Move Arch to irc module.

svn path=/trunk/; revision=13063

irc/ArchBlackmann/SplitJoin.cpp

@@ -0,0 +1,96 @@
+// SplitJoin.cpp
+//
+// This code is copyright 2003-2004 Royce Mitchell III
+// and released under the BSD & LGPL licenses
+
+#ifdef _MSC_VER
+#pragma warning ( disable : 4786 ) // MSVC6 can't handle too-long template names
+#endif//_MSC_VER
+
+//#include <sstream>
+
+#include "SplitJoin.h"
+
+#include <string.h>
+
+using std::string;
+using std::vector;
+//using std::stringstream;
+
+static const char* quotes = "\"\'";
+
+bool Split ( vector<string>& vec, const char* csv, char sep, bool merge )
+{
+	string scsv ( csv );
+	char* col = &scsv[0];
+	vec.resize ( 0 );
+	for ( ;; )
+	{
+		char* p = col;
+		while ( isspace(*p) && *p != sep )
+			p++;
+		char quote = 0;
+		if ( strchr ( quotes, *p ) )
+			quote = *p++;
+		while ( *p && (*p != sep || quote) )
+		{
+			if ( *p++ == quote )
+				break;
+		}
+
+		while ( isspace(*p) && *p != sep )
+			p++;
+
+		if ( *p && *p != sep )
+			return false;
+
+		string scol ( col, p-col );
+
+		//quote = scol[0];
+		if ( quote )
+		{
+			if ( scol[scol.size()-1] == quote )
+				scol = string ( &scol[1], scol.size()-2 );
+		}
+
+		if ( scol.length() || !merge )
+			vec.push_back ( scol );
+
+		if ( !*p )
+			break;
+
+		col = p + 1;
+	}
+	return true;
+}
+
+bool Join ( string& csv, vector<string>& vec, char sep )
+{
+	csv.resize(0);
+	for ( int i = 0; i < vec.size(); i++ )
+	{
+		if ( i )
+			csv += sep;
+		string& s = vec[i];
+		if ( strchr ( s.c_str(), sep ) )
+		{
+			if ( strchr ( s.c_str(), '\"' ) )
+			{
+				if ( strchr ( s.c_str(), '\'' ) )
+					return false; // the sep, " and ' are all in the string, can't build valid output
+				csv += '\'';
+				csv += s;
+				csv += '\'';
+			}
+			else
+			{
+				csv += '\"';
+				csv += s;
+				csv += '\"';
+			}
+		}
+		else
+			csv += s;
+	}
+	return true;
+}