template.cpp

来自「J-Alice是一个用C++实现的Ailcebot的克隆。它可以做为一个mini」· C++ 代码 · 共 55 行

/**
 * Before using Template, even though slower, I think used less
 * memory without this class .. can't remember.
 */
#include "Template.h"

#include "Kernel.h"

//	Can't do the auto-reloading from inside the Template function .. it's just
//	plain wrong!
//	Need a static function to reload the AIML (if required), then forward the
//	request on to the actual Template .. somehow :P

vector<string> Template::filenames;
vector<long> Template::filesizes;

string Template::fetch() {
	//	Get the filename ..
	const char *filename = Template::getFilename(filenameIx);
	//	When have <template/>
	if (end == start) {
		return "";
	}
	int length = end - start;
	ifstream fin(filename, ios::in | ios::binary);
	char *input = new char[length+1];
	if(!fin.good())
		return "Error reading file";
	fin.seekg(start);
	fin.read(input, length);
	fin.close();
	input[length] = '\0';
	string ret(input);
	delete [] input;
	return ret;
}

const char *Template::getFilename(int index) {
	return filenames[index].c_str();
}

void Template::reloadFile(int index) {
	string fn = filenames[index];
	long fs = filesizes[index];
	ifstream fin;
	fin.open(fn.c_str(), ios::in | ios::binary);
	fin.seekg(0, ios::end);
	int s = fin.tellg();
	if (s != fs) {
		//	Reload .. return true
		filesizes[index] = s;
		Kernel::load(fn);
	}
}