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#include <Ice/ObjectAdapter.h>
#include <sys/stat.h>
#include "blob.h"
#include "repo.h"
GitFS::Blob::Blob(const Repo * r, const std::string & path) :
repo(r),
entry(getTreeEntry(path)),
blob(getBlob()),
blobSize(git_blob_rawsize(blob.get())),
blobContent(static_cast<const char *>(git_blob_rawcontent(blob.get())))
{
}
GitFS::Git::TreeEntryPtr
GitFS::Blob::getTreeEntry(const std::string & path) const
{
try {
return Git::TreeEntryByPath(repo->tree, path);
}
catch (const Git::Error & e) {
Git::ErrorToSystemError(e);
}
}
GitFS::Git::BlobPtr
GitFS::Blob::getBlob() const
{
const auto mode = git_tree_entry_filemode(entry.get());
if (S_ISDIR(mode)) throw NetFS::SystemError(EISDIR);
if (S_ISLNK(mode)) throw NetFS::SystemError(ELOOP);
return Git::BlobLookup(repo->repo, *git_tree_entry_id(entry.get()));
}
void
GitFS::Blob::close(const ::Ice::Current& current)
{
current.adapter->remove(current.id);
}
NetFS::Attr
GitFS::Blob::fgetattr(ReqEnv, const ::Ice::Current&)
{
NetFS::Attr a;
a << *blob << *entry << *repo->commit;
a.gid = a.uid = "root";
return a;
}
NetFS::Buffer
GitFS::Blob::read(long long int offset, long long int size, const ::Ice::Current&)
{
if (offset > blobSize) {
return {};
}
auto len = std::min(blobSize - offset, size);
return NetFS::Buffer(blobContent + offset, blobContent + offset + len);
}
void
GitFS::Blob::ftruncate(ReqEnv, long long int, const ::Ice::Current&)
{
throw NetFS::SystemError(EROFS);
}
void
GitFS::Blob::write(long long int, long long int, Buffer, const ::Ice::Current&)
{
throw NetFS::SystemError(EROFS);
}
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