59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
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#include "irda-app-file-parser.hpp"
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std::unique_ptr<IrdaAppFileParser::IrdaFileMessage> IrdaAppFileParser::read_message(File* file) {
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while(1) {
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auto str = getline(file);
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if(str.empty()) return nullptr;
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auto message = parse_message(str);
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if(message) return message;
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}
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}
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std::unique_ptr<IrdaAppFileParser::IrdaFileMessage>
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IrdaAppFileParser::parse_message(const std::string& str) const {
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char protocol_name[32];
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uint32_t address;
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uint32_t command;
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auto irda_file_message = std::make_unique<IrdaFileMessage>();
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int parsed = std::sscanf(
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str.c_str(),
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"%31s %31s A:%lX C:%lX",
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irda_file_message->name,
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protocol_name,
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&address,
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&command);
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if(parsed != 4) {
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return nullptr;
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}
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IrdaProtocol protocol = irda_get_protocol_by_name(protocol_name);
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if(!irda_is_protocol_valid((IrdaProtocol)protocol)) {
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return nullptr;
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}
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int address_length = irda_get_protocol_address_length(protocol);
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uint32_t address_mask = (1LU << (4 * address_length)) - 1;
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if(address != (address & address_mask)) {
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return nullptr;
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}
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int command_length = irda_get_protocol_command_length(protocol);
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uint32_t command_mask = (1LU << (4 * command_length)) - 1;
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if(command != (command & command_mask)) {
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return nullptr;
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}
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irda_file_message->message = {
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.protocol = protocol,
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.address = address,
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.command = command,
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.repeat = false,
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};
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return irda_file_message;
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}
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