client/tabcomplete.c

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