Differential D12721 Diff 43605 source/blender/nodes/function/nodes/node_fn_replace_string.cc

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source/blender/nodes/function/nodes/node_fn_replace_string.cc

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				/*
				* This program is free software; you can redistribute it and/or
				* modify it under the terms of the GNU General Public License
				* as published by the Free Software Foundation; either version 2
				* of the License, or (at your option) any later version.
				*
				* This program is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
				* GNU General Public License for more details.
				*
				* You should have received a copy of the GNU General Public License
				* along with this program; if not, write to the Free Software Foundation,
				* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
				*/

				#include "BLI_string_utf8.h"

				#include "node_function_util.hh"

				namespace blender::nodes {

				static void fn_node_replace_string_declare(NodeDeclarationBuilder &b)
				{
				b.add_input<decl::String>("String");
				b.add_input<decl::String>("Find").description("The string to find in the input string");
				b.add_input<decl::String>("Replace").description("The string to replace each match with");
				b.add_output<decl::String>("String");
				};

				} // namespace blender::nodes

				static std::string replace_all(std::string str, const std::string &from, const std::string &to)
				{
				if (from.length() <= 0) {
				return str;
				}
				const size_t step = to.length() > 0 ? to.length() : 1;

				size_t offset = 0;
				while ((offset = str.find(from, offset)) != std::string::npos) {
				str.replace(offset, from.length(), to);
				offset += step;
				}
				return str;
				}

				static void fn_node_replace_string_build_multi_function(
				blender::nodes::NodeMultiFunctionBuilder &builder)
				{
				static blender::fn::CustomMF_SI_SI_SI_SO<std::string, std::string, std::string, std::string>
				substring_fn{"Replace",
				[](const std::string &str,
				const std::string &find,
				const std::string &replace) { return replace_all(str, find, replace); }};
				builder.set_matching_fn(&substring_fn);
				}

				void register_node_type_fn_replace_string()
				{
				static bNodeType ntype;

				fn_node_type_base(&ntype, FN_NODE_REPLACE_STRING, "Replace String", NODE_CLASS_CONVERTER, 0);
				ntype.declare = blender::nodes::fn_node_replace_string_declare;
				ntype.build_multi_function = fn_node_replace_string_build_multi_function;
				nodeRegisterType(&ntype);
				}