Move the "elements" example code here from "sample", so we only have one

directory of short sample code.

expat/examples/.gitignore

@@ -1,2 +1,3 @@
 Makefile
+elements
 outline

expat/examples/Makefile.in

@@ -32,10 +32,13 @@ top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
 
-all: outline
+all: elements outline
+
+elements: elements.o
+	$(CC) -o $@ $< $(LDFLAGS) $(LIBS)
 
 outline: outline.o
-	$(CC) -o outline outline.o $(LDFLAGS) $(LIBS)
+	$(CC) -o $@ $< $(LDFLAGS) $(LIBS)
 
 check:	$(SUBDIRS)
 	@echo
@@ -43,7 +46,7 @@ check:	$(SUBDIRS)
 	@echo
 
 clean:
-	rm -f outline core *.o
+	rm -f elements outline core *.o
 
 distclean: clean
 	rm -f Makefile

expat/examples/elements.c

@@ -0,0 +1,49 @@
+/* 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 "expat.h"
+
+static 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;
+}
+
+static void
+endElement(void *userData, const char *name)
+{
+  int *depthPtr = userData;
+  *depthPtr -= 1;
+}
+
+int
+main(int argc, char *argv[])
+{
+  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;
+}