client/tabcomplete.c

   1 /*
   2  * Copyright (C) 1995-2007, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: tabcomplete.c,v 1.19 2007-05-08 08:22:35 adam Exp $
   6  */
   7
   8 #include <string.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11
  12 #include "tabcomplete.h"
  13 #include <yaz/oid_db.h>
  14
  15 /* ***************************************************************************
  16  *
  17  * generic completer
  18  *
  19  * ***************************************************************************/
  20
  21 char *complete_from_list(const char** completions,
  22                          const char *text, int state)
  23 {
  24 #if HAVE_READLINE_READLINE_H
  25     static int idx;
  26
  27     if (!completions)
  28         return NULL;
  29     if (state==0)
  30         idx = 0;
  31     for(; completions[idx]; ++ idx) {
  32         if(!
  33 #ifdef WIN32
  34            _strnicmp
  35 #else
  36            strncasecmp
  37 #endif
  38            (completions[idx],text,strlen(text))) {
  39             ++idx; /* skip this entry on the next run */
  40             return (char*)strdup(completions[idx-1]);
  41         };
  42     };
  43 #endif
  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     int oclass;
  57     const 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(const Odr_oid *oid,
  68                 oid_class oclass, const char *name, void* data_)
  69 {
  70     oid_callback_t* data=(oid_callback_t*) data_;
  71
  72     if ((oclass == CLASS_GENERAL) || (oclass == data->oclass))
  73     {
  74         if (data->index==data->max)
  75         {
  76             data->values=(const char**)
  77                 realloc(data->values,((data->max+1)*2)*sizeof(char*));
  78             data->max=(data->max+1)*2 - 1;
  79         }
  80         data->values[data->index] = name;
  81         ++data->index;
  82     }
  83 }
  84
  85 const char** build_list_for_oclass(oid_class oclass)
  86 {
  87     oid_callback_t data;
  88     data.values = (const char **) calloc(10,sizeof(char*));
  89     data.index = 0;
  90     data.max = 9;
  91     data.oclass = oclass;
  92
  93     yaz_oid_trav(yaz_oid_std(), oid_loader, &data);
  94
  95     data.values[data.index]=0;
  96     return data.values;
  97 }
  98
  99 /* ***************************************************************************
 100  *
 101  * the completer functions
 102  *
 103  * ***************************************************************************/
 104
 105 char* complete_querytype(const char *text, int state)
 106 {
 107     static const char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl","cql", 0};
 108     return complete_from_list(querytypes,text,state);
 109 }
 110
 111 char* complete_auto_reconnect(const char *text, int state)
 112 {
 113     static const char* querytypes[] = {"on","off",0};
 114     return complete_from_list(querytypes,text,state);
 115 }
 116
 117
 118 char* complete_format(const char* text, int state)
 119 {
 120     const char** list = build_list_for_oclass(CLASS_RECSYN);
 121     char* res=complete_from_list(list,text,state);
 122
 123     free(list);
 124     return res;
 125 }
 126
 127 char* complete_schema(const char* text, int state)
 128 {
 129     const char** list = build_list_for_oclass(CLASS_SCHEMA);
 130     char* res = complete_from_list(list,text,state);
 131
 132     free(list);
 133     return res;
 134 }
 135
 136
 137 char* complete_attributeset(const char* text, int state)
 138 {
 139     const char** list = build_list_for_oclass(CLASS_ATTSET);
 140     char* res = complete_from_list(list,text,state);
 141
 142     free(list);
 143     return res;
 144 }
 145
 146
 147 /*
 148  * Local variables:
 149  * c-basic-offset: 4
 150  * indent-tabs-mode: nil
 151  * End:
 152  * vim: shiftwidth=4 tabstop=8 expandtab
 153  */
 154