client/tabcomplete.c

   1 /*
   2  * Copyright (c) 2002, Index Data
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: tabcomplete.c,v 1.2 2002-01-30 14:51:45 adam Exp $
   6  */
   7
   8 #include <string.h>
   9 #include <stdio.h>
  10
  11 #include <yaz/oid.h>
  12 #include "tabcomplete.h"
  13
  14 /* *****************************************************************************
  15  *
  16  * generic compleater
  17  *
  18  * *****************************************************************************/
  19
  20 char* complete_from_list(char* completions[], const char *text, int state)
  21 {
  22         static idx;
  23         if(state==0) {
  24                 idx = 0;
  25         }
  26         for(; completions[idx]; ++ idx) {
  27                 if(!strncmp(completions[idx],text,strlen(text))) {
  28                         ++idx; /* skip this entry on the next run */
  29                         return (char*)strdup(completions[idx-1]);
  30                 };
  31         };
  32         return NULL;
  33 }
  34
  35
  36 /* *****************************************************************************
  37  *
  38  * code for getting a list of valid strings from the oid subsystem
  39  *
  40  * *****************************************************************************/
  41
  42
  43 typedef struct {
  44         oid_class oclass;
  45         char** values;
  46         size_t index;
  47         size_t max;
  48 } oid_callback_t;
  49
  50 /*!
  51   This is the call back function given to oid_trav... it updates the list of pointers into the oid
  52   owned data
  53 */
  54
  55 void oid_loader(struct oident* oid, void* data_)
  56 {
  57         oid_callback_t* data=(oid_callback_t*) data_;
  58
  59         //fprintf(stderr,"ja7: called with %d: %s\n",oid->oclass,oid->desc);
  60         if((oid->oclass == CLASS_GENERAL) || (oid->oclass == data->oclass)) {
  61                 if(data->index==data->max) {
  62                         data->values=(char**)realloc(data->values,((data->max+1)*2)*sizeof(char*));
  63                         data->max=(data->max+1)*2 - 1;
  64                 };
  65                 data->values[data->index]=oid->desc;
  66                 ++data->index;
  67         }
  68 };
  69
  70 char** build_list_for_oclass(oid_class oclass) {
  71         oid_callback_t data;
  72         data.values = calloc(10,sizeof(char*));
  73         data.index = 0;
  74         data.max = 9;
  75         data.oclass = oclass;
  76
  77         oid_trav(oid_loader, &data);
  78
  79         data.values[data.index]=0;
  80         return data.values;
  81 }
  82
  83 /* *****************************************************************************
  84  *
  85  * the compleater functions
  86  *
  87  * *****************************************************************************/
  88
  89 char* complete_querytype(const char *text, int state)
  90 {
  91     char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl",0};
  92     return complete_from_list(querytypes,text,state);
  93 }
  94
  95
  96 char* complete_format(const char* text, int state)
  97 {
  98         char** list=build_list_for_oclass(CLASS_RECSYN);
  99         char* res=complete_from_list(list,text,state);
 100
 101         free(list);
 102         return res;
 103 }
 104
 105 char* complete_schema(const char* text, int state)
 106 {
 107         char** list=build_list_for_oclass(CLASS_SCHEMA);
 108         char* res=complete_from_list(list,text,state);
 109
 110         free(list);
 111         return res;
 112 }
 113
 114
 115 char* complete_attributeset(const char* text, int state)
 116 {
 117         char** list=build_list_for_oclass(CLASS_ATTSET);
 118         char* res=complete_from_list(list,text,state);
 119
 120         free(list);
 121         return res;
 122 };
 123
 124 /*
 125  * Local variables:
 126  * tab-width: 4
 127  * c-basic-offset: 4
 128  * End:
 129  */