示例#1
0
void dbf_file::add_attribute(int col, mapnik::transcoder const& tr, Feature const& f) const throw()
{
    using namespace boost::spirit;

    if (col>=0 && col<num_fields_)
    {
        std::string name=fields_[col].name_;
        
        switch (fields_[col].type_)
        {
        case 'C':
        case 'D'://todo handle date?
        case 'M':
        case 'L':
        {
            // FIXME - avoid constructing std::string on stack
            std::string str(record_+fields_[col].offset_,fields_[col].length_);
            boost::trim(str);
            f[name] = tr.transcode(str.c_str()); 
            break;
        }
        case 'N':
        case 'F':
        {
            
            if (record_[fields_[col].offset_] == '*')
            {
                boost::put(f,name,0);
                break;
            }
            if ( fields_[col].dec_>0 )
            {   
                double val = 0.0;
                const char *itr = record_+fields_[col].offset_;
                const char *end = itr + fields_[col].length_;
                qi::phrase_parse(itr,end,double_,ascii::space,val);
                boost::put(f,name,val); 
            }
            else
            {
                int val = 0; 
                const char *itr = record_+fields_[col].offset_;
                const char *end = itr + fields_[col].length_;
                qi::phrase_parse(itr,end,int_,ascii::space,val);
                boost::put(f,name,val); 
            }
            break;
        }
        }
    }
}
示例#2
0
#include <mapnik/text/placements/dummy.hpp>
#include <mapnik/text/formatting/text.hpp>

TEST_CASE("fontset") {

    SECTION("error") {

        try {

            // create a renderable map with a fontset and a text symbolizer
            // and do not register any fonts, to ensure the error thrown is reasonable
            mapnik::context_ptr ctx = std::make_shared<mapnik::context_type>();
            ctx->push("name");
            mapnik::feature_ptr feature(mapnik::feature_factory::create(ctx,1));
            mapnik::transcoder tr("utf-8");
            mapnik::value_unicode_string ustr = tr.transcode("hello world!");
            feature->put("name",ustr);
            mapnik::geometry::point<double> pt(128,128);
            feature->set_geometry(std::move(pt));

            mapnik::parameters params;
            params["type"]="memory";
            auto ds = std::make_shared<mapnik::memory_datasource>(params);
            ds->push(feature);
            mapnik::Map m(256,256);
            mapnik::font_set fontset("fontset");
            // NOTE: this is a valid font, but will fail because none are registered
            fontset.add_face_name("DejaVu Sans Book");
            m.insert_fontset("fontset", fontset);
            mapnik::layer lyr("layer");
            lyr.set_datasource(ds);
示例#3
0
文件: dbfile.cpp 项目: Jeff885/mapnik
void dbf_file::add_attribute(int col, mapnik::transcoder const& tr, Feature & f) const throw()
{
    using namespace boost::spirit;

    if (col>=0 && col<num_fields_)
    {
        std::string const& name=fields_[col].name_;

        switch (fields_[col].type_)
        {
        case 'C':
        case 'D':
        {
            // FIXME - avoid constructing std::string on stack
            std::string str(record_+fields_[col].offset_,fields_[col].length_);
            boost::trim(str);
            f.put(name,tr.transcode(str.c_str()));
            break;
        }
        case 'L':
        {
            char ch = record_[fields_[col].offset_];
            if ( ch == '1' || ch == 't' || ch == 'T' || ch == 'y' || ch == 'Y')
            {
                f.put(name,true);
            }
            else
            {
                // NOTE: null logical fields use '?'
                f.put(name,false);
            }
            break;
        }
        case 'N':
        {
            if (record_[fields_[col].offset_] == '*')
            {
                f.put(name,mapnik::value_null());
                break;
            }
            if ( fields_[col].dec_>0 )
            {
                double val = 0.0;
                const char *itr = record_+fields_[col].offset_;
                const char *end = itr + fields_[col].length_;
                if (qi::phrase_parse(itr,end,double_,ascii::space,val))
                    f.put(name,val);
            }
            else
            {
                mapnik::value_integer val = 0;
                const char *itr = record_+fields_[col].offset_;
                const char *end = itr + fields_[col].length_;
                if (qi::phrase_parse(itr,end,int_,ascii::space,val))
                    f.put(name,val);
            }
            break;
        }
        }
    }
}
示例#4
0
std::string parse_and_dump(std::string const& str)
{
    auto expr = mapnik::parse_expression(str);
    return mapnik::to_expression_string(*expr);
}

} // namespace

TEST_CASE("expressions")
{
    using namespace std::placeholders;
    using properties_type = std::vector<std::pair<std::string, mapnik::value> > ;
    mapnik::transcoder tr("utf8");

    properties_type prop = {{ "foo"   , tr.transcode("bar") },
                            { "name"  , tr.transcode("Québec")},
                            { "grass" , tr.transcode("grow")},
                            { "wind"  , tr.transcode("blow")},
                            { "sky"   , tr.transcode("is blue")},
                            { "double", mapnik::value_double(1.23456)},
                            { "int"   , mapnik::value_integer(123)},
                            { "bool"  , mapnik::value_bool(true)},
                            { "null"  , mapnik::value_null()}};

    auto feature = make_test_feature(1, "POINT(100 200)", prop);
    auto eval = std::bind(evaluate_string, feature, _1);
    auto approx = Approx::custom().epsilon(1e-6);

    TRY_CHECK(eval(" [foo]='bar' ") == true);
示例#5
0
void dbf_file::add_attribute(int col, mapnik::transcoder const& tr, mapnik::feature_impl & f) const throw()
{
    using namespace boost::spirit;

    if (col>=0 && col<num_fields_)
    {
        std::string const& name=fields_[col].name_;

        // NOTE: ensure types handled here are matched in shape_datasource.cpp
        switch (fields_[col].type_)
        {
        case 'C':
        case 'D':
        {
            // FIXME - avoid constructing std::string on stack
            std::string str(record_+fields_[col].offset_,fields_[col].length_);
            mapnik::util::trim(str);
            f.put(name,tr.transcode(str.c_str()));
            break;
        }
        case 'L':
        {
            char ch = record_[fields_[col].offset_];
            if ( ch == '1' || ch == 't' || ch == 'T' || ch == 'y' || ch == 'Y')
            {
                f.put(name,true);
            }
            else
            {
                // NOTE: null logical fields use '?'
                f.put(name,false);
            }
            break;
        }
        case 'N': // numeric
        case 'O': // double
        case 'F': // float
        {

            if (record_[fields_[col].offset_] == '*')
            {
                // NOTE: we intentionally do not store null here
                // since it is equivalent to the attribute not existing
                break;
            }
            if ( fields_[col].dec_>0 )
            {
                double val = 0.0;
                const char *itr = record_+fields_[col].offset_;
                const char *end = itr + fields_[col].length_;
                ascii::space_type space;
                static qi::double_type double_;
                if (qi::phrase_parse(itr,end,double_,space,val))
                {
                    f.put(name,val);
                }
            }
            else
            {
                mapnik::value_integer val = 0;
                const char *itr = record_+fields_[col].offset_;
                const char *end = itr + fields_[col].length_;
                ascii::space_type space;
                static qi::int_parser<mapnik::value_integer,10,1,-1> numeric_parser;
                if (qi::phrase_parse(itr, end, numeric_parser, space, val))
                {
                    f.put(name,val);
                }
            }
            break;
        }
        }
    }
}
示例#6
0
std::string parse_and_dump(std::string const& str)
{
    auto expr = mapnik::parse_expression(str);
    return mapnik::to_expression_string(*expr);
}

} // namespace

TEST_CASE("expressions")
{
    using namespace std::placeholders;
    using properties_type = std::vector<std::pair<std::string, mapnik::value> > ;
    mapnik::transcoder tr("utf8");

    properties_type prop = {{ "foo"   , tr.transcode("bar") },
                            { "name"  , tr.transcode("Québec")},
                            { "grass" , tr.transcode("grow")},
                            { "wind"  , tr.transcode("blow")},
                            { "sky"   , tr.transcode("is blue")},
                            { "double", mapnik::value_double(1.23456)},
                            { "int"   , mapnik::value_integer(123)},
                            { "bool"  , mapnik::value_bool(true)},
                            { "null"  , mapnik::value_null()}};

    auto feature = make_test_feature(1, "POINT(100 200)", prop);
    auto eval = std::bind(evaluate_string, feature, _1);
    auto approx = Approx::custom().epsilon(1e-6);

    TRY_CHECK(eval(" [foo]='bar' ") == true);