gecko-dev/dom/bluetooth/bluedroid/BluetoothMapBMessage.cpp

418 строки
10 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=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/. */
#include "BluetoothMapBMessage.h"
#include "base/basictypes.h"
#include "plstr.h"
BEGIN_BLUETOOTH_NAMESPACE
namespace {
static const char kMapCrlf[] = "\r\n";
}
BluetoothMapBMessage::BluetoothMapBMessage(uint8_t* aObexBody, int aLength)
: mReadStatus(false)
, mPartId(0)
, mState(BMSG_PARSING_STATE_INVALID)
, mUnwindState(BMSG_PARSING_STATE_INVALID)
, mEnvelopeLevel(0)
{
const nsCString body = nsCString(reinterpret_cast<const char*>(aObexBody),
aLength);
ProcessDecode(body.get());
}
BluetoothMapBMessage::~BluetoothMapBMessage()
{}
/**
* Read one line by one line.
*
* @param aNextLineStart [in][out] On input, aNextLineStart is the start of
* the current line. On output, aNextLineStart is the start of the next
* line.
* @param aLine [out] The next line read.
*/
static int
ReadLine(const char* & aNextLineStart, nsACString& aLine)
{
aLine.Truncate();
for (;;) {
const char* eol = PL_strpbrk(aNextLineStart, kMapCrlf);
if (!eol) { // Reached end of file before newline
eol = aNextLineStart + strlen(aNextLineStart);
}
aLine.Append(aNextLineStart, eol - aNextLineStart);
if (*eol == '\r') {
++eol;
}
if (*eol == '\n') {
++eol;
}
aNextLineStart = eol;
if (*eol != ' ') {
// not a continuation
return 0;
}
}
}
static bool
ExtractParameter(const nsAutoCString& aCurrLine,
const char* aPattern, nsACString& aParam)
{
aParam.Truncate();
if (aCurrLine.Find(aPattern, false, 0, PL_strlen(aPattern)) == kNotFound) {
return false;
}
int32_t colonPos = aCurrLine.FindChar(':');
aParam = nsDependentCSubstring(aCurrLine, colonPos + 1, aCurrLine.Length());
return true;
}
/*
* |ProcessDecode| parses bMessage based on following MAP 3.1.3 Message Format.
* The state transition follows by BMsgParserState.
* BNF:
* <bmessage-object>::= {
* "BEGIN:BMSG" <CRLF>
* <bmessage-property>
* [<bmessage-originator>]*
* <bmessage-envelope>
* "END:BMSG" <CRLF>
* }
*
* <bmessage-envelope> ::= {
* "BEGIN:BENV" <CRLF>
* [<bmessage-recipient>]*
* <bmessage-envelope> | <bmessage-content>
* "END:BENV" <CRLF>
* }
*
* The state transition follows:
* BEGIN_BMSG->VERSION->STATUS->TYPE->FOLDER->ORIGINATOR->VCARD->ENVELOPE->
* VCARD->RECIPIENT->BODY->BMSG
*/
void
BluetoothMapBMessage::ProcessDecode(const char* aBuf)
{
mState = BMSG_PARSING_STATE_BEGIN_BMSG;
static void (BluetoothMapBMessage::* const ParserActions[])(const
nsAutoCString&) = {
nullptr, /* BMSG_PARSING_STATE_INVALID */
&BluetoothMapBMessage::ParseBeginBmsg,
&BluetoothMapBMessage::ParseVersion,
&BluetoothMapBMessage::ParseStatus,
&BluetoothMapBMessage::ParseType,
&BluetoothMapBMessage::ParseFolder,
&BluetoothMapBMessage::ParseOriginator,
&BluetoothMapBMessage::ParseVCard,
&BluetoothMapBMessage::ParseEnvelope,
&BluetoothMapBMessage::ParseRecipient,
&BluetoothMapBMessage::ParseBody,
&BluetoothMapBMessage::ParseBMsg
};
for (;;) {
nsAutoCString curLine;
if (ReadLine(aBuf, curLine) == -1) {
// Cannot find eol symbol
return;
}
if (curLine.IsEmpty()) {
// Blank line or eof, exit
return;
}
MOZ_ASSERT(mState != BMSG_PARSING_STATE_INVALID);
// Parse bMessage
(this->*(ParserActions[mState]))(curLine);
}
}
void
BluetoothMapBMessage::ParseBeginBmsg(const nsAutoCString& aCurrLine)
{
if (aCurrLine.EqualsLiteral("BEGIN:BMSG")) {
mState = BMSG_PARSING_STATE_VERSION;
}
}
void
BluetoothMapBMessage::ParseVersion(const nsAutoCString& aCurrLine)
{
nsCString version;
if (ExtractParameter(aCurrLine, "VERSION:", version)) {
/* The value for this property shall be "VERSION:1.0",
* based on Message Access Profile 3.1.3.
*/
if (version.EqualsLiteral("1.0")) {
mState = BMSG_PARSING_STATE_STATUS;
}
}
}
void
BluetoothMapBMessage::ParseStatus(const nsAutoCString& aCurrLine)
{
nsCString status;
if (ExtractParameter(aCurrLine, "STATUS:", status)) {
// only READ or UNREAD status
mReadStatus = status.EqualsLiteral("READ");
mState = BMSG_PARSING_STATE_TYPE;
}
}
void
BluetoothMapBMessage::ParseType(const nsAutoCString& aCurrLine)
{
nsCString type;
if (ExtractParameter(aCurrLine, "TYPE:", type)) {
mType = type;
mState = BMSG_PARSING_STATE_FOLDER;
}
}
void
BluetoothMapBMessage::ParseFolder(const nsAutoCString& aCurrLine)
{
nsCString folder;
if (ExtractParameter(aCurrLine, "FOLDER:", folder)) {
mFolderName = folder;
}
mState = BMSG_PARSING_STATE_ORIGINATOR;
}
void
BluetoothMapBMessage::ParseOriginator(const nsAutoCString& aCurrLine)
{
if (aCurrLine.EqualsLiteral("BEGIN:VCARD")) {
mOriginators.AppendElement(new VCard());
// We may parse vCard multiple times
mUnwindState = mState;
mState = BMSG_PARSING_STATE_VCARD;
} else if (aCurrLine.EqualsLiteral("BEGIN:BENV")) {
mState = BMSG_PARSING_STATE_BEGIN_ENVELOPE;
}
}
void
BluetoothMapBMessage::ParseVCard(const nsAutoCString& aCurrLine)
{
if (aCurrLine.EqualsLiteral("END:VCARD")) {
mState = mUnwindState;
return;
}
if (mUnwindState == BMSG_PARSING_STATE_ORIGINATOR &&
!mOriginators.IsEmpty()) {
mOriginators.LastElement()->Parse(aCurrLine);
} else if (mUnwindState == BMSG_PARSING_STATE_RECIPIENT &&
!mRecipients.IsEmpty()) {
mRecipients.LastElement()->Parse(aCurrLine);
}
}
void
BluetoothMapBMessage::ParseEnvelope(const nsAutoCString& aCurrLine)
{
if(!aCurrLine.EqualsLiteral("BEGIN:VCARD") &&
!aCurrLine.EqualsLiteral("BEGIN:BENV")) {
mState = BMSG_PARSING_STATE_BEGIN_BODY;
return;
}
if (aCurrLine.EqualsLiteral("BEGIN:BENV")) {
// nested BENV
// TODO: Check nested BENV envelope level for Email use case
++mEnvelopeLevel;
}
mRecipients.AppendElement(new VCard());
mState = BMSG_PARSING_STATE_VCARD;
// In case there are many recipients
mUnwindState = BMSG_PARSING_STATE_RECIPIENT;
}
void
BluetoothMapBMessage::ParseRecipient(const nsAutoCString& aCurrLine)
{
/* After parsing vCard, check whether it's bMessage BODY or VCARD.
* bmessage-recipient may appear more than once.
*/
if (aCurrLine.EqualsLiteral("BEGIN:BBODY")) {
mState = BMSG_PARSING_STATE_BEGIN_BODY;
} else if (aCurrLine.EqualsLiteral("BEGIN:VCARD")) {
mState = BMSG_PARSING_STATE_VCARD;
}
}
/* |ParseBody| parses based on the following BNF format:
* <bmessage-body-property>::=[<bmessage-body-encoding-property>]
* [<bmessage-body-charset-property>]
* [<bmessage-body-language-property>]
* <bmessage-body-content-length-property>
*
* <bmessage-content>::= {
* "BEGIN:BBODY"<CRLF>
* [<bmessage-body-part-ID> <CRLF>]
* <bmessage-body-property>
* <bmessage-body-content>* <CRLF>
* "END:BBODY"<CRLF>
* }
*/
void
BluetoothMapBMessage::ParseBody(const nsAutoCString& aCurrLine)
{
nsCString param;
if (ExtractParameter(aCurrLine, "PARTID::", param)) {
nsresult rv;
mPartId = param.ToInteger(&rv);
if (NS_FAILED(rv)) {
BT_LOGR("Failed to convert PARTID, error: 0x%x",
static_cast<uint32_t>(rv));
}
} else if (ExtractParameter(aCurrLine, "ENCODING:", param)) {
mEncoding = param;
} else if (ExtractParameter(aCurrLine, "CHARSET:", param)) {
mCharset = param;
} else if (ExtractParameter(aCurrLine, "LANGUAGE:", param)) {
mLanguage = param;
} else if (ExtractParameter(aCurrLine, "LENGTH:", param)) {
mBMsgLength = param;
} else if (aCurrLine.EqualsLiteral("BEGIN:MSG")) {
// Parse <bmessage-body-content>
mState = BMSG_PARSING_STATE_BEGIN_MSG;
}
}
/* |ParseBMsg| parses based on the following BNF format:
* <bmessage-body-content>::={
* "BEGIN:MSG"<CRLF>
* 'message'<CRLF>
* "END:MSG"<CRLF>
* }
*/
void
BluetoothMapBMessage::ParseBMsg(const nsAutoCString& aCurrLine)
{
/* TODO: Support binary message content
* For SMS: currently only UTF-8 is supported for textual content.
*/
if (aCurrLine.EqualsLiteral("END:MSG") ||
aCurrLine.EqualsLiteral("BEGIN:MSG")) {
/* Set state to STATE_BEGIN_MSG due to <bmessage-body-content> may appear
* many times.
*/
mState = BMSG_PARSING_STATE_BEGIN_MSG;
return;
}
mBMsgBody += aCurrLine.get();
// restore <CRLF>
mBMsgBody.AppendLiteral(kMapCrlf);
}
void
BluetoothMapBMessage::GetRecipients(nsTArray<RefPtr<VCard>>& aRecipients)
{
aRecipients = mRecipients;
}
void
BluetoothMapBMessage::GetOriginators(nsTArray<RefPtr<VCard>>& aOriginators)
{
aOriginators = mOriginators;
}
void
BluetoothMapBMessage::GetBody(nsACString& aBody)
{
aBody = mBMsgBody;
}
void
BluetoothMapBMessage::Dump()
{
BT_LOGR("Dump: message body %s", mBMsgBody.get());
BT_LOGR("Dump: read status %s", mReadStatus? "true" : "false");
BT_LOGR("Dump: folder %s", mFolderName.get());
BT_LOGR("Dump encoding %s", mEncoding.get());
BT_LOGR("Dump charset: %s" , mCharset.get());
BT_LOGR("Dump language: %s", mLanguage.get());
BT_LOGR("Dump length: %s", mBMsgLength.get());
BT_LOGR("Dump type: %s ", mType.get());
}
VCard::VCard()
{}
VCard::~VCard()
{}
void
VCard::Parse(const nsAutoCString& aCurrLine)
{
nsCString param;
if (ExtractParameter(aCurrLine, "N:", param)) {
mName = param;
} else if (ExtractParameter(aCurrLine, "FN:", param)) {
mFormattedName = param;
} else if (ExtractParameter(aCurrLine, "TEL:", param)) {
mTelephone = param;
} else if (ExtractParameter(aCurrLine, "Email:", param)) {
mEmail = param;
}
}
void
VCard::GetTelephone(nsACString& aTelephone)
{
aTelephone = mTelephone;
}
void
VCard::GetName(nsACString& aName)
{
aName = mName;
}
void
VCard::GetFormattedName(nsACString& aFormattedName)
{
aFormattedName = mFormattedName;
}
void
VCard::GetEmail(nsACString& aEmail)
{
aEmail = mEmail;
}
void
VCard::Dump()
{
BT_LOGR("Dump: Name %s", mName.get());
BT_LOGR("Dump: FormattedName %s", mFormattedName.get());
BT_LOGR("Dump: Telephone %s", mTelephone.get());
BT_LOGR("Dump: Email %s", mEmail.get());
}
END_BLUETOOTH_NAMESPACE