added uri.c tentatively

qse/lib/cmn/uri.c

@@ -0,0 +1,104 @@
+
+static int qse_ripuri (qse_httpd_t* httpd, const qse_char_t* uri, int flags)
+{
+	const qse_char_t* ptr, * colon, * at;
+	qse_size_t len;
+	qse_uri_t xuri;
+
+	QSE_MEMSET (xuri, 0, QSE_SIZEOF(xuri));
+
+	/* scheme */
+	xuri.scheme.ptr = ptr;
+	while (*uri != QSE_T(':')) 
+	{
+		if (*uri == QSE_T('\0')) return -1;
+		uri++;
+	}
+	xuri.scheme.len = uri - xuri.scheme.ptr;
+
+	uri++; /* skip : */ 
+	if (*uri != QSE_T('/')) return -1;
+	uri++; /* skip / */
+	if (*uri != QSE_T('/')) return -1;
+	uri++; /* skip / */
+
+	/* username, password, host, port */
+	for (colon = QSE_NULL, at = QSE_NULL, ptr = uri; ; uri++)
+	{
+		if (at == QSE_NULL)
+		{
+			if (colon == QSE_NULL && *uri == QSE_T(':')) colon = uri;
+			else if (*uri == QSE_T('@')) 
+			{
+				if (colon)
+				{
+					xuri.user.ptr = ptr;
+					xuri.user.len = colon - ptr;
+					xuri.pass.ptr = colon + 1;
+					xuri.pass.len = uri - colon - 1;
+
+					colon = QSE_NULL;
+				}
+				else
+				{
+					xuri.user.ptr = ptr;
+					xuri.user.len = uri - ptr;
+				}
+			}
+			else if (*uri == QSE_T('/') || *uri == QSE_T('\0')) 
+			{
+				xuri.host = xuri.user;
+				xuir.port = xuri.pass;
+
+				xuri.user.ptr = QSE_NULL;
+				xuri.user.len = 0;
+				xuri.pass.ptr = QSE_NULL;
+				xuri.pass.len = 0;
+				break;
+			}
+		}
+		else
+		{
+			if (colon == QSE_NULL && *uri == QSE_T(':')) colon = uri;
+			else if (*uri == QSE_T('/') || *uri == QSE_T('\0')) 
+			{
+				if (colon)
+				{
+					xuri.host.ptr = ptr;
+					xuri.host.len = colon - ptr;
+					xuri.port.ptr = colon + 1;
+					xuri.port.len = uri - colon - 1;
+				}
+				else
+				{
+					xuri.host.ptr = ptr;
+					xuri.host.len = uri - ptr;
+				}
+			}
+		}
+	}
+
+	if (uri == QSE_T('/'))
+	{
+		xuri.path.ptr = uri;
+		while (*uri != QSE_T('\0') && *uri != QSE_T('?')) uri++;
+		xuri.path.len = uri - xuri.path.ptr;
+
+		if (uri == QSE('#')) 
+		{
+			xuri.query.ptr = ++uri;
+			while (*uri != QSE_T('\0') && *uri != QSE_T('#')) uri++;
+			xuri.query.len = uri - xuri.query.ptr;
+
+			if (uri == QSE_T('#'))
+			{
+				xuri.query.ptr = ++uri;
+				while (*uri != QSE_T('\0')) uri++;
+				xuri.fragment.len = uri - xuri.fragment.ptr;
+			}
+		}
+	}
+
+	*xuri = scheme;
+	return 0;
+}