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- %%{
- machine content_disposition;
-
- # https://tools.ietf.org/html/rfc2045#section-5.1
-
- ccontent = ctext | FWS | '(' @{ fcall balanced_ccontent; };
- balanced_ccontent := ccontent* ')' @{ fret; };
- comment = "(" (FWS? ccontent)* FWS? ")";
- CFWS = ((FWS? comment)+ FWS?) | FWS;
- qcontent = qtextSMTP | quoted_pairSMTP | textUTF8;
- quoted_string = CFWS?
- (DQUOTE
- (((FWS? qcontent)* FWS?) >Quoted_Str_Start %Quoted_Str_End)
- DQUOTE) CFWS?;
- token = 0x21..0x27 | 0x2a..0x2b | 0x2c..0x2e | 0x30..0x39 | 0x41..0x5a | 0x5e..0x7e;
- value = (quoted_string | (token -- ('"' | 0x3d | utf8_2c | utf8_3c | utf8_4c))+) >Param_Value_Start %Param_Value_End;
- attribute = (quoted_string | (token -- ('"' | '='))+) >Param_Name_Start %Param_Name_End;
- parameter = CFWS? attribute FWS? "=" FWS? value CFWS?;
-
- ietf_token = token+;
- custom_x_token = /x/i "-" token+;
- extension_token = ietf_token | custom_x_token;
- disposition_type = /inline/i %Disposition_Inline | /attachment/i %Disposition_Attachment
- | extension_token >Disposition_Start %Disposition_End;
- disposition_parm = parameter;
- content_disposition = disposition_type (";" disposition_parm)*;
-
- prepush {
- if (top >= st_storage.size) {
- st_storage.size = (top + 1) * 2;
- st_storage.data = realloc (st_storage.data, st_storage.size * sizeof (int));
- g_assert (st_storage.data != NULL);
- stack = st_storage.data;
- }
- }
- }%%
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