From 579048eaf89784ec1da8592d96311fafd49aea1a Mon Sep 17 00:00:00 2001
From: sijanec <anton@sijanec.eu>
Date: Thu, 1 Apr 2021 23:30:37 +0200
Subject: initial commit

---
 src/lib.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/lib.c

(limited to 'src/lib.c')

diff --git a/src/lib.c b/src/lib.c
new file mode 100644
index 0000000..2c3e34a
--- /dev/null
+++ b/src/lib.c
@@ -0,0 +1,33 @@
+static htmlDocPtr parseHtmlDocument(const char * d, const char * b /* base url */) {
+	if (!b)
+		b = "";
+	htmlParserCtxtPtr parser_context = htmlNewParserCtxt();
+	htmlDocPtr document = htmlCtxtReadMemory(parser_context, d, strlen(d), b, NULL /* encoding */, HTML_PARSE_NOWARNING | HTML_PARSE_NOERROR  | HTML_PARSE_RECOVER);
+	htmlFreeParserCtxt(parser_context);
+	return document;
+}
+static xmlXPathObjectPtr findNodes(htmlDocPtr document, const char * xpath_query) {
+	xmlXPathContextPtr xpath_ctx = xmlXPathNewContext(document);
+	xmlXPathObjectPtr nodes = xmlXPathEvalExpression(BAD_CAST xpath_query, xpath_ctx);
+	xmlXPathFreeContext(xpath_ctx);
+	return nodes;
+}
+typedef void (*node_function_t)(xmlNodePtr node, void * data);
+static void eachNode(xmlXPathObjectPtr nodes, node_function_t f, void * data) {
+	xmlNodeSetPtr nodeset = nodes->nodesetval;
+	int i, size = nodeset->nodeNr;
+	for (i = 0; i < size; i++) {
+		xmlNodePtr cur;
+		cur = (xmlNodePtr)nodeset->nodeTab[i];
+		f(cur, data);
+	}
+}
+void printLinkNode(xmlNodePtr node, void * data) {
+	if (node->type == XML_ELEMENT_NODE) {
+		xmlAttrPtr href = xmlHasProp(node, BAD_CAST "href");
+		if (href) {
+			printf("-> Link to '%s'\n", xmlGetProp(node, BAD_CAST "href"));
+		}
+	}
+}
+
-- 
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