latest pushes

Package/Python/src/bellande_parser.py

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+# Copyright (C) 2024 Bellande Algorithm Model Research Innovation Center, Ronaldson Bellande
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#!/usr/bin/env python3
+
+import re
+from typing import Dict, List, Union, Any
+
+class bellande_format:
+    def parse_bellande(self, file_path: str) -> Dict:
+        with open(file_path, 'r') as file:
+            lines = file.readlines()
+        return self.parse_lines(lines)
+
+    def parse_lines(self, lines: List[str]) -> Dict:
+        result = {}
+        stack = [(-1, result)]
+    
+        for line in lines:
+            stripped = line.strip()
+            if not stripped or stripped.startswith('#'):
+                continue
+        
+            indent = len(line) - len(line.lstrip())
+            while stack and indent <= stack[-1][0]:
+                stack.pop()
+        
+            parent = stack[-1][1]
+        
+            if ':' in stripped:
+                key, value = map(str.strip, stripped.split(':', 1))
+                if value:
+                    parent[key] = self.parse_value(value)
+                else:
+                    new_dict = {}
+                    parent[key] = new_dict
+                    stack.append((indent, new_dict))
+            elif stripped.startswith('-'):
+                value = stripped[1:].strip()
+                
+                if isinstance(parent, list):
+                    parent.append(self.parse_value(value))
+                else:
+                    new_list = [self.parse_value(value)]
+                    last_key = list(parent.keys())[-1]
+                    parent[last_key] = new_list
+                    stack.append((indent, new_list))
+    
+        return result
+
+    def parse_value(self, value: str) -> Union[str, int, float, bool, None]:
+        if value.lower() == 'true':
+            return True
+        elif value.lower() == 'false':
+            return False
+        elif value.lower() == 'null':
+            return None
+        elif value.startswith('"') and value.endswith('"'):
+            return value[1:-1]
+        elif re.match(r'^-?\d+$', value):
+            return int(value)
+        elif re.match(r'^-?\d*\.\d+$', value):
+            return float(value)
+        else:
+            return value
+
+    def write_bellande(self, data: Any, file_path: str):
+        with open(file_path, 'w') as file:
+            file.write(self.to_bellande_string(data))
+
+    def to_bellande_string(self, data: Any, indent: int = 0) -> str:
+        if isinstance(data, dict):
+            lines = []
+            for key, value in data.items():
+                if isinstance(value, (dict, list)):
+                    lines.append(f"{' ' * indent}{key}:")
+                    lines.append(self.to_bellande_string(value, indent + 4))
+                else:
+                    lines.append(f"{' ' * indent}{key}: {self.format_value(value)}")
+            return '\n'.join(lines)
+        elif isinstance(data, list):
+            lines = []
+            for item in data:
+                if isinstance(item, (dict, list)):
+                    lines.append(f"{' ' * indent}-")
+                    lines.append(self.to_bellande_string(item, indent + 4))
+                else:
+                    lines.append(f"{' ' * indent}- {self.format_value(item)}")
+            return '\n'.join(lines)
+        else:
+            return f"{' ' * indent}{self.format_value(data)}"
+
+    def format_value(self, value: Any) -> str:
+        if isinstance(value, str):
+            if ' ' in value or ':' in value:
+                return f'"{value}"'
+            return value
+        elif isinstance(value, bool):
+            return str(value).lower()
+        elif value is None:
+            return 'null'
+        else:
+            return str(value)