Vars.h

// BatchResourceUpdater: program for automated reading, writing, and removing resources from pe-files
// Copyright (C) 2012  Jeffrey Bush  jeff@coderforlife.com
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// Save variables, and process strings with %# (e.g. %1) replacing variables

#pragma once

ref class Vars {
	int count;
	array<System::Collections::Generic::List<System::String^>^> ^vars;
	// Prepares strings with % symbols, converts all %# (where # is 0 to 9) to non-printing characters, and %% to %
	// Note: a particular %# will not be converted if there are no variables set for that index
	System::Collections::Generic::List<int> ^PrepString(System::String ^%s);
public:
	Vars();
	~Vars();

	// Reads an XML node "<Vars index="#">" and loads the values for a particular variable index
	void Set(System::Xml::XmlElement ^node);
	
	// Expand the variables in a src/dest pair, returning src / list of dest pairs
	// Notes:
	//   1) If a variable exists in the src and all dests, then it is expanded simultaneously in all, creating new pairs of src / dest
	//   2) If a variable is in src and not in all dests, it is only allowed to have a single value 
	System::Collections::Generic::Dictionary<System::String^, System::Collections::Generic::List<System::String^>^>^
		Vars::Expand(System::String^ src, System::Collections::Generic::List<System::String^> ^dests);

	// Expand the variables in a single string, returning a list of expanded strings
	System::Collections::Generic::List<System::String^> ^Vars::Expand(System::String^ name);
};