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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MimeHeaderParser_h__
#define MimeHeaderParser_h__
#include "nsCOMArray.h"
#include "nsStringGlue.h"
#include "nsTArray.h"
class msgIAddressObject;
namespace mozilla {
namespace mailnews {
/**
* This is used to signal that the input header value has already been decoded
* according to RFC 2047 and is in UTF-16 form.
*/
nsCOMArray<msgIAddressObject> DecodedHeader(const nsAString &aHeader);
/**
* This is used to signal that the input header value needs to be decoded
* according to RFC 2047. The charset parameter indicates the charset to assume
* that non-ASCII data is in; if the value is null (the default), then the
* charset is assumed to be UTF-8.
*/
nsCOMArray<msgIAddressObject> EncodedHeader(const nsACString &aHeader,
const char *aCharset = nullptr);
namespace detail {
void DoConversion(const nsTArray<nsString> &aUTF16, nsTArray<nsCString> &aUTF8);
};
/**
* This is a class designed for use as temporaries so that methods can pass
* an nsTArray<nsCString> into methods that expect nsTArray<nsString> for out
* parameters (this does not work for in-parameters).
*
* It works by internally providing an nsTArray<nsString> which it uses for its
* external API operations. If the user requests an array of nsCString elements
* instead, it converts the UTF-16 array to a UTF-8 array on destruction.
*/
template <uint32_t N = 5>
class UTF16ArrayAdapter
{
public:
UTF16ArrayAdapter(nsTArray<nsCString> &aUTF8Array)
: mUTF8Array(aUTF8Array) {}
~UTF16ArrayAdapter() { detail::DoConversion(mUTF16Array, mUTF8Array); }
operator nsTArray<nsString>&() { return mUTF16Array; }
private:
nsTArray<nsCString> &mUTF8Array;
AutoTArray<nsString, N> mUTF16Array;
};
/**
* Given a name and an email, both encoded in UTF-8, produce a string suitable
* for writing in an email header by quoting where necessary.
*
* If name is not empty, the output string will be name <email>. If it is empty,
* the output string is just the email. Note that this DOES NOT do any RFC 2047
* encoding.
*/
void MakeMimeAddress(const nsACString &aName, const nsACString &aEmail,
nsACString &full);
/**
* Given a name and an email, produce a string suitable for writing in an email
* header by quoting where necessary.
*
* If name is not empty, the output string will be name <email>. If it is empty,
* the output string is just the email. Note that this DOES NOT do any RFC 2047
* encoding.
*/
void MakeMimeAddress(const nsAString &aName, const nsAString &aEmail,
nsAString &full);
/**
* Given a name and an email, both encoded in UTF-8, produce a string suitable
* for displaying in UI.
*
* If name is not empty, the output string will be name <email>. If it is empty,
* the output string is just the email.
*/
void MakeDisplayAddress(const nsAString &aName, const nsAString &aEmail,
nsAString &full);
/**
* Returns a copy of the input which may have had some addresses removed.
* Addresses are removed if they are already in either of the supplied
* address lists.
*
* Addresses are considered to be the same if they contain the same email
* address parts, ignoring case. Display names or comments are not compared.
*
* @param aHeader The addresses to remove duplicates from.
* @param aOtherEmails Other addresses that the duplicate removal process also
* checks for duplicates against. Addresses in this list
* will not be added to the result.
* @return The original header with duplicate addresses removed.
*/
void RemoveDuplicateAddresses(const nsACString &aHeader,
const nsACString &aOtherEmails,
nsACString &result);
/**
* Given a message header, extract all names and email addresses found in that
* header into the two arrays.
*/
void ExtractAllAddresses(const nsCOMArray<msgIAddressObject> &aHeader,
nsTArray<nsString> &names, nsTArray<nsString> &emails);
/**
* Given a raw message header value, extract display names for every address
* found in the header.
*/
void ExtractDisplayAddresses(const nsCOMArray<msgIAddressObject> &aHeader,
nsTArray<nsString> &addresses);
/**
* Given a raw message header value, extract all the email addresses into an
* array.
*
* Duplicate email addresses are not removed from the output list.
*/
void ExtractEmails(const nsCOMArray<msgIAddressObject> &aHeader,
nsTArray<nsString> &emails);
/**
* Given a raw message header value, extract the first name/email address found
* in the header. This is essentially equivalent to grabbing the first entry of
* ExtractAllAddresses.
*/
void ExtractFirstAddress(const nsCOMArray<msgIAddressObject> &aHeader,
nsACString &name, nsACString &email);
/**
* Given an RFC 2047-decoded message header value, extract the first name/email
* address found in the header. This is essentially equivalent to grabbing the
* first entry of ExtractAllAddresses.
*/
void ExtractFirstAddress(const nsCOMArray<msgIAddressObject> &aHeader,
nsAString &name, nsACString &email);
/**
* Given a raw message header value, extract the first email address found in
* the header.
*/
void ExtractEmail(const nsCOMArray<msgIAddressObject> &aHeader,
nsACString &email);
/**
* Given a raw message header value, extract and clean up the first display
* name found in the header. If there is no display name, the email address is
* used instead.
*/
void ExtractName(const nsCOMArray<msgIAddressObject> &aHeader,
nsACString &name);
/**
* Given an RFC 2047-decoded message header value, extract the first display
* name found in the header. If there is no display name, the email address is
* returned instead.
*/
void ExtractName(const nsCOMArray<msgIAddressObject> &aDecodedHeader,
nsAString &name);
} // namespace mailnews
} // namespace mozilla
#endif
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