diff options
Diffstat (limited to 'frontend-old/node_modules/protobufjs/src/verifier.js')
| -rw-r--r-- | frontend-old/node_modules/protobufjs/src/verifier.js | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/frontend-old/node_modules/protobufjs/src/verifier.js b/frontend-old/node_modules/protobufjs/src/verifier.js new file mode 100644 index 0000000..d58e27a --- /dev/null +++ b/frontend-old/node_modules/protobufjs/src/verifier.js @@ -0,0 +1,177 @@ +"use strict"; +module.exports = verifier; + +var Enum = require("./enum"), + util = require("./util"); + +function invalid(field, expected) { + return field.name + ": " + expected + (field.repeated && expected !== "array" ? "[]" : field.map && expected !== "object" ? "{k:"+field.keyType+"}" : "") + " expected"; +} + +/** + * Generates a partial value verifier. + * @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 genVerifyValue(gen, field, fieldIndex, ref) { + /* eslint-disable no-unexpected-multiline */ + if (field.resolvedType) { + if (field.resolvedType instanceof Enum) { gen + ("switch(%s){", ref) + ("default:") + ("return%j", invalid(field, "enum value")); + for (var keys = Object.keys(field.resolvedType.values), j = 0; j < keys.length; ++j) gen + ("case %i:", field.resolvedType.values[keys[j]]); + gen + ("break") + ("}"); + } else { + gen + ("{") + ("var e=types[%i].verify(%s);", fieldIndex, ref) + ("if(e)") + ("return%j+e", field.name + ".") + ("}"); + } + } else { + switch (field.type) { + case "int32": + case "uint32": + case "sint32": + case "fixed32": + case "sfixed32": gen + ("if(!util.isInteger(%s))", ref) + ("return%j", invalid(field, "integer")); + break; + case "int64": + case "uint64": + case "sint64": + case "fixed64": + case "sfixed64": gen + ("if(!util.isInteger(%s)&&!(%s&&util.isInteger(%s.low)&&util.isInteger(%s.high)))", ref, ref, ref, ref) + ("return%j", invalid(field, "integer|Long")); + break; + case "float": + case "double": gen + ("if(typeof %s!==\"number\")", ref) + ("return%j", invalid(field, "number")); + break; + case "bool": gen + ("if(typeof %s!==\"boolean\")", ref) + ("return%j", invalid(field, "boolean")); + break; + case "string": gen + ("if(!util.isString(%s))", ref) + ("return%j", invalid(field, "string")); + break; + case "bytes": gen + ("if(!(%s&&typeof %s.length===\"number\"||util.isString(%s)))", ref, ref, ref) + ("return%j", invalid(field, "buffer")); + break; + } + } + return gen; + /* eslint-enable no-unexpected-multiline */ +} + +/** + * Generates a partial key verifier. + * @param {Codegen} gen Codegen instance + * @param {Field} field Reflected field + * @param {string} ref Variable reference + * @returns {Codegen} Codegen instance + * @ignore + */ +function genVerifyKey(gen, field, ref) { + /* eslint-disable no-unexpected-multiline */ + switch (field.keyType) { + case "int32": + case "uint32": + case "sint32": + case "fixed32": + case "sfixed32": gen + ("if(!util.key32Re.test(%s))", ref) + ("return%j", invalid(field, "integer key")); + break; + case "int64": + case "uint64": + case "sint64": + case "fixed64": + case "sfixed64": gen + ("if(!util.key64Re.test(%s))", ref) // see comment above: x is ok, d is not + ("return%j", invalid(field, "integer|Long key")); + break; + case "bool": gen + ("if(!util.key2Re.test(%s))", ref) + ("return%j", invalid(field, "boolean key")); + break; + } + return gen; + /* eslint-enable no-unexpected-multiline */ +} + +/** + * Generates a verifier specific to the specified message type. + * @param {Type} mtype Message type + * @returns {Codegen} Codegen instance + */ +function verifier(mtype) { + /* eslint-disable no-unexpected-multiline */ + + var gen = util.codegen(["m"], mtype.name + "$verify") + ("if(typeof m!==\"object\"||m===null)") + ("return%j", "object expected"); + var oneofs = mtype.oneofsArray, + seenFirstField = {}; + if (oneofs.length) gen + ("var p={}"); + + for (var i = 0; i < /* initializes */ mtype.fieldsArray.length; ++i) { + var field = mtype._fieldsArray[i].resolve(), + ref = "m" + util.safeProp(field.name); + + if (field.optional) gen + ("if(%s!=null&&m.hasOwnProperty(%j)){", ref, field.name); // !== undefined && !== null + + // map fields + if (field.map) { gen + ("if(!util.isObject(%s))", ref) + ("return%j", invalid(field, "object")) + ("var k=Object.keys(%s)", ref) + ("for(var i=0;i<k.length;++i){"); + genVerifyKey(gen, field, "k[i]"); + genVerifyValue(gen, field, i, ref + "[k[i]]") + ("}"); + + // repeated fields + } else if (field.repeated) { gen + ("if(!Array.isArray(%s))", ref) + ("return%j", invalid(field, "array")) + ("for(var i=0;i<%s.length;++i){", ref); + genVerifyValue(gen, field, i, ref + "[i]") + ("}"); + + // required or present fields + } else { + if (field.partOf) { + var oneofProp = util.safeProp(field.partOf.name); + if (seenFirstField[field.partOf.name] === 1) gen + ("if(p%s===1)", oneofProp) + ("return%j", field.partOf.name + ": multiple values"); + seenFirstField[field.partOf.name] = 1; + gen + ("p%s=1", oneofProp); + } + genVerifyValue(gen, field, i, ref); + } + if (field.optional) gen + ("}"); + } + return gen + ("return null"); + /* eslint-enable no-unexpected-multiline */ +}
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