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- /**
- * Tencent is pleased to support the open source community by making Tars available.
- *
- * Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
- #include "code_generator.h"
- string CodeGenerator::generateTS(const EnumPtr &pPtr, const string &sNamespace)
- {
- ostringstream s;
- INC_TAB;
- s << TAB << "export enum " << pPtr->getId() << " {" << endl;
- INC_TAB;
- int nenum = -1;
- bool bDependent = false;
- vector<TypeIdPtr>& member = pPtr->getAllMemberPtr();
- for (size_t i = 0; i < member.size(); i++)
- {
- bDependent |= isDependent(sNamespace, member[i]->getId());
- if (member[i]->hasDefault())
- {
- nenum = TC_Common::strto<int>(member[i]->def());
- }
- else
- {
- nenum++;
- }
- s << TAB << member[i]->getId() << " = " << TC_Common::tostr(nenum) << ((i < member.size() - 1) ? "," : "") << endl;
- }
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- s << TAB << "export namespace " << pPtr->getId() << " {" << endl;
- INC_TAB;
- s << TAB << "export const _classname = \"" << sNamespace << "." << pPtr->getId() << "\";" << endl;
- s << TAB << "export function _write(os: " << IDL_NAMESPACE_STR << "Stream." << IDL_TYPE << "OutputStream, tag: number, val: number) { return os.writeInt32(tag, val); }" << endl;
- s << TAB << "export function _read(is: " << IDL_NAMESPACE_STR << "Stream." << IDL_TYPE << "InputStream, tag: number, def?: number) { return is.readInt32(tag, true, def); }" << endl;
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- DEL_TAB;
- if (!_bMinimalMembers || _bEntry || bDependent || isDependent(sNamespace, pPtr->getId())) {
- return s.str();
- } else {
- return "";
- }
- }
- string CodeGenerator::generateTS(const ConstPtr &pPtr, const string &sNamespace, bool &bNeedStream)
- {
- if (_bMinimalMembers && !_bEntry && !isDependent(sNamespace, pPtr->getTypeIdPtr()->getId()))
- {
- return "";
- }
- ostringstream s;
- if (_bStringBinaryEncoding && GET_CONST_GRAMMAR_PTR(pPtr)->t == CONST_GRAMMAR(STRING))
- {
- bNeedStream = true;
- }
- INC_TAB;
- s << TAB << "export const " << pPtr->getTypeIdPtr()->getId() << ": "
- << getTsType(pPtr->getTypeIdPtr()->getTypePtr()) << " = "
- << getDefault(pPtr->getTypeIdPtr(), GET_CONST_GRAMMAR_PTR(pPtr)->v, sNamespace, false, true) << ";"
- << endl;
- DEL_TAB;
- return s.str();
- }
- string CodeGenerator::generateTS(const StructPtr &pPtr, const string &sNamespace, bool &bNeedAssert, bool &bQuickFunc)
- {
- if (_bMinimalMembers && !_bEntry && !isDependent(sNamespace, pPtr->getId()))
- {
- return "";
- }
- string sStructName = pPtr->getId() + "$OBJ";
- vector<TypeIdPtr> &member = pPtr->getAllMemberPtr();
- INC_TAB;
- // Struct
- ostringstream s;
- s << TAB << "export class " << pPtr->getId() << " {" << endl;
- INC_TAB;
- // class members
- for (size_t i = 0; i < member.size(); i++)
- {
- s << TAB << (member[i]->getId()) << ": "
- << getTsType(member[i]->getTypePtr()) << " = "
- << getDefault(member[i], member[i]->def(), sNamespace, true, true) << ";" << endl;
- }
- if (member.size() > 0)
- {
- s << endl;
- }
- // _classname, _proto_struct_name_
- s << TAB << "protected _proto_struct_name_ = \"\";" << endl;
- s << TAB << "protected _classname = \"" << sNamespace << "." << pPtr->getId() << "\";" << endl;
- s << TAB << "protected static _classname = \"" << sNamespace << "." << pPtr->getId() << "\";" << endl;
- // _write, _read
- s << TAB << "protected static _write(os: " << IDL_NAMESPACE_STR << "Stream.TarsOutputStream, tag: number, val: any) { os.writeStruct(tag, val); }" << endl;
- s << TAB << "protected static _read(is: " << IDL_NAMESPACE_STR << "Stream.TarsInputStream, tag: number, def?: any) { return is.readStruct(tag, true, def); }" << endl;
- // _readFrom
- s << TAB << "protected static _readFrom(is: " << IDL_NAMESPACE_STR << "Stream.TarsInputStream) {" << endl;
- INC_TAB;
- s << TAB << "const tmp = new " << pPtr->getId() << ";" << endl;
- for (size_t i = 0; i < member.size(); i++)
- {
- string sFuncName = toFunctionName(member[i], "read");
- s << TAB << "tmp." << member[i]->getId() << " = is." << sFuncName << "(" << member[i]->getTag()
- << ", " << (member[i]->isRequire() ? "true" : "false") << ", ";
- if (isSimple(member[i]->getTypePtr()))
- {
- s << getDefault(member[i], member[i]->def(), sNamespace, true, true)
- << representArgument(member[i]->getTypePtr());
- }
- else
- {
- s << getDataType(member[i]->getTypePtr(), true);
- }
- s << ");" << endl;
- }
- s << TAB << "return tmp;" << endl;
- DEL_TAB; // end of _readFrom
- s << TAB << "}" << endl << endl;
- // _writeTo
- s << TAB << "protected _writeTo(os: " << IDL_NAMESPACE_STR << "Stream.TarsOutputStream) {" << endl;
- INC_TAB;
- for (size_t i = 0; i < member.size(); i++)
- {
- string sFuncName = toFunctionName(member[i], "write");
- s << TAB << "os." << sFuncName << "(" << member[i]->getTag() << ", this." << member[i]->getId()
- << representArgument(member[i]->getTypePtr()) << ");" << endl;
- }
- DEL_TAB; // end of _writeTo
- s << TAB << "}" << endl;
- /*
- * Size Optimize:
- * Remove <mutil_map> support.
- * Remove toBinBuffer, readFromObject, toObject, new, create members.
- */
- if (_iOptimizeLevel != Os)
- {
- s << endl;
- // _equal
- vector<string> key = pPtr->getKey();
- s << TAB << "protected _equal(" << (key.size() > 0 ? "anItem: any" : "") << ")" << (key.size() > 0 ? ": boolean" : "") << " {" << endl;
- INC_TAB;
- if (key.size() > 0)
- {
- s << TAB << "return ";
- for (size_t i = 0; i < key.size(); i++)
- {
- for (size_t ii = 0; ii < member.size(); ii++)
- {
- if (key[i] != member[ii]->getId())
- {
- continue;
- }
- if (isSimple(member[i]->getTypePtr()))
- {
- s << (i==0?"":TAB + TAB) << "this." << key[i] << " === " << "anItem." << key[i];
- }
- else
- {
- s << (i==0?"":TAB + TAB) << "this._equal(" << "anItem)";
- }
- }
- if (i != key.size() - 1)
- {
- s << " && " << endl;
- }
- }
- s << ";" << endl;
- }
- else
- {
- bNeedAssert = true;
- s << TAB << "assert.fail(\"this structure not define key operation\");" << endl;
- }
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- // _genKey
- s << TAB << "protected _genKey() {" << endl;
- INC_TAB;
- s << TAB << "if (!this._proto_struct_name_) {" << endl;
- INC_TAB;
- s << TAB << "this._proto_struct_name_ = \"STRUCT\" + Math.random();" << endl;
- DEL_TAB;
- s << TAB << "}" << endl;
- s << TAB << "return this._proto_struct_name_;" << endl;
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- // toObject
- s << TAB << "toObject(): " << pPtr->getId() << ".Object { "<< endl;
- INC_TAB;
- s << TAB << "return {" << endl;
- for (size_t i = 0; i < member.size(); i++)
- {
- INC_TAB;
- if (i > 0 && i < member.size()) {
- s << "," << endl;
- }
- if (isSimple(member[i]->getTypePtr())) {
- s << TAB << member[i]->getId() << ": this." << member[i]->getId();
- }
- else {
- s << TAB << member[i]->getId() << ": this." << member[i]->getId() << ".toObject()";
- }
- DEL_TAB;
- }
- s << endl;
- s << TAB << "};" << endl;
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- // readFromObject
- s << TAB << "readFromObject(json: " << pPtr->getId() << ".Object) { "<< endl;
- INC_TAB;
- for (size_t i = 0; i < member.size(); i++)
- {
- if (isSimple(member[i]->getTypePtr())) {
- s << TAB << "_hasOwnProperty.call(json, \"" << member[i]->getId() << "\") && (this." << member[i]->getId() << " = json." << member[i]->getId() << (member[i]->isRequire() ? "" : "!") << ");" << endl;
- } else {
- s << TAB << "_hasOwnProperty.call(json, \"" << member[i]->getId() << "\") && (this." << member[i]->getId() << ".readFromObject(json." << member[i]->getId() << (member[i]->isRequire() ? "" : "!") << "));" << endl;
- }
- bQuickFunc = true;
- }
- s << TAB << "return this;" << endl;
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- // toBinBuffer
- s << TAB << "toBinBuffer() {" << endl;
- INC_TAB;
- s << TAB << "const os = new " << IDL_NAMESPACE_STR << "Stream." << IDL_TYPE << "OutputStream();" << endl;
- s << TAB << "this._writeTo(os);" << endl;
- s << TAB << "return os.getBinBuffer();" << endl;
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- // new
- s << TAB << "static new() {" << endl;
- INC_TAB;
- s << TAB << "return new " << pPtr->getId() << "();" << endl;
- DEL_TAB;
- s << TAB << "}" << endl << endl;
- // create
- s << TAB << "static create(is: " << IDL_NAMESPACE_STR << "Stream.TarsInputStream) {" << endl;
- INC_TAB;
- s << TAB << "return " << sNamespace << "." << pPtr->getId() << "._readFrom(is);" << endl;
- DEL_TAB;
- s << TAB << "}" << endl;
- }
- DEL_TAB; // end of Struct
- s << TAB << "}" << endl << endl;
- // Additional namespace
- s << TAB << "export namespace " << pPtr->getId() << " {" << endl;
- INC_TAB;
- s << TAB << "export interface Object {" << endl;
- INC_TAB;
- for (size_t i = 0; i < member.size(); i++)
- {
- const string &sType = getTsType(member[i]->getTypePtr(), false);
- s << TAB << (member[i]->getId()) << (member[i]->isRequire() ? ": " : "?: ") << (!sType.empty() ? sType : "never") << ";" << endl;
- }
- DEL_TAB;
- s << TAB << "}" << endl;
- DEL_TAB;
- s << TAB << "}" << endl;
- DEL_TAB;
- return s.str();
- }
- string CodeGenerator::generateTS(const NamespacePtr &pPtr, bool &bNeedStream, bool &bNeedAssert, bool &bQuickFunc)
- {
- // struct
- ostringstream sstr;
- vector<StructPtr> ss(pPtr->getAllStructPtr());
- for (size_t last = 0; last != ss.size() && ss.size() != 0;)
- {
- last = ss.size();
- for (vector<StructPtr>::iterator iter=ss.begin(); iter!=ss.end();)
- {
- string str = generateTS(*iter, pPtr->getId(), bNeedAssert, bQuickFunc);
- if (!str.empty())
- {
- sstr << str << endl;
- iter = ss.erase(iter);
- }
- else
- {
- iter++;
- }
- }
- }
- // const
- ostringstream cstr;
- vector<ConstPtr> &cs = pPtr->getAllConstPtr();
- for (size_t i = 0; i < cs.size(); i++)
- {
- cstr << generateTS(cs[i], pPtr->getId(), bNeedStream);
- }
- // enum
- ostringstream estr;
- vector<EnumPtr> &es = pPtr->getAllEnumPtr();
- for (size_t i = 0; i < es.size(); i++)
- {
- estr << generateTS(es[i], pPtr->getId());
- }
- ostringstream kstr;
- if (!estr.str().empty())
- {
- bNeedStream = true;
- kstr << estr.str() << endl;
- }
- if (!cstr.str().empty()) kstr << cstr.str() << endl;
- if (!sstr.str().empty())
- {
- bNeedStream = true;
- kstr << sstr.str();
- }
- return kstr.str();
- }
- string CodeGenerator::generateTS(const NamespacePtr &pPtr, const string &sContent)
- {
- ostringstream str;
- if (!sContent.empty())
- {
- str << "export namespace " << pPtr->getId() << " {" << endl;
- str << sContent;
- str << "}" << endl << endl;
- }
- return str.str();
- }
- void CodeGenerator::generateTS(const ContextPtr &pPtr)
- {
- vector<NamespacePtr> namespaces = pPtr->getNamespaces();
- // generate encoders and decoders
- ostringstream estr;
- bool bNeedAssert = false;
- bool bNeedStream = false;
- bool bQuickFunc = false;
- for (size_t i = 0; i < namespaces.size(); i++)
- {
- estr << generateTS(namespaces[i], generateTS(namespaces[i], bNeedStream, bNeedAssert, bQuickFunc));
- }
- if (estr.str().empty())
- {
- return;
- }
- // generate module imports
- ostringstream ostr;
- if (bNeedAssert)
- {
- ostr << "import assert = require(\"assert\");" << endl;
- }
- if (bNeedStream)
- {
- ostr << "import * as " << IDL_NAMESPACE_STR << "Stream from \"" << _sStreamPath << "\";" << endl;
- }
- for (map<string, ImportFile>::iterator it = _mapFiles.begin(); it != _mapFiles.end(); it++)
- {
- if (it->second.sModule.empty()) continue;
- if (estr.str().find(it->second.sModule + ".") == string::npos) continue;
- ostr << "import * as " << it->second.sModule << " from \"" << TC_File::excludeFileExt(it->second.sFile) << "\";" << endl;
- }
- if (bQuickFunc)
- {
- ostr << endl;
- ostr << "const _hasOwnProperty = Object.prototype.hasOwnProperty;" << endl;
- }
- // concat generated code
- ostringstream sstr;
- sstr << printHeaderRemark("Structure");
- sstr << DISABLE_TSLINT << endl;
- sstr << DISABLE_ESLINT << endl;
- sstr << endl;
- sstr << "/// <reference types=\"node\" />" << endl;
- sstr << ostr.str() << endl;
- sstr << estr.str() << endl;
- string sFileName = TC_File::excludeFileExt(_sToPath + TC_File::extractFileName(pPtr->getFileName())) + IDL_TYPE + ".ts";
- TC_File::makeDirRecursive(_sToPath);
- makeUTF8File(sFileName, sstr.str());
- }
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