example.c

#include <xemil.h>

#define INDENT 2

void recursive(xemil_t* handle, xl_node_t* node, int indent) {
	int	   i;
	xl_node_t* n;
	for(i = 0; i < indent; i++) printf(" ");
	if(node->name != NULL && (node->type == XL_NODE_NODE || node->type == XL_NODE_PROCESS)) {
		xl_attribute_t* a;

		printf("<%s%s", node->type == XL_NODE_PROCESS ? "?" : "", node->name);

		a = node->first_attribute;
		while(a != NULL) {
			if(a->value == NULL) {
				printf(" %s", a->key);
			} else {
				printf(" %s=\"%s\"", a->key, a->value);
			}
			a = a->next;
		}

		printf("%s%s>\n", node->type == XL_NODE_PROCESS ? "?" : "", (node->first_child == NULL && node->text == NULL) ? " /" : "");
		if(node->text != NULL && !handle->param.new_text) {
			for(i = 0; i < indent + INDENT; i++) printf(" ");
			printf("%s\n", node->text);
		}
	} else if(node->text != NULL && node->type == XL_NODE_COMMENT) {
		printf("<!--%s-->\n", node->text);
	} else if(node->text != NULL && node->type == XL_NODE_TEXT) {
		printf("%s\n", node->text);
	}

	n = node->first_child;
	while(n != NULL) {
		recursive(handle, n, indent + INDENT);
		n = n->next;
	}

	if(node->name != NULL && node->type == XL_NODE_NODE && !(node->first_child == NULL && node->text == NULL && !handle->param.new_text)) {
		for(i = 0; i < indent; i++) printf(" ");
		printf("</%s>\n", node->name);
	}
}

int main(int argc, char** argv) {
	int	   i;
	xl_node_t* n;

	for(i = 1; i < argc; i++) {
		xemil_t* h     = xl_open_file(argv[i]);
		if(h != NULL) {
			h->param.new_text    = 1;
			h->param.do_xinclude = 1;
			printf("%s:\n", argv[i]);
			if(xl_parse(h)) {
				xl_node_t** r;

				n = h->pre;
				if(n != NULL) {
					while(n != NULL) {
						/* recursive(h, n, INDENT); */
						n = n->next;
					}
				}

				/* if(h->root != NULL) recursive(h, h->root, INDENT); */

				r = xl_xpointer(h->root, "element(/book/title)");

				/* check if book.title dosent exist to prevent SEGFAULT */
				if(r != NULL) {
					int j;
					for(j = 0; r[j] != NULL; j++) {
						recursive(h, r[j], INDENT);
					}
					free(r);
				} else {
					printf("book.title not found in %s\n", argv[i]);
				}

				recursive(h, h->root, 0);
			} else {
				int j;
				for(j = 0; j < INDENT; j++) printf(" ");
				printf("Parse error\n");
			}
			xl_close(h);
		}
	}
}