SVGHMI: add static file serving feature.
Added two buttons to add and remove files.
Files are stored in project inside a directory named "static",
itself located in svghmi CTN instance files. Exemple :
exemples/svghmi_csv_json_img_table/svghmi_0@svghmi/static/
Files are transfered as "extra_files", but with a prefix
added to their name to avoid conflics.
#ifndef BLOB_HPP
#define BLOB_HPP
#include <string>
#include <filesystem>
#include "md5.hpp"
class Blob
{
public:
Blob(uint8_t *seedData, size_t seedLength);
~Blob();
MD5::digest_t digest();
uint32_t appendChunk(uint8_t *data, size_t length);
uint32_t asFile(std::filesystem::path &filename);
private:
MD5 md5;
std::FILE * m_file;
std::filesystem::path m_filename;
};
#endif // BLOB_HPP