78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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/*
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* Copyright (C) 2019 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
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*/
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#ifndef CONFIGBITSTREAMPARSER_H
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#define CONFIGBITSTREAMPARSER_H
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#include <stdint.h>
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <map>
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class ConfigBitstreamParser {
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public:
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ConfigBitstreamParser(const std::string &filename, int mode = ASCII_MODE,
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bool verbose = false);
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virtual ~ConfigBitstreamParser();
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virtual int parse() = 0;
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const uint8_t *getData() const {return _bit_data.data();}
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int getLength() {return _bit_length;}
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/**
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* \brief return bitstream file name
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*/
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std::string getFilename() const {return _filename;}
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/**
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* \brief display header informations
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*/
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virtual void displayHeader();
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/**
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* \brief get header list of keys/values
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* \return list of couple keys/values
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*/
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std::map<std::string, std::string> getHeader() { return _hdr; }
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/**
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* \brief get value in header list
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* \param[in] key: key value
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* \return associated value for the key
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*/
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std::string getHeaderVal(std::string key);
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enum {
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ASCII_MODE = 0,
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BIN_MODE = std::ifstream::binary
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};
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static uint8_t reverseByte(uint8_t src);
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static uint32_t reverse_32(uint32_t src);
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private:
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/**
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* \brief decompress bitstream in gzip format
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* \param[in] source: raw compressed data
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* \param[out] dest: raw uncompressed data
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* \return false if openFPGALoader is build without zlib or
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* if uncompress fails
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*/
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bool decompress_bitstream(std::string source, std::string *dest);
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protected:
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std::string _filename;
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int _bit_length;
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int _file_size;
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bool _verbose;
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std::vector<uint8_t> _bit_data;
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std::string _raw_data; /**< unprocessed file content */
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std::map<std::string, std::string> _hdr;
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};
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#endif
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