**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2007 Chris Moore
+** Copyright (c) 2007, 2008 Chris Moore
**
** This package is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public License as
#include <stdexcept>
#include <iostream>
+#include "layer_pastecanvas.h"
#include "loadcanvas.h"
#include "valuenode.h"
#include "valuenode_subtract.h"
inline bool is_whitespace(char x) { return ((x)=='\n' || (x)=='\t' || (x)==' '); }
+std::set<String> CanvasParser::loading_;
+
/* === P R O C E D U R E S ================================================= */
static std::map<String, Canvas::LooseHandle>* open_canvas_map_(0);
}
Canvas::Handle
-synfig::open_canvas(const String &filename)
+synfig::open_canvas(const String &filename,String &errors,String &warnings)
{
- CanvasParser parser;
-
- parser.set_allow_errors(true);
-
- Canvas::Handle canvas=parser.parse_from_file(filename);
-
- if(parser.error_count())
- return Canvas::Handle();
-
- return canvas;
+ return open_canvas_as(filename, filename, errors, warnings);
}
Canvas::Handle
-synfig::open_canvas_as(const String &filename,const String &as)
+synfig::open_canvas_as(const String &filename,const String &as,String &errors,String &warnings)
{
- 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;
-}
+ if (CanvasParser::loading_.count(filename))
+ {
+ String warning(strprintf(_("cannot load '%s' recursively"), filename.c_str()));
+ synfig::warning(warning);
+ warnings = " * " + warning + "\n";
+ Canvas::Handle canvas(Canvas::create());
+ canvas->set_file_name(filename);
+ Layer::Handle paste(Layer_PasteCanvas::create());
+ canvas->push_back(paste);
+ paste->set_description(warning);
+ return canvas;
+ }
-Canvas::Handle
-synfig::string_to_canvas(const String &data)
-{
+ Canvas::Handle canvas;
CanvasParser parser;
-
parser.set_allow_errors(true);
- Canvas::Handle canvas=parser.parse_from_string(data);
+ try
+ {
+ CanvasParser::loading_.insert(filename);
+ canvas=parser.parse_from_file_as(filename,as,errors);
+ }
+ catch (...)
+ {
+ CanvasParser::loading_.erase(filename);
+ throw;
+ }
+ CanvasParser::loading_.erase(filename);
+
+ warnings = parser.get_warnings_text();
if(parser.error_count())
+ {
+ errors = parser.get_errors_text();
return Canvas::Handle();
+ }
return canvas;
}
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;
+ 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"));
}
{
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<<endl;
// <waypoint time="0s" use="mycanvas"/>
// </animated>
if (type==ValueBase::TYPE_CANVAS)
- waypoint_value_node=ValueNode_Const::create(canvas->surefind_canvas(child->get_attribute("use")->get_value()));
+ {
+ 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(child->get_attribute("temporal-tension"))
{
synfig::String str(child->get_attribute("temporal-tension")->get_value());
- waypoint->set_time_tension(atof(str.c_str()));
+ waypoint->set_temporal_tension(atof(str.c_str()));
}
if(child->get_attribute("continuity"))
{
// 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 == ValueBase::TYPE_ANGLE)
+ if (type == ValueBase::TYPE_ANGLE)
{
- Canvas::Handle parent = canvas;
- while (!parent->is_root())
- parent = parent->parent();
-
- if (parent->get_version() == "0.1")
+ if (canvas->get_version() == "0.1")
{
bool first = true;
Real angle, prev = 0;
if (first)
first = false;
else if (iter->get_value_node()->get_name() == "constant")
+ {
if (angle - prev > 180)
{
while (angle - prev > 180) angle -= 360;
while (prev - angle > 180) angle += 360;
iter->set_value(Angle::deg(angle));
}
+ }
prev = angle;
}
}
}
}
+ String version(canvas->get_version());
for (int i = 0; i < value_node->link_count(); i++)
{
- if (!c[i] &&
- // the 'width' parameter of <stripes> wasn't always present, so it won't be in old .sif files
- !(element->get_name() == "stripes" && value_node->link_name(i) == "width"))
+ 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;
+
error(element, strprintf(_("<%s> is missing link %d (%s)"),
element->get_name().c_str(),
i,
}
}
+ // 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=LinkableValueNode::create("scale",type);
+ scale_value_node->set_link(scale_value_node->get_link_index_from_name("link"), value_node);
+ scale_value_node->set_link(scale_value_node->get_link_index_from_name("scalar"), ValueNode_Const::create(Real(0.5)));
+ value_node = scale_value_node;
+ }
+ }
+
return value_node;
}
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
String str= child->get_attribute("use")->get_value();
- if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
+ if (str.empty())
+ error(child,_("Empty use=\"\" value in <param>"));
+ else if(layer->get_param(param_name).get_type()==ValueBase::TYPE_CANVAS)
{
- if(!layer->set_param(param_name,canvas->surefind_canvas(str)))
+ 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"));
}
else
handle<ValueNode> value_node=canvas->surefind_value_node(str);
// 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";
+ }
layer->connect_dynamic_param(param_name,value_node);
}
catch(Exception::IDNotFound)
// the layer liked it
if(!layer->set_param(param_name,data))
{
- warning((*iter),_("Layer rejected value for <param>"));
+ warning((*iter),strprintf(_("Layer '%s' rejected value for parameter '%s'"),
+ element->get_attribute("type")->get_value().c_str(),
+ param_name.c_str()));
continue;
}
}
{
try
{
- canvas=parent->find_canvas(element->get_attribute("id")->get_value());
+ String warnings;
+ canvas=parent->find_canvas(element->get_attribute("id")->get_value(), warnings);
+ warnings_text += warnings;
}
catch(...)
{
canvas->set_version(parent->get_version());
if(element->get_attribute("width"))
- canvas->rend_desc().set_w(atoi(element->get_attribute("width")->get_value().c_str()));
+ {
+ 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"))
- canvas->rend_desc().set_h(atoi(element->get_attribute("height")->get_value().c_str()));
+ {
+ 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()));
return canvas;
}
-Canvas::Handle
-CanvasParser::parse_from_file(const String &file)
+void
+CanvasParser::register_canvas_in_map(Canvas::Handle canvas, String as)
{
- return parse_from_file_as(file,file);
+ 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(), ulong(&*second), second->count());
+ }
+ printf(" `-----\n\n");
+}
+#endif // _DEBUG
+
Canvas::Handle
-CanvasParser::parse_from_file_as(const String &file_,const String &as_)
+CanvasParser::parse_from_file_as(const String &file_,const String &as_,String &errors)
{
+ ChangeLocale change_locale(LC_NUMERIC, "C");
+ String file(unix_to_local_path(file_));
+ String as(unix_to_local_path(as_));
+
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)];
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()));
-
-
+ if (!canvas) return canvas;
+ register_canvas_in_map(canvas, as);
const ValueNodeList& value_node_list(canvas->value_node_list());
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)
+ catch(xmlpp::internal_error x)
{
- synfig::error("Standard Exception: "+String(ex.what()));
- return Canvas::Handle();
+ if (!strcmp(x.what(), "Couldn't create parsing context"))
+ throw runtime_error(String(" * ") + _("Can't open file") + " \"" + file + "\"");
+ throw;
}
- 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)
-{
- 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()));
+ errors = ex.what();
return Canvas::Handle();
}
catch(const String& str)
{
cerr<<str<<endl;
// synfig::error(str);
+ errors = str;
return Canvas::Handle();
}
return Canvas::Handle();