1 /* This is simple demonstration of how to use expat. This program
2    reads an XML document from standard input and writes a line with
3    the name of each element to standard output indenting child
4    elements by one tab stop more than their parent element.
5    It must be used with Expat compiled for UTF-8 output.
6 */
7 
8 #include <stdio.h>
9 #include "expat.h"
10 
11 #if defined(__amigaos__) && defined(__USE_INLINE__)
12 #include <proto/expat.h>
13 #endif
14 
15 #ifdef XML_LARGE_SIZE
16 #if defined(XML_USE_MSC_EXTENSIONS) && _MSC_VER < 1400
17 #define XML_FMT_INT_MOD "I64"
18 #else
19 #define XML_FMT_INT_MOD "ll"
20 #endif
21 #else
22 #define XML_FMT_INT_MOD "l"
23 #endif
24 
25 static void XMLCALL
26 startElement(void *userData, const char *name, const char **atts)
27 {
28   int i;
29   int *depthPtr = (int *)userData;
30   for (i = 0; i < *depthPtr; i++)
31     putchar('\t');
32   puts(name);
33   *depthPtr += 1;
34 }
35 
36 static void XMLCALL
37 endElement(void *userData, const char *name)
38 {
39   int *depthPtr = (int *)userData;
40   *depthPtr -= 1;
41 }
42 
43 int
44 main(int argc, char *argv[])
45 {
46   char buf[BUFSIZ];
47   XML_Parser parser = XML_ParserCreate(NULL);
48   int done;
49   int depth = 0;
50   XML_SetUserData(parser, &depth);
51   XML_SetElementHandler(parser, startElement, endElement);
52   do {
53     int len = (int)fread(buf, 1, sizeof(buf), stdin);
54     done = len < sizeof(buf);
55     if (XML_Parse(parser, buf, len, done) == XML_STATUS_ERROR) {
56       fprintf(stderr,
57               "%s at line %" XML_FMT_INT_MOD "u\n",
58               XML_ErrorString(XML_GetErrorCode(parser)),
59               XML_GetCurrentLineNumber(parser));
60       return 1;
61     }
62   } while (!done);
63   XML_ParserFree(parser);
64   return 0;
65 }
66