--- /dev/null
+/* === S I N F G =========================================================== */
+/*! \file loadcanvas.h
+** \brief writeme
+**
+** $Id: loadcanvas.h,v 1.1.1.1 2005/01/04 01:23:14 darco Exp $
+**
+** \legal
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This software and associated documentation
+** are CONFIDENTIAL and PROPRIETARY property of
+** the above-mentioned copyright holder.
+**
+** You may not copy, print, publish, or in any
+** other way distribute this software without
+** a prior written agreement with
+** the copyright holder.
+** \endlegal
+*/
+/* ========================================================================= */
+
+/* === S T A R T =========================================================== */
+
+#ifndef __SINFG_LOADCANVAS_H
+#define __SINFG_LOADCANVAS_H
+
+/* === H E A D E R S ======================================================= */
+
+#include "string.h"
+#include "canvas.h"
+#include "valuenode.h"
+#include "vector.h"
+#include "value.h"
+#include "valuenode_subtract.h"
+#include "valuenode_animated.h"
+#include "valuenode_composite.h"
+#include "valuenode_const.h"
+#include "valuenode_linear.h"
+#include "valuenode_dynamiclist.h"
+#include "valuenode_reference.h"
+#include "valuenode_timedswap.h"
+#include "keyframe.h"
+#include "guid.h"
+
+/* === M A C R O S ========================================================= */
+
+/* === T Y P E D E F S ===================================================== */
+
+/* === C L A S S E S & S T R U C T S ======================================= */
+
+namespace xmlpp { class Node; class Element; };
+
+namespace sinfg {
+
+/*! \class CanvasParser
+** \todo writeme
+*/
+class CanvasParser
+{
+ /*
+ -- ** -- D A T A -------------------------------------------------------------
+ */
+
+private:
+
+ int max_warnings_;
+
+ int total_warnings_;
+
+ int total_errors_;
+
+ bool allow_errors_;
+
+ String filename;
+
+ String path;
+
+ GUID guid_;
+
+ /*
+ -- ** -- C O N S T R U C T O R S ---------------------------------------------
+ */
+
+public:
+
+ CanvasParser():
+ max_warnings_ (1000),
+ total_warnings_ (0),
+ total_errors_ (0),
+ allow_errors_ (false)
+ { }
+
+ /*
+ -- ** -- M E M B E R F U N C T I O N S -------------------------------------
+ */
+
+public:
+
+ //! \todo writeme
+ CanvasParser &set_allow_errors(bool x) { allow_errors_=x; return *this; }
+
+ //! Sets the maximum number of warnings before a fatal error is thrown
+ CanvasParser &set_max_warnings(int i) { max_warnings_=i; return *this; }
+
+ //! Returns the maximum number of warnings before a fatal_error is thrown
+ int get_max_warnings() { return max_warnings_; }
+
+ //! Returns the number of errors in the last parse
+ int error_count()const { return total_errors_; }
+
+ //! Returns the number of warnings in the last parse
+ int warning_count()const { return total_warnings_; }
+
+ void set_path(const sinfg::String& x) { path=x; }
+
+ const sinfg::String& get_path()const { return path; }
+
+ //! \todo writeme
+ Canvas::Handle parse_from_file(const String &filename);
+
+ Canvas::Handle parse_from_file_as(const String &filename,const String &as);
+
+ //! \todo writeme
+ Canvas::Handle parse_from_string(const String &data);
+
+private:
+
+ // Error/Warning handling functions
+
+ void error(xmlpp::Node *node,const String &text);
+ void fatal_error(xmlpp::Node *node,const String &text);
+ void warning(xmlpp::Node *node,const String &text);
+ void error_unexpected_element(xmlpp::Node *node,const String &got, const String &expected);
+ void error_unexpected_element(xmlpp::Node *node,const String &got);
+
+ // Parsing Functions
+
+ Canvas::Handle parse_canvas(xmlpp::Element *node,Canvas::Handle parent=0,bool inline_=false, String path=".");
+ void parse_canvas_defs(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<Layer> parse_layer(xmlpp::Element *node,Canvas::Handle canvas);
+ ValueBase parse_value(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<ValueNode> parse_value_node(xmlpp::Element *node,Canvas::Handle canvas);
+
+ // ValueBase Parsing Functions
+
+ Real parse_real(xmlpp::Element *node,Canvas::Handle canvas);
+ Time parse_time(xmlpp::Element *node,Canvas::Handle canvas);
+ int parse_integer(xmlpp::Element *node,Canvas::Handle canvas);
+ Vector parse_vector(xmlpp::Element *node,Canvas::Handle canvas);
+ Color parse_color(xmlpp::Element *node,Canvas::Handle canvas);
+ Angle parse_angle(xmlpp::Element *node,Canvas::Handle canvas);
+ String parse_string(xmlpp::Element *node,Canvas::Handle canvas);
+ bool parse_bool(xmlpp::Element *node,Canvas::Handle canvas);
+ Segment parse_segment(xmlpp::Element *node,Canvas::Handle canvas);
+ ValueBase parse_list(xmlpp::Element *node,Canvas::Handle canvas);
+ Gradient parse_gradient(xmlpp::Element *node,Canvas::Handle canvas);
+ BLinePoint parse_bline_point(xmlpp::Element *node,Canvas::Handle canvas);
+
+ Keyframe parse_keyframe(xmlpp::Element *node,Canvas::Handle canvas);
+
+ // ValueNode Parsing Functions
+
+ etl::handle<ValueNode_Animated> parse_animated(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<ValueNode_Subtract> parse_subtract(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<ValueNode_Animated> parse_timedswap(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<LinkableValueNode> parse_linkable_value_node(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<ValueNode_Composite> parse_composite(xmlpp::Element *node,Canvas::Handle canvas);
+ etl::handle<ValueNode_DynamicList> parse_dynamic_list(xmlpp::Element *node,Canvas::Handle canvas);
+
+}; // END of CanvasParser
+
+/* === E X T E R N S ======================================================= */
+
+//! Loads a canvas from \a filename
+/*! \return The Canvas's handle on success, an empty handle on failure */
+extern Canvas::Handle open_canvas(const String &filename);
+extern Canvas::Handle open_canvas_as(const String &filename,const String &as);
+
+//! Retrieves a Canvas from a string in XML format
+extern Canvas::Handle string_to_canvas(const String &data);
+
+std::map<sinfg::String, etl::loose_handle<Canvas> >& get_open_canvas_map();
+
+}; // END of namespace sinfg
+
+/* === E N D =============================================================== */
+
+#endif
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