GitTypes.h

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#ifndef GITTYPES_H
#define GITTYPES_H
 
#include "MyProcess.h"
#include "common/misc.h"
#include <QDateTime>
#include <QString>
 
#define GIT_ID_LENGTH (40)
 
struct GitRemote {
    QString name;
    QString url_fetch;
    QString url_push;
    QString ssh_key;
    bool operator < (GitRemote const &r) const
    {
        return name < r.name;
    }
    QString const &url() const
    {
        return url_fetch;
    }
    void set_url(QString const &url)
    {
        url_fetch = url;
        url_push = url;
    }
};
 
class GitHash {
private:
    bool valid_ = false;
    uint8_t id_[GIT_ID_LENGTH / 2];
    template <typename VIEW> void _assign(VIEW const &id);
public:
    GitHash();
    explicit GitHash(std::string_view const &id);
    explicit GitHash(QString const &id);
    explicit GitHash(char const *id);
    void assign(std::string_view const &id);
    void assign(const QString &id);
    QString toQString(int maxlen = -1) const;
    bool isValid() const;
    int compare(GitHash const &other) const;
    operator bool () const;
    size_t _std_hash() const;
 
    static bool isValidID(QString const &id);
 
    static bool isValidID(GitHash const &id)
    {
        return id.isValid();
    }
};
 
static inline bool operator == (GitHash const &l, GitHash const &r)
{
    return l.compare(r) == 0;
}
 
static inline bool operator < (GitHash const &l, GitHash const &r)
{
    return l.compare(r) < 0;
}
 
namespace std {
template <> class hash<GitHash> {
public:
    size_t operator () (GitHash const &h) const
    {
        return h._std_hash();
    }
};
}
 
struct GitObject {
    enum class Type { // 値は固定。packフォーマットで決まってる
        NONE = -1,
        UNKNOWN = 0,
        COMMIT = 1,
        TREE = 2,
        BLOB = 3,
        TAG = 4,
        UNDEFINED = 5,
        OFS_DELTA = 6,
        REF_DELTA = 7,
    };
    Type type = Type::NONE;
    QByteArray content;
    operator bool () const
    {
        return type != Type::NONE;
    }
};
 
struct GitFileItem {
    QString name;
    bool isdir = false;
};
 
struct GitTreeLine {
    int index;
    int depth;
    int color_number = 0;
    bool bend_early = false;
    GitTreeLine(int index = -1, int depth = -1)
        : index(index)
        , depth(depth)
    {
    }
};
 
struct GitCommitItem {
    GitHash commit_id;
    GitHash tree;
    QList<GitHash> parent_ids;
    QString author;
    QString email;
    QString message;
    QDateTime commit_date;
    std::vector<GitTreeLine> parent_lines;
    bool has_gpgsig = false;
    QString gpgsig;
    struct {
        QString text;
        char verify = 0; // git log format:%G?
        std::vector<uint8_t> key_fingerprint;
        QString trust;
    } sign;
    bool has_child = false;
    int marker_depth = -1;
    bool resolved =  false;
    bool order_fixed = false; // 時差や時計の誤差などの影響により、並び順の調整が行われたとき
    void setParents(QStringList const &list);
    operator bool () const
    {
        return commit_id;
    }
};
 
class GitCommitItemList {
private:
    std::vector<GitCommitItem> list_;
    std::map<GitHash, size_t> index_;
public:
    void setList(std::vector<GitCommitItem> &&list);
    size_t size() const;
    void resize(size_t n);
    GitCommitItem &at(size_t i);
    GitCommitItem const &at(size_t i) const;
    GitCommitItem &operator [] (size_t i);
    GitCommitItem const &operator [] (size_t i) const;
    void clear();
    bool empty() const;
    void push_front(GitCommitItem const &item);
    QString previousMessage() const;
    void updateIndex();
    int find_index(GitHash const &id) const;
    GitCommitItem *find(GitHash const &id);
    GitCommitItem const *find(GitHash const &id) const;
 
    void fixCommitLogOrder();
    void updateCommitGraph();
};
 
class GitResult {
private:
    ProcessStatus status_;
public:
    void set_exit_code(int code)
    {
        status_.exit_code = code;
    }
    void set_output(std::vector<char> const &out)
    {
        status_.output = out;
    }
    void set_error_message(std::string const &msg)
    {
        status_.error_message = msg;
    }
 
    bool ok() const
    {
        return status_.ok;
    }
    int exit_code()
    {
        return status_.exit_code;
    }
    std::vector<char> const &output() const
    {
        return status_.output;
    }
    std::string error_message() const
    {
        return status_.error_message;
    }
    std::string log_message() const
    {
        return status_.log_message;
    }
};
 
struct GitTag {
    QString name;
    GitHash id;
};
 
struct GitUser {
    QString name;
    QString email;
    operator bool () const
    {
        return misc::isValidMailAddress(email);
    }
};
 
struct GitBranch {
    QString name;
    GitHash id;
    QString remote;
    int ahead = 0;
    int behind = 0;
    enum {
        None,
        Current = 0x0001,
        HeadDetachedAt = 0x0002,
        HeadDetachedFrom = 0x0004,
    };
    int flags = 0;
    operator bool () const
    {
        return id.isValid() && !name.isEmpty();
    }
    bool isCurrent() const
    {
        return flags & Current;
    }
    bool isHeadDetached() const
    {
        return flags & HeadDetachedAt;
    }
};
 
struct GitCloneData {
    QString url;
    QString basedir;
    QString subdir;
};
 
enum class GitSource {
    Default,
    Global,
    Local,
};
 
class GitFileStatus {
public:
    enum class Code : unsigned int {
        Unknown,
        Ignored,
        Untracked,
        NotUpdated = 0x10000000,
        Staged_ = 0x20000000,
        UpdatedInIndex,
        AddedToIndex,
        DeletedFromIndex,
        RenamedInIndex,
        CopiedInIndex,
        Unmerged_ = 0x40000000,
        Unmerged_BothDeleted,
        Unmerged_AddedByUs,
        Unmerged_DeletedByThem,
        Unmerged_AddedByThem,
        Unmerged_DeletedByUs,
        Unmerged_BothAdded,
        Unmerged_BothModified,
        Tracked_ = 0xf0000000
    };
 
    struct Data {
        char code_x = 0;
        char code_y = 0;
        Code code = Code::Unknown;
        QString rawpath1;
        QString rawpath2;
        QString path1;
        QString path2;
    } data;
 
    static Code parseFileStatusCode(char x, char y);
 
    bool isStaged() const
    {
        return (int)data.code & (int)Code::Staged_;
    }
 
    bool isUnmerged() const
    {
        return (int)data.code & (int)Code::Unmerged_;
    }
 
    bool isTracked() const
    {
        return (int)data.code & (int)Code::Tracked_;
    }
 
    void parse(QString const &text);
 
    GitFileStatus() = default;
 
    GitFileStatus(QString const &text)
    {
        parse(text);
    }
 
    Code code() const
    {
        return data.code;
    }
 
    int code_x() const
    {
        return data.code_x;
    }
 
    int code_y() const
    {
        return data.code_y;
    }
 
    bool isDeleted() const
    {
        return code_x() == 'D' || code_y() == 'D';
    }
 
    QString path1() const
    {
        return data.path1;
    }
 
    QString path2() const
    {
        return data.path2;
    }
 
    QString rawpath1() const
    {
        return data.rawpath1;
    }
 
    QString rawpath2() const
    {
        return data.rawpath2;
    }
};
 
enum class GitMergeFastForward {
    Default,
    No,
    Only,
};
 
struct GitSubmoduleItem {
    QString name;
    GitHash id;
    QString path;
    QString refs;
    QString url;
    operator bool () const
    {
        return id.isValid() && !path.isEmpty();
    }
};
 
struct GitSubmoduleUpdateData {
    bool init = true;
    bool recursive = true;
};
 
struct GitDiffRaw {
    struct AB {
        QString id;
        QString mode;
    } a, b;
    QString state;
    QStringList files;
};
 
struct GitReflogItem {
    QString id;
    QString head;
    QString command;
    QString message;
    struct File {
        QString atts_a;
        QString atts_b;
        QString id_a;
        QString id_b;
        QString type;
        QString path;
    };
    QList<File> files;
};
 
enum GitSignPolicy {
    Unset,
    False,
    True,
};
 
enum class GitSignatureGrade {
    NoSignature,
    Unknown,
    Good,
    Dubious,
    Missing,
    Bad,
};
 
class GitHunk {
public:
    std::string at;
    std::vector<std::string> lines;
};
 
class GitDiff {
public:
    enum class Type {
        Unknown,
        Modify,
        Copy,
        Rename,
        Create,
        Delete,
        ChType,
        Unmerged,
    };
    Type type = Type::Unknown;
    QString diff;
    QString index;
    QString path;
    QString mode;
    struct BLOB_AB_ {
        QString a_id_or_path; // コミットIDまたはファイルパス。パスのときは PATH_PREFIX（'*'）で始まる
        QString b_id_or_path;
    } blob;
    QList<GitHunk> hunks;
    struct SubmoduleDetail {
        GitSubmoduleItem item;
        GitCommitItem commit;
    } a_submodule, b_submodule;
    GitDiff() = default;
    GitDiff(QString const &id, QString const &path, QString const &mode);
    bool isSubmodule() const;
private:
    void makeForSingleFile(GitDiff *diff, QString const &id_a, QString const &id_b, QString const &path, QString const &mode);
};
 
QString gitTrimPath(QString const &s);
 
#endif // GITTYPES_H