#include "stdafx.h"
#include "CFileLoader.h"

#include "IFileSystem.h"


CFileLoader::~CFileLoader()
{
	this->FreeFile();
}


bool CFileLoader::LoadFile(string16 argFilename)
{
	m_File = m_Engine->get_FileSystem().Open(argFilename);
	if (m_File != NULL)
	{
		std::stringstream dataStream;
		dataStream.write(m_File->get_Buffer(), m_File->get_BufferLength());

		while (!dataStream.eof())
		{
			m_CurrentLineOfCode++;

			std::string currentReadLine;
			std::getline(dataStream, currentReadLine);
			if (currentReadLine.empty())
				continue;

			std::vector<std::string> token = this->SplitString(currentReadLine);
			if (token.empty())
				continue;

			m_CurrentSection = token[0];
			if (!this->OnSectionBegin(m_CurrentSection, token))
			{
				this->FreeFile();
				return false;
			}

			if (token[token.size() - 1] == "{{")
				m_EndSectionMarker = "}}";
			else
				m_EndSectionMarker = "}";
			
			while (!dataStream.eof())
			{
				m_CurrentLineOfCode++;
				std::getline(dataStream, currentReadLine);
				if (currentReadLine.empty())
					continue;

				std::vector<std::string> token = this->SplitString(currentReadLine, ", \t()\r");
				if (token.empty())
					continue;

				if (token[0] == m_EndSectionMarker)
				{
					if (!this->OnSectionEnd(m_CurrentSection))
					{
						this->FreeFile();
						return false;
					}
					m_CurrentSection = "";
					break;
				}

				if (!this->OnContentReceived(token, currentReadLine))
				{
					this->FreeFile();
					return false;
				}
			}
		}

		this->FreeFile();
		return true;
	}
	this->FreeFile();
	return false;
}


void CFileLoader::FreeFile()
{
	if (m_File != NULL)
		delete m_File;
	m_File = NULL;
}