b6bc1f7ed3
## Summary * Use single unified cache file for book spine, table of contents, and core metadata (title, author, cover image) * Use new temp item store file in OPF parsing to store items to be rescaned when parsing spine * This avoids us holding these items in memory * Use new toc.bin.tmp and spine.bin.tmp to build out partial toc / spine data as part of parsing content.opf and the NCX file * These files are re-read multiple times to ultimately build book.bin ## Additional Context * Spec for file format included below as an image * This should help with: * #10 * #60 * #99
93 lines
1.9 KiB
C++
93 lines
1.9 KiB
C++
#include "FsHelpers.h"
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#include <SD.h>
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#include <vector>
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bool FsHelpers::openFileForRead(const char* moduleName, const std::string& path, File& file) {
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file = SD.open(path.c_str(), FILE_READ);
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if (!file) {
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Serial.printf("[%lu] [%s] Failed to open file for reading: %s\n", millis(), moduleName, path.c_str());
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return false;
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}
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return true;
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}
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bool FsHelpers::openFileForWrite(const char* moduleName, const std::string& path, File& file) {
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file = SD.open(path.c_str(), FILE_WRITE, true);
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if (!file) {
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Serial.printf("[%lu] [%s] Failed to open file for writing: %s\n", millis(), moduleName, path.c_str());
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return false;
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}
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return true;
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}
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bool FsHelpers::removeDir(const char* path) {
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// 1. Open the directory
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File dir = SD.open(path);
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if (!dir) {
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return false;
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}
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if (!dir.isDirectory()) {
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return false;
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}
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File file = dir.openNextFile();
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while (file) {
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String filePath = path;
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if (!filePath.endsWith("/")) {
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filePath += "/";
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}
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filePath += file.name();
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if (file.isDirectory()) {
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if (!removeDir(filePath.c_str())) {
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return false;
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}
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} else {
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if (!SD.remove(filePath.c_str())) {
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return false;
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}
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}
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file = dir.openNextFile();
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}
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return SD.rmdir(path);
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}
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std::string FsHelpers::normalisePath(const std::string& path) {
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std::vector<std::string> components;
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std::string component;
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for (const auto c : path) {
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if (c == '/') {
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if (!component.empty()) {
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if (component == "..") {
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if (!components.empty()) {
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components.pop_back();
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}
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} else {
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components.push_back(component);
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}
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component.clear();
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}
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} else {
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component += c;
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}
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}
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if (!component.empty()) {
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components.push_back(component);
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}
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std::string result;
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for (const auto& c : components) {
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if (!result.empty()) {
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result += "/";
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}
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result += c;
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}
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return result;
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}
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