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ResourceCompiler/CfgFile.h

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+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   cfgfile.h
+//  Version:     v1.00
+//  Created:     4/11/2002 by Timur.
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History: 03/14/2003 MM added save support
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __cfgfile_h__
+#define __cfgfile_h__
+#pragma once
+
+#include "ICfgFile.h"						// ICfgFile
+
+class Config;
+
+/** Configuration file class.
+		Use format similar to windows .ini files.
+*/
+class CfgFile :public ICfgFile
+{
+public:
+	// Config file entry structure, filled by readSection method.
+	struct Entry 
+	{
+		CString			key;			//!< keys (for comments this is "")
+		CString			value;		//!< values and comments (with leading ; or //)
+
+		bool IsComment( void ) const
+		{
+			const char *pBegin=value.GetString();
+			while(*pBegin==' ' || *pBegin=='\t')pBegin++;
+
+			// "//" (comment)
+			if(pBegin[0]=='/' && pBegin[1]=='/')return(true);
+
+			// ';' (comment)
+			if(pBegin[0] == ';')return(true);
+
+			// emptyline (comment)
+			if(pBegin[0]==0)return(true);
+
+			return(false);
+		}
+	};
+
+	//! constructor
+	CfgFile();
+
+	//! destructor
+	~CfgFile();
+
+	//!
+	void SetFileName( const CString &fileName );
+
+	//! Automatically load new config file.
+	explicit CfgFile( const CString &fileName );
+
+	//! Load config from memory buffer.
+	CfgFile( const char *buf, int bufSize );
+
+	//////////////////////////////////////////////////////////////////////////
+
+	// interface ICfgFile - described in ICfgFile.h
+	
+	virtual void Release() { delete(this); }
+	virtual bool Load( const CString &fileName );
+	virtual bool Save( void );
+	virtual void UpdateOrCreateEntry( const char *inszSection, const char *inszKey, const char *inszValue );
+
+	//////////////////////////////////////////////////////////////////////////
+	//! Copy section keys to config.
+	//! @return true if success, false if section not found.
+	bool SetConfig( const char *section, IConfig *config );
+
+private:
+
+	void	LoadBuf( const char *buf,size_t bufSize );
+
+	struct Section
+	{
+		CString						name;						//!< Section name. (the first one has the name "" and is used if no section was specified)
+		std::list<Entry>	entries;				//!< List of entries.
+	};
+
+	// Private methods.
+
+	//! @return pointer to the section with the given name or pointer to the first unnamed section ""
+	Section* FindSection( const CString &section );
+
+	// Private fields.
+	CString							m_fileName;			//!< Configuration file name.
+	int									m_modified;			//!< Set to true if config file been modified.
+
+	std::vector<Section>	m_sections;			//!< List of sections in config file. (the first one has the name "" and is used if no section was specified)
+
+public:
+
+	const char *GetSectionName(unsigned int n)
+	{
+		if(n>=m_sections.size())
+			return(NULL);
+		
+		return(m_sections[n].name.GetString());
+	};
+	
+	int Find(const char *sectionname)
+	{
+		for(std::vector<Section>::iterator it = m_sections.begin(); it!=m_sections.end(); ++it)
+		{
+			if (stricmp(it->name.GetString(), sectionname) == 0) return it-m_sections.begin();
+		};
+		return 0;
+	};
+};
+
+
+#endif // __cfgfile_h__