Braille Translator - Jerry Hou

python/translator.py

@@ -1 +1,157 @@
+# translator.py
+# Name: Jerry Hou
 
+import sys
+
+# Letter braille mapping
+BRAILLE_LETTERS = {
+    'a': 'O.....',
+    'b': 'O.O...',
+    'c': 'OO....',
+    'd': 'OO.O..',
+    'e': 'O..O..',
+    'f': 'OOO...',
+    'g': 'OOOO..',
+    'h': 'O.OO..',
+    'i': '.OO...',
+    'j': '.OOO..',
+    'k': 'O...O.',
+    'l': 'O.O.O.',
+    'm': 'OO..O.',
+    'n': 'OO.OO.',
+    'o': 'O..OO.',
+    'p': 'OOO.O.',
+    'q': 'OOOOO.',
+    'r': 'O.OOO.',
+    's': '.OO.O.',
+    't': '.OOOO.',
+    'u': 'O...OO',
+    'v': 'O.O.OO',
+    'w': '.OOO.O',
+    'x': 'OO..OO',
+    'y': 'OO.OOO',
+    'z': 'O..OOO',
+    ' ': '......'
+}
+
+# Numbers braille mapping
+BRAILLE_NUMBERS = {
+    '1': BRAILLE_LETTERS['a'],
+    '2': BRAILLE_LETTERS['b'],
+    '3': BRAILLE_LETTERS['c'],
+    '4': BRAILLE_LETTERS['d'],
+    '5': BRAILLE_LETTERS['e'],
+    '6': BRAILLE_LETTERS['f'],
+    '7': BRAILLE_LETTERS['g'],
+    '8': BRAILLE_LETTERS['h'],
+    '9': BRAILLE_LETTERS['i'],
+    '0': BRAILLE_LETTERS['j']
+}
+
+# Special indicators
+CAPITAL_INDICATOR = '.....O'  
+NUMBER_INDICATOR = '.O.OOO'   
+
+# Reverse mappings for translation from Braille to English
+ENGLISH_LETTERS = {v : k for k, v in BRAILLE_LETTERS.items()}
+ENGLISH_NUMBERS = {v : k for k, v in BRAILLE_NUMBERS.items()}
+
+def is_braille(input_str):
+    """
+    Determine if the input string is Braille.
+    """
+    if all (c in ('O', '.') for c in input_str) and len(input_str) % 6 == 0:
+        return True
+    else:
+        return False
+
+def english_to_braille(text):
+    """
+    Translate English text to Braille.
+    """
+    braille = ''
+    number_mode = False
+
+    for char in text:
+        if char.isupper():
+            # Add capital indicator
+            braille += CAPITAL_INDICATOR
+            # Map the lowercase letter
+            braille_char = BRAILLE_LETTERS.get(char.lower(), '......')
+            braille += braille_char
+            number_mode = False
+        elif char.isdigit():
+            if not number_mode:
+                # Add number indicator
+                braille += NUMBER_INDICATOR
+                number_mode = True
+            # Map the digit to Braille
+            braille_char = BRAILLE_NUMBERS.get(char, '......')
+            braille += braille_char
+        elif char == ' ':
+            # Space resets number mode
+            braille += BRAILLE_LETTERS[' ']
+            number_mode = False
+        else:
+            braille_char = BRAILLE_LETTERS.get(char, '......')
+            braille += braille_char
+            number_mode = False
+
+    return braille
+
+def braille_to_english(braille):
+    """
+    Translate Braille to English text.
+    """
+    english = ''
+    chars = [braille[i:i+6] for i in range(0, len(braille), 6)]
+    i = 0
+    number_mode = False
+
+    while i < len(chars):
+        chunk = chars[i]
+
+        if chunk == CAPITAL_INDICATOR:
+            # Next character should be capitalized
+            i += 1
+            if i < len(chars):
+                next_chunk = chars[i]
+                letter = ENGLISH_LETTERS.get(next_chunk, '')
+                english += letter.upper() if letter else ''
+        elif chunk == NUMBER_INDICATOR:
+            # Enter number mode
+            number_mode = True
+        else:
+            if number_mode:
+                # Check if chunk corresponds to a number
+                if chunk in ENGLISH_NUMBERS:
+                    english += ENGLISH_NUMBERS[chunk]
+                elif chunk == BRAILLE_LETTERS[' ']:
+                    # Exit number mode if chunk is a space
+                    number_mode = False
+                    letter = ENGLISH_LETTERS.get(chunk, ' ')
+                    english += letter
+            else:
+                # Regular letter
+                letter = ENGLISH_LETTERS.get(chunk, ' ')
+                english += letter
+        i += 1
+
+    return english
+
+def main():
+    if len(sys.argv) < 2:
+        sys.exit(1)
+
+    # Join all arguments to handle multi-word inputs
+    input_str = ' '.join(sys.argv[1:])
+
+    if is_braille(input_str):
+        output = braille_to_english(input_str)
+    else:
+        output = english_to_braille(input_str)
+
+    print(output)
+
+if __name__ == "__main__":
+    main()