// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

#ifndef PARSER_H
#define PARSER_H

#include <Ice/Ice.h>
#include <Filesystem.h>
#include <list>
#include <stdio.h>

//
// Stuff for flex and bison
//

#define YYSTYPE std::list<std::string>
#define YY_DECL int yylex(YYSTYPE* yylvalp)
YY_DECL;
int yyparse();

//
// I must set the initial stack depth to the maximum stack depth to
// disable bison stack resizing. The bison stack resizing routines use
// simple malloc/alloc/memcpy calls, which do not work for the
// YYSTYPE, since YYSTYPE is a C++ type, with constructor, destructor,
// assignment operator, etc.
//
#define YYMAXDEPTH  10000
#define YYINITDEPTH YYMAXDEPTH // Initial depth is set to max depth, for the reasons described above.

//
// Newer bison versions allow to disable stack resizing by defining
// yyoverflow.
//
#define yyoverflow(a, b, c, d, e, f) yyerror(a)

class Parser;
typedef IceUtil::Handle<Parser> ParserPtr;

class Parser : public IceUtil::SimpleShared
{
public:
    Parser(const Filesystem::DirectoryPrx&);

    void usage();
    void list(bool);
    void list(const Filesystem::DirectoryPrx&, bool, int);
    void createFile(const ::std::list< ::std::string>&);
    void createDir(const ::std::list< ::std::string>&);
    void pwd();
    void cd(const ::std::string&);
    void cat(const ::std::string&);
    void write(::std::list< ::std::string>&);
    void destroy(const ::std::list< ::std::string>&);

    void getInput(char*, int&, int);
    void continueLine();
    const char* getPrompt();

    void error(const char*);
    void error(const std::string&);

    void warning(const char*);
    void warning(const std::string&);

    int parse(bool = false);

private:
    ::std::list<Filesystem::DirectoryPrx> _dirs;

    bool _continue;
    int _errors;
};

extern Parser* parser; // The current parser for bison/flex

#endif