mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-24 23:09:26 -05:00
117 lines
3.0 KiB
C++
117 lines
3.0 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "freqman.hpp"
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bool load_freqman_file(std::vector<freqman_entry> &frequencies) {
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File freqs_file;
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size_t end, n = 0;
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char * file_buffer;
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char * desc_pos;
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char desc_buffer[32] = { 0 };
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std::string description;
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rf::Frequency value;
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file_buffer = (char *)chHeapAlloc(0, 2048);
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while (freqs_file.open("freqman.txt").is_valid()) {
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auto result = freqs_file.create("freqman.txt");
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if (result.is_valid()) {
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return false;
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}
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}
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freqs_file.read(file_buffer, 2048);
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char * pos = file_buffer;
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while ((pos = strstr(pos, "f=")) && n < 32) {
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pos += 2;
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value = strtol(pos, nullptr, 10);
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desc_pos = strstr(pos, "d=");
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if (desc_pos) {
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desc_pos += 2;
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end = strcspn(desc_pos, ",\x0D\x0A"); // CR LF
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if (end > 31) end = 31;
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memcpy(desc_buffer, desc_pos, end);
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desc_buffer[end] = (char)0;
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description = desc_buffer;
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pos = desc_pos;
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} else {
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description = "-";
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}
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frequencies.push_back({ value, "", description });
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}
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chHeapFree(file_buffer);
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return true;
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}
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bool save_freqman_file(std::vector<freqman_entry> &frequencies) {
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File freqs_file;
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size_t n;
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std::string item_string;
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if (!create_freqman_file(freqs_file)) return false;
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for (n = 0; n < frequencies.size(); n++) {
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item_string = "f=" + to_string_dec_uint(frequencies[n].value);
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if (frequencies[n].description.size())
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item_string += ",d=" + frequencies[n].description;
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freqs_file.write_line(item_string);
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}
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return true;
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}
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bool create_freqman_file(File &freqs_file) {
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auto result = freqs_file.create("freqman.txt");
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if (result.is_valid()) return false;
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return true;
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}
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std::string freqman_item_string(freqman_entry &entry) {
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std::string item_string, frequency_str, description;
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char temp_buffer[32];
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rf::Frequency value;
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value = entry.value;
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entry.frequency_str = to_string_dec_int(value / 1000000, 4) + "." +
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to_string_dec_int((value / 100) % 10000, 4, '0');
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if (entry.description.size() <= 19) {
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item_string = entry.frequency_str + ":" + entry.description;
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} else {
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memcpy(temp_buffer, entry.description.c_str(), 16);
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temp_buffer[16] = (char)0;
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item_string = entry.frequency_str + ":" + temp_buffer + "...";
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}
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return item_string;
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}
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