1 files changed, 328 insertions, 0 deletions
diff --git a/src/extension/init.cpp b/src/extension/init.cpp
new file mode 100644
index 0000000..5e291c1
--- /dev/null
+++ b/src/extension/init.cpp
@@ -0,0 +1,328 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * This is what gets executed to initialize all of the modules.  For
+ * the internal modules this involves executing their initialization
+ * functions, for external ones it involves reading their .spmodule
+ * files and bringing them into Sodipodi.
+ *
+ * Authors:
+ *   Ted Gould <ted@gould.cx>
+ *
+ * Copyright (C) 2002-2004 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"  // only include where actually required!
+#endif
+
+#ifdef HAVE_POPPLER
+# include "internal/pdfinput/pdf-input.h"
+#endif
+
+#include "path-prefix.h"
+
+#include "inkscape.h"
+
+#include <glibmm/fileutils.h>
+#include <glibmm/i18n.h>
+#include <glibmm/ustring.h>
+
+#include "system.h"
+#include "db.h"
+#include "internal/svgz.h"
+# include "internal/emf-inout.h"
+# include "internal/emf-print.h"
+# include "internal/wmf-inout.h"
+# include "internal/wmf-print.h"
+
+#include <cairo.h>
+#ifdef CAIRO_HAS_PDF_SURFACE
+# include "internal/cairo-renderer-pdf-out.h"
+#endif
+#ifdef CAIRO_HAS_PS_SURFACE
+# include "internal/cairo-ps-out.h"
+#endif
+#include "internal/png-output.h"
+#include "internal/pov-out.h"
+#include "internal/odf.h"
+#include "internal/latex-pstricks-out.h"
+#include "internal/latex-pstricks.h"
+#include "internal/gdkpixbuf-input.h"
+#include "internal/bluredge.h"
+#include "internal/gimpgrad.h"
+#include "internal/grid.h"
+#ifdef WITH_LIBWPG
+#include "internal/wpg-input.h"
+#endif
+#ifdef WITH_LIBVISIO
+#include "internal/vsd-input.h"
+#endif
+#ifdef WITH_LIBCDR
+#include "internal/cdr-input.h"
+#endif
+#include "preferences.h"
+#include "io/sys.h"
+#include "io/resource.h"
+
+#ifdef WITH_MAGICK
+#include <Magick++.h>
+#include "internal/bitmap/adaptiveThreshold.h"
+#include "internal/bitmap/addNoise.h"
+#include "internal/bitmap/blur.h"
+#include "internal/bitmap/channel.h"
+#include "internal/bitmap/charcoal.h"
+#include "internal/bitmap/colorize.h"
+#include "internal/bitmap/contrast.h"
+#include "internal/bitmap/crop.h"
+#include "internal/bitmap/cycleColormap.h"
+#include "internal/bitmap/despeckle.h"
+#include "internal/bitmap/edge.h"
+#include "internal/bitmap/emboss.h"
+#include "internal/bitmap/enhance.h"
+#include "internal/bitmap/equalize.h"
+#include "internal/bitmap/gaussianBlur.h"
+#include "internal/bitmap/implode.h"
+#include "internal/bitmap/level.h"
+#include "internal/bitmap/levelChannel.h"
+#include "internal/bitmap/medianFilter.h"
+#include "internal/bitmap/modulate.h"
+#include "internal/bitmap/negate.h"
+#include "internal/bitmap/normalize.h"
+#include "internal/bitmap/oilPaint.h"
+#include "internal/bitmap/opacity.h"
+#include "internal/bitmap/raise.h"
+#include "internal/bitmap/reduceNoise.h"
+#include "internal/bitmap/sample.h"
+#include "internal/bitmap/shade.h"
+#include "internal/bitmap/sharpen.h"
+#include "internal/bitmap/solarize.h"
+#include "internal/bitmap/spread.h"
+#include "internal/bitmap/swirl.h"
+//#include "internal/bitmap/threshold.h"
+#include "internal/bitmap/unsharpmask.h"
+#include "internal/bitmap/wave.h"
+#endif /* WITH_MAGICK */
+
+#include "internal/filter/filter.h"
+
+#include "init.h"
+
+using namespace Inkscape::IO::Resource;
+
+namespace Inkscape {
+namespace Extension {
+
+/** This is the extension that all files are that are pulled from
+    the extension directory and parsed */
+#define SP_MODULE_EXTENSION  "inx"
+
+static void check_extensions();
+
+/**
+ * \return    none
+ * \brief     Examines the given string preference and checks to see
+ *            that at least one of the registered extensions matches
+ *            it.  If not, a default is assigned.
+ * \param     pref_path        Preference path to update
+ * \param     pref_default     Default string to set
+ * \param     extension_family List of extensions to search
+ */
+static void
+update_pref(Glib::ustring const &pref_path,
+            gchar const *pref_default) 
+{
+    Glib::ustring pref = Inkscape::Preferences::get()->getString(pref_path);
+    if (!Inkscape::Extension::db.get( pref.data() ) /*missing*/) {
+        Inkscape::Preferences::get()->setString(pref_path, pref_default);
+    }
+}
+
+// A list of user extensions loaded, used for refreshing
+static std::vector<Glib::ustring> user_extensions;
+
+/**
+ * Invokes the init routines for internal modules.
+ *
+ * This should be a list of all the internal modules that need to initialized.  This is just a
+ * convenient place to put them.
+ */
+void
+init()
+{
+    /* TODO: Change to Internal */
+    Internal::Svg::init();
+    Internal::Svgz::init();
+
+#ifdef CAIRO_HAS_PDF_SURFACE
+    Internal::CairoRendererPdfOutput::init();
+#endif
+#ifdef CAIRO_HAS_PS_SURFACE
+    Internal::CairoPsOutput::init();
+    Internal::CairoEpsOutput::init();
+#endif
+#ifdef HAVE_POPPLER
+    Internal::PdfInput::init();
+#endif
+    Internal::PrintEmf::init();
+    Internal::Emf::init();
+    Internal::PrintWmf::init();
+    Internal::Wmf::init();
+    Internal::PngOutput::init();
+    Internal::PovOutput::init();
+    Internal::OdfOutput::init();
+    Internal::PrintLatex::init();
+    Internal::LatexOutput::init();
+#ifdef WITH_LIBWPG
+    Internal::WpgInput::init();
+#endif
+#ifdef WITH_LIBVISIO
+    Internal::VsdInput::init();
+#endif
+#ifdef WITH_LIBCDR
+    Internal::CdrInput::init();
+#endif
+
+    /* Effects */
+    Internal::BlurEdge::init();
+    Internal::GimpGrad::init();
+    Internal::Grid::init();
+
+    /* Raster Effects */
+#ifdef WITH_MAGICK
+    Magick::InitializeMagick(NULL);
+
+    Internal::Bitmap::AdaptiveThreshold::init();
+    Internal::Bitmap::AddNoise::init();
+    Internal::Bitmap::Blur::init();
+    Internal::Bitmap::Channel::init();
+    Internal::Bitmap::Charcoal::init();
+    Internal::Bitmap::Colorize::init();
+    Internal::Bitmap::Contrast::init();
+    Internal::Bitmap::Crop::init();
+    Internal::Bitmap::CycleColormap::init();
+    Internal::Bitmap::Edge::init();
+    Internal::Bitmap::Despeckle::init();
+    Internal::Bitmap::Emboss::init();
+    Internal::Bitmap::Enhance::init();
+    Internal::Bitmap::Equalize::init();
+    Internal::Bitmap::GaussianBlur::init();
+    Internal::Bitmap::Implode::init();
+    Internal::Bitmap::Level::init();
+    Internal::Bitmap::LevelChannel::init();
+    Internal::Bitmap::MedianFilter::init();
+    Internal::Bitmap::Modulate::init();
+    Internal::Bitmap::Negate::init();
+    Internal::Bitmap::Normalize::init();
+    Internal::Bitmap::OilPaint::init();
+    Internal::Bitmap::Opacity::init();
+    Internal::Bitmap::Raise::init();
+    Internal::Bitmap::ReduceNoise::init();
+    Internal::Bitmap::Sample::init();
+    Internal::Bitmap::Shade::init();
+    Internal::Bitmap::Sharpen::init();
+    Internal::Bitmap::Solarize::init();
+    Internal::Bitmap::Spread::init();
+    Internal::Bitmap::Swirl::init();
+    //Internal::Bitmap::Threshold::init();
+    Internal::Bitmap::Unsharpmask::init();
+    Internal::Bitmap::Wave::init();
+#endif /* WITH_MAGICK */
+
+    Internal::Filter::Filter::filters_all();
+
+    // User extensions first so they can over-ride
+    load_user_extensions();
+
+    for(auto &filename: get_filenames(SYSTEM, EXTENSIONS, {SP_MODULE_EXTENSION})) {
+        build_from_file(filename.c_str());
+    }
+
+    /* this is at the very end because it has several catch-alls
+     * that are possibly over-ridden by other extensions (such as
+     * svgz)
+     */
+    Internal::GdkpixbufInput::init();
+
+    /* now we need to check and make sure everyone is happy */
+    check_extensions();
+
+    /* This is a hack to deal with updating saved outdated module
+     * names in the prefs...
+     */
+    update_pref("/dialogs/save_as/default",
+                SP_MODULE_KEY_OUTPUT_SVG_INKSCAPE
+                // Inkscape::Extension::db.get_output_list()
+        );
+}
+
+void
+load_user_extensions()
+{
+    // There's no need to ask for SYSTEM extensions, just ask for user extensions.
+    for(auto &filename: get_filenames(USER, EXTENSIONS, {SP_MODULE_EXTENSION})) {
+        bool exist = false;
+        for(auto &filename2: user_extensions) {
+            if (filename == filename2) {
+                exist = true;
+                break;
+            }
+        }
+        if (!exist) {
+            build_from_file(filename.c_str());
+            user_extensions.push_back(filename);
+        }
+    }
+}
+
+/**
+ * Refresh user extensions
+ *
+ * Remember to call check_extensions() once completed.
+ */
+void
+refresh_user_extensions()
+{
+    load_user_extensions();
+    check_extensions();
+}
+
+
+static void
+check_extensions_internal(Extension *in_plug, gpointer in_data)
+{
+    int *count = (int *)in_data;
+
+    if (in_plug == nullptr) return;
+    if (!in_plug->deactivated() && !in_plug->check()) {
+         in_plug->deactivate();
+        (*count)++;
+    }
+}
+
+static void check_extensions()
+{
+    int count = 1;
+
+    Inkscape::Extension::Extension::error_file_open();
+    while (count != 0) {
+        count = 0;
+        db.foreach(check_extensions_internal, (gpointer)&count);
+    }
+    Inkscape::Extension::Extension::error_file_close();
+}
+
+} } /* namespace Inkscape::Extension */
+
+
+/*
+  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 :