Add post processing source files

plugins/PostProcessingPlugin/scripts/SearchAndReplace.py

@@ -0,0 +1,56 @@
+# Copyright (c) 2017 Ruben Dulek
+# The PostProcessingPlugin is released under the terms of the AGPLv3 or higher.
+
+import re #To perform the search and replace.
+
+from ..Script import Script
+
+##  Performs a search-and-replace on all g-code.
+#
+#   Due to technical limitations, the search can't cross the border between
+#   layers.
+class SearchAndReplace(Script):
+    def getSettingDataString(self):
+        return """{
+            "name": "Search and Replace",
+            "key": "SearchAndReplace",
+            "metadata": {},
+            "version": 2,
+            "settings":
+            {
+                "search":
+                {
+                    "label": "Search",
+                    "description": "All occurrences of this text will get replaced by the replacement text.",
+                    "type": "str",
+                    "default_value": ""
+                },
+                "replace":
+                {
+                    "label": "Replace",
+                    "description": "The search text will get replaced by this text.",
+                    "type": "str",
+                    "default_value": ""
+                },
+                "is_regex":
+                {
+                    "label": "Use Regular Expressions",
+                    "description": "When enabled, the search text will be interpreted as a regular expression.",
+                    "type": "bool",
+                    "default_value": false
+                }
+            }
+        }"""
+
+    def execute(self, data):
+        search_string = self.getSettingValueByKey("search")
+        if not self.getSettingValueByKey("is_regex"):
+            search_string = re.escape(search_string) #Need to search for the actual string, not as a regex.
+        search_regex = re.compile(search_string)
+
+        replace_string = self.getSettingValueByKey("replace")
+
+        for layer_number, layer in enumerate(data):
+            data[layer_number] = re.sub(search_regex, replace_string, layer) #Replace all.
+
+        return data