Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 1 | from .namedelement import NamedElement |
Patrick Williams | 52dd41e | 2016-10-14 18:41:27 -0500 | [diff] [blame] | 2 | from .renderer import Renderer |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 3 | import yaml |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 4 | |
Patrick Williams | f5c3cde | 2016-10-21 11:49:01 -0500 | [diff] [blame] | 5 | |
Patrick Williams | 52dd41e | 2016-10-14 18:41:27 -0500 | [diff] [blame] | 6 | class Property(NamedElement, Renderer): |
Patrick Williams | 7eb0d25 | 2020-03-13 14:33:34 -0500 | [diff] [blame] | 7 | |
| 8 | LOCAL_ENUM_MAGIC = "<LOCAL_ENUM>" |
| 9 | NONLOCAL_ENUM_MAGIC = "<NONLOCAL_ENUM>" |
| 10 | |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 11 | def __init__(self, **kwargs): |
| 12 | self.typeName = kwargs.pop('type', None) |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 13 | self.cppTypeName = self.parse_cpp_type() |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 14 | self.defaultValue = kwargs.pop('default', None) |
Adriana Kobylak | 69425eb | 2018-08-17 13:55:19 -0500 | [diff] [blame] | 15 | self.flags = kwargs.pop('flags', []) |
Waqar Hameed | 20255a5 | 2020-06-04 12:38:48 +0200 | [diff] [blame] | 16 | self.cpp_flags = self.or_cpp_flags(self.flags) |
Adriana Kobylak | 75a2e25 | 2018-06-06 10:49:24 -0500 | [diff] [blame] | 17 | self.errors = kwargs.pop('errors', []) |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 18 | |
Matthew Barth | f0dd3b5 | 2019-02-07 11:08:15 -0600 | [diff] [blame] | 19 | if (self.defaultValue is not None): |
| 20 | if (isinstance(self.defaultValue, bool)): |
| 21 | # Convert True/False to 'true'/'false' |
| 22 | # because it will be rendered as C++ code |
| 23 | self.defaultValue = 'true' if self.defaultValue else 'false' |
| 24 | elif(isinstance(self.defaultValue, str) and |
| 25 | self.typeName.lower() == "string"): |
| 26 | # Wrap string type default values with double-quotes |
| 27 | self.defaultValue = "\"" + self.defaultValue + "\"" |
Lei YU | 4d74189 | 2019-01-14 09:59:10 +0800 | [diff] [blame] | 28 | |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 29 | super(Property, self).__init__(**kwargs) |
Patrick Williams | 62c3f27 | 2016-10-09 16:21:34 -0500 | [diff] [blame] | 30 | |
Patrick Williams | 2adcefa | 2016-11-16 08:23:12 -0600 | [diff] [blame] | 31 | def is_enum(self): |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 32 | if not self.typeName: |
| 33 | return false |
| 34 | return 'enum' == self.__type_tuple()[0] |
Patrick Williams | 2adcefa | 2016-11-16 08:23:12 -0600 | [diff] [blame] | 35 | |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 36 | """ Return a conversion of the cppTypeName valid as a function parameter. |
| 37 | Currently only 'enum' requires conversion. |
| 38 | """ |
Patrick Williams | f7e2159 | 2020-01-24 15:43:08 -0600 | [diff] [blame] | 39 | def cppTypeParam(self, interface, full=False, server=True): |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 40 | return self.__cppTypeParam(interface, self.cppTypeName, full, server) |
| 41 | |
| 42 | def __cppTypeParam(self, interface, cppTypeName, full=False, server=True): |
Patrick Williams | 7eb0d25 | 2020-03-13 14:33:34 -0500 | [diff] [blame] | 43 | |
| 44 | ns_type = "server" if server else "client" |
| 45 | |
| 46 | iface = interface.split(".") |
| 47 | iface.insert(-1, ns_type) |
| 48 | iface = "::".join(iface) |
| 49 | |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 50 | r = cppTypeName |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 51 | |
Patrick Williams | 7eb0d25 | 2020-03-13 14:33:34 -0500 | [diff] [blame] | 52 | # Fix up local enum placeholders. |
| 53 | if full: |
| 54 | r = r.replace(self.LOCAL_ENUM_MAGIC, iface) |
| 55 | else: |
| 56 | r = r.replace(self.LOCAL_ENUM_MAGIC + "::", "") |
| 57 | |
| 58 | # Fix up non-local enum placeholders. |
| 59 | r = r.replace(self.NONLOCAL_ENUM_MAGIC, ns_type) |
Patrick Williams | a163b17 | 2020-01-24 16:34:02 -0600 | [diff] [blame] | 60 | |
| 61 | return r |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 62 | |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 63 | """ Determine the C++ namespaces of an enumeration-type property. |
| 64 | """ |
| 65 | def enum_namespaces(self, interface): |
| 66 | typeTuple = self.__type_tuple() |
| 67 | return self.__enum_namespaces(interface, typeTuple) |
Patrick Williams | 0ad505c | 2016-11-16 16:17:02 -0600 | [diff] [blame] | 68 | |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 69 | def __enum_namespaces(self, interface, typeTuple): |
| 70 | # Enums can be processed directly. |
| 71 | if 'enum' == typeTuple[0]: |
| 72 | cppType = self.__cppTypeParam(interface, |
| 73 | self.__parse_cpp_type__(typeTuple)) |
| 74 | ns = cppType.split("::")[0:-1] |
| 75 | if len(ns) != 0: |
| 76 | return ["::".join(ns) + "::"] |
| 77 | return [] |
Patrick Williams | 0ad505c | 2016-11-16 16:17:02 -0600 | [diff] [blame] | 78 | |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 79 | # If the details part of the tuple has zero entries, no enums are |
| 80 | # present |
| 81 | if len(typeTuple[1]) == 0: |
| 82 | return [] |
| 83 | |
| 84 | # Otherwise, the tuple-type might have enums embedded in it. Handle |
| 85 | # them recursively. |
| 86 | r = [] |
| 87 | for t in typeTuple[1]: |
| 88 | r.extend(self.__enum_namespaces(interface, t)) |
| 89 | return r |
| 90 | |
| 91 | """ Convert the property type into a C++ type. |
| 92 | """ |
| 93 | def parse_cpp_type(self): |
| 94 | if not self.typeName: |
| 95 | return None |
| 96 | |
| 97 | typeTuple = self.__type_tuple() |
| 98 | return self.__parse_cpp_type__(typeTuple) |
| 99 | |
| 100 | """ Convert the 'typeName' into a tuple of ('type', [ details ]) where |
| 101 | 'details' is a recursive type-tuple. |
| 102 | """ |
| 103 | def __type_tuple(self): |
| 104 | if not self.typeName: |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 105 | return None |
| 106 | |
| 107 | """ typeNames are _almost_ valid YAML. Insert a , before each [ |
| 108 | and then wrap it in a [ ] and it becomes valid YAML. (assuming |
| 109 | the user gave us a valid typename) |
| 110 | """ |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 111 | typeName = self.typeName |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 112 | typeArray = yaml.safe_load("[" + ",[".join(typeName.split("[")) + "]") |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 113 | return self.__preprocess_yaml_type_array(typeArray).pop(0) |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 114 | |
| 115 | """ Take a list of dbus types from YAML and convert it to a recursive data |
| 116 | structure. Each entry of the original list gets converted into a tuple |
| 117 | consisting of the type name and a list with the params for this type, |
| 118 | e.g. |
| 119 | ['dict', ['string', 'dict', ['string', 'int64']]] |
| 120 | is converted to |
Patrick Williams | 3f67eed | 2016-12-12 12:22:03 -0600 | [diff] [blame] | 121 | [('dict', [('string', []), ('dict', [('string', []), |
| 122 | ('int64', [])]]] |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 123 | """ |
| 124 | def __preprocess_yaml_type_array(self, typeArray): |
| 125 | result = [] |
| 126 | |
| 127 | for i in range(len(typeArray)): |
| 128 | # Ignore lists because we merge them with the previous element |
| 129 | if type(typeArray[i]) is list: |
| 130 | continue |
| 131 | |
Patrick Williams | 3f67eed | 2016-12-12 12:22:03 -0600 | [diff] [blame] | 132 | # If there is a next element and it is a list, merge it with the |
| 133 | # current element. |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 134 | if i < len(typeArray)-1 and type(typeArray[i+1]) is list: |
Patrick Williams | 3f67eed | 2016-12-12 12:22:03 -0600 | [diff] [blame] | 135 | result.append( |
| 136 | (typeArray[i], |
| 137 | self.__preprocess_yaml_type_array(typeArray[i+1]))) |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 138 | else: |
| 139 | result.append((typeArray[i], [])) |
| 140 | |
| 141 | return result |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 142 | |
| 143 | """ Take a list of dbus types and perform validity checking, such as: |
| 144 | [ variant [ dict [ int32, int32 ], double ] ] |
| 145 | This function then converts the type-list into a C++ type string. |
| 146 | """ |
Patrick Williams | d24bf31 | 2020-09-11 14:23:39 -0500 | [diff] [blame^] | 147 | def __parse_cpp_type__(self, typeTuple): |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 148 | propertyMap = { |
| 149 | 'byte': {'cppName': 'uint8_t', 'params': 0}, |
| 150 | 'boolean': {'cppName': 'bool', 'params': 0}, |
| 151 | 'int16': {'cppName': 'int16_t', 'params': 0}, |
| 152 | 'uint16': {'cppName': 'uint16_t', 'params': 0}, |
| 153 | 'int32': {'cppName': 'int32_t', 'params': 0}, |
| 154 | 'uint32': {'cppName': 'uint32_t', 'params': 0}, |
| 155 | 'int64': {'cppName': 'int64_t', 'params': 0}, |
| 156 | 'uint64': {'cppName': 'uint64_t', 'params': 0}, |
Patrick Williams | 4ac7e56 | 2020-09-10 08:06:11 -0500 | [diff] [blame] | 157 | 'size': {'cppName': 'size_t', 'params': 0}, |
| 158 | 'ssize': {'cppName': 'ssize_t', 'params': 0}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 159 | 'double': {'cppName': 'double', 'params': 0}, |
Waqar Hameed | 596a223 | 2018-10-05 15:42:20 +0200 | [diff] [blame] | 160 | 'unixfd': {'cppName': 'sdbusplus::message::unix_fd', 'params': 0}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 161 | 'string': {'cppName': 'std::string', 'params': 0}, |
Patrick Williams | 8a30a8f | 2017-01-06 16:29:05 -0600 | [diff] [blame] | 162 | 'path': {'cppName': 'sdbusplus::message::object_path', |
| 163 | 'params': 0}, |
| 164 | 'signature': {'cppName': 'sdbusplus::message::signature', |
| 165 | 'params': 0}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 166 | 'array': {'cppName': 'std::vector', 'params': 1}, |
Patrick Williams | b98bdc6 | 2020-06-16 16:15:40 -0500 | [diff] [blame] | 167 | 'set': {'cppName': 'std::set', 'params': 1}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 168 | 'struct': {'cppName': 'std::tuple', 'params': -1}, |
William A. Kennington III | 4274c11 | 2018-11-26 09:50:13 -0800 | [diff] [blame] | 169 | 'variant': {'cppName': 'std::variant', 'params': -1}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 170 | 'dict': {'cppName': 'std::map', 'params': 2}, |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 171 | 'enum': {'cppName': 'enum', 'params': 1}} |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 172 | |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 173 | if len(typeTuple) != 2: |
| 174 | raise RuntimeError("Invalid typeTuple %s" % typeTuple) |
| 175 | |
| 176 | first = typeTuple[0] |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 177 | entry = propertyMap[first] |
| 178 | |
| 179 | result = entry['cppName'] |
| 180 | |
| 181 | # Handle 0-entry parameter lists. |
| 182 | if (entry['params'] == 0): |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 183 | if (len(typeTuple[1]) != 0): |
| 184 | raise RuntimeError("Invalid typeTuple %s" % typeTuple) |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 185 | else: |
| 186 | return result |
| 187 | |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 188 | # Get the parameter list |
| 189 | rest = typeTuple[1] |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 190 | |
| 191 | # Confirm parameter count matches. |
| 192 | if (entry['params'] != -1) and (entry['params'] != len(rest)): |
| 193 | raise RuntimeError("Invalid entry count for %s : %s" % |
| 194 | (first, rest)) |
| 195 | |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 196 | # Switch enum for proper type. |
| 197 | if result == 'enum': |
Patrick Williams | a163b17 | 2020-01-24 16:34:02 -0600 | [diff] [blame] | 198 | result = rest[0][0] |
| 199 | |
| 200 | # self. means local type. |
| 201 | if result.startswith("self."): |
Patrick Williams | 7eb0d25 | 2020-03-13 14:33:34 -0500 | [diff] [blame] | 202 | return result.replace("self.", self.LOCAL_ENUM_MAGIC + "::") |
| 203 | |
| 204 | # Insert place-holder for header-type namespace (ex. "server") |
| 205 | result = result.split('.') |
| 206 | result.insert(-2, self.NONLOCAL_ENUM_MAGIC) |
| 207 | result = "::".join(result) |
Patrick Williams | a163b17 | 2020-01-24 16:34:02 -0600 | [diff] [blame] | 208 | return result |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 209 | |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 210 | # Parse each parameter entry, if appropriate, and create C++ template |
| 211 | # syntax. |
| 212 | result += '<' |
Waqar Hameed | 67c79b0 | 2020-02-19 23:25:14 +0100 | [diff] [blame] | 213 | result += ", ".join([self.__parse_cpp_type__(e) for e in rest]) |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 214 | result += '>' |
| 215 | |
| 216 | return result |
| 217 | |
Patrick Williams | 62c3f27 | 2016-10-09 16:21:34 -0500 | [diff] [blame] | 218 | def markdown(self, loader): |
Patrick Williams | 5621624 | 2020-05-21 15:33:50 -0500 | [diff] [blame] | 219 | return self.render(loader, "property.md.mako", property=self, |
Patrick Williams | f5c3cde | 2016-10-21 11:49:01 -0500 | [diff] [blame] | 220 | post=str.strip) |
Adriana Kobylak | ee6ac69 | 2018-06-06 09:36:51 -0500 | [diff] [blame] | 221 | |
| 222 | def cpp_prototype(self, loader, interface, ptype): |
Patrick Williams | 9f77a47 | 2020-07-16 14:23:51 -0500 | [diff] [blame] | 223 | return self.render(loader, "property.prototype.hpp.mako", |
| 224 | property=self, interface=interface, ptype=ptype, |
| 225 | post=str.rstrip) |
Waqar Hameed | 20255a5 | 2020-06-04 12:38:48 +0200 | [diff] [blame] | 226 | |
| 227 | def or_cpp_flags(self, flags): |
| 228 | """Return the corresponding ORed cpp flags.""" |
| 229 | flags_dict = { |
Waqar Hameed | 20255a5 | 2020-06-04 12:38:48 +0200 | [diff] [blame] | 230 | "const": "vtable::property_::const_", |
Patrick Williams | e1c73d3 | 2020-07-10 16:02:27 -0500 | [diff] [blame] | 231 | "deprecated": "vtable::common_::deprecated", |
Waqar Hameed | 20255a5 | 2020-06-04 12:38:48 +0200 | [diff] [blame] | 232 | "emits_change": "vtable::property_::emits_change", |
| 233 | "emits_invalidation": "vtable::property_::emits_invalidation", |
Patrick Williams | e1c73d3 | 2020-07-10 16:02:27 -0500 | [diff] [blame] | 234 | "explicit": "vtable::property_::explicit_", |
| 235 | "hidden": "vtable::common_::hidden", |
| 236 | "readonly": False, |
| 237 | "unprivileged": "vtable::common_::unprivileged", |
| 238 | } |
Waqar Hameed | 20255a5 | 2020-06-04 12:38:48 +0200 | [diff] [blame] | 239 | |
| 240 | cpp_flags = [] |
| 241 | for flag in flags: |
| 242 | try: |
Patrick Williams | e1c73d3 | 2020-07-10 16:02:27 -0500 | [diff] [blame] | 243 | if flags_dict[flag]: |
| 244 | cpp_flags.append(flags_dict[flag]) |
Waqar Hameed | 20255a5 | 2020-06-04 12:38:48 +0200 | [diff] [blame] | 245 | except KeyError: |
| 246 | raise ValueError("Invalid flag \"{}\"".format(flag)) |
| 247 | |
| 248 | return " | ".join(cpp_flags) |