client/tabcomplete.c

   1 /*
   2  * Copyright (C) 1995-2006, Index Data ApS
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: tabcomplete.c,v 1.15 2006-05-07 19:43:00 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 extern char** current_global_list;
  16
  17 /* ***************************************************************************
  18  *
  19  * generic completer
  20  *
  21  * ***************************************************************************/
  22
  23 char* complete_from_list(char* completions[], const char *text, int state)
  24 {
  25 #if HAVE_READLINE_READLINE_H
  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 #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     oid_class oclass;
  58     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(struct oident* oid, void* data_)
  69 {
  70     oid_callback_t* data=(oid_callback_t*) data_;
  71
  72
  73     if((oid->oclass == CLASS_GENERAL) || (oid->oclass == data->oclass)) {
  74         if(data->index==data->max) {
  75                         data->values=(char**)realloc(data->values,((data->max+1)*2)*sizeof(char*));
  76                         data->max=(data->max+1)*2 - 1;
  77         };
  78         data->values[data->index]=oid->desc;
  79         ++data->index;
  80     }
  81 }
  82
  83 char** build_list_for_oclass(oid_class oclass)
  84 {
  85     oid_callback_t data;
  86     data.values = (char **) calloc(10,sizeof(char*));
  87     data.index = 0;
  88     data.max = 9;
  89     data.oclass = oclass;
  90
  91     oid_trav(oid_loader, &data);
  92
  93     data.values[data.index]=0;
  94     return data.values;
  95 }
  96
  97 /* ***************************************************************************
  98  *
  99  * the completer functions
 100  *
 101  * ***************************************************************************/
 102
 103 char* complete_querytype(const char *text, int state)
 104 {
 105     char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl","cql", 0};
 106     return complete_from_list(querytypes,text,state);
 107 }
 108
 109 char* complete_auto_reconnect(const char *text, int state)
 110 {
 111     char* querytypes[] = {"on","off",0};
 112     return complete_from_list(querytypes,text,state);
 113 }
 114
 115
 116 char* complete_format(const char* text, int state)
 117 {
 118     char** list=build_list_for_oclass(CLASS_RECSYN);
 119     char* res=complete_from_list(list,text,state);
 120
 121     free(list);
 122     return res;
 123 }
 124
 125 char* complete_schema(const char* text, int state)
 126 {
 127     char** list = build_list_for_oclass(CLASS_SCHEMA);
 128     char* res = complete_from_list(list,text,state);
 129
 130     free(list);
 131     return res;
 132 }
 133
 134
 135 char* complete_attributeset(const char* text, int state)
 136 {
 137     char** list = build_list_for_oclass(CLASS_ATTSET);
 138     char* res = complete_from_list(list,text,state);
 139
 140     free(list);
 141     return res;
 142 }
 143
 144
 145 char* default_completer(const char* text, int state)
 146 {
 147     return complete_from_list(current_global_list, text, state);
 148 }
 149
 150 /*
 151  * Local variables:
 152  * c-basic-offset: 4
 153  * indent-tabs-mode: nil
 154  * End:
 155  * vim: shiftwidth=4 tabstop=8 expandtab
 156  */
 157