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Added a public method FileLogger::trimFileSize()

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This commit is contained in:
jules 2014-11-28 10:40:08 +00:00
parent 2b73de8794
commit 209e91ed8d
2 changed files with 12 additions and 8 deletions
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12
modules/juce_core/logging/juce_FileLogger.cpp
View file

@ -32,7 +32,7 @@ FileLogger::FileLogger (const File& file,
: logFile (file)
{
if (maxInitialFileSizeBytes >= 0)
trimFileSize (maxInitialFileSizeBytes);
trimFileSize (logFile, maxInitialFileSizeBytes);
if (! file.exists())
file.create(); // (to create the parent directories)
@ -57,23 +57,23 @@ void FileLogger::logMessage (const String& message)
out << message << newLine;
}
void FileLogger::trimFileSize (int64 maxFileSizeBytes) const
void FileLogger::trimFileSize (const File& file, int64 maxFileSizeBytes)
{
if (maxFileSizeBytes <= 0)
{
logFile.deleteFile();
file.deleteFile();
}
else
{
const int64 fileSize = logFile.getSize();
const int64 fileSize = file.getSize();
if (fileSize > maxFileSizeBytes)
{
TemporaryFile tempFile (logFile);
TemporaryFile tempFile (file);
{
FileOutputStream out (tempFile.getFile());
FileInputStream in (logFile);
FileInputStream in (file);
if (! (out.openedOk() && in.openedOk()))
return;

8
modules/juce_core/logging/juce_FileLogger.h
View file

@ -121,13 +121,17 @@ public:
// (implementation of the Logger virtual method)
void logMessage (const String&);
//==============================================================================
/** This is a utility function which removes lines from the start of a text
file to make sure that its total size is below the given size.
*/
static void trimFileSize (const File& file, int64 maxFileSize);
private:
//==============================================================================
File logFile;
CriticalSection logLock;
void trimFileSize (int64 maxFileSizeBytes) const;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FileLogger)
};