PDG_NodeTemplate.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.
 *
 * COMMENTS:
 */

#ifndef __PDG_NODE_TEMPLATE_H__
#define __PDG_NODE_TEMPLATE_H__

#include "PDG_API.h"

#include "PDG_AttributeInfo.h"
#include "PDG_NodeInterface.h"
#include "PDG_Port.h"
#include "PDG_Types.h"

#include <UT/UT_Array.h>

class UT_AutoJSONParser;
class UT_JSONValue;
class UT_JSONValueArray;

class UT_StringHolder;
class UT_WorkBuffer;

class PDG_API PDG_NodeTemplate
{
public:
    using Array = UT_Array<PDG_NodeInterface>;

public:
    static bool     parseTemplate(
                        PDG_NodeInterface& interface,
                        const UT_StringHolder& template_name,
                        const UT_StringHolder& template_path,
                        const UT_StringHolder& template_body,
                        UT_WorkBuffer& errors);
    static bool     parseFile(
                        Array& template_list,
                        const UT_StringHolder& file_name,
                        UT_WorkBuffer& errors);
    static bool     parseString(
                        Array& template_list,
                        const UT_StringHolder& json_string,
                        UT_WorkBuffer& errors);
    static bool     parseJson(
                        Array& template_list,
                        UT_AutoJSONParser& parser,
                        UT_WorkBuffer& errors);

private:
    static bool     parseInterface(
                        const UT_JSONValue& value,
                        PDG_NodeInterface& interface,
                        UT_WorkBuffer& errors);

    static bool     parseScript(
                        const UT_JSONValue& value,
                        PDG_NodeInterface& interface,
                        UT_WorkBuffer& errors);

    static bool     parsePorts(
                        const UT_JSONValue& value,
                        PDG_NodeInterface& interface, 
                        PDG_PortType port_type,
                        UT_WorkBuffer& errors);

    static bool     parseVars(
                        const UT_JSONValueArray& value,
                        PDG_Port::ExpressionVars& vars,
                        UT_WorkBuffer& errors);

    static bool     parseDependencies(
                        const UT_JSONValue& value,
                        PDG_NodeInterface& interface,
                        UT_WorkBuffer& errors);
};

#endif