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loadcanvas.cpp
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loadcanvas.cpp
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/* === S Y N F I G ========================================================= */
/*! \file loadcanvas.cpp
** \brief writeme
**
** \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 file is part of Synfig.
**
** Synfig 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.
**
** Synfig 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.
**
** You should have received a copy of the GNU General Public License
** along with Synfig. If not, see <https://www.gnu.org/licenses/>.
** \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 "loadcanvas.h"
#include <ETL/stringf>
#include "general.h"
#include "localization.h"
#include "blur.h"
#include "boneweightpair.h"
#include "dashitem.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"
#include "valuenodes/valuenode_average.h"
#endif
/* === U S I N G =========================================================== */
using namespace synfig;
using namespace etl;
/* === M A C R O S ========================================================= */
#define VALUENODE_COMPATIBILITY_URL "https://wiki.synfig.org/Convert#Compatibility"
inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
inline bool is_true(const std::string& s) { return s=="1" || s=="true" || s=="TRUE" || s=="True"; }
inline bool is_false(const std::string& s) { return s=="0" || s=="false" || s=="FALSE" || s=="False"; }
std::set<FileSystem::Identifier> CanvasParser::loading_;
/* === P R O C E D U R E S ================================================= */
OpenCanvasMap& synfig::get_open_canvas_map()
{
static OpenCanvasMap open_canvas_map_;
return open_canvas_map_;
}
static void _remove_from_open_canvas_map(Canvas *x) {
auto& map = get_open_canvas_map();
const auto& found = map.find(x);
if (found == map.end()) {
synfig::error(_("Cannot find canvas for delete '%s'"), x->get_file_name().c_str());
return;
}
map.erase(found);
}
static void _canvas_file_name_changed(Canvas *x)
{
auto& canvas_map = get_open_canvas_map();
if (canvas_map.find(x) == canvas_map.end()) {
return;
}
canvas_map[x] = etl::absolute_path(x->get_file_name());
}
Canvas::Handle
synfig::open_canvas_as(const FileSystem::Identifier &identifier,const String &as,String &errors,String &warnings)
{
String filename = FileSystem::fix_slashes(as);
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(filename);
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,filename,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)
{
std::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)
{
std::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 std::runtime_error(str);
std::cerr<<str.c_str()<<std::endl;
// synfig::error(str);
}
void
CanvasParser::fatal_error(xmlpp::Node *element, const String &text)
{
std::string str=strprintf("%s:<%s>:%d:",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
throw std::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"))
{
std::string val=element->get_attribute("active")->get_value();
if(is_false(val))
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;
}
std::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;
}
std::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;
}
std::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 GUID::zero();
}
std::string val=element->get_attribute("value")->get_value();
return GUID(val);
}
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());
}
}
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;
}
std::string val=element->get_attribute("value")->get_value();
if(is_true(val))
return true;
if(is_false(val))
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)
{
std::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")