client/tabcomplete.c

   1 /* This file is part of the YAZ toolkit.
   2  * Copyright (C) Index Data
   3  * See the file LICENSE for details.
   4  */
   5 #if HAVE_CONFIG_H
   6 #include <config.h>
   7 #endif
   8
   9 #include <string.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12
  13 #include "tabcomplete.h"
  14 #include <yaz/oid_db.h>
  15
  16 /* ***************************************************************************
  17  *
  18  * generic completer
  19  *
  20  * ***************************************************************************/
  21
  22 char *complete_from_list(const char** completions,
  23                          const char *text, int state)
  24 {
  25 #if HAVE_READLINE_READLINE_H
  26     static int idx;
  27
  28     if (!completions)
  29         return NULL;
  30     if (state==0)
  31         idx = 0;
  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 #endif
  45     return NULL;
  46 }
  47
  48
  49 /* ***************************************************************************
  50  *
  51  * code for getting a list of valid strings from the oid subsystem
  52  *
  53  * ***************************************************************************/
  54
  55
  56 typedef struct {
  57     int oclass;
  58     const char** values;
  59     size_t index;
  60     size_t max;
  61 } oid_callback_t;
  62
  63 /*!
  64   This is the call back function given to oid_trav... it updates the list
  65   of pointers into the oid owned data
  66 */
  67
  68 void oid_loader(const Odr_oid *oid,
  69                 oid_class oclass, const char *name, void* data_)
  70 {
  71     oid_callback_t* data=(oid_callback_t*) data_;
  72
  73     if ((oclass == CLASS_GENERAL) || (oclass == data->oclass))
  74     {
  75         if (data->index==data->max)
  76         {
  77             data->values=(const char**)
  78                 realloc(data->values,((data->max+1)*2)*sizeof(char*));
  79             data->max=(data->max+1)*2 - 1;
  80         }
  81         data->values[data->index] = name;
  82         ++data->index;
  83     }
  84 }
  85
  86 const char** build_list_for_oclass(oid_class oclass)
  87 {
  88     oid_callback_t data;
  89     data.values = (const char **) calloc(10,sizeof(char*));
  90     data.index = 0;
  91     data.max = 9;
  92     data.oclass = oclass;
  93
  94     yaz_oid_trav(yaz_oid_std(), oid_loader, &data);
  95
  96     data.values[data.index]=0;
  97     return data.values;
  98 }
  99
 100 /* ***************************************************************************
 101  *
 102  * the completer functions
 103  *
 104  * ***************************************************************************/
 105
 106 char* complete_querytype(const char *text, int state)
 107 {
 108     static const char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl","cql", "cql2rpn", 0};
 109     return complete_from_list(querytypes,text,state);
 110 }
 111
 112 char* complete_auto_reconnect(const char *text, int state)
 113 {
 114     static const char* querytypes[] = {"on","off",0};
 115     return complete_from_list(querytypes,text,state);
 116 }
 117
 118
 119 char* complete_format(const char* text, int state)
 120 {
 121     const char** list = build_list_for_oclass(CLASS_RECSYN);
 122     char* res=complete_from_list(list,text,state);
 123
 124     free(list);
 125     return res;
 126 }
 127
 128 char* complete_schema(const char* text, int state)
 129 {
 130     const char** list = build_list_for_oclass(CLASS_SCHEMA);
 131     char* res = complete_from_list(list,text,state);
 132
 133     free(list);
 134     return res;
 135 }
 136
 137
 138 char* complete_attributeset(const char* text, int state)
 139 {
 140     const char** list = build_list_for_oclass(CLASS_ATTSET);
 141     char* res = complete_from_list(list,text,state);
 142
 143     free(list);
 144     return res;
 145 }
 146
 147
 148 /*
 149  * Local variables:
 150  * c-basic-offset: 4
 151  * c-file-style: "Stroustrup"
 152  * indent-tabs-mode: nil
 153  * End:
 154  * vim: shiftwidth=4 tabstop=8 expandtab
 155  */
 156