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📝 Document diveToFile, printListing

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This commit is contained in:
Scott Lahteine 2021-05-21 22:45:54 -05:00
parent 87a943756a
commit ddc82b84e2
3 changed files with 73 additions and 52 deletions
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2
Marlin/src/inc/SanityCheck.h
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@ -2304,7 +2304,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
+ (DISABLED(IS_LEGACY_TFT) && ENABLED(TFT_GENERIC)) \
+ (ENABLED(IS_LEGACY_TFT) && COUNT_ENABLED(TFT_320x240, TFT_320x240_SPI, TFT_480x320, TFT_480x320_SPI)) \
+ COUNT_ENABLED(ANYCUBIC_LCD_I3MEGA, ANYCUBIC_LCD_CHIRON, ANYCUBIC_TFT35) \
+ COUNT_ENABLED(DGUS_LCD_UI_ORIGIN, DGUS_LCD_UI_FYSETC, DGUS_LCD_UI_HIPRECY,DGUS_LCD_UI_MKS) \
+ COUNT_ENABLED(DGUS_LCD_UI_ORIGIN, DGUS_LCD_UI_FYSETC, DGUS_LCD_UI_HIPRECY, DGUS_LCD_UI_MKS) \
+ COUNT_ENABLED(ENDER2_STOCKDISPLAY, CR10_STOCKDISPLAY, DWIN_CREALITY_LCD) \
+ COUNT_ENABLED(FYSETC_MINI_12864_X_X, FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1, FYSETC_GENERIC_12864_1_1) \
+ COUNT_ENABLED(LCD_SAINSMART_I2C_1602, LCD_SAINSMART_I2C_2004) \

102
Marlin/src/sd/cardreader.cpp
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@ -261,7 +261,14 @@ void CardReader::selectByName(SdFile dir, const char * const match) {
}
//
// Recursive method to list all files within a folder
// Recursive method to print all files within a folder in flat
// DOS 8.3 format. This style of listing is the most compatible
// with legacy hosts.
//
// This method recurses to unlimited depth and lists every
// G-code file within the given parent. If the hierarchy is
// very deep this can blow up the stack, so a 'depth' parameter
// (as with printListingJSON) would be a good addition.
//
void CardReader::printListing(SdFile parent, const char * const prepend/*=nullptr*/) {
dir_t p;
@ -288,17 +295,17 @@ void CardReader::printListing(SdFile parent, const char * const prepend/*=nullpt
// Get a new directory object using the full path
// and dive recursively into it.
SdFile child;
if (!child.open(&parent, dosFilename, O_READ))
SdFile child; // child.close() in destructor
if (child.open(&parent, dosFilename, O_READ))
printListing(child, path);
else {
SERIAL_ECHO_MSG(STR_SD_CANT_OPEN_SUBDIR, dosFilename);
printListing(child, path);
// close() is done automatically by destructor of SdFile
return;
}
}
else if (is_dir_or_gcode(p)) {
createFilename(filename, p);
if (prepend) SERIAL_ECHO(prepend);
SERIAL_ECHO(filename);
SERIAL_ECHO(createFilename(filename, p));
SERIAL_CHAR(' ');
SERIAL_ECHOLN(p.fileSize);
}
@ -342,7 +349,7 @@ void CardReader::ls() {
// Go to the next segment
while (path[++i]) { }
// SERIAL_ECHOPGM("Looking for segment: "); SERIAL_ECHOLN(segment);
//SERIAL_ECHOLNPAIR("Looking for segment: ", segment);
// Find the item, setting the long filename
diveDir.rewind();
@ -720,14 +727,14 @@ void CardReader::removeFile(const char * const name) {
//abortFilePrintNow();
SdFile *curDir;
const char * const fname = diveToFile(false, curDir, name);
SdFile *itsDirPtr;
const char * const fname = diveToFile(false, itsDirPtr, name);
if (!fname) return;
#if ENABLED(SDCARD_READONLY)
SERIAL_ECHOLNPAIR("Deletion failed (read-only), File: ", fname, ".");
#else
if (file.remove(curDir, fname)) {
if (file.remove(itsDirPtr, fname)) {
SERIAL_ECHOLNPAIR("File deleted:", fname);
sdpos = 0;
TERN_(SDCARD_SORT_ALPHA, presort());
@ -870,98 +877,101 @@ uint16_t CardReader::countFilesInWorkDir() {
* - If update_cwd was 'true' the workDir now points to the file's directory.
*
* Returns a pointer to the last segment (filename) of the given DOS 8.3 path.
* On exit, inDirPtr contains an SdFile reference to the file's directory.
*
* A nullptr result indicates an unrecoverable error.
*
* NOTE: End the path with a slash to dive to a folder. In this case the
* returned filename will be blank (points to the end of the path).
*/
const char* CardReader::diveToFile(const bool update_cwd, SdFile* &diveDir, const char * const path, const bool echo/*=false*/) {
const char* CardReader::diveToFile(const bool update_cwd, SdFile* &inDirPtr, const char * const path, const bool echo/*=false*/) {
DEBUG_SECTION(est, "diveToFile", true);
// Track both parent and subfolder
static SdFile newDir1, newDir2;
SdFile *sub = &newDir1, *startDir;
SdFile *sub = &newDir1, *startDirPtr;
// Parsing the path string
const char *item_name_adr = path;
const char *atom_ptr = path;
DEBUG_ECHOLNPAIR(" path = '", path, "'");
if (path[0] == '/') { // Starting at the root directory?
diveDir = &root;
item_name_adr++;
DEBUG_ECHOLNPAIR(" CWD to root: ", hex_address((void*)diveDir));
inDirPtr = &root;
atom_ptr++;
DEBUG_ECHOLNPAIR(" CWD to root: ", hex_address((void*)inDirPtr));
if (update_cwd) workDirDepth = 0; // The cwd can be updated for the benefit of sub-programs
}
else
diveDir = &workDir; // Dive from workDir (as set by the UI)
inDirPtr = &workDir; // Dive from workDir (as set by the UI)
startDir = diveDir;
startDirPtr = inDirPtr;
DEBUG_ECHOLNPAIR(" startDir = ", hex_address((void*)startDir));
DEBUG_ECHOLNPAIR(" startDirPtr = ", hex_address((void*)startDirPtr));
while (item_name_adr) {
while (atom_ptr) {
// Find next subdirectory delimiter
char * const name_end = strchr(item_name_adr, '/');
char * const name_end = strchr(atom_ptr, '/');
// Last atom in the path? Item found.
if (name_end <= item_name_adr) break;
if (name_end <= atom_ptr) break;
// Set subDirName
const uint8_t len = name_end - item_name_adr;
// Isolate the next subitem name
const uint8_t len = name_end - atom_ptr;
char dosSubdirname[len + 1];
strncpy(dosSubdirname, item_name_adr, len);
strncpy(dosSubdirname, atom_ptr, len);
dosSubdirname[len] = 0;
if (echo) SERIAL_ECHOLN(dosSubdirname);
DEBUG_ECHOLNPAIR(" sub = ", hex_address((void*)sub));
// Open diveDir (closing first)
// Open inDirPtr (closing first)
sub->close();
if (!sub->open(diveDir, dosSubdirname, O_READ)) {
if (!sub->open(inDirPtr, dosSubdirname, O_READ)) {
openFailed(dosSubdirname);
item_name_adr = nullptr;
atom_ptr = nullptr;
break;
}
// Close diveDir if not at starting-point
if (diveDir != startDir) {
DEBUG_ECHOLNPAIR(" closing diveDir: ", hex_address((void*)diveDir));
diveDir->close();
// Close inDirPtr if not at starting-point
if (inDirPtr != startDirPtr) {
DEBUG_ECHOLNPAIR(" closing inDirPtr: ", hex_address((void*)inDirPtr));
inDirPtr->close();
}
// diveDir now subDir
diveDir = sub;
DEBUG_ECHOLNPAIR(" diveDir = sub: ", hex_address((void*)diveDir));
// inDirPtr now subDir
inDirPtr = sub;
DEBUG_ECHOLNPAIR(" inDirPtr = sub: ", hex_address((void*)inDirPtr));
// Update workDirParents and workDirDepth
if (update_cwd) {
DEBUG_ECHOLNPAIR(" update_cwd");
if (workDirDepth < MAX_DIR_DEPTH)
workDirParents[workDirDepth++] = *diveDir;
workDirParents[workDirDepth++] = *inDirPtr;
}
// Point sub at the other scratch object
sub = (diveDir != &newDir1) ? &newDir1 : &newDir2;
sub = (inDirPtr != &newDir1) ? &newDir1 : &newDir2;
DEBUG_ECHOLNPAIR(" swapping sub = ", hex_address((void*)sub));
// Next path atom address
item_name_adr = name_end + 1;
atom_ptr = name_end + 1;
}
if (update_cwd) {
workDir = *diveDir;
DEBUG_ECHOLNPAIR(" final workDir = ", hex_address((void*)diveDir));
workDir = *inDirPtr;
DEBUG_ECHOLNPAIR(" final workDir = ", hex_address((void*)inDirPtr));
flag.workDirIsRoot = (workDirDepth == 0);
TERN_(SDCARD_SORT_ALPHA, presort());
}
DEBUG_ECHOLNPAIR(" returning string ", item_name_adr ?: "nullptr");
return item_name_adr;
DEBUG_ECHOLNPAIR(" returning string ", atom_ptr ?: "nullptr");
return atom_ptr;
}
void CardReader::cd(const char * relpath) {
SdFile newDir;
SdFile *parent = workDir.isOpen() ? &workDir : &root;
SdFile newDir, *parent = &getWorkDir();
if (newDir.open(parent, relpath, O_READ)) {
workDir = newDir;

21
Marlin/src/sd/cardreader.h
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@ -111,7 +111,6 @@ public:
static void mount();
static void release();
static inline bool isMounted() { return flag.mounted; }
static void ls();
// Handle media insert/remove
static void manage_media();
@ -176,21 +175,32 @@ public:
return 0;
}
// Helper for open and remove
static const char* diveToFile(const bool update_cwd, SdFile* &curDir, const char * const path, const bool echo=false);
/**
* Dive down to a relative or absolute path.
* Relative paths apply to the workDir.
*
* update_cwd: Pass 'true' to update the workDir on success.
* inDirPtr: On exit your pointer points to the target SdFile.
* A nullptr indicates failure.
* path: Start with '/' for abs path. End with '/' to get a folder ref.
* echo: Set 'true' to print the path throughout the loop.
*/
static const char* diveToFile(const bool update_cwd, SdFile* &inDirPtr, const char * const path, const bool echo=false);
#if ENABLED(SDCARD_SORT_ALPHA)
static void presort();
static void getfilename_sorted(const uint16_t nr);
#if ENABLED(SDSORT_GCODE)
FORCE_INLINE static void setSortOn(bool b) { sort_alpha = b; presort(); }
FORCE_INLINE static void setSortFolders(int i) { sort_folders = i; presort(); }
FORCE_INLINE static void setSortOn(bool b) { sort_alpha = b; presort(); }
FORCE_INLINE static void setSortFolders(int i) { sort_folders = i; presort(); }
//FORCE_INLINE static void setSortReverse(bool b) { sort_reverse = b; }
#endif
#else
FORCE_INLINE static void getfilename_sorted(const uint16_t nr) { selectFileByIndex(nr); }
#endif
static void ls();
#if ENABLED(POWER_LOSS_RECOVERY)
static bool jobRecoverFileExists();
static void openJobRecoveryFile(const bool read);
@ -199,6 +209,7 @@ public:
// Current Working Dir - Set by cd, cdup, cdroot, and diveToFile(true, ...)
static inline char* getWorkDirName() { workDir.getDosName(filename); return filename; }
static inline SdFile& getWorkDir() { return workDir.isOpen() ? workDir : root; }
// Print File stats
static inline uint32_t getFileSize() { return filesize; }