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90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// Copyright (C) 2022 Check Point Software Technologies Ltd. All rights reserved.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <iostream>
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#include <string.h>
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#include "ParserBase.h"
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#include "KeyStack.h"
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#include <stack>
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class PHPSerializedDataParser : public ParserBase {
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public:
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PHPSerializedDataParser(IParserStreamReceiver &outReceiver, size_t parser_depth);
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size_t push(const char* buf, size_t len);
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void finish();
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virtual const std::string &name() const;
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bool error() const;
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virtual size_t depth() { return m_keyStack.depth(); }
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private:
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bool onCheckLength ();
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size_t handleValue (const char &c);
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bool handleStateAfterFinish (const std::string &type);
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void onStateValue (); // this function must never be called when the m_stack is empty
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void onStateKey ();
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void onEmptyStack (std::string type);
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bool onDataEnd (char termChar, bool checkEndBlock);
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bool m_error = false;
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enum type_state
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{
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s_start_class,
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s_class_onValue,
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s_object_string_calc,
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s_start_object,
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s_start_array,
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s_null,
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s_start_string,
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s_string_calc,
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s_string_onValue,
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s_string_escape,
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s_string_escape_x_1,
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s_string_escape_x_2,
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s_integer_onValue,
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s_boolean_OnValue,
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s_ref_onValue
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};
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enum phase_state {
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s_start,
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s_data_end,
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s_class_data_end,
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s_colon,
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s_length,
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s_value,
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s_prim_colon
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};
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enum key_value_state {
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s_clear_kv,
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s_onKey,
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s_onValue
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};
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struct State {
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enum phase_state phase_state = s_start;
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enum type_state type_state;
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enum key_value_state kv_state = s_clear_kv;
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size_t length = 0;
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size_t current_length = 0;
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bool isObject = false;
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bool isClass = false;
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};
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State m_state;
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std::string m_value;
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std::string m_key;
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std::string m_length;
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IParserStreamReceiver &m_outReceiver;
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KeyStack m_keyStack;
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std::stack <State> m_stack;
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size_t m_parser_depth;
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static const std::string m_parserName;
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};
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