156 lines
5.1 KiB
C++
156 lines
5.1 KiB
C++
/*
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* Copyright (C) EdgeTX
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*
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* Based on code named
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* opentx - https://github.com/opentx/opentx
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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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 version 2 as
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* published by the Free Software Foundation.
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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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#ifndef _STRHELPERS_H_
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#define _STRHELPERS_H_
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#include "definitions.h"
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#include "opentx_types.h"
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#include <string>
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#include <string>
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#include <cstring>
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#define SHOW_TIME 0x1
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#define SHOW_TIMER 0x0
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#define SHOW_TIMER_UPPER_CASE 0x2
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#define SHOW_TIMER_HM_FORMAT 0x5
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PACK(typedef struct {
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uint8_t showTime:1;
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uint8_t upperCase:1;
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uint8_t numDigitGroups:3;
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uint8_t hmFormat:1;
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uint8_t reserved:2;
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}) TimerDisplayOptions;
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typedef union {
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uint8_t options;
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TimerDisplayOptions displayOptions;
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} TimerOptions;
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char hex2zchar(uint8_t hex);
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char hex2char(uint8_t hex);
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char zchar2char(int8_t idx);
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char char2lower(char c);
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int8_t char2zchar(char c);
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void str2zchar(char *dest, const char *src, int size);
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int zchar2str(char *dest, const char *src, int size);
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int strnlen(const char *src, int max_size);
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unsigned int effectiveLen(const char * str, unsigned int size);
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char *strAppend(char *dest, const char *source, int len = 0);
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char *strAppendUnsigned(char *dest, uint32_t value, uint8_t digits = 0,
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uint8_t radix = 10);
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char *strAppendSigned(char *dest, int32_t value, uint8_t digits = 0,
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uint8_t radix = 10);
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char *strSetCursor(char *dest, int position);
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char *strAppendDate(char *str, bool time = false);
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char *strAppendFilename(char *dest, const char *filename, const int size);
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std::string formatNumberAsString(int32_t val, LcdFlags flags = 0, uint8_t len = 0, const char * prefix = nullptr, const char * suffix = nullptr);
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#if !defined(BOOT)
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char *getStringAtIndex(char *dest, const char **s, int idx);
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char *strAppendStringWithIndex(char *dest, const char *s, int idx);
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#define LEN_TIMER_STRING 10 // "-00:00:00"
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char *getTimerString(char *dest, int32_t tme, TimerOptions timerOptions = {.options = 0});
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char *getFormattedTimerString(char *dest, int32_t tme, TimerOptions timerOptions);
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char *getCurveString(char *dest, int idx);
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char *getGVarString(char *dest, int idx);
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char *getGVarString(int idx);
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char *getValueOrGVarString(char *dest, size_t len, gvar_t value, gvar_t vmin,
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gvar_t vmax, LcdFlags flags = 0,
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const char *suffix = nullptr, gvar_t offset = 0);
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const char *getSwitchWarnSymbol(uint8_t pos);
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const char *getSwitchPositionSymbol(uint8_t pos);
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char *getSwitchPositionName(char *dest, swsrc_t idx);
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char *getSwitchName(char *dest, swsrc_t idx);
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template<size_t L>
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char* getSourceString(char (&dest)[L], mixsrc_t idx);
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template <size_t L>
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char *getSourceCustomValueString(char (&dest)[L], source_t source, int32_t val,
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LcdFlags flags);
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int getRawSwitchIdx(char sw);
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char getRawSwitchFromIdx(int sw);
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#endif
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char *getFlightModeString(char *dest, int8_t idx);
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char *getSourceString(mixsrc_t idx);
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char *getSourceCustomValueString(source_t source, int32_t val, LcdFlags flags);
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char *getSwitchPositionName(swsrc_t idx);
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char *getCurveString(int idx);
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char *getTimerString(int32_t tme, TimerOptions timerOptions = {.options = 0});
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void splitTimer(char *s0, char *s1, char *s2, char *s3, int tme,
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bool bLowercase = true);
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template<size_t N>
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std::string stringFromNtString(const char (&a)[N]) {
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return std::string(a, strnlen(a, N));
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}
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template<size_t L>
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void copyToUnTerminated(char (&dest)[L], const char* const src) {
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strncpy(dest, src, L);
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}
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template<size_t L>
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void copyToUnTerminated(char (&dest)[L], const std::string& src) {
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strncpy(dest, src.c_str(), L);
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}
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template<typename S>
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void clearStruct(S& s) {
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memset((void*) &s, 0, sizeof(S));
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}
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template <size_t N>
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using offset_t = std::integral_constant<size_t, N>;
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template <size_t DL, size_t SL, size_t O = 0>
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void copyToTerminated(char (&dest)[DL], const char (&src)[SL],
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const offset_t<O> = offset_t<0>{})
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{
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// unfortinately std::min() isn't constexpr in C++11
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// static constexpr size_t len = std::min(DL - O - 1, SL);
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static constexpr size_t dl{DL - O - 1};
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static_assert(dl > 0, "wrong sizes or offset");
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static constexpr size_t len = (dl < SL) ? dl : SL;
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strncpy(&dest[O], &src[0], len);
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static_assert((len + O) < DL, "wrong sizes of offset");
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dest[len + O] = '\0';
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}
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template <size_t L1, size_t L2>
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int strncasecmp(char (&s1)[L1], const char (&s2)[L2])
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{
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static constexpr size_t len = (L1 < L2) ? L1 : L2;
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return strncasecmp(s1, s2, len);
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}
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template <size_t L1>
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int strncasecmp(char (&s1)[L1], const char *const s2)
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{
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return strncasecmp(s1, s2, L1);
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}
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#endif // _STRHELPERS_H_
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