blk_box_tc/main/drivers/star_code.cpp

114 lines
2.8 KiB
C++

#include "star_code.h"
#include <vector>
#include <algorithm>
#include <string.h>
#include <stdint.h>
#include <esp_log.h>
static const char* TAG = "star_code";
static std::vector<StarCodeEntry> star_codes;
/// Checks if a triggered code matches an expected code.
/// @return true iff the codes match, where '*'s in the expected code can match any character in the triggered code
static bool check_code_match(const char* triggered, const char* expected) {
size_t triggered_len = strlen(triggered);
size_t match_len = strlen(triggered);
if (triggered_len != match_len)
return false;
for (int i = 0; i < triggered_len; i++) {
if (!(expected[i] == '*' || expected[i] == triggered[i])) {
return false;
}
}
return true;
}
bool add_star_code(StarCodeEntry code) {
if (code.code == nullptr || strlen(code.code) > 8) {
return false;
}
if (code.display_text != nullptr && strlen(code.display_text) > 9) {
return false;
}
// check for a existing entry
auto it = std::find_if(star_codes.begin(), star_codes.end(), [&](const StarCodeEntry& other) {
return check_code_match(code.code, other.code);
});
if (it != star_codes.end()) {
// existing star code found!
ESP_LOGW(TAG, "Failed to add star code %s", code.code);
return false;
}
star_codes.push_back(code);
return true;
}
bool add_star_codes(const StarCodeEntry* codes, size_t len) {
bool success = true;
for (int i = 0; i < len; i++) {
if (!add_star_code(codes[i])) {
success = false;
}
}
return success;
}
bool rm_star_code(const char* code){
auto it = std::find_if(star_codes.begin(), star_codes.end(), [&](const StarCodeEntry& star_code) {
return strcmp(code, star_code.code) == 0;
});
if (it == star_codes.end()) {
ESP_LOGW(TAG, "Failed to remove star code %s", code);
return false;
}
star_codes.erase(it);
return true;
}
bool rm_star_codes(const StarCodeEntry* codes, size_t len) {
bool success = true;
for (int i = 0; i < len; i++) {
if (!rm_star_code(codes[i].code)) {
success = false;
}
}
return success;
}
bool rm_star_codes_str(const char** codes, size_t len) {
bool success = true;
for (int i = 0; i < len; i++) {
if (!rm_star_code(codes[i])) {
success = false;
}
}
return success;
}
void clear_star_codes() {
star_codes.clear();
}
bool trigger_star_code(const char* code) {
auto it = std::find_if(star_codes.begin(), star_codes.end(), [&](const StarCodeEntry& other) {
return check_code_match(code, other.code);
});
if (it == star_codes.end()) {
return false;
}
(it->callback)();
return true;
}