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 1.16 2006-05-07 20:57:26 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 /* ***************************************************************************
  16  *
  17  * generic completer
  18  *
  19  * ***************************************************************************/
  20
  21 char *complete_from_list(char* completions[], const char *text, int state)
  22 {
  23 #if HAVE_READLINE_READLINE_H
  24     static int idx;
  25
  26     if(!completions) return NULL;
  27     if(state==0) {
  28         idx = 0;
  29     }
  30     for(; completions[idx]; ++ idx) {
  31         if(!
  32 #ifdef WIN32
  33            _strnicmp
  34 #else
  35            strncasecmp
  36 #endif
  37            (completions[idx],text,strlen(text))) {
  38             ++idx; /* skip this entry on the next run */
  39             return (char*)strdup(completions[idx-1]);
  40         };
  41     };
  42 #endif
  43     return NULL;
  44 }
  45
  46
  47 /* ***************************************************************************
  48  *
  49  * code for getting a list of valid strings from the oid subsystem
  50  *
  51  * ***************************************************************************/
  52
  53
  54 typedef struct {
  55     oid_class oclass;
  56     char** values;
  57     size_t index;
  58     size_t max;
  59 } oid_callback_t;
  60
  61 /*!
  62   This is the call back function given to oid_trav... it updates the list
  63   of pointers into the oid owned data
  64 */
  65
  66 void oid_loader(struct oident* oid, void* data_)
  67 {
  68     oid_callback_t* data=(oid_callback_t*) data_;
  69
  70
  71     if((oid->oclass == CLASS_GENERAL) || (oid->oclass == data->oclass)) {
  72         if(data->index==data->max) {
  73                         data->values=(char**)realloc(data->values,((data->max+1)*2)*sizeof(char*));
  74                         data->max=(data->max+1)*2 - 1;
  75         };
  76         data->values[data->index]=oid->desc;
  77         ++data->index;
  78     }
  79 }
  80
  81 char** build_list_for_oclass(oid_class oclass)
  82 {
  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 /*
 144  * Local variables:
 145  * c-basic-offset: 4
 146  * indent-tabs-mode: nil
 147  * End:
 148  * vim: shiftwidth=4 tabstop=8 expandtab
 149  */
 150