DS_Stream.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        DS library (C++)
 *
 * COMMENTS:    Handle's stream IO for a Dialog Script
 */

#ifndef __DS_Stream_h__
#define __DS_Stream_h__

#include "PRM_API.h"
#include <FS/CPP_TokenStream.h>
#include <UT/UT_ErrorManager.h>
#include <UT/UT_ValArray.h>
#include <UT/UT_String.h>

#define OBRACE  "{"
#define CBRACE  "}"

class CPP_Manager;

class PRM_API DS_Stream : public CPP_TokenStream
{
public:
     DS_Stream(const char *filename, int pathvar=-1);
     DS_Stream(UT_IStream &is, const char *filename="<internal>",
               bool fordisablewhen = false);
    ~DS_Stream() override;

    //
    // Paths are specified in standard Houdini form (i.e. "@/vop/include")
    //
    int         getOpenBrace();
    int         parseBlock(UT_String &block, char delimiter = '\n',
                           bool quote_tokens = false);
    int         getToken(UT_String &token);

//
//  Error handling stuff
//
    int         getErrorMessages(UT_String &str,
                                 UT_ErrorSeverity s = UT_ERROR_NONE)
                { return myErrorManager.getErrorMessages(str, s); }
    void        clearErrors()
                { UTgetErrorManager()->clearAndDestroyErrors();
                  myErrorManager.clearAndDestroyErrors(); }
    void        stealErrors(DS_Stream &src)
                { myErrorManager.stealErrors(src.myErrorManager); }
    UT_ErrorSeverity
                getErrorSeverity()
                { return myErrorManager.getSeverity(); }

    void        message(const char *m); //      { UTaddWarning("DS", 0, m); }
    void        warning(const char *m); //      { UTaddWarning("DS", 0, m); }
    void        error(const char *m); //        { UTaddWarning("DS", 0, m); }

private:
    UT_ErrorManager              myErrorManager;
};

#endif