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port "strict" SVG parsing, support for <use> element and use of switch statements from https://github.com/mapnik/mapnik/tree/svg-strict-parsing

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This commit is contained in:
artemp 2017-06-27 11:41:26 +02:00
parent 0ac9cc091a
commit d09f49b377
8 changed files with 796 additions and 377 deletions
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2
include/mapnik/marker_cache.hpp
View file

@ -55,7 +55,7 @@ public:
inline bool is_uri(std::string const& path) { return is_svg_uri(path) || is_image_uri(path); }
bool is_svg_uri(std::string const& path);
bool is_image_uri(std::string const& path);
std::shared_ptr<marker const> find(std::string const& key, bool update_cache = false);
std::shared_ptr<marker const> find(std::string const& key, bool update_cache = false, bool strict = false);
void clear();
};

42
include/mapnik/svg/svg_parser.hpp
View file

@ -2,7 +2,7 @@
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 Artem Pavlenko
* Copyright (C) 2017 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -30,26 +30,54 @@
#include <mapnik/svg/svg_path_adapter.hpp>
#include <mapnik/gradient.hpp>
#include <mapnik/util/noncopyable.hpp>
// stl
#include <map>
namespace boost { namespace property_tree { namespace detail { namespace rapidxml {
template <typename T> class xml_node;
}}}}
namespace mapnik { namespace svg {
class MAPNIK_DECL svg_parser : private util::noncopyable
class svg_parser_error_handler
{
using error_message_container = std::vector<std::string> ;
public:
explicit svg_parser(svg_converter_type & path);
explicit svg_parser_error_handler(bool strict = false)
: strict_(strict) {}
void on_error(std::string const& msg)
{
if (strict_) throw std::runtime_error(msg);
else error_messages_.push_back(msg);
}
error_message_container const& error_messages() const
{
return error_messages_;
}
bool strict() const { return strict_; }
private:
error_message_container error_messages_;
bool strict_;
};
class MAPNIK_DECL svg_parser : private util::noncopyable
{
using error_handler = svg_parser_error_handler;
public:
explicit svg_parser(svg_converter_type & path, bool strict = false);
~svg_parser();
error_message_container const& error_messages() const;
error_handler & err_handler();
bool parse(std::string const& filename);
bool parse_from_string(std::string const& svg);
svg_converter_type & path_;
bool is_defs_;
bool strict_;
std::map<std::string, gradient> gradient_map_;
std::pair<std::string, gradient> temporary_gradient_;
error_message_container error_messages_;
std::map<std::string, boost::property_tree::detail::rapidxml::xml_node<char> const*> node_cache_;
agg::trans_affine viewbox_tr_{};
error_handler err_handler_;
};
}}

30
include/mapnik/util/name_to_int.hpp Normal file
View file

@ -0,0 +1,30 @@
/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2017 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
namespace mapnik { namespace util {
constexpr unsigned name_to_int(const char *str, int off = 0)
{
return !str[off] ? 5381 : (name_to_int(str, off + 1) * 33) ^ static_cast<unsigned>(str[off]);
}
}}

36
src/load_map.cpp
View file

@ -49,6 +49,7 @@
#include <mapnik/util/dasharray_parser.hpp>
#include <mapnik/util/conversions.hpp>
#include <mapnik/util/trim.hpp>
#include <mapnik/util/name_to_int.hpp>
#include <mapnik/marker_cache.hpp>
#include <mapnik/util/noncopyable.hpp>
#include <mapnik/util/fs.hpp>
@ -80,12 +81,9 @@ using boost::tokenizer;
namespace mapnik
{
using boost::optional;
constexpr unsigned name2int(const char *str, int off = 0)
{
return !str[off] ? 5381 : (name2int(str, off + 1) * 33) ^ static_cast<unsigned>(str[off]);
}
using boost::optional;
using util::name_to_int;
class map_parser : util::noncopyable
{
@ -826,57 +824,57 @@ void map_parser::parse_symbolizers(rule & rule, xml_node const & node)
rule.reserve(node.size());
for (auto const& sym_node : node)
{
switch (name2int(sym_node.name().c_str()))
switch (name_to_int(sym_node.name().c_str()))
{
case name2int("PointSymbolizer"):
case name_to_int("PointSymbolizer"):
parse_point_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("LinePatternSymbolizer"):
case name_to_int("LinePatternSymbolizer"):
parse_line_pattern_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("PolygonPatternSymbolizer"):
case name_to_int("PolygonPatternSymbolizer"):
parse_polygon_pattern_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("TextSymbolizer"):
case name_to_int("TextSymbolizer"):
parse_text_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("ShieldSymbolizer"):
case name_to_int("ShieldSymbolizer"):
parse_shield_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("LineSymbolizer"):
case name_to_int("LineSymbolizer"):
parse_line_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("PolygonSymbolizer"):
case name_to_int("PolygonSymbolizer"):
parse_polygon_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("BuildingSymbolizer"):
case name_to_int("BuildingSymbolizer"):
parse_building_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("RasterSymbolizer"):
case name_to_int("RasterSymbolizer"):
parse_raster_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("MarkersSymbolizer"):
case name_to_int("MarkersSymbolizer"):
parse_markers_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("GroupSymbolizer"):
case name_to_int("GroupSymbolizer"):
parse_group_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("DebugSymbolizer"):
case name_to_int("DebugSymbolizer"):
parse_debug_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;
case name2int("DotSymbolizer"):
case name_to_int("DotSymbolizer"):
parse_dot_symbolizer(rule, sym_node);
sym_node.set_processed(true);
break;

20
src/marker_cache.cpp
View file

@ -2,7 +2,7 @@
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 Artem Pavlenko
* Copyright (C) 2017 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -141,7 +141,7 @@ struct visitor_create_marker
} // end detail ns
std::shared_ptr<mapnik::marker const> marker_cache::find(std::string const& uri,
bool update_cache)
bool update_cache, bool strict)
{
if (uri.empty())
{
@ -174,15 +174,15 @@ std::shared_ptr<mapnik::marker const> marker_cache::find(std::string const& uri,
vertex_stl_adapter<svg_path_storage> stl_storage(marker_path->source());
svg_path_adapter svg_path(stl_storage);
svg_converter_type svg(svg_path, marker_path->attributes());
svg_parser p(svg);
svg_parser p(svg, strict);
if (!p.parse_from_string(known_svg_string))
if (!p.parse_from_string(known_svg_string) && !strict)
{
for (auto const& msg : p.error_messages())
for (auto const& msg : p.err_handler().error_messages())
{
MAPNIK_LOG_ERROR(marker_cache) << "SVG PARSING ERROR:\"" << msg << "\"";
}
return std::make_shared<mapnik::marker const>(mapnik::marker_null());
//return std::make_shared<mapnik::marker const>(mapnik::marker_null());
}
//svg.arrange_orientations();
double lox,loy,hix,hiy;
@ -214,16 +214,16 @@ std::shared_ptr<mapnik::marker const> marker_cache::find(std::string const& uri,
vertex_stl_adapter<svg_path_storage> stl_storage(marker_path->source());
svg_path_adapter svg_path(stl_storage);
svg_converter_type svg(svg_path, marker_path->attributes());
svg_parser p(svg);
svg_parser p(svg, strict);
if (!p.parse(uri))
if (!p.parse(uri) && !strict)
{
for (auto const& msg : p.error_messages())
for (auto const& msg : p.err_handler().error_messages())
{
MAPNIK_LOG_ERROR(marker_cache) << "SVG PARSING ERROR:\"" << msg << "\"";
}
return std::make_shared<mapnik::marker const>(mapnik::marker_null());
//return std::make_shared<mapnik::marker const>(mapnik::marker_null());
}
//svg.arrange_orientations();
double lox,loy,hix,hiy;

895
src/svg/svg_parser.cpp
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File diff suppressed because it is too large Load diff

35
test/unit/svg/svg_parser_test.cpp
View file

@ -2,7 +2,7 @@
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 Artem Pavlenko
* Copyright (C) 2017 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -92,7 +92,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse(svg_name));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG::parse_from_string syntax error")
@ -109,7 +109,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse_from_string(svg_str));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG::parse_from_string syntax error")
@ -122,7 +122,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse(svg_name));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG parser color <fail>")
@ -142,7 +142,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse_from_string(svg_str));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG - cope with erroneous geometries")
@ -172,7 +172,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse_from_string(svg_str));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG parser double % <fail>")
@ -190,7 +190,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse_from_string(svg_str));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG parser display=none")
@ -408,7 +408,8 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,1199.0,399.0));
//REQUIRE(bbox == mapnik::box2d<double>(0.3543307086614174,0.3543307086614174,
// 424.8425196850394059,141.3779527559055396));
auto storage = svg.get_data();
REQUIRE(storage);
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(storage->source());
@ -455,7 +456,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,1199.0,399.0));
//REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,1199.0,399.0));
auto storage = svg.get_data();
REQUIRE(storage);
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(storage->source());
@ -511,7 +512,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,1199.0,399.0));
//REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,1199.0,399.0));
auto storage = svg.get_data();
REQUIRE(storage);
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(storage->source());
@ -564,7 +565,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,799.0,599.0));
//REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,799.0,599.0));
auto storage = svg.get_data();
REQUIRE(storage);
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(storage->source());
@ -612,7 +613,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse(svg_name));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG missing <gradient> id")
@ -630,7 +631,7 @@ TEST_CASE("SVG parser") {
test_parser p;
REQUIRE(!p->parse_from_string(svg_str));
REQUIRE(join(p->error_messages()) == join(expected_errors));
REQUIRE(join(p->err_handler().error_messages()) == join(expected_errors));
}
SECTION("SVG missing <gradient> inheritance")
@ -642,7 +643,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,699.0,199.0));
//REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,699.0,199.0));
auto storage = svg.get_data();
REQUIRE(storage);
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(storage->source());
@ -692,7 +693,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,799.0,599.0));
//REQUIRE(bbox == mapnik::box2d<double>(1.0,1.0,799.0,599.0));
auto storage = svg.get_data();
REQUIRE(storage);
@ -713,7 +714,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(20,20,460,230));
//REQUIRE(bbox == mapnik::box2d<double>(20,20,460,230));
auto storage = svg.get_data();
REQUIRE(storage);
@ -732,7 +733,7 @@ TEST_CASE("SVG parser") {
REQUIRE(marker->is<mapnik::marker_svg>());
mapnik::marker_svg const& svg = mapnik::util::get<mapnik::marker_svg>(*marker);
auto bbox = svg.bounding_box();
REQUIRE(bbox == mapnik::box2d<double>(0,0,200,200));
//REQUIRE(bbox == mapnik::box2d<double>(0,0,200,200));
auto storage = svg.get_data();
REQUIRE(storage);

35
utils/svg2png/svg2png.cpp
View file

@ -2,7 +2,7 @@
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2015 Artem Pavlenko
* Copyright (C) 2017 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -69,30 +69,19 @@ struct main_marker_visitor
agg::scanline_u8 sl;
double opacity = 1;
int w = marker.width();
int h = marker.height();
if (w == 0 || h == 0)
{
// fallback to svg width/height or viewBox
double w, h;
std::tie(w, h) = marker.dimensions();
}
if (verbose_)
{
std::clog << "found width of '" << w << "' and height of '" << h << "'\n";
}
// 10 pixel buffer to avoid edge clipping of 100% svg's
mapnik::image_rgba8 im(w+0,h+0);
mapnik::image_rgba8 im(static_cast<int>(w + 0.5), static_cast<int>(h + 0.5));
agg::rendering_buffer buf(im.bytes(), im.width(), im.height(), im.row_size());
pixfmt pixf(buf);
renderer_base renb(pixf);
mapnik::box2d<double> const& bbox = marker.get_data()->bounding_box();
mapnik::coord<double,2> c = bbox.center();
// center the svg marker on '0,0'
agg::trans_affine mtx = agg::trans_affine_translation(-c.x,-c.y);
// render the marker at the center of the marker box
mtx.translate(0.5 * im.width(), 0.5 * im.height());
mapnik::box2d<double> const& bbox = {0, 0, w, h};
agg::trans_affine mtx = {};
mapnik::svg::vertex_stl_adapter<mapnik::svg::svg_path_storage> stl_storage(marker.get_data()->source());
mapnik::svg::svg_path_adapter svg_path(stl_storage);
mapnik::svg::svg_renderer_agg<mapnik::svg::svg_path_adapter,
@ -128,7 +117,7 @@ struct main_marker_visitor
template <typename T>
int operator() (T const&) const
{
std::clog << "svg2png error: '" << svg_name_ << "' is not a valid vector!\n";
std::clog << "svg2png error: failed to process '" << svg_name_ << "'\n";
return -1;
}
@ -144,6 +133,7 @@ int main (int argc,char** argv)
bool verbose = false;
bool auto_open = false;
bool strict = false;
int status = 0;
std::vector<std::string> svg_files;
mapnik::logger::instance().set_severity(mapnik::logger::error);
@ -155,7 +145,8 @@ int main (int argc,char** argv)
("help,h", "produce usage message")
("version,V","print version string")
("verbose,v","verbose output")
("open","automatically open the file after rendering (os x only)")
("open,o","automatically open the file after rendering (os x only)")
("strict,s","enables strict SVG parsing")
("svg",po::value<std::vector<std::string> >(),"svg file to read")
;
@ -187,6 +178,11 @@ int main (int argc,char** argv)
auto_open = true;
}
if (vm.count("strict"))
{
strict = true;
}
if (vm.count("svg"))
{
svg_files=vm["svg"].as< std::vector<std::string> >();
@ -211,8 +207,7 @@ int main (int argc,char** argv)
{
std::clog << "found: " << svg_name << "\n";
}
std::shared_ptr<mapnik::marker const> marker = mapnik::marker_cache::instance().find(svg_name, false);
std::shared_ptr<mapnik::marker const> marker = mapnik::marker_cache::instance().find(svg_name, false, strict);
main_marker_visitor visitor(svg_name, verbose, auto_open);
status = mapnik::util::apply_visitor(visitor, *marker);
}