feat: initial application release

src/obsidian_metadata/models/patterns.py

@@ -0,0 +1,41 @@
+"""Regexes for parsing frontmatter and note content."""
+
+import re
+from dataclasses import dataclass
+from typing import Pattern
+
+
+@dataclass
+class Patterns:
+    """Regex patterns for parsing frontmatter and note content."""
+
+    find_inline_tags: Pattern[str] = re.compile(
+        r"""
+        (?:^|[ \|_,;:\*\(\)\[\]\\\.])     # Before tag is start of line or separator
+        \#([^ \|,;:\*\(\)\[\]\\\.\n#&]+)  # Match tag until separator or end of line
+        """,
+        re.MULTILINE | re.X,
+    )
+
+    frontmatt_block_with_separators: Pattern[str] = re.compile(
+        r"^\s*(?P<frontmatter>---.*?---)", flags=re.DOTALL
+    )
+    frontmatt_block_no_separators: Pattern[str] = re.compile(
+        r"^\s*---(?P<frontmatter>.*?)---", flags=re.DOTALL
+    )
+    # This pattern will return a tuple of 4 values, two will be empty and will need to be stripped before processing further
+    find_inline_metadata: Pattern[str] = re.compile(
+        r"""                                    # First look for in-text key values
+        (?:^\[| \[)                             # Find key with starting bracket
+        ([-_\w\d\/\*\u263a-\U0001f645]+?)::[ ]?                  # Find key
+        (.*?)\]                                 # Find value until closing bracket
+        |                                       # Else look for key values at start of line
+        (?:^|[^ \w\d]+| \[)                     # Any non-word or non-digit character
+        ([-_\w\d\/\*\u263a-\U0001f645]+?)::(?!\n)(?:[ ](?!\n))?  # Capture the key if not a new line
+        (.*?)$                                  # Capture the value
+        """,
+        re.X | re.MULTILINE,
+    )
+
+    validate_tag_text: Pattern[str] = re.compile(r"[ \|,;:\*\(\)\[\]\\\.\n#&]")
+    validate_key_text: Pattern[str] = re.compile(r"[^-_\w\d\/\*\u263a-\U0001f645]")