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//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#include "vmime/address.hpp"
#include "vmime/mailbox.hpp"
#include "vmime/mailboxGroup.hpp"
#include "vmime/parserHelpers.hpp"
namespace vmime {
address::address() {
}
/*
RFC #2822:
3.4. ADDRESS SPECIFICATION
Addresses occur in several message header fields to indicate senders
and recipients of messages. An address may either be an individual
mailbox, or a group of mailboxes.
address = mailbox / group
mailbox = name-addr / addr-spec
name-addr = [display-name] angle-addr
angle-addr = [CFWS] "<" addr-spec ">" [CFWS] / obs-angle-addr
group = display-name ":" [mailbox-list / CFWS] ";"
[CFWS]
display-name = phrase
mailbox-list = (mailbox *("," mailbox)) / obs-mbox-list
address-list = (address *("," address)) / obs-addr-list
*/
shared_ptr <address> address::parseNext(
const parsingContext& ctx,
const string& buffer,
const size_t position,
const size_t end,
size_t* newPosition,
bool *isLastAddressOfGroup
) {
bool escaped = false;
bool quoted = false;
bool quotedRFC2047 = false;
bool inRouteAddr = false;
bool isGroup = false;
bool stop = false;
int commentLevel = 0;
if (isLastAddressOfGroup) {
*isLastAddressOfGroup = false;
}
size_t pos = position;
while (pos < end && parserHelpers::isSpace(buffer[pos])) {
++pos;
}
const size_t start = pos;
while (!stop && pos < end) {
if (escaped) {
escaped = false;
} else {
switch (buffer[pos]) {
case '\\':
escaped = true;
break;
case '"':
quoted = !quoted;
break;
case '<':
inRouteAddr = true;
break;
case '>':
inRouteAddr = false;
break;
case '(':
++commentLevel;
break;
case ')':
if (commentLevel > 0) {
--commentLevel;
}
break;
case '=':
if (commentLevel == 0 && !quoted && !quotedRFC2047 && pos + 1 < end && buffer[pos + 1] == '?') {
++pos;
quotedRFC2047 = true;
}
break;
case '?':
if (commentLevel == 0 && quotedRFC2047 && pos + 1 < end && buffer[pos + 1] == '=') {
++pos;
quotedRFC2047 = false;
}
break;
default:
{
if (commentLevel == 0 && !quoted && !quotedRFC2047 && !inRouteAddr) {
switch (buffer[pos]) {
case ';':
if (isGroup) {
if (pos + 1 < end && buffer[pos + 1] == ',') {
++pos;
}
}
if (isLastAddressOfGroup) {
*isLastAddressOfGroup = true;
}
stop = true;
break;
case ':':
isGroup = true;
break;
case ',':
if (!isGroup) {
stop = true;
}
break;
}
}
break;
}
}
}
if (!stop) {
++pos;
}
}
if (newPosition) {
if (pos == end) {
*newPosition = end;
} else {
*newPosition = pos + 1; // ',' or ';'
}
}
// Parse extracted address (mailbox or group)
if (pos != start) {
shared_ptr <address> parsedAddress;
if (isGroup) {
parsedAddress = make_shared <mailboxGroup>();
} else {
parsedAddress = make_shared <mailbox>();
}
parsedAddress->parse(ctx, buffer, start, pos, NULL);
parsedAddress->setParsedBounds(start, pos);
return parsedAddress;
}
return null;
}
} // vmime
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