example.cc


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#include "istream/stream.h"
#include "util/base64.h"
#include "util/query.h"

#include <string>
#include <iostream>

std::string get(const std::string& path, std::size_t offset, std::size_t length) {
	dictzip::Istream stream(path.c_str());

	std::string result;
	result.resize(length);

	stream.seekg(offset);
	stream.read(result.data(), length);

	return result;
}

int main() {
	// Get location of _Accession_
	const std::string line = dictzip::get_line_starting_with("gcide.index", "Accession");

	// Decode location of _Accession_
	//     `gcide.index[1089]: "Accession	8Aw	Wt"
	const std::size_t offset = dictzip::base64_decode(dictzip::get_encoded_offset(line));
	const std::size_t length = dictzip::base64_decode(dictzip::get_encoded_length(line));

	// Print the GCIDE definition of _Accession_
	std::cout << get("gcide.dict.dz", offset, length) << std::endl;
}