diff options
Diffstat (limited to 'frontend-old/node_modules/protobufjs/src/encoder.js')
| -rw-r--r-- | frontend-old/node_modules/protobufjs/src/encoder.js | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/frontend-old/node_modules/protobufjs/src/encoder.js b/frontend-old/node_modules/protobufjs/src/encoder.js new file mode 100644 index 0000000..795ae2f --- /dev/null +++ b/frontend-old/node_modules/protobufjs/src/encoder.js @@ -0,0 +1,100 @@ +"use strict"; +module.exports = encoder; + +var Enum = require("./enum"), + types = require("./types"), + util = require("./util"); + +/** + * Generates a partial message type encoder. + * @param {Codegen} gen Codegen instance + * @param {Field} field Reflected field + * @param {number} fieldIndex Field index + * @param {string} ref Variable reference + * @returns {Codegen} Codegen instance + * @ignore + */ +function genTypePartial(gen, field, fieldIndex, ref) { + return field.delimited + ? gen("types[%i].encode(%s,w.uint32(%i)).uint32(%i)", fieldIndex, ref, (field.id << 3 | 3) >>> 0, (field.id << 3 | 4) >>> 0) + : gen("types[%i].encode(%s,w.uint32(%i).fork()).ldelim()", fieldIndex, ref, (field.id << 3 | 2) >>> 0); +} + +/** + * Generates an encoder specific to the specified message type. + * @param {Type} mtype Message type + * @returns {Codegen} Codegen instance + */ +function encoder(mtype) { + /* eslint-disable no-unexpected-multiline, block-scoped-var, no-redeclare */ + var gen = util.codegen(["m", "w"], mtype.name + "$encode") + ("if(!w)") + ("w=Writer.create()"); + + var i, ref; + + // "when a message is serialized its known fields should be written sequentially by field number" + var fields = /* initializes */ mtype.fieldsArray.slice().sort(util.compareFieldsById); + + for (var i = 0; i < fields.length; ++i) { + var field = fields[i].resolve(), + index = mtype._fieldsArray.indexOf(field), + type = field.resolvedType instanceof Enum ? "int32" : field.type, + wireType = types.basic[type]; + ref = "m" + util.safeProp(field.name); + + // Map fields + if (field.map) { + gen + ("if(%s!=null&&Object.hasOwnProperty.call(m,%j)){", ref, field.name) // !== undefined && !== null + ("for(var ks=Object.keys(%s),i=0;i<ks.length;++i){", ref) + ("w.uint32(%i).fork().uint32(%i).%s(ks[i])", (field.id << 3 | 2) >>> 0, 8 | types.mapKey[field.keyType], field.keyType); + if (wireType === undefined) gen + ("types[%i].encode(%s[ks[i]],w.uint32(18).fork()).ldelim().ldelim()", index, ref); // can't be groups + else gen + (".uint32(%i).%s(%s[ks[i]]).ldelim()", 16 | wireType, type, ref); + gen + ("}") + ("}"); + + // Repeated fields + } else if (field.repeated) { gen + ("if(%s!=null&&%s.length){", ref, ref); // !== undefined && !== null + + // Packed repeated + if (field.packed && types.packed[type] !== undefined) { gen + + ("w.uint32(%i).fork()", (field.id << 3 | 2) >>> 0) + ("for(var i=0;i<%s.length;++i)", ref) + ("w.%s(%s[i])", type, ref) + ("w.ldelim()"); + + // Non-packed + } else { gen + + ("for(var i=0;i<%s.length;++i)", ref); + if (wireType === undefined) + genTypePartial(gen, field, index, ref + "[i]"); + else gen + ("w.uint32(%i).%s(%s[i])", (field.id << 3 | wireType) >>> 0, type, ref); + + } gen + ("}"); + + // Non-repeated + } else { + if (field.optional) gen + ("if(%s!=null&&Object.hasOwnProperty.call(m,%j))", ref, field.name); // !== undefined && !== null + + if (wireType === undefined) + genTypePartial(gen, field, index, ref); + else gen + ("w.uint32(%i).%s(%s)", (field.id << 3 | wireType) >>> 0, type, ref); + + } + } + + return gen + ("return w"); + /* eslint-enable no-unexpected-multiline, block-scoped-var, no-redeclare */ +} |
