Module vi::processor

The core of the engine, where all the transformation algorithms lives.

The idea is both the telex & vni modules will use the transformation algorithms from this module to perform text transformation according to their method rules.

Enums

• LetterModification
  A modification to be apply to a letter
• ToneMark
  Vietnamese’s tone mark
• Transformation
  A resulted transformation

Functions

• add_tone
  Add tone mark to input. Return AddToneResult
• add_tone_char
  Add tone mark to input character. Return a new char with the tone mark.
• modify_letter
  change a letter to vietnamese modified letter. Return if the letter has been modified or not and what’s the output.
• remove_tone
  Remove the tone for the letter
• reposition_letter_modification
  Re-position existing letter modification to a valid position
• reposition_tone_mark
  Re-position existing tone mark to a valid position