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/*
Copyright (C) 2001 Stefan Westerfeld
stefan@space.twc.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <dirent.h>
#include "soundserver.h"
#include "debug.h"
using namespace Arts;
using namespace std;
namespace Arts {
class SampleStorageEntry_impl : public SampleStorageEntry_skel {
protected:
string _name, _filename;
bool _completed;
FILE *file;
public:
SampleStorageEntry_impl(const string& name, const string& filename)
{
_name = name;
_filename = filename;
_completed = false;
file = fopen(_filename.c_str(),"w");
}
~SampleStorageEntry_impl()
{
if(file)
{
fclose(file);
file = 0;
}
unlink(_filename.c_str());
}
string name() { return _name; }
string filename() { return _filename; }
bool completed() { return _completed; }
void write(const vector<mcopbyte>& data)
{
arts_return_if_fail(file != 0);
fwrite(&data[0],1,data.size(),file);
}
void finish()
{
arts_return_if_fail(file != 0);
fclose(file);
file = 0;
_completed = true;
}
};
class SampleStorage_impl : public SampleStorage_skel {
protected:
string directory;
long uniqueID;
vector<SampleStorageEntry> entries;
public:
SampleStorage_impl()
{
uniqueID = 1;
}
void constructor(const string& newDirectory, bool clearOnInit)
{
arts_return_if_fail(directory.empty());
directory = newDirectory;
mkdir(directory.c_str(),0700);
if(clearOnInit) clear();
}
void clear()
{
DIR *dir = opendir(directory.c_str());
if(!dir) return;
struct dirent *de;
while((de = readdir(dir)) != 0)
{
string currentEntry = directory + "/" + de->d_name;
if(de->d_name[0] != '.')
{
unlink(currentEntry.c_str());
}
}
closedir(dir);
}
string encodeName(const string& name)
{
string::const_iterator i;
string result;
for(i = name.begin(); i != name.end(); i++)
{
unsigned char c = *i;
if ((c >= 'a' && c <= 'z') ||
(c >= 'A' && c <= 'Z') ||
(c >= '0' && c <= '9') ||
c == '_' || c == '-')
{
result += c;
}
else
{
char hex[17] = "0123456789ABCDEF";
result += '=';
result += hex[(c >> 4) & 0xf];
result += hex[c & 0xf];
}
}
return result;
}
SampleStorageEntry createEntry(const string& name)
{
char uniqueprefix[32];
sprintf(uniqueprefix,"s%ld-",uniqueID++);
string filename = directory + string("/")
+ uniqueprefix + encodeName(name);
return SampleStorageEntry::_from_base(
new SampleStorageEntry_impl(name, filename)
);
}
SampleStorageEntry findEntry(const string& name)
{
vector<SampleStorageEntry>::iterator i;
for(i = entries.begin(); i != entries.end(); i++)
if(i->name() == name) return *i;
return SampleStorageEntry::null();
}
void addEntry(SampleStorageEntry entry)
{
arts_return_if_fail(!entry.isNull());
/* remove the old entry for that name, if any */
SampleStorageEntry oldEntry = findEntry(entry.name());
if(!oldEntry.isNull())
removeEntry(oldEntry);
/* add the new entry */
entries.push_back(entry);
}
void removeEntry(SampleStorageEntry entry)
{
arts_return_if_fail(!entry.isNull());
vector<SampleStorageEntry>::iterator i;
for(i = entries.begin(); i != entries.end(); i++)
{
if(i->name() == entry.name())
{
entries.erase(i);
return;
}
}
arts_warning("SampleStorage::removeEntry(%s) failed\n",
entry.name().c_str());
}
};
REGISTER_IMPLEMENTATION(SampleStorage_impl);
}
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