/// <summary>
/// Adds a new or existing Tree with the specified name to this tree.
/// Trees are added if necessary as the name may contain '/':s.
/// </summary>
/// <param name="s"> an array containing the name </param>
/// <param name="offset"> when the name starts in the tree.</param>
/// <returns>A <seealso cref="FileTreeEntry"/> for the added tree.</returns>
/// <exception cref="IOException"></exception>
public Tree AddTree(byte[] s, int offset)
{
int slash;
for (slash = offset; slash < s.Length && s[slash] != '/'; slash++)
{
// search for path component terminator
}
EnsureLoaded();
int p = BinarySearch(_contents, s, (byte)'/', offset, slash);
if (p >= 0 && slash < s.Length && _contents[p] is Tree)
{
return(((Tree)_contents[p]).AddTree(s, slash + 1));
}
byte[] newName = SubString(s, offset, slash);
if (p >= 0)
{
throw new EntryExistsException(RawParseUtils.decode(newName));
}
Tree t = new Tree(this, newName);
InsertEntry(p, t);
return(slash == s.Length ? t : t.AddTree(s, slash + 1));
}
public Entry(byte[] raw, int pos)
{
oldId = ObjectId.FromString(raw, pos);
pos += Constants.OBJECT_ID_STRING_LENGTH;
if (raw[pos++] != ' ')
{
throw new ArgumentException("Raw log message does not parse as log entry");
}
newId = ObjectId.FromString(raw, pos);
pos += Constants.OBJECT_ID_STRING_LENGTH;
if (raw[pos++] != ' ')
{
throw new ArgumentException("Raw log message does not parse as log entry");
}
who = RawParseUtils.parsePersonIdentOnly(raw, pos);
int p0 = RawParseUtils.next(raw, pos, (byte)'\t');
if (p0 == -1)
{
throw new ArgumentException("Raw log message does not parse as log entry");
}
int p1 = RawParseUtils.nextLF(raw, p0);
if (p1 == -1)
{
throw new ArgumentException("Raw log message does not parse as log entry");
}
comment = RawParseUtils.decode(raw, p0, p1 - 1);
}
/// <summary>
/// The constructor from commit and path
/// </summary>
/// <param name="base">The base configuration file</param>
/// <param name="commit">The commit that contains the object</param>
/// <param name="path">The path within the tree of the commit</param>
/// <exception cref="FileNotFoundException">
/// the path does not exist in the commit's tree.
/// </exception>
/// <exception cref="IOException">
/// the tree and/or blob cannot be accessed.
/// </exception>
/// <exception cref="ConfigInvalidException">
/// the blob is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, Commit commit, string path)
: base(@base)
{
if (commit == null)
{
throw new System.ArgumentNullException("commit");
}
ObjectId treeId = commit.TreeId;
Repository r = commit.Repository;
TreeWalk.TreeWalk tree = TreeWalk.TreeWalk.ForPath(r, path, treeId);
if (tree == null)
{
throw new FileNotFoundException("Entry not found by path: " + path);
}
ObjectId blobId = tree.getObjectId(0);
ObjectLoader loader = tree.Repository.OpenBlob(blobId);
if (loader == null)
{
throw new IOException("Blob not found: " + blobId + " for path: " + path);
}
fromText(RawParseUtils.decode(loader.Bytes));
}
public string ReadString()
{
int len = ReadLength();
if (len == 0)
{
return(END);
}
len -= 4; // length header (4 bytes)
if (len == 0)
{
return(string.Empty);
}
byte[] raw = new byte[len];
IO.ReadFully(ins, raw, 0, len);
if (raw[len - 1] == '\n')
{
len--;
}
return(RawParseUtils.decode(Constants.CHARSET, raw, 0, len));
}
private void AssertFormatted(string name)
{
fmt.format(memoryStream, file, a, b);
string exp = RawParseUtils.decode(ReadFile(name));
Assert.AreEqual(exp, RawParseUtils.decode(memoryStream.ToArray()));
}
public string ReadString()
{
int len = ReadLength();
if (len == 0)
{
return(string.Empty);
}
len -= 4; // length header (4 bytes)
if (len <= 0)
{
return(string.Empty);
}
byte[] raw = new byte[len];
try
{
IO.ReadFully(ins, raw, 0, len);
}
catch (IOException e)
{
throw invalidHeader(lenbuffer, e);
}
if (raw[len - 1] == '\n')
{
len--;
}
return(RawParseUtils.decode(Constants.CHARSET, raw, 0, len));
}
public static string pathOf(AbstractTreeIterator t)
{
if (t == null)
{
throw new ArgumentNullException("t");
}
return(RawParseUtils.decode(Constants.CHARSET, t.Path, 0, t.PathLen));
}
/**
* Get the current entry's name within its parent tree.
* <para />
* This method is not very efficient and is primarily meant for debugging
* and output generation. Applications should try to avoid calling it,
* and if invoked do so only once per interesting entry, where the name is
* absolutely required for correct function.
*
* @return name of the current entry within the parent tree (or directory).
* The name never includes a '/'.
*/
public string getNameString()
{
AbstractTreeIterator t = _currentHead;
int off = t.PathOffset;
int end = t.PathLen;
return(RawParseUtils.decode(Constants.CHARSET, t.Path, off, end));
}
public void testWriteLine2()
{
var a = new RawText(Constants.encodeASCII("foo-a\nfoo-b"));
var o = new MemoryStream();
a.writeLine(o, 1);
byte[] r = o.ToArray();
Assert.AreEqual("foo-b", RawParseUtils.decode(r));
}
public void testWriteLine3()
{
var a = new RawText(Constants.encodeASCII("a\n\nb\n"));
var o = new MemoryStream();
a.writeLine(o, 1);
byte[] r = o.ToArray();
Assert.AreEqual(string.Empty, RawParseUtils.decode(r));
}
/// <summary> * The constructor from object identifier
/// </summary>
/// <param name="base">the base configuration file </param>
/// <param name="r">the repository</param>
/// <param name="objectid">the object identifier</param>
/// <exception cref="IOException">
/// the blob cannot be read from the repository. </exception>
/// <exception cref="ConfigInvalidException">
/// the blob is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, Repository r, ObjectId objectid)
: base(@base)
{
ObjectLoader loader = r.OpenBlob(objectid);
if (loader == null)
{
throw new IOException("Blob not found: " + objectid);
}
fromText(RawParseUtils.decode(loader.Bytes));
}
/// <summary>
/// Parse the complete commit message and decode it to a string.
/// <para />
/// This method parses and returns the message portion of the commit buffer,
/// After taking the commit's character set into account and decoding the
/// buffer using that character set. This method is a fairly expensive
/// operation and produces a new string on each invocation.
/// </summary>
/// <returns>
/// Decoded commit message as a string. Never null.
/// </returns>
public string getFullMessage()
{
byte[] raw = _buffer;
int msgB = RawParseUtils.commitMessage(raw, 0);
if (msgB < 0)
{
return(string.Empty);
}
Encoding enc = RawParseUtils.parseEncoding(raw);
return(RawParseUtils.decode(enc, raw, msgB, raw.Length));
}
public void testFreakingHugePathName()
{
int n = AbstractTreeIterator.DEFAULT_PATH_SIZE * 4;
var b = new StringBuilder(n);
for (int i = 0; i < n; i++)
{
b.Append('q');
}
string name = b.ToString();
ctp.reset(Entry(m644, name, hash_a));
Assert.IsFalse(ctp.eof());
Assert.AreEqual(name, RawParseUtils.decode(Constants.CHARSET, ctp.Path, ctp.PathOffset, ctp.PathLen));
}
/// <summary> * The constructor from object identifier
/// </summary>
/// <param name="base">the base configuration file </param>
/// <param name="repo">the repository</param>
/// <param name="objectid">the object identifier</param>
/// <exception cref="IOException">
/// the blob cannot be read from the repository. </exception>
/// <exception cref="ConfigInvalidException">
/// the blob is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, Repository repo, ObjectId objectid)
: base(@base)
{
if (repo == null)
{
throw new System.ArgumentNullException("repo");
}
ObjectLoader loader = repo.OpenBlob(objectid);
if (loader == null)
{
throw new IOException("Blob not found: " + objectid);
}
fromText(RawParseUtils.decode(loader.Bytes));
}
private static string readFirstLine(FileInfo head)
{
try
{
byte[] buf = IO.ReadFully(head, 4096);
int n = buf.Length;
if (n == 0)
return null;
if (buf[n - 1] == '\n')
n--;
return RawParseUtils.decode(buf, 0, n);
}
catch (IOException)
{
return null;
}
}
public string ReadStringRaw()
{
int len = ReadLength();
if (len == 0)
{
return(END);
}
len -= 4; // length header (4 bytes)
byte[] raw = new byte[len];
IO.ReadFully(ins, raw, 0, len);
return(RawParseUtils.decode(Constants.CHARSET, raw, 0, len));
}
private static string ReadLine(FileInfo file)
{
byte[] buf = IO.ReadFully(file, 4096);
int n = buf.Length;
// remove trailing whitespaces
while (n > 0 && char.IsWhiteSpace((char)buf[n - 1]))
{
n--;
}
if (n == 0)
{
return(null);
}
return(RawParseUtils.decode(buf, 0, n));
}
private string readLine(byte[] hdrbuf)
{
long mark = _bin.Position;
int cnt = _bin.Read(hdrbuf, 0, hdrbuf.Length);
int lf = 0;
while (lf < cnt && hdrbuf[lf] != '\n')
{
lf++;
}
_bin.Position = mark;
IO.skipFully(_bin, lf);
if (lf < cnt && hdrbuf[lf] == '\n')
{
IO.skipFully(_bin, 1);
}
return(RawParseUtils.decode(Constants.CHARSET, hdrbuf, 0, lf));
}
/// <summary>
/// Parse the commit message and return the first "line" of it.
/// <para />
/// The first line is everything up to the first pair of LFs. This is the
/// "oneline" format, suitable for output in a single line display.
/// <para />
/// This method parses and returns the message portion of the commit buffer,
/// after taking the commit's character set into account and decoding the
/// buffer using that character set. This method is a fairly expensive
/// operation and produces a new string on each invocation.
/// </summary>
/// <returns>
/// Decoded commit message as a string. Never null. The returned
/// string does not contain any LFs, even if the first paragraph
/// spanned multiple lines. Embedded LFs are converted to spaces.
/// </returns>
public string getShortMessage()
{
byte[] raw = _buffer;
int msgB = RawParseUtils.commitMessage(raw, 0);
if (msgB < 0)
{
return(string.Empty);
}
Encoding enc = RawParseUtils.parseEncoding(raw);
int msgE = RawParseUtils.endOfParagraph(raw, msgB);
string str = RawParseUtils.decode(enc, raw, msgB, msgE);
if (hasLF(raw, msgB, msgE))
{
str = str.Replace('\n', ' ');
}
return(str);
}
private string ParseName(String expect, int ptr, int end)
{
if (ptr == end)
{
return(expect);
}
string r;
if (Buffer[ptr] == '"')
{
// New style GNU diff format
//
r = QuotedString.GitPathStyle.GIT_PATH.dequote(Buffer, ptr, end - 1);
}
else
{
// Older style GNU diff format, an optional tab ends the name.
//
int tab = end;
while (ptr < tab && Buffer[tab - 1] != '\t')
{
tab--;
}
if (ptr == tab)
{
tab = end;
}
r = RawParseUtils.decode(Constants.CHARSET, Buffer, ptr, tab - 1);
}
if (r.Equals(DEV_NULL))
{
r = DEV_NULL;
}
return(r);
}
private string[] ExtractFileLines(Encoding[] csGuess)
{
var tmp = new TemporaryBuffer[ParentCount + 1];
try
{
for (int i = 0; i < tmp.Length; i++)
{
tmp[i] = new TemporaryBuffer();
}
foreach (HunkHeader h in Hunks)
{
h.extractFileLines(tmp);
}
var r = new String[tmp.Length];
for (int i = 0; i < tmp.Length; i++)
{
Encoding cs = (csGuess != null ? csGuess[i] : null) ?? Constants.CHARSET;
r[i] = RawParseUtils.decode(cs, tmp[i].ToArray());
}
return(r);
}
catch (IOException ioe)
{
throw new Exception("Cannot convert script to text", ioe);
}
finally
{
foreach (TemporaryBuffer b in tmp)
{
if (b != null)
{
b.destroy();
}
}
}
}
public void parseCanonical(RevWalk walk, byte[] rawTag)
{
var pos = new MutableInteger {
value = 53
};
int oType = Constants.decodeTypeString(this, rawTag, (byte)'\n', pos);
walk.IdBuffer.FromString(rawTag, 7);
_object = walk.lookupAny(walk.IdBuffer, oType);
int p = pos.value += 4; // "tag "
int nameEnd = RawParseUtils.nextLF(rawTag, p) - 1;
_tagName = RawParseUtils.decode(Constants.CHARSET, rawTag, p, nameEnd);
if (walk.isRetainBody())
{
_buffer = rawTag;
}
Flags |= PARSED;
}
/// <summary>
/// Adds a new or existing file with the specified name to this tree.
/// Trees are added if necessary as the name may contain '/':s.
/// </summary>
/// <param name="s"> an array containing the name </param>
/// <param name="offset"> when the name starts in the tree.
/// </param>
/// <returns>A <seealso cref="FileTreeEntry"/> for the added file.</returns>
/// <exception cref="IOException"></exception>
public FileTreeEntry AddFile(byte[] s, int offset)
{
int slash;
for (slash = offset; slash < s.Length && s[slash] != '/'; slash++)
{
// search for path component terminator
// [henon] body is empty by intention!
}
EnsureLoaded();
byte xlast = slash < s.Length ? (byte)'/' : (byte)0;
int p = BinarySearch(_contents, s, xlast, offset, slash);
if (p >= 0 && slash < s.Length && _contents[p] is Tree)
{
return(((Tree)_contents[p]).AddFile(s, slash + 1));
}
byte[] newName = SubString(s, offset, slash);
if (p >= 0)
{
throw new EntryExistsException(RawParseUtils.decode(newName));
}
if (slash < s.Length)
{
Tree t = new Tree(this, newName);
InsertEntry(p, t);
return(t.AddFile(s, slash + 1));
}
FileTreeEntry f = new FileTreeEntry(this, null, newName, false);
InsertEntry(p, f);
return(f);
}
/// <summary>
///
/// Extract the email address (if present) from the footer.
/// <para />
/// If there is an email address looking string inside of angle brackets
/// (e.g. "<a@b>"), the return value is the part extracted from inside the
/// brackets. If no brackets are found, then <see cref="Value"/> is returned
/// if the value contains an '@' sign. Otherwise, null.
/// </summary>
/// <returns>email address appearing in the value of this footer, or null.</returns>
public string getEmailAddress()
{
int lt = RawParseUtils.nextLF(_buffer, _valStart, (byte)'<');
if (_valEnd <= lt)
{
int at = RawParseUtils.nextLF(_buffer, _valStart, (byte)'@');
if (_valStart < at && at < _valEnd)
{
return(Value);
}
return(null);
}
int gt = RawParseUtils.nextLF(_buffer, lt, (byte)'>');
if (_valEnd < gt)
{
return(null);
}
return(RawParseUtils.decode(_enc, _buffer, lt, gt - 1));
}
public virtual void load()
{
try
{
fromText(RawParseUtils.decode(IO.ReadFully(getFile())));
}
catch (FileNotFoundException)
{
clear();
}
catch (DirectoryNotFoundException)
{
clear();
}
catch (IOException e)
{
var e2 = new IOException("Cannot read " + getFile(), e);
throw e2;
}
catch (ConfigInvalidException e)
{
throw new ConfigInvalidException("Cannot read " + getFile(), e);
}
}
private string readString(int len)
{
byte[] raw = new byte[len];
IO.ReadFully(ins, raw, 0, len);
return(RawParseUtils.decode(Constants.CHARSET, raw, 0, len));
}
/// <summary>
/// The constructor from a byte array
/// </summary>
/// <param name="base">the base configuration file </param>
/// <param name="blob">the byte array, should be UTF-8 encoded text. </param>
/// <exception cref="ConfigInvalidException">
/// The byte array is not a valid configuration format.
/// </exception>
public BlobBasedConfig(Config @base, byte[] blob)
: base(@base)
{
fromText(RawParseUtils.decode(blob));
}
private static string NameOf(AbstractTreeIterator i)
{
return(RawParseUtils.decode(Constants.CHARSET, i.Path, 0, i.PathLen));
}
/// <summary>
/// Line of the patch script the error appears on.
/// </summary>
/// <returns></returns>
public string getLineText()
{
int eol = RawParseUtils.nextLF(_buf, _offset);
return(RawParseUtils.decode(Constants.CHARSET, _buf, _offset, eol));
}
/// <summary>
/// Parse a "diff --git" or "diff --cc" line.
/// </summary>
/// <param name="ptr">
/// first character After the "diff --git " or "diff --cc " part.
/// </param>
/// <param name="end">
/// one past the last position to parse.
/// </param>
/// <returns>
/// first character After the LF at the end of the line; -1 on error.
/// </returns>
public int parseGitFileName(int ptr, int end)
{
int eol = RawParseUtils.nextLF(Buffer, ptr);
int bol = ptr;
if (eol >= end)
{
return(-1);
}
// buffer[ptr..eol] looks like "a/foo b/foo\n". After the first
// A regex to match this is "^[^/]+/(.*?) [^/+]+/\1\n$". There
// is only one way to split the line such that text to the left
// of the space matches the text to the right, excluding the part
// before the first slash.
//
int aStart = RawParseUtils.nextLF(Buffer, ptr, (byte)'/');
if (aStart >= eol)
{
return(eol);
}
while (ptr < eol)
{
int sp = RawParseUtils.nextLF(Buffer, ptr, (byte)' ');
if (sp >= eol)
{
// We can't split the header, it isn't valid.
// This may be OK if this is a rename patch.
//
return(eol);
}
int bStart = RawParseUtils.nextLF(Buffer, sp, (byte)'/');
if (bStart >= eol)
{
return(eol);
}
// If buffer[aStart..sp - 1] = buffer[bStart..eol - 1]
// we have a valid split.
//
if (Eq(aStart, sp - 1, bStart, eol - 1))
{
if (Buffer[bol] == '"')
{
// We're a double quoted name. The region better end
// in a double quote too, and we need to decode the
// characters before reading the name.
//
if (Buffer[sp - 2] != '"')
{
return(eol);
}
oldName = QuotedString.GitPathStyle.GIT_PATH.dequote(Buffer, bol, sp - 1);
oldName = P1(oldName);
}
else
{
oldName = RawParseUtils.decode(Constants.CHARSET, Buffer, aStart, sp - 1);
}
newName = oldName;
return(eol);
}
// This split wasn't correct. Move past the space and try
// another split as the space must be part of the file name.
//
ptr = sp;
}
return(eol);
}
