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Com: iocsh: Tab completion of variable names for "var"

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This commit is contained in:
Michael Davidsaver
2022-11-29 08:16:10 -08:00
parent d9ca8a70f0
commit b38ff09f6e
1 changed files with 26 additions and 0 deletions
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26
modules/libcom/src/iocsh/iocsh.cpp
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@@ -481,6 +481,29 @@ char* iocsh_complete_command(const char* word, int notfirst)
return NULL;
}
char* iocsh_complete_variable(const char* word, int notfirst)
{
// ick! ... readline is not re-entrant anyway
static const iocshVariable *next;
if(!notfirst) { // aka. first call
next = iocshVariableHead;
}
const size_t wlen = strlen(word);
while(next) {
const iocshVariable *cur = next;
next = next->next;
if(strncmp(word, cur->pVarDef->name, wlen)==0) {
return strdup(cur->pVarDef->name);
}
}
return NULL;
}
char** iocsh_attempt_completion(const char* word, int start, int end)
{
const char *line = rl_line_buffer;
@@ -563,6 +586,9 @@ char** iocsh_attempt_completion(const char* word, int start, int end)
} else if(arg==1 && strcmp(def->pFuncDef->name, "help")==0) {
return rl_completion_matches(word, iocsh_complete_command);
} else if(arg==1 && strcmp(def->pFuncDef->name, "var")==0) {
return rl_completion_matches(word, iocsh_complete_variable);
}
}