Add nsurl_get_lwc function.

svn path=/trunk/netsurf/; revision=12894

utils/nsurl.c

@@ -1182,6 +1182,51 @@ nserror nsurl_get(const nsurl *url, nsurl_component parts,
 }
 
 
+/* exported interface, documented in nsurl.h */
+lwc_string *nsurl_get_lwc(const nsurl *url, nsurl_component part)
+{
+	assert(url != NULL);
+
+	switch (part) {
+	case NSURL_SCHEME:
+		return (url->scheme != NULL) ?
+				lwc_string_ref(url->scheme) : NULL;
+
+	case NSURL_USERNAME:
+		return (url->username != NULL) ?
+				lwc_string_ref(url->username) : NULL;
+
+	case NSURL_PASSWORD:
+		return (url->password != NULL) ?
+				lwc_string_ref(url->password) : NULL;
+
+	case NSURL_HOST:
+		return (url->host != NULL) ?
+				lwc_string_ref(url->host) : NULL;
+
+	case NSURL_PORT:
+		return (url->port != NULL) ?
+				lwc_string_ref(url->port) : NULL;
+
+	case NSURL_PATH:
+		return (url->path != NULL) ?
+				lwc_string_ref(url->path) : NULL;
+
+	case NSURL_QUERY:
+		return (url->query != NULL) ?
+				lwc_string_ref(url->query) : NULL;
+
+	case NSURL_FRAGMENT:
+		return (url->fragment != NULL) ?
+				lwc_string_ref(url->fragment) : NULL;
+
+	default:
+		LOG(("Unsupported value passed to part param."));
+		assert(0);
+	}
+}
+
+
 /* exported interface, documented in nsurl.h */
 bool nsurl_enquire(const nsurl *url, nsurl_component part)
 {

utils/nsurl.h

@@ -23,6 +23,7 @@
 #ifndef _NETSURF_UTILS_NSURL_H_
 #define _NETSURF_UTILS_NSURL_H_
 
+#include <libwapcaplet/libwapcaplet.h>
 #include "utils/errors.h"
 
 
@@ -123,6 +124,29 @@ nserror nsurl_get(const nsurl *url, nsurl_component parts,
 		char **url_s, size_t *url_l);
 
 
+/**
+ * Get part of a URL as a lwc_string, from a NetSurf URL object
+ *
+ * \param url	  NetSurf URL object
+ * \param part	  The URL component required
+ * \return the required component as an lwc_string, or NULL
+ *
+ * The caller owns the returned lwc_string and should call lwc_string_unref
+ * when they are done with it.
+ *
+ * The valid values for the part parameter are:
+ *    NSURL_SCHEME
+ *    NSURL_USERNAME
+ *    NSURL_PASSWORD
+ *    NSURL_HOST
+ *    NSURL_PORT
+ *    NSURL_PATH
+ *    NSURL_QUERY
+ *    NSURL_FRAGMENT
+ */
+lwc_string *nsurl_get_lwc(const nsurl *url, nsurl_component part);
+
+
 /**
  * Enquire about the existence of componenets in a given URL
  *