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js_api_module/xml/native_module_xml.cpp
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lifansheng e015cf4881 Signed-off-by: lifansheng <lifansheng1@huawei.com>
On branch master
 Your branch is up to date with 'origin/master'.
2021-12-21 16:36:57 +08:00

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20 KiB
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/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 "js_xml.h"
#include "napi/native_api.h"
#include "napi/native_node_api.h"
extern const char _binary_js_xml_js_start[];
extern const char _binary_js_xml_js_end[];
extern const char _binary_xml_abc_start[];
extern const char _binary_xml_abc_end[];
namespace OHOS::xml {
static napi_value XmlSerializerConstructor(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
void *data = nullptr;
size_t argc = 0;
napi_value args[2] = { 0 };
XmlSerializer *object = nullptr;
size_t iLength = 0;
size_t offPos = 0;
napi_value arraybuffer = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, &data));
NAPI_ASSERT(env, argc == 1 || argc == 2, "Wrong number of arguments"); // 2: number of args
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, &data));
if (args[0] == nullptr) {
NAPI_CALL(env, napi_throw_error(env, "", "parameter is empty"));
} else {
bool bFlag = false;
napi_is_arraybuffer(env, args[0], &bFlag);
if (bFlag) {
napi_get_arraybuffer_info(env, args[0], &data, &iLength);
}
napi_is_dataview(env, args[0], &bFlag);
if (bFlag) {
napi_get_dataview_info(env, args[0], &iLength, &data, &arraybuffer, &offPos);
}
}
if (argc == 1) {
object = new XmlSerializer(reinterpret_cast<char*>(data), iLength);
} else if (argc == 2) { // 2:When the input parameter is set to 2
std::string encoding = "";
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected.");
napi_status status = napi_ok;
status = XmlSerializer::DealNapiStrValue(env, args[1], encoding);
if (status == napi_ok) {
object = new XmlSerializer(reinterpret_cast<char*>(data), iLength, encoding);
}
}
napi_wrap(
env, thisVar, object,
[](napi_env env, void *data, void *hint) {
auto obj = (XmlSerializer*)data;
if (obj != nullptr) {
delete obj;
}
},
nullptr, nullptr);
return thisVar;
}
static napi_value XmlPullParserConstructor(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
void *data = nullptr;
size_t argc = 0;
napi_value args[2] = { 0 }; // 2:two args
XmlPullParser *object = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, &data));
NAPI_ASSERT(env, argc == 1 || argc == 2, "Wrong number of arguments"); // 2:two args
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, &data));
napi_valuetype valuetype = napi_null;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_object, "Wrong argument typr. Object(DataView or ArrayBuffer) expected.");
bool bFlag = false;
size_t len = 0;
size_t offPos = 0;
napi_value arraybuffer = nullptr;
NAPI_ASSERT(env, args[0] != nullptr, "Wrong argument value. (not nullptr expected).");
napi_is_arraybuffer(env, args[0], &bFlag);
if (bFlag) {
napi_get_arraybuffer_info(env, args[0], &data, &len);
}
napi_is_dataview(env, args[0], &bFlag);
if (bFlag) {
napi_get_dataview_info(env, args[0], &len, &data, &arraybuffer, &offPos);
}
if (data) {
std::string strEnd = (char*)data;
if (argc == 1) {
object = new XmlPullParser(env, strEnd, "utf-8");
} else if (argc == 2) { // 2:When the input parameter is set to 2
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected.");
std::string strEncoding = "";
XmlSerializer::DealNapiStrValue(env, args[1], strEncoding);
object = new XmlPullParser(env, strEnd, strEncoding);
}
}
napi_wrap(
env, thisVar, object,
[](napi_env env, void *data, void *hint) {
auto obj = (XmlPullParser*)data;
if (obj != nullptr) {
delete obj;
}
},
nullptr, nullptr);
return thisVar;
}
static napi_value SetAttributes(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[2] = { 0 }; // 2:two args
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 2, "Wrong number of arguments"); // 2: number of args
napi_valuetype valuetype = napi_null;
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty.");
NAPI_ASSERT(env, args[1] != nullptr, "Parameter is empty.");
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. Object expected.");
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. Object expected.");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string name;
std::string value;
XmlSerializer::DealNapiStrValue(env, args[0], name);
XmlSerializer::DealNapiStrValue(env, args[1], value);
object->SetAttributes(name, value);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value AddEmptyElement(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 1;
napi_value args[1] = { 0 };
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments(Over)");
if (args[0] == nullptr) {
NAPI_CALL(env, napi_throw_error(env, "", "parameter is empty"));
} else {
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected.");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string name;
object->DealNapiStrValue(env, args[0], name);
object->AddEmptyElement(name);
}
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value SetDeclaration(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
object->SetDeclaration();
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value StartElement(napi_env env, napi_callback_info info)
{
size_t argc = 1;
napi_value args[1] = { 0 };
napi_value thisVar = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty.");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string name;
object->DealNapiStrValue(env, args[0], name);
object->StartElement(name);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value EndElement(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
object->EndElement();
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value SetNamespace(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[2] = { 0 }; // 2:two args
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 2, "Wrong number of arguments"); // 2:two args
napi_valuetype valuetype = napi_null;
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty.");
NAPI_ASSERT(env, args[1] != nullptr, "Parameter is empty.");
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. Object expected.");
NAPI_CALL(env, napi_typeof(env, args[1], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. Object expected.");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string prefix;
std::string nsTemp;
XmlSerializer::DealNapiStrValue(env, args[0], prefix);
XmlSerializer::DealNapiStrValue(env, args[1], nsTemp);
object->SetNamespace(prefix, nsTemp);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value SetCommnet(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[1] = { 0 };
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
napi_valuetype valuetype = napi_null;
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty).");
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string comment;
object->DealNapiStrValue(env, args[0], comment);
object->SetCommnet(comment);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value SetCData(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[1] = { 0 };
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
napi_valuetype valuetype = napi_null;
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty).");
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string data;
XmlSerializer::DealNapiStrValue(env, args[0], data);
object->SetCData(data);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value SetText(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[1] = { 0 };
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
napi_valuetype valuetype = napi_null;
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty).");
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected.");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string text;
XmlSerializer::DealNapiStrValue(env, args[0], text);
object->SetText(text);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value SetDocType(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[1] = { 0 };
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments");
napi_valuetype valuetype = napi_null;
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty).");
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_string, "Wrong argument typr. String expected.");
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string text;
XmlSerializer::DealNapiStrValue(env, args[0], text);
object->SetDocType(text);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value XmlSerializerError(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
napi_value result = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
XmlSerializer *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string temp = object->XmlSerializerError();
size_t templen = temp.size();
NAPI_CALL(env, napi_create_string_utf8(env, temp.c_str(), templen, &result));
return result;
}
static napi_value XmlSerializerInit(napi_env env, napi_value exports)
{
const char *xmlSerializerClass = "XmlSerializer";
napi_value xmlClass = nullptr;
static napi_property_descriptor xmlDesc[] = {
DECLARE_NAPI_FUNCTION("setAttributes", SetAttributes),
DECLARE_NAPI_FUNCTION("addEmptyElement", AddEmptyElement),
DECLARE_NAPI_FUNCTION("setDeclaration", SetDeclaration),
DECLARE_NAPI_FUNCTION("startElement", StartElement),
DECLARE_NAPI_FUNCTION("endElement", EndElement),
DECLARE_NAPI_FUNCTION("setNamespace", SetNamespace),
DECLARE_NAPI_FUNCTION("setCommnet", SetCommnet),
DECLARE_NAPI_FUNCTION("setCData", SetCData),
DECLARE_NAPI_FUNCTION("setText", SetText),
DECLARE_NAPI_FUNCTION("setDocType", SetDocType),
DECLARE_NAPI_FUNCTION("XmlSerializerError", XmlSerializerError)
};
NAPI_CALL(env, napi_define_class(env, xmlSerializerClass, strlen(xmlSerializerClass), XmlSerializerConstructor,
nullptr, sizeof(xmlDesc) / sizeof(xmlDesc[0]), xmlDesc, &xmlClass));
static napi_property_descriptor desc[] = {
DECLARE_NAPI_PROPERTY("XmlSerializer", xmlClass)
};
napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
return exports;
}
static napi_value Parse(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
size_t argc = 0;
napi_value args[1] = { 0 };
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, nullptr, &thisVar, nullptr));
NAPI_ASSERT(env, argc == 1, "Wrong number of arguments, one expected.");
NAPI_CALL(env, napi_get_cb_info(env, info, &argc, args, &thisVar, nullptr));
NAPI_ASSERT(env, args[0] != nullptr, "Parameter is empty.");
napi_valuetype valuetype;
NAPI_CALL(env, napi_typeof(env, args[0], &valuetype));
NAPI_ASSERT(env, valuetype == napi_object, "Wrong argument typr. Object expected.");
XmlPullParser *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
object->DealOptionInfo(args[0], info);
object->Parse(thisVar);
napi_value result = nullptr;
NAPI_CALL(env, napi_get_undefined(env, &result));
return result;
}
static napi_value XmlPullParserError(napi_env env, napi_callback_info info)
{
napi_value thisVar = nullptr;
napi_value result = nullptr;
NAPI_CALL(env, napi_get_cb_info(env, info, nullptr, nullptr, &thisVar, nullptr));
XmlPullParser *object = nullptr;
NAPI_CALL(env, napi_unwrap(env, thisVar, reinterpret_cast<void**>(&object)));
std::string temp = object->XmlPullParserError();
size_t templen = temp.size();
NAPI_CALL(env, napi_create_string_utf8(env, temp.c_str(), templen, &result));
return result;
}
static napi_value XmlPullParserInit(napi_env env, napi_value exports)
{
const char *xmlPullParserClass = "XmlPullParser";
napi_value xmlClass = nullptr;
static napi_property_descriptor xmlDesc[] = {
DECLARE_NAPI_FUNCTION("parse", Parse),
DECLARE_NAPI_FUNCTION("XmlPullParserError", XmlPullParserError)
};
NAPI_CALL(env, napi_define_class(env, xmlPullParserClass, strlen(xmlPullParserClass),
XmlPullParserConstructor, nullptr, sizeof(xmlDesc) / sizeof(xmlDesc[0]),
xmlDesc, &xmlClass));
static napi_property_descriptor desc[] = {
DECLARE_NAPI_PROPERTY("XmlPullParser", xmlClass)
};
napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
return exports;
};
static napi_value Init(napi_env env, napi_value exports)
{
XmlSerializerInit(env, exports);
XmlPullParserInit(env, exports);
return exports;
}
extern "C"
__attribute__((visibility("default"))) void NAPI_xml_GetJSCode(const char **buf, int *bufLen)
{
if (buf != nullptr) {
*buf = _binary_js_xml_js_start;
}
if (bufLen != nullptr) {
*bufLen = _binary_js_xml_js_end - _binary_js_xml_js_start;
}
}
extern "C"
__attribute__((visibility("default"))) void NAPI_xml_GetABCCode(const char** buf, int* buflen)
{
if (buf != nullptr) {
*buf = _binary_xml_abc_start;
}
if (buflen != nullptr) {
*buflen = _binary_xml_abc_end - _binary_xml_abc_start;
}
}
static napi_module xmlModule = {
.nm_version = 1,
.nm_flags = 0,
.nm_filename = nullptr,
.nm_register_func = Init,
.nm_modname = "xml",
.nm_priv = ((void*)0),
.reserved = {0},
};
extern "C" __attribute__((constructor)) void RegisterModule()
{
napi_module_register(&xmlModule);
}
} // namespace