ClassEncodeGenerator Class Reference

#include "EncodeGenerator.h"

Inheritance diagram for ClassEncodeGenerator:

Collaboration diagram for ClassEncodeGenerator:

Public Member Functions
	ClassEncodeGenerator (FILE *outputFile=NULL)
Public Member Functions inherited from Generator
	Generator (FILE *outputFile=NULL)
	Primary constructor. More...
void	SetOutputFile (FILE *outputFile)
	Sets output file. More...
Public Member Functions inherited from XMLParserEx
template<typename T >
void	AddMemberParser (const char *name, T &instance, bool(T::*method)(const TiXmlElement *))
	Adds a member parser. More...
template<typename T >
void	AddValueParser (const char *name, T &value)
	Adds a value parser. More...
Public Member Functions inherited from XMLParser
	XMLParser ()
	Primary constructor. More...
virtual	~XMLParser ()
	A destructor. More...
bool	ParseFile (const char *file)
	Parses file using registered parsers. More...
bool	ParseElement (const TiXmlElement *element) const
	Parses element using registered parsers. More...
bool	ParseElementChildren (const TiXmlElement *element, size_t max=0) const
	Parses element's children using registered parsers. More...
void	AddParser (const char *name, ElementParser *parser)
	Adds a parser. More...
void	RemoveParser (const char *name)
	Removes a parser. More...
void	ClearParsers ()
	Clears all parsers. More...

Protected Member Functions
const char *	top () const
void	pop ()
void	push (const char *v)
void	clear ()
bool	ProcessElementDef (const TiXmlElement *field)
bool	ProcessElement (const TiXmlElement *field)
bool	ProcessElementPtr (const TiXmlElement *field)
bool	ProcessRaw (const TiXmlElement *field)
bool	ProcessInt (const TiXmlElement *field)
bool	ProcessLong (const TiXmlElement *field)
bool	ProcessReal (const TiXmlElement *field)
bool	ProcessBool (const TiXmlElement *field)
bool	ProcessNone (const TiXmlElement *field)
bool	ProcessBuffer (const TiXmlElement *field)
bool	ProcessString (const TiXmlElement *field)
bool	ProcessStringInline (const TiXmlElement *field)
bool	ProcessWString (const TiXmlElement *field)
bool	ProcessWStringInline (const TiXmlElement *field)
bool	ProcessToken (const TiXmlElement *field)
bool	ProcessTokenInline (const TiXmlElement *field)
bool	ProcessObject (const TiXmlElement *field)
bool	ProcessObjectInline (const TiXmlElement *field)
bool	ProcessObjectEx (const TiXmlElement *field)
bool	ProcessTuple (const TiXmlElement *field)
bool	ProcessTupleInline (const TiXmlElement *field)
bool	ProcessList (const TiXmlElement *field)
bool	ProcessListInline (const TiXmlElement *field)
bool	ProcessListInt (const TiXmlElement *field)
bool	ProcessListLong (const TiXmlElement *field)
bool	ProcessListStr (const TiXmlElement *field)
bool	ProcessDict (const TiXmlElement *field)
bool	ProcessDictInline (const TiXmlElement *field)
bool	ProcessDictRaw (const TiXmlElement *field)
bool	ProcessDictInt (const TiXmlElement *field)
bool	ProcessDictStr (const TiXmlElement *field)
bool	ProcessSubStreamInline (const TiXmlElement *field)
bool	ProcessSubStructInline (const TiXmlElement *field)
Protected Member Functions inherited from Generator
void	RegisterProcessors ()
Protected Member Functions inherited from XMLParserEx
template<typename T >
void	AddMemberParser (const char *name, bool(T::*method)(const TiXmlElement *))
	Adds a member parser, assuming that instance is this. More...

Private Attributes
uint32	mItemNumber
std::stack< std::string >	mVariableStack
const char *	mName

Additional Inherited Members
Public Attributes inherited from XMLParser
std::unique_ptr< TiXmlDocument >	m_pXML_Document
Static Protected Member Functions inherited from Generator
static const char *	GetEncodeType (const TiXmlElement *element)
	Obtains encode type of given element. More...
Protected Attributes inherited from Generator
FILE *	mOutputFile

Detailed Description

Definition at line 31 of file EncodeGenerator.h.

Constructor & Destructor Documentation

ClassEncodeGenerator::ClassEncodeGenerator

(

FILE *

outputFile = NULL

)

Definition at line 30 of file EncodeGenerator.cpp.

References Generator::RegisterProcessors().

: Generator( outputFile ),
  mItemNumber( 0 ),
  mName( nullptr )
{
    RegisterProcessors();
}

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Member Function Documentation

void ClassEncodeGenerator::clear ( )

inlineprotected

Definition at line 41 of file EncodeGenerator.h.

References mVariableStack, and pop().

Referenced by ProcessElementDef().

{ while( !mVariableStack.empty() ) pop(); }

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void ClassEncodeGenerator::pop ( )

inlineprotected

Definition at line 39 of file EncodeGenerator.h.

References mVariableStack.

Referenced by clear(), ProcessBool(), ProcessBuffer(), ProcessDict(), ProcessDictInline(), ProcessDictInt(), ProcessDictRaw(), ProcessDictStr(), ProcessElement(), ProcessElementPtr(), ProcessInt(), ProcessList(), ProcessListInline(), ProcessListInt(), ProcessListLong(), ProcessListStr(), ProcessLong(), ProcessNone(), ProcessObject(), ProcessObjectEx(), ProcessObjectInline(), ProcessRaw(), ProcessReal(), ProcessString(), ProcessStringInline(), ProcessSubStreamInline(), ProcessSubStructInline(), ProcessToken(), ProcessTokenInline(), ProcessTuple(), ProcessTupleInline(), ProcessWString(), and ProcessWStringInline().

{ mVariableStack.pop(); }

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bool ClassEncodeGenerator::ProcessBool ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 234 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    fprintf( mOutputFile,
        "        %s = new PyBool( %s );\n",
        top(), name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessBuffer ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 262 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* v = top();
    fprintf( mOutputFile,
        "    if (%s != nullptr) {\n"
        "        %s = %s;\n"
        "        PyIncRef(%s);\n"
        "    } else {\n"
        "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding an empty buffer.\");\n"
        "        %s = new PyBuffer( 0 );\n"
        "    }\n"
        "\n",
        name,
            v, name,
            name,
            mName, name,
            v
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessDict ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 838 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), str2< bool >(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    bool optional = false;
    const char* optional_str = field->Attribute("optional");
    if (optional_str != nullptr )
        optional = str2<bool>( optional_str );

    const char* v = top();
    fprintf( mOutputFile,
        "    if (%s == nullptr) {\n"
        "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding an empty dict.\");\n"
        "        %s = new PyDict();\n"
        "    } else\n",
        name,
            mName, name,
            v
    );

    if (optional)
        fprintf( mOutputFile,
            "    if (%s->empty())\n"
            "        %s = PyStatic.NewNone();\n"
            "    else\n",
            name,
                v
        );

    fprintf( mOutputFile,
             "    {\n"
             "        %s = %s;\n"
             "        PyIncRef(%s);\n"
             "    }\n"
             "\n",
             v, name,
             name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessDictInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 885 of file EncodeGenerator.cpp.

References key(), mItemNumber, Generator::mOutputFile, XMLParser::ParseElementChildren(), pop(), push(), snprintf, and top().

{
    //first, create the dict container
    char iname[16];
    snprintf( iname, sizeof( iname ), "dict%u", mItemNumber++ );

    fprintf( mOutputFile,
        "    PyDict* %s = new PyDict();\n",
        iname
    );

    //now we process each element, putting it into the dict:
    const TiXmlNode* i = nullptr;

    uint32 count = 0;
    while ((i = field->IterateChildren(i))) {
        if (i->Type() == TiXmlNode::TINYXML_ELEMENT) {
            const TiXmlElement* ele = i->ToElement();

            //we only handle dictInlineEntry elements
            if (strcmp( ele->Value(), "dictInlineEntry" ) != 0 )            {
                std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictInline non-dictInlineEntry in <dictInline> at line " << field->Row() << ", ignoring.";
                continue;
            }
            const char* key = ele->Attribute( "key" );
            if (key == nullptr) {
                std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictInline <dictInlineEntry> at line " << field->Row() << " is missing the key attribute, skipping.";
                return false;
            }

            bool keyTypeInt = false, keyTypeLong = false;
            const char* keyType = ele->Attribute( "key_type" );
            if (keyType != nullptr) {
                keyTypeInt = ( strcmp( keyType, "int" ) == 0 );
                keyTypeLong = ( strcmp( keyType, "long" ) == 0 );
            }

            char vname[32];
            snprintf( vname, sizeof( vname ), "%s_%u", iname, count );
            ++count;

            fprintf( mOutputFile,
                "    PyRep* %s(nullptr);\n",
                vname
            );
            push( vname );

            //now process the data part, putting the value into `varname`
            if (!ParseElementChildren( ele, 1 ) )
                return false;

            //now store the result in the dict:
            //taking the keyType into account
            if (keyTypeInt )
                fprintf( mOutputFile,
                         "    %s->SetItem(new PyInt( %s ), %s);\n"
                         "    PyIncRef(%s);\n",
                         iname, key, vname,
                         vname
                );
            else if (keyTypeLong )
                    fprintf( mOutputFile,
                             "    %s->SetItem(new PyLong( %s ), %s);\n"
                             "    PyIncRef(%s);\n",
                             iname, key, vname,
                             vname
                    );
            else
                fprintf( mOutputFile,
                         "    %s->SetItemString(\"%s\", %s);\n"
                         "    PyIncRef(%s);\n",
                         iname, key, vname,
                         vname
                );
        }
    }

    fprintf( mOutputFile,
        "    %s = %s;\n"
        "\n",
        top(), iname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessDictInt ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 1019 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, pop(), snprintf, and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictInt field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    char iname[16];
    snprintf( iname, sizeof( iname ), "dict%u", mItemNumber++ );

    fprintf( mOutputFile,
        "    PyDict* %s = new PyDict();\n"
        "    for (auto cur : %s) {\n"
        "        %s->SetItem(new PyInt(cur.first ), cur.second);\n"
        "        PyIncRef(cur.second);\n"
        "    }\n"
        "\n"
        "    %s = %s;\n",
        iname,
        name,
            iname,

        top(), iname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessDictRaw ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 972 of file EncodeGenerator.cpp.

References key(), mItemNumber, Generator::mOutputFile, pop(), snprintf, and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictRaw field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }
    const char* key = field->Attribute( "key" );
    if (key == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictRaw field at line " << field->Row() << " is missing the key attribute, skipping.";
        return false;
    }
    const char* pykey = field->Attribute( "pykey" );
    if (pykey == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictRaw field at line " << field->Row() << " is missing the pykey attribute, skipping.";
        return false;
    }
    const char* value = field->Attribute( "value" );
    if (value == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictRaw field at line " << field->Row() << " is missing the value attribute, skipping.";
        return false;
    }
    const char* pyvalue = field->Attribute( "pyvalue" );
    if (pyvalue == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictRaw field at line " << field->Row() << " is missing the pyvalue attribute, skipping.";
        return false;
    }

    char rname[16];
    snprintf( rname, sizeof( rname ), "dict%u", mItemNumber++ );

    fprintf( mOutputFile,
        "    PyDict* %s = new PyDict();\n"
        "    for (auto cur : %s) \n"
        "        %s->SetItem(new Py%s(cur.first), new Py%s(cur.second));\n"
        "    %s = %s;\n"
        "\n",
        rname,
        name,
            rname, pykey, pyvalue,
        top(), rname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessDictStr ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 1049 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, pop(), snprintf, and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessDictStr field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    char iname[16];
    snprintf( iname, sizeof( iname ), "dict%d", mItemNumber++ );

    fprintf( mOutputFile,
        "    PyDict* %s = new PyDict();\n"
        "    for (auto cur : %s) {\n"
        "        %s->SetItemString(cur.first.c_str(), cur.second);\n"
        "        PyIncRef(cur.second);\n"
        "    }\n"
        "\n"
        "    %s = %s;\n",
        iname,
        name,
            iname,

        top(), iname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessElement ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 78 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    fprintf( mOutputFile,
        "    %s = %s.Encode();\n"
        "\n",
        top(), name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessElementDef ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 38 of file EncodeGenerator.cpp.

References clear(), Generator::GetEncodeType(), main(), mItemNumber, mName, Generator::mOutputFile, XMLParser::ParseElement(), and push().

{
    mName = field->Attribute( "name" );
    if (mName == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: <element> at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const TiXmlElement* main = field->FirstChildElement();
    if (main->NextSiblingElement() != nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: <element> at line " << field->Row() << " contains more than one root element, skipping.";
        return false;
    }

    const char* encode_type = GetEncodeType( main );
    fprintf( mOutputFile,
        "%s* %s::Encode() const\n"
        "{\n"
        "    %s* res(nullptr);\n"
        "\n",
        encode_type, mName,
            encode_type
    );

    mItemNumber = 0;
    clear();

    push( "res" );
    if (!ParseElement( main ) )
        return false;

    fprintf( mOutputFile,
        "    return res;\n"
        "}\n"
        "\n"
    );

    return true;
}

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bool ClassEncodeGenerator::ProcessElementPtr ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 96 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* v = top();
    fprintf( mOutputFile,
        "    if (%s != nullptr)\n"
        "        %s = %s->Encode();\n"
        "    else {\n"
        "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null. Encoding a PyNone\");\n"
        "        %s = PyStatic.NewNone();\n"
        "    }\n"
        "\n",
        name, v, name,
        mName, name, v
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessInt ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 150 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* none_marker = field->Attribute( "none_marker" );
    const char* v = top();
    if (none_marker != nullptr)
        fprintf(mOutputFile,
                "    if (%s == %s )\n"
                "        %s = PyStatic.NewNone();\n"
                "    else\n",
                name, none_marker,
                v
        );

    fprintf(mOutputFile,
            "    %s = new PyInt( %s );\n",
            v, name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessList ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 671 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), str2< bool >(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessList field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    bool optional = false;
    const char* optional_str = field->Attribute( "optional" );
    if (optional_str != nullptr )
        optional = str2<bool>( optional_str );

    const char* v = top();
    fprintf( mOutputFile,
        "    if (%s == nullptr) {\n"
        "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding an empty list.\");\n"
        "        %s = new PyList();\n"
        "    } else\n",
        name,
            mName, name,
            v
    );

    if (optional)
        fprintf( mOutputFile,
            "    if (%s->empty())\n"
            "        %s = PyStatic.NewNone();\n"
            "    else\n",
            name,
                v
        );

    fprintf( mOutputFile,
             "    {\n"
             "        %s = %s;\n"
             "        PyIncRef(%s);\n"
             "    }\n"
             "\n",
             v, name,
             name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessListInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 718 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, XMLParser::ParseElementChildren(), pop(), push(), snprintf, and top().

{
    //first, we need to know how many elements this tuple has:
    const TiXmlNode* i = nullptr;

    uint32 count = 0;
    while( ( i = field->IterateChildren( i ) ) )
    {
        if (i->Type() == TiXmlNode::TINYXML_ELEMENT )
            count++;
    }

    char iname[16];
    snprintf( iname, sizeof( iname ), "list%u", mItemNumber++ );

    //now we can generate the list decl
    fprintf( mOutputFile,
        "    PyList* %s = new PyList( %u );\n",
        iname, count
    );

    //now we need to queue up all the storage locations for the fields
    //need to be backward
    char varname[64];
    while( count-- > 0 )
    {
        snprintf( varname, sizeof( varname ), "%s->items[ %u ]", iname, count );
        push( varname );
    }

    if (!ParseElementChildren( field ))
        return false;

    fprintf( mOutputFile,
        "    %s = %s;\n"
        "\n",
        top(), iname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessListInt ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 761 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, pop(), snprintf, and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    char rname[16];
    snprintf( rname, sizeof( rname ), "list%u", mItemNumber++ );

    fprintf( mOutputFile,
        "    PyList* %s = new PyList();\n"
        "    for (auto cur : %s)\n"
        "        %s->AddItemInt(cur);\n"
        "    %s = %s;\n"
        "\n",
        rname, name, rname,
        top(), rname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessListLong ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 786 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, pop(), snprintf, and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    char rname[16];
    snprintf( rname, sizeof( rname ), "list%u", mItemNumber++ );

    fprintf( mOutputFile,
        "    PyList *%s = new PyList();\n"
        "    for (auto cur : %s)\n"
        "        %s->AddItemLong(cur);\n"
        "    %s = %s;\n"
        "\n",
        rname, name,
        rname,
        top(), rname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessListStr ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 812 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, pop(), snprintf, and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    char rname[16];
    snprintf( rname, sizeof( rname ), "list%u", mItemNumber++ );

    fprintf( mOutputFile,
             "    PyList *%s = new PyList();\n"
             "    for (auto cur : %s)\n"
             "        %s->AddItemString(cur.c_str());\n"
             "    %s = %s;\n"
             "\n",
             rname, name,
             rname,
             top(), rname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessLong ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 178 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* none_marker = field->Attribute( "none_marker" );
    const char* v = top();
    if (none_marker != nullptr )
        fprintf( mOutputFile,
                 "    if (%s == %s )\n"
                 "        %s = PyStatic.NewNone();\n"
                 "    else\n",
                 name, none_marker,
                 v
        );

    fprintf( mOutputFile,
             "    %s = new PyLong( %s );\n",
             v, name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessNone ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 251 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    fprintf( mOutputFile,
        "    %s = PyStatic.NewNone();\n",
        top()
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessObject ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 447 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), str2< bool >(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessObject field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    bool optional = false;
    const char* optional_str = field->Attribute( "optional" );
    if (optional_str != nullptr )
        optional = str2<bool>( optional_str );

    const char* v = top();
    if (optional)
        fprintf( mOutputFile,
            "    if (%s == nullptr)\n"
            "        %s = PyStatic.NewNone();\n"
            "    else\n",
            name,
                v
        );
    else
        fprintf( mOutputFile,
            "    if (%s == nullptr) {\n"
            "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding a PyNone\");\n"
            "        %s = PyStatic.NewNone();\n"
            "    } else\n",
            name,
                mName, name,
            v
        );

    fprintf( mOutputFile,
             "    {\n"
             "        %s = %s;\n"
             "        PyIncRef(%s);\n"
             "    }\n"
             "\n",
             v, name,
             name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessObjectEx ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 528 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), str2< bool >(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessObjectEx field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }
    const char* type = field->Attribute( "type" );
    if (type == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessObjectEx field at line " << field->Row() << " is missing the type attribute, skipping.";
        return false;
    }

    bool optional = false;
    const char* optional_str = field->Attribute( "optional" );
    if (optional_str != nullptr)
        optional = str2<bool>( optional_str );

    const char *v = top();
    if (optional)
        fprintf( mOutputFile,
            "    if (%s == nullptr)\n"
            "        %s = PyStatic.NewNone();\n"
            "    else\n",
            name,
                v
        );
    else
        fprintf( mOutputFile,
            "    if (%s == nullptr) {\n"
            "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding a PyNone\");\n"
            "        %s = PyStatic.NewNone();\n"
            "    } else\n",
            name,
                mName, name,
                v
        );

    fprintf( mOutputFile,
             "    {\n"
             "        %s = %s;\n"
             "        PyIncRef(%s);\n"
             "    }\n"
             "\n",
             v, name,
             name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessObjectInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 494 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, XMLParser::ParseElementChildren(), pop(), push(), snprintf, and top().

{
    const uint32 num = mItemNumber++;

    char tname[32];
    snprintf( tname, sizeof( tname ), "obj%u_type", num );

    char aname[32];
    snprintf( aname, sizeof( aname ), "obj%u_args", num );

    fprintf( mOutputFile,
        "    PyString* %s(nullptr);\n"
        "    PyRep* %s(nullptr);\n"
        "\n",
        tname,
        aname
    );

    push( aname );
    push( tname );

    if (!ParseElementChildren( field, 2 ) )
        return false;

    const char* v = top();
    fprintf( mOutputFile,
        "    %s = new PyObject(%s, %s);\n",
        v, tname, aname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessRaw ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 121 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* v = top();
    fprintf( mOutputFile,
        "    if (%s != nullptr) {\n"
        "        %s = %s;\n"
        "        PyIncRef(%s);\n"
        "    } else {\n"
        "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding a PyNone\");\n"
        "        %s = PyStatic.NewNone();\n"
        "    }\n"
        "\n",
        name,
            v, name,
            name,
            mName, name,
            v
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessReal ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 206 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* none_marker = field->Attribute( "none_marker" );
    const char* v = top();
    if (none_marker != nullptr )
        fprintf( mOutputFile,
                "    if (%s == %s )\n"
                "        %s = PyStatic.NewNone();\n"
                "    else\n",
                name, none_marker,
                v
        );

    fprintf( mOutputFile,
            "    %s = new PyFloat( %s );\n",
            v, name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessString ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 291 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    const char* none_marker = field->Attribute( "none_marker" );
    const char* v = top();
    if (none_marker != nullptr )
        fprintf( mOutputFile,
                "    if (%s == \"%s\" )\n"
                "        %s = PyStatic.NewNone();\n"
                "    else\n",
                name, none_marker,
                v
        );

    fprintf( mOutputFile,
            "    %s = new PyString( %s );\n",
            v, name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessStringInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 319 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* value = field->Attribute( "value" );
    if (value == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: String element at line " << field->Row() << " has no value attribute, skipping.";
        return false;
    }

    const char* v = top();
    fprintf( mOutputFile,
        "    %s = new PyString( \"%s\" );\n",
        v, value
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessSubStreamInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 1079 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, XMLParser::ParseElementChildren(), pop(), push(), snprintf, and top().

{
    char varname[16];
    snprintf( varname, sizeof( varname ), "ss_%d", mItemNumber++ );

    //encode the sub-element into a temp
    fprintf( mOutputFile,
        "    PyRep* %s;\n",
        varname
    );

    push( varname );
    if (!ParseElementChildren( field, 1 ) )
        return false;

    //now make a substream from the temp at store it where it is needed
    fprintf( mOutputFile,
        "    %s = new PySubStream( %s );\n",
        top(), varname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessSubStructInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 1104 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, XMLParser::ParseElementChildren(), pop(), push(), snprintf, and top().

{
    char varname[16];
    snprintf( varname, sizeof( varname ), "ss_%d", mItemNumber++ );

    //encode the sub-element into a temp
    fprintf( mOutputFile,
        "    PyRep* %s;\n",
        varname
    );

    push( varname );
    if (!ParseElementChildren( field, 1 ) )
        return false;

    //now make a substream from the temp at store it where it is needed
    fprintf( mOutputFile,
        "    %s = new PySubStruct( %s );\n",
        top(), varname
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessToken ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 382 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), str2< bool >(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    bool optional = false;
    const char* optional_str = field->Attribute("optional");
    if (optional_str != nullptr )
        optional = str2<bool>( optional_str );

    const char* v = top();
    if (optional)
        fprintf( mOutputFile,
                "    if (%s == nullptr)\n"
                "        %s = PyStatic.NewNone();\n"
                "    else\n",
                name,
                v
        );
    else
        fprintf( mOutputFile,
                "    if (%s == nullptr) {\n"
                "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding a PyNone\");\n"
                "        %s = PyStatic.NewNone();\n"
                "    } else\n",
                name,
                mName, name,
                v
        );

    fprintf( mOutputFile,
             "    {\n"
             "        %s = %s;\n"
             "        PyIncRef(%s);\n"
             "    }\n"
             "\n",
             v, name,
                name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessTokenInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 429 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* value = field->Attribute( "value" );
    if (value == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: Token element at line " << field->Row() << " has no type attribute, skipping.";
        return false;
    }

    const char* v = top();
    fprintf( mOutputFile,
        "    %s = new PyToken( \"%s\" );\n",
        v, value
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessTuple ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 580 of file EncodeGenerator.cpp.

References mName, Generator::mOutputFile, pop(), str2< bool >(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator::ProcessTuple field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }

    bool optional = false;
    const char* optional_str = field->Attribute("optional");
    if (optional_str != nullptr )
        optional = str2<bool>( optional_str );

    const char* v = top();
    fprintf( mOutputFile,
        "    if (%s == nullptr) {\n"
        "        _log(NET__PACKET_WARNING, \"Encode %s: %s is null.  Encoding an empty tuple.\");\n"
        "        %s = new PyTuple( 0 );\n"
        "    } else\n",
        name,
            mName, name,
            v
    );

    if (optional)
        fprintf( mOutputFile,
            "    if (%s->empty())\n"
            "        %s = PyStatic.NewNone();\n"
            "    else\n",
            name,
                v
        );

    fprintf( mOutputFile,
             "    {\n"
             "        %s = %s;\n"
             "        PyIncRef(%s);\n"
             "    }\n"
             "\n",
             v, name,
             name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessTupleInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 627 of file EncodeGenerator.cpp.

References mItemNumber, Generator::mOutputFile, XMLParser::ParseElementChildren(), pop(), push(), snprintf, and top().

{
    //first, we need to know how many elements this tuple has:
    const TiXmlNode* i = nullptr;

    uint32 count = 0;
    while( ( i = field->IterateChildren( i ) ) )
    {
        if (i->Type() == TiXmlNode::TINYXML_ELEMENT )
            count++;
    }

    char iname[16];
    snprintf( iname, sizeof( iname ), "tuple%u", mItemNumber++ );

    //now we can generate the tuple decl
    fprintf( mOutputFile,
        "    PyTuple* %s = new PyTuple( %u );\n",
        iname, count
    );

    //now we need to queue up all the storage locations for the fields
    //need to be backward
    char varname[64];
    while( count-- > 0 )
    {
        snprintf( varname, sizeof( varname ), "%s->items[ %u ]", iname, count );
        push( varname );
    }

    if (!ParseElementChildren( field ) )
        return false;

    fprintf( mOutputFile,
        "    %s = %s;\n"
        "\n",
        top(), iname
    );


    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessWString ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 337 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* name = field->Attribute( "name" );
    if (name == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: field at line " << field->Row() << " is missing the name attribute, skipping.";
        return false;
    }
    const char* none_marker = field->Attribute( "none_marker" );
    const char* v = top();
    if (none_marker != nullptr )
        fprintf( mOutputFile,
                "    if (%s == \"%s\" )\n"
                "        %s = PyStatic.NewNone();\n"
                "    else\n",
                name, none_marker,
                v
        );

    fprintf( mOutputFile,
            "    %s = new PyWString( %s );\n",
            v, name
    );

    pop();
    return true;
}

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bool ClassEncodeGenerator::ProcessWStringInline ( const TiXmlElement *  field )

protectedvirtual

Implements Generator.

Definition at line 364 of file EncodeGenerator.cpp.

References Generator::mOutputFile, pop(), and top().

{
    const char* value = field->Attribute( "value" );
    if (value == nullptr) {
        std::cout << std::endl <<  "ClassEncodeGenerator:: WString element at line " << field->Row() << " has no value attribute, skipping.";
        return false;
    }

    const char* v = top();
    fprintf( mOutputFile,
            "    %s = new PyWString( \"%s\", %zu );\n",
            v, value, strlen( value )
    );

    pop();
    return true;
}

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void ClassEncodeGenerator::push ( const char *  v )

inlineprotected

Definition at line 40 of file EncodeGenerator.h.

References mVariableStack.

Referenced by ProcessDictInline(), ProcessElementDef(), ProcessListInline(), ProcessObjectInline(), ProcessSubStreamInline(), ProcessSubStructInline(), and ProcessTupleInline().

{ mVariableStack.push( v ); }

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const char* ClassEncodeGenerator::top ( ) const

inlineprotected

Definition at line 38 of file EncodeGenerator.h.

References mVariableStack.

Referenced by ProcessBool(), ProcessBuffer(), ProcessDict(), ProcessDictInline(), ProcessDictInt(), ProcessDictRaw(), ProcessDictStr(), ProcessElement(), ProcessElementPtr(), ProcessInt(), ProcessList(), ProcessListInline(), ProcessListInt(), ProcessListLong(), ProcessListStr(), ProcessLong(), ProcessNone(), ProcessObject(), ProcessObjectEx(), ProcessObjectInline(), ProcessRaw(), ProcessReal(), ProcessString(), ProcessStringInline(), ProcessSubStreamInline(), ProcessSubStructInline(), ProcessToken(), ProcessTokenInline(), ProcessTuple(), ProcessTupleInline(), ProcessWString(), and ProcessWStringInline().

{ return mVariableStack.top().c_str(); }

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Member Data Documentation

uint32 ClassEncodeGenerator::mItemNumber

private

Definition at line 83 of file EncodeGenerator.h.

Referenced by ProcessDictInline(), ProcessDictInt(), ProcessDictRaw(), ProcessDictStr(), ProcessElementDef(), ProcessListInline(), ProcessListInt(), ProcessListLong(), ProcessListStr(), ProcessObjectInline(), ProcessSubStreamInline(), ProcessSubStructInline(), and ProcessTupleInline().

const char* ClassEncodeGenerator::mName

private

Definition at line 85 of file EncodeGenerator.h.

Referenced by ProcessBuffer(), ProcessDict(), ProcessElementDef(), ProcessElementPtr(), ProcessList(), ProcessObject(), ProcessObjectEx(), ProcessRaw(), ProcessToken(), and ProcessTuple().

std::stack<std::string> ClassEncodeGenerator::mVariableStack

private

Definition at line 84 of file EncodeGenerator.h.

Referenced by clear(), pop(), push(), and top().

---

The documentation for this class was generated from the following files:

• /backups/local/src/eve/EvEmu_Crucible/src/eve-xmlpktgen/EncodeGenerator.h
• /backups/local/src/eve/EvEmu_Crucible/src/eve-xmlpktgen/EncodeGenerator.cpp