{"id":12982,"url":"https://patchwork.libcamera.org/api/1.1/patches/12982/?format=json","web_url":"https://patchwork.libcamera.org/patch/12982/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20210715211459.19373-12-laurent.pinchart@ideasonboard.com>","date":"2021-07-15T21:14:37","name":"[libcamera-devel,v3,11/33] cam: options: Add empty() function to OptionValue class","commit_ref":null,"pull_url":null,"state":"accepted","archived":false,"hash":"05984fe41df15e6358e5b941849a775f4352b045","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/1.1/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/12982/mbox/","series":[{"id":2242,"url":"https://patchwork.libcamera.org/api/1.1/series/2242/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=2242","date":"2021-07-15T21:14:26","name":"Multi-camera support in the cam application","version":3,"mbox":"https://patchwork.libcamera.org/series/2242/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/12982/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/12982/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id F1B81C3227\n\tfor ;\n\tThu, 15 Jul 2021 21:15:21 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id DF8F168549;\n\tThu, 15 Jul 2021 23:15:16 +0200 (CEST)","from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 3961068549\n\tfor ;\n\tThu, 15 Jul 2021 23:15:08 +0200 (CEST)","from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id C9D3D56B\n\tfor ;\n\tThu, 15 Jul 2021 23:15:07 +0200 (CEST)"],"Authentication-Results":"lancelot.ideasonboard.com;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"rM93Dv/1\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1626383708;\n\tbh=+rgkfu9YI35jiQoxt5lY7KDJNUOCgq1UFoLMw+QYjoQ=;\n\th=From:To:Subject:Date:In-Reply-To:References:From;\n\tb=rM93Dv/1A3IJHz/YI6ttrwrqG+pUFP7bmjvSJUjDWafy6iqkMhMQT8PCRT3n+6AeK\n\tGZsTFAn5xcDbXEAnQgccMi/KBj+NzL2bLnfzavj2qVQkTJSGLp4MKwiOJEJc2zt0YE\n\tkRRoTzk0FOh4FM4q4jL1XAwdHYb/WfKrghy5845o=","From":"Laurent Pinchart ","To":"libcamera-devel@lists.libcamera.org","Date":"Fri, 16 Jul 2021 00:14:37 +0300","Message-Id":"<20210715211459.19373-12-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.31.1","In-Reply-To":"<20210715211459.19373-1-laurent.pinchart@ideasonboard.com>","References":"<20210715211459.19373-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH v3 11/33] cam: options: Add empty()\n\tfunction to OptionValue class","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "},"content":"Add a convenience helper to check if an option value is empty, based on\nthe value type. This is useful as a shortcut syntax to check if an\noption has been set.\n\nSigned-off-by: Laurent Pinchart \n---\n src/cam/options.cpp | 7 +++++++\n src/cam/options.h | 1 +\n 2 files changed, 8 insertions(+)","diff":"diff --git a/src/cam/options.cpp b/src/cam/options.cpp\nindex fda6d9764ac5..481ac189f115 100644\n--- a/src/cam/options.cpp\n+++ b/src/cam/options.cpp\n@@ -583,6 +583,13 @@ void OptionValue::addValue(const OptionValue &value)\n * \\return The value type\n */\n \n+/**\n+ * \\fn OptionValue::empty()\n+ * \\brief Check if the value is empty\n+ * \\return True if the value is empty (type set to ValueType::ValueNone), or\n+ * false otherwise\n+ */\n+\n /**\n * \\brief Cast the value to an int\n * \\return The option value as an int, or 0 if the value type isn't\ndiff --git a/src/cam/options.h b/src/cam/options.h\nindex 210e502a24e1..83c409ae4d28 100644\n--- a/src/cam/options.h\n+++ b/src/cam/options.h\n@@ -135,6 +135,7 @@ public:\n \tvoid addValue(const OptionValue &value);\n \n \tValueType type() const { return type_; }\n+\tbool empty() const { return type_ == ValueType::ValueNone; }\n \n \toperator int() const;\n \toperator std::string() const;\n","prefixes":["libcamera-devel","v3","11/33"]}