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- /* This is simple demonstration of how to use expat. This program
- reads an XML document from standard input and writes a line with the
- name of each element to standard output indenting child elements by
- one tab stop more than their parent element. */
-
- #include <stdio.h>
- #include "xmlparse.h"
-
- void startElement(void *userData, const char *name, const char **atts)
- {
- int i;
- int *depthPtr = userData;
- for (i = 0; i < *depthPtr; i++)
- putchar('\t');
- puts(name);
- *depthPtr += 1;
- }
-
- void endElement(void *userData, const char *name)
- {
- int *depthPtr = userData;
- *depthPtr -= 1;
- }
-
- int main()
- {
- char buf[BUFSIZ];
- XML_Parser parser = XML_ParserCreate(NULL);
- int done;
- int depth = 0;
- XML_SetUserData(parser, &depth);
- XML_SetElementHandler(parser, startElement, endElement);
- do {
- size_t len = fread(buf, 1, sizeof(buf), stdin);
- done = len < sizeof(buf);
- if (!XML_Parse(parser, buf, len, done)) {
- fprintf(stderr,
- "%s at line %d\n",
- XML_ErrorString(XML_GetErrorCode(parser)),
- XML_GetCurrentLineNumber(parser));
- return 1;
- }
- } while (!done);
- XML_ParserFree(parser);
- return 0;
- }
-