1 files changed, 67 insertions, 0 deletions
diff --git a/source/blender/nodes/function/nodes/node_fn_replace_string.cc b/source/blender/nodes/function/nodes/node_fn_replace_string.cc
new file mode 100644
index 00000000000..d21044d54a5
--- /dev/null
+++ b/source/blender/nodes/function/nodes/node_fn_replace_string.cc
@@ -0,0 +1,67 @@
+/*
+ * 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);
+}