Differential D13466 Diff 46665 source/blender/nodes/function/nodes/node_fn_slice_string.cc

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source/blender/nodes/function/nodes/node_fn_slice_string.cc

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	* along with this program; if not, write to the Free Software Foundation,			* along with this program; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.			* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	*/			*/

	#include "BLI_string_utf8.h"			#include "BLI_string_utf8.h"

	#include "node_function_util.hh"			#include "node_function_util.hh"

	namespace blender::nodes {			namespace blender::nodes::node_fn_slice_string_cc {

	static void fn_node_slice_string_declare(NodeDeclarationBuilder &b)			static void fn_node_slice_string_declare(NodeDeclarationBuilder &b)
	{			{
	b.add_input<decl::String>(N_("String"));			b.add_input<decl::String>(N_("String"));
	b.add_input<decl::Int>(N_("Position"));			b.add_input<decl::Int>(N_("Position"));
	b.add_input<decl::Int>(N_("Length")).min(0).default_value(10);			b.add_input<decl::Int>(N_("Length")).min(0).default_value(10);
	b.add_output<decl::String>(N_("String"));			b.add_output<decl::String>(N_("String"));
	};			};

	static void fn_node_slice_string_build_multi_function(NodeMultiFunctionBuilder &builder)			static void fn_node_slice_string_build_multi_function(NodeMultiFunctionBuilder &builder)
	{			{
	static blender::fn::CustomMF_SI_SI_SI_SO<std::string, int, int, std::string> slice_fn{			static blender::fn::CustomMF_SI_SI_SI_SO<std::string, int, int, std::string> slice_fn{
	"Slice", [](const std::string &str, int a, int b) {			"Slice", [](const std::string &str, int a, int b) {
	const int len = BLI_strlen_utf8(str.c_str());			const int len = BLI_strlen_utf8(str.c_str());
	const int start = BLI_str_utf8_offset_from_index(str.c_str(), std::clamp(a, 0, len));			const int start = BLI_str_utf8_offset_from_index(str.c_str(), std::clamp(a, 0, len));
	const int end = BLI_str_utf8_offset_from_index(str.c_str(), std::clamp(a + b, 0, len));			const int end = BLI_str_utf8_offset_from_index(str.c_str(), std::clamp(a + b, 0, len));
	return str.substr(start, std::max<int>(end - start, 0));			return str.substr(start, std::max<int>(end - start, 0));
	}};			}};
	builder.set_matching_fn(&slice_fn);			builder.set_matching_fn(&slice_fn);
	}			}

	} // namespace blender::nodes			} // namespace blender::nodes::node_fn_slice_string_cc

	void register_node_type_fn_slice_string()			void register_node_type_fn_slice_string()
	{			{
				namespace file_ns = blender::nodes::node_fn_slice_string_cc;

	static bNodeType ntype;			static bNodeType ntype;

	fn_node_type_base(&ntype, FN_NODE_SLICE_STRING, "Slice String", NODE_CLASS_CONVERTER, 0);			fn_node_type_base(&ntype, FN_NODE_SLICE_STRING, "Slice String", NODE_CLASS_CONVERTER);
	ntype.declare = blender::nodes::fn_node_slice_string_declare;			ntype.declare = file_ns::fn_node_slice_string_declare;
	ntype.build_multi_function = blender::nodes::fn_node_slice_string_build_multi_function;			ntype.build_multi_function = file_ns::fn_node_slice_string_build_multi_function;
	nodeRegisterType(&ntype);			nodeRegisterType(&ntype);
	}			}