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drogon/drogon_ctl/create_controller.cc

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/**
*
* @file
* @author An Tao
* @section LICENSE
*
* Copyright 2018, An Tao. All rights reserved.
* Use of this source code is governed by a MIT license
* that can be found in the License file.
*
* @section DESCRIPTION
*
*/
#include "create_controller.h"
#include "cmd.h"
#include <iostream>
#include <fstream>
#include <regex>
using namespace drogon_ctl;
void create_controller::handleCommand(std::vector<std::string> &parameters)
{
//std::cout<<"create!"<<std::endl;
ControllerType type=Simple;
for(auto iter=parameters.begin();iter!=parameters.end();iter++)
{
if((*iter)[0]=='-')
{
if(*iter=="-s"||(*iter=="--simple"))
{
parameters.erase(iter);
break;
}
else if(*iter=="-a"||*iter=="--api")
{
type=API;
parameters.erase(iter);
break;
}
else if(*iter=="-w"||*iter=="--websocket")
{
type=WebSocket;
parameters.erase(iter);
break;
}
else if(*iter=="-n"||*iter=="--namespace")
{
if(type==Simple)
break;
else
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
else
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
}
if(type==Simple)
{
std::string namespaceName;
for(auto iter=parameters.begin();iter!=parameters.end();iter++)
{
if((*iter)[0]=='-')
{
if(*iter=="-n"||*iter=="--namespace")
{
iter=parameters.erase(iter);
if(iter!=parameters.end())
{
namespaceName=*iter;
iter=parameters.erase(iter);
break;
}
else
{
std::cout<<"please enter namespace"<<std::endl;
return;
}
}else
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
}
createSimpleController(parameters,namespaceName);
}
else if(type==WebSocket)
{
std::string namespaceName;
for(auto iter=parameters.begin();iter!=parameters.end();iter++)
{
if((*iter)[0]=='-')
{
if(*iter=="-n"||*iter=="--namespace")
{
iter=parameters.erase(iter);
if(iter!=parameters.end())
{
namespaceName=*iter;
iter=parameters.erase(iter);
break;
}
else
{
std::cout<<"please enter namespace"<<std::endl;
return;
}
}else
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
}
createWebsockController(parameters,namespaceName);
}
else
createApiController(parameters);
}
void create_controller::createSimpleController(std::vector<std::string> &ctlNames,const std::string &namespaceName)
{
for(auto iter=ctlNames.begin();iter!=ctlNames.end();iter++)
{
if ((*iter)[0] == '-')
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
for(auto ctlName:ctlNames)
{
createSimpleController(ctlName,namespaceName);
}
}
void create_controller::createSimpleController(const std::string &ctlName,const std::string &namespaceName)
{
std::cout<<"create simple controller:"<<namespaceName<<(namespaceName==""?"":"::")<<ctlName<<std::endl;
std::string headFileName=ctlName+".h";
std::string sourceFilename=ctlName+".cc";
std::ofstream oHeadFile(headFileName.c_str(),std::ofstream::out);
std::ofstream oSourceFile(sourceFilename.c_str(),std::ofstream::out);
if(!oHeadFile||!oSourceFile)
return;
newSimpleControllerHeaderFile(oHeadFile,ctlName,namespaceName);
newSimpleControllerSourceFile(oSourceFile,ctlName,namespaceName);
}
void create_controller::createWebsockController(std::vector<std::string> &ctlNames,const std::string &namespaceName)
{
for(auto iter=ctlNames.begin();iter!=ctlNames.end();iter++)
{
if ((*iter)[0] == '-')
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
for(auto ctlName:ctlNames)
{
createWebsockController(ctlName,namespaceName);
}
}
void create_controller::createWebsockController(const std::string &ctlName,const std::string &namespaceName)
{
std::cout<<"create websocket controller:"<<namespaceName<<(namespaceName==""?"":"::")<<ctlName<<std::endl;
std::string headFileName=ctlName+".h";
std::string sourceFilename=ctlName+".cc";
std::ofstream oHeadFile(headFileName.c_str(),std::ofstream::out);
std::ofstream oSourceFile(sourceFilename.c_str(),std::ofstream::out);
if(!oHeadFile||!oSourceFile)
return;
newWebsockControllerHeaderFile(oHeadFile,ctlName,namespaceName);
newWebsockControllerSourceFile(oSourceFile,ctlName,namespaceName);
}
void create_controller::newSimpleControllerHeaderFile(std::ofstream &file,const std::string &ctlName,const std::string &namespaceName)
{
file<<"#pragma once\n";
file<<"#include <drogon/HttpSimpleController.h>\n";
file<<"using namespace drogon;\n";
std::string indent="";
auto namespace_name=namespaceName;
if(namespace_name!="") {
auto pos=namespace_name.find("::");
while(pos!=std::string::npos)
{
auto namespaceI=namespace_name.substr(0,pos);
namespace_name=namespace_name.substr(pos+2);
file<<indent<<"namespace "<<namespaceI<<"\n";
file<<indent<<"{\n";
indent.append(" ");
pos=namespace_name.find("::");
}
if(!namespace_name.empty())
{
file<<indent<<"namespace "<<namespace_name<<"\n";
file<<indent<<"{\n";
indent.append(" ");
}
}
file<<indent<<"class "<<ctlName<<":public drogon::HttpSimpleController<"<<ctlName<<">\n";
file<<indent<<"{\n";
file<<indent<<"public:\n";
//TestController(){}
file<<indent<<" virtual void asyncHandleHttpRequest(const HttpRequestPtr& req,const std::function<void (const HttpResponsePtr &)> & callback)override;\n";
file<<indent<<" PATH_LIST_BEGIN\n";
file<<indent<<" //list path definitions here;\n";
file<<indent<<" //PATH_ADD(\"/path\",\"filter1\",\"filter2\",...);\n";
file<<indent<<" PATH_LIST_END\n";
file<<indent<<"};\n";
if(indent=="")
return;
do {
indent.resize(indent.length()-4);
file<<indent<<"}\n";
} while(indent!="");
}
void create_controller::newSimpleControllerSourceFile(std::ofstream &file,const std::string &ctlName,const std::string &namespaceName)
{
file<<"#include \""<<ctlName<<".h\"\n";
if(namespaceName!="")
file<<"using namespace "<<namespaceName<<";\n";
file<<"void "<<ctlName<<"::asyncHandleHttpRequest(const HttpRequestPtr& req,const std::function<void (const HttpResponsePtr &)> & callback)\n";
file<<"{\n";
file<<" //write your application logic here\n";
file<<"}";
}
void create_controller::newWebsockControllerHeaderFile(std::ofstream &file,const std::string &ctlName,const std::string &namespaceName)
{
file<<"#pragma once\n";
file<<"#include <drogon/WebSocketController.h>\n";
file<<"using namespace drogon;\n";
std::string indent="";
auto namespace_name=namespaceName;
if(namespace_name!="") {
auto pos=namespace_name.find("::");
while(pos!=std::string::npos)
{
auto namespaceI=namespace_name.substr(0,pos);
namespace_name=namespace_name.substr(pos+2);
file<<indent<<"namespace "<<namespaceI<<"\n";
file<<indent<<"{\n";
indent.append(" ");
pos=namespace_name.find("::");
}
if(!namespace_name.empty())
{
file<<indent<<"namespace "<<namespace_name<<"\n";
file<<indent<<"{\n";
indent.append(" ");
}
}
file<<indent<<"class "<<ctlName<<":public drogon::WebSocketController<"<<ctlName<<">\n";
file<<indent<<"{\n";
file<<indent<<"public:\n";
//TestController(){}
// virtual void handleNewMessage(const WebSocketConnectionPtr&,
// trantor::MsgBuffer*)=0;
// //on new connection or after disconnect
// virtual void handleConnection(const WebSocketConnectionPtr&)=0;
file<<indent<<" virtual void handleNewMessage(const WebSocketConnectionPtr&,\n";
file<<indent<<" std::string &&)override;\n";
file<<indent<<" virtual void handleNewConnection(const HttpRequestPtr &,\n";
file<<indent<<" const WebSocketConnectionPtr&)override;\n";
file<<indent<<" virtual void handleConnectionClosed(const WebSocketConnectionPtr&)override;\n";
file<<indent<<" WS_PATH_LIST_BEGIN\n";
file<<indent<<" //list path definitions here;\n";
file<<indent<<" //WS_PATH_ADD(\"/path\",\"filter1\",\"filter2\",...);\n";
file<<indent<<" WS_PATH_LIST_END\n";
file<<indent<<"};\n";
if(indent=="")
return;
do {
indent.resize(indent.length()-4);
file<<indent<<"}\n";
} while(indent!="");
}
void create_controller::newWebsockControllerSourceFile(std::ofstream &file,const std::string &ctlName,const std::string &namespaceName)
{
file<<"#include \""<<ctlName<<".h\"\n";
if(namespaceName!="")
file<<"using namespace "<<namespaceName<<";\n";
file<<"void "<<ctlName<<"::handleNewMessage(const WebSocketConnectionPtr& wsConnPtr,std::string &&message)\n";
file<<"{\n";
file<<" //write your application logic here\n";
file<<"}\n";
file<<"void "<<ctlName<<"::handleNewConnection(const HttpRequestPtr &req,const WebSocketConnectionPtr& wsConnPtr)\n";
file<<"{\n";
file<<" //write your application logic here\n";
file<<"}\n";
file<<"void "<<ctlName<<"::handleConnectionClosed(const WebSocketConnectionPtr& wsConnPtr)\n";
file<<"{\n";
file<<" //write your application logic here\n";
file<<"}\n";
}
void create_controller::createApiController(std::vector<std::string> &apiClasses)
{
for(auto iter=apiClasses.begin();iter!=apiClasses.end();iter++)
{
if ((*iter)[0] == '-')
{
std::cout<<ARGS_ERROR_STR<<std::endl;
return;
}
}
for(auto className:apiClasses)
{
createApiController(className);
}
}
void create_controller::createApiController(const std::string &className)
{
std::regex regex("::");
std::string ctlName=std::regex_replace(className,regex,std::string("_"));
std::cout<<"create api controller:"<<className<<std::endl;
std::string headFileName=ctlName+".h";
std::string sourceFilename=ctlName+".cc";
std::ofstream oHeadFile(headFileName.c_str(),std::ofstream::out);
std::ofstream oSourceFile(sourceFilename.c_str(),std::ofstream::out);
if(!oHeadFile||!oSourceFile)
return;
newApiControllerHeaderFile(oHeadFile,className);
newApiControllerSourceFile(oSourceFile,className,ctlName);
}
void create_controller::newApiControllerHeaderFile(std::ofstream &file,const std::string &className)
{
file<<"#pragma once\n";
file<<"#include <drogon/HttpApiController.h>\n";
file<<"using namespace drogon;\n";
std::string indent="";
std::string class_name=className;
std::string namepace_path="/";
auto pos=class_name.find("::");
while(pos!=std::string::npos)
{
auto namespaceName=class_name.substr(0,pos);
class_name=class_name.substr(pos+2);
file<<indent<<"namespace "<<namespaceName<<"\n";
namepace_path.append(namespaceName).append("/");
file<<indent<<"{\n";
indent.append(" ");
pos=class_name.find("::");
}
file<<indent<<"class "<<class_name<<":public drogon::HttpApiController<"<<class_name<<">\n";
file<<indent<<"{\n";
file<<indent<<"public:\n";
indent.append(" ");
file<<indent<<"METHOD_LIST_BEGIN\n";
file<<indent<<"//use METHOD_ADD to add your custom processing function here;\n";
file<<indent<<"//METHOD_ADD("<<class_name<<"::get,\"/get/{2}/{1}\",\"drogon::GetFilter\");"
"//path will be "<<namepace_path<<class_name<<"/get/{arg2}/{arg1}\n";
file<<indent<<"//METHOD_ADD("<<class_name<<"::your_method_name,\"/{1}/{2}/list\",\"drogon::GetFilter\");"
"//path will be "<<namepace_path<<class_name<<"/{arg1}/{arg2}/list\n";
file<<indent<<"\n";
file<<indent<<"METHOD_LIST_END\n";
file<<indent<<"//your declaration of processing function maybe like this:\n";
file<<indent<<"//void get(const HttpRequestPtr& req,"
"const std::function<void (const HttpResponsePtr &)>&callback,int p1,std::string p2);\n";
file<<indent<<"//void your_method_name(const HttpRequestPtr& req,"
"const std::function<void (const HttpResponsePtr &)>&callback,double p1,int p2) const;\n";
indent.resize(indent.length()-4);
file<<indent<<"};\n";
if(indent=="")
return;
do {
indent.resize(indent.length()-4);
file<<indent<<"}\n";
} while(indent!="");
}
void create_controller::newApiControllerSourceFile(std::ofstream &file,const std::string &className,const std::string &filename)
{
file<<"#include \""<<filename<<".h\"\n";
auto pos=className.rfind("::");
auto class_name=className;
if(pos!=std::string::npos)
{
auto namespacename=className.substr(0,pos);
file<<"using namespace "<<namespacename<<";\n";
class_name=className.substr(pos+2);
}
file<<"//add definition of your processing function here\n";
}
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