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First hack of filename upper/lower case conversion

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Bobbi Webber-Manners 2020-02-17 20:34:35 -05:00
parent 791c9151cb
commit 6d8b73ed87
1 changed files with 115 additions and 2 deletions
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117
bobbi/sortdir.c#b00008
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@ -5,7 +5,6 @@
* TODO: Error log file option
* TODO: Fix mode
* TODO: Sort by mtime, ctime
* TODO: Tool for lower/upper/camel casing filenames
* TODO: Tool for 'extending' volume dir to more than 4 blocks
* TODO: Legacy/extended date format conversion
* TODO: Trimming unused directory blocks
@ -138,12 +137,16 @@ static uchar dowrite = 0; /* -w write option */
static uchar doverbose = 0; /* -v verbose option */
static uchar dodebug = 0; /* -V very verbose option */
static char sortopts[5] = ""; /* -s:abc list of sort options */
static char caseopts[2] = ""; /* -c:x case conversion option */
/* Prototypes */
void prerr(char *s);
int readdiskblock(uchar device, uint blocknum, char *buf);
int writediskblock(uchar device, uint blocknum, char *buf);
void fixcase(char *in, char *out, uchar minvers, uchar vers, uchar len);
void lowercase(char *p, uchar len, uchar *minvers, uchar *vers);
void uppercase(char *p, uchar len, uchar *minvers, uchar *vers);
void initialcase(uchar mode, char *p, uchar len, uchar *minvers, uchar *vers);
int readfreelist(uchar device);
int isfree(uint blk);
int isused(uint blk);
@ -256,6 +259,72 @@ void fixcase(char *in, char *out, uchar minvers, uchar vers, uchar len) {
out[len] = '\0';
}
/*
* Convert filename pointed to by p into lower case (which is recorded
* as a bitmap in the vers and minvers fields.
*/
void lowercase(char *p, uchar len, uchar *minvers, uchar *vers) {
uchar idx = 0;
//printf("vers 0x%2x minvers 0x%2x\n", *vers, *minvers);
*vers = 0x01;
*minvers = 0x00;
for (uint i=0; i<7; ++i) {
*vers <<= 1;
if ((idx < len) && isalpha(p[idx++]))
*vers |= 0x01;
}
for (uint i=0; i<8; ++i) {
*minvers <<= 1;
if ((idx < len) && isalpha(p[idx++]))
*minvers |= 0x01;
}
//printf("vers 0x%2x minvers 0x%2x\n", *vers, *minvers);
}
/*
* Convert filename pointed to by p into upper case (which is recorded
* as a bitmap in the vers and minvers fields.
*/
void uppercase(char *p, uchar len, uchar *minvers, uchar *vers) {
*vers = 0x00;
*minvers = 0x00;
}
/*
* Convert filename pointed to by p into to have first letter capitalized
* (which is recorded as a bitmap in the vers and minvers fields.
* If mode = 0 then just uppercase the initial char ("Read.me")
* otherwise camel-case the name ("Read.Me")
*/
void initialcase(uchar mode, char *p, uchar len, uchar *minvers, uchar *vers) {
uchar idx = 0;
uchar capsflag = 1;
//printf("vers 0x%2x minvers 0x%2x\n", *vers, *minvers);
*vers = 0x01;
*minvers = 0x00;
for (uint i=0; i<7; ++i) {
*vers <<= 1;
if ((idx < len) && isalpha(p[idx++]))
if (!capsflag)
*vers |= 0x01;
if ((mode == 1) && !isalpha(p[idx-1]))
capsflag = 1;
else
capsflag = 0;
}
for (uint i=0; i<8; ++i) {
*minvers <<= 1;
if ((idx < len) && isalpha(p[idx++]))
if (!capsflag)
*minvers |= 0x01;
if ((mode == 1) && !isalpha(p[idx-1]))
capsflag = 1;
else
capsflag = 0;
}
//printf("vers 0x%2x minvers 0x%2x\n", *vers, *minvers);
}
/*
* Read the first block of a directory and deduce the device ID and block
* number of the first block of the directory.
@ -674,6 +743,38 @@ int readdir(uint device, uint blocknum) {
while (1) {
struct pd_dirent *ent = (struct pd_dirent*)(curblk->data + idx);
if (ent->typ_len != 0) {
if (strlen(caseopts) > 0) {
switch (caseopts[0]) {
case 'u':
uppercase(ent->name,
ent->typ_len & 0x0f,
&(ent->vers),
&(ent->minvers));
break;
case 'l':
lowercase(ent->name,
ent->typ_len & 0x0f,
&(ent->vers),
&(ent->minvers));
break;
case 'i':
initialcase(0,
ent->name,
ent->typ_len & 0x0f,
&(ent->vers),
&(ent->minvers));
break;
case 'c':
initialcase(1,
ent->name,
ent->typ_len & 0x0f,
&(ent->vers),
&(ent->minvers));
break;
}
}
fixcase(ent->name, namebuf,
ent->vers, ent->minvers, ent->typ_len & 0x0f);
#ifdef CHECK
@ -1113,9 +1214,12 @@ void freeblocks(void) {
blocks = NULL;
}
segment "extra";
void usage(void) {
prerr("usage: sortdir [-s xxx] [-rwv] path\n");
prerr(" Options: -s xxx Directory sort options");
prerr(" -c x upper/lower case options");
prerr(" -r Recursive descent");
prerr(" -D Whole-disk mode (implies -r)");
prerr(" -w Enable writing to disk");
@ -1123,6 +1227,12 @@ void usage(void) {
prerr(" -V Verbose debugging output");
prerr(" -h This help");
prerr("");
prerr("Upper/lower case option x:");
prerr(" l convert filenames to lower case eg: read.me");
prerr(" u convert filenames to upper case eg: READ.ME");
prerr(" i convert filenames to initial upper case eg: Read.me");
prerr(" c convert filenames to camel case eg: Read.Me");
prerr("");
prerr("Directory sort options xxx, is a list of fields on which to");
prerr("sort. The sort options are processed left-to-right.");
prerr(" n sort by filename ascending");
@ -1210,8 +1320,11 @@ int main(int argc, char *argv[]) {
exit(1);
}
int opt;
while ((opt = getopt(argc, argv, "DrhwvVs:")) != -1) {
while ((opt = getopt(argc, argv, "c:DrhwvVs:")) != -1) {
switch (opt) {
case 'c':
strncpy(caseopts, optarg, 1);
break;
case 'D':
dowholedisk = 1;
dorecurse = 1;