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/*****************************************************************
* outline.c
*
* Copyright 1999, Clark Cooper
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the license contained in the
* COPYING file that comes with the expat distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Read an XML document from standard input and print an element
* outline on standard output.
*/
#include <stdio.h>
#include <expat.h>
#define BUFFSIZE 8192
char Buff[BUFFSIZE];
int Depth;
static void XMLCALL
start(void *data, const char *el, const char **attr)
{
int i;
for (i = 0; i < Depth; i++)
printf(" ");
printf("%s", el);
for (i = 0; attr[i]; i += 2) {
printf(" %s='%s'", attr[i], attr[i + 1]);
}
printf("\n");
Depth++;
}
static void XMLCALL
end(void *data, const char *el)
{
Depth--;
}
int
main(int argc, char *argv[])
{
XML_Parser p = XML_ParserCreate(NULL);
if (! p) {
fprintf(stderr, "Couldn't allocate memory for parser\n");
exit(-1);
}
XML_SetElementHandler(p, start, end);
for (;;) {
int done;
int len;
len = fread(Buff, 1, BUFFSIZE, stdin);
if (ferror(stdin)) {
fprintf(stderr, "Read error\n");
exit(-1);
}
done = feof(stdin);
if (XML_Parse(p, Buff, len, done) == XML_STATUS_ERROR) {
fprintf(stderr, "Parse error at line %d:\n%s\n",
XML_GetCurrentLineNumber(p),
XML_ErrorString(XML_GetErrorCode(p)));
exit(-1);
}
if (done)
break;
}
return 0;
}
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