| /* 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; |
| } |