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Folder sorting shellSort

This commit is contained in:
Alex Voinea 2020-01-08 21:16:08 +02:00
parent 7028583e9b
commit e295c83d09
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GPG Key ID: F5034E7CFCF2F973
2 changed files with 80 additions and 53 deletions
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131
Firmware/cardreader.cpp
View File

@ -749,8 +749,12 @@ void CardReader::presort() {
char name1[LONG_FILENAME_LENGTH + 1];
uint16_t modification_time_bckp;
uint16_t modification_date_bckp;
#if HAS_FOLDER_SORTING
uint16_t dirCnt = 0;
#endif
position = 0;
//might need to also load the file at position 0 for filenameIsDir to work on the first file
if (fileCnt > 1) {
// Init sort order.
for (uint16_t i = 0; i < fileCnt; i++) {
@ -759,72 +763,95 @@ void CardReader::presort() {
sort_order[i] = i;
sort_positions[i] = position;
getfilename(i);
#if HAS_FOLDER_SORTING
if (filenameIsDir) dirCnt++;
#endif
}
#ifdef QUICKSORT
quicksort(0, fileCnt - 1);
#elif defined(SHELLSORT)
#define _SORT_CMP_NODIR() (strcasecmp(name2, name1) > 0)
#define _SORT_CMP_NODIR() (strcasecmp(name2, name1) < 0)
#define _SORT_CMP_TIME_NODIR() (((modification_date_bckp == modificationDate) && (modification_time_bckp < modificationTime)) || (modification_date_bckp < modificationDate))
#if HAS_FOLDER_SORTING
#define _SORT_CMP_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_NODIR() : (fs > 0 ? filenameIsDir : !filenameIsDir))
#define _SORT_CMP_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_NODIR() : (fs < 0 ? filenameIsDir : !filenameIsDir))
#define _SORT_CMP_TIME_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_TIME_NODIR() : (fs < 0 ? filenameIsDir : !filenameIsDir))
#endif
uint16_t counter = 0;
uint16_t total = 0;
for (uint16_t i = fileCnt/2; i > 0; i /= 2) total += fileCnt - i; //total runs for progress bar
for (uint16_t gap = fileCnt/2; gap > 0; gap /= 2)
for (uint8_t runs = 0; runs < 2; runs++)
{
for (uint16_t i = gap; i < fileCnt; i++)
uint8_t* sortingBaseArray;
//run=0: sorts all files and moves folders to the beginning
//run=1: assumes all folders are at the beginning of the list and sorts them
uint16_t sortCountFiles = 0;
if (runs == 0)
{
if (!IS_SD_INSERTED) return;
int8_t percent = (counter * 100) / total;
for (int column = 0; column < 20; column++) {
if (column < (percent / 5))
{
lcd_set_cursor(column, 2);
lcd_print('\xFF'); //simple progress bar
}
}
counter++;
manage_heater();
uint8_t orderBckp = sort_order[i];
getfilename_simple(positions[orderBckp]);
strcpy(name1, LONGEST_FILENAME); // save (or getfilename below will trounce it)
modification_date_bckp = modificationDate;
modification_time_bckp = modificationTime;
#if HAS_FOLDER_SORTING
bool dir1 = filenameIsDir;
#endif
uint16_t j = i;
getfilename_simple(positions[sort_order[j - gap]]);
char *name2 = LONGEST_FILENAME; // use the string in-place
#if HAS_FOLDER_SORTING
while (j >= gap && ((sdSort == SD_SORT_TIME)?_SORT_CMP_TIME_DIR(FOLDER_SORTING):_SORT_CMP_DIR(FOLDER_SORTING)))
#else
while (j >= gap && ((sdSort == SD_SORT_TIME)?_SORT_CMP_TIME_NODIR():_SORT_CMP_NODIR()))
#endif
sortingBaseArray = sort_order;
sortCountFiles = fileCnt;
}
#if HAS_FOLDER_SORTING
else
{
sortingBaseArray = sort_order + /* sizeof(sort_order[0]) * */ (fileCnt - dirCnt);
sortCountFiles = dirCnt;
}
#endif
if (sortCountFiles < 2) break;
uint16_t counter = 0;
uint16_t total = 0;
for (uint16_t i = sortCountFiles/2; i > 0; i /= 2) total += sortCountFiles - i; //total runs for progress bar
for (uint16_t gap = sortCountFiles/2; gap > 0; gap /= 2)
{
for (uint16_t i = gap; i < sortCountFiles; i++)
{
sort_order[j] = sort_order[j - gap];
j -= gap;
#ifdef SORTING_DUMP
for (uint16_t z = 0; z < fileCnt; z++)
{
printf_P(PSTR("%2u "), sort_order[z]);
if (!IS_SD_INSERTED) return;
int8_t percent = (counter * 100) / total;
for (int column = 0; column < 20; column++) {
if (column < (percent / 5))
{
lcd_set_cursor(column, 2);
lcd_print('\xFF'); //simple progress bar
}
}
printf_P(PSTR("i%2d j%2d gap%2d orderBckp%2d\n"), i, j, gap, orderBckp);
counter++;
manage_heater();
uint8_t orderBckp = sortingBaseArray[i];
getfilename_simple(sort_positions[orderBckp]);
strcpy(name1, LONGEST_FILENAME); // save (or getfilename below will trounce it)
modification_date_bckp = modificationDate;
modification_time_bckp = modificationTime;
#if HAS_FOLDER_SORTING
bool dir1 = filenameIsDir;
#endif
if (j < gap) break;
getfilename_simple(positions[sort_order[j - gap]]);
name2 = LONGEST_FILENAME; // use the string in-place
uint16_t j = i;
getfilename_simple(sort_positions[sortingBaseArray[j - gap]]);
char *name2 = LONGEST_FILENAME; // use the string in-place
#if HAS_FOLDER_SORTING
while (j >= gap && ((sdSort == SD_SORT_TIME)?_SORT_CMP_TIME_DIR(FOLDER_SORTING):_SORT_CMP_DIR(FOLDER_SORTING)))
#else
while (j >= gap && ((sdSort == SD_SORT_TIME)?_SORT_CMP_TIME_NODIR():_SORT_CMP_NODIR()))
#endif
{
sortingBaseArray[j] = sortingBaseArray[j - gap];
j -= gap;
#ifdef SORTING_DUMP
for (uint16_t z = 0; z < sortCountFiles; z++)
{
printf_P(PSTR("%2u "), sortingBaseArray[z]);
}
printf_P(PSTR("i%2d j%2d gap%2d orderBckp%2d\n"), i, j, gap, orderBckp);
#endif
if (j < gap) break;
getfilename_simple(sort_positions[sortingBaseArray[j - gap]]);
name2 = LONGEST_FILENAME; // use the string in-place
}
sortingBaseArray[j] = orderBckp;
}
sort_order[j] = orderBckp;
}
}
@ -833,11 +860,11 @@ void CardReader::presort() {
uint16_t total = 0.5*(fileCnt - 1)*(fileCnt);
// Compare names from the array or just the two buffered names
#define _SORT_CMP_NODIR() (strcasecmp(name1, name2) > 0) //true if lowercase(name1) > lowercase(name2)
#define _SORT_CMP_NODIR() (strcasecmp(name1, name2) < 0) //true if lowercase(name1) < lowercase(name2)
#define _SORT_CMP_TIME_NODIR() (((modification_date_bckp == modificationDate) && (modification_time_bckp > modificationTime)) || (modification_date_bckp > modificationDate))
#if HAS_FOLDER_SORTING
#define _SORT_CMP_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_NODIR() : (fs > 0 ? dir1 : !dir1))
#define _SORT_CMP_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_NODIR() : (fs < 0 ? dir1 : !dir1))
#define _SORT_CMP_TIME_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_TIME_NODIR() : (fs < 0 ? dir1 : !dir1))
#endif

2
Firmware/ultralcd.cpp
View File

@ -7300,7 +7300,7 @@ void lcd_sdcard_menu()
{
if (menu_item == menu_line)
{
const uint16_t nr = ((sdSort == SD_SORT_NONE) || farm_mode || (sdSort == SD_SORT_TIME)) ? (_md->fileCnt - 1 - i) : i;
const uint16_t nr = _md->fileCnt - 1 - i;
#ifdef SDCARD_SORT_ALPHA
if (sdSort == SD_SORT_NONE) card.getfilename(nr);
else card.getfilename_sorted(nr);