void CommandDir::displayFileSize(int n, int length /*=0*/)
{
// 3位一组，每组包含1个逗号分隔符。最多输出18个字符。
static const int FIELD = 1000;
static const int FIELD_SIZE = 4;
static const int MAX_SIZE = 15;
if (n > FIELD)
{
int field = n % 1000;
displayFileSize(n / 1000, length + FIELD_SIZE);
printf(",%d", field);
}
else
{
assert(n >= 0);
if (n > 0)
length += static_cast<int>(log10(static_cast<float>(n)));
else
length = 0;
for (int i = 0; i < (MAX_SIZE - (length + FIELD_SIZE - 1)); ++i)
{
printf(" ");
}
printf("%d", n);
}
}
void CommandDir::displayState(state s, bool only_dir)
{
static const int BUF_SIZE = 80;
char buf[BUF_SIZE] = {0};
tm t = {0};
localtime_s(&t, &s.ctime);
// 两个空格
strftime(buf, BUF_SIZE, "%Y/%m/%d %H:%M", &t);
printf("%s", buf);
if (s.type == FILE_TYPE && !only_dir)
{
displayFileSize(s.size);
_tprintf(_T(" %s\n"), s.name.c_str());
}
else if (s.type == DIR_TYPE)
{
// 三个空格 六个空格
_tprintf(_T(" <DIR> %s\n"), s.name.c_str());
}
}
/**
* \brief Hex dump the file.
* \param file File to dump.
* \result 1 if all OK.
*/
int showDir (DIR_ENTRY *file)
{
unsigned char inFile[PATH_SIZE];
FILE *readFile;
/*----------------------------------------------------------------------------------------------------------------*
* If the file is a link check it points to a regular file. *
*----------------------------------------------------------------------------------------------------------------*/
#ifdef USE_STATX
if (S_ISLNK (file -> fileStat.stx_mode))
#else
if (S_ISLNK (file -> fileStat.st_mode))
#endif
{
mode_t type = directoryTrueLinkType (file);
if (!S_ISREG (type))
{
fprintf (stderr, "ERROR: Link does not point to file\n");
return 0;
}
}
/*----------------------------------------------------------------------------------------------------------------*
* First display a table with the file name and size. *
*----------------------------------------------------------------------------------------------------------------*/
if (!displayColumnInit (2, ptrFileColumn, 0))
{
fprintf (stderr, "ERROR in: displayColumnInit\n");
return 0;
}
if (!displayQuiet)
{
displayDrawLine (0);
displayHeading (0);
displayNewLine (0);
displayInColumn (0, "%s", file -> fileName);
#ifdef USE_STATX
displayInColumn (1, displayFileSize (file -> fileStat.stx_size, (char *)inFile));
#else
displayInColumn (1, displayFileSize (file -> fileStat.st_size, (char *)inFile));
#endif
displayNewLine (DISPLAY_INFO);
displayAllLines ();
}
displayTidy ();
/*----------------------------------------------------------------------------------------------------------------*
* Open the file and display a table containing the hex dump. *
*----------------------------------------------------------------------------------------------------------------*/
strcpy ((char *)inFile, file -> fullPath);
strcat ((char *)inFile, file -> fileName);
if ((readFile = fopen ((char *)inFile, "rb")) != NULL)
{
if (!displayColumnInit (displayCols, ptrDumpColumn, displayFlags))
{
fprintf (stderr, "ERROR in: displayColumnInit\n");
return 0;
}
if (!displayQuiet) displayDrawLine (0);
if (!displayQuiet) displayHeading (0);
processFile (readFile);
fclose (readFile);
++filesFound;
}
return 0;
}
