42e843b463
* Remove version from artifact name * Target C++ 20 and higher * Use cpp string * Better crash implementation * String utils in cpp style * Replace parameter methods with start() method * MutexType to Mutex::Type * Kernel c to cpp style * Cleanup event flag * More cpp conversions * Test fixes * Updated ideas docs
91 lines
3.3 KiB
C++
91 lines
3.3 KiB
C++
#include "FilesData.h"
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#include "FileUtils.h"
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#include "StringUtils.h"
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#include "TactilityCore.h"
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namespace tt::app::files {
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#define TAG "files_app"
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static bool get_child_path(char* base_path, const char* child_path, char* out_path, size_t max_chars) {
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size_t current_path_length = strlen(base_path);
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size_t added_path_length = strlen(child_path);
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size_t total_path_length = current_path_length + added_path_length + 1; // two paths with `/`
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if (total_path_length >= max_chars) {
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TT_LOG_E(TAG, "Path limit reached (%d chars)", MAX_PATH_LENGTH);
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return false;
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} else {
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// Postfix with "/" when the current path isn't "/"
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if (current_path_length != 1) {
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sprintf(out_path, "%s/%s", base_path, child_path);
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} else {
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sprintf(out_path, "/%s", child_path);
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}
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return true;
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}
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}
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static void data_set_entries(std::shared_ptr<Data> data, struct dirent** entries, int count) {
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if (data->dir_entries != nullptr) {
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data->freeEntries();
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}
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data->dir_entries = entries;
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data->dir_entries_count = count;
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}
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bool data_set_entries_for_path(std::shared_ptr<Data> data, const char* path) {
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TT_LOG_I(TAG, "Changing path: %s -> %s", data->current_path, path);
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/**
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* ESP32 does not have a root directory, so we have to create it manually.
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* We'll add the NVS Flash partitions and the binding for the sdcard.
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*/
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if (kernel::getPlatform() == kernel::PlatformEsp && strcmp(path, "/") == 0) {
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int dir_entries_count = 3;
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auto** dir_entries = static_cast<dirent**>(malloc(sizeof(struct dirent*) * 3));
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dir_entries[0] = static_cast<dirent*>(malloc(sizeof(struct dirent)));
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dir_entries[0]->d_type = TT_DT_DIR;
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strcpy(dir_entries[0]->d_name, "assets");
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dir_entries[1] = static_cast<dirent*>(malloc(sizeof(struct dirent)));
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dir_entries[1]->d_type = TT_DT_DIR;
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strcpy(dir_entries[1]->d_name, "config");
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dir_entries[2] = static_cast<dirent*>(malloc(sizeof(struct dirent)));
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dir_entries[2]->d_type = TT_DT_DIR;
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strcpy(dir_entries[2]->d_name, "sdcard");
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data_set_entries(data, dir_entries, dir_entries_count);
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strcpy(data->current_path, path);
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return true;
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} else {
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struct dirent** entries = nullptr;
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int count = tt::app::files::scandir(path, &entries, &dirent_filter_dot_entries, &dirent_sort_alpha_and_type);
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if (count >= 0) {
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TT_LOG_I(TAG, "%s has %u entries", path, count);
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data_set_entries(data, entries, count);
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strcpy(data->current_path, path);
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return true;
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} else {
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TT_LOG_E(TAG, "Failed to fetch entries for %s", path);
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return false;
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}
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}
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}
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bool data_set_entries_for_child_path(std::shared_ptr<Data> data, const char* child_path) {
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char new_absolute_path[MAX_PATH_LENGTH + 1];
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if (get_child_path(data->current_path, child_path, new_absolute_path, MAX_PATH_LENGTH)) {
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TT_LOG_I(TAG, "Navigating from %s to %s", data->current_path, new_absolute_path);
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return data_set_entries_for_path(data, new_absolute_path);
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} else {
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TT_LOG_I(TAG, "Failed to get child path for %s/%s", data->current_path, child_path);
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return false;
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}
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}
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} // namespace
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