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add order_by_name helper method

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This commit is contained in:
artemp 2016-08-15 12:20:19 +01:00
parent 008a6eb4cf
commit 0471f3369a
1 changed files with 9 additions and 0 deletions
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9
include/mapnik/feature_layer_desc.hpp
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@ -94,12 +94,21 @@ public:
{ {
return extra_params_; return extra_params_;
} }
bool has_name(std::string const& name) const bool has_name(std::string const& name) const
{ {
auto result = std::find_if(std::begin(descriptors_), std::end(descriptors_), auto result = std::find_if(std::begin(descriptors_), std::end(descriptors_),
[&name](attribute_descriptor const& desc) { return name == desc.get_name();}); [&name](attribute_descriptor const& desc) { return name == desc.get_name();});
return result != std::end(descriptors_); return result != std::end(descriptors_);
} }
void order_by_name()
{
std::sort(std::begin(descriptors_), std::end(descriptors_),
[](attribute_descriptor const& d0, attribute_descriptor const& d1)
{
return d0.get_name() < d1.get_name();
});
}
private: private:
std::string name_; std::string name_;
std::string encoding_; std::string encoding_;