diff options
Diffstat (limited to 'frontend-old/node_modules/protobufjs/src/converter.js')
| -rw-r--r-- | frontend-old/node_modules/protobufjs/src/converter.js | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/frontend-old/node_modules/protobufjs/src/converter.js b/frontend-old/node_modules/protobufjs/src/converter.js new file mode 100644 index 0000000..086e003 --- /dev/null +++ b/frontend-old/node_modules/protobufjs/src/converter.js @@ -0,0 +1,301 @@ +"use strict"; +/** + * Runtime message from/to plain object converters. + * @namespace + */ +var converter = exports; + +var Enum = require("./enum"), + util = require("./util"); + +/** + * Generates a partial value fromObject conveter. + * @param {Codegen} gen Codegen instance + * @param {Field} field Reflected field + * @param {number} fieldIndex Field index + * @param {string} prop Property reference + * @returns {Codegen} Codegen instance + * @ignore + */ +function genValuePartial_fromObject(gen, field, fieldIndex, prop) { + var defaultAlreadyEmitted = false; + /* eslint-disable no-unexpected-multiline, block-scoped-var, no-redeclare */ + if (field.resolvedType) { + if (field.resolvedType instanceof Enum) { gen + ("switch(d%s){", prop); + for (var values = field.resolvedType.values, keys = Object.keys(values), i = 0; i < keys.length; ++i) { + // enum unknown values passthrough + if (values[keys[i]] === field.typeDefault && !defaultAlreadyEmitted) { gen + ("default:") + ("if(typeof(d%s)===\"number\"){m%s=d%s;break}", prop, prop, prop); + if (!field.repeated) gen // fallback to default value only for + // arrays, to avoid leaving holes. + ("break"); // for non-repeated fields, just ignore + defaultAlreadyEmitted = true; + } + gen + ("case%j:", keys[i]) + ("case %i:", values[keys[i]]) + ("m%s=%j", prop, values[keys[i]]) + ("break"); + } gen + ("}"); + } else gen + ("if(typeof d%s!==\"object\")", prop) + ("throw TypeError(%j)", field.fullName + ": object expected") + ("m%s=types[%i].fromObject(d%s)", prop, fieldIndex, prop); + } else { + var isUnsigned = false; + switch (field.type) { + case "double": + case "float": gen + ("m%s=Number(d%s)", prop, prop); // also catches "NaN", "Infinity" + break; + case "uint32": + case "fixed32": gen + ("m%s=d%s>>>0", prop, prop); + break; + case "int32": + case "sint32": + case "sfixed32": gen + ("m%s=d%s|0", prop, prop); + break; + case "uint64": + isUnsigned = true; + // eslint-disable-next-line no-fallthrough + case "int64": + case "sint64": + case "fixed64": + case "sfixed64": gen + ("if(util.Long)") + ("(m%s=util.Long.fromValue(d%s)).unsigned=%j", prop, prop, isUnsigned) + ("else if(typeof d%s===\"string\")", prop) + ("m%s=parseInt(d%s,10)", prop, prop) + ("else if(typeof d%s===\"number\")", prop) + ("m%s=d%s", prop, prop) + ("else if(typeof d%s===\"object\")", prop) + ("m%s=new util.LongBits(d%s.low>>>0,d%s.high>>>0).toNumber(%s)", prop, prop, prop, isUnsigned ? "true" : ""); + break; + case "bytes": gen + ("if(typeof d%s===\"string\")", prop) + ("util.base64.decode(d%s,m%s=util.newBuffer(util.base64.length(d%s)),0)", prop, prop, prop) + ("else if(d%s.length >= 0)", prop) + ("m%s=d%s", prop, prop); + break; + case "string": gen + ("m%s=String(d%s)", prop, prop); + break; + case "bool": gen + ("m%s=Boolean(d%s)", prop, prop); + break; + /* default: gen + ("m%s=d%s", prop, prop); + break; */ + } + } + return gen; + /* eslint-enable no-unexpected-multiline, block-scoped-var, no-redeclare */ +} + +/** + * Generates a plain object to runtime message converter specific to the specified message type. + * @param {Type} mtype Message type + * @returns {Codegen} Codegen instance + */ +converter.fromObject = function fromObject(mtype) { + /* eslint-disable no-unexpected-multiline, block-scoped-var, no-redeclare */ + var fields = mtype.fieldsArray; + var gen = util.codegen(["d"], mtype.name + "$fromObject") + ("if(d instanceof this.ctor)") + ("return d"); + if (!fields.length) return gen + ("return new this.ctor"); + gen + ("var m=new this.ctor"); + for (var i = 0; i < fields.length; ++i) { + var field = fields[i].resolve(), + prop = util.safeProp(field.name); + + // Map fields + if (field.map) { gen + ("if(d%s){", prop) + ("if(typeof d%s!==\"object\")", prop) + ("throw TypeError(%j)", field.fullName + ": object expected") + ("m%s={}", prop) + ("for(var ks=Object.keys(d%s),i=0;i<ks.length;++i){", prop); + genValuePartial_fromObject(gen, field, /* not sorted */ i, prop + "[ks[i]]") + ("}") + ("}"); + + // Repeated fields + } else if (field.repeated) { gen + ("if(d%s){", prop) + ("if(!Array.isArray(d%s))", prop) + ("throw TypeError(%j)", field.fullName + ": array expected") + ("m%s=[]", prop) + ("for(var i=0;i<d%s.length;++i){", prop); + genValuePartial_fromObject(gen, field, /* not sorted */ i, prop + "[i]") + ("}") + ("}"); + + // Non-repeated fields + } else { + if (!(field.resolvedType instanceof Enum)) gen // no need to test for null/undefined if an enum (uses switch) + ("if(d%s!=null){", prop); // !== undefined && !== null + genValuePartial_fromObject(gen, field, /* not sorted */ i, prop); + if (!(field.resolvedType instanceof Enum)) gen + ("}"); + } + } return gen + ("return m"); + /* eslint-enable no-unexpected-multiline, block-scoped-var, no-redeclare */ +}; + +/** + * Generates a partial value toObject converter. + * @param {Codegen} gen Codegen instance + * @param {Field} field Reflected field + * @param {number} fieldIndex Field index + * @param {string} prop Property reference + * @returns {Codegen} Codegen instance + * @ignore + */ +function genValuePartial_toObject(gen, field, fieldIndex, prop) { + /* eslint-disable no-unexpected-multiline, block-scoped-var, no-redeclare */ + if (field.resolvedType) { + if (field.resolvedType instanceof Enum) gen + ("d%s=o.enums===String?(types[%i].values[m%s]===undefined?m%s:types[%i].values[m%s]):m%s", prop, fieldIndex, prop, prop, fieldIndex, prop, prop); + else gen + ("d%s=types[%i].toObject(m%s,o)", prop, fieldIndex, prop); + } else { + var isUnsigned = false; + switch (field.type) { + case "double": + case "float": gen + ("d%s=o.json&&!isFinite(m%s)?String(m%s):m%s", prop, prop, prop, prop); + break; + case "uint64": + isUnsigned = true; + // eslint-disable-next-line no-fallthrough + case "int64": + case "sint64": + case "fixed64": + case "sfixed64": gen + ("if(typeof m%s===\"number\")", prop) + ("d%s=o.longs===String?String(m%s):m%s", prop, prop, prop) + ("else") // Long-like + ("d%s=o.longs===String?util.Long.prototype.toString.call(m%s):o.longs===Number?new util.LongBits(m%s.low>>>0,m%s.high>>>0).toNumber(%s):m%s", prop, prop, prop, prop, isUnsigned ? "true": "", prop); + break; + case "bytes": gen + ("d%s=o.bytes===String?util.base64.encode(m%s,0,m%s.length):o.bytes===Array?Array.prototype.slice.call(m%s):m%s", prop, prop, prop, prop, prop); + break; + default: gen + ("d%s=m%s", prop, prop); + break; + } + } + return gen; + /* eslint-enable no-unexpected-multiline, block-scoped-var, no-redeclare */ +} + +/** + * Generates a runtime message to plain object converter specific to the specified message type. + * @param {Type} mtype Message type + * @returns {Codegen} Codegen instance + */ +converter.toObject = function toObject(mtype) { + /* eslint-disable no-unexpected-multiline, block-scoped-var, no-redeclare */ + var fields = mtype.fieldsArray.slice().sort(util.compareFieldsById); + if (!fields.length) + return util.codegen()("return {}"); + var gen = util.codegen(["m", "o"], mtype.name + "$toObject") + ("if(!o)") + ("o={}") + ("var d={}"); + + var repeatedFields = [], + mapFields = [], + normalFields = [], + i = 0; + for (; i < fields.length; ++i) + if (!fields[i].partOf) + ( fields[i].resolve().repeated ? repeatedFields + : fields[i].map ? mapFields + : normalFields).push(fields[i]); + + if (repeatedFields.length) { gen + ("if(o.arrays||o.defaults){"); + for (i = 0; i < repeatedFields.length; ++i) gen + ("d%s=[]", util.safeProp(repeatedFields[i].name)); + gen + ("}"); + } + + if (mapFields.length) { gen + ("if(o.objects||o.defaults){"); + for (i = 0; i < mapFields.length; ++i) gen + ("d%s={}", util.safeProp(mapFields[i].name)); + gen + ("}"); + } + + if (normalFields.length) { gen + ("if(o.defaults){"); + for (i = 0; i < normalFields.length; ++i) { + var field = normalFields[i], + prop = util.safeProp(field.name); + if (field.resolvedType instanceof Enum) gen + ("d%s=o.enums===String?%j:%j", prop, field.resolvedType.valuesById[field.typeDefault], field.typeDefault); + else if (field.long) gen + ("if(util.Long){") + ("var n=new util.Long(%i,%i,%j)", field.typeDefault.low, field.typeDefault.high, field.typeDefault.unsigned) + ("d%s=o.longs===String?n.toString():o.longs===Number?n.toNumber():n", prop) + ("}else") + ("d%s=o.longs===String?%j:%i", prop, field.typeDefault.toString(), field.typeDefault.toNumber()); + else if (field.bytes) { + var arrayDefault = "[" + Array.prototype.slice.call(field.typeDefault).join(",") + "]"; + gen + ("if(o.bytes===String)d%s=%j", prop, String.fromCharCode.apply(String, field.typeDefault)) + ("else{") + ("d%s=%s", prop, arrayDefault) + ("if(o.bytes!==Array)d%s=util.newBuffer(d%s)", prop, prop) + ("}"); + } else gen + ("d%s=%j", prop, field.typeDefault); // also messages (=null) + } gen + ("}"); + } + var hasKs2 = false; + for (i = 0; i < fields.length; ++i) { + var field = fields[i], + index = mtype._fieldsArray.indexOf(field), + prop = util.safeProp(field.name); + if (field.map) { + if (!hasKs2) { hasKs2 = true; gen + ("var ks2"); + } gen + ("if(m%s&&(ks2=Object.keys(m%s)).length){", prop, prop) + ("d%s={}", prop) + ("for(var j=0;j<ks2.length;++j){"); + genValuePartial_toObject(gen, field, /* sorted */ index, prop + "[ks2[j]]") + ("}"); + } else if (field.repeated) { gen + ("if(m%s&&m%s.length){", prop, prop) + ("d%s=[]", prop) + ("for(var j=0;j<m%s.length;++j){", prop); + genValuePartial_toObject(gen, field, /* sorted */ index, prop + "[j]") + ("}"); + } else { gen + ("if(m%s!=null&&m.hasOwnProperty(%j)){", prop, field.name); // !== undefined && !== null + genValuePartial_toObject(gen, field, /* sorted */ index, prop); + if (field.partOf) gen + ("if(o.oneofs)") + ("d%s=%j", util.safeProp(field.partOf.name), field.name); + } + gen + ("}"); + } + return gen + ("return d"); + /* eslint-enable no-unexpected-multiline, block-scoped-var, no-redeclare */ +}; |
