1 files changed, 319 insertions, 0 deletions
diff --git a/src/object/sp-factory.cpp b/src/object/sp-factory.cpp
new file mode 100644
index 0000000..ddd9afc
--- /dev/null
+++ b/src/object/sp-factory.cpp
@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Factory for SPObject tree
+ *
+ * Authors:
+ *   Markus Engel
+ *   PBS <pbs3141@gmail.com>
+ *
+ * Copyright (C) 2022 Authors
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "sp-factory.h"
+
+// primary
+#include "box3d.h"
+#include "box3d-side.h"
+#include "color-profile.h"
+#include "persp3d.h"
+#include "sp-anchor.h"
+#include "sp-clippath.h"
+#include "sp-defs.h"
+#include "sp-desc.h"
+#include "sp-ellipse.h"
+#include "sp-filter.h"
+#include "sp-flowdiv.h"
+#include "sp-flowregion.h"
+#include "sp-flowtext.h"
+#include "sp-font.h"
+#include "sp-font-face.h"
+#include "sp-glyph.h"
+#include "sp-glyph-kerning.h"
+#include "sp-grid.h"
+#include "sp-guide.h"
+#include "sp-hatch.h"
+#include "sp-hatch-path.h"
+#include "sp-image.h"
+#include "sp-line.h"
+#include "sp-linear-gradient.h"
+#include "sp-marker.h"
+#include "sp-mask.h"
+#include "sp-mesh-gradient.h"
+#include "sp-mesh-patch.h"
+#include "sp-mesh-row.h"
+#include "sp-metadata.h"
+#include "sp-missing-glyph.h"
+#include "sp-namedview.h"
+#include "sp-offset.h"
+#include "sp-page.h"
+#include "sp-path.h"
+#include "sp-pattern.h"
+#include "sp-polyline.h"
+#include "sp-radial-gradient.h"
+#include "sp-rect.h"
+#include "sp-root.h"
+#include "sp-script.h"
+#include "sp-solid-color.h"
+#include "sp-spiral.h"
+#include "sp-star.h"
+#include "sp-stop.h"
+#include "sp-string.h"
+#include "sp-style-elem.h"
+#include "sp-switch.h"
+#include "sp-symbol.h"
+#include "sp-tag.h"
+#include "sp-tag-use.h"
+#include "sp-text.h"
+#include "sp-textpath.h"
+#include "sp-title.h"
+#include "sp-tref.h"
+#include "sp-tspan.h"
+#include "sp-use.h"
+#include "live_effects/lpeobject.h"
+
+// filters
+#include "filters/blend.h"
+#include "filters/colormatrix.h"
+#include "filters/componenttransfer.h"
+#include "filters/componenttransfer-funcnode.h"
+#include "filters/composite.h"
+#include "filters/convolvematrix.h"
+#include "filters/diffuselighting.h"
+#include "filters/displacementmap.h"
+#include "filters/distantlight.h"
+#include "filters/flood.h"
+#include "filters/gaussian-blur.h"
+#include "filters/image.h"
+#include "filters/merge.h"
+#include "filters/mergenode.h"
+#include "filters/morphology.h"
+#include "filters/offset.h"
+#include "filters/pointlight.h"
+#include "filters/specularlighting.h"
+#include "filters/spotlight.h"
+#include "filters/tile.h"
+#include "filters/turbulence.h"
+
+#include <unordered_map>
+
+namespace {
+
+class Factory
+{
+public:
+    SPObject *create(std::string const &id) const
+    {
+        auto it = map.find(id);
+
+        if (it == map.end()) {
+            std::cerr << "WARNING: unknown type: " << id << std::endl;
+            return nullptr;
+        }
+
+        return it->second();
+    }
+
+    bool supportsId(std::string const &id) const
+    {
+        return map.find(id) != map.end();
+    }
+
+    static Factory const &get()
+    {
+        static Factory const singleton;
+        return singleton;
+    }
+
+private:
+    using Func = SPObject*(*)();
+
+    template <typename T>
+    static Func constexpr make = [] () -> SPObject* { return new T; };
+    static Func constexpr null = [] () -> SPObject* { return nullptr; };
+
+    std::unordered_map<std::string, Func> const map =
+    {
+        // primary
+        { "inkscape:box3d", make<SPBox3D> },
+        { "inkscape:box3dside", make<Box3DSide> },
+        { "svg:color-profile", make<Inkscape::ColorProfile> },
+        { "inkscape:persp3d", make<Persp3D> },
+        { "svg:a", make<SPAnchor> },
+        { "svg:clipPath", make<SPClipPath> },
+        { "svg:defs", make<SPDefs> },
+        { "svg:desc", make<SPDesc> },
+        { "svg:ellipse", [] () -> SPObject* {
+            auto e = new SPGenericEllipse;
+            e->type = SP_GENERIC_ELLIPSE_ELLIPSE;
+            return e;
+        }},
+        { "svg:circle", [] () -> SPObject* {
+            auto c = new SPGenericEllipse;
+            c->type = SP_GENERIC_ELLIPSE_CIRCLE;
+            return c;
+        }},
+        { "arc", [] () -> SPObject* {
+            auto a = new SPGenericEllipse;
+            a->type = SP_GENERIC_ELLIPSE_ARC;
+            return a;
+        }},
+        { "svg:filter", make<SPFilter> },
+        { "svg:flowDiv", make<SPFlowdiv> },
+        { "svg:flowSpan", make<SPFlowtspan> },
+        { "svg:flowPara", make<SPFlowpara> },
+        { "svg:flowLine", make<SPFlowline> },
+        { "svg:flowRegionBreak", make<SPFlowregionbreak> },
+        { "svg:flowRegion", make<SPFlowregion> },
+        { "svg:flowRegionExclude", make<SPFlowregionExclude> },
+        { "svg:flowRoot", make<SPFlowtext> },
+        { "svg:font", make<SPFont> },
+        { "svg:font-face", make<SPFontFace> },
+        { "svg:glyph", make<SPGlyph> },
+        { "svg:hkern", make<SPHkern> },
+        { "svg:vkern", make<SPVkern> },
+        { "sodipodi:guide", make<SPGuide> },
+        { "inkscape:page", make<SPPage> },
+        { "svg:hatch", make<SPHatch> },
+        { "svg:hatchpath", make<SPHatchPath> },
+        { "svg:hatchPath", [] () -> SPObject* {
+            std::cerr << "Warning: <hatchPath> has been renamed <hatchpath>" << std::endl;
+            return new SPHatchPath;
+        }},
+        { "svg:image", make<SPImage> },
+        { "svg:g", make<SPGroup> },
+        { "svg:line", make<SPLine> },
+        { "svg:linearGradient", make<SPLinearGradient> },
+        { "svg:marker", make<SPMarker> },
+        { "svg:mask", make<SPMask> },
+        { "svg:mesh", [] () -> SPObject* { // SVG 2 old
+             std::cerr << "Warning: <mesh> has been renamed <meshgradient>." << std::endl;
+             std::cerr << "Warning: <mesh> has been repurposed as a shape that tightly wraps a <meshgradient>." << std::endl;
+             return new SPMeshGradient;
+        }},
+        { "svg:meshGradient", [] () -> SPObject* { // SVG 2 old
+             std::cerr << "Warning: <meshGradient> has been renamed <meshgradient>" << std::endl;
+             return new SPMeshGradient;
+        }},
+        { "svg:meshgradient", [] () -> SPObject* { // SVG 2
+             return new SPMeshGradient;
+        }},
+        { "svg:meshPatch", [] () -> SPObject* {
+             std::cerr << "Warning: <meshPatch> and <meshRow> have been renamed <meshpatch> and <meshrow>" << std::endl;
+             return new SPMeshpatch;
+        }},
+        { "svg:meshpatch", make<SPMeshpatch> },
+        { "svg:meshRow", make<SPMeshrow> },
+        { "svg:meshrow", make<SPMeshrow> },
+        { "svg:metadata", make<SPMetadata> },
+        { "svg:missing-glyph", make<SPMissingGlyph> },
+        { "sodipodi:namedview", make<SPNamedView> },
+        { "inkscape:offset", make<SPOffset> },
+        { "svg:path", make<SPPath> },
+        { "svg:pattern", make<SPPattern> },
+        { "svg:polygon", make<SPPolygon> },
+        { "svg:polyline", make<SPPolyLine> },
+        { "svg:radialGradient", make<SPRadialGradient> },
+        { "svg:rect", make<SPRect> },
+        { "rect", make<SPRect> }, // LPE rect;
+        { "svg:svg", make<SPRoot> },
+        { "svg:script", make<SPScript> },
+        { "svg:solidColor", [] () -> SPObject* {
+            std::cerr << "Warning: <solidColor> has been renamed <solidcolor>" << std::endl;
+            return new SPSolidColor;
+        }},
+        { "svg:solidColor", [] () -> SPObject* {
+            std::cerr << "Warning: <solidColor> has been renamed <solidcolor>" << std::endl;
+            return new SPSolidColor;
+        }},
+        { "svg:solidcolor", make<SPSolidColor> },
+        { "spiral", make<SPSpiral> },
+        { "star", make<SPStar> },
+        { "svg:stop", make<SPStop> },
+        { "string", make<SPString> },
+        { "svg:style", make<SPStyleElem> },
+        { "svg:switch", make<SPSwitch> },
+        { "svg:symbol", make<SPSymbol> },
+        { "inkscape:tag", make<SPTag> },
+        { "inkscape:tagref", make<SPTagUse> },
+        { "svg:text", make<SPText> },
+        { "svg:title", make<SPTitle> },
+        { "svg:tref", make<SPTRef> },
+        { "svg:tspan", make<SPTSpan> },
+        { "svg:textPath", make<SPTextPath> },
+        { "svg:use", make<SPUse> },
+        { "inkscape:path-effect", make<LivePathEffectObject> },
+
+        // filters
+        { "svg:feBlend", make<SPFeBlend> },
+        { "svg:feColorMatrix", make<SPFeColorMatrix> },
+        { "svg:feComponentTransfer", make<SPFeComponentTransfer> },
+        { "svg:feFuncR", [] () -> SPObject* { return new SPFeFuncNode(SPFeFuncNode::R); }},
+        { "svg:feFuncG", [] () -> SPObject* { return new SPFeFuncNode(SPFeFuncNode::G); }},
+        { "svg:feFuncB", [] () -> SPObject* { return new SPFeFuncNode(SPFeFuncNode::B); }},
+        { "svg:feFuncA", [] () -> SPObject* { return new SPFeFuncNode(SPFeFuncNode::A); }},
+        { "svg:feComposite", make<SPFeComposite> },
+        { "svg:feConvolveMatrix", make<SPFeConvolveMatrix> },
+        { "svg:feDiffuseLighting", make<SPFeDiffuseLighting> },
+        { "svg:feDisplacementMap", make<SPFeDisplacementMap> },
+        { "svg:feDistantLight", make<SPFeDistantLight> },
+        { "svg:feFlood", make<SPFeFlood> },
+        { "svg:feGaussianBlur", make<SPGaussianBlur> },
+        { "svg:feImage", make<SPFeImage> },
+        { "svg:feMerge", make<SPFeMerge> },
+        { "svg:feMergeNode", make<SPFeMergeNode> },
+        { "svg:feMorphology", make<SPFeMorphology> },
+        { "svg:feOffset", make<SPFeOffset> },
+        { "svg:fePointLight", make<SPFePointLight> },
+        { "svg:feSpecularLighting", make<SPFeSpecularLighting> },
+        { "svg:feSpotLight", make<SPFeSpotLight> },
+        { "svg:feTile", make<SPFeTile> },
+        { "svg:feTurbulence", make<SPFeTurbulence> },
+        { "inkscape:grid", make<SPGrid> },
+
+        // ignore
+        { "rdf:RDF", null }, // no SP node yet
+        { "inkscape:clipboard", null }, // SP node not necessary
+        { "inkscape:templateinfo", null }, // metadata for templates
+        { "inkscape:_templateinfo", null }, // metadata for templates
+        { "", null } // comments
+    };
+};
+
+} // namespace
+
+SPObject *SPFactory::createObject(std::string const &id)
+{
+    return Factory::get().create(id);
+}
+
+bool SPFactory::supportsType(std::string const &id)
+{
+    return Factory::get().supportsId(id);
+}
+
+std::string NodeTraits::get_type_string(Inkscape::XML::Node const &node)
+{
+    switch (node.type()) {
+        case Inkscape::XML::NodeType::TEXT_NODE:
+            return "string";
+        case Inkscape::XML::NodeType::ELEMENT_NODE:
+            if (auto sptype = node.attribute("sodipodi:type")) {
+                return sptype;
+            }
+            return node.name();
+        default:
+            return "";
+    }
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :