34 lines
837 B
C
34 lines
837 B
C
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#pragma once
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#include <iterator>
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#include <LittleFS.h>
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struct filename_iterator: public std::iterator<std::input_iterator_tag, const char*> {
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public:
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filename_iterator();
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filename_iterator(const char* path, const char* suffix);
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void next();
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filename_iterator& operator++();
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filename_iterator& operator++(int) {filename_iterator ret = *this; ++(*this); return ret;}
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bool operator==(const filename_iterator &other) const { return valid == other.valid;}
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bool operator!=(const filename_iterator &other) const { return !(*this == other); }
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const char* operator*() const {
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if (!valid) {
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return NULL;
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}
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return ret.c_str();
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}
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private:
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String ret;
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bool valid;
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const char* suffix;
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#ifdef BOARD_ESP8266
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Dir dir;
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#endif
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#ifdef BOARD_ESP32
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File dir;
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#endif
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};
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