#!/usr/bin/env python3
"""HTML validator for BlackRoad OS"""
import re
import sys
def validate_html(filename):
errors = []
warnings = []
with open(filename, 'r') as f:
content = f.read()
# Check basic structure
if not content.strip().startswith(''):
errors.append("Missing DOCTYPE declaration")
if '' not in content:
errors.append("Missing html tags")
if '' not in content or '' not in content:
errors.append("Missing head tags")
if '' not in content or '' not in content:
errors.append("Missing body tags")
# Check for unclosed tags
script_opens = content.count('')
if script_opens != script_closes:
errors.append(f"Mismatched script tags: {script_opens} opens, {script_closes} closes")
div_opens = content.count('')
if div_opens != div_closes:
errors.append(f"Mismatched div tags: {div_opens} opens, {div_closes} closes")
# Check for syntax errors in JavaScript
if '', content, re.DOTALL)
if script_match:
js_code = script_match.group(1)
# Basic JS validation
if 'function' in js_code and 'let' in js_code:
print("✓ JavaScript code found and appears valid")
# Check CSS
if '')
if style_opens != style_closes:
errors.append(f"Mismatched style tags: {style_opens} opens, {style_closes} closes")
else:
print(f"✓ Found {style_opens} style block(s)")
# Report results
print(f"\n{'='*60}")
print(f"HTML Validation Results for: {filename}")
print(f"{'='*60}")
print(f"File size: {len(content)} bytes")
print(f"Lines: {content.count(chr(10))}")
print(f"Divs: {div_opens} opens, {div_closes} closes")
print(f"Scripts: {script_opens} opens, {script_closes} closes")
if errors:
print(f"\n❌ ERRORS FOUND ({len(errors)}):")
for i, error in enumerate(errors, 1):
print(f" {i}. {error}")
else:
print("\n✓ No structural errors found")
if warnings:
print(f"\n⚠ WARNINGS ({len(warnings)}):")
for i, warning in enumerate(warnings, 1):
print(f" {i}. {warning}")
return len(errors) == 0
if __name__ == '__main__':
filename = sys.argv[1] if len(sys.argv) > 1 else 'index.html'
valid = validate_html(filename)
sys.exit(0 if valid else 1)