1 files changed, 138 insertions, 0 deletions
diff --git a/src/extension/implementation/script.h b/src/extension/implementation/script.h
new file mode 100644
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--- /dev/null
+++ b/src/extension/implementation/script.h
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Code for handling extensions (i.e., scripts)
+ *
+ * Authors:
+ *   Bryce Harrington <bryce@osdl.org>
+ *   Ted Gould <ted@gould.cx>
+ *
+ * Copyright (C) 2002-2005 Authors
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#ifndef INKSCAPE_EXTENSION_IMPEMENTATION_SCRIPT_H_SEEN
+#define INKSCAPE_EXTENSION_IMPEMENTATION_SCRIPT_H_SEEN
+
+#include "implementation.h"
+#include <gtkmm/enums.h>
+#include <gtkmm/window.h>
+#include <glibmm/main.h>
+#include <glibmm/spawn.h>
+#include <glibmm/fileutils.h>
+
+namespace Inkscape {
+namespace XML {
+class Node;
+} // namespace XML
+
+namespace Extension {
+namespace Implementation {
+
+/**
+ * Utility class used for loading and launching script extensions
+ */
+class Script : public Implementation {
+public:
+
+    Script();
+    ~Script() override;
+    bool load(Inkscape::Extension::Extension *module) override;
+    void unload(Inkscape::Extension::Extension *module) override;
+    bool check(Inkscape::Extension::Extension *module) override;
+
+    ImplementationDocumentCache * newDocCache(Inkscape::Extension::Extension * ext, Inkscape::UI::View::View * view) override;
+
+    Gtk::Widget *prefs_input(Inkscape::Extension::Input *module, gchar const *filename) override;
+    SPDocument *open(Inkscape::Extension::Input *module, gchar const *filename) override;
+    Gtk::Widget *prefs_output(Inkscape::Extension::Output *module) override;
+    void save(Inkscape::Extension::Output *module, SPDocument *doc, gchar const *filename) override;
+    void export_raster(Inkscape::Extension::Output *module,
+            const SPDocument *doc, std::string const &png_file, gchar const *filename) override;
+    void effect(Inkscape::Extension::Effect *module, Inkscape::UI::View::View *doc, ImplementationDocumentCache * docCache) override;
+    bool cancelProcessing () override;
+
+private:
+    bool _canceled;
+    Glib::Pid _pid;
+    Glib::RefPtr<Glib::MainLoop> _main_loop;
+
+    /**
+     * The command that has been derived from
+     * the configuration file with appropriate directories
+     */
+    std::list<std::string> command;
+
+     /**
+      * This is the extension that will be used
+      * as the helper to read in or write out the
+      * data
+      */
+    Glib::ustring helper_extension;
+
+     /**
+      * The window which should be considered as "parent window" of the script execution,
+      * e.g. when showin warning messages
+      *
+      * If set to NULL the main window of the currently active document is used.
+      */
+    Gtk::Window *parent_window;
+
+    void copy_doc(Inkscape::XML::Node * olddoc, Inkscape::XML::Node * newdoc);
+    void checkStderr (Glib::ustring const& filename, Gtk::MessageType type, Glib::ustring const& message);
+
+    class file_listener {
+        Glib::ustring _string;
+        sigc::connection _conn;
+        Glib::RefPtr<Glib::IOChannel> _channel;
+        Glib::RefPtr<Glib::MainLoop> _main_loop;
+        bool _dead;
+
+    public:
+        file_listener () : _dead(false) { };
+        virtual ~file_listener () {
+            _conn.disconnect();
+        };
+
+        bool isDead () { return _dead; }
+        void init(int fd, Glib::RefPtr<Glib::MainLoop> main);
+        bool read(Glib::IOCondition condition);
+        Glib::ustring string () { return _string; };
+        bool toFile(const Glib::ustring &name);
+        bool toFile(const std::string &name);
+    };
+
+    int execute (const std::list<std::string> &in_command,
+                 const std::list<std::string> &in_params,
+                 const Glib::ustring &filein,
+                 file_listener &fileout);
+
+    void pump_events();
+
+    /** \brief  A definition of an interpreter, which can be specified
+        in the INX file, but we need to know what to call */
+    struct interpreter_t {
+	std::string              prefstring;   /**< The preferences key that can override the default */
+	std::vector<std::string> defaultvals;  /**< The default values to check if the preferences are wrong */
+    };
+    static const std::map<std::string, interpreter_t> interpreterTab;
+
+    std::string resolveInterpreterExecutable(const Glib::ustring &interpNameArg);
+
+}; // class Script
+}  // namespace Implementation
+}  // namespace Extension
+}  // namespace Inkscape
+
+#endif // INKSCAPE_EXTENSION_IMPEMENTATION_SCRIPT_H_SEEN
+
+/*
+  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 :