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[Filebrowser] Added filtering.

This commit is contained in:
profi200 2020-07-11 23:09:01 +02:00
parent 5c6a650ebf
commit 8f7f10c519
No known key found for this signature in database
GPG Key ID: 17B42AE5911139F3
1 changed files with 19 additions and 15 deletions
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34
source/arm11/filebrowser.c
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@ -40,38 +40,42 @@ static size_t safeStrcpy(char *const dst, const char *const src, size_t num)
return len;
}
static Result scanDir(const char *const path, DirList *const dList)
static Result scanDir(const char *const path, DirList *const dList, const char *const filter)
{
FILINFO *const fi = (FILINFO*)malloc(DIR_READ_BLOCKS * sizeof(FILINFO));
FILINFO *const fi = (FILINFO*)malloc(sizeof(FILINFO) * DIR_READ_BLOCKS);
if(fi == NULL) return RES_OUT_OF_MEM;
memset(dList, 0, sizeof(DirList));
dList->num = 0;
Result res;
DHandle dh;
if((res = fOpenDir(&dh, path)) == RES_OK)
{
u32 read;
u32 totalRead = 0;
u32 dListPos = 0;
const u32 filterLen = strlen(filter);
do
{
if((res = fReadDir(dh, fi, DIR_READ_BLOCKS, &read)) != RES_OK) break;
if(totalRead + read > MAX_DIR_ENTRIES) break;
if(dListPos + read > MAX_DIR_ENTRIES) break;
for(u32 i = 0; i < read; i++)
{
const u32 dListPos = totalRead + i;
const u8 isDir = (fi[i].fattrib & AM_DIR ? 1u : 0u);
if(isDir == 0) // File
{
const u32 entLen = strlen(fi[i].fname);
if(entLen <= filterLen || strcmp(filter, fi[i].fname + entLen - filterLen) != 0)
continue;
}
dList->strPtrs[dListPos] = dList->strBufs[dListPos];
// Mark as dir.
if(fi[i].fattrib & AM_DIR) dList->entTypes[dListPos] = 1;
dList->entTypes[dListPos] = isDir;
safeStrcpy(dList->strBufs[dListPos], fi[i].fname, 256);
dListPos++;
}
totalRead += read;
} while(read == DIR_READ_BLOCKS);
dList->num = totalRead;
dList->num = dListPos;
fCloseDir(dh);
}
@ -109,7 +113,7 @@ Result browseFiles(const char *const basePath, char selected[512])
if(dList == NULL) return RES_OUT_OF_MEM;
Result res;
if((res = scanDir(curDir, dList)) != RES_OK) goto end;
if((res = scanDir(curDir, dList, ".gba")) != RES_OK) goto end;
showDirList(dList, 0);
s32 cursorPos = 0; // Within the entire list.
@ -179,7 +183,7 @@ Result browseFiles(const char *const basePath, char selected[512])
}
}
if((res = scanDir(curDir, dList)) != RES_OK) break;
if((res = scanDir(curDir, dList, ".gba")) != RES_OK) break;
cursorPos = 0;
windowPos = 0;
showDirList(dList, 0);