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Diff for /OpenXM_contrib2/asir2000/parse/history.c between version 1.1 and 1.4

version 1.1, 1999/12/03 07:39:12 version 1.4, 2018/03/29 01:32:54
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 /* $OpenXM: OpenXM/src/asir99/parse/history.c,v 1.1.1.1 1999/11/10 08:12:34 noro Exp $ */  /*
    * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
    * All rights reserved.
    *
    * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
    * non-exclusive and royalty-free license to use, copy, modify and
    * redistribute, solely for non-commercial and non-profit purposes, the
    * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
    * conditions of this Agreement. For the avoidance of doubt, you acquire
    * only a limited right to use the SOFTWARE hereunder, and FLL or any
    * third party developer retains all rights, including but not limited to
    * copyrights, in and to the SOFTWARE.
    *
    * (1) FLL does not grant you a license in any way for commercial
    * purposes. You may use the SOFTWARE only for non-commercial and
    * non-profit purposes only, such as academic, research and internal
    * business use.
    * (2) The SOFTWARE is protected by the Copyright Law of Japan and
    * international copyright treaties. If you make copies of the SOFTWARE,
    * with or without modification, as permitted hereunder, you shall affix
    * to all such copies of the SOFTWARE the above copyright notice.
    * (3) An explicit reference to this SOFTWARE and its copyright owner
    * shall be made on your publication or presentation in any form of the
    * results obtained by use of the SOFTWARE.
    * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
    * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
    * for such modification or the source code of the modified part of the
    * SOFTWARE.
    *
    * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
    * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
    * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
    * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
    * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
    * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
    * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
    * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
    * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
    * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
    * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
    * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
    * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
    * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
    * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
    * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
    * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
    *
    * $OpenXM: OpenXM_contrib2/asir2000/parse/history.c,v 1.3 2000/08/22 05:04:27 noro Exp $
   */
 #include <stdio.h>  #include <stdio.h>
 #include <string.h>  #include <string.h>
 #include <malloc.h>  #include <malloc.h>
Line 15  static int hist_traverse, hist_traverse_index;
Line 63  static int hist_traverse, hist_traverse_index;
   
 void init_hist(int max)  void init_hist(int max)
 {  {
         hist_length = max;    hist_length = max;
         hist_table = (char **)calloc(hist_length,sizeof(char *));    hist_table = (char **)calloc(hist_length,sizeof(char *));
         hist_full = 0;    hist_full = 0;
         hist_current = -1;    hist_current = -1;
 }  }
   
 void reset_traverse(void)  void reset_traverse(void)
 {  {
         hist_traverse = 0;    hist_traverse = 0;
 }  }
   
 void add_hist(char *p)  void add_hist(char *p)
 {  {
         if ( hist_current >= 0 && CURRENT && !strcmp(p,CURRENT) )    if ( hist_current >= 0 && CURRENT && !strcmp(p,CURRENT) )
                 return;      return;
         hist_current++;    hist_current++;
         if ( hist_current == hist_length ) {    if ( hist_current == hist_length ) {
                 hist_current = 0;      hist_current = 0;
                 hist_full = 1;      hist_full = 1;
         }    }
         CURRENT = (char *)realloc(CURRENT,strlen(p)+1);    CURRENT = (char *)realloc(CURRENT,strlen(p)+1);
         strcpy(CURRENT,p);    strcpy(CURRENT,p);
 }  }
   
 char *search_hist(char *p)  char *search_hist(char *p)
 {  {
         int len,slen,index,i;    int len,slen,index,i;
   
         if ( *p == '!' ) {    if ( *p == '!' ) {
                 if ( hist_current < 0 )      if ( hist_current < 0 )
                         return 0;        return 0;
                 else      else
                         return CURRENT;        return CURRENT;
         }    }
         slen = strlen(p);    slen = strlen(p);
         len = hist_full ? hist_length : hist_current+1;    len = hist_full ? hist_length : hist_current+1;
         index = hist_current;    index = hist_current;
         for ( i = len; i; i--, index-- ) {    for ( i = len; i; i--, index-- ) {
                 if ( index < 0 )      if ( index < 0 )
                         index += hist_length;        index += hist_length;
                 if ( !strncmp(p,hist_table[index],slen) )      if ( !strncmp(p,hist_table[index],slen) )
                         return hist_table[index];        return hist_table[index];
         }    }
         return 0;    return 0;
 }  }
   
 void read_hist(char *fname)  void read_hist(char *fname)
 {  {
         int l;    int l;
         char buf[BUFSIZ];    char buf[BUFSIZ];
         FILE *fp;    FILE *fp;
   
         if ( !(fp = fopen(fname,"rb")) )    if ( !(fp = fopen(fname,"rb")) )
                 return;      return;
         while ( fgets(buf,BUFSIZ-1,fp) ) {    while ( fgets(buf,BUFSIZ-1,fp) ) {
                 l = strlen(buf);      l = strlen(buf);
                 if ( buf[l-1] == '\n' )      if ( buf[l-1] == '\n' )
                         buf[l-1] = 0;        buf[l-1] = 0;
                 add_hist(buf);      add_hist(buf);
         }    }
         fclose(fp);    fclose(fp);
 }  }
   
 void write_hist(char *fname)  void write_hist(char *fname)
 {  {
         int len,index,i;    int len,index,i;
         FILE *fp;    FILE *fp;
   
         if ( !(fp = fopen(fname,"wb")) )    if ( !(fp = fopen(fname,"wb")) )
                 return;      return;
         len = hist_full ? hist_length : hist_current+1;    len = hist_full ? hist_length : hist_current+1;
         index = hist_full ? hist_current+1 : 0;    index = hist_full ? hist_current+1 : 0;
         for ( i = 0; i < len; i++, index++ ) {    for ( i = 0; i < len; i++, index++ ) {
                 if ( index >= hist_length )      if ( index >= hist_length )
                         index -= hist_length;        index -= hist_length;
                 fprintf(fp,"%s\n",hist_table[index]);      fprintf(fp,"%s\n",hist_table[index]);
         }    }
         fclose(fp);    fclose(fp);
 }  }
   
 char *next_hist(void) {  char *next_hist(void) {
         if ( !hist_traverse || hist_traverse_index == hist_current )    if ( !hist_traverse || hist_traverse_index == hist_current )
                 return 0;      return 0;
         else {    else {
                 hist_traverse_index = (hist_traverse_index+1) % hist_length;      hist_traverse_index = (hist_traverse_index+1) % hist_length;
                 return hist_table[hist_traverse_index];      return hist_table[hist_traverse_index];
         }    }
 }  }
   
 char *prev_hist(void) {  char *prev_hist(void) {
         if ( !hist_traverse ) {    if ( !hist_traverse ) {
                 if ( hist_current >= 0 ) {      if ( hist_current >= 0 ) {
                         hist_traverse = 1;        hist_traverse = 1;
                         hist_traverse_index = hist_current;        hist_traverse_index = hist_current;
                         return hist_table[hist_traverse_index];        return hist_table[hist_traverse_index];
                 } else      } else
                         return 0;        return 0;
         } else {    } else {
                 hist_traverse_index--;      hist_traverse_index--;
                 if ( hist_traverse_index < 0 )      if ( hist_traverse_index < 0 )
                         if ( hist_full )        if ( hist_full )
                                 hist_traverse_index += hist_length;          hist_traverse_index += hist_length;
                         else        else
                                 hist_traverse_index = 0;          hist_traverse_index = 0;
                 return hist_table[hist_traverse_index];      return hist_table[hist_traverse_index];
         }    }
 }  }
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