Merge branch 'feature/add-math-functions'

Author: 2shady4u

.gitignore

@@ -64,3 +64,7 @@ vsproj/x86/
 vsproj/gdsqlite.vcxproj.*
 
 .vscode
+
+# Python generated
+__pycache__/
+*.pyc

README.md

@@ -346,16 +346,22 @@ Follow the steps described in the Godot documentation as found [here](https://do
 ldd --version
 ```
 
-### 5. Does this plugin support the FTS5 Extension?
+### 5. Does this plugin support the XYZ Extension of SQLite?
 
-Yes, the [SQLite FTS5 Extension](https://sqlite.org/fts5.html) is supported by this plugin, although it requires the user to re-compile the plugin.
+Following SQLite extensions are supported by this plugin, although they require the user to re-compile the plugin:
 
-To re-compile the plugin with FTS5 enabled, follow the instructions as defined in the 'How to contribute?'-section below.  
+| Extension                                                                    | flag                  | default |
+|------------------------------------------------------------------------------|-----------------------|---------|
+| [SQLite FTS5 Extension](https://sqlite.org/fts5.html)                        | enable_fts5           | no      |
+| [Built-In Mathematical SQL Functions](https://sqlite.org/lang_mathfunc.html) | enable_math_functions | no      |
+
+To re-compile the plugin with XYZ enabled, follow the instructions as defined in the 'How to contribute?'-section below.  
 Depending on your choice, following modifications have to be made:
 
 #### A. Using your own device
 
-Add the `enable_fts5`-flag to the compilation command:
+Add the relevant flag(s), as defined in table above, to the compilation command.  
+For example, if you want to enable the FTS5 Extension, use following command:
 
 ```
 scons platform=<platform> target_path=<target_path> target_name=libgdsqlite enable_fts5=yes

SConstruct

@@ -1,12 +1,32 @@
 #!/usr/bin/env python
+from misc.utility.classes import CompileTimeOption
+
+options: list = [
+    CompileTimeOption(
+        key="enable_fts5",
+        name="FTS5",
+        help="Enable SQLite's FTS5 extension which provides full-test search functionality to database applications",
+        define="SQLITE_ENABLE_FTS5",
+        default=False,
+    ),
+    CompileTimeOption(
+        key="enable_math_functions",
+        name="MATH_FUNCTIONS",
+        help="Enable SQLite's Built-in Mathematical SQL Functions",
+        define="SQLITE_ENABLE_MATH_FUNCTIONS",
+        default=False,
+    ),
+]
 
 target_path = ARGUMENTS.pop("target_path", "demo/addons/godot-sqlite/bin/")
 target_name = ARGUMENTS.pop("target_name", "libgdsqlite")
+parsed_options = {x.key: ARGUMENTS.pop(x.key, x.default) for x in options}
 
 env = SConscript("godot-cpp/SConstruct")
 
 env_vars = Variables()
-env_vars.Add(BoolVariable("enable_fts5", "Enable SQLite's FTS5 extension which provides full-test search functionality to database applications", False))
+option: CompileTimeOption
+[env_vars.Add(BoolVariable(x.key, x.help, False)) for x in options]
 env_vars.Update(env)
 Help(env_vars.GenerateHelpText(env))
 
@@ -24,17 +44,19 @@ target = "{}{}".format(
 
 # tweak this if you want to use different folders, or more folders, to store your source code in.
 env.Append(CPPPATH=["src/"])
-sources = [Glob('src/*.cpp'), Glob('src/vfs/*.cpp'), 'src/sqlite/sqlite3.c']
+sources = [Glob("src/*.cpp"), Glob("src/vfs/*.cpp"), "src/sqlite/sqlite3.c"]
 
 if env["target"] in ["editor", "template_debug"]:
     doc_data = env.GodotCPPDocData("src/gen/doc_data.gen.cpp", source=Glob("doc_classes/*.xml"))
     sources.append(doc_data)
 
-if env["enable_fts5"]:
-    print("FTS5 is enabled.")
-    env.Append(CPPDEFINES=['SQLITE_ENABLE_FTS5'])
-else:
-    print("FTS5 is disabled.")
+option: CompileTimeOption
+for option in options:
+    if parsed_options[option.key]:
+        print(f"{option.name} is enabled.")
+        env.Append(CPPDEFINES=[option.define])
+    else:
+        print(f"{option.name} is disabled.")
 
 if env["platform"] == "macos":
     library = env.SharedLibrary(

misc/utility/classes.py

@@ -0,0 +1,9 @@
+from dataclasses import dataclass
+
+@dataclass
+class CompileTimeOption:
+    key: str
+    name: str
+    default: bool
+    help: str
+    define: str