282 lines
8.5 KiB
C++
Executable File
282 lines
8.5 KiB
C++
Executable File
/**
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*
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* @file
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* @author An Tao
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* @section LICENSE
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*
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* Copyright 2018, An Tao. All rights reserved.
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* Use of this source code is governed by a MIT license
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* that can be found in the License file.
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*
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* @section DESCRIPTION
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*
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*/
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#include "create_view.h"
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#include "cmd.h"
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <algorithm>
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static const std::string cxx_include="<%inc";
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static const std::string cxx_end="%>";
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static const std::string cxx_lang="<%c++";
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static const std::string cxx_view_data="@@";
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static const std::string cxx_output="$$";
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using namespace drogon_ctl;
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static std::string& replace_all(std::string& str,const std::string& old_value,const std::string& new_value)
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{
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std::string::size_type pos(0);
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while(true) {
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//std::cout<<str<<endl;
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//std::cout<<"pos="<<pos<<endl;
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if( (pos=str.find(old_value,pos))!=std::string::npos ) {
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str = str.replace(pos, old_value.length(), new_value);
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pos += new_value.length()-old_value.length();
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pos++;
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}
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else
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break;
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}
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return str;
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}
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static void parseCxxLine(std::ofstream &oSrcFile,const std::string& line,const std::string& streamName,const std::string& viewDataName)
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{
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if(line.length()>0)
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{ std::string tmp=line;
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replace_all(tmp,cxx_output,streamName);
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replace_all(tmp,cxx_view_data,viewDataName);
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oSrcFile<<tmp<<"\n";
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}
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}
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static void parseLine(std::ofstream &oSrcFile,std::string& line,const std::string& streamName,const std::string& viewDataName,int &cxx_flag,int returnFlag=1)
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{
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std::string::size_type pos(0);
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if(line.length()==0)
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return;
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if(cxx_flag==0)
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{
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//find cxx lang begin
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if((pos=line.find(cxx_lang))!=std::string::npos)
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{
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std::string oldLine=line.substr(0,pos);
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parseLine(oSrcFile,oldLine,streamName,viewDataName,cxx_flag,0);
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std::string newLine=line.substr(pos+cxx_lang.length());
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cxx_flag=1;
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parseLine(oSrcFile,newLine,streamName,viewDataName,cxx_flag,returnFlag);
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}
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else
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{
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if(line.length()>0)
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oSrcFile<<"\t"<<streamName<<" << \""<<replace_all(line,"\"","\\\"");
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if(returnFlag)
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oSrcFile<<"\\n\";\n";
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else
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oSrcFile<<"\";\n";
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}
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}
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else
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{
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if((pos=line.find(cxx_end))!=std::string::npos)
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{
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std::string newLine=line.substr(0,pos);
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parseCxxLine(oSrcFile,newLine,streamName,viewDataName);
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std::string oldLine=line.substr(pos+cxx_end.length());
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cxx_flag=0;
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parseLine(oSrcFile,oldLine,streamName,viewDataName,cxx_flag,returnFlag);
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}
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else
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{
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parseCxxLine(oSrcFile,line,streamName,viewDataName);
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}
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}
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}
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void create_view::handleCommand(std::vector<std::string> ¶meters)
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{
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for(auto iter=parameters.begin();iter!=parameters.end();iter++)
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{
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auto file=*iter;
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if(file=="-o"||file=="--output")
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{
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iter=parameters.erase(iter);
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if(iter!=parameters.end())
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{
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_outputPath=*iter;
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iter=parameters.erase(iter);
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}
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break;
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}
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else if(file[0]=='-')
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{
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std::cout<<ARGS_ERROR_STR<<std::endl;
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return;
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}
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}
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createViewFiles(parameters);
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}
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void create_view::createViewFiles(std::vector<std::string> &cspFileNames)
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{
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for(auto file:cspFileNames)
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{
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std::cout<<"create view:"<<file<<std::endl;
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createViewFile(file);
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}
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}
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int create_view::createViewFile(const std::string &script_filename)
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{
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std::cout<<"create HttpView Class file by "<<script_filename<<std::endl;
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std::ifstream infile(script_filename.c_str(),std::ifstream::in);
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if(infile)
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{
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std::string::size_type pos = script_filename.rfind(".");
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if(pos!=std::string::npos)
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{
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std::string className=script_filename.substr(0,pos);
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if((pos=className.rfind("/"))!=std::string::npos)
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{
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className=className.substr(pos+1);
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}
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std::cout<<"className="<<className<<std::endl;
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std::string headFileName=_outputPath+"/"+className+".h";
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std::string sourceFilename=_outputPath+"/"+className+".cc";
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std::ofstream oHeadFile(headFileName.c_str(),std::ofstream::out);
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std::ofstream oSourceFile(sourceFilename.c_str(),std::ofstream::out);
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if(!oHeadFile||!oSourceFile)
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return -1;
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newViewHeaderFile(oHeadFile,className);
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newViewSourceFile(oSourceFile,className,infile);
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}
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else
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return -1;
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}
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else
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{
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std::cerr<<"can't open file "<<script_filename<<std::endl;
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return -1;
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}
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return 0;
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}
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void create_view::newViewHeaderFile(std::ofstream &file,const std::string &className)
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{
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file<<"//this file is generated by program automatically,don't modify it!\n";
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file<<"#include <drogon/HttpView.h>\n";
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file<<"using namespace drogon;\n";
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file<<"class "<<className<<":public HttpView<"<<className<<">\n";
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file<<"{\npublic:\n\t"<<className<<"(){};\n\tvirtual ~"<<className<<"(){};\nprotected:\n\t"
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"virtual HttpResponsePtr genHttpResponse(const HttpViewData&) override;\n};";
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}
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void create_view::newViewSourceFile(std::ofstream &file,const std::string &className,std::ifstream &infile)
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{
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file << "//this file is generated by program automatically,don't modify it!\n";
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file << "#include \"" << className << ".h\"\n";
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file <<"#include <string>\n";
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file <<"#include <sstream>\n";
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file <<"#include <map>\n";
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file <<"#include <vector>\n";
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file <<"#include <set>\n";
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file <<"#include <iostream>\n";
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file <<"using namespace std;\n";
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// file <<"void __attribute__((constructor)) startup()\n";
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// file <<"{std::cout<<\"dynamic lib start to load!\"<<std::endl;}\n";
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// file <<"void __attribute__((destructor)) shutdown()\n";
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// file <<"{std::cout<<\"dynamic lib start to unload!\"<<std::endl;}\n";
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std::string buffer;
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char line[8192];
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int import_flag=0;
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while(infile.getline(line,sizeof(line)))
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{
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buffer=line;
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std::string::size_type pos(0);
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if(!import_flag)
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{
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std::string lowerBuffer=buffer;
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std::transform(lowerBuffer.begin(), lowerBuffer.end(), lowerBuffer.begin(), ::tolower);
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if((pos=lowerBuffer.find(cxx_include))!=std::string::npos)
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{
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//std::cout<<"haha find it!"<<endl;
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std::string newLine=buffer.substr(pos+cxx_include.length());
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import_flag=1;
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if((pos=newLine.find(cxx_end))!=std::string::npos)
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{
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newLine=newLine.substr(0,pos);
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file<<newLine<<"\n";
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break;
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}else{
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file<<newLine<<"\n";
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}
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}
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}
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else
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{
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//std::cout<<buffer<<endl;
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if((pos=buffer.find(cxx_end))!=std::string::npos)
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{
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std::string newLine=buffer.substr(0,pos);
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file<<newLine<<"\n";
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break;
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}
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else
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{
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//std::cout<<"to source file"<<buffer<<endl;
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file<<buffer<<"\n";
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}
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}
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}
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//std::cout<<"import_flag="<<import_flag<<std::endl;
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if(import_flag==0)
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{
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infile.clear();
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infile.seekg(0,std::ifstream::beg);
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}
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//std::cout<<"file pos:"<<infile.tellg()<<std::endl;
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std::string viewDataName=className+"_view_data";
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file <<"HttpResponsePtr "<<className<<"::genHttpResponse(const HttpViewData& "<<viewDataName<<")\n{\n";
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//std::string bodyName=className+"_bodystr";
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std::string streamName=className+"_tmp_stream";
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//oSrcFile <<"\tstd::string "<<bodyName<<";\n";
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file<<"\tstd::stringstream "<<streamName<<";\n";
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int cxx_flag=0;
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while(infile.getline(line,sizeof(line)))
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{
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buffer=line;
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parseLine(file,buffer,streamName,viewDataName,cxx_flag);
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}
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file<<"\tauto res = HttpResponse::newHttpResponse();\n";
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file<<"\tres->setStatusCode(HttpResponse::k200Ok);\n";
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file<<"#ifdef CONTENT_TYPE\n";
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file<<"\tres->setContentTypeCode(CONTENT_TYPE);\n";
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file<<"#else\n";
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file<<"\tres->setContentTypeCode(CT_TEXT_HTML);\n";
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file<<"#endif\n";
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file<<"\tres->setBody("<<streamName<<".str().c_str());\n\treturn res;\n}\n";
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}
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