intl/lwbrk/public/nsILineBreaker.h
author myk@mozilla.org
Tue, 04 Sep 2007 13:45:57 -0700
changeset 5657 20a2d91b2c3fe2f04bf05afe1ab87f45967f3c85
parent 3658 fd5ac8b40ee15f03852a8b2381710f6824085614
child 6103 579d8ab862ee14ba560bff5328c06bf603b096a9
permissions -rw-r--r--
bug 393492: move mimeTypes.rdf datasource access code from nsExternalHelperAppService.cpp to nsHandlerService.js, fixing bug 393500 (auto-add preferred handler to possible handlers when retrieving them, since they won't be in there already on legacy datasources) in the process; r=biesi; sr=dmose; a=bsmedberg for 1.9

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#ifndef nsILineBreaker_h__
#define nsILineBreaker_h__

#include "nsISupports.h"

#include "nscore.h"

#define NS_LINEBREAKER_NEED_MORE_TEXT -1

// {5ae68851-d9a3-49fd-9388-58586dad8044}
#define NS_ILINEBREAKER_IID \
{ 0x5ae68851, 0xd9a3, 0x49fd, \
    { 0x93, 0x88, 0x58, 0x58, 0x6d, 0xad, 0x80, 0x44 } }

class nsILineBreaker : public nsISupports
{
public:
  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ILINEBREAKER_IID)
  virtual PRInt32 Next( const PRUnichar* aText, PRUint32 aLen, 
                        PRUint32 aPos) = 0;

  virtual PRInt32 Prev( const PRUnichar* aText, PRUint32 aLen, 
                        PRUint32 aPos) = 0;

  // Call this on a word with whitespace at either end. We will apply JISx4501
  // rules to find breaks inside the word. aBreakBefore is set to the break-
  // before status of each character; aBreakBefore[0] will always be false
  // because we never return a break before the first character.
  // aLength is the length of the aText array and also the length of the aBreakBefore
  // output array.
  virtual void GetJISx4051Breaks(const PRUnichar* aText, PRUint32 aLength,
                                 PRPackedBool* aBreakBefore) = 0;
  virtual void GetJISx4051Breaks(const PRUint8* aText, PRUint32 aLength,
                                 PRPackedBool* aBreakBefore) = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsILineBreaker, NS_ILINEBREAKER_IID)

#endif  /* nsILineBreaker_h__ */