/* === S Y N F I G ========================================================= */
/*! \file loadcanvas.cpp
** \brief writeme
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2007, 2008 Chris Moore
** Copyright (c) 2009 Carlos A. Sosa Navarro
** Copyright (c) 2009 Nikita Kitaev
** Copyright (c) 2011, 2012 Carlos López
** Copyright (c) 2012-2013 Konstantin Dmitriev
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
** published by the Free Software Foundation; either version 2 of
** the License, or (at your option) any later version.
**
** This package is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
** \endlegal
*/
/* ========================================================================= */
/* === H E A D E R S ======================================================= */
#ifdef USING_PCH
# include "pch.h"
#else
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <map>
#include <vector>
#include <stdexcept>
#include <libxml++/libxml++.h>
#include <sigc++/bind.h>
#include <ETL/stringf>
#include "loadcanvas.h"
#include "general.h"
#include "localization.h"
#include "blur.h"
#include "boneweightpair.h"
#include "boneweightpair.h"
#include "exception.h"
#include "importer.h"
#include "gradient.h"
#include "layer.h"
#include "string.h"
#include "valuenode.h"
#include "valuenode_registry.h"
#include "valueoperations.h"
#include "zstreambuf.h"
#include "segment.h"
#include "layers/layer_group.h"
#include "valuenodes/valuenode_add.h"
#include "valuenodes/valuenode_animated.h"
#include "valuenodes/valuenode_bline.h"
#include "valuenodes/valuenode_bone.h"
#include "valuenodes/valuenode_bonelink.h"
#include "valuenodes/valuenode_boneweightpair.h"
#include "valuenodes/valuenode_composite.h"
#include "valuenodes/valuenode_const.h"
#include "valuenodes/valuenode_dilist.h"
#include "valuenodes/valuenode_dynamiclist.h"
#include "valuenodes/valuenode_exp.h"
#include "valuenodes/valuenode_linear.h"
#include "valuenodes/valuenode_reference.h"
#include "valuenodes/valuenode_scale.h"
#include "valuenodes/valuenode_segcalctangent.h"
#include "valuenodes/valuenode_segcalcvertex.h"
#include "valuenodes/valuenode_stripes.h"
#include "valuenodes/valuenode_timedswap.h"
#include "valuenodes/valuenode_twotone.h"
#include "valuenodes/valuenode_weightedaverage.h"
#include "valuenodes/valuenode_wplist.h"
#endif
/* === U S I N G =========================================================== */
using namespace std;
using namespace synfig;
using namespace etl;
/*
class test_class {
static int bleh;
public:
test_class() { assert(!bleh); bleh++; synfig::info("test_class: initi: %d",bleh); }
~test_class() { assert(bleh); synfig::info("test_class: uninit: %d",bleh); bleh--; }
};
int test_class::bleh(0);
test_class test_class_instance;
*/
/* === M A C R O S ========================================================= */
#define VALUENODE_COMPATIBILITY_URL "http://synfig.org/Convert#Compatibility"
inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
std::set<FileSystem::Identifier> CanvasParser::loading_;
/* === P R O C E D U R E S ================================================= */
static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
std::map<synfig::String, etl::loose_handle<Canvas> >& synfig::get_open_canvas_map()
{
if(!open_canvas_map_)
open_canvas_map_=new std::map<String, Canvas::LooseHandle>;
return *open_canvas_map_;
}
static void _remove_from_open_canvas_map(Canvas *x) { get_open_canvas_map().erase(etl::absolute_path(x->get_file_name())); }
static void _canvas_file_name_changed(Canvas *x)
{
std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
for(iter=get_open_canvas_map().begin();iter!=get_open_canvas_map().end();++iter)
if(iter->second==x)
break;
assert(iter!=get_open_canvas_map().end());
if(iter==get_open_canvas_map().end())
return;
get_open_canvas_map().erase(iter->first);
get_open_canvas_map()[etl::absolute_path(x->get_file_name())]=x;
}
Canvas::Handle
synfig::open_canvas_as(const FileSystem::Identifier &identifier,const String &as,String &errors,String &warnings)
{
if (CanvasParser::loading_.count(identifier))
{
String warning(strprintf(_("cannot load '%s' recursively"), identifier.filename.c_str()));
synfig::warning(warning);
warnings = " * " + warning + "\n";
Canvas::Handle canvas(Canvas::create());
canvas->set_identifier(identifier);
canvas->set_file_name(as);
Layer::Handle paste(Layer_Group::create());
canvas->push_back(paste);
paste->set_description(warning);
return canvas;
}
Canvas::Handle canvas;
CanvasParser parser;
parser.set_allow_errors(true);
try
{
CanvasParser::loading_.insert(identifier);
canvas=parser.parse_from_file_as(identifier,as,errors);
}
catch (...)
{
CanvasParser::loading_.erase(identifier);
throw;
}
CanvasParser::loading_.erase(identifier);
warnings = parser.get_warnings_text();
if(parser.error_count())
{
errors = parser.get_errors_text();
return Canvas::Handle();
}
return canvas;
}
/* === M E T H O D S ======================================================= */
void
CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got, const String &expected)
{
error(element,strprintf(_("Unexpected element <%s>, Expected <%s>"),got.c_str(),expected.c_str()));
}
void
CanvasParser::error_unexpected_element(xmlpp::Node *element,const String &got)
{
error(element,strprintf(_("Unexpected element <%s>"),got.c_str()));
}
void
CanvasParser::warning(xmlpp::Node *element, const String &text)
{
string str=strprintf("%s:<%s>:%d: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
synfig::warning(str);
// cerr<<str<<endl;
total_warnings_++;
warnings_text += " * " + str + "\n";
if(total_warnings_>=max_warnings_)
fatal_error(element, _("Too many warnings"));
}
void
CanvasParser::error(xmlpp::Node *element, const String &text)
{
string str=strprintf("%s:<%s>:%d: error: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
total_errors_++;
errors_text += " * " + str + "\n";
if(!allow_errors_)
throw runtime_error(str);
cerr<<str.c_str()<<endl;
// synfig::error(str);
}
void
CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
{
string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
throw runtime_error(str);
}
Keyframe
CanvasParser::parse_keyframe(xmlpp::Element *element,Canvas::Handle canvas)
{
assert(element->get_name()=="keyframe");
if(!element->get_attribute("time"))
{
error(element,strprintf(_("<%s> is missing \"%s\" attribute"),"real","time"));
return Keyframe();
}
Keyframe ret(Time(element->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate()));
if(!element->get_children().empty())
if(!element->get_child_text()->get_content().empty())
ret.set_description(element->get_child_text()->get_content());
bool active=true;
if(element->get_attribute("active"))
{
string val=element->get_attribute("active")->get_value();
if(val=="false" || val=="0")
active=false;
}
ret.set_active(active);
return ret;
}
Real
CanvasParser::parse_real(xmlpp::Element *element)
{
assert(element->get_name()=="real");
if(!element->get_children().empty())
warning(element, strprintf(_("<%s> should not contain anything"),"real"));
if(!element->get_attribute("value"))
{
error(element,strprintf(_("<%s> is missing \"value\" attribute"),"real"));
return false;
}
string val=element->get_attribute("value")->get_value();
return atof(val.c_str());
}
Time
CanvasParser::parse_time(xmlpp::Element *element,Canvas::Handle canvas)
{
assert(element->get_name()=="time");
if(!element->get_children().empty())
warning(element, strprintf(_("<%s> should not contain anything"),"time"));
if(!element->get_attribute("value"))
{
error(element,strprintf(_("<%s> is missing \"value\" attribute"),"time"));
return false;
}
string val=element->get_attribute("value")->get_value();
return Time(val,canvas->rend_desc().get_frame_rate());
}
int
CanvasParser::parse_integer(xmlpp::Element *element)
{
assert(element->get_name()=="integer");
if(!element->get_children().empty())
warning(element, strprintf(_("<%s> should not contain anything"),"integer"));
if(!element->get_attribute("value"))
{
error(element,strprintf(_("<%s> is missing \"value\" attribute"),"integer"));
return false;
}
string val=element->get_attribute("value")->get_value();
return atoi(val.c_str());
}
GUID
CanvasParser::parse_guid(xmlpp::Element *element)
{
assert(element->get_name()=="guid");
if(!element->get_children().empty())
warning(element, strprintf(_("<%s> should not contain anything"),"guid"));
if(!element->get_attribute("value"))
{
error(element,strprintf(_("<%s> is missing \"value\" attribute"),"guid"));
return false;
}
string val=element->get_attribute("value")->get_value();
return GUID(val);
}
// see 'minor hack' at the end of parse_vector() below
// making this 'static' to give it file local scope
// stops it working (where working means working around
// bug #1509627)
Vector &canvas_parser_vector_id(Vector &vector)
{
return vector;
}
Vector
CanvasParser::parse_vector(xmlpp::Element *element)
{
assert(element->get_name()=="vector");
if(element->get_children().empty())
{
error(element, "Undefined value in <vector>");
return Vector();
}
Vector vect;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child=dynamic_cast<xmlpp::Element*>((xmlpp::Node*)*iter);
if(!child)
continue;
else
if(child->get_name()=="x")
{
if(child->get_children().empty())
{
error(element, "Undefined value in <x>");
return Vector();
}
vect[0]=atof(child->get_child_text()->get_content().c_str());
}
else
if(child->get_name()=="y")
{
if(child->get_children().empty())
{
error(element, "Undefined value in <y>");
return Vector();
}
vect[1]=atof(child->get_child_text()->get_content().c_str());
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
// Minor hack - gcc 4.1.2 and earlier think that we're not using
// 'vect' and optimize it out at -O2 and higher. This convinces
// them that we are really using it.
return canvas_parser_vector_id(vect);
// When the bug is fixed, we can just do this instead:
// return vect;
}
Color
CanvasParser::parse_color(xmlpp::Element *element)
{
assert(element->get_name()=="color");
if(element->get_children().empty())
{
error(element, "Undefined value in <color>");
return Color();
}
Color color(0);
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="r")
{
if(child->get_children().empty())
{
error(element, "Undefined value in <r>");
return Color();
}
color.set_r(atof(child->get_child_text()->get_content().c_str()));
}
else
if(child->get_name()=="g")
{
if(child->get_children().empty())
{
error(element, "Undefined value in <g>");
return Color();
}
color.set_g(atof(child->get_child_text()->get_content().c_str()));
}
else
if(child->get_name()=="b")
{
if(child->get_children().empty())
{
error(element, "Undefined value in <b>");
return Color();
}
color.set_b(atof(child->get_child_text()->get_content().c_str()));
}
else
if(child->get_name()=="a")
{
if(child->get_children().empty())
{
error(element, "Undefined value in <a>");
return Color();
}
color.set_a(atof(child->get_child_text()->get_content().c_str()));
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return color;
}
synfig::String
CanvasParser::parse_string(xmlpp::Element *element)
{
assert(element->get_name()=="string");
if(element->get_children().empty())
return synfig::String();
return element->get_child_text()->get_content();
}
bool
CanvasParser::parse_bool(xmlpp::Element *element)
{
assert(element->get_name()=="bool");
if(!element->get_children().empty())
warning(element, strprintf(_("<%s> should not contain anything"),"bool"));
if(!element->get_attribute("value"))
{
error(element,strprintf(_("<%s> is missing \"value\" attribute"),"bool"));
return false;
}
string val=element->get_attribute("value")->get_value();
if(val=="true" || val=="1")
return true;
if(val=="false" || val=="0")
return false;
error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
return false;
}
Gradient
CanvasParser::parse_gradient(xmlpp::Element *node)
{
assert(node->get_name()=="gradient");
Gradient ret;
xmlpp::Element::NodeList list = node->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
{
Gradient::CPoint cpoint;
cpoint.color=parse_color(child);
if(!child->get_attribute("pos"))
{
error(child,strprintf(_("<%s> is missing \"pos\" attribute"),"gradient"));
return Gradient();
}
cpoint.pos=atof(child->get_attribute("pos")->get_value().c_str());
ret.push_back(cpoint);
}
}
ret.sort();
return ret;
}
ValueBase
CanvasParser::parse_list(xmlpp::Element *element,Canvas::Handle canvas)
{
vector<ValueBase> value_list;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
{
value_list.push_back(parse_value(child,canvas));
if(!value_list.back().is_valid())
{
value_list.pop_back();
error(child,"Bad ValueBase");
continue;
}
}
}
return value_list;
}
Segment
CanvasParser::parse_segment(xmlpp::Element *element)
{
assert(element->get_name()=="segment");
if(element->get_children().empty())
{
error(element, "Undefined value in <segment>");
return Segment();
}
Segment seg;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="p1")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <p1>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
seg.p1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="t1")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <t1>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
seg.t1=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="p2")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <p2>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
seg.p2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="t2")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <t2>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
seg.t2=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return seg;
}
BLinePoint
CanvasParser::parse_bline_point(xmlpp::Element *element)
{
assert(element->get_name()=="bline_point");
if(element->get_children().empty())
{
error(element, "Undefined value in <bline_point>");
return BLinePoint();
}
BLinePoint ret;
ret.set_split_tangent_both(false);
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
// Vertex
if(child->get_name()[0]=='v' || child->get_name()=="p1")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <vertex>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
ret.set_vertex(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Tangent 1
if(child->get_name()=="t1" || child->get_name()=="tangent")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <t1>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
ret.set_tangent1(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Tangent 2
if(child->get_name()=="t2")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <t2>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
ret.set_tangent2(parse_vector(dynamic_cast<xmlpp::Element*>(*iter)));
ret.set_split_tangent_both(true);
}
else
// width
if(child->get_name()=="width")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <width>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// origin
if(child->get_name()=="origin")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <origin>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_origin(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return ret;
}
Transformation
CanvasParser::parse_transformation(xmlpp::Element *element)
{
assert(element->get_name()=="transformation");
if(element->get_children().empty())
{
error(element, "Undefined value in <transformation>");
return Transformation();
}
Transformation transformation;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="offset")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <offset>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
transformation.offset=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="angle")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <angle>");
continue;
}
if((*iter)->get_name()!="angle")
{
error_unexpected_element((*iter),(*iter)->get_name(),"angle");
continue;
}
transformation.angle=parse_angle(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="skew_angle")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <angle>");
continue;
}
if((*iter)->get_name()!="angle")
{
error_unexpected_element((*iter),(*iter)->get_name(),"angle");
continue;
}
transformation.skew_angle=parse_angle(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="scale")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <scale>");
continue;
}
if((*iter)->get_name()!="vector")
{
error_unexpected_element((*iter),(*iter)->get_name(),"vector");
continue;
}
transformation.scale=parse_vector(dynamic_cast<xmlpp::Element*>(*iter));
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return transformation;
}
WidthPoint
CanvasParser::parse_width_point(xmlpp::Element *element)
{
assert(element->get_name()=="width_point");
if(element->get_children().empty())
{
error(element, "Undefined value in <width_point>");
return WidthPoint();
}
WidthPoint ret;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
// Position
if(child->get_name()=="position")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <position>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_position(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Width
if(child->get_name()=="width")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <width>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_width(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Side type before
if(child->get_name()=="side_before")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <side_before>");
continue;
}
if((*iter)->get_name()!="integer")
{
error_unexpected_element((*iter),(*iter)->get_name(),"integer");
continue;
}
ret.set_side_type_before(parse_integer(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Side type after
if(child->get_name()=="side_after")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <side_after>");
continue;
}
if((*iter)->get_name()!="integer")
{
error_unexpected_element((*iter),(*iter)->get_name(),"integer");
continue;
}
ret.set_side_type_after(parse_integer(dynamic_cast<xmlpp::Element*>(*iter)));
}
// Lower Boundary
if(child->get_name()=="lower_bound")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <lower_bound>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_lower_bound(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
// Upper Boundary
if(child->get_name()=="upper_bound")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <upper_bound>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_upper_bound(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
error_unexpected_element(child,child->get_name());
}
return ret;
}
DashItem
CanvasParser::parse_dash_item(xmlpp::Element *element)
{
assert(element->get_name()=="dash_item");
if(element->get_children().empty())
{
error(element, "Undefined value in <dash_item>");
return DashItem();
}
DashItem ret;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
// Offset
if(child->get_name()=="offset")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <offset>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_offset(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Length
if(child->get_name()=="length")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <length>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
ret.set_length(parse_real(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Side type before
if(child->get_name()=="side_before")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <side_before>");
continue;
}
if((*iter)->get_name()!="integer")
{
error_unexpected_element((*iter),(*iter)->get_name(),"integer");
continue;
}
ret.set_side_type_before(parse_integer(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
// Side type after
if(child->get_name()=="side_after")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <side_after>");
continue;
}
if((*iter)->get_name()!="integer")
{
error_unexpected_element((*iter),(*iter)->get_name(),"integer");
continue;
}
ret.set_side_type_after(parse_integer(dynamic_cast<xmlpp::Element*>(*iter)));
}
else
error_unexpected_element(child,child->get_name());
}
return ret;
}
Angle
CanvasParser::parse_angle(xmlpp::Element *element)
{
assert(element->get_name()=="angle");
if(!element->get_children().empty())
warning(element, strprintf(_("<%s> should not contain anything"),"angle"));
if(!element->get_attribute("value"))
{
error(element,strprintf(_("<%s> is missing \"value\" attribute"),"angle"));
return Angle();
}
string val=element->get_attribute("value")->get_value();
return Angle::deg(atof(val.c_str()));
}
ValueBase
CanvasParser::parse_weighted_value(xmlpp::Element *element, types_namespace::TypeWeightedValueBase &type, Canvas::Handle canvas)
{
assert(element->get_name()==type.description.name);
if(element->get_children().empty())
{
error(element, "Undefined value in <" + type.description.name + ">");
return ValueBase();
}
Real weight = 0.0;
ValueBase value;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="weight")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <weight>");
continue;
}
if((*iter)->get_name()!="real")
{
error_unexpected_element((*iter),(*iter)->get_name(),"real");
continue;
}
weight = parse_real(dynamic_cast<xmlpp::Element*>(*iter));
}
else
if(child->get_name()=="value")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <value>");
continue;
}
if((*iter)->get_name()!=type.get_contained_type().description.name)
{
error_unexpected_element((*iter),(*iter)->get_name(),type.get_contained_type().description.name);
continue;
}
value = parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return type.create_weighted_value(weight, value);
}
ValueBase
CanvasParser::parse_pair(xmlpp::Element *element, types_namespace::TypePairBase &type, Canvas::Handle canvas)
{
assert(element->get_name()==type.description.name);
if(element->get_children().empty())
{
error(element, "Undefined value in <" + type.description.name + ">");
return ValueBase();
}
ValueBase first;
ValueBase second;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="first")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <first>");
continue;
}
if((*iter)->get_name()!=type.get_first_type().description.name)
{
error_unexpected_element((*iter),(*iter)->get_name(),type.get_first_type().description.name);
continue;
}
first = parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
}
else
if(child->get_name()=="second")
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(element, "Undefined value in <second>");
continue;
}
if((*iter)->get_name()!=type.get_second_type().description.name)
{
error_unexpected_element((*iter),(*iter)->get_name(),type.get_second_type().description.name);
continue;
}
second = parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return type.create_value(first, second);
}
Interpolation
CanvasParser::parse_interpolation(xmlpp::Element *element,String attribute)
{
if(!element->get_attribute(attribute))
return INTERPOLATION_UNDEFINED;
string val=element->get_attribute(attribute)->get_value();
if(val=="halt")
return INTERPOLATION_HALT;
else if(val=="constant")
return INTERPOLATION_CONSTANT;
else if(val=="linear")
return INTERPOLATION_LINEAR;
else if(val=="manual")
return INTERPOLATION_MANUAL;
else if(val=="auto")
return INTERPOLATION_TCB;
else if(val=="clamped")
return INTERPOLATION_CLAMPED;
else
error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),attribute.c_str()));
return INTERPOLATION_UNDEFINED;
}
bool
CanvasParser::parse_static(xmlpp::Element *element)
{
if(!element->get_attribute("static"))
return false;
string val=element->get_attribute("static")->get_value();
if(val=="true" || val=="1")
return true;
if(val=="false" || val=="0")
return false;
error(element,strprintf(_("Bad value \"%s\" in <%s>"),val.c_str(),"bool"));
return false;
}
ValueBase
CanvasParser::parse_value(xmlpp::Element *element,Canvas::Handle canvas)
{
if(element->get_name()=="real")
{
ValueBase ret;
ret.set(parse_real(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="time")
{
ValueBase ret;
ret.set(parse_time(element,canvas));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="integer")
{
ValueBase ret;
ret.set(parse_integer(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="string")
{
ValueBase ret;
ret.set(parse_string(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="vector")
{
ValueBase ret;
ret.set(parse_vector(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="color")
{
ValueBase ret;
ret.set(parse_color(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="segment")
{
ValueBase ret;
ret.set(parse_segment(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="list")
return parse_list(element,canvas);
else
if(element->get_name()=="gradient")
{
ValueBase ret;
ret.set(parse_gradient(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="bool")
{
ValueBase ret;
ret.set(parse_bool(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
{
ValueBase ret;
ret.set(parse_angle(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="bline_point")
return parse_bline_point(element);
else
if(element->get_name()=="guid")
return parse_guid(element).get_string();
else
if(element->get_name()=="width_point")
return parse_width_point(element);
else
if(element->get_name()=="dash_item")
return parse_dash_item(element);
else
if(element->get_name()=="transformation")
{
ValueBase ret;
ret.set(parse_transformation(element));
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
else
if(element->get_name()=="canvas")
{
ValueBase ret;
ret.set(parse_canvas(element,canvas,true));
ret.set_static(parse_static(element));
return ret;
}
else
{
// template types
Type *type = Type::try_get_type_by_name(element->get_name());
{ // weighted value
types_namespace::TypeWeightedValueBase *type_weighted_value =
dynamic_cast<types_namespace::TypeWeightedValueBase*>(type);
if (type_weighted_value != NULL)
{
ValueBase ret = parse_weighted_value(element, *type_weighted_value, canvas);
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
}
{ // pair
types_namespace::TypePairBase *type_pair =
dynamic_cast<types_namespace::TypePairBase*>(type);
if (type_pair != NULL)
{
ValueBase ret = parse_pair(element, *type_pair, canvas);
ret.set_static(parse_static(element));
ret.set_interpolation(parse_interpolation(element,"interpolation"));
return ret;
}
}
// else
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(element,element->get_name());
}
return ValueBase();
}
ValueNode_Animated::Handle
CanvasParser::parse_animated(xmlpp::Element *element,Canvas::Handle canvas)
{
assert(element->get_name()=="hermite" || element->get_name()=="animated");
if(!element->get_attribute("type"))
{
error(element,"Missing attribute \"type\" in <animated>");
return ValueNode_Animated::Handle();
}
Type &type = ValueBase::ident_type(element->get_attribute("type")->get_value());
if(type == type_nil)
{
error(element,"Bad type in <animated>");
return ValueNode_Animated::Handle();
}
ValueNode_Animated::Handle value_node=ValueNode_Animated::create(type);
if(!value_node)
{
error(element,strprintf(_("Unable to create <animated> with type \"%s\""), type.description.local_name.c_str()));
return ValueNode_Animated::Handle();
}
value_node->set_root_canvas(canvas->get_root());
if(element->get_attribute("interpolation"))
{
value_node->set_interpolation(parse_interpolation(element, "interpolation"));
}
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="waypoint")
{
if(!child->get_attribute("time"))
{
error(child,_("<waypoint> is missing attribute \"time\""));
continue;
}
Time time(child->get_attribute("time")->get_value(),canvas->rend_desc().get_frame_rate());
ValueNode::Handle waypoint_value_node;
xmlpp::Element::NodeList list = child->get_children();
if(child->get_attribute("use"))
{
if(!list.empty())
warning(child,_("Found \"use\" attribute for <waypoint>, but it wasn't empty. Ignoring contents..."));
// the waypoint might look like this, in which case we won't find "mycanvas" in the list of valuenodes, 'cos it's a canvas
//
// <animated type="canvas">
// <waypoint time="0s" use="mycanvas"/>
// </animated>
if (type==type_canvas)
{
String warnings;
waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value(), warnings));
warnings_text += warnings;
}
else
waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
if(PlaceholderValueNode::Handle::cast_dynamic(waypoint_value_node))
error(child, strprintf(_("Unknown ID (%s) referenced in waypoint"),child->get_attribute("use")->get_value().c_str()));
}
else
{
if(child->get_children().empty())
{
error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
continue;
}
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
continue;
}
waypoint_value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
/*
ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
if(!data.is_valid())
{
error(child,_("Bad data for <waypoint>"));
continue;
}
*/
if(!waypoint_value_node)
{
error(child,_("Bad data for <waypoint>"));
continue;
}
/*! HACK -- This is a temporary fix to help repair some
** weirdness that is currently going on (10-21-2004).
** This short circuits the linking of waypoints,
** a feature which is so obscure that we can get
** away with something like this pretty easily.
*/
// doo waypoint_value_node=waypoint_value_node->clone(canvas);
//note: commented out as part of bones branch merge
// Warn if there is trash after the param value
for(iter++; iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter))
warning((*iter),strprintf(_("Unexpected element <%s> after <waypoint> data, ignoring..."),(*iter)->get_name().c_str()));
}
try {
ValueNode_Animated::WaypointList::iterator waypoint=value_node->new_waypoint(time,waypoint_value_node);
if(child->get_attribute("tension"))
{
synfig::String str(child->get_attribute("tension")->get_value());
waypoint->set_tension(atof(str.c_str()));
}
if(child->get_attribute("temporal-tension"))
{
synfig::String str(child->get_attribute("temporal-tension")->get_value());
waypoint->set_temporal_tension(atof(str.c_str()));
}
if(child->get_attribute("continuity"))
{
synfig::String str(child->get_attribute("continuity")->get_value());
waypoint->set_continuity(atof(str.c_str()));
}
if(child->get_attribute("bias"))
{
synfig::String str(child->get_attribute("bias")->get_value());
waypoint->set_bias(atof(str.c_str()));
}
if(child->get_attribute("before"))
{
waypoint->set_before(parse_interpolation(child,"before"));
}
if(child->get_attribute("after"))
{
waypoint->set_after(parse_interpolation(child,"after"));
}
}
catch(Exception::BadTime& x)
{
warning(child, x.what());
}
continue;
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
// in canvas version 0.1, angles used to wrap, so to get from -179
// degrees to 180 degrees meant a 1 degree change
// in canvas version 0.2 they don't, so that's a 359 degree change
// when loading a version 0.1 canvas, modify constant angle
// waypoints to that they are within 180 degrees of the previous
// waypoint's value
if (type == type_angle)
{
if (canvas->get_version() == "0.1")
{
bool first = true;
Real angle, prev = 0;
WaypointList &wl = value_node->editable_waypoint_list();
for (WaypointList::iterator iter = wl.begin(); iter != wl.end(); iter++)
{
angle = Angle::deg(iter->get_value(iter->get_time()).get(Angle())).get();
if (first)
first = false;
else if (iter->get_value_node()->get_name() == "constant")
{
if (angle - prev > 180)
{
while (angle - prev > 180) angle -= 360;
iter->set_value(Angle::deg(angle));
}
else if (prev - angle > 180)
{
while (prev - angle > 180) angle += 360;
iter->set_value(Angle::deg(angle));
}
}
prev = angle;
}
}
}
value_node->changed();
return value_node;
}
etl::handle<LinkableValueNode>
CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_linkable_value_node\n", __FILE__, __LINE__);
// Determine the type
if(!element->get_attribute("type"))
{
error(element, strprintf(_("Missing attribute \"type\" in <%s>"), element->get_name().c_str()));
printf("%s:%d parse_linkable_value_node done missing attr\n", __FILE__, __LINE__);
return 0;
}
Type &type = ValueBase::ident_type(element->get_attribute("type")->get_value());
if(type == type_nil)
{
error(element, strprintf(_("Bad type in <%s>"), element->get_name().c_str()));
printf("%s:%d parse_linkable_value_node done bad type\n", __FILE__, __LINE__);
return 0;
}
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d creating linkable '%s' type '%s'\n", __FILE__, __LINE__, element->get_name().c_str(), type.description.name.c_str());
handle<LinkableValueNode> value_node=ValueNodeRegistry::create(element->get_name(),type);
//handle<ValueNode> c[value_node->link_count()]; changed because of clang complain
std::vector<handle<ValueNode> > c(value_node->link_count());
if(!value_node)
{
error(element, strprintf(_("Error creating ValueNode <%s> with type '%s'. Refer to '%s'"),
element->get_name().c_str(),
type.description.local_name.c_str(),
VALUENODE_COMPATIBILITY_URL));
printf("%s:%d parse_linkable_value_node done error creating\n", __FILE__, __LINE__);
return 0;
}
if(value_node->get_type()!=type)
{
error(element, strprintf(_("<%s> did not accept type '%s'"),
element->get_name().c_str(),
type.description.local_name.c_str()));
printf("%s:%d parse_linkable_value_node unacceptable type\n", __FILE__, __LINE__);
return 0;
}
// handle exported valuenodes
{
int index;
String id, name;
xmlpp::Element::AttributeList attrib_list(element->get_attributes());
for(xmlpp::Element::AttributeList::iterator iter = attrib_list.begin(); iter != attrib_list.end(); iter++)
{
name = (*iter)->get_name();
id = (*iter)->get_value();
if (name == "guid" || name == "id" || name == "type")
continue;
try {
bool load_old_weighted_bonelink = false;
if (ValueNode_BoneLink::Handle::cast_dynamic(value_node) && name == "bone_weight_list")
{
name = "bone";
load_old_weighted_bonelink = true;
}
index = value_node->get_link_index_from_name(name);
if(c[index])
{
error(element,strprintf(_("'%s' was already defined in <%s>"),
name.c_str(),
element->get_name().c_str()));
continue;
}
int placeholders(canvas->value_node_list().placeholder_count());
c[index] = canvas->surefind_value_node(id);
if(placeholders == canvas->value_node_list().placeholder_count())
if(PlaceholderValueNode::Handle::cast_dynamic(c[index]) )
throw Exception::IDNotFound("parse_linkable_value_noode()");
if (!c[index])
{
error(element, strprintf(_("'%s' attribute in <%s> references unknown ID '%s'"),
name.c_str(),
element->get_name().c_str(),
id.c_str()));
continue;
}
if (load_old_weighted_bonelink)
{
ValueNode_StaticList::Handle list = ValueNode_StaticList::Handle::cast_dynamic(c[index]);
ValueNode_BoneWeightPair::Handle wp = ValueNode_BoneWeightPair::Handle::cast_dynamic(list->get_link_vfunc(0));
ValueNode::Handle bone = wp->get_link_vfunc(0);
c[index] = bone;
}
if(!value_node->set_link(index, c[index]))
{
error(element, strprintf(_("Unable to set link '\"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),
value_node->link_name(index).c_str(),
id.c_str(),
index,
element->get_name().c_str()));
continue;
}
// printf(" <%s> set link %d (%s) using exported value\n", element->get_name().c_str(), index, name.c_str());
}
catch (Exception::BadLinkName&)
{
warning(element, strprintf("Bad link name '%s'", name.c_str()));
}
catch(Exception::IDNotFound&)
{
error(element,"Unable to resolve " + id);
}
catch(Exception::FileNotFound&)
{
error(element,"Unable to open file referenced in " + id);
}
catch(...)
{
error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""), id.c_str()));
throw;
}
}
}
// handle inline valuenodes
{
int index;
String child_name;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
try
{
if(!child)
continue;
child_name = child->get_name();
bool load_old_weighted_bonelink = false;
if (ValueNode_BoneLink::Handle::cast_dynamic(value_node) && child_name == "bone_weight_list"){
synfig::info("!!!");
child_name = "bone";
load_old_weighted_bonelink = true;
}
index = value_node->get_link_index_from_name(child_name);
if(c[index])
{
error(child, strprintf(_("'%s' was already defined in <%s>"),
child_name.c_str(),
element->get_name().c_str()));
break;
}
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(child,strprintf(_("element <%s> is missing its contents"),
child_name.c_str()));
continue;
}
c[index]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
if(!c[index])
{
error((*iter),strprintf(_("Parse of '%s' failed"),
child_name.c_str()));
continue;
}
if (load_old_weighted_bonelink)
{
ValueNode_StaticList::Handle list = ValueNode_StaticList::Handle::cast_dynamic(c[index]);
ValueNode_BoneWeightPair::Handle wp = ValueNode_BoneWeightPair::Handle::cast_dynamic(list->get_link_vfunc(0));
ValueNode::Handle bone = wp->get_link_vfunc(0);
c[index] = bone;
}
if(!value_node->set_link(index,c[index]))
{
error(child,strprintf(_("Unable to connect value node ('%s' of type '%s') to link %d (%s)"),
c[index]->get_name().c_str(),
c[index]->get_type().description.local_name.c_str(),
index,
value_node->link_name(index).c_str()));
continue;
}
// \todo do a search for more elements and warn if they are found
// printf(" <%s> set link %d (%s) using inline value\n", element->get_name().c_str(), index, child_name.c_str());
}
catch(Exception::BadLinkName&)
{
warning(child, strprintf("Bad link name for <%s>", element->get_name().c_str()));
}
catch(...)
{
error(child, strprintf(_("Unknown Exception thrown when working on element \"%s\""),child_name.c_str()));
throw;
}
}
}
String version(canvas->get_version());
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d link_count() is %d\n", __FILE__, __LINE__, value_node->link_count());
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d value_node is %s\n", __FILE__, __LINE__, value_node->get_string().c_str());
for (int i = 0; i < value_node->link_count(); i++)
{
if (!c[i])
{
// the 'width' parameter of <stripes> wasn't always present in version 0.1 canvases
if (version == "0.1" && element->get_name() == "stripes" && value_node->link_name(i) == "width")
continue;
// these 3 blinecalctangent parameters didn't appear until canvas version 0.5
if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4") &&
element->get_name() == "blinecalctangent" &&
(value_node->link_name(i) == "offset" ||
value_node->link_name(i) == "scale" ||
value_node->link_name(i) == "fixed_length"))
continue;
// 'scale' was added while canvas version 0.5 was in use
if ((version == "0.3" || version == "0.4" || version == "0.5") &&
element->get_name() == "blinecalcwidth" &&
value_node->link_name(i) == "scale")
continue;
// 'loop' was added while canvas version 0.5 was in use, as was the 'gradientcolor' node type
if (version == "0.5" &&
element->get_name() == "gradientcolor" &&
value_node->link_name(i) == "loop")
continue;
// 'loop' was added while canvas version 0.6 was in use; the 'random' node was added back when 0.1 was in use
if ((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4" || version == "0.5" || version == "0.6") &&
element->get_name() == "random" &&
value_node->link_name(i) == "loop")
continue;
// todo: remove this - it's temporary; accept bones with 'scalel' missing - it's new
// todo: remove this AFTER release, which is subsequent to 0.64.1
if (element->get_name() == "bone" &&
(value_node->link_name(i) == "scalel" ||
value_node->link_name(i) == "scalelx" ||
value_node->link_name(i) == "scalely" ||
value_node->link_name(i) == "width" ||
value_node->link_name(i) == "tipwidth" ||
value_node->link_name(i) == "bone_depth"))
continue;
// 'homogeneous' was added while canvas version 0.7 was in use and the BLineCalcVertex,
// BLineCalcTangent and BLineCalcWidth have been modified since canvas version 0.5
if ((version == "0.5" || version == "0.6" || version == "0.7") &&
(element->get_name() == "blinecalcvertex" || element->get_name() == "blinecalctangent" || element->get_name() == "blinecalcwidth") &&
value_node->link_name(i) == "homogeneous")
{
// old versions aren't homogeneous (new versions are homogeneous by default)
value_node->set_link("homogeneous", ValueNode_Const::create(bool(false)));
continue;
}
// 'lower_bound' was added while canvas 0.8 was in use and
// ValueNode_Composite has been modified since canvas version 0.7
if((version=="0.8" || version =="0.7") &&
(element->get_name() == "composite") && value_node->link_name(i) =="lower_bound")
{
// old versions have lower boundary set to 0.0
value_node->set_link("lower_bound", ValueNode_Const::create(Real(0.0)));
continue;
}
// 'upper_bound' was added while canvas 0.8 was in use and
// ValueNode_Composite has been modified since canvas version 0.7
if((version=="0.8" || version =="0.7") &&
(element->get_name() == "composite") && value_node->link_name(i) =="upper_bound")
{
// old versions have upper boundary set to 1.0
value_node->set_link("upper_bound", ValueNode_Const::create(Real(1.0)));
continue;
}
// 'split_radius' was added while canvas 0.9 was in use and
// ValueNode_Composite has been modified since canvas version 0.7
if((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4" || version == "0.5" || version == "0.6" || version=="0.7" || version=="0.8" || version =="0.9") &&
(element->get_name() == "composite") && value_node->link_name(i) =="split_radius")
{
// old versions must have split_radius and split_angle set to the same value node than split
value_node->set_link("split_radius", value_node->get_link("split")->clone(canvas));
continue;
}
// 'split_angle' was added while canvas 0.9 was in use and
// ValueNode_Composite has been modified since canvas version 0.7
if((version == "0.1" || version == "0.2" || version == "0.3" || version == "0.4" || version == "0.5" || version == "0.6" || version=="0.7" || version=="0.8" || version =="0.9") &&
(element->get_name() == "composite") && value_node->link_name(i) =="split_angle")
{
// old versions must have split_radius and split_angle set to the same value node than split
value_node->set_link("split_angle", value_node->get_link(value_node->get_link_index_from_name("split"))->clone(canvas));
continue;
}
error(element, strprintf(_("<%s> is missing link %d (%s)"),
element->get_name().c_str(),
i,
value_node->link_name(i).c_str()));
return 0;
}
}
// pre 0.4 canvases had *calctangent outputs scaled down by 0.5 for some reason
if (element->get_name() == "blinecalctangent" || element->get_name() == "segcalctangent")
{
if (version == "0.1" || version == "0.2" || version == "0.3")
{
handle<LinkableValueNode> scale_value_node=ValueNodeRegistry::create("scale",type);
scale_value_node->set_link("link", value_node);
scale_value_node->set_link("scalar", ValueNode_Const::create(Real(0.5)));
value_node = scale_value_node;
}
}
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_linkable_value_node done\n", __FILE__, __LINE__);
return value_node;
}
handle<ValueNode_StaticList>
CanvasParser::parse_static_list(xmlpp::Element *element,Canvas::Handle canvas)
{
assert(element->get_name()=="static_list");
if(!element->get_attribute("type"))
{
error(element,"Missing attribute \"type\" in <list>");
return handle<ValueNode_StaticList>();
}
Type &type=ValueBase::ident_type(element->get_attribute("type")->get_value());
if(type == type_nil)
{
error(element,"Bad type in <list>");
return handle<ValueNode_StaticList>();
}
handle<ValueNode_StaticList> value_node;
value_node=ValueNode_StaticList::create_on_canvas(type);
if(!value_node)
{
error(element,strprintf(_("Unable to create <list>")));
return handle<ValueNode_StaticList>();
}
value_node->set_root_canvas(canvas->get_root());
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="entry")
{
ValueNode::Handle list_entry;
if(child->get_attribute("use"))
{
// \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
string id=child->get_attribute("use")->get_value();
try
{
list_entry=canvas->surefind_value_node(id);
}
catch(Exception::IDNotFound&)
{
error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
continue;
}
}
else
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
continue;
}
list_entry=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
if(!list_entry)
error((*iter),"Parse of ValueNode failed");
// \todo do a search for more elements and warn if they are found
}
value_node->add(list_entry);
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return value_node;
}
// This will also parse a bline
handle<ValueNode_DynamicList>
CanvasParser::parse_dynamic_list(xmlpp::Element *element,Canvas::Handle canvas)
{
assert(element->get_name()=="dynamic_list" ||
element->get_name()=="bline" ||
element->get_name()=="wplist" ||
element->get_name()=="dilist" ||
element->get_name()=="weighted_average" );
const float fps(canvas?canvas->rend_desc().get_frame_rate():0);
if(!element->get_attribute("type"))
{
error(element,"Missing attribute \"type\" in <dynamic_list>");
return handle<ValueNode_DynamicList>();
}
Type &type = ValueBase::ident_type(element->get_attribute("type")->get_value());
if(type == type_nil)
{
error(element,"Bad type in <dynamic_list>");
return handle<ValueNode_DynamicList>();
}
handle<ValueNode_DynamicList> value_node;
handle<ValueNode_BLine> bline_value_node;
handle<ValueNode_WPList> wplist_value_node;
handle<ValueNode_DIList> dilist_value_node;
handle<ValueNode_WeightedAverage> weightedaverage_value_node;
if(element->get_name()=="bline")
{
value_node=bline_value_node=ValueNode_BLine::create(type_list, canvas);
if(element->get_attribute("loop"))
{
String loop=element->get_attribute("loop")->get_value();
if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
bline_value_node->set_loop(true);
else
bline_value_node->set_loop(false);
}
}
else if(element->get_name()=="wplist")
{
value_node=wplist_value_node=ValueNode_WPList::create();
if(element->get_attribute("loop"))
{
String loop=element->get_attribute("loop")->get_value();
if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
wplist_value_node->set_loop(true);
else
wplist_value_node->set_loop(false);
}
}
else if(element->get_name()=="dilist")
{
value_node=dilist_value_node=ValueNode_DIList::create();
if(element->get_attribute("loop"))
{
String loop=element->get_attribute("loop")->get_value();
if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
dilist_value_node->set_loop(true);
else
dilist_value_node->set_loop(false);
}
}
else if(element->get_name()=="weighted_average")
{
Type& contained_type = ValueAverage::get_type_from_weighted(type);
weightedaverage_value_node=new ValueNode_WeightedAverage(contained_type, canvas);
value_node=ValueNode_DynamicList::Handle::cast_dynamic(weightedaverage_value_node);
if(element->get_attribute("loop"))
{
String loop=element->get_attribute("loop")->get_value();
if(loop=="true" || loop=="1" || loop=="TRUE" || loop=="True")
weightedaverage_value_node->set_loop(true);
else
weightedaverage_value_node->set_loop(false);
}
}
else
value_node=ValueNode_DynamicList::create_on_canvas(type);
if(!value_node)
{
error(element,strprintf(_("Unable to create <dynamic_list>")));
return handle<ValueNode_DynamicList>();
}
value_node->set_root_canvas(canvas->get_root());
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="entry")
{
ValueNode_DynamicList::ListEntry list_entry;
// Parse begin/end waypoints
{
typedef synfig::ValueNode_DynamicList::ListEntry::Activepoint Activepoint;
typedef synfig::ValueNode_DynamicList::ListEntry::ActivepointList ActivepointList;
String begin_sequence;
String end_sequence;
ActivepointList &timing_info(list_entry.timing_info);
if(child->get_attribute("begin"))
begin_sequence=child->get_attribute("begin")->get_value();
if(child->get_attribute("on"))
begin_sequence=child->get_attribute("on")->get_value();
if(child->get_attribute("end"))
end_sequence=child->get_attribute("end")->get_value();
if(child->get_attribute("off"))
end_sequence=child->get_attribute("off")->get_value();
// clear out any auto-start
if(!begin_sequence.empty())
timing_info.clear();
//! \optimize
while(!begin_sequence.empty())
{
String::iterator iter(find(begin_sequence.begin(),begin_sequence.end(),','));
String timecode(begin_sequence.begin(), iter);
int priority=0;
// skip whitespace before checking for a priority
while (isspace(timecode[0]))
timecode=timecode.substr(1);
// If there is a priority, then grab it and remove
// it from the timecode
if(timecode[0]=='p')
{
//priority=timecode[1]-'0';
//timecode=String(timecode.begin()+3,timecode.end());
int space=timecode.find_first_of(' ');
priority=atoi(String(timecode,1,space-1).c_str());
timecode=String(timecode.begin()+space+1,timecode.end());
//synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
}
timing_info.push_back(
Activepoint(
Time(
timecode,
fps
),
true, // Mark as a "on" activepoint
priority
)
);
if(iter==begin_sequence.end())
begin_sequence.clear();
else
begin_sequence=String(iter+1,begin_sequence.end());
}
//! \optimize
while(!end_sequence.empty())
{
String::iterator iter(find(end_sequence.begin(),end_sequence.end(),','));
String timecode(end_sequence.begin(), iter);
int priority=0;
// skip whitespace before checking for a priority
while (isspace(timecode[0]))
timecode=timecode.substr(1);
// If there is a priority, then grab it and remove
// it from the timecode
if(timecode[0]=='p')
{
//priority=timecode[1]-'0';
//timecode=String(timecode.begin()+3,timecode.end());
int space=timecode.find_first_of(' ');
priority=atoi(String(timecode,1,space-1).c_str());
timecode=String(timecode.begin()+space+1,timecode.end());
//synfig::info("priority: %d timecode: %s",priority,timecode.c_str());
}
timing_info.push_back(
Activepoint(
Time(
timecode,
fps
),
false, // Mark as a "off" activepoint
priority
)
);
if(iter==end_sequence.end())
end_sequence.clear();
else
end_sequence=String(iter+1,end_sequence.end());
}
timing_info.sort();
}
if(child->get_attribute("use"))
{
// \todo does this need to be able to read 'use="canvas"', like waypoints can now? (see 'surefind_canvas' in this file)
string id=child->get_attribute("use")->get_value();
try
{
list_entry.value_node=canvas->surefind_value_node(id);
if(PlaceholderValueNode::Handle::cast_dynamic(list_entry.value_node))
throw Exception::IDNotFound("parse_dynamic_list()");
}
catch(Exception::IDNotFound&)
{
error(child,"\"use\" attribute in <entry> references unknown ID -- "+id);
continue;
}
}
else
{
xmlpp::Element::NodeList list = child->get_children();
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter)) break;
if(iter==list.end())
{
error(child,strprintf(_("<entry> is missing its contents or missing \"use\" element")));
continue;
}
list_entry.value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
if(!list_entry.value_node)
error((*iter),"Parse of ValueNode failed");
// \todo do a search for more elements and warn if they are found
}
value_node->add(list_entry);
value_node->set_link(value_node->link_count()-1,list_entry.value_node);
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
return value_node;
}
handle<ValueNode>
CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node\n", __FILE__, __LINE__);
handle<ValueNode> value_node;
assert(element);
GUID guid;
if(element->get_attribute("guid"))
{
guid=GUID(element->get_attribute("guid")->get_value())^canvas->get_root()->get_guid();
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d got guid %s\n", __FILE__, __LINE__, guid.get_string().c_str());
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d and element name = '%s'\n", __FILE__, __LINE__, element->get_name().c_str());
value_node=guid_cast<ValueNode>(guid);
if(value_node)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node done early\n", __FILE__, __LINE__);
if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()) != type_nil)
{
if (element->get_name() == "bone_valuenode")
{
ValueNode_Bone::Handle value_node_bone(ValueNode_Bone::Handle::cast_dynamic(value_node));
if (!value_node_bone)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d bone_valuenode isn't a ValueNode_Bone? It's a placeholder?\n", __FILE__, __LINE__);
return value_node;
}
return ValueNode_Const::create(ValueBase(value_node_bone));
}
}
return value_node;
}
}
// If ValueBase::ident_type() recognizes the name, then we know it's a ValueBase
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d element name = '%s'\n", __FILE__, __LINE__, element->get_name().c_str());
if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()) != type_nil)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_value\n", __FILE__, __LINE__);
ValueBase data=parse_value(element,canvas);
if(!data.is_valid())
{
error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
printf("%s:%d parse_value_node done bad data\n", __FILE__, __LINE__);
return value_node;
}
// We want to convert this ValueBase into a
// ValueNode_Const. That way, we can treat the
// ID like any other Datanode. Think of this
// as a shorthand for creating constant ValueNodes.
value_node=ValueNode_Const::create(data);
}
else
if(element->get_name()=="hermite" || element->get_name()=="animated")
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_animated\n", __FILE__, __LINE__);
value_node=parse_animated(element,canvas);
}
else
if(element->get_name()=="static_list")
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_static_list\n", __FILE__, __LINE__);
value_node=parse_static_list(element,canvas);
}
else
if(element->get_name()=="dynamic_list")
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_dynamic_list\n", __FILE__, __LINE__);
value_node=parse_dynamic_list(element,canvas);
}
else
if(element->get_name()=="bline") // This is not a typo. The dynamic list parser will parse a bline.
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_dynamic_list for bline\n", __FILE__, __LINE__);
value_node=parse_dynamic_list(element,canvas);
}
else
if(element->get_name()=="wplist") // This is not a typo. The dynamic list parser will parse a wplist.
value_node=parse_dynamic_list(element,canvas);
else
if(element->get_name()=="dilist") // This is not a typo. The dynamic list parser will parse a dilist.
value_node=parse_dynamic_list(element,canvas);
else
if(element->get_name()=="weighted_average") // This is not a typo. The dynamic list parser will parse a weighted_average.
value_node=parse_dynamic_list(element,canvas);
else
if(ValueNodeRegistry::book().count(element->get_name()))
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_linkable_value_node\n", __FILE__, __LINE__);
value_node=parse_linkable_value_node(element,canvas);
if (!value_node)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_linkable_value_node gave us a null valuenode\n", __FILE__, __LINE__);
value_node = PlaceholderValueNode::create();
}
}
else
if(element->get_name()=="canvas")
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node calls parse_canvas\n", __FILE__, __LINE__);
value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
}
else
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node doesn't know what to call\n", __FILE__, __LINE__);
error_unexpected_element(element,element->get_name());
error(element, strprintf(_("Expected a ValueNode. Refer to '%s'"),
VALUENODE_COMPATIBILITY_URL));
value_node=PlaceholderValueNode::create();
}
value_node->set_root_canvas(canvas->get_root());
// If we were successful, and our element has
// an ID attribute, go ahead and add it to the
// value_node list
if(value_node && element->get_attribute("id"))
{
string id=element->get_attribute("id")->get_value();
//value_node->set_id(id);
// If there is already a value_node in the list
// with the same ID, then that is an error
try { canvas->add_value_node(value_node,id); }
catch (Exception::BadLinkName&)
{
warning(element,strprintf(_("Bad ID \"%s\""),id.c_str()));
printf("%s:%d parse_value_node done bad id\n", __FILE__, __LINE__);
return value_node;
}
catch (Exception::IDAlreadyExists&)
{
error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
printf("%s:%d parse_value_node done dup id\n", __FILE__, __LINE__);
return value_node;
}
catch(...)
{
error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
throw;
}
}
value_node->set_guid(guid);
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_value_node done\n", __FILE__, __LINE__);
return value_node;
}
void
CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_canvas_defs\n", __FILE__, __LINE__);
assert(element->get_name()=="defs");
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="canvas")
parse_canvas(child, canvas);
else
parse_value_node(child,canvas);
}
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_canvas_defs done\n", __FILE__, __LINE__);
}
std::list<ValueNode::Handle>
CanvasParser::parse_canvas_bones(xmlpp::Element *element,Canvas::Handle canvas)
{
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_canvas_bones\n", __FILE__, __LINE__);
assert(element->get_name()=="bones");
xmlpp::Element::NodeList list = element->get_children();
std::list<ValueNode::Handle> bone_list;
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
bone_list.push_back(parse_value_node(child,canvas));
}
if (getenv("SYNFIG_DEBUG_LOAD_CANVAS")) printf("%s:%d parse_canvas_bones done\n", __FILE__, __LINE__);
return bone_list;
}
Layer::Handle
CanvasParser::parse_layer(xmlpp::Element *element,Canvas::Handle canvas)
{
assert(element->get_name()=="layer");
Layer::Handle layer;
if(!element->get_attribute("type"))
{
error(element,_("Missing \"type\" attribute to \"layer\" element"));
return Layer::Handle();
}
if(element->get_attribute("type")->get_value() == "filled_rectangle")
layer=Layer::create("rectangle");
else layer=Layer::create(element->get_attribute("type")->get_value());
layer->set_canvas(canvas);
if(element->get_attribute("group"))
{
layer->add_to_group(
element->get_attribute("group")->get_value()
);
}
// Handle the version attribute
String version;
if(element->get_attribute("version"))
{
version = element->get_attribute("version")->get_value();
if(version>layer->get_version())
warning(element,_("Installed layer version is smaller than layer version in file"));
if(version!=layer->get_version())
layer->set_version(version);
}
// Handle the description
if(element->get_attribute("desc"))
layer->set_description(element->get_attribute("desc")->get_value());
if(element->get_attribute("active"))
layer->set_active(element->get_attribute("active")->get_value()=="false"?false:true);
if(element->get_attribute("exclude_from_rendering"))
layer->set_exclude_from_rendering(element->get_attribute("exclude_from_rendering")->get_value()=="false"?false:true);
// Load old groups
etl::handle<Layer_PasteCanvas> layer_pastecanvas = etl::handle<Layer_Group>::cast_dynamic(layer);
bool old_pastecanvas = layer_pastecanvas && version=="0.1";
ValueNode::Handle origin_node;
ValueNode_Composite::Handle transformation_node;
ValueNode_Add::Handle offset_node;
ValueNode_Scale::Handle scale_scalar_node;
ValueNode_Exp::Handle scale_node;
bool origin_const=true, focus_const=true, zoom_const=true;
if (old_pastecanvas) {
transformation_node = ValueNode_Composite::create(ValueBase(Transformation()), canvas);
layer->connect_dynamic_param("transformation", ValueNode::Handle(transformation_node));
offset_node = ValueNode_Add::create(ValueBase(Vector(0,0)));
transformation_node->set_link("offset", offset_node);
origin_node = offset_node->get_link("rhs");
layer->connect_dynamic_param("origin", ValueNode::Handle(origin_node));
scale_scalar_node = ValueNode_Scale::create(ValueBase(Vector(1,1)));
transformation_node->set_link("scale", scale_scalar_node);
scale_node = ValueNode_Exp::create(ValueBase(Real(1)));
scale_scalar_node->set_link("scalar", scale_node);
}
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(!child)
continue;
else
if(child->get_name()=="name")
warning(child,_("<name> entry for <layer> is not yet supported. Ignoring..."));
else
if(child->get_name()=="desc")
warning(child,_("<desc> entry for <layer> is not yet supported. Ignoring..."));
else
if(child->get_name()=="param")
{
xmlpp::Element::NodeList list = child->get_children();
if(!child->get_attribute("name"))
{
error(child,_("Missing \"name\" attribute for <param>."));
continue;
}
String param_name=child->get_attribute("name")->get_value();
// SVN r2013 and r2014 renamed all 'pos' and 'offset' parameters to 'origin'
// 'pos' and 'offset' will appear in old .sif files; handle them correctly
if (param_name == "pos" || param_name == "offset")
param_name = "origin";
if(child->get_attribute("use"))
{
// If the "use" attribute is used, then the
// element should be empty. Warn the user if
// we find otherwise.
if(!list.empty())
warning(child,_("Found \"use\" attribute for <param>, but it wasn't empty. Ignoring contents..."));
String str= child->get_attribute("use")->get_value();
if (str.empty())
error(child,_("Empty use=\"\" value in <param>"));
else if(layer->get_param(param_name).get_type()==type_canvas)
{
String warnings;
Canvas::Handle c(canvas->surefind_canvas(str, warnings));
warnings_text += warnings;
if(!c) error((*iter),strprintf(_("Failed to load subcanvas '%s'"), str.c_str()));
if(!layer->set_param(param_name,c))
error((*iter),_("Layer rejected canvas link"));
//Parse the static option and sets it to the canvas ValueBase
ValueBase v=layer->get_param(param_name);
v.set_static(parse_static(child));
layer->set_param(param_name, v);
}
else
try
{
handle<ValueNode> value_node=canvas->surefind_value_node(str);
if(PlaceholderValueNode::Handle::cast_dynamic(value_node))
throw Exception::IDNotFound("parse_layer()");
// Assign the value_node to the dynamic parameter list
if (param_name == "segment_list" && (layer->get_name() == "region" || layer->get_name() == "outline"))
{
synfig::warning("%s: Updated valuenode connection to use the \"bline\" parameter instead of \"segment_list\".",
layer->get_name().c_str());
param_name = "bline";
}
// NB: this part of code has copy below
bool processed = false;
if (old_pastecanvas)
{
processed = true;
if (param_name == "origin")
{
origin_const = false;
offset_node->set_link("lhs", value_node);
}
else
if (param_name == "focus")
{
focus_const = false;
origin_node = value_node;
layer->connect_dynamic_param("origin_node", ValueNode::Handle(origin_node));
offset_node->set_link("rhs", value_node);
}
else
if (param_name == "zoom")
{
zoom_const = false;
scale_node->set_link("exp", value_node);
}
else
processed = false;
}
if (!processed) layer->connect_dynamic_param(param_name,value_node);
}
catch(Exception::IDNotFound&)
{
error(child,strprintf(_("Unknown ID (%s) referenced in parameter \"%s\""),str.c_str(), param_name.c_str()));
}
continue;
}
xmlpp::Element::NodeList::iterator iter;
// Search for the first non-text XML element
for(iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter))
break;
//if(!(!dynamic_cast<xmlpp::Element*>(*iter) && (*iter)->get_name()=="text"||(*iter)->get_name()=="comment" )) break;
if(iter==list.end())
{
error(child,_("<param> is either missing its contents, or missing a \"use\" attribute."));
continue;
}
ValueBase data;
handle<ValueNode> value_node;
// If we recognize the element name as a
// ValueBase, then treat is at one
if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) != type_nil && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
{
data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
if(!data.is_valid())
{
error((*iter),_("Bad data for <param>"));
continue;
}
}
else // ... otherwise, we assume that it is a ValueNode
{
value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
if(!value_node)
{
error((*iter),_("Bad data for <param>"));
continue;
}
}
// NB: this part of code has copy above
bool processed = false;
if (old_pastecanvas)
{
processed = true;
bool is_const = !value_node;
ValueNode::Handle node = value_node ? value_node : ValueNode_Const::create(data,canvas);
if (param_name == "origin")
{
// ice0: check here
if (!is_const) origin_const = false;
offset_node->set_link("lhs", node);
}
else
if (param_name == "focus")
{
if (!is_const) focus_const = false;
origin_node = node;
layer->connect_dynamic_param("origin_node", ValueNode::Handle(origin_node));
offset_node->set_link("rhs", node);
}
else
if (param_name == "zoom")
{
if (!is_const) zoom_const = false;
scale_node->set_link("exp", node);
}
else
processed = false;
}
if (!processed)
{
if (value_node) {
// Assign the value_node to the dynamic parameter list
layer->connect_dynamic_param(param_name,value_node);
} else {
// Set the layer's parameter, and make sure that
// the layer linked it
if(!layer->set_param(param_name,data))
{
warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
element->get_attribute("type")->get_value().c_str(),
param_name.c_str()));
continue;
}
}
}
// Warn if there is trash after the param value
for(iter++; iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::Element*>(*iter))
warning((*iter),strprintf(_("Unexpected element <%s> after <param> data, ignoring..."),(*iter)->get_name().c_str()));
continue;
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
// Simplify old pastecanvas conversion
if (old_pastecanvas) {
bool focus_zero = focus_const && (*origin_node)(0).get(Vector()) == Vector(0,0);
bool zoom_zero = zoom_const && (*scale_node->get_link("exp"))(0).get(Real()) == 0;
if (origin_const && focus_const && zoom_const)
{
ValueBase origin = (*origin_node)(0);
transformation_node->set_link("offset", ValueNode_Const::create((*offset_node)(0), canvas));
transformation_node->set_link("scale", ValueNode_Const::create((*scale_scalar_node)(0), canvas));
layer->disconnect_dynamic_param("origin");
layer->set_param("origin", origin);
} else {
if (origin_const && focus_const)
{
ValueBase origin = (*origin_node)(0);
layer->disconnect_dynamic_param("origin");
layer->set_param("origin", origin);
transformation_node->set_link("offset", ValueNode_Const::create((*offset_node)(0), canvas));
} else
if (focus_zero)
{
layer->disconnect_dynamic_param("origin");
transformation_node->set_link("offset", offset_node->get_link("lhs"));
}
else
if (focus_const)
{
ValueBase origin = (*origin_node)(0);
layer->disconnect_dynamic_param("origin");
layer->set_param("origin", origin);
}
if (zoom_zero)
transformation_node->set_link("scale", ValueNode_Const::create(ValueBase(Vector(1,1)), canvas));
else
if (zoom_const)
transformation_node->set_link("scale", ValueNode_Const::create((*scale_scalar_node)(0), canvas));
}
}
// add amplifiers for blur
if (layer->get_name() == "blur" && (version == "0.0" || version == "0.1" || version == "0.2"))
{
if (layer->dynamic_param_list().count("type"))
{
warning(element, "Cannot apply amplifiers to layer blur with animated type");
}
if (layer->get_param("type").get(int()) == ::Blur::GAUSSIAN)
{
warning(element, "Cannot apply amplifiers to layer blur with type GAUSSIAN");
}
else
{
int type = layer->get_param("type").get(int());
Real amplifier = 1.0 / ::Blur::get_size_amplifier(type);
if (layer->dynamic_param_list().count("size") && layer->dynamic_param_list().find("size")->second)
{
ValueNode_Scale::Handle scale = ValueNode_Scale::create(layer->get_param("size"));
scale->set_link("link", ValueNode::Handle(layer->dynamic_param_list().find("size")->second));
scale->set_link("scalar", ValueNode_Const::create(amplifier));
layer->connect_dynamic_param("size", ValueNode::LooseHandle(scale));
}
else
{
layer->set_param("size", layer->get_param("size").get(Vector()) * amplifier);
}
}
}
// init blending for skeleton_deformation
if (layer->get_name() == "skeleton_deformation" && (version == "0.0" || version == "0.1"))
{
layer->disconnect_dynamic_param("amount");
layer->disconnect_dynamic_param("blend_method");
layer->set_param("amount", 1.0);
layer->set_param("blend_method", Color::BLEND_STRAIGHT);
}
layer->reset_version();
return layer;
}
Canvas::Handle
CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_,const FileSystem::Identifier &identifier,String filename)
{
if(element->get_name()!="canvas")
{
error_unexpected_element(element,element->get_name(),"canvas");
return Canvas::Handle();
}
Canvas::Handle canvas;
if(parent && (element->get_attribute("id") || inline_))
{
if(inline_)
{
canvas=Canvas::create_inline(parent);
}
else
{
try
{
String warnings;
canvas=parent->find_canvas(element->get_attribute("id")->get_value(), warnings);
warnings_text += warnings;
}
catch(...)
{
canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
}
}
canvas->rend_desc().clear_flags();
}
else
{
canvas=Canvas::create();
canvas->set_identifier(identifier);
if(filename=="/dev/stdin")
canvas->set_file_name("./stdin.sif");
else
canvas->set_file_name(filename);
canvas->rend_desc().clear_flags();
}
if(element->get_attribute("guid"))
{
GUID guid(element->get_attribute("guid")->get_value());
if(guid_cast<Canvas>(guid))
return guid_cast<Canvas>(guid);
else
canvas->set_guid(guid);
}
if(element->get_attribute("version"))
canvas->set_version(element->get_attribute("version")->get_value());
else if(parent)
canvas->set_version(parent->get_version());
if(element->get_attribute("width"))
{
int width = atoi(element->get_attribute("width")->get_value().c_str());
if (width < 1)
fatal_error(element, _("Canvas with width or height less than one is not allowed"));
canvas->rend_desc().set_w(width);
}
if(element->get_attribute("height"))
{
int height = atoi(element->get_attribute("height")->get_value().c_str());
if (height < 1)
fatal_error(element, _("Canvas with width or height less than one is not allowed"));
canvas->rend_desc().set_h(height);
}
if(element->get_attribute("xres"))
canvas->rend_desc().set_x_res(atof(element->get_attribute("xres")->get_value().c_str()));
if(element->get_attribute("yres"))
canvas->rend_desc().set_y_res(atof(element->get_attribute("yres")->get_value().c_str()));
Gamma gamma = canvas->rend_desc().get_gamma();
String version = canvas->get_version();
if ( version == "0.1"
|| version == "0.2"
|| version == "0.3"
|| version == "0.4"
|| version == "0.5"
|| version == "0.6"
|| version == "0.7"
|| version == "0.8"
|| version == "0.9"
|| version == "1.0" )
{
gamma.set(2.2);
}
if(element->get_attribute("gamma-r"))
gamma.set_r(atof(element->get_attribute("gamma-r")->get_value().c_str()));
if(element->get_attribute("gamma-g"))
gamma.set_g(atof(element->get_attribute("gamma-g")->get_value().c_str()));
if(element->get_attribute("gamma-b"))
gamma.set_b(atof(element->get_attribute("gamma-b")->get_value().c_str()));
canvas->rend_desc().set_gamma(gamma);
if(element->get_attribute("fps"))
canvas->rend_desc().set_frame_rate(atof(element->get_attribute("fps")->get_value().c_str()));
if(element->get_attribute("start-time"))
canvas->rend_desc().set_time_start(Time(element->get_attribute("start-time")->get_value(),canvas->rend_desc().get_frame_rate()));
if(element->get_attribute("begin-time"))
canvas->rend_desc().set_time_start(Time(element->get_attribute("begin-time")->get_value(),canvas->rend_desc().get_frame_rate()));
if(element->get_attribute("end-time"))
canvas->rend_desc().set_time_end(Time(element->get_attribute("end-time")->get_value(),canvas->rend_desc().get_frame_rate()));
if(element->get_attribute("antialias"))
canvas->rend_desc().set_antialias(atoi(element->get_attribute("antialias")->get_value().c_str()));
if(element->get_attribute("view-box"))
{
string values=element->get_attribute("view-box")->get_value();
Vector
tl,
br;
tl[0]=atof(string(values.data(),values.find(' ')).c_str());
values=string(values.begin()+values.find(' ')+1,values.end());
tl[1]=atof(string(values.data(),values.find(' ')).c_str());
values=string(values.begin()+values.find(' ')+1,values.end());
br[0]=atof(string(values.data(),values.find(' ')).c_str());
values=string(values.begin()+values.find(' ')+1,values.end());
br[1]=atof(values.c_str());
canvas->rend_desc().set_tl(tl);
canvas->rend_desc().set_br(br);
}
if(element->get_attribute("bgcolor"))
{
string values=element->get_attribute("bgcolor")->get_value();
Color bg;
bg.set_r(atof(string(values.data(),values.find(' ')).c_str()));
values=string(values.begin()+values.find(' ')+1,values.end());
bg.set_g(atof(string(values.data(),values.find(' ')).c_str()));
values=string(values.begin()+values.find(' ')+1,values.end());
bg.set_b(atof(string(values.data(),values.find(' ')).c_str()));
values=string(values.begin()+values.find(' ')+1,values.end());
bg.set_a(atof(values.c_str()));
canvas->rend_desc().set_bg_color(bg);
}
if(element->get_attribute("focus"))
{
string values=element->get_attribute("focus")->get_value();
Vector focus;
focus[0]=atof(string(values.data(),values.find(' ')).c_str());
values=string(values.begin()+values.find(' ')+1,values.end());
focus[1]=atof(values.c_str());
canvas->rend_desc().set_focus(focus);
}
canvas->rend_desc().set_flags(RendDesc::PX_ASPECT|RendDesc::IM_SPAN);
list<ValueNode::Handle> bone_list;
xmlpp::Element::NodeList list = element->get_children();
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
{
xmlpp::Element *child(dynamic_cast<xmlpp::Element*>(*iter));
if(child)
{
if(child->get_name()=="defs")
{
if(canvas->is_inline())
error(child,_("Group canvases cannot have a <defs> section"));
parse_canvas_defs(child, canvas);
}
else
if(child->get_name()=="bones")
{
if(canvas->is_inline())
error(child,_("Inline canvas cannot have a <bones> section"));
bone_list = parse_canvas_bones(child, canvas);
}
else
if(child->get_name()=="keyframe")
{
if(canvas->is_inline())
{
warning(child,_("Group canvases cannot have keyframes"));
continue;
}
canvas->keyframe_list().add(parse_keyframe(child,canvas));
canvas->keyframe_list().sync();
}
else
if(child->get_name()=="meta")
{
if(canvas->is_inline())
{
warning(child,_("Group canvases cannot have metadata"));
continue;
}
if(!child->get_attribute("name"))
{
warning(child,_("<meta> must have a name"));
continue;
}
if(!child->get_attribute("content"))
{
warning(child,_("<meta> must have content"));
continue;
}
// In Synfig prior to version 1.0 we have messed decimal separator:
// some files use ".", but other ones use ","/
// Let's try to put a workaround for that.
std::vector<String> replacelist;
replacelist.push_back("background_first_color");
replacelist.push_back("background_second_color");
replacelist.push_back("background_size");
replacelist.push_back("grid_color");
replacelist.push_back("grid_size");
replacelist.push_back("jack_offset");
String content;
content=child->get_attribute("content")->get_value();
if(std::find(replacelist.begin(), replacelist.end(), child->get_attribute("name")->get_value()) != replacelist.end())
{
size_t index = 0;
while (true) {
/* Locate the substring to replace. */
index = content.find(",", index);
if (index == string::npos) break;
/* Make the replacement. */
content.replace(index, 1, ".");
/* Advance index forward so the next iteration doesn't pick it up as well. */
index += 1;
}
}
canvas->set_meta_data(child->get_attribute("name")->get_value(),content);
}
else if(child->get_name()=="name")
{
xmlpp::Element::NodeList list = child->get_children();
// If we don't have any name, warn
if(list.empty())
warning(child,_("blank \"name\" entity"));
string tmp;
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
canvas->set_name(tmp);
}
else
if(child->get_name()=="desc")
{
xmlpp::Element::NodeList list = child->get_children();
// If we don't have any description, warn
if(list.empty())
warning(child,_("blank \"desc\" entity"));
string tmp;
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
canvas->set_description(tmp);
}
else
if(child->get_name()=="author")
{
xmlpp::Element::NodeList list = child->get_children();
// If we don't have any description, warn
if(list.empty())
warning(child,_("blank \"author\" entity"));
string tmp;
for(xmlpp::Element::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter)
if(dynamic_cast<xmlpp::TextNode*>(*iter))tmp+=dynamic_cast<xmlpp::TextNode*>(*iter)->get_content();
canvas->set_author(tmp);
}
else
if(child->get_name()=="layer")
{
//if(canvas->is_inline())
// canvas->push_front(parse_layer(child,canvas->parent()));
//else
canvas->push_front(parse_layer(child,canvas));
}
else
{
printf("%s:%d\n", __FILE__, __LINE__);
error_unexpected_element(child,child->get_name());
}
}
// else
// if((child->get_name()=="text"||child->get_name()=="comment") && child->has_child_text())
// continue;
}
if(canvas->value_node_list().placeholder_count())
{
String nodes;
for (ValueNodeList::const_iterator iter = canvas->value_node_list().begin(); iter != canvas->value_node_list().end(); iter++)
if(PlaceholderValueNode::Handle::cast_dynamic(*iter))
{
if (nodes != "") nodes += ", ";
nodes += "'" + (*iter)->get_id() + "'";
}
error(element,strprintf(_("Canvas '%s' has undefined %s: %s"),
canvas->get_id().c_str(),
canvas->value_node_list().placeholder_count() == 1 ? _("ValueNode") : _("ValueNodes"),
nodes.c_str()));
}
canvas->set_version(CURRENT_CANVAS_VERSION);
return canvas;
}
void
CanvasParser::register_canvas_in_map(Canvas::Handle canvas, String as)
{
get_open_canvas_map()[etl::absolute_path(as)]=canvas;
canvas->signal_deleted().connect(sigc::bind(sigc::ptr_fun(_remove_from_open_canvas_map),canvas.get()));
canvas->signal_file_name_changed().connect(sigc::bind(sigc::ptr_fun(_canvas_file_name_changed),canvas.get()));
}
#ifdef _DEBUG
void
CanvasParser::show_canvas_map(String file, int line, String text)
{
return;
printf(" .-----\n | %s:%d %s\n", file.c_str(), line, text.c_str());
std::map<synfig::String, etl::loose_handle<Canvas> > canvas_map(synfig::get_open_canvas_map());
std::map<synfig::String, etl::loose_handle<Canvas> >::iterator iter;
for (iter = canvas_map.begin(); iter != canvas_map.end(); iter++)
{
synfig::String first(iter->first);
etl::loose_handle<Canvas> second(iter->second);
printf(" | %40s : %lx (%d)\n", first.c_str(), uintptr_t(&*second), second->count());
}
printf(" `-----\n\n");
}
#endif // _DEBUG
Canvas::Handle
CanvasParser::parse_from_file_as(const FileSystem::Identifier &identifier,const String &as,String &errors)
{
ChangeLocale change_locale(LC_NUMERIC, "C");
try
{
if(get_open_canvas_map().count(etl::absolute_path(as)))
return get_open_canvas_map()[etl::absolute_path(as)];
filename=as;
total_warnings_=0;
synfig::info(String("Loading file: ") + filename);
FileSystem::ReadStream::Handle stream = identifier.get_read_stream();
if (stream)
{
if (filename_extension(identifier.filename) == ".sifz")
stream = FileSystem::ReadStream::Handle(new ZReadStream(stream));
xmlpp::DomParser parser;
parser.parse_stream(*stream);
stream.reset();
if(parser)
{
Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,identifier,as));
if (!canvas) return canvas;
register_canvas_in_map(canvas, as);
const ValueNodeList& value_node_list(canvas->value_node_list());
again:
ValueNodeList::const_iterator iter;
for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
{
ValueNode::Handle value_node(*iter);
if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
{
canvas->remove_value_node(value_node, true);
goto again;
}
}
return canvas;
}
} else {
throw runtime_error(String(" * ") + _("Can't find linked file") + " \"" + identifier.filename + "\"");
}
}
catch(Exception::BadLinkName&) { synfig::error("BadLinkName Thrown"); }
catch(Exception::BadType&) { synfig::error("BadType Thrown"); }
catch(Exception::FileNotFound&) { synfig::error("FileNotFound Thrown"); }
catch(Exception::IDNotFound&) { synfig::error("IDNotFound Thrown"); }
catch(Exception::IDAlreadyExists&) { synfig::error("IDAlreadyExists Thrown"); }
catch(xmlpp::internal_error &x)
{
if (!strcmp(x.what(), "Couldn't create parsing context"))
throw runtime_error(String(" * ") + _("Can't open file") + " \"" + identifier.filename + "\"");
throw;
}
catch(const std::exception& ex)
{
synfig::error("Standard Exception: "+String(ex.what()));
errors = ex.what();
return Canvas::Handle();
}
catch(const String& str)
{
cerr<<str.c_str()<<endl;
// synfig::error(str);
errors = str;
return Canvas::Handle();
}
return Canvas::Handle();
}
Canvas::Handle
CanvasParser::parse_as(xmlpp::Element* node,String &errors)
{
ChangeLocale change_locale(LC_NUMERIC, "C");
try
{
total_warnings_=0;
if(node)
{
Canvas::Handle canvas(parse_canvas(node,0,false,FileSystemNative::instance()->get_identifier(std::string()),""));
if (!canvas) return canvas;
const ValueNodeList& value_node_list(canvas->value_node_list());
again:
ValueNodeList::const_iterator iter;
for(iter=value_node_list.begin();iter!=value_node_list.end();++iter)
{
ValueNode::Handle value_node(*iter);
if(value_node->is_exported() && value_node->get_id().find("Unnamed")==0)
{
canvas->remove_value_node(value_node, false); // \todo verify false here
goto again;
}
}
return canvas;
}
}
catch(Exception::BadLinkName&) { synfig::error("BadLinkName Thrown"); }
catch(Exception::BadType&) { synfig::error("BadType Thrown"); }
catch(Exception::FileNotFound&) { synfig::error("FileNotFound Thrown"); }
catch(Exception::IDNotFound&) { synfig::error("IDNotFound Thrown"); }
catch(Exception::IDAlreadyExists&) { synfig::error("IDAlreadyExists Thrown"); }
catch(xmlpp::internal_error &x)
{
if (!strcmp(x.what(), "Couldn't create parsing context"))
throw runtime_error(String(" * ") + _("Can't open file") + " \"" + "\"");
throw;
}
catch(const std::exception& ex)
{
synfig::error("Standard Exception: "+String(ex.what()));
errors = ex.what();
return Canvas::Handle();
}
catch(const String& str)
{
cerr<<str.c_str()<<endl;
errors = str;
return Canvas::Handle();
}
return Canvas::Handle();
}
//extern
Canvas::Handle
synfig::open_canvas(xmlpp::Element* node,String &errors,String &warnings){
Canvas::Handle canvas;
CanvasParser parser;
parser.set_allow_errors(true);
try
{
canvas=parser.parse_as(node,errors);
}
catch (...)
{
synfig::error("open canvas of a node");
throw;
}
warnings = parser.get_warnings_text();
if(parser.error_count())
{
errors = parser.get_errors_text();
return Canvas::Handle();
}
return canvas;
}