+++ /dev/null
-/* === S Y N F I G ========================================================= */
-/*! \file loadcanvas.cpp
-** \brief writeme
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-**
-** 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 <cstdlib>
-#include <cstdio>
-#include <cstring>
-#include <ETL/stringf>
-#include <libxml++/libxml++.h>
-#include <vector>
-#include <stdexcept>
-#include <iostream>
-
-#include "loadcanvas.h"
-#include "valuenode.h"
-#include "valuenode_subtract.h"
-#include "valuenode_animated.h"
-#include "valuenode_composite.h"
-#include "valuenode_const.h"
-#include "valuenode_linear.h"
-#include "valuenode_dynamiclist.h"
-#include "valuenode_reference.h"
-#include "valuenode_scale.h"
-#include "valuenode_timedswap.h"
-#include "valuenode_twotone.h"
-#include "valuenode_stripes.h"
-#include "valuenode_segcalctangent.h"
-#include "valuenode_segcalcvertex.h"
-#include "valuenode_bline.h"
-
-#include "layer.h"
-#include "string.h"
-
-#include "exception.h"
-
-#include "gradient.h"
-
-#include <map>
-#include <sigc++/bind.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 ========================================================= */
-
-inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
-
-/* === 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(const String &filename)
-{
- CanvasParser parser;
-
- parser.set_allow_errors(true);
-
- Canvas::Handle canvas=parser.parse_from_file(filename);
-
- if(parser.error_count())
- return Canvas::Handle();
-
- return canvas;
-}
-
-Canvas::Handle
-synfig::open_canvas_as(const String &filename,const String &as)
-{
- CanvasParser parser;
-
- parser.set_allow_errors(true);
-
- Canvas::Handle canvas=parser.parse_from_file_as(filename,as);
-
- if(parser.error_count())
- return Canvas::Handle();
-
- return canvas;
-}
-
-Canvas::Handle
-synfig::string_to_canvas(const String &data)
-{
- CanvasParser parser;
-
- parser.set_allow_errors(true);
-
- Canvas::Handle canvas=parser.parse_from_string(data);
-
- if(parser.error_count())
- 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: warning: ",filename.c_str(),element->get_name().c_str(),element->get_line())+text;
- //synfig::warning(str);
- cerr<<str<<endl;
- total_warnings_++;
- 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_++;
- if(!allow_errors_)
- throw runtime_error(str);
- cerr<<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())
- return ret;
-
- if(element->get_child_text()->get_content().empty())
- return ret;
-
- ret.set_description(element->get_child_text()->get_content());
-
- return ret;
-}
-
-
-Real
-CanvasParser::parse_real(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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,Canvas::Handle canvas)
-{
- 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());
-}
-
-Vector
-CanvasParser::parse_vector(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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
- error_unexpected_element(child,child->get_name());
- }
- return vect;
-}
-
-Color
-CanvasParser::parse_color(xmlpp::Element *element,Canvas::Handle canvas)
-{
- assert(element->get_name()=="color");
-
- if(element->get_children().empty())
- {
- error(element, "Undefined value in <color>");
- return Color();
- }
-
- Color color;
-
- 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
- error_unexpected_element(child,child->get_name());
- }
-
- return color;
-}
-
-synfig::String
-CanvasParser::parse_string(xmlpp::Element *element,Canvas::Handle canvas)
-{
- assert(element->get_name()=="string");
-
- if(element->get_children().empty())
- {
- warning(element, "Undefined value in <string>");
- return synfig::String();
- }
-
- if(element->get_child_text()->get_content().empty())
- {
- warning(element, "Content element of <string> appears to be empty");
- return synfig::String();
- }
-
- return element->get_child_text()->get_content();
-}
-
-bool
-CanvasParser::parse_bool(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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,Canvas::Handle canvas)
-{
- 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,canvas);
-
- 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,Canvas::Handle canvas)
-{
- 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),canvas);
- }
- 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),canvas);
- }
- 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),canvas);
- }
- 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),canvas);
- }
- else
- error_unexpected_element(child,child->get_name());
- }
- return seg;
-}
-
-BLinePoint
-CanvasParser::parse_bline_point(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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_flag(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),canvas));
- }
- 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),canvas));
- }
- 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),canvas));
- ret.set_split_tangent_flag(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),canvas));
- }
- 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),canvas));
- }
- else
- error_unexpected_element(child,child->get_name());
- }
- return ret;
-}
-
-Angle
-CanvasParser::parse_angle(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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_value(xmlpp::Element *element,Canvas::Handle canvas)
-{
- if(element->get_name()=="real")
- return parse_real(element,canvas);
- else
- if(element->get_name()=="time")
- return parse_time(element,canvas);
- else
- if(element->get_name()=="integer")
- return parse_integer(element,canvas);
- else
- if(element->get_name()=="string")
- return parse_string(element,canvas);
- else
- if(element->get_name()=="vector")
- {
- return parse_vector(element,canvas);
- }
- else
- if(element->get_name()=="color")
- return parse_color(element,canvas);
- else
- if(element->get_name()=="segment")
- return parse_segment(element,canvas);
- else
- if(element->get_name()=="list")
- return parse_list(element,canvas);
- else
- if(element->get_name()=="gradient")
- return parse_gradient(element,canvas);
- else
- if(element->get_name()=="bool")
- return parse_bool(element,canvas);
- else
- //if(element->get_name()=="canvas")
- // return parse_canvas(element,canvas,true); // inline canvas
- //else
- if(element->get_name()=="angle" || element->get_name()=="degrees" || element->get_name()=="radians" || element->get_name()=="rotations")
- return parse_angle(element,canvas);
- else
- if(element->get_name()=="bline_point")
- return parse_bline_point(element,canvas);
- else
- if(element->get_name()=="canvas")
- return ValueBase(parse_canvas(element,canvas,true));
- else
- {
- DEBUGPOINT();
- 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();
- }
-
- ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
-
- if(!type)
- {
- 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\""),ValueBase::type_name(type).c_str()));
- return ValueNode_Animated::Handle();
- }
-
- 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()=="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;
-
- if(child->get_attribute("use"))
- {
- waypoint_value_node=canvas->surefind_value_node(child->get_attribute("use")->get_value());
- }
- else
- {
- if(child->get_children().empty())
- {
- error(child, strprintf(_("<%s> is missing its data"),"waypoint"));
- continue;
- }
-
- 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(_("<%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.
- */
- waypoint_value_node=waypoint_value_node->clone();
-
- // 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_time_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"))
- {
- string val=child->get_attribute("before")->get_value();
- if(val=="halt")
- waypoint->set_before(INTERPOLATION_HALT);
- else if(val=="constant")
- waypoint->set_before(INTERPOLATION_CONSTANT);
- else if(val=="linear")
- waypoint->set_before(INTERPOLATION_LINEAR);
- else if(val=="manual")
- waypoint->set_before(INTERPOLATION_MANUAL);
- else if(val=="auto")
- waypoint->set_before(INTERPOLATION_TCB);
- else
- error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
- }
-
- if(child->get_attribute("after"))
- {
- string val=child->get_attribute("after")->get_value();
- if(val=="halt")
- waypoint->set_after(INTERPOLATION_HALT);
- else if(val=="constant")
- waypoint->set_after(INTERPOLATION_CONSTANT);
- else if(val=="linear")
- waypoint->set_after(INTERPOLATION_LINEAR);
- else if(val=="manual")
- waypoint->set_after(INTERPOLATION_MANUAL);
- else if(val=="auto")
- waypoint->set_after(INTERPOLATION_TCB);
- else
- error(child,strprintf(_("\"%s\" not a valid value for attribute \"%s\" in <%s>"),val.c_str(),"before","waypoint"));
- }
- }
- catch(Exception::BadTime x)
- {
- warning(child,x.what());
- }
- continue;
-
- }
- else
- error_unexpected_element(child,child->get_name());
- }
- value_node->changed();
- return value_node;
-}
-
-// This function is a phase-out hack for the timed swap value node
-etl::handle<ValueNode_Animated>
-CanvasParser::parse_timedswap(xmlpp::Element *node,Canvas::Handle canvas)
-{
- ValueNode_TimedSwap::Handle timed_swap(parse_linkable_value_node(node,canvas));
-
- assert(timed_swap);
-
- ValueNode_Animated::Handle animated(ValueNode_Animated::create(timed_swap->get_type()));
-
- animated->set_root_canvas(canvas->get_root());
-
- assert(animated);
-
- Time swap_time, swap_length;
- (*timed_swap->get_swap_time())(0).put(&swap_time);
- (*timed_swap->get_swap_length())(0).put(&swap_length);
-
- animated->new_waypoint(swap_time-swap_length,timed_swap->get_before());
- animated->new_waypoint(swap_time,timed_swap->get_after());
-
- return animated;
-}
-
-
-handle<ValueNode_Subtract>
-CanvasParser::parse_subtract(xmlpp::Element *element,Canvas::Handle canvas)
-{
- assert(element->get_name()=="subtract");
-
- handle<ValueNode_Subtract> value_node;
- handle<ValueNode> lhs,rhs,scalar;
-
- if(element->get_attribute("type"))
- {
- ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
-
- if(!type)
- {
- error(element,"Bad type in <subtract>");
- return ValueNode_Subtract::Handle();
- }
- value_node=ValueNode_Subtract::create(type);
- }
- else
- value_node=ValueNode_Subtract::create();
-
- if(!value_node)
- {
- error(element,strprintf(_("Unable to create <subtract>")));
- return handle<ValueNode_Subtract>();
- }
-
- //if(element->get_attribute("scalar"))
- //{
- // value_node->set_scalar(atof(element->get_attribute("scalar")->get_value().c_str()));
- //}
-
- try
- {
- if(element->get_attribute("scalar"))
- {
- // This is for compatibility with older versions of the file format
- String value(element->get_attribute("scalar")->get_value());
- if((value[0]<='9' && value[0]>='0') || value[0]=='-')
- {
- warning(element, _("Use of a real value where the ID should be is deprecated"));
- value_node->set_scalar(atof(value.c_str()));
- }
- else
- value_node->set_scalar(canvas->surefind_value_node(value));
- scalar=value_node->get_scalar();
- }
-
- if(element->get_attribute("lhs"))
- {
- lhs=canvas->surefind_value_node(element->get_attribute("lhs")->get_value());
- value_node->set_lhs(lhs);
- }
-
- if(element->get_attribute("rhs"))
- {
- rhs=canvas->surefind_value_node(element->get_attribute("rhs")->get_value());
- value_node->set_rhs(rhs);
- }
- }
- catch (Exception::IDNotFound)
- {
- error(element,"attribute in <subtract> references unknown ID");
- }
- catch (Exception::FileNotFound)
- {
- error(element,"Unable to open external file referenced in ID");
- }
-
- 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()=="lhs")
- {
- if(lhs)
- {
- error(child,"LHS component of <subtract> already defined!");
- continue;
- }
-
- 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,_("<lhs> is missing its contents"));
- continue;
- }
-
- lhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(lhs)
- value_node->set_lhs(lhs);
- else
- {
- error((*iter),"Parse of LHS ValueNode failed");
- }
-
- // \todo do a search for more elements and warn if they are found
- }
- else
- if(child->get_name()=="rhs")
- {
- if(rhs)
- {
- error(child,"RHS component of <subtract> already defined!");
- continue;
- }
-
- 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,_("<rhs> is missing its contents"));
- continue;
- }
-
- rhs=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(rhs)
- value_node->set_rhs(rhs);
- else
- {
- error((*iter),"Parse of RHS ValueNode failed");
- }
-
- // \todo do a search for more elements and warn if they are found
- }
- else
- if(child->get_name()=="scalar")
- {
- if(scalar)
- {
- error(child,"scalar component of <subtract> already defined!");
- continue;
- }
-
- 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,_("<scalar> is missing its contents"));
- continue;
- }
-
- scalar=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(scalar)
- value_node->set_scalar(scalar);
- else
- {
- error((*iter),"Parse of scalar ValueNode failed");
- }
-
- // \todo do a search for more elements and warn if they are found
- }
- else
- error_unexpected_element(child,child->get_name());
- }
-
- if(!value_node->get_rhs() || !value_node->get_lhs() || !value_node->get_scalar())
- error(element,"<subtract> is missing LHS, RHS, or SCALAR");
-
- if(value_node->get_rhs() == value_node->get_lhs())
- warning(element,"LHS is equal to RHS in <subtract>, so this value_node will always be zero!");
-
- return value_node;
-}
-
-etl::handle<LinkableValueNode>
-CanvasParser::parse_linkable_value_node(xmlpp::Element *element,Canvas::Handle canvas)
-{
- handle<LinkableValueNode> value_node;
- ValueBase::Type type;
-
- // Determine the type
- if(element->get_attribute("type"))
- {
- type=ValueBase::ident_type(element->get_attribute("type")->get_value());
-
- if(!type)
- {
- error(element,"Bad type in ValueNode");
- return 0;
- }
- }
- else
- {
- error(element,"Missing type in ValueNode");
- return 0;
- }
-
- value_node=LinkableValueNode::create(element->get_name(),type);
-
- if(!value_node)
- {
- error(element,"Unknown ValueNode type "+element->get_name());
- return 0;
- }
-
- if(value_node->get_type()!=type)
- {
- error(element,"ValueNode did not accept type");
- return 0;
- }
-
- value_node->set_root_canvas(canvas->get_root());
-
- int i;
- for(i=0;i<value_node->link_count();i++)
- {
- if(element->get_attribute(value_node->link_name(i)))
- try {
- String id(element->get_attribute(value_node->link_name(i))->get_value());
-
- if(!value_node->set_link(i,
- canvas->surefind_value_node(
- id
- )
- )
- ) error(element,strprintf(_("Unable to set link \"%s\" to ValueNode \"%s\" (link #%d in \"%s\")"),value_node->link_name(i).c_str(),id.c_str(),i,value_node->get_name().c_str()));
- }
- catch(Exception::IDNotFound)
- {
- error(element,"Unable to resolve "+element->get_attribute(value_node->link_name(i))->get_value());
- }
- catch(Exception::FileNotFound)
- {
- error(element,"Unable to open file referenced in "+element->get_attribute(value_node->link_name(i))->get_value());
- }
- catch(...)
- {
- error(element,strprintf(_("Unknown Exception thrown when referencing ValueNode \"%s\""),
- element->get_attribute(value_node->link_name(i))->get_value().c_str()));
- throw;
- }
- }
-
-
-
- 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;
- int index=value_node->get_link_index_from_name(child->get_name());
-
- 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,_("element is missing its contents"));
- continue;
- }
-
- ValueNode::Handle link=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(!link)
- {
- error((*iter),"Parse of ValueNode failed");
- }
- else
- if(!value_node->set_link(index,link))
- {
- //error(dynamic_cast<xmlpp::Element*>(*iter),strprintf("Unable to connect value node ('%s' of type '%s') to link %d",link->get_name().c_str(),ValueBase::type_name(link->get_type()).c_str(),index));
- error(element,strprintf("Unable to connect value node ('%s' of type '%s') to link %d",link->get_name().c_str(),ValueBase::type_name(link->get_type()).c_str(),index));
- }
-
- // \todo do a search for more elements and warn if they are found
-
- }
- catch(Exception::BadLinkName)
- {
- error_unexpected_element(child,child->get_name());
- }
- catch(...)
- {
- error(child,strprintf(_("Unknown Exception thrown when working on element \"%s\""),child->get_name().c_str()));
- throw;
- }
- }
-
- return value_node;
-}
-
-handle<ValueNode_Composite>
-CanvasParser::parse_composite(xmlpp::Element *element,Canvas::Handle canvas)
-{
- assert(element->get_name()=="composite");
-
- if(!element->get_attribute("type"))
- {
- error(element,"Missing attribute \"type\" in <composite>");
- return handle<ValueNode_Composite>();
- }
-
- ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
-
- if(!type)
- {
- error(element,"Bad type in <composite>");
- return handle<ValueNode_Composite>();
- }
-
- handle<ValueNode_Composite> value_node=ValueNode_Composite::create(type);
- handle<ValueNode> c[6];
-
- if(!value_node)
- {
- error(element,strprintf(_("Unable to create <composite>")));
- return handle<ValueNode_Composite>();
- }
-
- int i;
-
- for(i=0;i<value_node->link_count();i++)
- {
- string name=strprintf("c%d",i+1);
- if(c[i])
- {
- error(element,name+" was already defined in <composite>");
- continue;
- }
- if(element->get_attribute(name))
- {
- c[i]=canvas->surefind_value_node(element->get_attribute(name)->get_value());
- if(c[i])
- {
- if(!value_node->set_link(i,c[i]))
- {
- error(element,'"'+name+"\" attribute in <composite> has bad type");
- }
- }
- else
- error(element,'"'+name+"\" attribute in <composite> references unknown ID");
- }
- }
-
- 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
- for(i=0;i<value_node->link_count();i++)
- {
- string name=strprintf("c%d",i+1);
- if(child->get_name()==name)
- {
- if(c[i])
- {
- error(child,name+" was already defined in <composite>");
- 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(_("<%s> is missing its contents"),name.c_str()));
- break;
- }
-
- c[i]=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(!c[i])
- {
- error((*iter),"Parse of "+name+" ValueNode failed");
- break;
- }
-
- if(!value_node->set_link(i,c[i]))
- {
- error(child,strprintf(_("<%s> has a bad value"),name.c_str()));
- break;
- }
-
- // \todo do a search for more elements and warn if they are found
- break;
- }
- }
- // somewhat of a hack, but it works
- if(i==value_node->link_count()) error_unexpected_element(child,child->get_name());
- }
-
- switch(value_node->link_count())
- {
- case 1:
- if(!value_node->get_link(0))
- {
- error(element,"<composite> is missing parameters");
- return handle<ValueNode_Composite>();
- }
- break;
- case 2:
- if(!value_node->get_link(0) ||!value_node->get_link(1))
- {
- error(element,"<composite> is missing parameters");
- return handle<ValueNode_Composite>();
- }
- break;
- case 3:
- if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2))
- {
- error(element,"<composite> is missing parameters");
- return handle<ValueNode_Composite>();
- }
- break;
- case 4:
- if(!value_node->get_link(0) ||!value_node->get_link(1) ||!value_node->get_link(2) ||!value_node->get_link(3))
- {
- error(element,"<composite> is missing parameters");
- return handle<ValueNode_Composite>();
- }
- break;
- }
- 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");
-
- 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>();
- }
-
- ValueBase::Type type=ValueBase::ident_type(element->get_attribute("type")->get_value());
-
- if(!type)
- {
- error(element,"Bad type in <dynamic_list>");
- return handle<ValueNode_DynamicList>();
- }
-
- handle<ValueNode_DynamicList> value_node;
- handle<ValueNode_BLine> bline_value_node;
-
- if(element->get_name()=="bline")
- {
- value_node=bline_value_node=ValueNode_BLine::create();
- 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
- value_node=ValueNode_DynamicList::create(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"))
- {
- string id=child->get_attribute("use")->get_value();
- try
- {
- list_entry.value_node=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.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
- error_unexpected_element(child,child->get_name());
- }
- return value_node;
-}
-
-handle<ValueNode>
-CanvasParser::parse_value_node(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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();
- value_node=guid_cast<ValueNode>(guid);
- if(value_node)
- return value_node;
- }
-
- // If ValueBase::ident_type() recognises the name, then we know it's a ValueBase
- if(element->get_name()!="canvas" && ValueBase::ident_type(element->get_name()))
- {
- ValueBase data=parse_value(element,canvas);
-
- if(!data.is_valid())
- {
- error(element,strprintf(_("Bad data in <%s>"),element->get_name().c_str()));
- 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")
- value_node=parse_animated(element,canvas);
- else
- if(element->get_name()=="subtract")
- value_node=parse_subtract(element,canvas);
- else
- if(element->get_name()=="composite")
- value_node=parse_composite(element,canvas);
- else
- if(element->get_name()=="dynamic_list")
- 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.
- value_node=parse_dynamic_list(element,canvas);
- else
- if(element->get_name()=="timed_swap")
- value_node=parse_timedswap(element,canvas);
- else
- if(LinkableValueNode::book().count(element->get_name()))
- value_node=parse_linkable_value_node(element,canvas);
- else
- if(element->get_name()=="canvas")
- value_node=ValueNode_Const::create(parse_canvas(element,canvas,true));
- else
- {
- error_unexpected_element(element,element->get_name());
- error(element, "Expected a ValueNode");
- }
-
-
- 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()));
- return value_node;
- }
- catch(Exception::IDAlreadyExists)
- {
- error(element,strprintf(_("Duplicate ID \"%s\""),id.c_str()));
- return value_node;
- }
- catch(...)
- {
- error(element,strprintf(_("Unknown Exception thrown when adding ValueNode \"%s\""),id.c_str()));
- throw;
- }
- }
- value_node->set_guid(guid);
- return value_node;
-}
-
-void
-CanvasParser::parse_canvas_defs(xmlpp::Element *element,Canvas::Handle canvas)
-{
- 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);
- }
-}
-
-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();
- }
-
- 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
- if(element->get_attribute("version"))
- {
- String version(element->get_attribute("version")->get_value());
- if(version>layer->get_version())
- warning(element,_("Installed layer version is larger 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);
-
- 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();
-
- 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(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
- {
- if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
- error((*iter),_("Layer rejected canvas link"));
- }
- else
- try
- {
- handle<ValueNode> value_node=canvas->surefind_value_node(str);
-
- // Assign the value_node to the dynamic parameter list
- layer->connect_dynamic_param(param_name,value_node);
- }
- catch(Exception::IDNotFound)
- {
- error(child,strprintf(_("Unknown ID (%s) referenced in <param>"),str.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;
- }
-
- // If we recognise the element name as a
- // ValueBase, then treat is at one
- if(/*(*iter)->get_name()!="canvas" && */ValueBase::ident_type((*iter)->get_name()) && !dynamic_cast<xmlpp::Element*>(*iter)->get_attribute("guid"))
- {
- ValueBase data=parse_value(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(!data.is_valid())
- {
- error((*iter),_("Bad data for <param>"));
- continue;
- }
-
- // Set the layer's parameter, and make sure that
- // the layer liked it
- if(!layer->set_param(param_name,data))
- {
- warning((*iter),_("Layer rejected value for <param>"));
- continue;
- }
- }
- else // ... otherwise, we assume that it is a ValueNode
- {
- handle<ValueNode> value_node=parse_value_node(dynamic_cast<xmlpp::Element*>(*iter),canvas);
-
- if(!value_node)
- {
- error((*iter),_("Bad data for <param>"));
- continue;
- }
-
- // Assign the value_node to the dynamic parameter list
- layer->connect_dynamic_param(param_name,value_node);
- }
-
- // 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
- error_unexpected_element(child,child->get_name());
- }
-
- layer->reset_version();
- return layer;
-}
-
-Canvas::Handle
-CanvasParser::parse_canvas(xmlpp::Element *element,Canvas::Handle parent,bool inline_, 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
- {
- canvas=parent->find_canvas(element->get_attribute("id")->get_value());
- }
- catch(...)
- {
- canvas=parent->new_child_canvas(element->get_attribute("id")->get_value());
- }
- }
- canvas->rend_desc().clear_flags();
- }
- else
- {
- canvas=Canvas::create();
- 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("width"))
- canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
-
- if(element->get_attribute("height"))
- canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
-
- 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()));
-
-
- 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);
-
- 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,_("Inline canvas cannot have a <defs> section"));
- parse_canvas_defs(child, canvas);
- }
- else
- if(child->get_name()=="keyframe")
- {
- if(canvas->is_inline())
- {
- warning(child,_("Inline canvas 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,_("Inline canvases cannot have metadata"));
- continue;
- }
-
- String name,content;
-
- 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;
- }
-
- canvas->set_meta_data(child->get_attribute("name")->get_value(),child->get_attribute("content")->get_value());
- }
- 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\" entitity"));
-
- 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\" entitity"));
-
- 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\" entitity"));
-
- 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
- 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())
- {
- error(element,strprintf(_("Canvas %s has undefined ValueNodes"),canvas->get_id().c_str()));
- }
-
- return canvas;
-}
-
-Canvas::Handle
-CanvasParser::parse_from_file(const String &file)
-{
- return parse_from_file_as(file,file);
-}
-
-Canvas::Handle
-CanvasParser::parse_from_file_as(const String &file_,const String &as_)
-{
- CHECK_EXPIRE_TIME();
- try
- {
- ChangeLocale change_locale(LC_NUMERIC, "C");
- String file(unix_to_local_path(file_));
- String as(unix_to_local_path(as_));
-
- if(get_open_canvas_map().count(etl::absolute_path(as)))
- return get_open_canvas_map()[etl::absolute_path(as)];
-
- filename=as;
- total_warnings_=0;
- xmlpp::DomParser parser(file);
- if(parser)
- {
- Canvas::Handle canvas(parse_canvas(parser.get_document()->get_root_node(),0,false,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()));
-
-
-
- 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);
- 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(const std::exception& ex)
- {
- synfig::error("Standard Exception: "+String(ex.what()));
- return Canvas::Handle();
- }
- catch(const String& str)
- {
- cerr<<str<<endl;
- // synfig::error(str);
- return Canvas::Handle();
- }
- return Canvas::Handle();
-}
-
-Canvas::Handle
-CanvasParser::parse_from_string(const String &data)
-{
- CHECK_EXPIRE_TIME();
-
- try
- {
- ChangeLocale change_locale(LC_NUMERIC, "C");
- filename=_("<INTERNAL>");
- total_warnings_=0;
- xmlpp::DomParser parser;
- parser.parse_memory(data);
- xmlpp::Element *root=parser.get_document()->get_root_node();
- if(parser)
- {
- Canvas::Handle canvas(parse_canvas(root));
- 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()));
-
- 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);
- 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(const std::exception& ex)
- {
- synfig::error("Standard Exception: "+String(ex.what()));
- return Canvas::Handle();
- }
- catch(const String& str)
- {
- cerr<<str<<endl;
- // synfig::error(str);
- return Canvas::Handle();
- }
- return Canvas::Handle();
-}
projects / synfig.git / blobdiff