Class UnifiedDiffReader

java.lang.Object

com.github.difflib.unifieddiff.UnifiedDiffReader

public final class UnifiedDiffReader
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) final class	UnifiedDiffReader.UnifiedDiffLine

Field Summary

Fields

Modifier and Type	Field	Description
private UnifiedDiffFile	actualFile
private int	addLineIdx
private List<Integer>	addLineIdxList
private final UnifiedDiffReader.UnifiedDiffLine	CHUNK
private final UnifiedDiff	data
private final UnifiedDiffReader.UnifiedDiffLine	DELETED_FILE_MODE
private int	delLineIdx
private List<Integer>	delLineIdxList
private final UnifiedDiffReader.UnifiedDiffLine	DIFF_COMMAND
private final UnifiedDiffReader.UnifiedDiffLine	FROM_FILE
private final UnifiedDiffReader.UnifiedDiffLine	INDEX
private final UnifiedDiffReader.UnifiedDiffLine	LINE_ADD
private final UnifiedDiffReader.UnifiedDiffLine	LINE_DEL
private final UnifiedDiffReader.UnifiedDiffLine	LINE_NORMAL
private static final Logger	LOG
private final UnifiedDiffReader.UnifiedDiffLine	NEW_FILE_MODE
private int	new_ln
private int	new_size
private int	old_ln
private int	old_size
private List<String>	originalTxt
private final InternalUnifiedDiffReader	READER
private final UnifiedDiffReader.UnifiedDiffLine	RENAME_FROM
private final UnifiedDiffReader.UnifiedDiffLine	RENAME_TO
private List<String>	revisedTxt
private final UnifiedDiffReader.UnifiedDiffLine	SIMILARITY_INDEX
(package private) static final Pattern	TIMESTAMP_REGEXP
private final UnifiedDiffReader.UnifiedDiffLine	TO_FILE
(package private) static final Pattern	UNIFIED_DIFF_CHUNK_REGEXP

Constructor Summary

Constructors

Constructor	Description
UnifiedDiffReader(Reader reader)

Method Summary

Modifier and Type	Method	Description
private String	checkForNoNewLineAtTheEndOfTheFile(String line)
private String	extractFileName(String _line)
private String	extractTimestamp(String line)
private void	finalizeChunk()
private void	initFileIfNecessary()
private UnifiedDiff	parse()
(package private) static String[]	parseFileNames(String line)
static UnifiedDiff	parseUnifiedDiff(InputStream stream)	To parse a diff file use this method.
private void	processAddLine(MatchResult match, String line)
private void	processChunk(MatchResult match, String chunkStart)
private void	processDeletedFileMode(MatchResult match, String line)
private void	processDelLine(MatchResult match, String line)
private void	processDiff(MatchResult match, String line)
private void	processFromFile(MatchResult match, String line)
private void	processIndex(MatchResult match, String line)
private boolean	processLine(String line, UnifiedDiffReader.UnifiedDiffLine... rules)
private void	processNewFileMode(MatchResult match, String line)
private void	processNormalLine(MatchResult match, String line)
private void	processRenameFrom(MatchResult match, String line)
private void	processRenameTo(MatchResult match, String line)
private void	processSimilarityIndex(MatchResult match, String line)
private void	processToFile(MatchResult match, String line)
private static Integer	toInteger(MatchResult match, int group, int defValue)
private boolean	validLine(String line, UnifiedDiffReader.UnifiedDiffLine... rules)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

UNIFIED_DIFF_CHUNK_REGEXP

static final Pattern UNIFIED_DIFF_CHUNK_REGEXP

TIMESTAMP_REGEXP

static final Pattern TIMESTAMP_REGEXP

READER

private final InternalUnifiedDiffReader READER

data

private final UnifiedDiff data

DIFF_COMMAND

private final UnifiedDiffReader.UnifiedDiffLine DIFF_COMMAND

SIMILARITY_INDEX

private final UnifiedDiffReader.UnifiedDiffLine SIMILARITY_INDEX

INDEX

private final UnifiedDiffReader.UnifiedDiffLine INDEX

FROM_FILE

private final UnifiedDiffReader.UnifiedDiffLine FROM_FILE

TO_FILE

private final UnifiedDiffReader.UnifiedDiffLine TO_FILE

RENAME_FROM

private final UnifiedDiffReader.UnifiedDiffLine RENAME_FROM

RENAME_TO

private final UnifiedDiffReader.UnifiedDiffLine RENAME_TO

NEW_FILE_MODE

private final UnifiedDiffReader.UnifiedDiffLine NEW_FILE_MODE

DELETED_FILE_MODE

private final UnifiedDiffReader.UnifiedDiffLine DELETED_FILE_MODE

CHUNK

private final UnifiedDiffReader.UnifiedDiffLine CHUNK

LINE_NORMAL

private final UnifiedDiffReader.UnifiedDiffLine LINE_NORMAL

LINE_DEL

private final UnifiedDiffReader.UnifiedDiffLine LINE_DEL

LINE_ADD

private final UnifiedDiffReader.UnifiedDiffLine LINE_ADD

actualFile

private UnifiedDiffFile actualFile

LOG

private static final Logger LOG

originalTxt

private List<String> originalTxt

revisedTxt

private List<String> revisedTxt

addLineIdxList

private List<Integer> addLineIdxList

delLineIdxList

private List<Integer> delLineIdxList

old_ln

private int old_ln

old_size

private int old_size

new_ln

private int new_ln

new_size

private int new_size

delLineIdx

private int delLineIdx

addLineIdx

private int addLineIdx

Constructor Details

UnifiedDiffReader

UnifiedDiffReader(Reader reader)

Method Details

parse

private UnifiedDiff parse()
                   throws IOException,
UnifiedDiffParserException

Throws:

IOException

UnifiedDiffParserException

checkForNoNewLineAtTheEndOfTheFile

private String checkForNoNewLineAtTheEndOfTheFile(String line)
                                           throws IOException

Throws:

IOException

parseFileNames

static String[] parseFileNames(String line)

parseUnifiedDiff

public static UnifiedDiff parseUnifiedDiff(InputStream stream)
                                    throws IOException,
UnifiedDiffParserException

To parse a diff file use this method.

Parameters:

stream - This is the diff file data.

Returns:

In a UnifiedDiff structure this diff file data is returned.

Throws:

IOException

UnifiedDiffParserException

processLine

private boolean processLine(String line,
 UnifiedDiffReader.UnifiedDiffLine... rules)
                     throws UnifiedDiffParserException

Throws:

UnifiedDiffParserException

validLine

private boolean validLine(String line,
 UnifiedDiffReader.UnifiedDiffLine... rules)

initFileIfNecessary

private void initFileIfNecessary()

processDiff

private void processDiff(MatchResult match,
 String line)

processSimilarityIndex

private void processSimilarityIndex(MatchResult match,
 String line)

finalizeChunk

private void finalizeChunk()

processNormalLine

private void processNormalLine(MatchResult match,
 String line)

processAddLine

private void processAddLine(MatchResult match,
 String line)

processDelLine

private void processDelLine(MatchResult match,
 String line)

processChunk

private void processChunk(MatchResult match,
 String chunkStart)

toInteger

private static Integer toInteger(MatchResult match,
 int group,
 int defValue)
                          throws NumberFormatException

Throws:

NumberFormatException

processIndex

private void processIndex(MatchResult match,
 String line)

processFromFile

private void processFromFile(MatchResult match,
 String line)

processToFile

private void processToFile(MatchResult match,
 String line)

processRenameFrom

private void processRenameFrom(MatchResult match,
 String line)

processRenameTo

private void processRenameTo(MatchResult match,
 String line)

processNewFileMode

private void processNewFileMode(MatchResult match,
 String line)

processDeletedFileMode

private void processDeletedFileMode(MatchResult match,
 String line)

extractFileName

private String extractFileName(String _line)

extractTimestamp

private String extractTimestamp(String line)