valter/dosbox-staging
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new FindFirst/FindNext methods, removed outputList, changed Bit16s types to Bits

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1259
This commit is contained in:
Ulf Wohlers 2003-09-22 12:21:53 +00:00
parent d95aa00127
commit 52c0878c0c
1 changed files with 52 additions and 37 deletions
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89
src/dos/drive_cache.cpp
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: drive_cache.cpp,v 1.25 2003-09-10 12:57:40 finsterr Exp $ */
/* $Id: drive_cache.cpp,v 1.26 2003-09-22 12:21:53 finsterr Exp $ */
#include "drives.h"
#include "dos_inc.h"
@ -65,6 +65,7 @@ DOS_Drive_Cache::DOS_Drive_Cache(void)
save_dir = 0;
srchNr = 0;
label[0] = 0;
dirFindFirst= 0;
for (Bit32u i=0; i<MAX_OPENDIRS; i++) { dirSearch[i] = 0; free[i] = true; };
SetDirSort(DIRALPHABETICAL);
};
@ -75,6 +76,7 @@ DOS_Drive_Cache::DOS_Drive_Cache(const char* path)
save_dir = 0;
srchNr = 0;
label[0] = 0;
dirFindFirst= 0;
for (Bit32u i=0; i<MAX_OPENDIRS; i++) { dirSearch[i] = 0; free[i] = true; };
SetDirSort(DIRALPHABETICAL);
SetBaseDir(path);
@ -83,6 +85,7 @@ DOS_Drive_Cache::DOS_Drive_Cache(const char* path)
DOS_Drive_Cache::~DOS_Drive_Cache(void)
{
Clear();
delete dirFindFirst; dirFindFirst = 0;
};
void DOS_Drive_Cache::Clear(void)
@ -192,16 +195,7 @@ void DOS_Drive_Cache::AddEntry(const char* path, bool checkExists)
CreateEntry(dir,file);
// Sort Lists - filelist has to be alphabetically sorted
std::sort(dir->fileList.begin(), dir->fileList.end(), SortByName);
// Output list - user defined
switch (sortDirType) {
case ALPHABETICAL : std::sort(dir->outputList.begin(), dir->outputList.end(), SortByName); break;
case DIRALPHABETICAL : std::sort(dir->outputList.begin(), dir->outputList.end(), SortByDirName); break;
case ALPHABETICALREV : std::sort(dir->outputList.begin(), dir->outputList.end(), SortByNameRev); break;
case DIRALPHABETICALREV : std::sort(dir->outputList.begin(), dir->outputList.end(), SortByDirNameRev); break;
case NOSORT : break;
};
Bit16s index = GetLongName(dir,file);
Bits index = GetLongName(dir,file);
if (index>=0) {
Bit32u i;
// Check if there are any open search dir that are affected by this...
@ -258,7 +252,6 @@ void DOS_Drive_Cache::CacheOut(const char* path, bool ignoreLastDir)
// clear lists
dir->fileList.clear();
dir->longNameList.clear();
dir->outputList.clear();
dir->shortNr = 0;
save_dir = 0;
};
@ -275,9 +268,9 @@ bool DOS_Drive_Cache::GetShortName(const char* fullname, char* shortname)
char expand[CROSS_LEN] = {0};
CFileInfo* curDir = FindDirInfo(fullname,expand);
Bit16s low = 0;
Bit16s high = curDir->longNameList.size()-1;
Bit16s mid, res;
Bits low = 0;
Bits high = curDir->longNameList.size()-1;
Bits mid, res;
while (low<=high) {
mid = (low+high)/2;
@ -294,10 +287,10 @@ bool DOS_Drive_Cache::GetShortName(const char* fullname, char* shortname)
Bit16u DOS_Drive_Cache::CreateShortNameID(CFileInfo* curDir, const char* name)
{
Bit16s foundNr = 0;
Bit16s low = 0;
Bit16s high = curDir->longNameList.size()-1;
Bit16s mid, res;
Bits foundNr = 0;
Bits low = 0;
Bits high = curDir->longNameList.size()-1;
Bits mid, res;
while (low<=high) {
mid = (low+high)/2;
@ -329,14 +322,14 @@ bool DOS_Drive_Cache::RemoveTrailingDot(char* shortname)
return false;
};
Bit16s DOS_Drive_Cache::GetLongName(CFileInfo* curDir, char* shortName)
Bits DOS_Drive_Cache::GetLongName(CFileInfo* curDir, char* shortName)
{
// Remove dot, if no extension...
RemoveTrailingDot(shortName);
// Search long name and return array number of element
Bit16s low = 0;
Bit16s high = curDir->fileList.size()-1;
Bit16s mid,res;
Bits low = 0;
Bits high = curDir->fileList.size()-1;
Bits mid,res;
while (low<=high) {
mid = (low+high)/2;
res = strcmp(shortName,curDir->fileList[mid]->shortname);
@ -365,8 +358,8 @@ bool DOS_Drive_Cache::RemoveSpaces(char* str)
void DOS_Drive_Cache::CreateShortName(CFileInfo* curDir, CFileInfo* info)
{
Bit16s len = 0;
Bit16s lenExt = 0;
Bits len = 0;
Bits lenExt = 0;
bool createShort = false;
char tmpNameBuffer[CROSS_LEN];
@ -479,7 +472,7 @@ DOS_Drive_Cache::CFileInfo* DOS_Drive_Cache::FindDirInfo(const char* path, char*
else { strcpy(dir,start); };
// Path found
Bit16s nextDir = GetLongName(curDir,dir);
Bits nextDir = GetLongName(curDir,dir);
strcat(expandedPath,dir);
// Error check
@ -567,7 +560,6 @@ void DOS_Drive_Cache::CreateEntry(CFileInfo* dir, const char* name)
CreateShortName(dir, info);
// Put file in lists
dir->fileList.push_back(info);
dir->outputList.push_back(info);
};
bool DOS_Drive_Cache::ReadDir(Bit16u id, char* &result)
@ -592,14 +584,6 @@ bool DOS_Drive_Cache::ReadDir(Bit16u id, char* &result)
}
// close dir
closedir(dirp);
// Output list - user defined
switch (sortDirType) {
case ALPHABETICAL : std::sort(dirSearch[id]->outputList.begin(), dirSearch[id]->outputList.end(), SortByName); break;
case DIRALPHABETICAL : std::sort(dirSearch[id]->outputList.begin(), dirSearch[id]->outputList.end(), SortByDirName); break;
case ALPHABETICALREV : std::sort(dirSearch[id]->outputList.begin(), dirSearch[id]->outputList.end(), SortByNameRev); break;
case DIRALPHABETICALREV : std::sort(dirSearch[id]->outputList.begin(), dirSearch[id]->outputList.end(), SortByDirNameRev); break;
case NOSORT : break;
};
// Info
/* if (!dirp) {
LOG_DEBUG("DIR: Error Caching in %s",dirPath);
@ -620,8 +604,8 @@ bool DOS_Drive_Cache::SetResult(CFileInfo* dir, char* &result, Bit16u entryNr)
static char res[CROSS_LEN];
result = res;
if (entryNr>=dir->outputList.size()) return false;
CFileInfo* info = dir->outputList[entryNr];
if (entryNr>=dir->fileList.size()) return false;
CFileInfo* info = dir->fileList[entryNr];
// copy filename, short version
strcpy(res,info->shortname);
// Set to next Entry
@ -629,6 +613,37 @@ bool DOS_Drive_Cache::SetResult(CFileInfo* dir, char* &result, Bit16u entryNr)
return true;
};
// FindFirst / FindNext
bool DOS_Drive_Cache::FindFirst(char* path, Bit16u& id)
{
// Cache directory in
if (!OpenDir(path,id)) return false;
// Find Free ID for directory copy
if (dirFindFirst) delete dirFindFirst;
dirFindFirst = new CFileInfo();
dirFindFirst->nextEntry = 0;
// Copy entries to use with FindNext
for (Bitu i=0; i<dirSearch[id]->fileList.size(); i++) {
CreateEntry(dirFindFirst,dirSearch[id]->fileList[i]->orgname);
// Sort Lists - filelist has to be alphabetically sorted, even in between (for finding double file names)
std::sort(dirFindFirst->fileList.begin(), dirFindFirst->fileList.end(), SortByName);
};
// Now re-sort the fileList accordingly to output
switch (sortDirType) {
case ALPHABETICAL : std::sort(dirFindFirst->fileList.begin(), dirFindFirst->fileList.end(), SortByName); break;
case DIRALPHABETICAL : std::sort(dirFindFirst->fileList.begin(), dirFindFirst->fileList.end(), SortByDirName); break;
case ALPHABETICALREV : std::sort(dirFindFirst->fileList.begin(), dirFindFirst->fileList.end(), SortByNameRev); break;
case DIRALPHABETICALREV : std::sort(dirFindFirst->fileList.begin(), dirFindFirst->fileList.end(), SortByDirNameRev); break;
case NOSORT : break;
};
return true;
};
bool DOS_Drive_Cache::FindNext(Bit16u& id, char* &result)
{
return SetResult(dirFindFirst, result, dirFindFirst->nextEntry);
};
// ****************************************************************************
// No Dir Cache,
// ****************************************************************************