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{
    "id": 2413,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/2413/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/2413/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20191209163446.32381-3-jacopo@jmondi.org>",
    "date": "2019-12-09T16:34:38",
    "name": "[libcamera-devel,v3,02/10] libcamera: controls: Parse 'enum' in gen-controls.py",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "8af71ff8e9e2a01435b1ee1ca7771d9eddbc4307",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/1.1/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/2413/mbox/",
    "series": [
        {
            "id": 586,
            "url": "https://patchwork.libcamera.org/api/1.1/series/586/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=586",
            "date": "2019-12-09T16:34:36",
            "name": "Introduce libcamera properties",
            "version": 3,
            "mbox": "https://patchwork.libcamera.org/series/586/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/2413/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/2413/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<jacopo@jmondi.org>",
        "Received": [
            "from relay5-d.mail.gandi.net (relay5-d.mail.gandi.net\n\t[217.70.183.197])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 89BA760BDB\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tMon,  9 Dec 2019 17:32:41 +0100 (CET)",
            "from uno.lan (93-34-114-233.ip49.fastwebnet.it [93.34.114.233])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay5-d.mail.gandi.net (Postfix) with ESMTPSA id 190E41C0012;\n\tMon,  9 Dec 2019 16:32:40 +0000 (UTC)"
        ],
        "X-Originating-IP": "93.34.114.233",
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Mon,  9 Dec 2019 17:34:38 +0100",
        "Message-Id": "<20191209163446.32381-3-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.24.0",
        "In-Reply-To": "<20191209163446.32381-1-jacopo@jmondi.org>",
        "References": "<20191209163446.32381-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v3 02/10] libcamera: controls: Parse\n\t'enum' in gen-controls.py",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "X-List-Received-Date": "Mon, 09 Dec 2019 16:32:41 -0000"
    },
    "content": "In preparation to add libcamera Camera properties definitions by re-using\nthe control generation framework, augment the gen_controls.py script to\nsupport parsing the 'enum' yaml tag and generate documentation and\ndefinition of possible values associated with a Control or a Property\nand defined through an enumeration of supported values.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/gen-controls.py | 41 +++++++++++++++++++++++++++++++++++\n 1 file changed, 41 insertions(+)",
    "diff": "diff --git a/src/libcamera/gen-controls.py b/src/libcamera/gen-controls.py\nindex 940386cc68c8..4a1ee52cdb04 100755\n--- a/src/libcamera/gen-controls.py\n+++ b/src/libcamera/gen-controls.py\n@@ -17,6 +17,10 @@ def snake_case(s):\n \n \n def generate_cpp(controls):\n+    enum_doc_start_template = string.Template('''/**\n+ * \\enum ${name}Values\\n * Supported ${name} values\\n\\n''')\n+    enum_doc_value_template = string.Template(''' * \\\\var ${name}Values::${value}\n+${description}\\n *\\n''')\n     doc_template = string.Template('''/**\n  * \\\\var extern const Control<${type}> ${name}\n ${description}\n@@ -42,6 +46,27 @@ ${description}\n             'id_name': id_name,\n         }\n \n+        enum_doc = []\n+        try:\n+            enum = ctrl['enum']\n+            enum_doc += enum_doc_start_template.substitute(info)\n+\n+            for value in enum:\n+                enum_description = value['description'].strip('\\n').split('\\n')\n+                enum_description[0] = '\\\\brief ' + enum_description[0]\n+                enum_description = '\\n'.join([' * ' + line for line in enum_description])\n+                value_info = {\n+                    'name' : name,\n+                    'value': list(value.keys())[0],\n+                    'description': enum_description,\n+                }\n+                enum_doc += enum_doc_value_template.substitute(value_info)\n+            enum_doc += \" */\"\n+            enum_doc = ''.join(enum_doc)\n+            ctrls_doc.append(enum_doc)\n+        except KeyError:\n+            pass\n+\n         ctrls_doc.append(doc_template.substitute(info))\n         ctrls_def.append(def_template.substitute(info))\n         ctrls_map.append('\\t{ ' + id_name + ', &' + name + ' },')\n@@ -54,6 +79,8 @@ ${description}\n \n \n def generate_h(controls):\n+    enum_template_start = string.Template('''enum ${name}Values {''')\n+    enum_value_template = string.Template('''\\t${name} = ${value},''')\n     template = string.Template('''extern const Control<${type}> ${name};''')\n \n     ctrls = []\n@@ -71,6 +98,20 @@ def generate_h(controls):\n             'type': ctrl['type'],\n         }\n \n+        try:\n+            enum = ctrl['enum']\n+            ctrls.append(enum_template_start.substitute(info))\n+\n+            for value in enum:\n+                value_info = {\n+                    'name': list(value.keys())[0],\n+                    'value': value['value'],\n+                }\n+                ctrls.append(enum_value_template.substitute(value_info))\n+            ctrls.append(\"};\")\n+        except KeyError:\n+            pass\n+\n         ctrls.append(template.substitute(info))\n         id_value += 1\n \n",
    "prefixes": [
        "libcamera-devel",
        "v3",
        "02/10"
    ]
}