1 files changed, 58 insertions, 0 deletions
diff --git a/tools/interface_generator/bin/interface_declaration.py b/tools/interface_generator/bin/interface_declaration.py
new file mode 100644
index 0000000..4560bbd
--- /dev/null
+++ b/tools/interface_generator/bin/interface_declaration.py
@@ -0,0 +1,58 @@
+"""
+interface_declaration.py
+"""
+
+from dataclasses import dataclass, asdict
+from pathlib import Path
+
+
+@dataclass
+class InterfaceDeclaration:
+    """interface declaration class"""
+
+    name: str
+    license_hdr: str
+    system_includes: list[str]
+    types: list[dict]
+    functions: list[dict]
+
+    def read_license(self, path: Path):
+        """read and starrify a license"""
+        if path is None:
+            self.license_hdr = ""
+            return
+
+        with open(path, encoding="utf-8") as license_file:
+            self.license_hdr = "".join(
+                [
+                    f" *  { line.rstrip().ljust(72)[:72] }  * \n"
+                    for line in license_file.readlines()
+                ]
+            ).rstrip()
+
+    def __init__(self, name: str, license_path: Path):
+        self.name = name if name is not None else "kstdio"
+        self.read_license(license_path)
+        self.system_includes = ["stdarg.h"]
+        self.types = [
+            {
+                "name": "File",
+                "members": [
+                    "int fd",
+                    "int (*putc)(const struct kstdio_File*, const char)",
+                    "int (*puts)(const struct kstdio_File*, const char*)",
+                ],
+            },
+        ]
+        self.functions = [
+            {
+                "name": "printf",
+                "return": "int",
+                "arguments": ["const char* format"],
+                "argument_names": ["format"],
+            },
+        ]
+
+    def into_dict(self) -> dict:
+        """create a dictionary for use in mako"""
+        return asdict(self)