type PptxComponents = class(TSComponentsBase)
public
    function Create();
    function Init();override;

    property Rels read ReadRels;
    property App read ReadApp;
    property Core read ReadCore;
    property PresentationRels read ReadPresentationRels;
    property SlideLayouts read ReadSlideLayouts;
    property SlideLayoutRels read ReadSlideLayoutRels;
    property SlideMasters read ReadSlideMasters;
    property SlideMasterRels read ReadSlideMasterRels;
    property Slides read ReadSlides;
    property SlideRels read ReadSlideRels;
    property Themes read ReadThemes;
    property Presentation read ReadPresentation;
    property PresProps read ReadPresProps;
    property TableStyles read ReadTableStyles;
    property ViewProps read ReadViewProps;
    property ContentTypes read ReadContentTypes;
    function ReadRels();
    function ReadApp();
    function ReadCore();
    function ReadPresentationRels();
    function ReadSlideLayouts(_index: integer);
    function ReadSlideLayoutRels(_index: integer);
    function ReadSlideMasters(_index: integer);
    function ReadSlideMasterRels(_index: integer);
    function ReadSlides(_index: integer);
    function ReadSlideRels(_index: integer);
    function ReadThemes(_index: integer);
    function ReadPresentation();
    function ReadPresProps();
    function ReadTableStyles();
    function ReadViewProps();
    function ReadContentTypes();

protected
    function NewObject(_name: string): tslobj;override;

private

    // xml
    rels_: Relationships;
    app_: Properties;
    core_: CoreProperties;
    presentation_rels_: Relationships;
    slide_layout_array_: array of SldLayout;
    slide_layout_rels_array_ array of Relationships;
    slide_master_array_: array of SldMaster;
    slide_master_rels_array_: array of Relationships;
    slide_array_: array of Sld;
    slide_rels_array_: array of Relationships;
    theme_array_: array of Theme;
    presentation_: Presentation;
    pres_props_: PresnetationPr;
    table_styles_: TblStyleLst;
    view_props_: ViewPr;
    content_types_: Types;
end;

function PptxComponents.Create();
begin
    inherited;
end;

function PptxComponents.Init();override;
begin
    conf_ := array
    (
        "rels": array("_rels/.rels", "Relationships"),
        "app": array("docProps/app.xml", "Properties"),
        "core": array("docProps/core.xml", "cp:coreProperties"),
        "presentation_rels": array("ppt/_rels/presentation.xml.rels", "Relationships"),
        "slide_layout": array("ppt/slideLayouts/slideLayout%d.xml", "p:sldLayout"),
        "slide_layout_rels": array("ppt/slideLayouts/_rels/slideLayout%d.xml.rels", "Relationships"),
        "slide_master": array("ppt/slideMasters/slideMaster%d.xml", "p:sldMaster"),
        "slide_master_rels": array("ppt/slideMasters/_rels/slideMaster%d.xml.rels", "Relationships"),
        "slide": array("ppt/slides/slide%d.xml", "p:sld"),
        "slide_rels": array("ppt/slides/_rels/slide%d.xml.rels", "Relationships"),
        "theme": array("ppt/theme/theme%d.xml", "a:theme"),
        "presentation": array("ppt/presentation.xml", "p:presentation"),
        "pres_props": array("ppt/presProps.xml", "p:presentationPr"),
        "table_styles": array("ppt/tableStyles.xml", "a:tblStyleLst"),
        "view_props": array("ppt/viewProps.xml", "p:viewPr"),
        "content_types": array("[Content_Types].xml", "Types"),
    );
    rels_ := nil;
    app_ := nil;
    core_ := nil;
    presentation_rels_ := nil;
    slide_layout_array_ := array();
    slide_layout_rels_array_ := array();
    slide_master_array_ := array();
    slide_master_rels_array_ := array();
    slide_array_ := array();
    slide_rels_array_ := array();
    theme_array_ := array();
    presentation_ := nil;
    pres_props_ := nil;
    table_styles_ := nil;
    view_props_ := nil;
    content_types_ := nil;
end;

function PptxComponents.NewObject(_name: string): tslobj;override;
begin
    case _name of
        "rels", "presentation_rels", "slide_layout_rels", "slide_master_rels", "slide_rels":
            return new Relationships();
        "app":
            return new Properties();
        "core":
            return new CoreProperties();
        "theme":
            return new Theme();
        "content_types":
            return new Types();
        "slide":
            return new Sld();
        "slide_layout":
            return new SldLayout();
        "slide_master":
            return new SldMaster();
        "presentation":
            return new Presentation();
        "pres_props":
            return new PresnetationPr();
        "table_styles":
            return new TblStyleLst();
        "view_props":
            return new ViewPr();
    end;
end;

function PptxComponents.ReadRels();
begin
    return {self.}SetProp(rels_, "rels");
end;

function PptxComponents.ReadApp();
begin
    return {self.}SetProp(app_, "app");
end;

function PptxComponents.ReadCore();
begin
    return {self.}SetProp(core_, "core");
end;

function PptxComponents.ReadPresentationRels();
begin
    return {self.}SetProp(presentation_rels_, "presentation_rels");
end;

function PptxComponents.ReadSlideLayouts(_index: integer);
begin
    return {self.}SetPropArr(slide_layout_array_, "slide_layout", _index);
end;

function PptxComponents.ReadSlideLayoutRels(_index: integer);
begin
    return {self.}SetPropArr(slide_layout_rels_array_, "slide_layout_rels", _index);
end;

function PptxComponents.ReadSlideMasters(_index: integer);
begin
    return {self.}SetPropArr(slide_master_array_, "slide_master", _index);
end;

function PptxComponents.ReadSlideMasterRels(_index: integer);
begin
    return {self.}SetPropArr(slide_master_rels_array_, "slide_master_rels", _index);
end;

function PptxComponents.ReadSlides(_index: integer);
begin
    return {self.}SetPropArr(slide_array_, "slide", _index);
end;

function PptxComponents.ReadSlideRels(_index: integer);
begin
    return {self.}SetPropArr(slide_rels_array_, "slide_rels", _index);
end;

function PptxComponents.ReadThemes(_index: integer);
begin
    return {self.}SetPropArr(theme_array_, "theme", _index);
end;

function PptxComponents.ReadPresentation();
begin
    return {self.}SetProp(presentation_, "presentation");
end;

function PptxComponents.ReadPresProps();
begin
    return {self.}SetProp(pres_props_, "pres_props");
end;

function PptxComponents.ReadTableStyles();
begin
    return {self.}SetProp(table_styles_, "table_styles");
end;

function PptxComponents.ReadViewProps();
begin
    return {self.}SetProp(view_props_, "view_props");
end;

function PptxComponents.ReadContentTypes();
begin
    return {self.}SetProp(content_types_, "content_types");
end;