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mapnik_plugins.hpp
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mapnik_plugins.hpp
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#ifndef __NODE_MAPNIK_PLUGINS_H__
#define __NODE_MAPNIK_PLUGINS_H__
// v8
#include <v8.h>
// mapnik
#include <mapnik/datasource_cache.hpp>
#include <mapnik/version.hpp>
// stl
#include <vector>
#include "utils.hpp"
using namespace v8;
namespace node_mapnik {
static inline Handle<Value> available_input_plugins(const Arguments& args)
{
HandleScope scope;
#if MAPNIK_VERSION >= 200200
std::vector<std::string> names = mapnik::datasource_cache::instance().plugin_names();
#else
std::vector<std::string> names = mapnik::datasource_cache::instance()->plugin_names();
#endif
Local<Array> a = Array::New(names.size());
for (unsigned i = 0; i < names.size(); ++i)
{
a->Set(i, String::New(names[i].c_str()));
}
return scope.Close(a);
}
static inline Handle<Value> register_datasource(const Arguments& args)
{
HandleScope scope;
if (args.Length() != 1 || !args[0]->IsString())
return ThrowException(Exception::TypeError(
String::New("first argument must be a path to a mapnik input plugin (.input)")));
#if MAPNIK_VERSION >= 200200
std::vector<std::string> names_before = mapnik::datasource_cache::instance().plugin_names();
#else
std::vector<std::string> names_before = mapnik::datasource_cache::instance()->plugin_names();
#endif
std::string path = TOSTR(args[0]);
#if MAPNIK_VERSION >= 200200
mapnik::datasource_cache::instance().register_datasource(path);
std::vector<std::string> names_after = mapnik::datasource_cache::instance().plugin_names();
#else
mapnik::datasource_cache::instance()->register_datasource(path);
std::vector<std::string> names_after = mapnik::datasource_cache::instance()->plugin_names();
#endif
if (names_after.size() > names_before.size())
return scope.Close(True());
return scope.Close(False());
}
static inline Handle<Value> register_datasources(const Arguments& args)
{
HandleScope scope;
if (args.Length() != 1 || !args[0]->IsString())
return ThrowException(Exception::TypeError(
String::New("first argument must be a path to a directory of mapnik input plugins")));
#if MAPNIK_VERSION >= 200200
std::vector<std::string> names_before = mapnik::datasource_cache::instance().plugin_names();
#else
std::vector<std::string> names_before = mapnik::datasource_cache::instance()->plugin_names();
#endif
std::string path = TOSTR(args[0]);
#if MAPNIK_VERSION >= 200200
mapnik::datasource_cache::instance().register_datasources(path);
std::vector<std::string> names_after = mapnik::datasource_cache::instance().plugin_names();
#else
mapnik::datasource_cache::instance()->register_datasources(path);
std::vector<std::string> names_after = mapnik::datasource_cache::instance()->plugin_names();
#endif
if (names_after.size() > names_before.size())
return scope.Close(True());
return scope.Close(False());
}
}
#endif // __NODE_MAPNIK_PLUGINS_H__