rtfMailDecoder.h - mozsearch

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/* 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/. */

#include "mozilla/Attributes.h"

#include <string>

#include "rtfDecoder.h"

class CRTFMailDecoder : public CRTFDecoder {

 public:

  enum Mode { mNone, mText, mHTML };

  CRTFMailDecoder() : m_mode(mNone), m_state(sNormal), m_skipLevel(0) {}

  void BeginGroup() override;

  void EndGroup() override;

  void Keyword(const char* name, const int* Val) override;

  void PCDATA(const wchar_t* data, size_t cch) override;

  void BDATA(const char* data, size_t sz) override;

  const wchar_t* text() { return m_text.c_str(); }

  std::wstring::size_type textSize() { return m_text.size(); }

  Mode mode() { return m_mode; }

 private:

  enum State {

    sNormal = 0x0000,

    sBeginGroup = 0x0001,

    sAsterisk = 0x0002,

    sHtmlRtf = 0x0004

};

  std::wstring m_text;

  Mode m_mode;

  unsigned int m_state;  // bitmask of State

                         // bool m_beginGroup; // true just after the {

                         // bool m_asterisk; // true just after the {\*

  int m_skipLevel;       // if >0 then we ignore everything

                         // bool m_htmlrtf;

  inline void SetState(unsigned int s) { m_state |= s; }

  inline void ClearState(unsigned int s) { m_state &= ~s; }

  inline bool CheckState(State s) { return (m_state & s) != 0; }

  inline bool IsAsterisk() { return CheckState(sAsterisk); }

  inline bool IsBeginGroup() { return CheckState(sBeginGroup); }

  inline bool IsHtmlRtf() { return CheckState(sHtmlRtf); }

  void AddText(const wchar_t* txt, size_t cch = static_cast<size_t>(-1));

};