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No commits in common. "master" and "feature/ArduinoJson7" have entirely different histories.
master
...
feature/Ar
@ -12,7 +12,7 @@
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"type": "git",
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"url": "https://git.xpablo.cz/xPablo.cz/sysvars.git"
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},
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"version": "1.0.0",
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"version": "0.0.3",
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"license": "MIT",
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"frameworks": "arduino",
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"platforms": ["espressif8266", "espressif32"],
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@ -1,5 +1,5 @@
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name=sysvars
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version=1.0.0
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version=0.0.2
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author=Pavel Brychta
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maintainer=Pavel Brychta <pablo@xpablo.cz>
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sentence=Key-Value JSON file storage library.
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@ -2,13 +2,13 @@
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#ifndef USEDFS
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# if defined(ESP32)
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# ifdef USE_LITTLEFS
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//# if ESP_IDF_VERSION_MAJOR < 4
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//# include <LITTLEFS.h>
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//# define USEDFS LITTLEFS
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//# else
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# if ESP_IDF_VERSION_MAJOR < 4
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# include <LITTLEFS.h>
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# define USEDFS LITTLEFS
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# else
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# include <LittleFS.h>
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# define USEDFS LittleFS
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//# endif
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# endif
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# else
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# include <SPIFFS.h>
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# define USEDFS SPIFFS
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155
src/sysvars.cpp
155
src/sysvars.cpp
@ -1,155 +0,0 @@
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/** Sysvars library
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* Copyright (c) 2018-2024 Pavel Brychta, pablo@xpablo.cz
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*
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* Key-value store/load library with JSON file using internal filesystem
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**/
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#include "definefs.hpp"
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#include "sysvars.hpp"
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#include <ArduinoJson.h>
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#include <FS.h>
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#include <trace.h>
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#ifndef DEBUG_SYSVARS
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# define DEBUG_SYSVARS 0
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#endif
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template <typename T>
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T svGetV(const String & name, const T deflt)
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{
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T rv = deflt;
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File f = USEDFS.open(F(SYSVAR_FILE), "r");
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if (f) {
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JsonDocument doc;
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const DeserializationError err = deserializeJson(doc, f);
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if (err) {
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TRACEPLUS(DEBUG_SYSVARS, TRACE_ERROR, "SV: Deserialize error '%s'", err.c_str()); // wrong JSON file (malformed)
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} else {
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if (!doc[name].is<JsonVariant>()) { // key not found
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TRACEPLUS(DEBUG_SYSVARS, TRACE_ERROR, "SV: Key '%s' not found", name.c_str());
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} else {
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rv = doc[name].as<T>();
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}
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}
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} else {
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TRACEPLUS(DEBUG_SYSVARS, TRACE_ERROR, "SV: File not found");
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}
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return rv;
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}
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template <typename T>
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T svGetVFile(const String & name, const String & fname, const T deflt)
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{
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T rv = deflt;
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File f = USEDFS.open(fname, "r");
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if (f) {
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JsonDocument doc;
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const DeserializationError err = deserializeJson(doc, f);
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if (err) {
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TRACEPLUS(DEBUG_SYSVARS, TRACE_ERROR, "SV: Deserialize error '%s'", err.c_str()); // wrong JSON file (malformed)
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} else {
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if (!doc[name].is<JsonVariant>()) {
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TRACEPLUS(DEBUG_SYSVARS, TRACE_ERROR, "SV: Key '%s' not found", name.c_str());
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} else {
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rv = doc[name].as<T>();
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}
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}
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} else {
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TRACEPLUS(DEBUG_SYSVARS, TRACE_ERROR, "SV: File not found '%s'", fname.c_str());
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}
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return rv;
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}
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/**
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* @brief Store value for the key
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*
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* @param[in] name Key name
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* @param[in] value New value
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*
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* @tparam T Type of the value
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*
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* @return Result (SV_...)
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*/
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template <typename T>
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int svSetV(const String & name, T value)
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{
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int res;
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JsonDocument doc;
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File f = USEDFS.open(F(SYSVAR_FILE), "r");
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if (f) {
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const DeserializationError err = deserializeJson(doc, f);
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if (err) {
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res = SV_DESERIALIZE_ERROR; // wrong (malformed) JSON file
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}
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f.close();
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}
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doc[name] = value;
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f = USEDFS.open(SYSVAR_FILE, "w");
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if (f) {
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serializeJson(doc, f);
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res = SV_OK;
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} else {
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res = SV_FILE_WRITE_ERROR;
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}
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return res;
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}
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/**
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* @brief Store value for the key
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*
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* @param[in] name Key name
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* @param[in] value New value
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* @param[in] fname JSON file name
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*
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* @tparam T Type of the value
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*
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* @return Result (SV_...)
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*/
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template <typename T>
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int svSetVFile(const String & name, T value, const String & fname)
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{
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int res = SV_UNSPECIFIED_ERROR;
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JsonDocument doc;
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File f = USEDFS.open(fname, "r");
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if (f) {
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if (const DeserializationError err = deserializeJson(doc, f)) {
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res = SV_DESERIALIZE_ERROR; // wrong (malformed) JSON file
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}
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f.close();
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}
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doc[name] = value;
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f = USEDFS.open(fname, "w");
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if (f) {
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serializeJson(doc, f);
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res = SV_OK;
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} else {
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res = SV_FILE_WRITE_ERROR;
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}
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return res;
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}
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template int svGetV(const String & name, const int deflt);
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template String svGetV(const String & name, const String deflt);
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template unsigned svGetV(const String & name, const unsigned deflt);
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template int svGetVFile(const String & name, const String & fname, const int deflt);
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template String svGetVFile(const String & name, const String & fname, const String deflt);
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template unsigned svGetVFile(const String & name, const String & fname, const unsigned deflt);
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template int svSetV(const String & name, int value);
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template int svSetV(const String & name, long value);
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template int svSetV(const String & name, unsigned value);
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template int svSetV(const String & name, String value);
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template int svSetVFile(const String & name, int value, const String & fname);
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template int svSetVFile(const String & name, unsigned value, const String & fname);
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template int svSetVFile(const String & name, String value, const String & fname);
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126
src/sysvars.hpp
126
src/sysvars.hpp
@ -1,15 +1,14 @@
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#pragma once
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/** Sysvars library
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* Copyright (c) 2018-2024 Pavel Brychta, pablo@xpablo.cz
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* Copyright (c) 2018-2023 Pavel Brychta, pablo@xpablo.cz
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*
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* Key-value store/load library with JSON file using internal filesystem
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**/
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#include "definefs.hpp"
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#include <Arduino.h>
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#if not defined(SYSVAR_FILE)
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#define SYSVAR_FILE "/cfg.json"
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#endif
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#include <ArduinoJson.h>
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#include <FS.h>
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enum {
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SV_OK = 0,
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@ -21,32 +20,88 @@ enum {
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SV_KEY_NOT_FOUND = -6,
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};
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#if not defined(SYSVAR_FILE)
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#define SYSVAR_FILE "/cfg.json"
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#endif
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/**
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* @brief Get value
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*
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* @param[in] name Name of the key
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* @param deflt Default value
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* @param result Status variable (SV_...)
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*
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* @tparam T result type
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*
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* @return Value for the key given
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*/
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template <typename T>
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T svGetV(const String & name, const T deflt = {});
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T svGetV(const String & name, int * result = nullptr)
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{
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T rv{};
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int res;
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JsonDocument doc;
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File f;
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f = USEDFS.open(F(SYSVAR_FILE), "r");
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if (f) {
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DeserializationError err = deserializeJson(doc, f);
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if (err) {
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res = SV_DESERIALIZE_ERROR; // wrong JSON file (malformed)
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} else {
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if (!doc.containsKey(name)) {
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res = SV_KEY_NOT_FOUND; // key not found
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} else {
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rv = doc[name].as<T>();
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res = SV_OK;
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}
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}
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} else {
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res = SV_FILE_NOT_FOUND; // file not found
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}
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if (result)
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*result = res; // result code if we are interested
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return rv;
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}
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/**
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* @brief Get value
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*
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* @param[in] name Name of the key
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* @param result Status variable (SV_....)
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* @param[in] fname Used JSON file name
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* @param deflt Default value
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*
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* @tparam T Result type
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*
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* @return Value for the key given
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*/
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template <typename T>
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T svGetVFile(const String & name, const String & fname, const T deflt = {});
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T svGetV(const String & name, int * result, const String & fname)
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{
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T rv{};
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int res;
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JsonDocument doc;
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File f;
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f = USEDFS.open(fname, "r");
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if (f) {
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DeserializationError err = deserializeJson(doc, f);
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if (err) {
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res = SV_DESERIALIZE_ERROR; // wrong (malformed) JSON file
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} else {
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if (!doc.containsKey(name)) {
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res = SV_KEY_NOT_FOUND; // key not found
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} else {
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rv = doc[name].as<T>();
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res = SV_OK;
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}
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}
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} else {
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res = SV_FILE_NOT_FOUND; // file not found
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}
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if (result)
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*result = res; // result code if we are interested
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return rv;
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}
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/**
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* @brief Store value for the key
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@ -59,7 +114,31 @@ T svGetVFile(const String & name, const String & fname, const T deflt = {});
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* @return Result (SV_...)
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*/
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template <typename T>
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int svSetV(const String & name, T value);
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int svSetV(const String & name, T value)
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{
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int res;
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JsonDocument doc;
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File f;
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f = USEDFS.open(F(SYSVAR_FILE), "r");
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if (f) {
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DeserializationError err = deserializeJson(doc, f);
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if (err) {
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res = SV_DESERIALIZE_ERROR; // wrong (malformed) JSON file
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}
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f.close();
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}
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doc[name] = value;
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f = USEDFS.open(SYSVAR_FILE, "w");
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if (f) {
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serializeJson(doc, f);
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res = SV_OK;
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} else {
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res = SV_FILE_WRITE_ERROR;
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}
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return res;
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}
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/**
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* @brief Store value for the key
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@ -73,4 +152,29 @@ int svSetV(const String & name, T value);
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* @return Result (SV_...)
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*/
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template <typename T>
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int svSetVFile(const String & name, T value, const String & fname);
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int svSetV(const String & name, T value, const String & fname)
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{
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int res = SV_UNSPECIFIED_ERROR;
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JsonDocument doc;
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File f;
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f = USEDFS.open(fname, "r");
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if (f) {
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DeserializationError err = deserializeJson(doc, f);
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if (err) {
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res = SV_DESERIALIZE_ERROR; // wrong (malformed) JSON file
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}
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f.close();
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}
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doc[name] = value;
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f = USEDFS.open(fname, "w");
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if (f) {
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serializeJson(doc, f);
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res = SV_OK;
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} else {
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res = SV_FILE_WRITE_ERROR;
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}
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return res;
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}
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