1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "native_module_convertxml.h" 17 #include "tools/ets_error.h" 18 #include "tools/log.h" 19 #include "js_convertxml.h" 20 21 extern const char _binary_js_convertxml_js_start[]; 22 extern const char _binary_js_convertxml_js_end[]; 23 extern const char _binary_convertxml_abc_start[]; 24 extern const char _binary_convertxml_abc_end[]; 25 26 namespace OHOS::Xml { 27 using namespace OHOS::Tools; 28 static const int32_t ERROR_CODE = 401; // 401 : the parameter type is incorrect 29 ConvertXmlConstructor(napi_env env,napi_callback_info info)30 static napi_value ConvertXmlConstructor(napi_env env, napi_callback_info info) 31 { 32 napi_value thisVar = nullptr; 33 void *data = nullptr; 34 napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, &data); 35 auto objectInfo = new (std::nothrow) ConvertXml(env); 36 if (objectInfo == nullptr) { 37 HILOG_ERROR("ConvertXmlConstructor:: memory allocation failed, objectInfo is nullptr"); 38 return nullptr; 39 } 40 napi_status status = napi_wrap(env, thisVar, objectInfo, 41 [](napi_env environment, void *data, void *hint) { 42 auto obj = reinterpret_cast<ConvertXml*>(data); 43 if (obj != nullptr) { 44 delete obj; 45 obj = nullptr; 46 } 47 }, nullptr, nullptr); 48 if (status != napi_ok) { 49 HILOG_ERROR("ConvertXmlConstructor:: napi_wrap failed"); 50 delete objectInfo; 51 objectInfo = nullptr; 52 } 53 return thisVar; 54 } 55 Convert(napi_env env,napi_callback_info info)56 static napi_value Convert(napi_env env, napi_callback_info info) 57 { 58 napi_value thisVar = nullptr; 59 size_t requireMaxArgc = 2; // 2:MaxArgc 60 size_t requireMinArgc = 1; 61 size_t argc = 2; // 2:The number of parameters is 2 62 napi_value args[2] = { nullptr }; 63 NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr)); 64 NAPI_ASSERT(env, argc <= requireMaxArgc, "Wrong number of arguments(Over)"); 65 NAPI_ASSERT(env, argc >= requireMinArgc, "Wrong number of arguments(Less)"); 66 std::string strXml; 67 napi_valuetype valuetype; 68 ConvertXml *object = nullptr; 69 NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object))); 70 71 NAPI_CALL(env, napi_typeof(env, args[0], &valuetype)); 72 NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument type: string expected."); 73 object->DealNapiStrValue(env, args[0], strXml); 74 if (argc > 1) { 75 object->DealOptions(env, args[1], true); 76 } 77 napi_value result = object->Convert(env, strXml, true); 78 return result; 79 } 80 FastConvert(napi_env env,napi_callback_info info)81 static napi_value FastConvert(napi_env env, napi_callback_info info) 82 { 83 napi_value thisVar = nullptr; 84 size_t argc = 2; // 2:The number of parameters 85 napi_value args[2] = { nullptr }; // 2:The number of parameters 86 napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr); 87 std::string strXml; 88 ConvertXml *convertxml = nullptr; 89 napi_unwrap(env, thisVar, reinterpret_cast<void**>(&convertxml)); 90 if (convertxml == nullptr) { 91 ErrorHelper::ThrowError(env, ERROR_CODE, "Parameter error. Parameter verification failed."); 92 return nullptr; 93 } 94 convertxml->DealNapiStrValue(env, args[0], strXml); 95 if (argc > 1) { 96 convertxml->DealOptions(env, args[1], false); 97 } 98 return convertxml->Convert(env, strXml, false); 99 } 100 ConvertXmlInit(napi_env env,napi_value exports)101 napi_value ConvertXmlInit(napi_env env, napi_value exports) 102 { 103 const char *convertXmlClassName = "ConvertXml"; 104 napi_value convertXmlClass = nullptr; 105 napi_property_descriptor convertXmlDesc[] = { 106 DECLARE_NAPI_FUNCTION("convert", Convert), 107 DECLARE_NAPI_FUNCTION("fastConvertToJSObject", FastConvert) 108 }; 109 NAPI_CALL(env, napi_define_class(env, convertXmlClassName, strlen(convertXmlClassName), ConvertXmlConstructor, 110 nullptr, sizeof(convertXmlDesc) / sizeof(convertXmlDesc[0]), convertXmlDesc, 111 &convertXmlClass)); 112 napi_property_descriptor desc[] = { 113 DECLARE_NAPI_PROPERTY("ConvertXml", convertXmlClass) 114 }; 115 NAPI_CALL(env, napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc)); 116 return exports; 117 } 118 119 extern "C" NAPI_convertxml_GetJSCode(const char ** buf,int * bufLen)120 __attribute__((visibility("default"))) void NAPI_convertxml_GetJSCode(const char **buf, int *bufLen) 121 { 122 if (buf != nullptr) { 123 *buf = _binary_js_convertxml_js_start; 124 } 125 if (bufLen != nullptr) { 126 *bufLen = _binary_js_convertxml_js_end - _binary_js_convertxml_js_start; 127 } 128 } 129 extern "C" NAPI_convertxml_GetABCCode(const char ** buf,int * buflen)130 __attribute__((visibility("default"))) void NAPI_convertxml_GetABCCode(const char** buf, int* buflen) 131 { 132 if (buf != nullptr) { 133 *buf = _binary_convertxml_abc_start; 134 } 135 if (buflen != nullptr) { 136 *buflen = _binary_convertxml_abc_end - _binary_convertxml_abc_start; 137 } 138 } 139 140 static napi_module_with_js convertXmlModule = { 141 .nm_version = 1, 142 .nm_flags = 0, 143 .nm_filename = nullptr, 144 .nm_register_func = ConvertXmlInit, 145 .nm_modname = "convertxml", 146 .nm_priv = reinterpret_cast<void*>(0), 147 .nm_get_abc_code = NAPI_convertxml_GetABCCode, 148 .nm_get_js_code = NAPI_convertxml_GetJSCode, 149 }; 150 ConvertXMLRegisterModule(void)151 extern "C" __attribute__((constructor)) void ConvertXMLRegisterModule(void) 152 { 153 napi_module_with_js_register(&convertXmlModule); 154 } 155 } // namespace OHOS::Xml 156