node_fn_string_length.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "BLI_string_utf8.h"
 
#include "node_function_util.hh"
 
namespace blender::nodes::node_fn_string_length_cc {
 
static void node_declare(NodeDeclarationBuilder &b)
{
  b.add_input<decl::String>("String").optional_label();
  b.add_output<decl::Int>("Length");
}
 
static void node_build_multi_function(NodeMultiFunctionBuilder &builder)
{
  static auto str_len_fn = mf::build::SI1_SO<std::string, int>(
      "String Length", [](const std::string &a) { return BLI_strlen_utf8(a.c_str()); });
  builder.set_matching_fn(&str_len_fn);
}
 
static void node_register()
{
  static blender::bke::bNodeType ntype;
 
  fn_node_type_base(&ntype, "FunctionNodeStringLength", FN_NODE_STRING_LENGTH);
  ntype.ui_name = "String Length";
  ntype.ui_description = "Output the number of characters in the given string";
  ntype.enum_name_legacy = "STRING_LENGTH";
  ntype.nclass = NODE_CLASS_CONVERTER;
  ntype.declare = node_declare;
  ntype.build_multi_function = node_build_multi_function;
  blender::bke::node_register_type(ntype);
}
NOD_REGISTER_NODE(node_register)
 
}  // namespace blender::nodes::node_fn_string_length_cc