1 /* === S I N F G =========================================================== */
2 /*! \file loadcanvas.cpp
5 ** $Id: loadcanvas.cpp,v 1.3 2005/01/04 23:40:44 darco Exp $
8 ** Copyright (c) 2002 Robert B. Quattlebaum Jr.
10 ** This software and associated documentation
11 ** are CONFIDENTIAL and PROPRIETARY property of
12 ** the above-mentioned copyright holder.
14 ** You may not copy, print, publish, or in any
15 ** other way distribute this software without
16 ** a prior written agreement with
17 ** the copyright holder.
20 /* ========================================================================= */
22 /* === H E A D E R S ======================================================= */
34 #include <ETL/stringf>
35 #include <libxml++/libxml++.h>
40 #include "loadcanvas.h"
41 #include "valuenode.h"
42 #include "valuenode_subtract.h"
43 #include "valuenode_animated.h"
44 #include "valuenode_composite.h"
45 #include "valuenode_const.h"
46 #include "valuenode_linear.h"
47 #include "valuenode_dynamiclist.h"
48 #include "valuenode_reference.h"
49 #include "valuenode_scale.h"
50 #include "valuenode_timedswap.h"
51 #include "valuenode_twotone.h"
52 #include "valuenode_stripes.h"
53 #include "valuenode_segcalctangent.h"
54 #include "valuenode_segcalcvertex.h"
55 #include "valuenode_bline.h"
60 #include "exception.h"
65 #include <sigc++/bind.h>
69 /* === U S I N G =========================================================== */
72 using namespace sinfg;
79 test_class() { assert(!bleh); bleh++; sinfg::info("test_class: initi: %d",bleh); }
80 ~test_class() { assert(bleh); sinfg::info("test_class: uninit: %d",bleh); bleh--; }
82 int test_class::bleh(0);
84 test_class test_class_instance;
87 /* === M A C R O S ========================================================= */
89 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
91 /* === P R O C E D U R E S ================================================= */
93 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
95 std::map<sinfg::String, etl::loose_handle<Canvas> >& sinfg::get_open_canvas_map()
98 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
99 return *open_canvas_map_;
102 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
104 static void _canvas_file_name_changed(Canvas *x)
106 std::map<sinfg::String, etl::loose_handle<Canvas> >::iterator iter;
108 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
111 assert(iter!=get_open_canvas_map().end());
112 if(iter==get_open_canvas_map().end())
114 get_open_canvas_map().erase(iter->first);
115 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
120 sinfg::open_canvas(const String &filename)
124 parser.set_allow_errors(true);
126 Canvas::Handle canvas=parser.parse_from_file(filename);
128 if(parser.error_count())
129 return Canvas::Handle();
135 sinfg::open_canvas_as(const String &filename,const String &as)
139 parser.set_allow_errors(true);
141 Canvas::Handle canvas=parser.parse_from_file_as(filename,as);
143 if(parser.error_count())
144 return Canvas::Handle();
150 sinfg::string_to_canvas(const String &data)
154 parser.set_allow_errors(true);
156 Canvas::Handle canvas=parser.parse_from_string(data);
158 if(parser.error_count())
159 return Canvas::Handle();
164 /* === M E T H O D S ======================================================= */
167 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
169 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
173 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
175 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
179 CanvasParser::warning(xmlpp::Node *element, const String &text)
181 string str=strprintf("%s:<%s>:%d: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
182 //sinfg::warning(str);
185 if(total_warnings_>=max_warnings_)
186 fatal_error(element, _("Too many warnings"));
190 CanvasParser::error(xmlpp::Node *element, const String &text)
192 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
195 throw runtime_error(str);
197 // sinfg::error(str);
201 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
203 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
204 throw runtime_error(str);
210 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
212 assert(element->get_name()=="keyframe");
214 if(!element->get_attribute("time"))
216 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
220 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
223 if(element->get_children().empty())
226 if(element->get_child_text()->get_content().empty())
229 ret.set_description(element->get_child_text()->get_content());
236 CanvasParser::parse_real(xmlpp::Element *element,Canvas::Handle canvas)
238 assert(element->get_name()=="real");
240 if(!element->get_children().empty())
241 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
243 if(!element->get_attribute("value"))
245 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
249 string val=element->get_attribute("value")->get_value();
251 return atof(val.c_str());
255 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
257 assert(element->get_name()=="time");
259 if(!element->get_children().empty())
260 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
262 if(!element->get_attribute("value"))
264 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
268 string val=element->get_attribute("value")->get_value();
270 return Time(val,canvas->rend_desc().get_frame_rate());
274 CanvasParser::parse_integer(xmlpp::Element *element,Canvas::Handle canvas)
276 assert(element->get_name()=="integer");
278 if(!element->get_children().empty())
279 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
281 if(!element->get_attribute("value"))
283 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
287 string val=element->get_attribute("value")->get_value();
289 return atoi(val.c_str());
293 CanvasParser::parse_vector(xmlpp::Element *element,Canvas::Handle canvas)
295 assert(element->get_name()=="vector");
297 if(element->get_children().empty())
299 error(element, "Undefined value in <vector>");
305 xmlpp::Element::NodeList list = element->get_children();
306 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
308 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
312 if(child->get_name()=="x")
314 if(child->get_children().empty())
316 error(element, "Undefined value in <x>");
319 xmlpp::TextNode *text=dynamic_cast<xmlpp::TextNode*>(child->get_children().front());
322 error(element,"I need a number, not an element!");
325 vect[0]=atof(text->get_content().c_str());
328 if(child->get_name()=="y")
330 if(child->get_children().empty())
332 error(element, "Undefined value in <y>");
335 xmlpp::TextNode *text=dynamic_cast<xmlpp::TextNode*>(child->get_children().front());
338 error(element,"I need a number, not an element!");
341 vect[1]=atof(text->get_content().c_str());
344 error_unexpected_element(child,child->get_name());
350 CanvasParser::parse_color(xmlpp::Element *element,Canvas::Handle canvas)
352 assert(element->get_name()=="color");
354 if(element->get_children().empty())
356 error(element, "Undefined value in <color>");
362 xmlpp::Element::NodeList list = element->get_children();
363 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
365 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
369 if(child->get_name()=="r")
371 if(child->get_children().empty())
373 error(element, "Undefined value in <r>");
376 color.set_r(atof(child->get_child_text()->get_content().c_str()));
379 if(child->get_name()=="g")
381 if(child->get_children().empty())
383 error(element, "Undefined value in <g>");
386 color.set_g(atof(child->get_child_text()->get_content().c_str()));
389 if(child->get_name()=="b")
391 if(child->get_children().empty())
393 error(element, "Undefined value in <b>");
396 color.set_b(atof(child->get_child_text()->get_content().c_str()));
399 if(child->get_name()=="a")
401 if(child->get_children().empty())
403 error(element, "Undefined value in <a>");
406 color.set_a(atof(child->get_child_text()->get_content().c_str()));
409 error_unexpected_element(child,child->get_name());
416 CanvasParser::parse_string(xmlpp::Element *element,Canvas::Handle canvas)
418 assert(element->get_name()=="string");
420 if(element->get_children().empty())
422 warning(element, "Undefined value in <string>");
423 return sinfg::String();
426 if(element->get_child_text()->get_content().empty())
428 warning(element, "Content element of <string> appears to be empty");
429 return sinfg::String();
432 return element->get_child_text()->get_content();
436 CanvasParser::parse_bool(xmlpp::Element *element,Canvas::Handle canvas)
438 assert(element->get_name()=="bool");
440 if(!element->get_children().empty())
441 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
443 if(!element->get_attribute("value"))
445 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
449 string val=element->get_attribute("value")->get_value();
451 if(val=="true" || val=="1")
453 if(val=="false" || val=="0")
456 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
462 CanvasParser::parse_gradient(xmlpp::Element *node,Canvas::Handle canvas)
464 assert(node->get_name()=="gradient");
467 xmlpp::Element::NodeList list = node->get_children();
468 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
470 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
475 Gradient::CPoint cpoint;
476 cpoint.color=parse_color(child,canvas);
478 if(!child->get_attribute("pos"))
480 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
484 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
486 ret.push_back(cpoint);
494 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
496 vector<ValueBase> value_list;
498 xmlpp::Element::NodeList list = element->get_children();
499 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
501 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
506 value_list.push_back(parse_value(child,canvas));
507 if(!value_list.back().is_valid())
509 value_list.pop_back();
510 error(child,"Bad ValueBase");
519 CanvasParser::parse_segment(xmlpp::Element *element,Canvas::Handle canvas)
521 assert(element->get_name()=="segment");
523 if(element->get_children().empty())
525 error(element, "Undefined value in <segment>");
531 xmlpp::Element::NodeList list = element->get_children();
532 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
534 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
538 if(child->get_name()=="p1")
540 xmlpp::Element::NodeList list = child->get_children();
541 xmlpp::Element::NodeList::iterator iter;
543 // Search for the first non-text XML element
544 for(iter = list.begin(); iter != list.end(); ++iter)
545 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
549 error(element, "Undefined value in <p1>");
553 if((*iter)->get_name()!="vector")
555 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
559 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
562 if(child->get_name()=="t1")
564 xmlpp::Element::NodeList list = child->get_children();
565 xmlpp::Element::NodeList::iterator iter;
567 // Search for the first non-text XML element
568 for(iter = list.begin(); iter != list.end(); ++iter)
569 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
573 error(element, "Undefined value in <t1>");
577 if((*iter)->get_name()!="vector")
579 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
583 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
586 if(child->get_name()=="p2")
588 xmlpp::Element::NodeList list = child->get_children();
589 xmlpp::Element::NodeList::iterator iter;
591 // Search for the first non-text XML element
592 for(iter = list.begin(); iter != list.end(); ++iter)
593 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
597 error(element, "Undefined value in <p2>");
601 if((*iter)->get_name()!="vector")
603 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
607 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
610 if(child->get_name()=="t2")
612 xmlpp::Element::NodeList list = child->get_children();
613 xmlpp::Element::NodeList::iterator iter;
615 // Search for the first non-text XML element
616 for(iter = list.begin(); iter != list.end(); ++iter)
617 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
621 error(element, "Undefined value in <t2>");
625 if((*iter)->get_name()!="vector")
627 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
631 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas);
634 error_unexpected_element(child,child->get_name());
640 CanvasParser::parse_bline_point(xmlpp::Element *element,Canvas::Handle canvas)
642 assert(element->get_name()=="bline_point");
643 if(element->get_children().empty())
645 error(element, "Undefined value in <bline_point>");
650 ret.set_split_tangent_flag(false);
652 xmlpp::Element::NodeList list = element->get_children();
653 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
655 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
660 if(child->get_name()[0]=='v' || child->get_name()=="p1")
662 xmlpp::Element::NodeList list = child->get_children();
663 xmlpp::Element::NodeList::iterator iter;
665 // Search for the first non-text XML element
666 for(iter = list.begin(); iter != list.end(); ++iter)
667 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
671 error(element, "Undefined value in <vertex>");
675 if((*iter)->get_name()!="vector")
677 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
681 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
685 if(child->get_name()=="t1" || child->get_name()=="tangent")
687 xmlpp::Element::NodeList list = child->get_children();
688 xmlpp::Element::NodeList::iterator iter;
690 // Search for the first non-text XML element
691 for(iter = list.begin(); iter != list.end(); ++iter)
692 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
696 error(element, "Undefined value in <t1>");
700 if((*iter)->get_name()!="vector")
702 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
706 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
710 if(child->get_name()=="t2")
712 xmlpp::Element::NodeList list = child->get_children();
713 xmlpp::Element::NodeList::iterator iter;
715 // Search for the first non-text XML element
716 for(iter = list.begin(); iter != list.end(); ++iter)
717 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
721 error(element, "Undefined value in <t2>");
725 if((*iter)->get_name()!="vector")
727 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
731 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter),canvas));
732 ret.set_split_tangent_flag(true);
736 if(child->get_name()=="width")
738 xmlpp::Element::NodeList list = child->get_children();
739 xmlpp::Element::NodeList::iterator iter;
741 // Search for the first non-text XML element
742 for(iter = list.begin(); iter != list.end(); ++iter)
743 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
747 error(element, "Undefined value in <width>");
751 if((*iter)->get_name()!="real")
753 error_unexpected_element((*iter),(*iter)->get_name(),"real");
757 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter),canvas));
761 if(child->get_name()=="origin")
763 xmlpp::Element::NodeList list = child->get_children();
764 xmlpp::Element::NodeList::iterator iter;
766 // Search for the first non-text XML element
767 for(iter = list.begin(); iter != list.end(); ++iter)
768 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
772 error(element, "Undefined value in <origin>");
776 if((*iter)->get_name()!="real")
778 error_unexpected_element((*iter),(*iter)->get_name(),"real");
782 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter),canvas));
785 error_unexpected_element(child,child->get_name());
791 CanvasParser::parse_angle(xmlpp::Element *element,Canvas::Handle canvas)
793 assert(element->get_name()=="angle");
795 if(!element->get_children().empty())
796 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
798 if(!element->get_attribute("value"))
800 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
804 string val=element->get_attribute("value")->get_value();
806 return Angle::deg(atof(val.c_str()));
810 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
812 if(element->get_name()=="real")
813 return parse_real(element,canvas);
815 if(element->get_name()=="time")
816 return parse_time(element,canvas);
818 if(element->get_name()=="integer")
819 return parse_integer(element,canvas);
821 if(element->get_name()=="string")
822 return parse_string(element,canvas);
824 if(element->get_name()=="vector")
826 return parse_vector(element,canvas);
829 if(element->get_name()=="color")
830 return parse_color(element,canvas);
832 if(element->get_name()=="segment")
833 return parse_segment(element,canvas);
835 if(element->get_name()=="list")
836 return parse_list(element,canvas);
838 if(element->get_name()=="gradient")
839 return parse_gradient(element,canvas);
841 if(element->get_name()=="bool")
842 return parse_bool(element,canvas);
844 //if(element->get_name()=="canvas")
845 // return parse_canvas(element,canvas,true); // inline canvas
847 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
848 return parse_angle(element,canvas);
850 if(element->get_name()=="bline_point")
851 return parse_bline_point(element,canvas);
853 if(element->get_name()=="canvas")
854 return ValueBase(parse_canvas(element,canvas,true));
858 error_unexpected_element(element,element->get_name());
867 ValueNode_Animated::Handle
868 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
870 assert(element->get_name()=="hermite" || element->get_name()=="animated");
872 if(!element->get_attribute("type"))
874 error(element,"Missing attribute \"type\" in <animated>");
875 return ValueNode_Animated::Handle();
878 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
882 error(element,"Bad type in <animated>");
883 return ValueNode_Animated::Handle();
886 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
890 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_name(type).c_str()));
891 return ValueNode_Animated::Handle();
894 value_node->set_root_canvas(canvas->get_root());
896 xmlpp::Element::NodeList list = element->get_children();
897 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
899 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
903 if(child->get_name()=="waypoint")
905 if(!child->get_attribute("time"))
907 error(child,_("<waypoint> is missing attribute \"time\""));
911 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
914 ValueNode::Handle waypoint_value_node;
916 if(child->get_attribute("use"))
918 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
922 if(child->get_children().empty())
924 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
928 xmlpp::Element::NodeList list = child->get_children();
929 xmlpp::Element::NodeList::iterator iter;
931 // Search for the first non-text XML element
932 for(iter = list.begin(); iter != list.end(); ++iter)
933 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
937 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
941 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
944 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
948 error(child,_("Bad data for <waypoint>"));
952 if(!waypoint_value_node)
954 error(child,_("Bad data for <waypoint>"));
958 /*! HACK -- This is a temporary fix to help repair some
959 ** weirdness that is currently going on (10-21-2004).
960 ** This short circuits the linking of waypoints,
961 ** a feature which is so obscure that we can get
962 ** away with something like this pretty easily.
964 waypoint_value_node=waypoint_value_node->clone();
966 // Warn if there is trash after the param value
967 for(iter++; iter != list.end(); ++iter)
968 if(dynamic_cast<xmlpp::Element*>(*iter))
969 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
974 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
976 if(child->get_attribute("tension"))
978 sinfg::String str(child->get_attribute("tension")->get_value());
979 waypoint->set_tension(atof(str.c_str()));
981 if(child->get_attribute("temporal-tension"))
983 sinfg::String str(child->get_attribute("temporal-tension")->get_value());
984 waypoint->set_time_tension(atof(str.c_str()));
986 if(child->get_attribute("continuity"))
988 sinfg::String str(child->get_attribute("continuity")->get_value());
989 waypoint->set_continuity(atof(str.c_str()));
991 if(child->get_attribute("bias"))
993 sinfg::String str(child->get_attribute("bias")->get_value());
994 waypoint->set_bias(atof(str.c_str()));
997 if(child->get_attribute("before"))
999 string val=child->get_attribute("before")->get_value();
1001 waypoint->set_before(INTERPOLATION_HALT);
1002 else if(val=="constant")
1003 waypoint->set_before(INTERPOLATION_CONSTANT);
1004 else if(val=="linear")
1005 waypoint->set_before(INTERPOLATION_LINEAR);
1006 else if(val=="manual")
1007 waypoint->set_before(INTERPOLATION_MANUAL);
1008 else if(val=="auto")
1009 waypoint->set_before(INTERPOLATION_TCB);
1011 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1014 if(child->get_attribute("after"))
1016 string val=child->get_attribute("after")->get_value();
1018 waypoint->set_after(INTERPOLATION_HALT);
1019 else if(val=="constant")
1020 waypoint->set_after(INTERPOLATION_CONSTANT);
1021 else if(val=="linear")
1022 waypoint->set_after(INTERPOLATION_LINEAR);
1023 else if(val=="manual")
1024 waypoint->set_after(INTERPOLATION_MANUAL);
1025 else if(val=="auto")
1026 waypoint->set_after(INTERPOLATION_TCB);
1028 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1031 catch(Exception::BadTime x)
1033 warning(child,x.what());
1039 error_unexpected_element(child,child->get_name());
1041 value_node->changed();
1045 // This function is a phase-out hack for the timed swap value node
1046 etl::handle<ValueNode_Animated>
1047 CanvasParser::parse_timedswap(xmlpp::Element *node,Canvas::Handle canvas)
1049 ValueNode_TimedSwap::Handle timed_swap(parse_linkable_value_node(node,canvas));
1053 ValueNode_Animated::Handle animated(ValueNode_Animated::create(timed_swap->get_type()));
1055 animated->set_root_canvas(canvas->get_root());
1059 Time swap_time, swap_length;
1060 (*timed_swap->get_swap_time())(0).put(&swap_time);
1061 (*timed_swap->get_swap_length())(0).put(&swap_length);
1063 animated->new_waypoint(swap_time-swap_length,timed_swap->get_before());
1064 animated->new_waypoint(swap_time,timed_swap->get_after());
1070 handle<ValueNode_Subtract>
1071 CanvasParser::parse_subtract(xmlpp::Element *element,Canvas::Handle canvas)
1073 assert(element->get_name()=="subtract");
1075 handle<ValueNode_Subtract> value_node;
1076 handle<ValueNode> lhs,rhs,scalar;
1078 if(element->get_attribute("type"))
1080 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1084 error(element,"Bad type in <subtract>");
1085 return ValueNode_Subtract::Handle();
1087 value_node=ValueNode_Subtract::create(type);
1090 value_node=ValueNode_Subtract::create();
1094 error(element,strprintf(_("Unable to create <subtract>")));
1095 return handle<ValueNode_Subtract>();
1098 //if(element->get_attribute("scalar"))
1100 // value_node->set_scalar(atof(element->get_attribute("scalar")->get_value().c_str()));
1105 if(element->get_attribute("scalar"))
1107 // This is for compatibility with older versions of the file format
1108 String value(element->get_attribute("scalar")->get_value());
1109 if((value[0]<='9' && value[0]>='0') || value[0]=='-')
1111 warning(element, _("Use of a real value where the ID should be is deprecated"));
1112 value_node->set_scalar(atof(value.c_str()));
1115 value_node->set_scalar(canvas->surefind_value_node(value));
1116 scalar=value_node->get_scalar();
1119 if(element->get_attribute("lhs"))
1121 lhs=canvas->surefind_value_node(element->get_attribute("lhs")->get_value());
1122 value_node->set_lhs(lhs);
1125 if(element->get_attribute("rhs"))
1127 rhs=canvas->surefind_value_node(element->get_attribute("rhs")->get_value());
1128 value_node->set_rhs(rhs);
1131 catch (Exception::IDNotFound)
1133 error(element,"attribute in <subtract> references unknown ID");
1135 catch (Exception::FileNotFound)
1137 error(element,"Unable to open external file referenced in ID");
1140 xmlpp::Element::NodeList list = element->get_children();
1141 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1143 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1147 if(child->get_name()=="lhs")
1151 error(child,"LHS component of <subtract> already defined!");
1155 xmlpp::Element::NodeList list = child->get_children();
1156 xmlpp::Element::NodeList::iterator iter;
1158 // Search for the first non-text XML element
1159 for(iter = list.begin(); iter != list.end(); ++iter)
1160 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1162 if(iter==list.end())
1164 error(child,_("<lhs> is missing its contents"));
1168 lhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1171 value_node->set_lhs(lhs);
1174 error((*iter),"Parse of LHS ValueNode failed");
1177 // \todo do a search for more elements and warn if they are found
1180 if(child->get_name()=="rhs")
1184 error(child,"RHS component of <subtract> already defined!");
1188 xmlpp::Element::NodeList list = child->get_children();
1189 xmlpp::Element::NodeList::iterator iter;
1191 // Search for the first non-text XML element
1192 for(iter = list.begin(); iter != list.end(); ++iter)
1193 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1195 if(iter==list.end())
1197 error(child,_("<rhs> is missing its contents"));
1201 rhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1204 value_node->set_rhs(rhs);
1207 error((*iter),"Parse of RHS ValueNode failed");
1210 // \todo do a search for more elements and warn if they are found
1213 if(child->get_name()=="scalar")
1217 error(child,"scalar component of <subtract> already defined!");
1221 xmlpp::Element::NodeList list = child->get_children();
1222 xmlpp::Element::NodeList::iterator iter;
1224 // Search for the first non-text XML element
1225 for(iter = list.begin(); iter != list.end(); ++iter)
1226 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1228 if(iter==list.end())
1230 error(child,_("<scalar> is missing its contents"));
1234 scalar=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1237 value_node->set_scalar(scalar);
1240 error((*iter),"Parse of scalar ValueNode failed");
1243 // \todo do a search for more elements and warn if they are found
1246 error_unexpected_element(child,child->get_name());
1249 if(!value_node->get_rhs() || !value_node->get_lhs() || !value_node->get_scalar())
1250 error(element,"<subtract> is missing LHS, RHS, or SCALAR");
1252 if(value_node->get_rhs() == value_node->get_lhs())
1253 warning(element,"LHS is equal to RHS in <subtract>, so this value_node will always be zero!");
1258 etl::handle<LinkableValueNode>
1259 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1261 handle<LinkableValueNode> value_node;
1262 ValueBase::Type type;
1264 // Determine the type
1265 if(element->get_attribute("type"))
1267 type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1271 error(element,"Bad type in ValueNode");
1277 error(element,"Missing type in ValueNode");
1281 value_node=LinkableValueNode::create(element->get_name(),type);
1285 error(element,"Unknown ValueNode type "+element->get_name());
1289 if(value_node->get_type()!=type)
1291 error(element,"ValueNode did not accept type");
1295 value_node->set_root_canvas(canvas->get_root());
1298 for(i=0;i<value_node->link_count();i++)
1300 if(element->get_attribute(value_node->link_name(i)))
1302 String id(element->get_attribute(value_node->link_name(i))->get_value());
1304 if(!value_node->set_link(i,
1305 canvas->surefind_value_node(
1309 ) error(element,strprintf(_("Unable to set link \"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),value_node->link_name(i).c_str(),id.c_str(),i,value_node->get_name().c_str()));
1311 catch(Exception::IDNotFound)
1313 error(element,"Unable to resolve "+element->get_attribute(value_node->link_name(i))->get_value());
1315 catch(Exception::FileNotFound)
1317 error(element,"Unable to open file referenced in "+element->get_attribute(value_node->link_name(i))->get_value());
1321 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""),
1322 element->get_attribute(value_node->link_name(i))->get_value().c_str()));
1329 xmlpp::Element::NodeList list = element->get_children();
1330 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1332 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1337 int index=value_node->get_link_index_from_name(child->get_name());
1339 xmlpp::Element::NodeList list = child->get_children();
1340 xmlpp::Element::NodeList::iterator iter;
1342 // Search for the first non-text XML element
1343 for(iter = list.begin(); iter != list.end(); ++iter)
1344 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1346 if(iter==list.end())
1348 error(child,_("element is missing its contents"));
1352 ValueNode::Handle link=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1356 error((*iter),"Parse of ValueNode failed");
1359 if(!value_node->set_link(index,link))
1361 //error(dynamic_cast<xmlpp::Element*>(*iter),strprintf("Unable to connect value node ('%s' of type '%s') to link %d",link->get_name().c_str(),ValueBase::type_name(link->get_type()).c_str(),index));
1362 error(element,strprintf("Unable to connect value node ('%s' of type '%s') to link %d",link->get_name().c_str(),ValueBase::type_name(link->get_type()).c_str(),index));
1365 // \todo do a search for more elements and warn if they are found
1368 catch(Exception::BadLinkName)
1370 error_unexpected_element(child,child->get_name());
1374 error(child,strprintf(_("Unknown Exception thrown when working on element \"%s\""),child->get_name().c_str()));
1382 handle<ValueNode_Composite>
1383 CanvasParser::parse_composite(xmlpp::Element *element,Canvas::Handle canvas)
1385 assert(element->get_name()=="composite");
1387 if(!element->get_attribute("type"))
1389 error(element,"Missing attribute \"type\" in <composite>");
1390 return handle<ValueNode_Composite>();
1393 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1397 error(element,"Bad type in <composite>");
1398 return handle<ValueNode_Composite>();
1401 handle<ValueNode_Composite> value_node=ValueNode_Composite::create(type);
1402 handle<ValueNode> c[6];
1406 error(element,strprintf(_("Unable to create <composite>")));
1407 return handle<ValueNode_Composite>();
1412 for(i=0;i<value_node->link_count();i++)
1414 string name=strprintf("c%d",i+1);
1417 error(element,name+" was already defined in <composite>");
1420 if(element->get_attribute(name))
1422 c[i]=canvas->surefind_value_node(element->get_attribute(name)->get_value());
1425 if(!value_node->set_link(i,c[i]))
1427 error(element,'"'+name+"\" attribute in <composite> has bad type");
1431 error(element,'"'+name+"\" attribute in <composite> references unknown ID");
1435 xmlpp::Element::NodeList list = element->get_children();
1436 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1438 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1442 for(i=0;i<value_node->link_count();i++)
1444 string name=strprintf("c%d",i+1);
1445 if(child->get_name()==name)
1449 error(child,name+" was already defined in <composite>");
1453 xmlpp::Element::NodeList list = child->get_children();
1454 xmlpp::Element::NodeList::iterator iter;
1456 // Search for the first non-text XML element
1457 for(iter = list.begin(); iter != list.end(); ++iter)
1458 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1460 if(iter==list.end())
1462 error(child,strprintf(_("<%s> is missing its contents"),name.c_str()));
1466 c[i]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1470 error((*iter),"Parse of "+name+" ValueNode failed");
1474 if(!value_node->set_link(i,c[i]))
1476 error(child,strprintf(_("<%s> has a bad value"),name.c_str()));
1480 // \todo do a search for more elements and warn if they are found
1484 // somewhat of a hack, but it works
1485 if(i==value_node->link_count()) error_unexpected_element(child,child->get_name());
1488 switch(value_node->link_count())
1491 if(!value_node->get_link(0))
1493 error(element,"<composite> is missing parameters");
1494 return handle<ValueNode_Composite>();
1498 if(!value_node->get_link(0) ||!value_node->get_link(1))
1500 error(element,"<composite> is missing parameters");
1501 return handle<ValueNode_Composite>();
1505 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2))
1507 error(element,"<composite> is missing parameters");
1508 return handle<ValueNode_Composite>();
1512 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2) ||!value_node->get_link(3))
1514 error(element,"<composite> is missing parameters");
1515 return handle<ValueNode_Composite>();
1522 // This will also parse a bline
1523 handle<ValueNode_DynamicList>
1524 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1526 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1528 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1530 if(!element->get_attribute("type"))
1532 error(element,"Missing attribute \"type\" in <dynamic_list>");
1533 return handle<ValueNode_DynamicList>();
1536 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1540 error(element,"Bad type in <dynamic_list>");
1541 return handle<ValueNode_DynamicList>();
1544 handle<ValueNode_DynamicList> value_node;
1545 handle<ValueNode_BLine> bline_value_node;
1547 if(element->get_name()=="bline")
1549 value_node=bline_value_node=ValueNode_BLine::create();
1550 if(element->get_attribute("loop"))
1552 String loop=element->get_attribute("loop")->get_value();
1553 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1554 bline_value_node->set_loop(true);
1556 bline_value_node->set_loop(false);
1561 value_node=ValueNode_DynamicList::create(type);
1565 error(element,strprintf(_("Unable to create <dynamic_list>")));
1566 return handle<ValueNode_DynamicList>();
1569 value_node->set_root_canvas(canvas->get_root());
1571 xmlpp::Element::NodeList list = element->get_children();
1572 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1574 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1578 if(child->get_name()=="entry")
1580 ValueNode_DynamicList::ListEntry list_entry;
1582 // Parse begin/end waypoints
1584 typedef sinfg::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1585 typedef sinfg::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1587 String begin_sequence;
1588 String end_sequence;
1590 ActivepointList &timing_info(list_entry.timing_info);
1592 if(child->get_attribute("begin"))
1593 begin_sequence=child->get_attribute("begin")->get_value();
1595 if(child->get_attribute("on"))
1596 begin_sequence=child->get_attribute("on")->get_value();
1598 if(child->get_attribute("end"))
1599 end_sequence=child->get_attribute("end")->get_value();
1601 if(child->get_attribute("off"))
1602 end_sequence=child->get_attribute("off")->get_value();
1604 // clear out any auto-start
1605 if(!begin_sequence.empty())
1606 timing_info.clear();
1609 while(!begin_sequence.empty())
1611 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1612 String timecode(begin_sequence.begin(), iter);
1615 // If there is a priority, then grab it and remove
1616 // it from the timecode
1617 if(timecode[0]=='p')
1619 //priority=timecode[1]-'0';
1620 //timecode=String(timecode.begin()+3,timecode.end());
1621 int space=timecode.find_first_of(' ');
1622 priority=atoi(String(timecode,1,space-1).c_str());
1623 timecode=String(timecode.begin()+space+1,timecode.end());
1624 //sinfg::info("priority: %d timecode: %s",priority,timecode.c_str());
1627 timing_info.push_back(
1633 true, // Mark as a "on" activepoint
1638 if(iter==begin_sequence.end())
1639 begin_sequence.clear();
1641 begin_sequence=String(iter+1,begin_sequence.end());
1645 while(!end_sequence.empty())
1647 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1648 String timecode(end_sequence.begin(), iter);
1651 // If there is a priority, then grab it and remove
1652 // it from the timecode
1653 if(timecode[0]=='p')
1655 //priority=timecode[1]-'0';
1656 //timecode=String(timecode.begin()+3,timecode.end());
1657 int space=timecode.find_first_of(' ');
1658 priority=atoi(String(timecode,1,space-1).c_str());
1659 timecode=String(timecode.begin()+space+1,timecode.end());
1660 //sinfg::info("priority: %d timecode: %s",priority,timecode.c_str());
1663 timing_info.push_back(
1669 false, // Mark as a "off" activepoint
1673 if(iter==end_sequence.end())
1674 end_sequence.clear();
1676 end_sequence=String(iter+1,end_sequence.end());
1682 if(child->get_attribute("use"))
1684 string id=child->get_attribute("use")->get_value();
1687 list_entry.value_node=canvas->surefind_value_node(id);
1689 catch(Exception::IDNotFound)
1691 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1697 xmlpp::Element::NodeList list = child->get_children();
1698 xmlpp::Element::NodeList::iterator iter;
1700 // Search for the first non-text XML element
1701 for(iter = list.begin(); iter != list.end(); ++iter)
1702 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1704 if(iter==list.end())
1706 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1710 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1712 if(!list_entry.value_node)
1713 error((*iter),"Parse of ValueNode failed");
1715 // \todo do a search for more elements and warn if they are found
1719 value_node->add(list_entry);
1720 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1723 error_unexpected_element(child,child->get_name());
1729 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1731 handle<ValueNode> value_node;
1736 if(element->get_attribute("guid"))
1738 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1739 value_node=guid_cast<ValueNode>(guid);
1744 // If ValueBase::ident_type() recognises the name, then we know it's a ValueBase
1745 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1747 ValueBase data=parse_value(element,canvas);
1749 if(!data.is_valid())
1751 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1755 // We want to convert this ValueBase into a
1756 // ValueNode_Const. That way, we can treat the
1757 // ID like any other Datanode. Think of this
1758 // as a shorthand for creating constant ValueNodes.
1760 value_node=ValueNode_Const::create(data);
1763 if(element->get_name()=="hermite" || element->get_name()=="animated")
1764 value_node=parse_animated(element,canvas);
1766 if(element->get_name()=="subtract")
1767 value_node=parse_subtract(element,canvas);
1769 if(element->get_name()=="composite")
1770 value_node=parse_composite(element,canvas);
1772 if(element->get_name()=="dynamic_list")
1773 value_node=parse_dynamic_list(element,canvas);
1775 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1776 value_node=parse_dynamic_list(element,canvas);
1778 if(element->get_name()=="timed_swap")
1779 value_node=parse_timedswap(element,canvas);
1781 if(LinkableValueNode::book().count(element->get_name()))
1782 value_node=parse_linkable_value_node(element,canvas);
1784 if(element->get_name()=="canvas")
1785 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1788 error_unexpected_element(element,element->get_name());
1789 error(element, "Expected a ValueNode");
1793 value_node->set_root_canvas(canvas->get_root());
1796 // If we were successful, and our element has
1797 // an ID attribute, go ahead and add it to the
1799 if(value_node && element->get_attribute("id"))
1801 string id=element->get_attribute("id")->get_value();
1803 //value_node->set_id(id);
1805 // If there is already a value_node in the list
1806 // with the same ID, then that is an error
1807 try { canvas->add_value_node(value_node,id); }
1808 catch(Exception::BadLinkName)
1810 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1813 catch(Exception::IDAlreadyExists)
1815 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1820 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1824 value_node->set_guid(guid);
1829 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1831 assert(element->get_name()=="defs");
1832 xmlpp::Element::NodeList list = element->get_children();
1833 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1835 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1839 if(child->get_name()=="canvas")
1840 parse_canvas(child, canvas);
1842 parse_value_node(child,canvas);
1847 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1850 assert(element->get_name()=="layer");
1851 Layer::Handle layer;
1853 if(!element->get_attribute("type"))
1855 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1856 return Layer::Handle();
1859 layer=Layer::create(element->get_attribute("type")->get_value());
1860 layer->set_canvas(canvas);
1862 if(element->get_attribute("group"))
1864 layer->add_to_group(
1865 element->get_attribute("group")->get_value()
1869 // Handle the version attribute
1870 if(element->get_attribute("version"))
1872 String version(element->get_attribute("version")->get_value());
1873 if(version>layer->get_version())
1874 warning(element,_("Installed layer version is larger than layer version in file"));
1875 if(version!=layer->get_version())
1876 layer->set_version(version);
1879 // Handle the description
1880 if(element->get_attribute("desc"))
1881 layer->set_description(element->get_attribute("desc")->get_value());
1883 if(element->get_attribute("active"))
1884 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1886 xmlpp::Element::NodeList list = element->get_children();
1887 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1889 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1893 if(child->get_name()=="name")
1894 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1896 if(child->get_name()=="desc")
1897 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1899 if(child->get_name()=="param")
1901 xmlpp::Element::NodeList list = child->get_children();
1903 if(!child->get_attribute("name"))
1905 error(child,_("Missing \"name\" attribute for <param>."));
1909 String param_name=child->get_attribute("name")->get_value();
1911 if(child->get_attribute("use"))
1913 // If the "use" attribute is used, then the
1914 // element should be empty. Warn the user if
1915 // we find otherwise.
1917 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1919 String str= child->get_attribute("use")->get_value();
1921 if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1923 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1924 error((*iter),_("Layer rejected canvas link"));
1929 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1931 // Assign the value_node to the dynamic parameter list
1932 layer->connect_dynamic_param(param_name,value_node);
1934 catch(Exception::IDNotFound)
1936 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1942 xmlpp::Element::NodeList::iterator iter;
1944 // Search for the first non-text XML element
1945 for(iter = list.begin(); iter != list.end(); ++iter)
1946 if(dynamic_cast<xmlpp::Element*>(*iter))
1948 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1950 if(iter==list.end())
1952 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1956 // If we recognise the element name as a
1957 // ValueBase, then treat is at one
1958 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1960 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1962 if(!data.is_valid())
1964 error((*iter),_("Bad data for <param>"));
1968 // Set the layer's parameter, and make sure that
1969 // the layer liked it
1970 if(!layer->set_param(param_name,data))
1972 warning((*iter),_("Layer rejected value for <param>"));
1976 else // ... otherwise, we assume that it is a ValueNode
1978 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1982 error((*iter),_("Bad data for <param>"));
1986 // Assign the value_node to the dynamic parameter list
1987 layer->connect_dynamic_param(param_name,value_node);
1990 // Warn if there is trash after the param value
1991 for(iter++; iter != list.end(); ++iter)
1992 if(dynamic_cast<xmlpp::Element*>(*iter))
1993 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1997 error_unexpected_element(child,child->get_name());
2000 layer->reset_version();
2005 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
2008 if(element->get_name()!="canvas")
2010 error_unexpected_element(element,element->get_name(),"canvas");
2011 return Canvas::Handle();
2013 Canvas::Handle canvas;
2017 if(parent && (element->get_attribute("id") || inline_))
2021 canvas=Canvas::create_inline(parent);
2027 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
2031 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
2034 canvas->rend_desc().clear_flags();
2038 canvas=Canvas::create();
2039 if(filename=="/dev/stdin")
2040 canvas->set_file_name("./stdin.sif");
2042 canvas->set_file_name(filename);
2043 canvas->rend_desc().clear_flags();
2046 if(element->get_attribute("guid"))
2048 GUID guid(element->get_attribute("guid")->get_value());
2049 if(guid_cast<Canvas>(guid))
2050 return guid_cast<Canvas>(guid);
2052 canvas->set_guid(guid);
2055 if(element->get_attribute("width"))
2056 canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
2058 if(element->get_attribute("height"))
2059 canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
2061 if(element->get_attribute("xres"))
2062 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
2064 if(element->get_attribute("yres"))
2065 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
2068 if(element->get_attribute("fps"))
2069 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
2071 if(element->get_attribute("start-time"))
2072 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2074 if(element->get_attribute("begin-time"))
2075 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2077 if(element->get_attribute("end-time"))
2078 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2080 if(element->get_attribute("antialias"))
2081 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
2083 if(element->get_attribute("view-box"))
2085 string values=element->get_attribute("view-box")->get_value();
2089 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
2090 values=string(values.begin()+values.find(' ')+1,values.end());
2091 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
2092 values=string(values.begin()+values.find(' ')+1,values.end());
2093 br[0]=atof(string(values.data(),values.find(' ')).c_str());
2094 values=string(values.begin()+values.find(' ')+1,values.end());
2095 br[1]=atof(values.c_str());
2097 canvas->rend_desc().set_tl(tl);
2098 canvas->rend_desc().set_br(br);
2101 if(element->get_attribute("bgcolor"))
2103 string values=element->get_attribute("bgcolor")->get_value();
2106 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
2107 values=string(values.begin()+values.find(' ')+1,values.end());
2109 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
2110 values=string(values.begin()+values.find(' ')+1,values.end());
2112 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
2113 values=string(values.begin()+values.find(' ')+1,values.end());
2115 bg.set_a(atof(values.c_str()));
2117 canvas->rend_desc().set_bg_color(bg);
2120 if(element->get_attribute("focus"))
2122 string values=element->get_attribute("focus")->get_value();
2125 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
2126 values=string(values.begin()+values.find(' ')+1,values.end());
2127 focus[1]=atof(values.c_str());
2129 canvas->rend_desc().set_focus(focus);
2132 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2134 xmlpp::Element::NodeList list = element->get_children();
2135 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2137 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
2140 if(child->get_name()=="defs")
2142 if(canvas->is_inline())
2143 error(child,_("Inline canvas cannot have a <defs> section"));
2144 parse_canvas_defs(child, canvas);
2147 if(child->get_name()=="keyframe")
2149 if(canvas->is_inline())
2151 warning(child,_("Inline canvas cannot have keyframes"));
2155 canvas->keyframe_list().add(parse_keyframe(child,canvas));
2156 canvas->keyframe_list().sync();
2159 if(child->get_name()=="meta")
2161 if(canvas->is_inline())
2163 warning(child,_("Inline canvases cannot have metadata"));
2167 String name,content;
2169 if(!child->get_attribute("name"))
2171 warning(child,_("<meta> must have a name"));
2175 if(!child->get_attribute("content"))
2177 warning(child,_("<meta> must have content"));
2181 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2183 else if(child->get_name()=="name")
2185 xmlpp::Element::NodeList list = child->get_children();
2187 // If we don't have any name, warn
2189 warning(child,_("blank \"name\" entitity"));
2192 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2193 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2194 canvas->set_name(tmp);
2197 if(child->get_name()=="desc")
2200 xmlpp::Element::NodeList list = child->get_children();
2202 // If we don't have any description, warn
2204 warning(child,_("blank \"desc\" entitity"));
2207 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2208 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2209 canvas->set_description(tmp);
2212 if(child->get_name()=="author")
2215 xmlpp::Element::NodeList list = child->get_children();
2217 // If we don't have any description, warn
2219 warning(child,_("blank \"author\" entitity"));
2222 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2223 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2224 canvas->set_author(tmp);
2227 if(child->get_name()=="layer")
2229 //if(canvas->is_inline())
2230 // canvas->push_front(parse_layer(child,canvas->parent()));
2232 canvas->push_front(parse_layer(child,canvas));
2235 error_unexpected_element(child,child->get_name());
2238 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2242 if(canvas->value_node_list().placeholder_count())
2244 error(element,strprintf(_("Canvas %s has undefined ValueNodes"),canvas->get_id().c_str()));
2251 CanvasParser::parse_from_file(const String &file)
2253 return parse_from_file_as(file,file);
2257 CanvasParser::parse_from_file_as(const String &file,const String &as)
2259 CHECK_EXPIRE_TIME();
2262 if(get_open_canvas_map().count(etl::absolute_path(as)))
2263 return get_open_canvas_map()[etl::absolute_path(as)];
2267 xmlpp::DomParser parser(file);
2270 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2271 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2272 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2273 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2277 const ValueNodeList& value_node_list(canvas->value_node_list());
2280 ValueNodeList::const_iterator iter;
2281 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2283 ValueNode::Handle value_node(*iter);
2284 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2286 canvas->remove_value_node(value_node);
2294 catch(Exception::BadLinkName) { sinfg::error("BadLinkName Thrown"); }
2295 catch(Exception::BadType) { sinfg::error("BadType Thrown"); }
2296 catch(Exception::FileNotFound) { sinfg::error("FileNotFound Thrown"); }
2297 catch(Exception::IDNotFound) { sinfg::error("IDNotFound Thrown"); }
2298 catch(Exception::IDAlreadyExists) { sinfg::error("IDAlreadyExists Thrown"); }
2299 catch(const std::exception& ex)
2301 sinfg::error("Standard Exception: "+String(ex.what()));
2302 return Canvas::Handle();
2304 catch(const String& str)
2307 // sinfg::error(str);
2308 return Canvas::Handle();
2310 return Canvas::Handle();
2314 CanvasParser::parse_from_string(const String &data)
2316 CHECK_EXPIRE_TIME();
2320 filename=_("<INTERNAL>");
2322 xmlpp::DomParser parser;
2323 parser.parse_memory(data);
2324 xmlpp::Element *root=parser.get_document()->get_root_node();
2327 Canvas::Handle canvas(parse_canvas(root));
2328 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2329 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2331 const ValueNodeList& value_node_list(canvas->value_node_list());
2333 ValueNodeList::const_iterator iter;
2334 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2336 ValueNode::Handle value_node(*iter);
2337 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2339 canvas->remove_value_node(value_node);
2347 catch(Exception::BadLinkName) { sinfg::error("BadLinkName Thrown"); }
2348 catch(Exception::BadType) { sinfg::error("BadType Thrown"); }
2349 catch(Exception::FileNotFound) { sinfg::error("FileNotFound Thrown"); }
2350 catch(Exception::IDNotFound) { sinfg::error("IDNotFound Thrown"); }
2351 catch(Exception::IDAlreadyExists) { sinfg::error("IDAlreadyExists Thrown"); }
2352 catch(const std::exception& ex)
2354 sinfg::error("Standard Exception: "+String(ex.what()));
2355 return Canvas::Handle();
2357 catch(const String& str)
2360 // sinfg::error(str);
2361 return Canvas::Handle();
2363 return Canvas::Handle();