?? agrep.c
字號:
CurrentByteOffset --; FIRST_TIME = 0; } /* RE1_PROCESS_WHEN_DNOTZERO: the while loop below */ while (i < end ) { c = buffer[i]; CMask = Mask[c]; if(c != Newline) { if(CMask != 0) { r2 = B[0]; r1 = Init1 & r2; A[0] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | r1; r3 = B[1]; r1 = Init1 & r3; r0 = r2 | A[0]; /* A[0] | B[0] */ A[1] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | (( r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 1) goto Nextcharfile; r2 = B[2]; r1 = Init1 & r2; r0 = r3 | A[1]; A[2] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 2) goto Nextcharfile; r3 = B[3]; r1 = Init1 & r3; r0 = r2 | A[2]; A[3] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 3) goto Nextcharfile; r2 = B[4]; r1 = Init1 & r2; r0 = r3 | A[3]; A[4] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 4) goto Nextcharfile; } /* if(CMask) */ else { r2 = B[0]; A[0] = r2 & Init1; r3 = B[1]; r1 = Init1 & r3; r0 = r2 | A[0]; A[1] = ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 1) goto Nextcharfile; r2 = B[2]; r1 = Init1 & r2; r0 = r3 | A[1]; A[2] = ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 2) goto Nextcharfile; r3 = B[3]; r1 = Init1 & r3; r0 = r2 | A[2]; A[3] = ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 3) goto Nextcharfile; r2 = B[4]; r1 = Init1 & r2; r0 = r3 | A[3]; A[4] = ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 4) goto Nextcharfile; } } else { j++; if (DELIMITER) CurrentByteOffset -= D_length; else CurrentByteOffset -= 1; r1 = Init1 & B[D]; /* match against endofline */ A[D] = ((Next[B[D]>>hh] | Next1[B[D]&LL]) & CMask) | r1; if(TAIL) A[D] = ( Next[A[D]>>hh] | Next1[A[D]&LL] ) | A[D]; /* epsilon move */ if(( A[D] & 1 ) ^ INVERSE) { if(FILENAMEONLY && (NEW_FILE || !POST_FILTER)) { num_of_matched++; if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "%s", CurrentFileName); else { int outindex; for(outindex=0; (outindex+agrep_outpointer<agrep_outlen) && (CurrentFileName[outindex] != '\0'); outindex++) { agrep_outbuffer[agrep_outpointer+outindex] = CurrentFileName[outindex]; } if ((CurrentFileName[outindex] != '\0') || (outindex+agrep_outpointer>=agrep_outlen)) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } agrep_outpointer += outindex; } if (PRINTFILETIME) { char *s = aprint_file_time(CurrentFileTime); if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "%s", s); else { int outindex; for(outindex=0; (outindex+agrep_outpointer<agrep_outlen) && (s[outindex] != '\0'); outindex++) { agrep_outbuffer[agrep_outpointer+outindex] = s[outindex]; } if ((s[outindex] != '\0') || (outindex+agrep_outpointer>=agrep_outlen)) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } agrep_outpointer += outindex; } } if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "\n"); else { if (agrep_outpointer+1>=agrep_outlen) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } else agrep_outbuffer[agrep_outpointer++] = '\n'; } free_buf(Text, buffer); NEW_FILE = OFF; return 0; } if (-1 == r_output(buffer, i, end, j)) {free_buf(Text, buffer); return -1;} if (((LIMITOUTPUT > 0) && (LIMITOUTPUT <= num_of_matched)) || ((LIMITPERFILE > 0) && (LIMITPERFILE <= num_of_matched - prev_num_of_matched))) { free_buf(Text, buffer); return 0; /* done */ } } for(k=0; k<=D; k++) B[k] = Init[0]; r1 = Init1 & B[0]; A[0] = (( Next[B[0]>>hh] | Next1[B[0]&LL]) & CMask) | r1; for(k=1; k<=D; k++) { r3 = B[k]; r1 = Init1 & r3; r2 = A[k-1] | B[k-1]; A[k] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | ((B[k-1] | Next[r2>>hh] | Next1[r2&LL]) & r_NO_ERR) | r1; } if (DELIMITER) CurrentByteOffset += 1*D_length; else CurrentByteOffset += 1*1; } Nextcharfile: i=i+1; CurrentByteOffset ++; c = buffer[i]; CMask = Mask[c]; if(c != Newline) { if(CMask != 0) { r2 = A[0]; r1 = Init1 & r2; B[0] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | r1; r3 = A[1]; r1 = Init1 & r3; r0 = B[0] | r2; B[1] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | ((r2 | Next[r0>>hh] | Next1[r0&LL]) & r_NO_ERR) | r1 ; if(D == 1) goto Nextchar1file; r2 = A[2]; r1 = Init1 & r2; r0 = B[1] | r3; B[2] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 2) goto Nextchar1file; r3 = A[3]; r1 = Init1 & r3; r0 = B[2] | r2; B[3] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 3) goto Nextchar1file; r2 = A[4]; r1 = Init1 & r2; r0 = B[3] | r3; B[4] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 4) goto Nextchar1file; } /* if(CMask) */ else { r2 = A[0]; B[0] = r2 & Init1; r3 = A[1]; r1 = Init1 & r3; r0 = B[0] | r2; B[1] = ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 1) goto Nextchar1file; r2 = A[2]; r1 = Init1 & r2; r0 = B[1] | r3; B[2] = ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 2) goto Nextchar1file; r3 = A[3]; r1 = Init1 & r3; r0 = B[2] | r2; B[3] = ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 3) goto Nextchar1file; r2 = A[4]; r1 = Init1 & r2; r0 = B[3] | r3; B[4] = ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 4) goto Nextchar1file; } } /* if(NOT Newline) */ else { j++; if (DELIMITER) CurrentByteOffset -= D_length; else CurrentByteOffset -= 1; r1 = Init1 & A[D]; /* match against endofline */ B[D] = ((Next[A[D]>>hh] | Next1[A[D]&LL]) & CMask) | r1; if(TAIL) B[D] = ( Next[B[D]>>hh] | Next1[B[D]&LL] ) | B[D]; /* epsilon move */ if(( B[D] & 1 ) ^ INVERSE) { if(FILENAMEONLY && (NEW_FILE || !POST_FILTER)) { num_of_matched++; if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "%s", CurrentFileName); else { int outindex; for(outindex=0; (outindex+agrep_outpointer<agrep_outlen) && (CurrentFileName[outindex] != '\0'); outindex++) { agrep_outbuffer[agrep_outpointer+outindex] = CurrentFileName[outindex]; } if ((CurrentFileName[outindex] != '\0') || (outindex+agrep_outpointer>=agrep_outlen)) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } agrep_outpointer += outindex; } if (PRINTFILETIME) { char *s = aprint_file_time(CurrentFileTime); if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "%s", s); else { int outindex; for(outindex=0; (outindex+agrep_outpointer<agrep_outlen) && (s[outindex] != '\0'); outindex++) { agrep_outbuffer[agrep_outpointer+outindex] = s[outindex]; } if ((s[outindex] != '\0') || (outindex+agrep_outpointer>=agrep_outlen)) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } agrep_outpointer += outindex; } } if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "\n"); else { if (agrep_outpointer+1>=agrep_outlen) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } else agrep_outbuffer[agrep_outpointer++] = '\n'; } free_buf(Text, buffer); NEW_FILE = OFF; return 0; } if (-1 == r_output(buffer, i, end, j)) {free_buf(Text, buffer); return -1;} if (((LIMITOUTPUT > 0) && (LIMITOUTPUT <= num_of_matched)) || ((LIMITPERFILE > 0) && (LIMITPERFILE <= num_of_matched - prev_num_of_matched))) { free_buf(Text, buffer); return 0; /* done */ } } for(k=0; k<=D; k++) A[k] = Init0; r1 = Init1 & A[0]; B[0] = ((Next[A[0]>>hh] | Next1[A[0]&LL]) & CMask) | r1; for(k=1; k<=D; k++) { r3 = A[k]; r1 = Init1 & r3; r2 = A[k-1] | B[k-1]; B[k] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | ((A[k-1] | Next[r2>>hh] | Next1[r2&LL]) & r_NO_ERR) | r1; } if (DELIMITER) CurrentByteOffset += 1*D_length; else CurrentByteOffset += 1*1; } Nextchar1file: i=i+1; CurrentByteOffset ++; } /* while i < end */ strncpy(buffer, buffer+num_read, Maxline); } /* while fill_buf... */ free_buf(Text, buffer); return 0;#if AGREP_POINTER } else { /* within the memory buffer: assume it starts with a newline at position 0, the actual pattern follows that, and it ends with a '\n' */ num_read = agrep_inlen; buffer = (CHAR *)agrep_inbuffer; end = num_read; /* buffer[end-1] = '\n';*/ /* at end of the text. */ /* buffer[0] = '\n';*/ /* in front of the text. */ i = 0; /* An exact copy of the above RE1_PROCESS_WHEN_DNOTZERO: the while loop below */ while (i < end ) { c = buffer[i]; CMask = Mask[c]; if(c != Newline) { if(CMask != 0) { r2 = B[0]; r1 = Init1 & r2; A[0] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | r1; r3 = B[1]; r1 = Init1 & r3; r0 = r2 | A[0]; /* A[0] | B[0] */ A[1] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | (( r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 1) goto Nextcharmem; r2 = B[2]; r1 = Init1 & r2; r0 = r3 | A[1]; A[2] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 2) goto Nextcharmem; r3 = B[3]; r1 = Init1 & r3; r0 = r2 | A[2]; A[3] = ((Next[r3>>hh] | Next1[r3&LL]) & CMask) | ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 3) goto Nextcharmem; r2 = B[4]; r1 = Init1 & r2; r0 = r3 | A[3]; A[4] = ((Next[r2>>hh] | Next1[r2&LL]) & CMask) | ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 4) goto Nextcharmem; } /* if(CMask) */ else { r2 = B[0]; A[0] = r2 & Init1; r3 = B[1]; r1 = Init1 & r3; r0 = r2 | A[0]; A[1] = ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 1) goto Nextcharmem; r2 = B[2]; r1 = Init1 & r2; r0 = r3 | A[1]; A[2] = ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 2) goto Nextcharmem; r3 = B[3]; r1 = Init1 & r3; r0 = r2 | A[2]; A[3] = ((r2 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 3) goto Nextcharmem; r2 = B[4]; r1 = Init1 & r2; r0 = r3 | A[3]; A[4] = ((r3 | Next[r0>>hh] | Next1[r0&LL])&r_NO_ERR) | r1 ; if(D == 4) goto Nextcharmem; } } else { j++; if (DELIMITER) CurrentByteOffset -= D_length; else CurrentByteOffset -= 1; r1 = Init1 & B[D]; /* match against endofline */ A[D] = ((Next[B[D]>>hh] | Next1[B[D]&LL]) & CMask) | r1; if(TAIL) A[D] = ( Next[A[D]>>hh] | Next1[A[D]&LL] ) | A[D]; /* epsilon move */ if(( A[D] & 1 ) ^ INVERSE) { if(FILENAMEONLY && (NEW_FILE || !POST_FILTER)) { num_of_matched++; if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "%s", CurrentFileName); else { int outindex; for(outindex=0; (outindex+agrep_outpointer<agrep_outlen) && (CurrentFileName[outindex] != '\0'); outindex++) { agrep_outbuffer[agrep_outpointer+outindex] = CurrentFileName[outindex]; } if ((CurrentFileName[outindex] != '\0') || (outindex+agrep_outpointer>=agrep_outlen)) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } agrep_outpointer += outindex; } if (PRINTFILETIME) { char *s = aprint_file_time(CurrentFileTime); if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "%s", s); else { int outindex; for(outindex=0; (outindex+agrep_outpointer<agrep_outlen) && (s[outindex] != '\0'); outindex++) { agrep_outbuffer[agrep_outpointer+outindex] = s[outindex]; } if ((s[outindex] != '\0') || (outindex+agrep_outpointer>=agrep_outlen)) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } agrep_outpointer += outindex; } } if (agrep_finalfp != NULL) fprintf(agrep_finalfp, "\n"); else { if (agrep_outpointer+1>=agrep_outlen) { OUTPUT_OVERFLOW; free_buf(Text, buffer); return -1; } else agrep_outbuffer[agrep_outpointer++] = '\n'; } free_buf(Text, buffer); NEW_FILE = OFF; return 0; } ?? 快捷鍵說明
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