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/*
* visibility.c: Visibility classes for duplicates plugin.
*
* See the README file for copyright information and how to reach the author.
*
* $Id$
*/
#include "visibility.h"
// --- cVisibility -----------------------------------------------------------
#ifdef DEBUG_VISIBILITY
int cVisibility::getCount = 0;
int cVisibility::readCount = 0;
int cVisibility::accessCount = 0;
#endif
cVisibility::cVisibility(const char *fileName) {
hiddenFileName = AddDirectory(fileName, "duplicates.hidden");
visibility = UNKNOWN;
}
cVisibility::cVisibility(const cVisibility &Visibility) :
hiddenFileName(Visibility.hiddenFileName),
visibility(Visibility.visibility) {}
eVisibility cVisibility::Get(void) {
#ifdef DEBUG_VISIBILITY
getCount++;
#endif
return visibility;
}
void cVisibility::Set(bool visible) {
visibility = visible ? VISIBLE : HIDDEN;
}
eVisibility cVisibility::Read(void) {
#ifdef DEBUG_VISIBILITY
readCount++;
#endif
if (visibility == UNKNOWN) {
#ifdef DEBUG_VISIBILITY
accessCount++;
#endif
visibility = access(hiddenFileName, F_OK) == 0 ? HIDDEN : VISIBLE;
}
return visibility;
}
bool cVisibility::Write(bool visible) {
if (visible) {
if (remove(hiddenFileName) == 0) {
visibility = VISIBLE;
return true;
}
} else {
FILE *f = fopen(hiddenFileName, "w");
if (f) {
fclose(f);
visibility = HIDDEN;
return true;
}
}
return false;
}
#ifdef DEBUG_VISIBILITY
void cVisibility::ClearCounters(void) {
getCount = 0;
readCount = 0;
accessCount = 0;
}
#endif
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