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config: abstract fs utils to fix esp32 builds

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This commit is contained in:
Torrie Fischer 2023-12-20 09:19:37 +01:00
parent 6797889b4c
commit ce65e7e7f0
3 changed files with 91 additions and 48 deletions
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49
src/Config.h
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@ -2,7 +2,7 @@
#include <Figments.h>
#include "JsonCoordinateMapping.h"
#include <ArduinoJson.h>
#include <LittleFS.h>
#include "FsUtils.h"
class Configuration {
public:
@ -59,55 +59,8 @@ struct ConfigService: public Task {
const CoordinateMapping* coordMap() const { return &m_jsonMap; }
const char* loadedProfile() const;
void overrideProfile(const char* profileName);
const char* getConfigValue(const char* key) const;
const std::vector<Command>& commands() const override;
struct filename_iterator: public std::iterator<std::input_iterator_tag, const char*> {
Dir dir;
String ret;
bool valid;
const char* suffix;
explicit filename_iterator() : suffix(NULL), valid(false) {}
explicit filename_iterator(const char* path, const char* suffix) : dir(LittleFS.openDir(path)), valid(true), suffix(suffix) {
next();
}
void next() {
if (!valid) {
return;
}
int extPos = -1;
do {
valid = dir.next();
Log.info("valid %F", valid);
if (valid) {
String fname = dir.fileName();
extPos = fname.lastIndexOf(suffix);
Log.info("compare %s %d", fname.c_str(), extPos);
if (extPos != -1) {
ret = fname.substring(0, extPos);
Log.info("found %s", ret.c_str());
}
}
} while (valid && extPos == -1);
}
filename_iterator& operator++() {
next();
return *this;
}
filename_iterator& operator++(int) {filename_iterator ret = *this; ++(*this); return ret;}
bool operator==(const filename_iterator &other) const { return valid == other.valid;}
bool operator!=(const filename_iterator &other) const { return !(*this == other); }
const char* operator*() const {
if (!valid) {
return NULL;
}
return ret.c_str();
}
};
filename_iterator mapsBegin() const { return filename_iterator("/maps/", ".json"); }
filename_iterator mapsEnd() const { return filename_iterator(); }

57
src/FsUtils.cpp Normal file
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@ -0,0 +1,57 @@
#include "FsUtils.h"
filename_iterator::filename_iterator()
: suffix(NULL),
valid(false)
{}
filename_iterator::filename_iterator(const char* path, const char* suffix)
#ifdef BOARD_ESP8266
: dir(LittleFS.openDir(path)),
#endif
#ifdef BOARD_ESP32
: dir(LittleFS.open(path)),
#endif
valid(true),
suffix(suffix)
{
next();
}
void
filename_iterator::next()
{
if (!valid) {
return;
}
int extPos = -1;
do {
#ifdef BOARD_ESP8266
valid = dir.next();
if (valid) {
String fname = dir.fileName();
extPos = fname.lastIndexOf(suffix);
if (extPos != -1) {
ret = fname.substring(0, extPos);
}
}
#endif
#ifdef BOARD_ESP32
File next = dir.openNextFile();
valid = (bool)next;
if (valid && !next.isDirectory()) {
String fname = next.name();
extPos = fname.lastIndexOf(suffix);
if (extPos != -1) {
ret = fname.substring(0, extPos);
}
}
#endif
} while (valid && extPos == -1);
}
filename_iterator& filename_iterator::operator++()
{
next();
return *this;
}

33
src/FsUtils.h Normal file
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@ -0,0 +1,33 @@
#pragma once
#include <iterator>
#include <LittleFS.h>
struct filename_iterator: public std::iterator<std::input_iterator_tag, const char*> {
public:
filename_iterator();
filename_iterator(const char* path, const char* suffix);
void next();
filename_iterator& operator++();
filename_iterator& operator++(int) {filename_iterator ret = *this; ++(*this); return ret;}
bool operator==(const filename_iterator &other) const { return valid == other.valid;}
bool operator!=(const filename_iterator &other) const { return !(*this == other); }
const char* operator*() const {
if (!valid) {
return NULL;
}
return ret.c_str();
}
private:
String ret;
bool valid;
const char* suffix;
#ifdef BOARD_ESP8266
Dir dir;
#endif
#ifdef BOARD_ESP32
File dir;
#endif
};