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avoid passing empty file attributes into the renderer - closes #1277

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This commit is contained in:
Dane Springmeyer 2012-06-29 16:36:43 -07:00
parent f866ab1f80
commit da53af5c98
1 changed files with 19 additions and 3 deletions
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18
src/load_map.cpp
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@ -957,7 +957,7 @@ void map_parser::parse_markers_symbolizer(rule & rule, xml_node const& sym)
optional<std::string> file = sym.get_opt_attr<std::string>("file");
optional<std::string> base = sym.get_opt_attr<std::string>("base");
if (file)
if (file && !file->empty())
{
try
{
@ -987,10 +987,13 @@ void map_parser::parse_markers_symbolizer(rule & rule, xml_node const& sym)
}
path_expression_ptr expr(boost::make_shared<path_expression>());
if (!filename.empty())
{
if (!parse_path_from_string(expr, filename, sym.get_tree().path_expr_grammar))
{
throw mapnik::config_error("Failed to parse path_expression '" + filename + "'");
}
}
markers_symbolizer symbol(expr);
optional<float> opacity = sym.get_opt_attr<float>("opacity");
@ -1080,6 +1083,11 @@ void map_parser::parse_line_pattern_symbolizer(rule & rule, xml_node const & sym
try
{
std::string file = sym.get_attr<std::string>("file");
if (file.empty())
{
throw config_error("empty file attribute");
}
optional<std::string> base = sym.get_opt_attr<std::string>("base");
if(base)
@ -1115,6 +1123,10 @@ void map_parser::parse_polygon_pattern_symbolizer(rule & rule,
try
{
std::string file = sym.get_attr<std::string>("file");
if (file.empty())
{
throw config_error("empty file attribute");
}
optional<std::string> base = sym.get_opt_attr<std::string>("base");
if(base)
@ -1263,6 +1275,10 @@ void map_parser::parse_shield_symbolizer(rule & rule, xml_node const& sym)
parse_symbolizer_base(shield_symbol, sym);
std::string image_file = sym.get_attr<std::string>("file");
if (image_file.empty())
{
throw config_error("empty file attribute");
}
optional<std::string> base = sym.get_opt_attr<std::string>("base");
if(base)