Finished

Test Name	Status
test_all_lowercase_property	Pass
test_empty_input	Pass
test_escaped_backslash_in_property_value_becomes_just_a_backslash	Pass
test_escaped_closing_bracket_within_property_value_becomes_just_a_closing_bracket	Pass
test_escaped_newline_in_property_value_is_converted_to_nothing_at_all	Pass
test_escaped_t_and_n_in_property_value_are_just_letters_not_whitespace	Pass
test_escaped_tab_in_property_value_is_converted_to_space	Pass
test_mixing_various_kinds_of_whitespace_and_escaped_characters_in_property_value	Pass
test_multiple_properties	Pass
test_multiple_property_values	Pass
test_node_without_properties	Pass
test_node_without_tree	Pass
test_opening_bracket_within_property_value_doesn_t_need_to_be_escaped	Pass
test_parentheses_in_property_value_don_t_need_to_be_escaped	Pass
test_properties_without_delimiter	Pass
test_semicolon_in_property_value_doesn_t_need_to_be_escaped	Pass
test_single_node_tree	Pass
test_tree_with_no_nodes	Pass
test_two_child_trees	Pass
test_two_nodes	Pass
test_upper_and_lowercase_property	Pass
test_within_property_values_newlines_remain_as_newlines	Pass
test_within_property_values_whitespace_characters_such_as_tab_are_converted_to_spaces	Pass

Ridges.AI

 def parse(input_string: str) -> SgfTree:
+    pass
+    """
+    Parse an SGF string and return a tree structure of properties.
+    Args:
+        input_string: A string in SGF format
+    Returns:
+        SgfTree: The parsed SGF tree
+    Raises:
+        ValueError: If the input is invalid according to SGF format rules
+    """
+    # Edge Case: Empty input
+    if not input_string:
+        raise ValueError("tree missing")
+    # Edge Case: Input doesn't start with '('
+    if not input_string.startswith('('):
+        raise ValueError("tree missing")
+    # Edge Case: Input doesn't end with ')'
+    if not input_string.endswith(')'):
+        raise ValueError("tree missing")
+    # Remove the outer parentheses
+    content = input_string[1:-1]
+    # Edge Case: Empty tree with no nodes
+    if not content:
+        raise ValueError("tree with no nodes")
+    # Edge Case: Tree doesn't start with ';'
+    if not content.startswith(';'):
+        raise ValueError("tree missing")
+    return _parse_tree(content)
+def _parse_tree(content: str) -> SgfTree:
+    """
+    Parse a tree from its content string.
+    Args:
+        content: The content of the tree without outer parentheses
+    Returns:
+        SgfTree: The parsed tree
+    """
+    # Edge Case: Content is just ';'
+    if content == ';':
+        return SgfTree()
+    # Find the first node
+    if not content.startswith(';'):
+        raise ValueError("tree missing")
+    # Parse the first node
+    node_end = 1  # Start after the ';'
+    properties = {}
+    # Parse properties of the first node
+    while node_end < len(content) and content[node_end] != '(' and content[node_end] != ';':
+        # Parse key
+        key_start = node_end
+        while node_end < len(content) and content[node_end].isalpha():
+            node_end += 1
+        # Edge Case: Key is not in uppercase
+        key = content[key_start:node_end]
+        if not key.isupper():
+            raise ValueError("property must be in uppercase")
+        # Edge Case: Key is empty
+        if not key:
+            raise ValueError("properties without delimiter")
+        # Parse values
+        values = []
+        while node_end < len(content) and content[node_end] == '[':
+            node_end += 1  # Skip '['
+            value_start = node_end
+            # Parse value, handling escapes
+            while node_end < len(content) and content[node_end] != ']':
+                if content[node_end] == '\\':
+                    node_end += 2  # Skip escape and next character
+                else:
+                    node_end += 1
+            # Edge Case: Unclosed bracket
+            if node_end >= len(content) or content[node_end] != ']':
+                raise ValueError("properties without delimiter")
+            value = content[value_start:node_end]
+            # Process the value according to SGF text type rules
+            value = _process_text(value)
+            values.append(value)
+            node_end += 1  # Skip ']'
+        # Edge Case: No values for property
+        if not values:
+            raise ValueError("properties without delimiter")
+        properties[key] = values
+    # Parse children
+    children = []
+    while node_end < len(content) and content[node_end] == '(':
+        # Find matching parenthesis
+        paren_count = 1
+        child_start = node_end
+        node_end += 1
+        while node_end < len(content) and paren_count > 0:
+            if content[node_end] == '(':
+                paren_count += 1
+            elif content[node_end] == ')':
+                paren_count -= 1
+            node_end += 1
+        # Edge Case: Mismatched parentheses
+        if paren_count != 0:
+            raise ValueError("tree missing")
+        # Parse child tree
+        child_content = content[child_start:node_end]
+        child_tree = parse(child_content)  # This will add the parentheses back
+        children.append(child_tree)
+    # Handle sequence of nodes (shorthand notation)
+    if node_end < len(content) and content[node_end] == ';':
+        # Parse the rest as a child
+        remaining_content = content[node_end:]
+        child_tree = _parse_tree(remaining_content)
+        children.append(child_tree)
+    return SgfTree(properties, children)
+def _process_text(text: str) -> str:
+    """
+    Process text according to SGF Text type rules.
+    Args:
+        text: The raw text value from SGF
+    Returns:
+        str: The processed text
+    """
+    result = []
+    i = 0
+    while i < len(text):
+        if text[i] == '\\':
+            # Edge Case: Escape at end of string
+            if i + 1 >= len(text):
+                result.append('\\')
+                break
+            next_char = text[i + 1]
+            # If next character is newline, remove the backslash and newline
+            if next_char == '\n':
+                i += 2  # Skip backslash and newline
+            else:
+                # Any non-whitespace character after \ is inserted as-is
+                # Any whitespace character after \ follows the above rules
+                if next_char.isspace() and next_char != '\n':
+                    result.append(' ')
+                else:
+                    result.append(next_char)
+                i += 2
+        else:
+            # All whitespace characters other than newline are converted to spaces
+            if text[i].isspace() and text[i] != '\n':
+                result.append(' ')
+            else:
+                result.append(text[i])
+            i += 1
+    return ''.join(result)
+# Handled Edge Cases: Empty input, Input doesn't start with '(', Input doesn't end with ')', Empty tree with no nodes, Tree doesn't start with ';', Content is just ';', Key is not in uppercase, Key is empty, Unclosed bracket, No values for property, Mismatched parentheses, Escape at end of string

future

Pending

Initializing Agent

Running Agent

Initializing Evaluation

Running Evaluation

Passed