From 8a1b79718791c957542f66a93b4ceb9fe9acdedb Mon Sep 17 00:00:00 2001
From: imaginos <imaginos@726aef4b-f618-498e-8847-2d620e286838>
Date: Sun, 15 May 2005 03:05:08 +0000
Subject: [PATCH] added MCString, including some filtering capabilities and
 disk writing

git-svn-id: https://znc.svn.sourceforge.net/svnroot/znc/trunk@298 726aef4b-f618-498e-8847-2d620e286838
---
 String.cpp | 117 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 String.h   |  25 ++++++++++++
 2 files changed, 142 insertions(+)

diff --git a/String.cpp b/String.cpp
index 759e441a..c2689298 100644
--- a/String.cpp
+++ b/String.cpp
@@ -1,5 +1,6 @@
 #include <string.h>
 #include "String.h"
+#include "FileUtils.h"
 
 int CString::CaseCmp(const CString& s) const {
 	return strcasecmp(c_str(), s.c_str());
@@ -227,3 +228,119 @@ bool CString::RightChomp(unsigned int uLen) {
 
 	return bRet;
 }
+
+//////////////// MCString ////////////////
+int MCString::WriteToDisk( const CString & sPath, mode_t iMode )
+{
+	CFile cFile( sPath );
+	if ( !cFile.Open( O_WRONLY|O_CREAT|O_TRUNC, iMode ) )
+		return( MCS_EOPEN );
+
+	for( MCString::iterator it = this->begin(); it != this->end(); it++ )
+	{
+		CString sKey = it->first;
+		CString sValue = it->second;
+		if ( !WriteFilter( sKey, sValue ) )
+			return( MCS_EWRITEFIL );
+
+		if ( sKey.empty() )
+			continue;
+
+		if ( cFile.Write( Encode( sKey ) + " " +  Encode( sValue ) + "\n" ) <= 0 )
+			return( MCS_EWRITE );
+	}
+
+	cFile.Close();
+
+	return( MCS_SUCCESS );
+}
+
+int MCString::ReadFromDisk( const CString & sPath, mode_t iMode )
+{
+	CFile cFile( sPath );
+	if ( !cFile.Open( O_RDONLY|O_CREAT, iMode ) )
+		return( MCS_EOPEN );
+
+	CString sBuffer;
+
+	while( cFile.ReadLine( sBuffer ) )
+	{
+		sBuffer.Trim();
+		CString sKey = sBuffer.Token( 0 );
+		CString sValue = sBuffer.Token( 1 );
+		Decode( sKey );
+		Decode( sValue );
+		
+		if ( !ReadFilter( sKey, sValue ) )
+			return( MCS_EREADFIL );
+
+		(*this)[sKey] = sValue;
+	}
+	cFile.Close();
+	
+	return( MCS_SUCCESS );
+}
+
+
+static const char hexdigits[] = "0123456789abcdef";
+
+CString & MCString::Encode( CString & sValue )
+{
+	CString sTmp;
+	for( CString::iterator it = sValue.begin(); it != sValue.end(); it++ )
+	{
+		if ( isalnum( *it ) )	
+			sTmp += *it;
+		else
+		{
+			sTmp += "%";
+			sTmp += hexdigits[*it >> 4];
+			sTmp += hexdigits[*it & 0xf];
+			sTmp += ";";
+		}
+	}
+	sValue = sTmp;
+	return( sValue );
+}
+
+CString & MCString::Decode( CString & sValue )
+{
+	const char *pTmp = sValue.c_str();
+	char *endptr;
+	CString sTmp;
+	while( *pTmp )
+	{
+		if ( *pTmp != '%' )
+			sTmp += *pTmp++;
+		else
+		{
+			char ch = (char )strtol( ((const char *)pTmp + 1), &endptr, 16 );
+			if ( *endptr == ';' )
+			{
+				sTmp += ch;
+				pTmp = ++endptr;
+			}
+			else
+			{
+				sTmp += *pTmp++;
+			}
+		}
+	}
+
+	sValue = sTmp;
+	return( sValue );
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/String.h b/String.h
index 467a7b29..dfca389e 100644
--- a/String.h
+++ b/String.h
@@ -3,6 +3,7 @@
 
 #include <string>
 #include <sstream>
+#include <map>
 
 using std::string;
 using std::stringstream;
@@ -61,5 +62,29 @@ private:
 protected:
 };
 
+class MCString : public std::map< CString, CString > {
+public:
+	MCString() : std::map< CString, CString >() {}
+	virtual ~MCString() {}
+
+	enum
+	{
+		MCS_SUCCESS 	= 0,
+		MCS_EOPEN 		= 1,
+		MCS_EWRITE 		= 2,
+		MCS_EWRITEFIL 	= 3,
+		MCS_EREADFIL	= 4
+	};
+
+	int WriteToDisk( const CString & sPath, mode_t iMode = 0644 );
+	int ReadFromDisk( const CString & sPath, mode_t iMode = 0644 );
+
+	virtual bool WriteFilter( CString & sKey, CString & sValue ) { return( true ); }
+	virtual bool ReadFilter( CString & sKey, CString & sValue ) { return( true ); }
+
+	//! make them parse safe, right now using hex encoding on anything !isalnum
+	virtual CString & Encode( CString & sValue );
+	virtual CString & Decode( CString & sValue );
+};
 
 #endif // !X_STRING_H