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/*
* Clean up an HTML file:
* Insert missing tags.
*
* Copyright © 1994-2000 World Wide Web Consortium
* See http://www.w3.org/Consortium/Legal/copyright-software
*
* 16 September 1997
* Bert Bos
* $Id: hxclean.c,v 1.4 2017/11/24 09:50:25 bbos Exp $
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include "export.h"
#include "types.e"
#include "tree.e"
#include "html.e"
#include "scan.e"
static Tree tree;
/* handle_error -- called when a parse error occurred */
void handle_error(void *clientdata, const string s, int lineno)
{
fprintf(stderr, "%d: %s\n", lineno, s);
}
/* start -- called before the first event is reported */
void* start(void)
{
tree = create();
return NULL;
}
/* end -- called after the last even is reported */
void end(void *clientdata)
{
/* skip */
}
/* handle_comment -- called after a comment is parsed */
void handle_comment(void *clientdata, string commenttext)
{
tree = append_comment(tree, commenttext);
}
/* handle_text -- called after a tex chunk is parsed */
void handle_text(void *clientdata, string text)
{
tree = append_text(tree, text);
}
/* handle_decl -- called after a declaration is parsed */
void handle_decl(void *clientdata, string gi,
string fpi, string url)
{
tree = append_declaration(tree, gi, fpi, url);
}
/* handle_pi -- called after a PI is parsed */
void handle_pi(void *clientdata, string pi_text)
{
tree = append_procins(tree, pi_text);
}
/* handle_starttag -- called after a start tag is parsed */
void handle_starttag(void *clientdata, string name, pairlist attribs)
{
tree = html_push(tree, name, attribs);
}
/* handle_emptytag -- called after an empty tag is parsed */
void handle_emptytag(void *clientdata, string name, pairlist attribs)
{
tree = html_push(tree, name, attribs);
}
/* handle_pop -- called after an endtag is parsed (name may be "") */
void handle_endtag(void *clientdata, string name)
{
tree = html_pop(tree, name);
}
int main(int argc, char *argv[])
{
/* Bind the parser callback routines to our handlers */
set_error_handler(handle_error);
set_start_handler(start);
set_end_handler(end);
set_comment_handler(handle_comment);
set_text_handler(handle_text);
set_decl_handler(handle_decl);
set_pi_handler(handle_pi);
set_starttag_handler(handle_starttag);
set_emptytag_handler(handle_emptytag);
set_endtag_handler(handle_endtag);
if (argc == 1) {
yyin = stdin;
} else if (argc == 2) {
yyin = fopen(argv[1], "r");
if (yyin == NULL) {
perror(argv[1]);
exit(2);
}
} else {
fprintf(stderr, "Version %s\n", VERSION);
fprintf(stderr, "Usage: %s [html-file]\n", argv[0]);
exit(1);
}
if (yyparse() != 0) {
exit(3);
}
tree = get_root(tree);
dumptree(tree, stdout);
return 0;
}
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