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#include <precomp.h>
#include "fileread.h"
#include <api/service/svc_enum.h>
void *FileReaders::open(const wchar_t *filename, const wchar_t *mode) {
int m=0;
const wchar_t *p=mode;
wchar_t c;
while(c=*(p++))
{
switch(c)
{
case 'r': m=SvcFileReader::READ; break;
case 'w': m=SvcFileReader::WRITE; break;
case 'a': m=SvcFileReader::APPEND; break;
case '+': m|=SvcFileReader::PLUS; break;
case 'b': m|=SvcFileReader::BINARY; break;
case 't': m|=SvcFileReader::TEXT; break;
}
}
return FileReaderEnum(filename, m).getFirst();
}
void FileReaders::close(void *handle)
{
svc_fileReader *fr=(svc_fileReader *)handle;
fr->close();
SvcEnum::release(fr);
}
size_t FileReaders::read(void *buffer, size_t size, void *handle)
{
svc_fileReader *fr=(svc_fileReader *)handle;
return fr->read((int8_t *)buffer,size);
}
size_t FileReaders::write(const void *buffer, size_t size, void *handle)
{
svc_fileReader *fr=(svc_fileReader *)handle;
return fr->write((int8_t *)buffer,size);
}
int FileReaders::seek(int64_t offset, int origin, void *handle)
{
svc_fileReader *fr=(svc_fileReader *)handle;
if(!fr->canSeek()) return -1;
if(origin==SEEK_SET) return fr->seek(offset);
if(origin==SEEK_CUR) return fr->seek(fr->getPos()+offset);
return fr->seek(fr->getLength()-offset);
}
uint64_t FileReaders::tell(void *handle)
{
svc_fileReader *fr=(svc_fileReader *)handle;
return fr->getPos();
}
uint64_t FileReaders::getFileSize(void *handle)
{
svc_fileReader *fr=(svc_fileReader *)handle;
return fr->getLength();
}
int FileReaders::exists(const wchar_t *filename) {
// Note that we do not do a system lock on the service since we can just
// release it directly via the factory
waService *s;
for(int i=0;s=WASABI_API_SVC->service_enumService(WaSvc::FILEREADER,i);i++) {
svc_fileReader *fr=(svc_fileReader *)s->getInterface(FALSE);
if(fr->isMine(filename) == 1 || fr->open(filename)) {
int ret=fr->exists(filename);
fr->close();
s->releaseInterface(fr); fr = NULL;
return ret;
}
s->releaseInterface(fr); fr = NULL;
}
return 0;
}
int FileReaders::remove(const wchar_t *filename) {
// Note that we do not do a system lock on the service since we can just
// release it directly via the factory
waService *s;
for(int i=0;s=WASABI_API_SVC->service_enumService(WaSvc::FILEREADER,i);i++) {
svc_fileReader *fr=(svc_fileReader *)s->getInterface(FALSE);
if (fr->isMine(filename) == 1 || fr->open(filename)) {
fr->close();
int ret = fr->remove(filename);
s->releaseInterface(fr); fr = NULL;
return ret;
}
s->releaseInterface(fr); fr = NULL;
}
return 0;
}
int FileReaders::removeUndoable(const wchar_t *filename) {
// Note that we do not do a system lock on the service since we can just
// release it directly via the factory
waService *s;
for(int i=0;s=WASABI_API_SVC->service_enumService(WaSvc::FILEREADER,i);i++) {
svc_fileReader *fr=(svc_fileReader *)s->getInterface(FALSE);
if(fr->isMine(filename) == 1 || fr->open(filename)) {
fr->close();
int ret = fr->removeUndoable(filename);
s->releaseInterface(fr); fr = NULL;
return ret;
}
s->releaseInterface(fr); fr = NULL;
}
return 0;
}
int FileReaders::move(const wchar_t *filename, const wchar_t *destfilename) {
// Note that we do not do a system lock on the service since we can just
// release it directly via the factory
waService *s;
for(int i=0;s=WASABI_API_SVC->service_enumService(WaSvc::FILEREADER,i);i++) {
svc_fileReader *fr=(svc_fileReader *)s->getInterface(FALSE);
if(fr->isMine(filename) == 1 || fr->open(filename)) {
fr->close();
int ret = fr->move(filename,destfilename);
s->releaseInterface(fr); fr = NULL;
return ret;
}
s->releaseInterface(fr); fr = NULL;
}
return 0;
}
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