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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef ImportOutFile_h___
#define ImportOutFile_h___
#include "nsImportTranslator.h"
#include "nsIOutputStream.h"
#include "nsIFile.h"
#define kMaxMarkers 10
class ImportOutFile;
class ImportOutFile {
public:
ImportOutFile();
ImportOutFile(nsIFile* pFile, uint8_t* pBuf, uint32_t sz);
~ImportOutFile();
bool InitOutFile(nsIFile* pFile, uint32_t bufSz = 4096);
void InitOutFile(nsIFile* pFile, uint8_t* pBuf, uint32_t sz);
inline bool WriteData(const uint8_t* pSrc, uint32_t len);
inline bool WriteByte(uint8_t byte);
bool WriteStr(const char* pStr) {
return WriteU8NullTerm((const uint8_t*)pStr, false);
}
bool WriteU8NullTerm(const uint8_t* pSrc, bool includeNull);
bool WriteEol(void) { return WriteStr("\x0D\x0A"); }
bool Done(void) { return Flush(); }
// Marker support
bool SetMarker(int markerID);
void ClearMarker(int markerID);
bool WriteStrAtMarker(int markerID, const char* pStr);
// 8-bit to 7-bit translation
bool Set8bitTranslator(nsImportTranslator* pTrans);
bool End8bitTranslation(bool* pEngaged, nsCString& useCharset,
nsCString& encoding);
protected:
bool Flush(void);
protected:
nsCOMPtr<nsIFile> m_pFile;
nsCOMPtr<nsIOutputStream> m_outputStream;
uint8_t* m_pBuf;
uint32_t m_bufSz;
uint32_t m_pos;
bool m_ownsFileAndBuffer;
// markers
uint32_t m_markers[kMaxMarkers];
// 8 bit to 7 bit translations
nsImportTranslator* m_pTrans;
bool m_engaged;
bool m_supports8to7;
ImportOutFile* m_pTransOut;
uint8_t* m_pTransBuf;
};
inline bool ImportOutFile::WriteData(const uint8_t* pSrc, uint32_t len) {
while ((len + m_pos) > m_bufSz) {
if ((m_bufSz - m_pos)) {
memcpy(m_pBuf + m_pos, pSrc, m_bufSz - m_pos);
len -= (m_bufSz - m_pos);
pSrc += (m_bufSz - m_pos);
m_pos = m_bufSz;
}
if (!Flush()) return false;
}
if (len) {
memcpy(m_pBuf + m_pos, pSrc, len);
m_pos += len;
}
return true;
}
inline bool ImportOutFile::WriteByte(uint8_t byte) {
if (m_pos == m_bufSz) {
if (!Flush()) return false;
}
*(m_pBuf + m_pos) = byte;
m_pos++;
return true;
}
#endif /* ImportOutFile_h__ */
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