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#include "writer.h"
#include <library/cpp/json/json_value.h>
#include <library/cpp/json/json_writer.h>
#include <util/string/join.h>
#include <contrib/libs/libarchive/libarchive/archive.h>
#include <contrib/libs/libarchive/libarchive/archive_entry.h>
using namespace NJson;
namespace NZipatch {
class TWriter::TImpl {
public:
TImpl(const TFsPath& path)
: Actions_(new TJsonValue(JSON_ARRAY))
, Meta_(new TJsonValue(JSON_MAP))
, Revprops_(new TJsonValue(JSON_MAP))
, Archive_(nullptr)
{
Archive_ = archive_write_new();
if (!Archive_) {
ythrow yexception() << "can't create archive object";
}
archive_write_set_format_zip(Archive_);
archive_write_zip_set_compression_deflate(Archive_);
if (ARCHIVE_OK != archive_write_open_filename(Archive_, TString(path).c_str())) {
ythrow yexception() << "can't open archive path = " << path;
}
}
~TImpl() {
if (Actions_ || Meta_ || Revprops_) {
Finish();
}
if (Archive_) {
archive_write_free(Archive_);
}
}
void Finish() {
if (Actions_) {
if (Archive_) {
WriteEntry("actions.json", WriteJson(Actions_.Get(), true, false));
}
Actions_.Destroy();
}
if (Meta_) {
if (Archive_) {
WriteEntry("meta.json", WriteJson(Meta_.Get(), true));
}
Meta_.Destroy();
}
if (Revprops_) {
if (Archive_) {
WriteEntry("revprops.json", WriteJson(Revprops_.Get(), true));
}
Revprops_.Destroy();
}
if (Archive_) {
archive_write_close(Archive_);
}
}
void Copy(const TString& path, const TOrigin& origin) {
Y_ASSERT(origin.Path);
Y_ASSERT(origin.Revision);
if (Actions_) {
TJsonValue item;
item["type"] = "svn_copy";
item["path"] = path;
item["orig_path"] = origin.Path;
item["orig_revision"] = origin.Revision;
Actions_->AppendValue(item);
}
}
void MkDir(const TString& path) {
if (Actions_) {
TJsonValue item;
item["type"] = "mkdir";
item["path"] = path;
Actions_->AppendValue(item);
}
}
void RemoveFile(const TString& path) {
if (Actions_) {
TJsonValue item;
item["type"] = "remove_file";
item["path"] = path;
Actions_->AppendValue(item);
}
}
void RemoveTree(const TString& path) {
if (Actions_) {
TJsonValue item;
item["type"] = "remove_tree";
item["path"] = path;
Actions_->AppendValue(item);
}
}
void StoreFile(
const TString& path,
const TString& data,
const bool execute,
const bool symlink,
const TMaybe<bool> binaryHint,
const TMaybe<bool> encrypted)
{
if (Actions_) {
const TString file = Join("/", "files", path);
TJsonValue item;
item["type"] = "store_file";
item["executable"] = execute;
item["path"] = path;
item["file"] = file;
if (binaryHint.Defined()) {
item["binary_hint"] = *binaryHint;
}
if (encrypted.Defined()) {
item["encrypted"] = *encrypted;
}
Actions_->AppendValue(item);
WriteEntry(file, data, symlink);
}
}
void SetBaseSvnRevision(ui64 revision) {
if (Meta_) {
(*Meta_)["base_svn_revision"] = revision;
}
}
void AddRevprop(const TString& prop, const TString& value) {
if (Revprops_) {
(*Revprops_)[prop] = value;
}
}
private:
void WriteEntry(
const TString& path,
const TString& data,
const bool symlink = false)
{
struct archive_entry* const entry = archive_entry_new();
// Write header.
archive_entry_set_pathname(entry, path.c_str());
archive_entry_set_size(entry, data.size());
archive_entry_set_filetype(entry, symlink ? AE_IFLNK : AE_IFREG);
archive_entry_set_perm(entry, 0644);
if (symlink) {
archive_entry_set_symlink(entry, data.c_str());
}
archive_write_header(Archive_, entry);
// Write data.
// If entry is symlink then entry size become zero.
if (archive_entry_size(entry) > 0) {
archive_write_data(Archive_, data.data(), data.size());
}
archive_entry_free(entry);
}
private:
THolder<NJson::TJsonValue> Actions_;
THolder<NJson::TJsonValue> Meta_;
THolder<NJson::TJsonValue> Revprops_;
struct archive* Archive_;
};
TWriter::TWriter(const TFsPath& path)
: Impl_(new TImpl(path))
{
}
TWriter::~TWriter()
{ }
void TWriter::Finish() {
Impl_->Finish();
}
void TWriter::SetBaseSvnRevision(ui64 revision) {
Impl_->SetBaseSvnRevision(revision);
}
void TWriter::AddRevprop(const TString& prop, const TString& value) {
Impl_->AddRevprop(prop, value);
}
void TWriter::Copy(const TString& path, const TOrigin& origin) {
Impl_->Copy(path, origin);
}
void TWriter::MkDir(const TString& path) {
Impl_->MkDir(path);
}
void TWriter::RemoveFile(const TString& path) {
Impl_->RemoveFile(path);
}
void TWriter::RemoveTree(const TString& path) {
Impl_->RemoveTree(path);
}
void TWriter::StoreFile(
const TString& path,
const TString& data,
const bool execute,
const bool symlink,
const TMaybe<bool> binaryHint,
const TMaybe<bool> encrypted)
{
Impl_->StoreFile(path, data, execute, symlink, binaryHint, encrypted);
}
} // namespace NZipatch
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