ekhtml_tester.c

/*
 * Copyright (c) 2002, Jon Travis
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>

#include "ekhtml.h"

#define MAGIC_DOODIE 0xf9d33bc1

typedef struct {
	unsigned int n_starttags;
	unsigned int n_endtags;
	unsigned int n_comments;
	unsigned int n_data;
	unsigned int magic_doodie;
	unsigned int only_parse;
} tester_cbdata;

static void handle_starttag_way(void *cbdata, ekhtml_string_t * tag,
				ekhtml_attr_t * attrs)
{
	printf("GOT WAY START!\n");
}

static void handle_starttag(void *cbdata, ekhtml_string_t * tag,
			    ekhtml_attr_t * attrs)
{
	ekhtml_attr_t *attr;
	tester_cbdata *tdata = cbdata;

	assert(tdata->magic_doodie == MAGIC_DOODIE);
	tdata->n_starttags++;
	if (tdata->only_parse)
		return;

	printf("START: \"%.*s\"\n", (int)tag->len, tag->str);
	for (attr = attrs; attr; attr = attr->next) {
		printf("ATTRIBUTE: \"%.*s\" = ", (int)attr->name.len,
		       attr->name.str);
		if (!attr->isBoolean)
			printf("\"%.*s\"\n", (int)attr->val.len, attr->val.str);
		else
			printf("\"%.*s\"\n", (int)attr->name.len,
			       attr->name.str);
	}
}

static void handle_endtag(void *cbdata, ekhtml_string_t * str)
{
	tester_cbdata *tdata = cbdata;

	assert(tdata->magic_doodie == MAGIC_DOODIE);
	tdata->n_endtags++;
	if (tdata->only_parse)
		return;

	printf("END: \"%.*s\"\n", (int)str->len, str->str);
}

static void handle_comment(void *cbdata, ekhtml_string_t * str)
{
	tester_cbdata *tdata = cbdata;

	assert(tdata->magic_doodie == MAGIC_DOODIE);
	tdata->n_comments++;
	if (tdata->only_parse)
		return;

	printf("COMMENT: \"%.*s\"\n", (int)str->len, str->str);
}

static void handle_data(void *cbdata, ekhtml_string_t * str)
{
	tester_cbdata *tdata = cbdata;

	assert(tdata->magic_doodie == MAGIC_DOODIE);
	tdata->n_data++;
	if (tdata->only_parse)
		return;

	fwrite(str->str, str->len, 1, stdout);
}

int main(int argc, char *argv[])
{
	tester_cbdata cbdata;
	ekhtml_parser_t *ekparser;
	char *buf;
	size_t nbuf;
	int feedsize;

	if (argc < 2) {
		fprintf(stderr,
			"Syntax: %s <feedsize> [1|0 (to print debug)]\n",
			argv[0]);
		return -1;
	}

	feedsize = atoi(argv[1]);

	ekparser = ekhtml_parser_new(NULL);

	cbdata.n_starttags = 0;
	cbdata.n_endtags = 0;
	cbdata.n_comments = 0;
	cbdata.n_data = 0;
	cbdata.magic_doodie = MAGIC_DOODIE;
	cbdata.only_parse = argc == 3;

	ekhtml_parser_datacb_set(ekparser, handle_data);
	ekhtml_parser_commentcb_set(ekparser, handle_comment);
	ekhtml_parser_startcb_add(ekparser, "h1", handle_starttag_way);
	ekhtml_parser_startcb_add(ekparser, "title", handle_starttag_way);
	ekhtml_parser_startcb_add(ekparser, NULL, handle_starttag);
	//ekhtml_parser_endcb_add(ekparser, "H1", handle_starttag_way);
	ekhtml_parser_endcb_add(ekparser, NULL, handle_endtag);
	ekhtml_parser_cbdata_set(ekparser, &cbdata);
	buf = malloc(feedsize);

	while ((nbuf = fread(buf, 1, feedsize, stdin))) {
		ekhtml_string_t str;

		str.str = buf;
		str.len = nbuf;
		ekhtml_parser_feed(ekparser, &str);
		ekhtml_parser_flush(ekparser, 0);
	}
	ekhtml_parser_flush(ekparser, 1);
	ekhtml_parser_destroy(ekparser);
	free(buf);

	if (argc == 3) {
		fprintf(stderr,
			"# starttags: %u\n"
			"# endtags:   %u\n"
			"# comments:  %u\n"
			"# data:      %u\n", cbdata.n_starttags,
			cbdata.n_endtags, cbdata.n_comments, cbdata.n_data);
	}

	return 0;
}