client/tabcomplete.c

   1 /*
   2  * Copyright (C) 1995-2005, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: tabcomplete.c,v 1.13 2006-05-07 19:37:23 adam Exp $
   6  */
   7
   8 #include <string.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11
  12 #include <yaz/oid.h>
  13 #include "tabcomplete.h"
  14
  15 #if HAVE_READLINE_READLINE_H
  16 extern char** curret_global_list;
  17
  18 /* ***************************************************************************
  19  *
  20  * generic completer
  21  *
  22  * ***************************************************************************/
  23
  24 char* complete_from_list(char* completions[], const char *text, int state)
  25 {
  26     static int idx;
  27
  28     if(!completions) return NULL;
  29     if(state==0) {
  30         idx = 0;
  31     }
  32     for(; completions[idx]; ++ idx) {
  33         if(!
  34 #ifdef WIN32
  35            _strnicmp
  36 #else
  37            strncasecmp
  38 #endif
  39            (completions[idx],text,strlen(text))) {
  40             ++idx; /* skip this entry on the next run */
  41             return (char*)strdup(completions[idx-1]);
  42         };
  43     };
  44     return NULL;
  45 }
  46
  47
  48 /* ***************************************************************************
  49  *
  50  * code for getting a list of valid strings from the oid subsystem
  51  *
  52  * ***************************************************************************/
  53
  54
  55 typedef struct {
  56     oid_class oclass;
  57     char** values;
  58     size_t index;
  59     size_t max;
  60 } oid_callback_t;
  61
  62 /*!
  63   This is the call back function given to oid_trav... it updates the list
  64   of pointers into the oid owned data
  65 */
  66
  67 void oid_loader(struct oident* oid, void* data_)
  68 {
  69     oid_callback_t* data=(oid_callback_t*) data_;
  70
  71
  72     if((oid->oclass == CLASS_GENERAL) || (oid->oclass == data->oclass)) {
  73         if(data->index==data->max) {
  74                         data->values=(char**)realloc(data->values,((data->max+1)*2)*sizeof(char*));
  75                         data->max=(data->max+1)*2 - 1;
  76         };
  77         data->values[data->index]=oid->desc;
  78         ++data->index;
  79     }
  80 }
  81
  82 char** build_list_for_oclass(oid_class oclass) {
  83     oid_callback_t data;
  84     data.values = (char **) calloc(10,sizeof(char*));
  85     data.index = 0;
  86     data.max = 9;
  87     data.oclass = oclass;
  88
  89     oid_trav(oid_loader, &data);
  90
  91     data.values[data.index]=0;
  92     return data.values;
  93 }
  94
  95 /* ***************************************************************************
  96  *
  97  * the completer functions
  98  *
  99  * ***************************************************************************/
 100
 101 char* complete_querytype(const char *text, int state)
 102 {
 103     char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl","cql", 0};
 104     return complete_from_list(querytypes,text,state);
 105 }
 106
 107 char* complete_auto_reconnect(const char *text, int state)
 108 {
 109     char* querytypes[] = {"on","off",0};
 110     return complete_from_list(querytypes,text,state);
 111 }
 112
 113
 114 char* complete_format(const char* text, int state)
 115 {
 116     char** list=build_list_for_oclass(CLASS_RECSYN);
 117     char* res=complete_from_list(list,text,state);
 118
 119     free(list);
 120     return res;
 121 }
 122
 123 char* complete_schema(const char* text, int state)
 124 {
 125     char** list=build_list_for_oclass(CLASS_SCHEMA);
 126     char* res=complete_from_list(list,text,state);
 127
 128     free(list);
 129     return res;
 130 }
 131
 132
 133 char* complete_attributeset(const char* text, int state)
 134 {
 135     char** list=build_list_for_oclass(CLASS_ATTSET);
 136     char* res=complete_from_list(list,text,state);
 137
 138     free(list);
 139     return res;
 140 }
 141
 142
 143 char* default_completer(const char* text, int state)
 144 {
 145     return complete_from_list(curret_global_list,text,state);
 146 }
 147 #endif
 148
 149 /*
 150  * Local variables:
 151  * c-basic-offset: 4
 152  * indent-tabs-mode: nil
 153  * End:
 154  * vim: shiftwidth=4 tabstop=8 expandtab
 155  */
 156