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#pragma once
#include <QString>
#include <map>
#include <set>
#include <QStringList>
#include "tasks/Task.h"
namespace mojang_files {
using Hash = QString;
extern const Hash empty_hash;
// simple-ish path implementation. assumes always relative and does not allow '..' entries
class Path
{
public:
using parts_type = QStringList;
Path() = default;
Path(QString string) {
auto parts_in = string.split('/');
for(auto & part: parts_in) {
if(part.isEmpty() || part == ".") {
continue;
}
if(part == "..") {
if(parts.size()) {
parts.pop_back();
}
continue;
}
parts.push_back(part);
}
}
bool has_parent_path() const
{
return parts.size() > 0;
}
Path parent_path() const
{
if (parts.empty())
return Path();
return Path(parts.begin(), std::prev(parts.end()));
}
bool empty() const
{
return parts.empty();
}
int length() const
{
return parts.length();
}
bool operator==(const Path & rhs) const {
return parts == rhs.parts;
}
bool operator!=(const Path & rhs) const {
return parts != rhs.parts;
}
inline bool operator<(const Path& rhs) const
{
return compare(rhs) < 0;
}
parts_type::const_iterator begin() const
{
return parts.begin();
}
parts_type::const_iterator end() const
{
return parts.end();
}
QString toString() const {
return parts.join("/");
}
private:
Path(const parts_type::const_iterator & start, const parts_type::const_iterator & end) {
auto cursor = start;
while(cursor != end) {
parts.push_back(*cursor);
cursor++;
}
}
int compare(const Path& p) const;
parts_type parts;
};
enum class Compression {
Raw,
Lzma,
Unknown
};
struct FileSource
{
Compression compression = Compression::Unknown;
Hash hash;
QString url;
std::size_t size = 0;
void upgrade(const FileSource & other) {
if(compression == Compression::Unknown || other.size < size) {
*this = other;
}
}
bool isBad() const {
return compression == Compression::Unknown;
}
};
struct File
{
Hash hash;
bool executable;
std::uint64_t size = 0;
};
struct Package {
static Package fromInspectedFolder(const QString &folderPath);
static Package fromManifestFile(const QString &path);
static Package fromManifestContents(const QByteArray& contents);
explicit operator bool() const
{
return valid;
}
void addFolder(Path folder);
void addFile(const Path & path, const File & file);
void addLink(const Path & path, const Path & target);
void addSource(const FileSource & source);
std::map<Hash, FileSource> sources;
bool valid = true;
std::set<Path> folders;
std::map<Path, File> files;
std::map<Path, Path> symlinks;
};
struct FileDownload : FileSource
{
FileDownload(const FileSource& source, bool executable) {
static_cast<FileSource &> (*this) = source;
this->executable = executable;
}
bool executable = false;
};
struct UpdateOperations {
static UpdateOperations resolve(const Package & from, const Package & to);
bool valid = false;
std::vector<Path> deletes;
std::vector<Path> rmdirs;
std::vector<Path> mkdirs;
std::map<Path, FileDownload> downloads;
std::map<Path, Path> mklinks;
std::map<Path, bool> executable_fixes;
};
}
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