mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-27 00:09:36 -05:00
263 lines
6.3 KiB
C++
263 lines
6.3 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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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 "string_format.hpp"
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static char* to_string_dec_uint_internal(
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char* p,
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uint32_t n
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) {
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*p = 0;
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auto q = p;
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do {
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const uint32_t d = n % 10;
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const char c = d + 48;
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*(--q) = c;
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n /= 10;
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} while( n != 0 );
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return q;
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}
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static char* to_string_dec_uint_pad_internal(
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char* const term,
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const uint32_t n,
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const int32_t l,
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const char fill
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) {
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auto q = to_string_dec_uint_internal(term, n);
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if( fill ) {
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while( (term - q) < l ) {
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*(--q) = fill;
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}
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}
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return q;
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}
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std::string to_string_bin(
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const uint32_t n,
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const uint8_t l)
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{
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char p[33];
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for (uint8_t c = 0; c < l; c++) {
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if (n & (1 << (l - 1 - c)))
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p[c] = '1';
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else
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p[c] = '0';
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}
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p[l] = 0;
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return p;
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}
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std::string to_string_dec_uint(
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const uint32_t n,
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const int32_t l,
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const char fill
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) {
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char p[16];
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auto term = p + sizeof(p) - 1;
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auto q = to_string_dec_uint_pad_internal(term, n, l, fill);
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// Right justify.
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while( (term - q) < l ) {
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*(--q) = ' ';
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}
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return q;
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}
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std::string to_string_dec_int(
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const int32_t n,
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const int32_t l,
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const char fill
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) {
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const size_t negative = (n < 0) ? 1 : 0;
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uint32_t n_abs = negative ? -n : n;
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char p[16];
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auto term = p + sizeof(p) - 1;
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auto q = to_string_dec_uint_pad_internal(term, n_abs, l - negative, fill);
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// Add sign.
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if( negative ) {
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*(--q) = '-';
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}
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// Right justify.
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while( (term - q) < l ) {
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*(--q) = ' ';
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}
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return q;
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}
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std::string to_string_decimal(float decimal, int8_t precision) {
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double integer_part;
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double fractional_part;
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std::string result;
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fractional_part = modf(decimal, &integer_part) * pow(10, precision);
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if (fractional_part < 0) {
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fractional_part = -fractional_part;
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}
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result = to_string_dec_int(integer_part) + "." + to_string_dec_uint(fractional_part, precision, '0');
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return result;
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}
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std::string to_string_freq(const uint64_t f) {
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auto final_str = to_string_dec_int(f / 1000000,4) + to_string_dec_int(f % 1000000, 6, '0');
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return final_str;
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}
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std::string to_string_short_freq(const uint64_t f) {
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auto final_str = to_string_dec_int(f / 1000000,4) + "." + to_string_dec_int((f / 100) % 10000, 4, '0');
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return final_str;
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}
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std::string to_string_time_ms(const uint32_t ms) {
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std::string final_str { "" };
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if (ms < 1000) {
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final_str = to_string_dec_uint(ms) + "ms";
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} else {
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auto seconds = ms / 1000;
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if (seconds >= 60)
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final_str = to_string_dec_uint(seconds / 60) + "m";
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return final_str + to_string_dec_uint(seconds % 60) + "s";
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}
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return final_str;
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}
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static void to_string_hex_internal(char* p, const uint64_t n, const int32_t l) {
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const uint32_t d = n & 0xf;
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p[l] = (d > 9) ? (d + 55) : (d + 48);
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if( l > 0 ) {
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to_string_hex_internal(p, n >> 4, l - 1);
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}
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}
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std::string to_string_hex(const uint64_t n, int32_t l) {
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char p[32];
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l = std::min(l, 31L);
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to_string_hex_internal(p, n, l - 1);
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p[l] = 0;
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return p;
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}
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std::string to_string_hex_array(uint8_t * const array, const int32_t l) {
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std::string str_return = "";
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uint8_t bytes;
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for (bytes = 0; bytes < l; bytes++)
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str_return += to_string_hex(array[bytes], 2);
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return str_return;
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}
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std::string to_string_datetime(const rtc::RTC& value, const TimeFormat format) {
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std::string string { "" };
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if (format == YMDHMS) {
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string += to_string_dec_uint(value.year(), 4) + "-" +
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to_string_dec_uint(value.month(), 2, '0') + "-" +
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to_string_dec_uint(value.day(), 2, '0') + " ";
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}
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string += to_string_dec_uint(value.hour(), 2, '0') + ":" +
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to_string_dec_uint(value.minute(), 2, '0');
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if ((format == YMDHMS) || (format == HMS))
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string += ":" + to_string_dec_uint(value.second(), 2, '0');
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return string;
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}
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std::string to_string_timestamp(const rtc::RTC& value) {
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return to_string_dec_uint(value.year(), 4, '0') +
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to_string_dec_uint(value.month(), 2, '0') +
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to_string_dec_uint(value.day(), 2, '0') +
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to_string_dec_uint(value.hour(), 2, '0') +
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to_string_dec_uint(value.minute(), 2, '0') +
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to_string_dec_uint(value.second(), 2, '0');
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}
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std::string to_string_FAT_timestamp(const FATTimestamp& timestamp) {
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return to_string_dec_uint((timestamp.FAT_date >> 9) + 1980) + "-" +
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to_string_dec_uint((timestamp.FAT_date >> 5) & 0xF, 2, '0') + "-" +
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to_string_dec_uint((timestamp.FAT_date & 0x1F), 2, '0') + " " +
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to_string_dec_uint((timestamp.FAT_time >> 11), 2, '0') + ":" +
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to_string_dec_uint((timestamp.FAT_time >> 5) & 0x3F, 2, '0');
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}
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std::string unit_auto_scale(double n, const uint32_t base_nano, uint32_t precision) {
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const uint32_t powers_of_ten[5] = { 1, 10, 100, 1000, 10000 };
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std::string string { "" };
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uint32_t prefix_index = base_nano;
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double integer_part;
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double fractional_part;
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precision = std::min((uint32_t)4, precision);
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while (n > 1000) {
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n /= 1000.0;
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prefix_index++;
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}
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fractional_part = modf(n, &integer_part) * powers_of_ten[precision];
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if (fractional_part < 0)
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fractional_part = -fractional_part;
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string = to_string_dec_int(integer_part);
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if (precision)
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string += '.' + to_string_dec_uint(fractional_part, precision);
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if (prefix_index != 3)
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string += unit_prefix[prefix_index];
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return string;
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}
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double get_decimals(double num, int16_t mult, bool round) {
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num -= int(num); //keep decimals only
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num *= mult; //Shift decimals into integers
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if (!round) return num;
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int16_t intnum = int(num); //Round it up if necessary
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num -= intnum; //Get decimal part
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if (num > .5) intnum++; //Round up
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return intnum;
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}
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std::string trimr(std::string str)
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{
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size_t last = str.find_last_not_of(' ');
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return (last!=std::string::npos) ? str.substr(0, last+1) : ""; // Remove the trailing spaces
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} |