[−][src]Module mail_internals::grammar
This module contains a number of helper functions for writing parsers.
Ironically they are also needed when writing mail encoders/generators e.g. for checking if a part need special encoding.
Modules
| encoded_word | Grammar parts for encoded words (based on RFC 2047). |
Functions
| is_any_whitespace | any whitespace (char::is_whitespace) |
| is_ascii | True if |
| is_ascii_vchar | True if |
| is_atext | atext as defined by RFC 5322 |
| is_ctext | ctext as defined by RFC 5322 |
| is_ctl | Chack if it is a CTL char (based on RFC 822). |
| is_dtext | dtext as defined by RFC 5322 |
| is_especial | Check if a char is especial (based on RFC ...). |
| is_ftext | ftext as defined by RFC 5322 |
| is_qtext | qtext as defined by RFC 5322 |
| is_quotable | can be quoted in a quoted string (internalized) based on RFC ... and RFC ... |
| is_quoted_string | True if the given string is a quoted string. |
| is_space | True if |
| is_special | check if a char is a especial (based on RFC 5322) |
| is_token | Check if a string is an token (based on RFC ...). |
| is_token_char | Check if a char is an token char (based on RFC 2045). |
| is_tspecial | check if a char is an tspecial (based on RFC 2045) |
| is_vchar | VCHAR as defined by RFC 5243 |
| is_ws | WS as defined by RFC 5234 |