feat: add missing validators

CHANGELOG.md

@@ -13,12 +13,19 @@ All notable changes to this project will be documented in this file.
   * Fix `RFC3987_SYNTAX_TERMS` correctly containing "ipath_rootless" (via [#41])
   * Fix `RFC3987_SYNTAX_TERMS` correctly containing "ipath_empty" (via [#41])
   * Fix `ucschar` range (via [#45])
+* Added
+  * Function `is_valid_syntax_scheme` (via [#48])
+  * Function `is_valid_syntax_non_zero` (via [#48])
+  * Function `is_valid_syntax_pct_encoded` (via [#48])
 * Performance
   * Public symbols use lazy loading (via [#43])
+* Tests
+  * Add grammar regression tests (via [#48])
 
 [#41]: https://github.com/jkowalleck/rfc3987-syntax2/pull/41
 [#43]: https://github.com/jkowalleck/rfc3987-syntax2/pull/43
 [#45]: https://github.com/jkowalleck/rfc3987-syntax2/pull/45
+[#48]: https://github.com/jkowalleck/rfc3987-syntax2/pull/48
 
 ## v1.2.0 - 2026-07-16
 

src/rfc3987_syntax2/syntax_helpers.py

@@ -22,9 +22,10 @@
     "is_valid_syntax_iri",
     "is_valid_syntax_iri_reference",
     "is_valid_syntax_absolute_iri",
+    "is_valid_syntax_scheme",
+    "is_valid_syntax_ihier_part",
     "is_valid_syntax_irelative_ref",
     "is_valid_syntax_irelative_part",
-    "is_valid_syntax_ihier_part",
     "is_valid_syntax_iauthority",
     "is_valid_syntax_iuserinfo",
     "is_valid_syntax_ihost",
@@ -52,11 +53,13 @@
     "is_valid_syntax_ls32",
     "is_valid_syntax_ipv4address",
     "is_valid_syntax_dec_octet",
+    "is_valid_syntax_digit",
+    "is_valid_syntax_non_zero",
     "is_valid_syntax_unreserved",
     "is_valid_syntax_alpha",
-    "is_valid_syntax_digit",
     "is_valid_syntax_hexdig",
     "is_valid_syntax_port",
+    "is_valid_syntax_pct_encoded",
 ]
 
 
@@ -173,12 +176,14 @@ def _get_syntax_parser() -> Lark:
 
 is_valid_syntax_absolute_iri = make_syntax_validator("absolute_iri")
 
+is_valid_syntax_scheme = make_syntax_validator("scheme")
+
+is_valid_syntax_ihier_part = make_syntax_validator("ihier_part")
+
 is_valid_syntax_irelative_ref = make_syntax_validator("irelative_ref")
 
 is_valid_syntax_irelative_part = make_syntax_validator("irelative_part")
 
-is_valid_syntax_ihier_part = make_syntax_validator("ihier_part")
-
 is_valid_syntax_iauthority = make_syntax_validator("iauthority")
 
 is_valid_syntax_iuserinfo = make_syntax_validator("iuserinfo")
@@ -233,16 +238,20 @@ def _get_syntax_parser() -> Lark:
 
 is_valid_syntax_dec_octet = make_syntax_validator("dec_octet")
 
+is_valid_syntax_digit = make_syntax_validator("digit")
+
+is_valid_syntax_non_zero = make_syntax_validator("non_zero")
+
 is_valid_syntax_unreserved = make_syntax_validator("unreserved")
 
 is_valid_syntax_alpha = make_syntax_validator("alpha")
 
-is_valid_syntax_digit = make_syntax_validator("digit")
-
 is_valid_syntax_hexdig = make_syntax_validator("hexdig")
 
 is_valid_syntax_port = make_syntax_validator("port")
 
+is_valid_syntax_pct_encoded = make_syntax_validator("pct_encoded")
+
 # region lazy loaded attrs
 
 if TYPE_CHECKING:  # types for lazy-loaded symbols

tests/_data/.editorconfig

@@ -0,0 +1,10 @@
+# Compatibility: EditorConfig has no ASCII charset setting.
+# Keep these JSON fixtures ASCII-only and represent non-ASCII code points
+# with JSON Unicode escapes.
+
+[*.json]
+charset = latin1
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+end_of_line = lf

tests/_data/.gitattributes

@@ -0,0 +1,2 @@
+# Compatibility: keep fixture JSON files opaque to Git's text handling.
+*.json binary