implement tSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 263
diff changeset
158 tsv = tsv.current->stateSkip(tsv);
245
d34de5edaa96 add threadedSearch.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
159 }
293
948428caf616 NFA maximum match worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 292
diff changeset
160 #if DEBUG
285
3ea12df96bcf add *tsvp
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 283
diff changeset
161 *tsvp = tsv;
3ea12df96bcf add *tsvp
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 283
diff changeset
162 return *tsvp;
293
948428caf616 NFA maximum match worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 292
diff changeset
163 #else
948428caf616 NFA maximum match worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 292
diff changeset
164 return tsv;
948428caf616 NFA maximum match worked
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 292
diff changeset
165 #endif
245
d34de5edaa96 add threadedSearch.cc
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 }
262
157f6886ba55 write driver of threadedSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 260
diff changeset
167
298
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
168 TSValue
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
169 createTSValue(TransitionGeneratorPtr tg, Buffer buff) {
262
157f6886ba55 write driver of threadedSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 260
diff changeset
170 TSValue tsv;
298
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
171 if (!tg) {
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
172 tg = createTransitionGenerator();
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
173 }
262
157f6886ba55 write driver of threadedSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 260
diff changeset
174 tsv.buff = buff;
157f6886ba55 write driver of threadedSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 260
diff changeset
175 tsv.tg = tg;
292
868f01f1ba8e maximum match
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 288
diff changeset
176 tsv.blk = NULL;
298
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
177 tsv.matchBegin = buff.buffptr;
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
178 tsv.matchEnd = NULL;
266
e51cac73e42a CeriumGrep start
masa
parents: 264
diff changeset
179 tsv.tg->stateSkip = stateSkip;
e51cac73e42a CeriumGrep start
masa
parents: 264
diff changeset
180 tsv.tg->stateMatch = stateMatch;
e51cac73e42a CeriumGrep start
masa
parents: 264
diff changeset
181 tsv.tg->stateNothing = stateNothing;
298
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
182 return tsv;
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
183 }
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
184
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
185
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
186 void threadedSearch(TransitionGeneratorPtr tg, Buffer buff) {
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
187 TSValue tsv = createTSValue(tg,buff);
270
c82f7e7f66f7 running ts
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 268
diff changeset
188 tsv.current = generateTState(tg->stateList,tg);
288
f2491681914e special state for start search
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 286
diff changeset
189 tg->stateStart = NEW(State);
f2491681914e special state for start search
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 286
diff changeset
190 *tg->stateStart = *tg->stateList;
f2491681914e special state for start search
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 286
diff changeset
191 tg->stateStart->accept = false; // Start state never accept
f2491681914e special state for start search
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 286
diff changeset
192 generateTState(tg->stateStart,tg);
263
292753bb31e4 fix Makefile
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 262
diff changeset
193 tSearch(tsv);
262
157f6886ba55 write driver of threadedSearch
Masataka Kohagura <kohagura@cr.ie.u-ryukyu.ac.jp>
parents: 260
diff changeset
194 }
298
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
195
63213964502a refactoring ....
Shinji KONO <kono@ie.u-ryukyu.ac.jp>
parents: 293
diff changeset
196 /* end */