2022-10-26 19:33:19 +03:00

81 lines
2.2 KiB
C++
Executable File

// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "ParserRaw.h"
#include "debug.h"
USE_DEBUG_FLAG(D_WAAP_PARSER_RAW);
const std::string ParserRaw::m_parserName = "ParserRaw";
ParserRaw::ParserRaw(IParserStreamReceiver &receiver, const std::string &key)
:m_receiver(receiver), m_key(key), m_state(s_start) {
}
ParserRaw::~ParserRaw() {
}
size_t ParserRaw::push(const char *buf, size_t len) {
dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): (len=" << (unsigned long int)len << ")";
if (len == 0) {
dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): end of data signal! m_state=" << m_state;
// flush unescaped data collected (if any)
if (m_state != s_start) { // only emit if at least something was pushed
if (m_receiver.onKvDone() != 0) {
m_state = s_error;
}
}
return 0;
}
switch (m_state) {
case s_start:
dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): s_start";
if (m_receiver.onKey(m_key.data(), m_key.size()) != 0) {
m_state = s_error;
return 0;
}
m_state = s_forward;
// fallthrough //
CP_FALL_THROUGH;
case s_forward:
dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): s_forward";
if (m_receiver.onValue(buf, len) != 0) {
m_state = s_error;
}
break;
case s_error:
dbgTrace(D_WAAP_PARSER_RAW) << "ParserRaw::push(): s_error";
return 0;
}
return len;
}
void ParserRaw::finish() {
push(NULL, 0);
}
const std::string &
ParserRaw::name() const {
return m_parserName;
}
bool ParserRaw::error() const {
return m_state == s_error;
}