#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
+#include <apt-pkg/string_view.h>
+
+#include <list>
#include <string>
#include <stdio.h>
/*}}}*/
using std::string;
+using APT::StringView;
-class pkgTagFilePrivate
+class APT_HIDDEN pkgTagFilePrivate /*{{{*/
{
public:
- pkgTagFilePrivate(FileFd *pFd, unsigned long long Size) : Fd(*pFd), Buffer(NULL),
- Start(NULL), End(NULL),
- Done(false), iOffset(0),
- Size(Size)
+ void Reset(FileFd * const pFd, unsigned long long const pSize, pkgTagFile::Flags const pFlags)
{
+ if (Buffer != NULL)
+ free(Buffer);
+ Buffer = NULL;
+ Fd = pFd;
+ Flags = pFlags;
+ Start = NULL;
+ End = NULL;
+ Done = false;
+ iOffset = 0;
+ Size = pSize;
+ isCommentedLine = false;
+ chunks.clear();
}
- FileFd &Fd;
+
+ pkgTagFilePrivate(FileFd * const pFd, unsigned long long const Size, pkgTagFile::Flags const pFlags) : Buffer(NULL)
+ {
+ Reset(pFd, Size, pFlags);
+ }
+ FileFd * Fd;
+ pkgTagFile::Flags Flags;
char *Buffer;
char *Start;
char *End;
bool Done;
unsigned long long iOffset;
unsigned long long Size;
-};
+ bool isCommentedLine;
+ struct FileChunk
+ {
+ bool const good;
+ size_t length;
+ FileChunk(bool const pgood, size_t const plength) : good(pgood), length(plength) {}
+ };
+ std::list<FileChunk> chunks;
-class pkgTagSectionPrivate
+ ~pkgTagFilePrivate()
+ {
+ if (Buffer != NULL)
+ free(Buffer);
+ }
+};
+ /*}}}*/
+class APT_HIDDEN pkgTagSectionPrivate /*{{{*/
{
public:
pkgTagSectionPrivate()
};
std::vector<TagData> Tags;
};
+ /*}}}*/
static unsigned long AlphaHash(const char *Text, size_t Length) /*{{{*/
{
/*}}}*/
// TagFile::pkgTagFile - Constructor /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-pkgTagFile::pkgTagFile(FileFd *pFd,unsigned long long Size)
- : d(NULL)
+pkgTagFile::pkgTagFile(FileFd * const pFd,pkgTagFile::Flags const pFlags, unsigned long long const Size)
+ : d(new pkgTagFilePrivate(pFd, Size + 4, pFlags))
{
- Init(pFd, Size);
+ Init(pFd, pFlags, Size);
}
-
-void pkgTagFile::Init(FileFd *pFd,unsigned long long Size)
+pkgTagFile::pkgTagFile(FileFd * const pFd,unsigned long long const Size)
+ : pkgTagFile(pFd, pkgTagFile::STRICT, Size)
+{
+}
+void pkgTagFile::Init(FileFd * const pFd, pkgTagFile::Flags const pFlags, unsigned long long Size)
{
/* The size is increased by 4 because if we start with the Size of the
filename we need to try to read 1 char more to see an EOF faster, 1
char the end-pointer can be on and maybe 2 newlines need to be added
to the end of the file -> 4 extra chars */
Size += 4;
- if(d != NULL)
- {
- free(d->Buffer);
- delete d;
- }
- d = new pkgTagFilePrivate(pFd, Size);
+ d->Reset(pFd, Size, pFlags);
- if (d->Fd.IsOpen() == false)
+ if (d->Fd->IsOpen() == false)
d->Start = d->End = d->Buffer = 0;
else
d->Buffer = (char*)malloc(sizeof(char) * Size);
d->iOffset = 0;
if (d->Done == false)
Fill();
+}
+void pkgTagFile::Init(FileFd * const pFd,unsigned long long Size)
+{
+ Init(pFd, pkgTagFile::STRICT, Size);
}
/*}}}*/
// TagFile::~pkgTagFile - Destructor /*{{{*/
-// ---------------------------------------------------------------------
-/* */
pkgTagFile::~pkgTagFile()
{
- free(d->Buffer);
delete d;
}
/*}}}*/
unsigned long long const EndSize = d->End - d->Start;
// get new buffer and use it
- char* newBuffer = (char*)realloc(d->Buffer, sizeof(char) * newSize);
+ char* const newBuffer = static_cast<char*>(realloc(d->Buffer, sizeof(char) * newSize));
if (newBuffer == NULL)
return false;
d->Buffer = newBuffer;
if (Resize() == false)
return _error->Error(_("Unable to parse package file %s (%d)"),
- d->Fd.Name().c_str(), 1);
+ d->Fd->Name().c_str(), 1);
} while (Tag.Scan(d->Start,d->End - d->Start, false) == false);
}
- d->Start += Tag.size();
- d->iOffset += Tag.size();
+ size_t tagSize = Tag.size();
+ d->Start += tagSize;
+
+ if ((d->Flags & pkgTagFile::SUPPORT_COMMENTS) == 0)
+ d->iOffset += tagSize;
+ else
+ {
+ auto first = d->chunks.begin();
+ for (; first != d->chunks.end(); ++first)
+ {
+ if (first->good == false)
+ d->iOffset += first->length;
+ else
+ {
+ if (tagSize < first->length)
+ {
+ first->length -= tagSize;
+ d->iOffset += tagSize;
+ break;
+ }
+ else
+ {
+ tagSize -= first->length;
+ d->iOffset += first->length;
+ }
+ }
+ }
+ d->chunks.erase(d->chunks.begin(), first);
+ }
Tag.Trim();
return true;
// ---------------------------------------------------------------------
/* This takes the bit at the end of the buffer and puts it at the start
then fills the rest from the file */
+static bool FillBuffer(pkgTagFilePrivate * const d)
+{
+ unsigned long long Actual = 0;
+ // See if only a bit of the file is left
+ unsigned long long const dataSize = d->Size - ((d->End - d->Buffer) + 1);
+ if (d->Fd->Read(d->End, dataSize, &Actual) == false)
+ return false;
+ if (Actual != dataSize)
+ d->Done = true;
+ d->End += Actual;
+ return true;
+}
+static void RemoveCommentsFromBuffer(pkgTagFilePrivate * const d)
+{
+ // look for valid comments in the buffer
+ char * good_start = nullptr, * bad_start = nullptr;
+ char * current = d->Start;
+ if (d->isCommentedLine == false)
+ {
+ if (d->Start == d->Buffer)
+ {
+ // the start of the buffer is a newline as a record can't start
+ // in the middle of a line by definition.
+ if (*d->Start == '#')
+ {
+ d->isCommentedLine = true;
+ ++current;
+ if (current > d->End)
+ d->chunks.emplace_back(false, 1);
+ }
+ }
+ if (d->isCommentedLine == false)
+ good_start = d->Start;
+ else
+ bad_start = d->Start;
+ }
+ else
+ bad_start = d->Start;
+
+ std::vector<std::pair<char*, size_t>> good_parts;
+ while (current <= d->End)
+ {
+ size_t const restLength = (d->End - current);
+ if (d->isCommentedLine == false)
+ {
+ current = static_cast<char*>(memchr(current, '#', restLength));
+ if (current == nullptr)
+ {
+ size_t const goodLength = d->End - good_start;
+ d->chunks.emplace_back(true, goodLength);
+ if (good_start != d->Start)
+ good_parts.push_back(std::make_pair(good_start, goodLength));
+ break;
+ }
+ bad_start = current;
+ --current;
+ // ensure that this is really a comment and not a '#' in the middle of a line
+ if (*current == '\n')
+ {
+ size_t const goodLength = (current - good_start) + 1;
+ d->chunks.emplace_back(true, goodLength);
+ good_parts.push_back(std::make_pair(good_start, goodLength));
+ good_start = nullptr;
+ d->isCommentedLine = true;
+ }
+ current += 2;
+ }
+ else // the current line is a comment
+ {
+ current = static_cast<char*>(memchr(current, '\n', restLength));
+ if (current == nullptr)
+ {
+ d->chunks.emplace_back(false, (d->End - bad_start));
+ break;
+ }
+ ++current;
+ // is the next line a comment, too?
+ if (current >= d->End || *current != '#')
+ {
+ d->chunks.emplace_back(false, (current - bad_start));
+ good_start = current;
+ bad_start = nullptr;
+ d->isCommentedLine = false;
+ }
+ ++current;
+ }
+ }
+
+ if (good_parts.empty() == false)
+ {
+ // we found comments, so move later parts over them
+ current = d->Start;
+ for (auto const &good: good_parts)
+ {
+ memmove(current, good.first, good.second);
+ current += good.second;
+ }
+ d->End = current;
+ }
+
+ if (d->isCommentedLine == true)
+ {
+ // deal with a buffer containing only comments
+ // or an (unfinished) comment at the end
+ if (good_parts.empty() == true)
+ d->End = d->Start;
+ else
+ d->Start = d->End;
+ }
+ else
+ {
+ // the buffer was all comment, but ended with the buffer
+ if (good_parts.empty() == true && good_start >= d->End)
+ d->End = d->Start;
+ else
+ d->Start = d->End;
+ }
+}
bool pkgTagFile::Fill()
{
- unsigned long long EndSize = d->End - d->Start;
+ unsigned long long const EndSize = d->End - d->Start;
+ if (EndSize != 0)
+ {
+ memmove(d->Buffer,d->Start,EndSize);
+ d->Start = d->End = d->Buffer + EndSize;
+ }
+ else
+ d->Start = d->End = d->Buffer;
+
unsigned long long Actual = 0;
-
- memmove(d->Buffer,d->Start,EndSize);
- d->Start = d->Buffer;
- d->End = d->Buffer + EndSize;
-
- if (d->Done == false)
+ while (d->Done == false && d->Size > (Actual + 1))
{
- // See if only a bit of the file is left
- unsigned long long const dataSize = d->Size - ((d->End - d->Buffer) + 1);
- if (d->Fd.Read(d->End, dataSize, &Actual) == false)
+ if (FillBuffer(d) == false)
return false;
- if (Actual != dataSize)
- d->Done = true;
- d->End += Actual;
+ if ((d->Flags & pkgTagFile::SUPPORT_COMMENTS) != 0)
+ RemoveCommentsFromBuffer(d);
+ Actual = d->End - d->Buffer;
}
-
+ d->Start = d->Buffer;
+
if (d->Done == true)
{
if (EndSize <= 3 && Actual == 0)
return false;
if (d->Size - (d->End - d->Buffer) < 4)
return true;
-
+
// Append a double new line if one does not exist
unsigned int LineCount = 0;
for (const char *E = d->End - 1; E - d->End < 6 && (*E == '\n' || *E == '\r'); E--)
if (*E == '\n')
- LineCount++;
+ ++LineCount;
if (LineCount < 2)
{
- if ((unsigned)(d->End - d->Buffer) >= d->Size)
+ if (static_cast<unsigned long long>(d->End - d->Buffer) >= d->Size)
Resize(d->Size + 3);
- for (; LineCount < 2; LineCount++)
+ for (; LineCount < 2; ++LineCount)
*d->End++ = '\n';
}
-
- return true;
}
-
return true;
}
/*}}}*/
that is there */
bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long long Offset)
{
+ if ((d->Flags & pkgTagFile::SUPPORT_COMMENTS) == 0 &&
// We are within a buffer space of the next hit..
- if (Offset >= d->iOffset && d->iOffset + (d->End - d->Start) > Offset)
+ Offset >= d->iOffset && d->iOffset + (d->End - d->Start) > Offset)
{
unsigned long long Dist = Offset - d->iOffset;
d->Start += Dist;
// Reposition and reload..
d->iOffset = Offset;
d->Done = false;
- if (d->Fd.Seek(Offset) == false)
+ if (d->Fd->Seek(Offset) == false)
return false;
d->End = d->Start = d->Buffer;
-
+ d->isCommentedLine = false;
+ d->chunks.clear();
+
if (Fill() == false)
return false;
return false;
if (Tag.Scan(d->Start, d->End - d->Start, false) == false)
- return _error->Error(_("Unable to parse package file %s (%d)"),d->Fd.Name().c_str(), 2);
+ return _error->Error(_("Unable to parse package file %s (%d)"),d->Fd->Name().c_str(), 2);
return true;
}
/* */
APT_IGNORE_DEPRECATED_PUSH
pkgTagSection::pkgTagSection()
- : Section(0), d(NULL), Stop(0)
+ : Section(0), d(new pkgTagSectionPrivate()), Stop(0)
{
- d = new pkgTagSectionPrivate();
-#if APT_PKG_ABI < 413
- TagCount = 0;
- memset(&Indexes, 0, sizeof(Indexes));
-#endif
memset(&AlphaIndexes, 0, sizeof(AlphaIndexes));
}
APT_IGNORE_DEPRECATED_POP
/*}}}*/
// TagSection::Scan - Scan for the end of the header information /*{{{*/
-#if APT_PKG_ABI < 413
-bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
-{
- return Scan(Start, MaxLength, true);
-}
-#endif
bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength, bool const Restart)
{
Section = Start;
}
d->Tags.reserve(0x100);
}
-#if APT_PKG_ABI >= 413
unsigned int TagCount = d->Tags.size();
-#else
- APT_IGNORE_DEPRECATED(TagCount = d->Tags.size();)
-#endif
if (Stop == 0)
return false;
return true;
// Start a new index and add it to the hash
- if (isspace(Stop[0]) == 0)
+ if (isspace_ascii(Stop[0]) == 0)
{
// store the last found tag
if (lastTagData.EndTag != 0)
lastTagData.NextInBucket = AlphaIndexes[lastTagHash];
APT_IGNORE_DEPRECATED_PUSH
AlphaIndexes[lastTagHash] = TagCount;
-#if APT_PKG_ABI < 413
- if (d->Tags.size() < sizeof(Indexes)/sizeof(Indexes[0]))
- Indexes[d->Tags.size()] = lastTagData.StartTag;
-#endif
APT_IGNORE_DEPRECATED_POP
d->Tags.push_back(lastTagData);
}
// find the end of the tag (which might or might not be the colon)
char const * EndTag = Colon;
--EndTag;
- for (; EndTag > Stop && isspace(*EndTag) != 0; --EndTag)
+ for (; EndTag > Stop && isspace_ascii(*EndTag) != 0; --EndTag)
;
++EndTag;
lastTagData.EndTag = EndTag - Section;
lastTagHash = AlphaHash(Stop, EndTag - Stop);
// find the beginning of the value
Stop = Colon + 1;
- for (; isspace(*Stop) != 0; ++Stop);
+ for (; Stop < End && isspace_ascii(*Stop) != 0; ++Stop)
+ if (*Stop == '\n' && Stop[1] != ' ')
+ break;
if (Stop >= End)
return false;
lastTagData.StartValue = Stop - Section;
if (AlphaIndexes[lastTagHash] != 0)
lastTagData.NextInBucket = AlphaIndexes[lastTagHash];
APT_IGNORE_DEPRECATED(AlphaIndexes[lastTagHash] = TagCount;)
-#if APT_PKG_ABI < 413
- APT_IGNORE_DEPRECATED(Indexes[d->Tags.size()] = lastTagData.StartTag;)
-#endif
d->Tags.push_back(lastTagData);
}
pkgTagSectionPrivate::TagData const td(Stop - Section);
-#if APT_PKG_ABI < 413
- APT_IGNORE_DEPRECATED(Indexes[d->Tags.size()] = td.StartTag;)
-#endif
d->Tags.push_back(td);
TrimRecord(false,End);
return true;
}
/*}}}*/
// TagSection::Exists - return True if a tag exists /*{{{*/
-#if APT_PKG_ABI >= 413
-bool pkgTagSection::Exists(const char* const Tag) const
-#else
-bool pkgTagSection::Exists(const char* const Tag)
-#endif
+bool pkgTagSection::Exists(StringView Tag) const
{
unsigned int tmp;
return Find(Tag, tmp);
// TagSection::Find - Locate a tag /*{{{*/
// ---------------------------------------------------------------------
/* This searches the section for a tag that matches the given string. */
-bool pkgTagSection::Find(const char *Tag,unsigned int &Pos) const
+bool pkgTagSection::Find(StringView TagView,unsigned int &Pos) const
{
- size_t const Length = strlen(Tag);
+ const char * const Tag = TagView.data();
+ size_t const Length = TagView.length();
unsigned int Bucket = AlphaIndexes[AlphaHash(Tag, Length)];
if (Bucket == 0)
return false;
Pos = 0;
return false;
}
-bool pkgTagSection::Find(const char *Tag,const char *&Start,
+
+bool pkgTagSection::Find(StringView Tag,const char *&Start,
const char *&End) const
{
unsigned int Pos;
if (unlikely(Start > End))
return _error->Error("Internal parsing error");
- for (; isspace(End[-1]) != 0 && End > Start; --End);
+ for (; isspace_ascii(End[-1]) != 0 && End > Start; --End);
return true;
}
/*}}}*/
// TagSection::FindS - Find a string /*{{{*/
-string pkgTagSection::FindS(const char *Tag) const
+StringView pkgTagSection::Find(StringView Tag) const
{
const char *Start;
const char *End;
if (Find(Tag,Start,End) == false)
- return string();
- return string(Start,End);
+ return StringView();
+ return StringView(Start, End - Start);
}
/*}}}*/
// TagSection::FindRawS - Find a string /*{{{*/
-string pkgTagSection::FindRawS(const char *Tag) const
+StringView pkgTagSection::FindRaw(StringView Tag) const
{
unsigned int Pos;
if (Find(Tag, Pos) == false)
if (unlikely(Start > End))
return "";
- for (; isspace(End[-1]) != 0 && End > Start; --End);
+ for (; isspace_ascii(End[-1]) != 0 && End > Start; --End);
- return std::string(Start, End - Start);
+ return StringView(Start, End - Start);
}
/*}}}*/
// TagSection::FindI - Find an integer /*{{{*/
// ---------------------------------------------------------------------
/* */
-signed int pkgTagSection::FindI(const char *Tag,signed long Default) const
+signed int pkgTagSection::FindI(StringView Tag,signed long Default) const
{
const char *Start;
const char *Stop;
return Default;
strncpy(S,Start,Stop-Start);
S[Stop - Start] = 0;
-
+
+ errno = 0;
char *End;
signed long Result = strtol(S,&End,10);
+ if (errno == ERANGE ||
+ Result < std::numeric_limits<int>::min() || Result > std::numeric_limits<int>::max()) {
+ errno = ERANGE;
+ _error->Error(_("Cannot convert %s to integer: out of range"), S);
+ }
if (S == End)
return Default;
return Result;
// TagSection::FindULL - Find an unsigned long long integer /*{{{*/
// ---------------------------------------------------------------------
/* */
-unsigned long long pkgTagSection::FindULL(const char *Tag, unsigned long long const &Default) const
+unsigned long long pkgTagSection::FindULL(StringView Tag, unsigned long long const &Default) const
{
const char *Start;
const char *Stop;
// TagSection::FindB - Find boolean value /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool pkgTagSection::FindB(const char *Tag, bool const &Default) const
+bool pkgTagSection::FindB(StringView Tag, bool Default) const
{
const char *Start, *Stop;
if (Find(Tag, Start, Stop) == false)
// TagSection::FindFlag - Locate a yes/no type flag /*{{{*/
// ---------------------------------------------------------------------
/* The bits marked in Flag are masked on/off in Flags */
-bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags,
+bool pkgTagSection::FindFlag(StringView Tag, uint8_t &Flags,
+ uint8_t const Flag) const
+{
+ const char *Start;
+ const char *Stop;
+ if (Find(Tag,Start,Stop) == false)
+ return true;
+ return FindFlag(Flags, Flag, Start, Stop);
+}
+bool pkgTagSection::FindFlag(uint8_t &Flags, uint8_t const Flag,
+ char const* const Start, char const* const Stop)
+{
+ switch (StringToBool(string(Start, Stop)))
+ {
+ case 0:
+ Flags &= ~Flag;
+ return true;
+
+ case 1:
+ Flags |= Flag;
+ return true;
+
+ default:
+ _error->Warning("Unknown flag value: %s",string(Start,Stop).c_str());
+ return true;
+ }
+ return true;
+}
+bool pkgTagSection::FindFlag(StringView Tag,unsigned long &Flags,
unsigned long Flag) const
{
const char *Start;
return true;
}
/*}}}*/
-void pkgTagSection::Get(const char *&Start,const char *&Stop,unsigned int I) const
+void pkgTagSection::Get(const char *&Start,const char *&Stop,unsigned int I) const/*{{{*/
{
Start = Section + d->Tags[I].StartTag;
Stop = Section + d->Tags[I+1].StartTag;
}
+ /*}}}*/
APT_PURE unsigned int pkgTagSection::Count() const { /*{{{*/
if (d->Tags.empty() == true)
return 0;
else
return Tag(REWRITE, Name, Data);
}
-static bool WriteTag(FileFd &File, std::string Tag, std::string const &Value)
+static bool WriteTag(FileFd &File, std::string Tag, StringView Value)
{
- if (Value.empty() || isspace(Value[0]) != 0)
+ if (Value.empty() || isspace_ascii(Value[0]) != 0)
Tag.append(":");
else
Tag.append(": ");
- Tag.append(Value);
+ Tag.append(Value.data(), Value.length());
Tag.append("\n");
return File.Write(Tag.c_str(), Tag.length());
}
}
else if(R->Action == pkgTagSection::Tag::RENAME && R->Data.length() == TagLen &&
strncasecmp(R->Data.c_str(), Tag, R->Data.length()) == 0)
- data = This->FindRawS(R->Name.c_str());
+ data = This->FindRaw(R->Name.c_str()).to_string();
else
continue;
if (Exists(Order[I]) == false)
continue;
- if (WriteTag(File, Order[I], FindRawS(Order[I])) == false)
+ if (WriteTag(File, Order[I], FindRaw(Order[I])) == false)
return false;
}
}
if (R != Rewrite.end())
continue;
- if (WriteTag(File, name, FindRawS(name.c_str())) == false)
+ if (WriteTag(File, name, FindRaw(name)) == false)
return false;
}
}
continue;
}
- if (WriteTag(File, name, ((R->Action == Tag::RENAME) ? FindRawS(R->Name.c_str()) : R->Data)) == false)
+ if (WriteTag(File, name, ((R->Action == Tag::RENAME) ? FindRaw(R->Name) : R->Data)) == false)
return false;
}
return true;
}
/*}}}*/
+void pkgUserTagSection::TrimRecord(bool /*BeforeRecord*/, const char* &End)/*{{{*/
+{
+ for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r' || Stop[0] == '#'); Stop++)
+ if (Stop[0] == '#')
+ Stop = (const char*) memchr(Stop,'\n',End-Stop);
+}
+ /*}}}*/
+
#include "tagfile-order.c"
// TFRewrite - Rewrite a control record /*{{{*/
Visited[J] |= 2;
if (Rewrite[J].Rewrite != 0 && Rewrite[J].Rewrite[0] != 0)
{
- if (isspace(Rewrite[J].Rewrite[0]))
+ if (isspace_ascii(Rewrite[J].Rewrite[0]))
fprintf(Output,"%s:%s\n",Rewrite[J].NewTag,Rewrite[J].Rewrite);
else
fprintf(Output,"%s: %s\n",Rewrite[J].NewTag,Rewrite[J].Rewrite);
// See if it is in the fragment
unsigned Pos;
- if (Tags.Find(Order[I],Pos) == false)
+ if (Tags.Find(StringView(Order[I]),Pos) == false)
continue;
Visited[Pos] |= 1;
Visited[J] |= 2;
if (Rewrite[J].Rewrite != 0 && Rewrite[J].Rewrite[0] != 0)
{
- if (isspace(Rewrite[J].Rewrite[0]))
+ if (isspace_ascii(Rewrite[J].Rewrite[0]))
fprintf(Output,"%s:%s\n",Rewrite[J].NewTag,Rewrite[J].Rewrite);
else
fprintf(Output,"%s: %s\n",Rewrite[J].NewTag,Rewrite[J].Rewrite);
if (Rewrite[J].Rewrite != 0 && Rewrite[J].Rewrite[0] != 0)
{
- if (isspace(Rewrite[J].Rewrite[0]))
+ if (isspace_ascii(Rewrite[J].Rewrite[0]))
fprintf(Output,"%s:%s\n",Rewrite[J].NewTag,Rewrite[J].Rewrite);
else
fprintf(Output,"%s: %s\n",Rewrite[J].NewTag,Rewrite[J].Rewrite);
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