From dd08d816dca127808b2343005ec8a728b6cb2a2a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Anton=20Luka=20=C5=A0ijanec?= <anton@sijanec.eu>
Date: Fri, 5 Jan 2024 16:44:26 +0100
Subject: support for suggested queries and query redirects

---
 src/lib.c | 30 +++++++++++++++++++-----------
 1 file changed, 19 insertions(+), 11 deletions(-)

(limited to 'src/lib.c')

diff --git a/src/lib.c b/src/lib.c
index 2377ec9..62ddf84 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -46,18 +46,23 @@ void eachNodeX (htmlDocPtr doc, const char * xpath, node_function_t f, void * da
 	eachNode(nodes, f, data);
 	xmlXPathFreeObject(nodes);
 }
-xmlNodePtr nthNodeXN (xmlNodePtr node, const char * xpath, int n) {
-	xmlXPathObjectPtr nodes = findNodesN(node, xpath);
-	if (!nodes)
-		return NULL;
-	xmlNodeSetPtr nodeset = nodes->nodesetval;
-	int size = nodeset->nodeNr;
-	if (size <= n)
-		return NULL;
-	xmlNodePtr toreturn = (xmlNodePtr) nodeset->nodeTab[n];
-	xmlXPathFreeObject(nodes);
-	return toreturn;
+#define nthNodeFunctionGenerator(type, x) \
+xmlNodePtr nthNodeX##x (type node, const char * xpath, int n) { \
+	xmlXPathObjectPtr nodes = findNodes##x(node, xpath); \
+	if (!nodes) \
+		return NULL; \
+	xmlNodeSetPtr nodeset = nodes->nodesetval; \
+	int size = nodeset->nodeNr; \
+	if (size <= n) { \
+		xmlXPathFreeObject(nodes); \
+		return NULL; \
+	} \
+	xmlNodePtr toreturn = (xmlNodePtr) nodeset->nodeTab[n]; \
+	xmlXPathFreeObject(nodes); \
+	return toreturn; \
 }
+nthNodeFunctionGenerator(htmlDocPtr,) // this one gets doc
+nthNodeFunctionGenerator(xmlNodePtr, N)
 #define EACHNODE(node, nodes) /* you can instead use eachNodeX with anonymous function - no need to free and findnodes separatl */ \
 	for (int EACHNODE_i = 0; \
 			nodes ? nodes->nodesetval ? \
@@ -110,6 +115,9 @@ char * htmlspecialchars (const char * i) { /* remember to free the output */
 			case '"':
 				w += sprintf(o+w, "&quot;");
 				break;
+			case '\'':
+				w += sprintf(o+w, "&apos;");
+				break;
 			default:
 				o[w++] = *i;
 				break;
-- 
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