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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "diffeditor_global.h"
#include "diffenums.h"
#include <utils/algorithm.h>
#include <QMap>
#include <QString>
#include <array>
QT_BEGIN_NAMESPACE
class QFutureInterfaceBase;
QT_END_NAMESPACE
namespace Utils { class Diff; }
namespace DiffEditor {
class DIFFEDITOR_EXPORT DiffFileInfo {
public:
enum PatchBehaviour {
PatchFile,
PatchEditor
};
DiffFileInfo() = default;
DiffFileInfo(const QString &file, const QString &type = {})
: fileName(file), typeInfo(type) {}
QString fileName;
QString typeInfo;
PatchBehaviour patchBehaviour = PatchFile;
};
using DiffFileInfoArray = std::array<DiffFileInfo, SideCount>;
class DiffChunkInfo {
public:
int chunkIndexForBlockNumber(int blockNumber) const;
int chunkRowForBlockNumber(int blockNumber) const;
int chunkRowsCountForBlockNumber(int blockNumber) const;
void setChunkIndex(int startBlockNumber, int blockCount, int chunkIndex) {
m_chunkInfo.insert(startBlockNumber, {blockCount, chunkIndex});
}
private:
// start block number, block count of a chunk, chunk index inside a file.
QMap<int, QPair<int, int>> m_chunkInfo;
};
class DIFFEDITOR_EXPORT TextLineData {
public:
enum TextLineType {
TextLine,
Separator,
Invalid
};
TextLineData() = default;
TextLineData(const QString &txt) : text(txt), textLineType(TextLine) {}
TextLineData(TextLineType t) : textLineType(t) {}
QString text;
/*
* <start position, end position>
* <-1, n> means this is a continuation from the previous line
* <n, -1> means this will be continued in the next line
* <-1, -1> the whole line is a continuation (from the previous line to the next line)
*/
QMap<int, int> changedPositions; // counting from the beginning of the line
TextLineType textLineType = Invalid;
};
class DIFFEDITOR_EXPORT RowData {
public:
RowData() = default;
RowData(const TextLineData &l)
: line({l, l}), equal(true) {}
RowData(const TextLineData &l, const TextLineData &r)
: line({l, r}) {}
std::array<TextLineData, SideCount> line{};
bool equal = false;
};
class DIFFEDITOR_EXPORT ChunkData {
public:
QList<RowData> rows;
QString contextInfo;
std::array<int, SideCount> startingLineNumber{};
bool contextChunk = false;
};
class DIFFEDITOR_EXPORT ChunkSelection {
public:
ChunkSelection() = default;
ChunkSelection(const QList<int> &left, const QList<int> &right)
: selection({left, right}) {}
bool isNull() const { return Utils::allOf(selection, &QList<int>::isEmpty); }
int selectedRowsCount() const;
std::array<QList<int>, SideCount> selection{};
};
class DIFFEDITOR_EXPORT FileData {
public:
enum FileOperation {
ChangeFile,
ChangeMode,
NewFile,
DeleteFile,
CopyFile,
RenameFile
};
FileData() = default;
FileData(const ChunkData &chunkData) { chunks.append(chunkData); }
QList<ChunkData> chunks;
DiffFileInfoArray fileInfo{};
FileOperation fileOperation = ChangeFile;
bool binaryFiles = false;
bool lastChunkAtTheEndOfFile = false;
bool contextChunksIncluded = false;
};
class DIFFEDITOR_EXPORT DiffUtils {
public:
static ChunkData calculateOriginalData(const QList<Utils::Diff> &leftDiffList,
const QList<Utils::Diff> &rightDiffList);
static FileData calculateContextData(const ChunkData &originalData,
int contextLineCount,
int joinChunkThreshold = 1);
static QString makePatchLine(const QChar &startLineCharacter,
const QString &textLine,
bool lastChunk,
bool lastLine);
static QString makePatch(const ChunkData &chunkData,
bool lastChunk = false);
static QString makePatch(const ChunkData &chunkData,
const QString &leftFileName,
const QString &rightFileName,
bool lastChunk = false);
static QString makePatch(const QList<FileData> &fileDataList);
static QList<FileData> readPatch(const QString &patch,
bool *ok = nullptr,
QFutureInterfaceBase *jobController = nullptr);
};
} // namespace DiffEditor
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