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Linenoise with rax.

This commit is contained in:
Simon Forman 2023-02-20 12:53:58 -08:00
parent 7d93262c81
commit 2d3c17c152
2 changed files with 37 additions and 3 deletions
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2
implementations/C/Makefile
View File

@ -47,4 +47,4 @@ linenoise.o: linenoise.c linenoise.h
cc -c linenoise.c -o linenoise.o
tryrax: try_rax.c
cc try_rax.c rax.o -lm -o tryrax
cc try_rax.c rax.o linenoise.o -lm -o tryrax

38
implementations/C/try_rax.c
View File

@ -1,14 +1,38 @@
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "linenoise.h"
#include "rax.h"
rax *rt;
#define INSERT(key) raxInsert(rt, (unsigned char*)(key), sizeof((key)), NULL, NULL);
void
completion(const char *buf, linenoiseCompletions *lc)
{
int n = strnlen(buf, 1024);
raxIterator iter;
raxStart(&iter, rt);
raxSeek(&iter, ">=", (unsigned char*)buf, n);
while(raxNext(&iter)) {
if (strncmp((const char *)iter.key, buf, n))
break;
linenoiseAddCompletion(lc, (const char *)iter.key);
}
raxStop(&iter);
}
int
main()
{
rax *rt = raxNew();
char *line;
linenoiseSetCompletionCallback(completion);
rt = raxNew();
INSERT("=")
INSERT(">")
INSERT("<")
@ -177,6 +201,16 @@ main()
INSERT("_\\/_")
INSERT("/\\")
INSERT("\\/")
/*
raxShow(rt);
}
*/
while (1) {
line = linenoise("eh? ");
if (NULL == line) {
printf("\n");
break;
}
linenoiseHistoryAdd(line);
}
}