client/tabcomplete.c

   1 /*
   2  * Copyright (c) 2002, Index Data
   3  * See the file LICENSE for details.
   4  *
   5  * $Id: tabcomplete.c,v 1.6 2002-07-12 13:42:20 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** curret_global_list;
  16
  17 /* *****************************************************************************
  18  *
  19  * generic compleater
  20  *
  21  * *****************************************************************************/
  22
  23 char* complete_from_list(char* completions[], const char *text, int state)
  24 {
  25         static int idx;
  26
  27         if(!completions) return NULL;
  28         if(state==0) {
  29                 idx = 0;
  30         }
  31         for(; completions[idx]; ++ idx) {
  32                 if(!
  33 #ifdef WIN32
  34                     _strnicmp
  35 #else
  36                     strncasecmp
  37 #endif
  38                     (completions[idx],text,strlen(text))) {
  39                         ++idx; /* skip this entry on the next run */
  40                         return (char*)strdup(completions[idx-1]);
  41                 };
  42         };
  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 of pointers into the oid
  63   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         oid_callback_t data;
  83         data.values = calloc(10,sizeof(char*));
  84         data.index = 0;
  85         data.max = 9;
  86         data.oclass = oclass;
  87
  88         oid_trav(oid_loader, &data);
  89
  90         data.values[data.index]=0;
  91         return data.values;
  92 }
  93
  94 /* *****************************************************************************
  95  *
  96  * the compleater functions
  97  *
  98  * *****************************************************************************/
  99
 100 char* complete_querytype(const char *text, int state)
 101 {
 102     char* querytypes[] = {"ccl2rpn","prefix","cclrpn","ccl",0};
 103     return complete_from_list(querytypes,text,state);
 104 }
 105
 106
 107 char* complete_format(const char* text, int state)
 108 {
 109         char** list=build_list_for_oclass(CLASS_RECSYN);
 110         char* res=complete_from_list(list,text,state);
 111
 112         free(list);
 113         return res;
 114 }
 115
 116 char* complete_schema(const char* text, int state)
 117 {
 118         char** list=build_list_for_oclass(CLASS_SCHEMA);
 119         char* res=complete_from_list(list,text,state);
 120
 121         free(list);
 122         return res;
 123 }
 124
 125
 126 char* complete_attributeset(const char* text, int state)
 127 {
 128         char** list=build_list_for_oclass(CLASS_ATTSET);
 129         char* res=complete_from_list(list,text,state);
 130
 131         free(list);
 132         return res;
 133 }
 134
 135
 136 char* default_completer(const char* text, int state)
 137 {
 138         return complete_from_list(curret_global_list,text,state);
 139 }
 140
 141
 142
 143 /*
 144  * Local variables:
 145  * tab-width: 4
 146  * c-basic-offset: 4
 147  * End:
 148  */