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