1 /* === S Y N F I G ========================================================= */
2 /*! \file loadcanvas.cpp
8 ** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
10 ** This package is free software; you can redistribute it and/or
11 ** modify it under the terms of the GNU General Public License as
12 ** published by the Free Software Foundation; either version 2 of
13 ** the License, or (at your option) any later version.
15 ** This package is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ** General Public License for more details.
21 /* ========================================================================= */
23 /* === H E A D E R S ======================================================= */
35 #include <ETL/stringf>
36 #include <libxml++/libxml++.h>
41 #include "loadcanvas.h"
42 #include "valuenode.h"
43 #include "valuenode_subtract.h"
44 #include "valuenode_animated.h"
45 #include "valuenode_composite.h"
46 #include "valuenode_const.h"
47 #include "valuenode_linear.h"
48 #include "valuenode_dynamiclist.h"
49 #include "valuenode_reference.h"
50 #include "valuenode_scale.h"
51 #include "valuenode_timedswap.h"
52 #include "valuenode_twotone.h"
53 #include "valuenode_stripes.h"
54 #include "valuenode_segcalctangent.h"
55 #include "valuenode_segcalcvertex.h"
56 #include "valuenode_bline.h"
61 #include "exception.h"
66 #include <sigc++/bind.h>
70 /* === U S I N G =========================================================== */
73 using namespace synfig;
80 test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
81 ~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
83 int test_class::bleh(0);
85 test_class test_class_instance;
88 /* === M A C R O S ========================================================= */
90 inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
92 /* === P R O C E D U R E S ================================================= */
94 static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
96 std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
99 open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
100 return *open_canvas_map_;
103 static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
105 static void _canvas_file_name_changed(Canvas *x)
107 std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
109 for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
112 assert(iter!=get_open_canvas_map().end());
113 if(iter==get_open_canvas_map().end())
115 get_open_canvas_map().erase(iter->first);
116 get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
121 synfig::open_canvas(const String &filename)
125 parser.set_allow_errors(true);
127 Canvas::Handle canvas=parser.parse_from_file(filename);
129 if(parser.error_count())
130 return Canvas::Handle();
136 synfig::open_canvas_as(const String &filename,const String &as)
140 parser.set_allow_errors(true);
142 Canvas::Handle canvas=parser.parse_from_file_as(filename,as);
144 if(parser.error_count())
145 return Canvas::Handle();
151 synfig::string_to_canvas(const String &data)
155 parser.set_allow_errors(true);
157 Canvas::Handle canvas=parser.parse_from_string(data);
159 if(parser.error_count())
160 return Canvas::Handle();
165 /* === M E T H O D S ======================================================= */
168 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
170 error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
174 CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
176 error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
180 CanvasParser::warning(xmlpp::Node *element, const String &text)
182 string str=strprintf("%s:<%s>:%d: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
183 //synfig::warning(str);
186 if(total_warnings_>=max_warnings_)
187 fatal_error(element, _("Too many warnings"));
191 CanvasParser::error(xmlpp::Node *element, const String &text)
193 string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
196 throw runtime_error(str);
198 // synfig::error(str);
202 CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
204 string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
205 throw runtime_error(str);
211 CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
213 assert(element->get_name()=="keyframe");
215 if(!element->get_attribute("time"))
217 error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
221 Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
224 if(element->get_children().empty())
227 if(element->get_child_text()->get_content().empty())
230 ret.set_description(element->get_child_text()->get_content());
237 CanvasParser::parse_real(xmlpp::Element *element)
239 assert(element->get_name()=="real");
241 if(!element->get_children().empty())
242 warning(element, strprintf(_("<%s> should not contain anything"),"real"));
244 if(!element->get_attribute("value"))
246 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
250 string val=element->get_attribute("value")->get_value();
252 return atof(val.c_str());
256 CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
258 assert(element->get_name()=="time");
260 if(!element->get_children().empty())
261 warning(element, strprintf(_("<%s> should not contain anything"),"time"));
263 if(!element->get_attribute("value"))
265 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
269 string val=element->get_attribute("value")->get_value();
271 return Time(val,canvas->rend_desc().get_frame_rate());
275 CanvasParser::parse_integer(xmlpp::Element *element)
277 assert(element->get_name()=="integer");
279 if(!element->get_children().empty())
280 warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
282 if(!element->get_attribute("value"))
284 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
288 string val=element->get_attribute("value")->get_value();
290 return atoi(val.c_str());
294 CanvasParser::parse_vector(xmlpp::Element *element)
296 assert(element->get_name()=="vector");
298 if(element->get_children().empty())
300 error(element, "Undefined value in <vector>");
306 xmlpp::Element::NodeList list = element->get_children();
307 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
309 xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
313 if(child->get_name()=="x")
315 if(child->get_children().empty())
317 error(element, "Undefined value in <x>");
320 vect[0]=atof(child->get_child_text()->get_content().c_str());
323 if(child->get_name()=="y")
325 if(child->get_children().empty())
327 error(element, "Undefined value in <y>");
330 vect[1]=atof(child->get_child_text()->get_content().c_str());
333 error_unexpected_element(child,child->get_name());
339 CanvasParser::parse_color(xmlpp::Element *element)
341 assert(element->get_name()=="color");
343 if(element->get_children().empty())
345 error(element, "Undefined value in <color>");
351 xmlpp::Element::NodeList list = element->get_children();
352 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
354 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
358 if(child->get_name()=="r")
360 if(child->get_children().empty())
362 error(element, "Undefined value in <r>");
365 color.set_r(atof(child->get_child_text()->get_content().c_str()));
368 if(child->get_name()=="g")
370 if(child->get_children().empty())
372 error(element, "Undefined value in <g>");
375 color.set_g(atof(child->get_child_text()->get_content().c_str()));
378 if(child->get_name()=="b")
380 if(child->get_children().empty())
382 error(element, "Undefined value in <b>");
385 color.set_b(atof(child->get_child_text()->get_content().c_str()));
388 if(child->get_name()=="a")
390 if(child->get_children().empty())
392 error(element, "Undefined value in <a>");
395 color.set_a(atof(child->get_child_text()->get_content().c_str()));
398 error_unexpected_element(child,child->get_name());
405 CanvasParser::parse_string(xmlpp::Element *element)
407 assert(element->get_name()=="string");
409 if(element->get_children().empty())
411 warning(element, "Undefined value in <string>");
412 return synfig::String();
415 if(element->get_child_text()->get_content().empty())
417 warning(element, "Content element of <string> appears to be empty");
418 return synfig::String();
421 return element->get_child_text()->get_content();
425 CanvasParser::parse_bool(xmlpp::Element *element)
427 assert(element->get_name()=="bool");
429 if(!element->get_children().empty())
430 warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
432 if(!element->get_attribute("value"))
434 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
438 string val=element->get_attribute("value")->get_value();
440 if(val=="true" || val=="1")
442 if(val=="false" || val=="0")
445 error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
451 CanvasParser::parse_gradient(xmlpp::Element *node)
453 assert(node->get_name()=="gradient");
456 xmlpp::Element::NodeList list = node->get_children();
457 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
459 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
464 Gradient::CPoint cpoint;
465 cpoint.color=parse_color(child);
467 if(!child->get_attribute("pos"))
469 error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
473 cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
475 ret.push_back(cpoint);
483 CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
485 vector<ValueBase> value_list;
487 xmlpp::Element::NodeList list = element->get_children();
488 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
490 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
495 value_list.push_back(parse_value(child,canvas));
496 if(!value_list.back().is_valid())
498 value_list.pop_back();
499 error(child,"Bad ValueBase");
508 CanvasParser::parse_segment(xmlpp::Element *element)
510 assert(element->get_name()=="segment");
512 if(element->get_children().empty())
514 error(element, "Undefined value in <segment>");
520 xmlpp::Element::NodeList list = element->get_children();
521 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
523 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
527 if(child->get_name()=="p1")
529 xmlpp::Element::NodeList list = child->get_children();
530 xmlpp::Element::NodeList::iterator iter;
532 // Search for the first non-text XML element
533 for(iter = list.begin(); iter != list.end(); ++iter)
534 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
538 error(element, "Undefined value in <p1>");
542 if((*iter)->get_name()!="vector")
544 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
548 seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
551 if(child->get_name()=="t1")
553 xmlpp::Element::NodeList list = child->get_children();
554 xmlpp::Element::NodeList::iterator iter;
556 // Search for the first non-text XML element
557 for(iter = list.begin(); iter != list.end(); ++iter)
558 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
562 error(element, "Undefined value in <t1>");
566 if((*iter)->get_name()!="vector")
568 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
572 seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
575 if(child->get_name()=="p2")
577 xmlpp::Element::NodeList list = child->get_children();
578 xmlpp::Element::NodeList::iterator iter;
580 // Search for the first non-text XML element
581 for(iter = list.begin(); iter != list.end(); ++iter)
582 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
586 error(element, "Undefined value in <p2>");
590 if((*iter)->get_name()!="vector")
592 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
596 seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
599 if(child->get_name()=="t2")
601 xmlpp::Element::NodeList list = child->get_children();
602 xmlpp::Element::NodeList::iterator iter;
604 // Search for the first non-text XML element
605 for(iter = list.begin(); iter != list.end(); ++iter)
606 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
610 error(element, "Undefined value in <t2>");
614 if((*iter)->get_name()!="vector")
616 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
620 seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
623 error_unexpected_element(child,child->get_name());
629 CanvasParser::parse_bline_point(xmlpp::Element *element)
631 assert(element->get_name()=="bline_point");
632 if(element->get_children().empty())
634 error(element, "Undefined value in <bline_point>");
639 ret.set_split_tangent_flag(false);
641 xmlpp::Element::NodeList list = element->get_children();
642 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
644 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
649 if(child->get_name()[0]=='v' || child->get_name()=="p1")
651 xmlpp::Element::NodeList list = child->get_children();
652 xmlpp::Element::NodeList::iterator iter;
654 // Search for the first non-text XML element
655 for(iter = list.begin(); iter != list.end(); ++iter)
656 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
660 error(element, "Undefined value in <vertex>");
664 if((*iter)->get_name()!="vector")
666 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
670 ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
674 if(child->get_name()=="t1" || child->get_name()=="tangent")
676 xmlpp::Element::NodeList list = child->get_children();
677 xmlpp::Element::NodeList::iterator iter;
679 // Search for the first non-text XML element
680 for(iter = list.begin(); iter != list.end(); ++iter)
681 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
685 error(element, "Undefined value in <t1>");
689 if((*iter)->get_name()!="vector")
691 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
695 ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
699 if(child->get_name()=="t2")
701 xmlpp::Element::NodeList list = child->get_children();
702 xmlpp::Element::NodeList::iterator iter;
704 // Search for the first non-text XML element
705 for(iter = list.begin(); iter != list.end(); ++iter)
706 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
710 error(element, "Undefined value in <t2>");
714 if((*iter)->get_name()!="vector")
716 error_unexpected_element((*iter),(*iter)->get_name(),"vector");
720 ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
721 ret.set_split_tangent_flag(true);
725 if(child->get_name()=="width")
727 xmlpp::Element::NodeList list = child->get_children();
728 xmlpp::Element::NodeList::iterator iter;
730 // Search for the first non-text XML element
731 for(iter = list.begin(); iter != list.end(); ++iter)
732 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
736 error(element, "Undefined value in <width>");
740 if((*iter)->get_name()!="real")
742 error_unexpected_element((*iter),(*iter)->get_name(),"real");
746 ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
750 if(child->get_name()=="origin")
752 xmlpp::Element::NodeList list = child->get_children();
753 xmlpp::Element::NodeList::iterator iter;
755 // Search for the first non-text XML element
756 for(iter = list.begin(); iter != list.end(); ++iter)
757 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
761 error(element, "Undefined value in <origin>");
765 if((*iter)->get_name()!="real")
767 error_unexpected_element((*iter),(*iter)->get_name(),"real");
771 ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
774 error_unexpected_element(child,child->get_name());
780 CanvasParser::parse_angle(xmlpp::Element *element)
782 assert(element->get_name()=="angle");
784 if(!element->get_children().empty())
785 warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
787 if(!element->get_attribute("value"))
789 error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
793 string val=element->get_attribute("value")->get_value();
795 return Angle::deg(atof(val.c_str()));
799 CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
801 if(element->get_name()=="real")
802 return parse_real(element);
804 if(element->get_name()=="time")
805 return parse_time(element,canvas);
807 if(element->get_name()=="integer")
808 return parse_integer(element);
810 if(element->get_name()=="string")
811 return parse_string(element);
813 if(element->get_name()=="vector")
814 return parse_vector(element);
816 if(element->get_name()=="color")
817 return parse_color(element);
819 if(element->get_name()=="segment")
820 return parse_segment(element);
822 if(element->get_name()=="list")
823 return parse_list(element,canvas);
825 if(element->get_name()=="gradient")
826 return parse_gradient(element);
828 if(element->get_name()=="bool")
829 return parse_bool(element);
831 //if(element->get_name()=="canvas")
832 // return parse_canvas(element,canvas,true); // inline canvas
834 if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
835 return parse_angle(element);
837 if(element->get_name()=="bline_point")
838 return parse_bline_point(element);
840 if(element->get_name()=="canvas")
841 return ValueBase(parse_canvas(element,canvas,true));
845 error_unexpected_element(element,element->get_name());
854 ValueNode_Animated::Handle
855 CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
857 assert(element->get_name()=="hermite" || element->get_name()=="animated");
859 if(!element->get_attribute("type"))
861 error(element,"Missing attribute \"type\" in <animated>");
862 return ValueNode_Animated::Handle();
865 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
869 error(element,"Bad type in <animated>");
870 return ValueNode_Animated::Handle();
873 ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
877 error(element,strprintf(_("Unable to create <animated> with type \"%s\""),ValueBase::type_name(type).c_str()));
878 return ValueNode_Animated::Handle();
881 value_node->set_root_canvas(canvas->get_root());
883 xmlpp::Element::NodeList list = element->get_children();
884 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
886 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
890 if(child->get_name()=="waypoint")
892 if(!child->get_attribute("time"))
894 error(child,_("<waypoint> is missing attribute \"time\""));
898 Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
901 ValueNode::Handle waypoint_value_node;
902 xmlpp::Element::NodeList list = child->get_children();
904 if(child->get_attribute("use"))
907 warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
909 // the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
911 // <animated type="canvas">
912 // <waypoint time="0s" use="mycanvas"/>
914 if (type==ValueBase::TYPE_CANVAS)
915 waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
917 waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
921 if(child->get_children().empty())
923 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
927 xmlpp::Element::NodeList::iterator iter;
929 // Search for the first non-text XML element
930 for(iter = list.begin(); iter != list.end(); ++iter)
931 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
935 error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
939 waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
942 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
946 error(child,_("Bad data for <waypoint>"));
950 if(!waypoint_value_node)
952 error(child,_("Bad data for <waypoint>"));
956 /*! HACK -- This is a temporary fix to help repair some
957 ** weirdness that is currently going on (10-21-2004).
958 ** This short circuits the linking of waypoints,
959 ** a feature which is so obscure that we can get
960 ** away with something like this pretty easily.
962 waypoint_value_node=waypoint_value_node->clone();
964 // Warn if there is trash after the param value
965 for(iter++; iter != list.end(); ++iter)
966 if(dynamic_cast<xmlpp::Element*>(*iter))
967 warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
972 ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
974 if(child->get_attribute("tension"))
976 synfig::String str(child->get_attribute("tension")->get_value());
977 waypoint->set_tension(atof(str.c_str()));
979 if(child->get_attribute("temporal-tension"))
981 synfig::String str(child->get_attribute("temporal-tension")->get_value());
982 waypoint->set_time_tension(atof(str.c_str()));
984 if(child->get_attribute("continuity"))
986 synfig::String str(child->get_attribute("continuity")->get_value());
987 waypoint->set_continuity(atof(str.c_str()));
989 if(child->get_attribute("bias"))
991 synfig::String str(child->get_attribute("bias")->get_value());
992 waypoint->set_bias(atof(str.c_str()));
995 if(child->get_attribute("before"))
997 string val=child->get_attribute("before")->get_value();
999 waypoint->set_before(INTERPOLATION_HALT);
1000 else if(val=="constant")
1001 waypoint->set_before(INTERPOLATION_CONSTANT);
1002 else if(val=="linear")
1003 waypoint->set_before(INTERPOLATION_LINEAR);
1004 else if(val=="manual")
1005 waypoint->set_before(INTERPOLATION_MANUAL);
1006 else if(val=="auto")
1007 waypoint->set_before(INTERPOLATION_TCB);
1009 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1012 if(child->get_attribute("after"))
1014 string val=child->get_attribute("after")->get_value();
1016 waypoint->set_after(INTERPOLATION_HALT);
1017 else if(val=="constant")
1018 waypoint->set_after(INTERPOLATION_CONSTANT);
1019 else if(val=="linear")
1020 waypoint->set_after(INTERPOLATION_LINEAR);
1021 else if(val=="manual")
1022 waypoint->set_after(INTERPOLATION_MANUAL);
1023 else if(val=="auto")
1024 waypoint->set_after(INTERPOLATION_TCB);
1026 error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
1029 catch(Exception::BadTime x)
1031 warning(child,x.what());
1037 error_unexpected_element(child,child->get_name());
1039 value_node->changed();
1043 handle<ValueNode_Subtract>
1044 CanvasParser::parse_subtract(xmlpp::Element *element,Canvas::Handle canvas)
1046 assert(element->get_name()=="subtract");
1048 handle<ValueNode_Subtract> value_node;
1049 handle<ValueNode> lhs,rhs,scalar;
1051 if(element->get_attribute("type"))
1053 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1057 error(element,"Bad type in <subtract>");
1058 return ValueNode_Subtract::Handle();
1060 value_node=ValueNode_Subtract::create(type);
1063 value_node=ValueNode_Subtract::create();
1067 error(element,strprintf(_("Unable to create <subtract>")));
1068 return handle<ValueNode_Subtract>();
1071 //if(element->get_attribute("scalar"))
1073 // value_node->set_scalar(atof(element->get_attribute("scalar")->get_value().c_str()));
1078 if(element->get_attribute("scalar"))
1080 // This is for compatibility with older versions of the file format
1081 String value(element->get_attribute("scalar")->get_value());
1082 if((value[0]<='9' && value[0]>='0') || value[0]=='-')
1084 warning(element, _("Use of a real value where the ID should be is deprecated"));
1085 value_node->set_scalar(atof(value.c_str()));
1088 value_node->set_scalar(canvas->surefind_value_node(value));
1089 scalar=value_node->get_scalar();
1092 if(element->get_attribute("lhs"))
1094 lhs=canvas->surefind_value_node(element->get_attribute("lhs")->get_value());
1095 value_node->set_lhs(lhs);
1098 if(element->get_attribute("rhs"))
1100 rhs=canvas->surefind_value_node(element->get_attribute("rhs")->get_value());
1101 value_node->set_rhs(rhs);
1104 catch (Exception::IDNotFound)
1106 error(element,"attribute in <subtract> references unknown ID");
1108 catch (Exception::FileNotFound)
1110 error(element,"Unable to open external file referenced in ID");
1113 xmlpp::Element::NodeList list = element->get_children();
1114 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1116 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1120 if(child->get_name()=="lhs")
1124 error(child,"LHS component of <subtract> already defined!");
1128 xmlpp::Element::NodeList list = child->get_children();
1129 xmlpp::Element::NodeList::iterator iter;
1131 // Search for the first non-text XML element
1132 for(iter = list.begin(); iter != list.end(); ++iter)
1133 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1135 if(iter==list.end())
1137 error(child,_("<lhs> is missing its contents"));
1141 lhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1144 value_node->set_lhs(lhs);
1147 error((*iter),"Parse of LHS ValueNode failed");
1150 // \todo do a search for more elements and warn if they are found
1153 if(child->get_name()=="rhs")
1157 error(child,"RHS component of <subtract> already defined!");
1161 xmlpp::Element::NodeList list = child->get_children();
1162 xmlpp::Element::NodeList::iterator iter;
1164 // Search for the first non-text XML element
1165 for(iter = list.begin(); iter != list.end(); ++iter)
1166 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1168 if(iter==list.end())
1170 error(child,_("<rhs> is missing its contents"));
1174 rhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1177 value_node->set_rhs(rhs);
1180 error((*iter),"Parse of RHS ValueNode failed");
1183 // \todo do a search for more elements and warn if they are found
1186 if(child->get_name()=="scalar")
1190 error(child,"scalar component of <subtract> already defined!");
1194 xmlpp::Element::NodeList list = child->get_children();
1195 xmlpp::Element::NodeList::iterator iter;
1197 // Search for the first non-text XML element
1198 for(iter = list.begin(); iter != list.end(); ++iter)
1199 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1201 if(iter==list.end())
1203 error(child,_("<scalar> is missing its contents"));
1207 scalar=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1210 value_node->set_scalar(scalar);
1213 error((*iter),"Parse of scalar ValueNode failed");
1216 // \todo do a search for more elements and warn if they are found
1219 error_unexpected_element(child,child->get_name());
1222 if(!value_node->get_rhs() || !value_node->get_lhs() || !value_node->get_scalar())
1223 error(element,"<subtract> is missing LHS, RHS, or SCALAR");
1225 if(value_node->get_rhs() == value_node->get_lhs())
1226 warning(element,"LHS is equal to RHS in <subtract>, so this value_node will always be zero!");
1231 etl::handle<LinkableValueNode>
1232 CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1234 handle<LinkableValueNode> value_node;
1235 ValueBase::Type type;
1237 // Determine the type
1238 if(element->get_attribute("type"))
1240 type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1244 error(element,"Bad type in ValueNode");
1250 error(element,"Missing type in ValueNode");
1254 value_node=LinkableValueNode::create(element->get_name(),type);
1258 error(element,"Unknown ValueNode type "+element->get_name());
1262 if(value_node->get_type()!=type)
1264 error(element,"ValueNode did not accept type");
1268 value_node->set_root_canvas(canvas->get_root());
1271 for(i=0;i<value_node->link_count();i++)
1273 if(element->get_attribute(value_node->link_name(i)))
1275 String id(element->get_attribute(value_node->link_name(i))->get_value());
1277 if(!value_node->set_link(i,
1278 canvas->surefind_value_node(
1282 ) 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()));
1284 catch(Exception::IDNotFound)
1286 error(element,"Unable to resolve "+element->get_attribute(value_node->link_name(i))->get_value());
1288 catch(Exception::FileNotFound)
1290 error(element,"Unable to open file referenced in "+element->get_attribute(value_node->link_name(i))->get_value());
1294 error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""),
1295 element->get_attribute(value_node->link_name(i))->get_value().c_str()));
1302 xmlpp::Element::NodeList list = element->get_children();
1303 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1305 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1310 int index=value_node->get_link_index_from_name(child->get_name());
1312 xmlpp::Element::NodeList list = child->get_children();
1313 xmlpp::Element::NodeList::iterator iter;
1315 // Search for the first non-text XML element
1316 for(iter = list.begin(); iter != list.end(); ++iter)
1317 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1319 if(iter==list.end())
1321 error(child,_("element is missing its contents"));
1325 ValueNode::Handle link=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1329 error((*iter),"Parse of ValueNode failed");
1332 if(!value_node->set_link(index,link))
1334 //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));
1335 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));
1338 // \todo do a search for more elements and warn if they are found
1341 catch(Exception::BadLinkName)
1343 error_unexpected_element(child,child->get_name());
1347 error(child,strprintf(_("Unknown Exception thrown when working on element \"%s\""),child->get_name().c_str()));
1355 handle<ValueNode_Composite>
1356 CanvasParser::parse_composite(xmlpp::Element *element,Canvas::Handle canvas)
1358 assert(element->get_name()=="composite");
1360 if(!element->get_attribute("type"))
1362 error(element,"Missing attribute \"type\" in <composite>");
1363 return handle<ValueNode_Composite>();
1366 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1370 error(element,"Bad type in <composite>");
1371 return handle<ValueNode_Composite>();
1374 handle<ValueNode_Composite> value_node=ValueNode_Composite::create(type);
1375 handle<ValueNode> c[6];
1379 error(element,strprintf(_("Unable to create <composite>")));
1380 return handle<ValueNode_Composite>();
1385 for(i=0;i<value_node->link_count();i++)
1387 string name=strprintf("c%d",i+1);
1390 error(element,name+" was already defined in <composite>");
1393 if(element->get_attribute(name))
1395 c[i]=canvas->surefind_value_node(element->get_attribute(name)->get_value());
1398 if(!value_node->set_link(i,c[i]))
1400 error(element,'"'+name+"\" attribute in <composite> has bad type");
1404 error(element,'"'+name+"\" attribute in <composite> references unknown ID");
1408 xmlpp::Element::NodeList list = element->get_children();
1409 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1411 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1415 for(i=0;i<value_node->link_count();i++)
1417 string name=strprintf("c%d",i+1);
1418 if(child->get_name()==name)
1422 error(child,name+" was already defined in <composite>");
1426 xmlpp::Element::NodeList list = child->get_children();
1427 xmlpp::Element::NodeList::iterator iter;
1429 // Search for the first non-text XML element
1430 for(iter = list.begin(); iter != list.end(); ++iter)
1431 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1433 if(iter==list.end())
1435 error(child,strprintf(_("<%s> is missing its contents"),name.c_str()));
1439 c[i]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1443 error((*iter),"Parse of "+name+" ValueNode failed");
1447 if(!value_node->set_link(i,c[i]))
1449 error(child,strprintf(_("<%s> has a bad value"),name.c_str()));
1453 // \todo do a search for more elements and warn if they are found
1457 // somewhat of a hack, but it works
1458 if(i==value_node->link_count()) error_unexpected_element(child,child->get_name());
1461 switch(value_node->link_count())
1464 if(!value_node->get_link(0))
1466 error(element,"<composite> is missing parameters");
1467 return handle<ValueNode_Composite>();
1471 if(!value_node->get_link(0) ||!value_node->get_link(1))
1473 error(element,"<composite> is missing parameters");
1474 return handle<ValueNode_Composite>();
1478 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2))
1480 error(element,"<composite> is missing parameters");
1481 return handle<ValueNode_Composite>();
1485 if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2) ||!value_node->get_link(3))
1487 error(element,"<composite> is missing parameters");
1488 return handle<ValueNode_Composite>();
1495 // This will also parse a bline
1496 handle<ValueNode_DynamicList>
1497 CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
1499 assert(element->get_name()=="dynamic_list" || element->get_name()=="bline");
1501 const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
1503 if(!element->get_attribute("type"))
1505 error(element,"Missing attribute \"type\" in <dynamic_list>");
1506 return handle<ValueNode_DynamicList>();
1509 ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
1513 error(element,"Bad type in <dynamic_list>");
1514 return handle<ValueNode_DynamicList>();
1517 handle<ValueNode_DynamicList> value_node;
1518 handle<ValueNode_BLine> bline_value_node;
1520 if(element->get_name()=="bline")
1522 value_node=bline_value_node=ValueNode_BLine::create();
1523 if(element->get_attribute("loop"))
1525 String loop=element->get_attribute("loop")->get_value();
1526 if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
1527 bline_value_node->set_loop(true);
1529 bline_value_node->set_loop(false);
1534 value_node=ValueNode_DynamicList::create(type);
1538 error(element,strprintf(_("Unable to create <dynamic_list>")));
1539 return handle<ValueNode_DynamicList>();
1542 value_node->set_root_canvas(canvas->get_root());
1544 xmlpp::Element::NodeList list = element->get_children();
1545 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1547 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1551 if(child->get_name()=="entry")
1553 ValueNode_DynamicList::ListEntry list_entry;
1555 // Parse begin/end waypoints
1557 typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
1558 typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
1560 String begin_sequence;
1561 String end_sequence;
1563 ActivepointList &timing_info(list_entry.timing_info);
1565 if(child->get_attribute("begin"))
1566 begin_sequence=child->get_attribute("begin")->get_value();
1568 if(child->get_attribute("on"))
1569 begin_sequence=child->get_attribute("on")->get_value();
1571 if(child->get_attribute("end"))
1572 end_sequence=child->get_attribute("end")->get_value();
1574 if(child->get_attribute("off"))
1575 end_sequence=child->get_attribute("off")->get_value();
1577 // clear out any auto-start
1578 if(!begin_sequence.empty())
1579 timing_info.clear();
1582 while(!begin_sequence.empty())
1584 String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
1585 String timecode(begin_sequence.begin(), iter);
1588 // skip whitespace before checking for a priority
1589 while (isspace(timecode[0]))
1590 timecode=timecode.substr(1);
1592 // If there is a priority, then grab it and remove
1593 // it from the timecode
1594 if(timecode[0]=='p')
1596 //priority=timecode[1]-'0';
1597 //timecode=String(timecode.begin()+3,timecode.end());
1598 int space=timecode.find_first_of(' ');
1599 priority=atoi(String(timecode,1,space-1).c_str());
1600 timecode=String(timecode.begin()+space+1,timecode.end());
1601 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1604 timing_info.push_back(
1610 true, // Mark as a "on" activepoint
1615 if(iter==begin_sequence.end())
1616 begin_sequence.clear();
1618 begin_sequence=String(iter+1,begin_sequence.end());
1622 while(!end_sequence.empty())
1624 String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
1625 String timecode(end_sequence.begin(), iter);
1628 // skip whitespace before checking for a priority
1629 while (isspace(timecode[0]))
1630 timecode=timecode.substr(1);
1632 // If there is a priority, then grab it and remove
1633 // it from the timecode
1634 if(timecode[0]=='p')
1636 //priority=timecode[1]-'0';
1637 //timecode=String(timecode.begin()+3,timecode.end());
1638 int space=timecode.find_first_of(' ');
1639 priority=atoi(String(timecode,1,space-1).c_str());
1640 timecode=String(timecode.begin()+space+1,timecode.end());
1641 //synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
1644 timing_info.push_back(
1650 false, // Mark as a "off" activepoint
1654 if(iter==end_sequence.end())
1655 end_sequence.clear();
1657 end_sequence=String(iter+1,end_sequence.end());
1663 if(child->get_attribute("use"))
1665 // \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
1666 string id=child->get_attribute("use")->get_value();
1669 list_entry.value_node=canvas->surefind_value_node(id);
1671 catch(Exception::IDNotFound)
1673 error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
1679 xmlpp::Element::NodeList list = child->get_children();
1680 xmlpp::Element::NodeList::iterator iter;
1682 // Search for the first non-text XML element
1683 for(iter = list.begin(); iter != list.end(); ++iter)
1684 if(dynamic_cast<xmlpp::Element*>(*iter)) break;
1686 if(iter==list.end())
1688 error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
1692 list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1694 if(!list_entry.value_node)
1695 error((*iter),"Parse of ValueNode failed");
1697 // \todo do a search for more elements and warn if they are found
1701 value_node->add(list_entry);
1702 value_node->set_link(value_node->link_count()-1,list_entry.value_node);
1705 error_unexpected_element(child,child->get_name());
1711 CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
1713 handle<ValueNode> value_node;
1718 if(element->get_attribute("guid"))
1720 guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
1721 value_node=guid_cast<ValueNode>(guid);
1726 // If ValueBase::ident_type() recognises the name, then we know it's a ValueBase
1727 if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
1729 ValueBase data=parse_value(element,canvas);
1731 if(!data.is_valid())
1733 error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
1737 // We want to convert this ValueBase into a
1738 // ValueNode_Const. That way, we can treat the
1739 // ID like any other Datanode. Think of this
1740 // as a shorthand for creating constant ValueNodes.
1742 value_node=ValueNode_Const::create(data);
1745 if(element->get_name()=="hermite" || element->get_name()=="animated")
1746 value_node=parse_animated(element,canvas);
1748 if(element->get_name()=="subtract")
1749 value_node=parse_subtract(element,canvas);
1751 if(element->get_name()=="composite")
1752 value_node=parse_composite(element,canvas);
1754 if(element->get_name()=="dynamic_list")
1755 value_node=parse_dynamic_list(element,canvas);
1757 if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
1758 value_node=parse_dynamic_list(element,canvas);
1760 if(LinkableValueNode::book().count(element->get_name()))
1761 value_node=parse_linkable_value_node(element,canvas);
1763 if(element->get_name()=="canvas")
1764 value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
1767 error_unexpected_element(element,element->get_name());
1768 error(element, "Expected a ValueNode");
1772 value_node->set_root_canvas(canvas->get_root());
1775 // If we were successful, and our element has
1776 // an ID attribute, go ahead and add it to the
1778 if(value_node && element->get_attribute("id"))
1780 string id=element->get_attribute("id")->get_value();
1782 //value_node->set_id(id);
1784 // If there is already a value_node in the list
1785 // with the same ID, then that is an error
1786 try { canvas->add_value_node(value_node,id); }
1787 catch(Exception::BadLinkName)
1789 warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
1792 catch(Exception::IDAlreadyExists)
1794 error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
1799 error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
1803 value_node->set_guid(guid);
1808 CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
1810 assert(element->get_name()=="defs");
1811 xmlpp::Element::NodeList list = element->get_children();
1812 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1814 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1818 if(child->get_name()=="canvas")
1819 parse_canvas(child, canvas);
1821 parse_value_node(child,canvas);
1826 CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
1829 assert(element->get_name()=="layer");
1830 Layer::Handle layer;
1832 if(!element->get_attribute("type"))
1834 error(element,_("Missing \"type\" attribute to \"layer\" element"));
1835 return Layer::Handle();
1838 layer=Layer::create(element->get_attribute("type")->get_value());
1839 layer->set_canvas(canvas);
1841 if(element->get_attribute("group"))
1843 layer->add_to_group(
1844 element->get_attribute("group")->get_value()
1848 // Handle the version attribute
1849 if(element->get_attribute("version"))
1851 String version(element->get_attribute("version")->get_value());
1852 if(version>layer->get_version())
1853 warning(element,_("Installed layer version is larger than layer version in file"));
1854 if(version!=layer->get_version())
1855 layer->set_version(version);
1858 // Handle the description
1859 if(element->get_attribute("desc"))
1860 layer->set_description(element->get_attribute("desc")->get_value());
1862 if(element->get_attribute("active"))
1863 layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
1865 xmlpp::Element::NodeList list = element->get_children();
1866 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
1868 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
1872 if(child->get_name()=="name")
1873 warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
1875 if(child->get_name()=="desc")
1876 warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
1878 if(child->get_name()=="param")
1880 xmlpp::Element::NodeList list = child->get_children();
1882 if(!child->get_attribute("name"))
1884 error(child,_("Missing \"name\" attribute for <param>."));
1888 String param_name=child->get_attribute("name")->get_value();
1890 if(child->get_attribute("use"))
1892 // If the "use" attribute is used, then the
1893 // element should be empty. Warn the user if
1894 // we find otherwise.
1896 warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
1898 String str= child->get_attribute("use")->get_value();
1900 if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
1902 if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
1903 error((*iter),_("Layer rejected canvas link"));
1908 handle<ValueNode> value_node=canvas->surefind_value_node(str);
1910 // Assign the value_node to the dynamic parameter list
1911 layer->connect_dynamic_param(param_name,value_node);
1913 catch(Exception::IDNotFound)
1915 error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.c_str()));
1921 xmlpp::Element::NodeList::iterator iter;
1923 // Search for the first non-text XML element
1924 for(iter = list.begin(); iter != list.end(); ++iter)
1925 if(dynamic_cast<xmlpp::Element*>(*iter))
1927 //if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
1929 if(iter==list.end())
1931 error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
1935 // If we recognise the element name as a
1936 // ValueBase, then treat is at one
1937 if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
1939 ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1941 if(!data.is_valid())
1943 error((*iter),_("Bad data for <param>"));
1947 // Set the layer's parameter, and make sure that
1948 // the layer liked it
1949 if(!layer->set_param(param_name,data))
1951 warning((*iter),_("Layer rejected value for <param>"));
1955 else // ... otherwise, we assume that it is a ValueNode
1957 handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
1961 error((*iter),_("Bad data for <param>"));
1965 // Assign the value_node to the dynamic parameter list
1966 layer->connect_dynamic_param(param_name,value_node);
1969 // Warn if there is trash after the param value
1970 for(iter++; iter != list.end(); ++iter)
1971 if(dynamic_cast<xmlpp::Element*>(*iter))
1972 warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
1976 error_unexpected_element(child,child->get_name());
1979 layer->reset_version();
1984 CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, String filename)
1987 if(element->get_name()!="canvas")
1989 error_unexpected_element(element,element->get_name(),"canvas");
1990 return Canvas::Handle();
1992 Canvas::Handle canvas;
1996 if(parent && (element->get_attribute("id") || inline_))
2000 canvas=Canvas::create_inline(parent);
2006 canvas=parent->find_canvas(element->get_attribute("id")->get_value());
2010 canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
2013 canvas->rend_desc().clear_flags();
2017 canvas=Canvas::create();
2018 if(filename=="/dev/stdin")
2019 canvas->set_file_name("./stdin.sif");
2021 canvas->set_file_name(filename);
2022 canvas->rend_desc().clear_flags();
2025 if(element->get_attribute("guid"))
2027 GUID guid(element->get_attribute("guid")->get_value());
2028 if(guid_cast<Canvas>(guid))
2029 return guid_cast<Canvas>(guid);
2031 canvas->set_guid(guid);
2034 if(element->get_attribute("width"))
2035 canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
2037 if(element->get_attribute("height"))
2038 canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
2040 if(element->get_attribute("xres"))
2041 canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
2043 if(element->get_attribute("yres"))
2044 canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
2047 if(element->get_attribute("fps"))
2048 canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
2050 if(element->get_attribute("start-time"))
2051 canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2053 if(element->get_attribute("begin-time"))
2054 canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2056 if(element->get_attribute("end-time"))
2057 canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
2059 if(element->get_attribute("antialias"))
2060 canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
2062 if(element->get_attribute("view-box"))
2064 string values=element->get_attribute("view-box")->get_value();
2068 tl[0]=atof(string(values.data(),values.find(' ')).c_str());
2069 values=string(values.begin()+values.find(' ')+1,values.end());
2070 tl[1]=atof(string(values.data(),values.find(' ')).c_str());
2071 values=string(values.begin()+values.find(' ')+1,values.end());
2072 br[0]=atof(string(values.data(),values.find(' ')).c_str());
2073 values=string(values.begin()+values.find(' ')+1,values.end());
2074 br[1]=atof(values.c_str());
2076 canvas->rend_desc().set_tl(tl);
2077 canvas->rend_desc().set_br(br);
2080 if(element->get_attribute("bgcolor"))
2082 string values=element->get_attribute("bgcolor")->get_value();
2085 bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
2086 values=string(values.begin()+values.find(' ')+1,values.end());
2088 bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
2089 values=string(values.begin()+values.find(' ')+1,values.end());
2091 bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
2092 values=string(values.begin()+values.find(' ')+1,values.end());
2094 bg.set_a(atof(values.c_str()));
2096 canvas->rend_desc().set_bg_color(bg);
2099 if(element->get_attribute("focus"))
2101 string values=element->get_attribute("focus")->get_value();
2104 focus[0]=atof(string(values.data(),values.find(' ')).c_str());
2105 values=string(values.begin()+values.find(' ')+1,values.end());
2106 focus[1]=atof(values.c_str());
2108 canvas->rend_desc().set_focus(focus);
2111 canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
2113 xmlpp::Element::NodeList list = element->get_children();
2114 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2116 xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
2119 if(child->get_name()=="defs")
2121 if(canvas->is_inline())
2122 error(child,_("Inline canvas cannot have a <defs> section"));
2123 parse_canvas_defs(child, canvas);
2126 if(child->get_name()=="keyframe")
2128 if(canvas->is_inline())
2130 warning(child,_("Inline canvas cannot have keyframes"));
2134 canvas->keyframe_list().add(parse_keyframe(child,canvas));
2135 canvas->keyframe_list().sync();
2138 if(child->get_name()=="meta")
2140 if(canvas->is_inline())
2142 warning(child,_("Inline canvases cannot have metadata"));
2146 String name,content;
2148 if(!child->get_attribute("name"))
2150 warning(child,_("<meta> must have a name"));
2154 if(!child->get_attribute("content"))
2156 warning(child,_("<meta> must have content"));
2160 canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
2162 else if(child->get_name()=="name")
2164 xmlpp::Element::NodeList list = child->get_children();
2166 // If we don't have any name, warn
2168 warning(child,_("blank \"name\" entitity"));
2171 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2172 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2173 canvas->set_name(tmp);
2176 if(child->get_name()=="desc")
2179 xmlpp::Element::NodeList list = child->get_children();
2181 // If we don't have any description, warn
2183 warning(child,_("blank \"desc\" entitity"));
2186 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2187 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2188 canvas->set_description(tmp);
2191 if(child->get_name()=="author")
2194 xmlpp::Element::NodeList list = child->get_children();
2196 // If we don't have any description, warn
2198 warning(child,_("blank \"author\" entitity"));
2201 for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
2202 if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
2203 canvas->set_author(tmp);
2206 if(child->get_name()=="layer")
2208 //if(canvas->is_inline())
2209 // canvas->push_front(parse_layer(child,canvas->parent()));
2211 canvas->push_front(parse_layer(child,canvas));
2214 error_unexpected_element(child,child->get_name());
2217 // if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
2221 if(canvas->value_node_list().placeholder_count())
2223 error(element,strprintf(_("Canvas %s has undefined ValueNodes"),canvas->get_id().c_str()));
2230 CanvasParser::parse_from_file(const String &file)
2232 return parse_from_file_as(file,file);
2236 CanvasParser::parse_from_file_as(const String &file_,const String &as_)
2238 CHECK_EXPIRE_TIME();
2241 ChangeLocale change_locale(LC_NUMERIC, "C");
2242 String file(unix_to_local_path(file_));
2243 String as(unix_to_local_path(as_));
2245 if(get_open_canvas_map().count(etl::absolute_path(as)))
2246 return get_open_canvas_map()[etl::absolute_path(as)];
2250 xmlpp::DomParser parser(file);
2253 Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,as));
2254 get_open_canvas_map()[etl::absolute_path(as)]=canvas;
2255 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2256 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2260 const ValueNodeList& value_node_list(canvas->value_node_list());
2263 ValueNodeList::const_iterator iter;
2264 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2266 ValueNode::Handle value_node(*iter);
2267 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2269 canvas->remove_value_node(value_node);
2277 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2278 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2279 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2280 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2281 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2282 catch(const std::exception& ex)
2284 synfig::error("Standard Exception: "+String(ex.what()));
2285 return Canvas::Handle();
2287 catch(const String& str)
2290 // synfig::error(str);
2291 return Canvas::Handle();
2293 return Canvas::Handle();
2297 CanvasParser::parse_from_string(const String &data)
2299 CHECK_EXPIRE_TIME();
2303 ChangeLocale change_locale(LC_NUMERIC, "C");
2304 filename=_("<INTERNAL>");
2306 xmlpp::DomParser parser;
2307 parser.parse_memory(data);
2308 xmlpp::Element *root=parser.get_document()->get_root_node();
2311 Canvas::Handle canvas(parse_canvas(root));
2312 canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
2313 canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
2315 const ValueNodeList& value_node_list(canvas->value_node_list());
2317 ValueNodeList::const_iterator iter;
2318 for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
2320 ValueNode::Handle value_node(*iter);
2321 if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
2323 canvas->remove_value_node(value_node);
2331 catch(Exception::BadLinkName) { synfig::error("BadLinkName Thrown"); }
2332 catch(Exception::BadType) { synfig::error("BadType Thrown"); }
2333 catch(Exception::FileNotFound) { synfig::error("FileNotFound Thrown"); }
2334 catch(Exception::IDNotFound) { synfig::error("IDNotFound Thrown"); }
2335 catch(Exception::IDAlreadyExists) { synfig::error("IDAlreadyExists Thrown"); }
2336 catch(const std::exception& ex)
2338 synfig::error("Standard Exception: "+String(ex.what()));
2339 return Canvas::Handle();
2341 catch(const String& str)
2344 // synfig::error(str);
2345 return Canvas::Handle();
2347 return Canvas::Handle();