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/*
* lejp test app
*
* Written in 2010-2019 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*
* This demonstrates a minimal http server that performs a form GET with a couple
* of parameters. It dumps the parameters to the console log and redirects
* to another page.
*/
#include <libwebsockets.h>
#include <string.h>
static const char * const reason_names[] = {
"LEJPCB_CONSTRUCTED",
"LEJPCB_DESTRUCTED",
"LEJPCB_START",
"LEJPCB_COMPLETE",
"LEJPCB_FAILED",
"LEJPCB_PAIR_NAME",
"LEJPCB_VAL_TRUE",
"LEJPCB_VAL_FALSE",
"LEJPCB_VAL_NULL",
"LEJPCB_VAL_NUM_INT",
"LEJPCB_VAL_NUM_FLOAT",
"LEJPCB_VAL_STR_START",
"LEJPCB_VAL_STR_CHUNK",
"LEJPCB_VAL_STR_END",
"LEJPCB_ARRAY_START",
"LEJPCB_ARRAY_END",
"LEJPCB_OBJECT_START",
"LEJPCB_OBJECT_END",
"LEJPCB_OBJECT_END_PRE",
};
static const char * const tok[] = {
"dummy___"
};
static signed char
cb(struct lejp_ctx *ctx, char reason)
{
char buf[1024], *p = buf, *end = &buf[sizeof(buf)];
int n;
for (n = 0; n < ctx->sp; n++)
*p++ = ' ';
*p = '\0';
if (reason & LEJP_FLAG_CB_IS_VALUE) {
p += lws_snprintf(p, p - end, " value '%s' ", ctx->buf);
if (ctx->ipos) {
int n;
p += lws_snprintf(p, p - end, "(array indexes: ");
for (n = 0; n < ctx->ipos; n++)
p += lws_snprintf(p, p - end, "%d ", ctx->i[n]);
p += lws_snprintf(p, p - end, ") ");
}
lwsl_notice("%s (%s)\r\n", buf,
reason_names[(unsigned int)
(reason) & (LEJP_FLAG_CB_IS_VALUE - 1)]);
(void)reason_names; /* NO_LOGS... */
return 0;
}
switch (reason) {
case LEJPCB_COMPLETE:
lwsl_notice("%sParsing Completed (LEJPCB_COMPLETE)\n", buf);
break;
case LEJPCB_PAIR_NAME:
lwsl_notice("%spath: '%s' (LEJPCB_PAIR_NAME)\n", buf, ctx->path);
break;
}
lwsl_notice("%s%s: path %s match %d statckp %d\r\n", buf, reason_names[(unsigned int)
(reason) & (LEJP_FLAG_CB_IS_VALUE - 1)], ctx->path,
ctx->path_match, ctx->pst[ctx->pst_sp].ppos);
return 0;
}
int
main(int argc, char *argv[])
{
int fd, n = 1, ret = 1, m;
struct lejp_ctx ctx;
char buf[128];
lws_set_log_level(7, NULL);
lwsl_notice("libwebsockets-test-lejp (C) 2017 - 2018 andy@warmcat.com\n");
lwsl_notice(" usage: cat my.json | libwebsockets-test-lejp\n\n");
lejp_construct(&ctx, cb, NULL, tok, LWS_ARRAY_SIZE(tok));
fd = 0;
while (n > 0) {
n = read(fd, buf, sizeof(buf));
if (n <= 0)
continue;
m = lejp_parse(&ctx, (uint8_t *)buf, n);
if (m < 0 && m != LEJP_CONTINUE) {
lwsl_err("parse failed %d\n", m);
goto bail;
}
}
lwsl_notice("okay\n");
ret = 0;
bail:
lejp_destruct(&ctx);
return ret;
}