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deb-goldedplus/goldlib/gall/gstrmail.cpp

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2000-02-25 10:15:17 +00:00
// This may look like C code, but it is really -*- C++ -*-
// ------------------------------------------------------------------
// The Goldware Library
// Copyright (C) 1990-1999 Odinn Sorensen
// ------------------------------------------------------------------
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this program; if not, write to the Free
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
// MA 02111-1307, USA
// ------------------------------------------------------------------
// $Id$
// ------------------------------------------------------------------
// RFC822 related character/string classes and functions.
// ------------------------------------------------------------------
#include <gstrall.h>
#include <gstrmail.h>
// ------------------------------------------------------------------
mail_ctype mail_ctype_global;
// ------------------------------------------------------------------
mail_ctype::mail_ctype() {
memset(table, mail_char|mail_ctl, 32*sizeof(uint));
memset(table+32, mail_char, 96*sizeof(uint));
memset(table+'A', mail_char|mail_alpha, ('Z'-'A'+1)*sizeof(uint));
memset(table+'a', mail_char|mail_alpha, ('z'-'a'+1)*sizeof(uint));
memset(table+128, 0, 128*sizeof(uint));
table[127] |= mail_ctl;
table[0] |= mail_delimiters;
table[' '] |= mail_delimiters | mail_lwsp;
table[HT] |= mail_delimiters | mail_lwsp;
table['('] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table[')'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['<'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['>'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['@'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table[','] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table[';'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table[':'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['\\'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['\"'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['['] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table[']'] |= mail_delimiters | mail_special | mime_tspecial | mime_especial;
table['.'] |= mail_delimiters | mail_special | mime_especial;
table['/'] |= mime_tspecial | mime_especial;
table['?'] |= mime_tspecial | mime_especial;
table['='] |= mime_tspecial | mime_especial;
}
// ------------------------------------------------------------------
const char* strskip_lwsp(const char* p) {
while(is_mail_lwsp(*p))
p++;
return p;
}
// ------------------------------------------------------------------
const char* strskip_mail_quote(const char* p) {
if(*p == '\"')
p++;
while(*p and (*p != '\"')) {
if(*p == '\\')
p++;
p++;
}
if(*p == '\"')
p++;
return p;
}
// ------------------------------------------------------------------
const char* strskip_delimiters(const char* p) {
while(is_mail_delimiters(*p))
p++;
return p;
}
// ------------------------------------------------------------------
char* strtrim_lwsp(char* p) {
char* p0 = p;
p += strlen(p) - 1;
while(is_mail_lwsp(*p)) {
if(p == p0)
break;
p--;
}
return p;
}
// ------------------------------------------------------------------
char* strmail_quote(char* ot, const char* it) {
char* o = ot;
const char* i = it;
if(*o == '\"')
o++;
while(*i) {
if(is_mail_special(*i))
*o++ = '\\';
*o++ = *i++;
}
if(*ot == '\"')
*o++ = '\"';
*o = NUL;
return ot;
}
// ------------------------------------------------------------------
char* strmail_unquote(char* ot, const char* it) {
char* o = ot;
const char* i = it;
bool was_quoted = false;
if(*i == '\"') {
was_quoted = true;
i++;
}
while(*i) {
if(*i == '\\')
i++;
*o++ = *i++;
}
if(was_quoted)
o--;
*o = NUL;
return ot;
}
// ------------------------------------------------------------------
int is_mail_lwsp(const char* s) {
while(is_mail_lwsp(*s))
s++;
return *s == NUL;
}
// ------------------------------------------------------------------