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 | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 7 | def __init__(self, **kwargs): |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 8 | self.enum = False |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 9 | self.typeName = kwargs.pop('type', None) |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 10 | self.cppTypeName = self.parse_cpp_type(self.typeName) |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 11 | self.defaultValue = kwargs.pop('default', None) |
Adriana Kobylak | 69425eb | 2018-08-17 13:55:19 -0500 | [diff] [blame] | 12 | self.flags = kwargs.pop('flags', []) |
Adriana Kobylak | 75a2e25 | 2018-06-06 10:49:24 -0500 | [diff] [blame] | 13 | self.errors = kwargs.pop('errors', []) |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 14 | |
Matthew Barth | f0dd3b5 | 2019-02-07 11:08:15 -0600 | [diff] [blame] | 15 | if (self.defaultValue is not None): |
| 16 | if (isinstance(self.defaultValue, bool)): |
| 17 | # Convert True/False to 'true'/'false' |
| 18 | # because it will be rendered as C++ code |
| 19 | self.defaultValue = 'true' if self.defaultValue else 'false' |
| 20 | elif(isinstance(self.defaultValue, str) and |
| 21 | self.typeName.lower() == "string"): |
| 22 | # Wrap string type default values with double-quotes |
| 23 | self.defaultValue = "\"" + self.defaultValue + "\"" |
Lei YU | 4d74189 | 2019-01-14 09:59:10 +0800 | [diff] [blame] | 24 | |
Patrick Williams | f79f358 | 2016-10-09 16:12:26 -0500 | [diff] [blame] | 25 | super(Property, self).__init__(**kwargs) |
Patrick Williams | 62c3f27 | 2016-10-09 16:21:34 -0500 | [diff] [blame] | 26 | |
Patrick Williams | 2adcefa | 2016-11-16 08:23:12 -0600 | [diff] [blame] | 27 | def is_enum(self): |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 28 | return self.enum |
Patrick Williams | 2adcefa | 2016-11-16 08:23:12 -0600 | [diff] [blame] | 29 | |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 30 | """ Return a conversion of the cppTypeName valid as a function parameter. |
| 31 | Currently only 'enum' requires conversion. |
| 32 | """ |
| 33 | def cppTypeParam(self, interface, server=True): |
Patrick Williams | a163b17 | 2020-01-24 16:34:02 -0600 | [diff] [blame] | 34 | r = self.cppTypeName |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 35 | |
Patrick Williams | a163b17 | 2020-01-24 16:34:02 -0600 | [diff] [blame] | 36 | if self.is_enum(): |
| 37 | if "." in r: |
| 38 | r = r.split('.') |
| 39 | r.insert(-2, "server" if server else "client") |
| 40 | r = "::".join(r) |
| 41 | |
| 42 | return r |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 43 | |
| 44 | """ Return a conversion of the cppTypeName valid as it is read out of a |
| 45 | message. Currently only 'enum' requires conversion. |
| 46 | """ |
| 47 | def cppTypeMessage(self, interface): |
Patrick Williams | 2adcefa | 2016-11-16 08:23:12 -0600 | [diff] [blame] | 48 | if self.is_enum(): |
Patrick Williams | 0aa0dde | 2016-11-16 08:14:33 -0600 | [diff] [blame] | 49 | return "std::string" |
| 50 | return self.cppTypeName |
| 51 | |
Patrick Williams | 0ad505c | 2016-11-16 16:17:02 -0600 | [diff] [blame] | 52 | def enum_namespace(self, interface): |
| 53 | if not self.is_enum(): |
| 54 | return "" |
| 55 | l = self.cppTypeParam(interface).split("::")[0:-1] |
| 56 | if len(l) != 0: |
| 57 | return "::".join(l) + "::" |
| 58 | return "" |
| 59 | |
| 60 | def enum_name(self, interface): |
| 61 | if not self.is_enum(): |
| 62 | return "" |
| 63 | return self.cppTypeParam(interface).split("::")[-1] |
| 64 | |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 65 | def parse_cpp_type(self, typeName): |
| 66 | if not typeName: |
| 67 | return None |
| 68 | |
| 69 | """ typeNames are _almost_ valid YAML. Insert a , before each [ |
| 70 | and then wrap it in a [ ] and it becomes valid YAML. (assuming |
| 71 | the user gave us a valid typename) |
| 72 | """ |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 73 | typeArray = yaml.safe_load("[" + ",[".join(typeName.split("[")) + "]") |
| 74 | typeTuple = self.__preprocess_yaml_type_array(typeArray).pop(0) |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 75 | return self.__parse_cpp_type__(typeTuple, top_type=True) |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 76 | |
| 77 | """ Take a list of dbus types from YAML and convert it to a recursive data |
| 78 | structure. Each entry of the original list gets converted into a tuple |
| 79 | consisting of the type name and a list with the params for this type, |
| 80 | e.g. |
| 81 | ['dict', ['string', 'dict', ['string', 'int64']]] |
| 82 | is converted to |
Patrick Williams | 3f67eed | 2016-12-12 12:22:03 -0600 | [diff] [blame] | 83 | [('dict', [('string', []), ('dict', [('string', []), |
| 84 | ('int64', [])]]] |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 85 | """ |
| 86 | def __preprocess_yaml_type_array(self, typeArray): |
| 87 | result = [] |
| 88 | |
| 89 | for i in range(len(typeArray)): |
| 90 | # Ignore lists because we merge them with the previous element |
| 91 | if type(typeArray[i]) is list: |
| 92 | continue |
| 93 | |
Patrick Williams | 3f67eed | 2016-12-12 12:22:03 -0600 | [diff] [blame] | 94 | # If there is a next element and it is a list, merge it with the |
| 95 | # current element. |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 96 | if i < len(typeArray)-1 and type(typeArray[i+1]) is list: |
Patrick Williams | 3f67eed | 2016-12-12 12:22:03 -0600 | [diff] [blame] | 97 | result.append( |
| 98 | (typeArray[i], |
| 99 | self.__preprocess_yaml_type_array(typeArray[i+1]))) |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 100 | else: |
| 101 | result.append((typeArray[i], [])) |
| 102 | |
| 103 | return result |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 104 | |
| 105 | """ Take a list of dbus types and perform validity checking, such as: |
| 106 | [ variant [ dict [ int32, int32 ], double ] ] |
| 107 | This function then converts the type-list into a C++ type string. |
| 108 | """ |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 109 | def __parse_cpp_type__(self, typeTuple, top_type=False): |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 110 | propertyMap = { |
| 111 | 'byte': {'cppName': 'uint8_t', 'params': 0}, |
| 112 | 'boolean': {'cppName': 'bool', 'params': 0}, |
| 113 | 'int16': {'cppName': 'int16_t', 'params': 0}, |
| 114 | 'uint16': {'cppName': 'uint16_t', 'params': 0}, |
| 115 | 'int32': {'cppName': 'int32_t', 'params': 0}, |
| 116 | 'uint32': {'cppName': 'uint32_t', 'params': 0}, |
| 117 | 'int64': {'cppName': 'int64_t', 'params': 0}, |
| 118 | 'uint64': {'cppName': 'uint64_t', 'params': 0}, |
| 119 | 'double': {'cppName': 'double', 'params': 0}, |
Waqar Hameed | 596a223 | 2018-10-05 15:42:20 +0200 | [diff] [blame] | 120 | 'unixfd': {'cppName': 'sdbusplus::message::unix_fd', 'params': 0}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 121 | 'string': {'cppName': 'std::string', 'params': 0}, |
Patrick Williams | 8a30a8f | 2017-01-06 16:29:05 -0600 | [diff] [blame] | 122 | 'path': {'cppName': 'sdbusplus::message::object_path', |
| 123 | 'params': 0}, |
| 124 | 'signature': {'cppName': 'sdbusplus::message::signature', |
| 125 | 'params': 0}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 126 | 'array': {'cppName': 'std::vector', 'params': 1}, |
| 127 | 'struct': {'cppName': 'std::tuple', 'params': -1}, |
William A. Kennington III | 4274c11 | 2018-11-26 09:50:13 -0800 | [diff] [blame] | 128 | 'variant': {'cppName': 'std::variant', 'params': -1}, |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 129 | 'dict': {'cppName': 'std::map', 'params': 2}, |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 130 | 'enum': {'cppName': 'enum', 'params': 1}} |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 131 | |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 132 | if len(typeTuple) != 2: |
| 133 | raise RuntimeError("Invalid typeTuple %s" % typeTuple) |
| 134 | |
| 135 | first = typeTuple[0] |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 136 | entry = propertyMap[first] |
| 137 | |
| 138 | result = entry['cppName'] |
| 139 | |
| 140 | # Handle 0-entry parameter lists. |
| 141 | if (entry['params'] == 0): |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 142 | if (len(typeTuple[1]) != 0): |
| 143 | raise RuntimeError("Invalid typeTuple %s" % typeTuple) |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 144 | else: |
| 145 | return result |
| 146 | |
Christian Andersen | e416398 | 2016-12-09 11:24:03 +0100 | [diff] [blame] | 147 | # Get the parameter list |
| 148 | rest = typeTuple[1] |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 149 | |
| 150 | # Confirm parameter count matches. |
| 151 | if (entry['params'] != -1) and (entry['params'] != len(rest)): |
| 152 | raise RuntimeError("Invalid entry count for %s : %s" % |
| 153 | (first, rest)) |
| 154 | |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 155 | # Switch enum for proper type. |
| 156 | if result == 'enum': |
| 157 | if top_type: |
| 158 | self.enum = True |
Patrick Williams | a163b17 | 2020-01-24 16:34:02 -0600 | [diff] [blame] | 159 | result = rest[0][0] |
| 160 | |
| 161 | # self. means local type. |
| 162 | if result.startswith("self."): |
| 163 | return result[5:] # "self." is 5 characters |
| 164 | return result |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 165 | |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 166 | # Parse each parameter entry, if appropriate, and create C++ template |
| 167 | # syntax. |
| 168 | result += '<' |
Patrick Williams | 18b29ba | 2020-01-24 16:09:06 -0600 | [diff] [blame] | 169 | result += ", ".join(map(lambda e: self.__parse_cpp_type__(e), |
| 170 | rest)) |
Patrick Williams | d0cd966 | 2016-11-14 21:55:07 -0600 | [diff] [blame] | 171 | result += '>' |
| 172 | |
| 173 | return result |
| 174 | |
Patrick Williams | 62c3f27 | 2016-10-09 16:21:34 -0500 | [diff] [blame] | 175 | def markdown(self, loader): |
Patrick Williams | e70f0e8 | 2016-10-14 22:24:17 -0500 | [diff] [blame] | 176 | return self.render(loader, "property.mako.md", property=self, |
Patrick Williams | f5c3cde | 2016-10-21 11:49:01 -0500 | [diff] [blame] | 177 | post=str.strip) |
Adriana Kobylak | ee6ac69 | 2018-06-06 09:36:51 -0500 | [diff] [blame] | 178 | |
| 179 | def cpp_prototype(self, loader, interface, ptype): |
| 180 | return self.render(loader, "property.mako.prototype.hpp", property=self, |
| 181 | interface=interface, ptype=ptype, post=str.rstrip) |