Print article-title text

1 files changed, 54 insertions, 6 deletions

diff --git a/sxmlc.c b/sxmlc.c
index 6272a22..f56811a 100644
--- a/sxmlc.c
+++ b/sxmlc.c
@@ -1,8 +1,11 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "sxmlclib.h"
 
+void print_article_title(XMLNode *root);
+
 int process(char *fn) {
 	XMLDoc *doc = malloc(sizeof(XMLDoc));
 	if (!doc) {
@@ -18,6 +21,8 @@ int process(char *fn) {
 		return 1;
 	}
 
+	// Apparently ill-formed XML is not an error but the library
+	// can't find the root node afterwards...
 	if (doc->i_root < 0) {
 		fprintf(stderr, "i_root was negative. Skipping file '%s'.\n", fn);
 		return 1;
@@ -28,19 +33,62 @@ int process(char *fn) {
 		fprintf(stderr, "Root was NULL. Exiting.\n");
 		return 1;
 	}
-	//get_article_title(root);
-
-	fprintf(stderr, "root is '%s'.\n", root->tag);
-
 
+	print_article_title(root);
 
 	XMLDoc_free(doc);
 	return 0;
 }
 
-XMLNode* get_article_title(XMLNode *root) {
+XMLNode* find_child_node(XMLNode *node, char* tagname) {
+	XMLNode** children = node->children;
+	XMLNode* next = NULL;
+
+	for (int i = 0; i < node->n_children; i++) {
+		if (!strcmp(children[i]->tag, tagname)) {
+			next = children[i];
+			break;
+		}
+	}
+
+	return next;
+}
+
+void print_article_title(XMLNode *root) {
+	XMLNode* next = NULL;
+
+	next = find_child_node(root, "front");
+	if (!next) {
+			fprintf(stderr, "Could not find front tag.\n");
+			return;
+	}
+
+	next = find_child_node(next, "article-meta");
+	if (!next) {
+			fprintf(stderr, "Could not find article-meta tag.\n");
+			return;
+	}
+
+	next = find_child_node(next, "title-group");
+	if (!next) {
+			fprintf(stderr, "Could not find title-group tag.\n");
+			return;
+	}
+
+	next = find_child_node(next, "article-title");
+	if (!next) {
+			fprintf(stderr, "Could not find article-title tag.\n");
+			return;
+	}
+
+	printf("article-title: %s\n", next->text);
 
-	return root;
+	// XMLNode** children = next->children;
+	// for (int i = 0; i < next->n_children; i++) {
+	// 	if (children[i]->tag_type == TAG_TEXT) {
+	// 		printf("printing piecewise: %s", children[i]->text);
+	// 	}
+	// }
 }
 
 int main(int argc, char *argv[]) {