480 lines
12 KiB
C++
480 lines
12 KiB
C++
Bool MapDrv(U8 drv_let,CPrt *p)
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{//Make drive letter map to another.
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drv_let=ToUpper(drv_let);
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if ('A'<=drv_let<='Z') {
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dsk.drv_to_prt[drv_let-'A']=p;
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p->drv_let=drv_let;
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return TRUE;
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} else
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return FALSE;
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}
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Bool Drv(U8 drv_let)
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{//Set drive. You can set drive with $LK,"Cd",A="MN:Cd"$() as well.
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CPrt *p=Drv2Prt(drv_let);
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CBlkDev *bdev=p->bdev;
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BlkDevChk(bdev);
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if (p!=Fs->cur_prt) {
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if (bdev->flags & BDF_REMOVABLE && !(bdev->flags & BDF_INITIALIZED))
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ChgDsk(Prt2Drv(p));
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if (bdev->type==BDT_RAM)
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BlkDevInit(bdev);
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}
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Fs->cur_prt=p;
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Free(Fs->cur_dir);
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Fs->cur_dir=StrNew("/");
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switch (p->type) {
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case PT_REDSEA:
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case PT_FAT32:
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case PT_ISO9660:
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return TRUE;
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default:
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PrintErr("File System Not Supported\n");
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return FALSE;
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}
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}
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Bool Cd(U8 *dirname,Bool make_dirs=FALSE)
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{//Change directory. Optionally, make directories, too.
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I64 maxlen,cur_dir_cluster=0;
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U8 *chg_to_buf,*new_cur_dir,*buf;
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CPrt *p;
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Bool result=TRUE;
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if (!*dirname)
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return TRUE;
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if (dirname[1]==':') {
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if (*dirname==':') {
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if (Fs->cur_prt->drv_let!=*sys_acct && !Drv(*dirname))
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return FALSE;
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} else if (Fs->cur_prt!=Drv2Prt(*dirname) && !Drv(*dirname))
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return FALSE;
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dirname+=2;
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}
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if (*dirname=='/' || !*dirname || !Fs->cur_dir) {
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Free(Fs->cur_dir);
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Fs->cur_dir=StrNew("/");
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if (*dirname=='/')
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dirname++;
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}
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chg_to_buf=MStrUtil(dirname,SUF_REM_LEADING|SUF_REM_TRAILING|SUF_REM_CTRL_CHARS);
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maxlen=StrLen(Fs->cur_dir)+1+StrLen(chg_to_buf)+1;
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new_cur_dir=MAlloc(maxlen);
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buf=MAlloc(maxlen);
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StrCpy(new_cur_dir,Fs->cur_dir);
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while (*chg_to_buf && result) {
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StrFirstRem(chg_to_buf,"/",buf);
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if (!*buf)
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StrCpy(new_cur_dir,"/");
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else if (!StrCmp(buf,"..")) {
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StrLastRem(new_cur_dir,"/");
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if (!*new_cur_dir)
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StrCpy(new_cur_dir,"/");
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} else if (StrCmp(buf,".") && *buf) {
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if (!StrCmp(buf,"HOME")) {
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result=Cd(sys_acct);
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Free(new_cur_dir);
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new_cur_dir=MAlloc(maxlen+StrLen(sys_acct));
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StrCpy(new_cur_dir,sys_acct+2);
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} else {
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p=Fs->cur_prt;
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cur_dir_cluster=Name2DirCluster(p,new_cur_dir);
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switch (p->type) {
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case PT_REDSEA:
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result=RedSeaFSCd(buf,cur_dir_cluster);
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break;
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case PT_FAT32:
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result=FAT32Cd(buf,cur_dir_cluster);
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break;
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case PT_ISO9660:
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result=ISO1Cd(buf,cur_dir_cluster);
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break;
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default:
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PrintErr("File System Not Supported\n");
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result=FALSE;
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}
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if (!result && make_dirs) {
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Free(Fs->cur_dir);
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Fs->cur_dir=StrNew(new_cur_dir);
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result=MkDir(buf);
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}
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if (result) {
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if (StrCmp(new_cur_dir,"/"))
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CatPrint(new_cur_dir,"/");
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CatPrint(new_cur_dir,buf);
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}
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}
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}
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}
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Free(Fs->cur_dir);
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Fs->cur_dir=StrNew(new_cur_dir);
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Free(buf);
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Free(chg_to_buf);
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Free(new_cur_dir);
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return result;
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}
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U0 FileAccessDel(CFileAccess *fa)
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{//Change back to old cur_dir and prt.
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CBlkDev *bdev;
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if (!fa) return;
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bdev=fa->old_prt->bdev;
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if (!(bdev->flags & BDF_INIT_IN_PROGRESS)) {
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if (fa->old_dir) {
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Drv(Prt2Drv(fa->old_prt));
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Cd(fa->old_dir);
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}
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} else {
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Fs->cur_prt=fa->old_prt;
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Free(Fs->cur_dir);
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Fs->cur_dir=StrNew("/");
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}
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Free(fa->old_dir);
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Free(fa->mask);
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Free(fa);
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}
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CFileAccess *FileAccessNew(U8 *_mask,Bool make_mask=FALSE,Bool make_dirs=FALSE,Bool no_mask=FALSE)
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{//Save cur_dir and prt. Change to new dir.
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Bool valid=TRUE,old_silent;
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U8 *buf,*mask,*temp_mask;
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CFileAccess *fa=CAlloc(sizeof(CFileAccess));
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mask=MStrUtil(_mask,SUF_REM_LEADING|SUF_REM_TRAILING|SUF_REM_CTRL_CHARS);
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temp_mask=mask;
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fa->old_dir=StrNew(Fs->cur_dir);
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fa->old_prt=Fs->cur_prt;
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if (*mask && mask[1]==':') {
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if (Fs->cur_prt!=Drv2Prt(*mask) && !Drv(*mask))
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valid=FALSE;
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mask+=2;
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}
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if (StrMatch("HOME",mask) && Fs->cur_prt!=Drv2Prt(*sys_acct))
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Drv(*sys_acct);
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fa->p=Fs->cur_prt;
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PrtChk(fa->p);
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buf=MAlloc(StrLen(mask)+2);
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StrCpy(buf,mask);
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fa->mask=MAlloc(StrLen(mask)+2);
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if (no_mask)
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*fa->mask=0;
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else
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StrLastRem(buf,"/",fa->mask);
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if (*mask=='/' && !*buf)
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StrCpy(buf,"/");
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//If began with Dir, change to Dir.
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if (*buf && !Cd(buf,make_dirs))
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valid=FALSE;
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if (valid && make_mask) {
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if (!*fa->mask) {
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Free(fa->mask);
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fa->mask=StrNew("*");
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} else {
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if (!make_dirs || FileNameChk(fa->mask)) {
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old_silent=Silent(ON);
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//Try mask to see if Dir. If Dir, change to dir and set to "*".
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if (Cd(fa->mask,make_dirs)) {
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Free(fa->mask);
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fa->mask=StrNew("*");
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}
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Silent(old_silent);
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}
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}
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}
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Free(buf);
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Free(temp_mask);
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if (!valid) {
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FileAccessDel(fa);
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fa=NULL;
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// throw('File');
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}
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return fa;
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}
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CDirEntry *FilesFind(U8 *files_find_mask,I64 fuf_flags=0)
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{/* See $LK,"::/Doc/FileUtils.TXT"$.
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Find files and make a directory tree in memory.
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When done, you free with $LK,"DirEntryDel",A="MN:DirEntryDel"$(),$LK,"DirEntryDel2",A="MN:DirEntryDel2"$(),
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$LK,"DirTreeDel",A="MN:DirTreeDel"$() or $LK,"DirTreeDel2",A="MN:DirTreeDel2"$().
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*/
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CDirEntry *result;
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CFileAccess *fa;
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if (fuf_flags&~FUG_FILES_FIND)
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throw('FUF');
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if (fuf_flags&FUF_SINGLE) {
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result=MAlloc(sizeof(CDirEntry));
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if (!FileFind(files_find_mask,result)) {
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Free(result);
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return NULL;
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}
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} else if (fa=FileAccessNew(files_find_mask,TRUE)) {
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result=SysFilesFind(fa->mask,fuf_flags);
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FileAccessDel(fa);
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} else
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return NULL;
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return result;
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}
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Bool IsDir(U8 *dir_name)
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{//Is a str a valid, existing Dir?
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U8 *mask=MStrPrint("%s/*",dir_name);
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Bool result,old_silent=Silent(ON);
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CFileAccess *fa;
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if (fa=FileAccessNew(mask)) {
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FileAccessDel(fa);
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result=TRUE;
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} else
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result=FALSE;
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Free(mask);
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Silent(old_silent);
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return result;
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}
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I64 Dir(U8 *files_find_mask="*",Bool full=FALSE)
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{//List directory.
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I64 result;
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CFileAccess *fa;
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if (fa=FileAccessNew(files_find_mask,TRUE)) {
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result=Dir2(fa->mask,0,full);
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FileAccessDel(fa);
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return result;
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} else
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return 0;
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}
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I64 Del(U8 *files_find_mask,Bool print_msg=TRUE)
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{//Delete files.
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I64 result=0;
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CFileAccess *fa;
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if (fa=FileAccessNew(files_find_mask)) {
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switch (fa->p->type) {
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case PT_REDSEA:
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result=RedSeaFSFilesDel(fa->p,Fs->cur_dir,fa->mask,0,FALSE,print_msg);
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break;
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case PT_FAT32:
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result=FAT32FilesDel(fa->p,Fs->cur_dir,fa->mask,0,FALSE,print_msg);
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break;
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case PT_ISO9660:
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PrintErr("Not Writable\n");
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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FileAccessDel(fa);
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}
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return result;
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}
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U8 *FileRead(U8 *filename,I64 *_size=NULL,I64 *_attr=NULL,Bool raw=FALSE)
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{//Read whole file from disk.
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CHashGeneric *temph;
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U8 *absname,*altname,*curname,*result=NULL;
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I64 i,size=0,attr=0;
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CFileAccess *fa;
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CArcCompress *ac;
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absname=FileNameAbs(filename);
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altname=ToggleZorNotZ(absname);
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if (!raw && ((temph=HashFind(absname,adam_task->hash_table,HTT_FILE))||
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(temph=HashFind(altname,adam_task->hash_table,HTT_FILE)))) {
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size=temph->user_data1;
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result=MAlloc(size+1);
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MemCpy(result,temph->user_data0,size);
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result[size]=0; //Terminate
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attr=FileAttr(temph->str,attr);
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} else {
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for (i=0;i<2 && !result;i++) {//Try name, then altname
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if (!i)
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curname=absname;
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else
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curname=altname;
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if (fa=FileAccessNew(curname)) {
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switch (fa->p->type) {
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case PT_REDSEA:
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result=RedSeaFSFileRead(fa->p,Fs->cur_dir,fa->mask,&size,&attr);
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break;
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case PT_FAT32:
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result=FAT32FileRead(fa->p,Fs->cur_dir,fa->mask,&size,&attr);
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break;
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case PT_ISO9660:
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result=ISO1FileRead(fa->p,Fs->cur_dir,fa->mask,&size,&attr);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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FileAccessDel(fa);
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}
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}
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//Search parent directories.
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for (i=0;i<2 && !result;i++) {//Try name, then altname
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if (!i)
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curname=absname;
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else
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curname=altname;
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if (fa=FileAccessNew(curname)) {
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while (!result && StrCmp(Fs->cur_dir,"/")) {
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Cd("..");
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switch (Fs->cur_prt->type) {
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case PT_REDSEA:
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result=RedSeaFSFileRead(fa->p,Fs->cur_dir,fa->mask,&size,&attr);
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break;
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case PT_FAT32:
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result=FAT32FileRead(fa->p,Fs->cur_dir,fa->mask,&size,&attr);
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break;
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case PT_ISO9660:
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result=ISO1FileRead(fa->p,Fs->cur_dir,fa->mask,&size,&attr);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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}
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FileAccessDel(fa);
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}
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}
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if (!result) {
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"%s ",filename;
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PrintErr("File not found.\n");
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}
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if (result && !raw && attr & RS_ATTR_RESIDENT)
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HashGenericAdd(curname,HTT_FILE,AMAllocIdentical(result),size,0,adam_task);
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}
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if (result && !raw && attr & RS_ATTR_COMPRESSED) {
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ac=result;
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size=ac->expanded_size;
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result=ExpandBuf(ac);
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Free(ac);
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}
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if (_attr) *_attr=attr;
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if (_size) *_size=size;
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Free(absname);
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Free(altname);
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return result;
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}
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Bool FileFind(U8 *filename,CDirEntry *_de=NULL,I64 fuf_flags=0)
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{//$LK,"FUF_JUST_DIRS",A="MN:FUF_JUST_DIRS"$, $LK,"FUF_JUST_FILES",A="MN:FUF_JUST_FILES"$, $LK,"FUF_Z_OR_NOT_Z",A="MN:FUF_Z_OR_NOT_Z"$, $LK,"FUF_SCAN_PARENTS",A="MN:FUF_SCAN_PARENTS"$
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//If you pass _de, you must Free(_de->full_name);
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I64 i,j,cur_dir_cluster;
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U8 *altname,*curname,*full_name=NULL;
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CDirEntry de;
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CFileAccess *fa;
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Bool result=FALSE;
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if (fuf_flags&~FUG_FILE_FIND)
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throw('FUF');
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if (!filename) return FALSE;
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altname=ToggleZorNotZ(filename);
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if (fuf_flags&FUF_Z_OR_NOT_Z)
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j=2;
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else
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j=1;
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for (i=0;i<j && !result;i++) {
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if (!i)
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curname=filename;
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else
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curname=altname;
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if (fa=FileAccessNew(curname)) {
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cur_dir_cluster=Name2DirCluster(fa->p,Fs->cur_dir);
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switch (fa->p->type) {
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case PT_REDSEA:
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result=RedSeaFSFileFind(fa->p,cur_dir_cluster,fa->mask,&de,fuf_flags);
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break;
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case PT_FAT32:
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result=FAT32FileFind(fa->p,cur_dir_cluster,fa->mask,&de,fuf_flags);
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break;
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case PT_ISO9660:
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result=ISO1FileFind(fa->p,cur_dir_cluster,fa->mask,&de,fuf_flags);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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if (result && _de)
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full_name=MStrPrint("%C:%s/%s",Fs->cur_prt->drv_let,Fs->cur_dir,de.name);
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FileAccessDel(fa);
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}
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}
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for (i=0;i<j && !result && fuf_flags&FUF_SCAN_PARENTS;i++) {
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if (!i)
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curname=filename;
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else
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curname=altname;
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if (fa=FileAccessNew(curname)) {
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cur_dir_cluster=Name2DirCluster(fa->p,Fs->cur_dir);
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while (!result && StrCmp(Fs->cur_dir,"/")) {
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Cd("..");
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cur_dir_cluster=Name2DirCluster(fa->p,Fs->cur_dir);
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switch (fa->p->type) {
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case PT_REDSEA:
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result=RedSeaFSFileFind(fa->p,cur_dir_cluster,fa->mask,&de,fuf_flags);
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break;
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case PT_FAT32:
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result=FAT32FileFind(fa->p,cur_dir_cluster,fa->mask,&de,fuf_flags);
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break;
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case PT_ISO9660:
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result=ISO1FileFind(fa->p,cur_dir_cluster,fa->mask,&de,fuf_flags);
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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}
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if (result && _de)
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full_name=MStrPrint("%C:%s/%s",Fs->cur_prt->drv_let,Fs->cur_dir,de.name);
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FileAccessDel(fa);
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}
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}
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if (_de) {
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if (result) {
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MemCpy(_de,&de,sizeof(CDirEntry));
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_de->full_name=full_name;
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} else
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MemSet(_de,0,sizeof(CDirEntry));
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}
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Free(altname);
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return result;
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}
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I64 FileWrite(U8 *filename,U8 *fbuf,
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I64 size,CDate cdt=0,I64 attr=0,Bool raw=FALSE)
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{//Write whole file to disk.
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I64 c=0;
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CHashGeneric *temph;
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CFileAccess *fa;
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U8 *fbuf2,*absname=FileNameAbs(filename);
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if (fa=FileAccessNew(filename,FALSE,TRUE)) {
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attr=FileAttr(fa->mask,attr);
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if (attr&RS_ATTR_COMPRESSED && !raw) {
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fbuf=CompressBuf(fbuf,size);
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size=fbuf(CArcCompress *)->compressed_size;
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fbuf2=fbuf;
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} else
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fbuf2=NULL;
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if (!cdt) cdt=Now;
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switch (fa->p->type) {
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case PT_REDSEA:
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c=RedSeaFSFileWrite(fa->p,Fs->cur_dir,fa->mask,fbuf,size,cdt,attr);
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break;
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case PT_FAT32:
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c=FAT32FileWrite(fa->p,Fs->cur_dir,fa->mask,fbuf,size,cdt,attr);
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break;
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case PT_ISO9660:
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PrintErr("Not Writable\n");
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break;
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default:
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PrintErr("File System Not Supported\n");
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}
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if (temph=HashFind(absname,adam_task->hash_table,HTT_FILE)) {
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if (!raw && attr & RS_ATTR_RESIDENT) {
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Free(temph->user_data0);
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temph->user_data0=AMAllocIdentical(fbuf);
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temph->user_data1=size;
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} else
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HashRemDel(temph,adam_task->hash_table);
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} else if (!raw && attr & RS_ATTR_RESIDENT)
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|
HashGenericAdd(absname,HTT_FILE,AMAllocIdentical(fbuf),size,0,adam_task);
|
|
Free(fbuf2);
|
|
FileAccessDel(fa);
|
|
}
|
|
Free(absname);
|
|
return c;
|
|
}
|