HtmlHelpRecoder Class Reference

Helper class to deal with recoding the UTF8 encoded text back to the native encoding specified by CHM_INDEX_ENCODING. More...

Public Member Functions
	HtmlHelpRecoder ()
	~HtmlHelpRecoder ()
void	initialize ()
void	finalize ()
DString	recode (const DString &s)

Private Attributes
void *	m_iconv_null = reinterpret_cast<void*>(-1)
void *	m_fromUtf8 = m_iconv_null

Detailed Description

Helper class to deal with recoding the UTF8 encoded text back to the native encoding specified by CHM_INDEX_ENCODING.

Definition at line 44 of file htmlhelp.cpp.

Constructor & Destructor Documentation

HtmlHelpRecoder()

HtmlHelpRecoder::HtmlHelpRecoder ( )

inline

Definition at line 47 of file htmlhelp.cpp.

{}

~HtmlHelpRecoder()

HtmlHelpRecoder::~HtmlHelpRecoder ( )

inline

Definition at line 48 of file htmlhelp.cpp.

{ finalize(); }

References finalize().

Member Function Documentation

finalize()

void HtmlHelpRecoder::finalize ( )

inline

Definition at line 61 of file htmlhelp.cpp.

    {
      if (m_fromUtf8!=m_iconv_null)
      {
        portable_iconv_close(m_fromUtf8);
        m_fromUtf8 = m_iconv_null;
      }
    }

References m_fromUtf8, m_iconv_null, and portable_iconv_close().

Referenced by ~HtmlHelpRecoder().

initialize()

void HtmlHelpRecoder::initialize ( )

inline

Definition at line 51 of file htmlhelp.cpp.

    {
      DString str = Config_getString(CHM_INDEX_ENCODING);
      if (str.empty()) str = "CP1250"; // use safe and likely default
      m_fromUtf8 = portable_iconv_open(str.data(),"UTF-8");
      if (m_fromUtf8==m_iconv_null)
      {
        term("unsupported character conversion for CHM_INDEX_ENCODING: '{}'->'UTF-8'\n", str);
      }
    }

References Config_getString, DString::data(), DString::empty(), initialize(), m_fromUtf8, m_iconv_null, portable_iconv_open(), and term.

Referenced by initialize().

recode()

DString HtmlHelpRecoder::recode ( const DString & s )

inline

Definition at line 70 of file htmlhelp.cpp.

    {
      size_t iSize     = s.length();
      size_t oSize     = iSize*4;
      DString output(oSize, DString::ExplicitSize);
      size_t iLeft     = iSize;
      size_t oLeft     = oSize;
      const char *iPtr = s.data();
      char *oPtr       = output.rawData();
      if (!portable_iconv(m_fromUtf8,&iPtr,&iLeft,&oPtr,&oLeft))
      {
        oSize -= oLeft;
        output.resize(oSize);
        output.at(oSize)='\0';
        return output;
      }
      else
      {
        return s;
      }
    }

References DString::at(), DString::data(), DString::ExplicitSize, DString::length(), m_fromUtf8, portable_iconv(), DString::rawData(), and DString::resize().

Referenced by HtmlHelp::Private::createProjectFile(), and HtmlHelpIndex::writeFields().

Member Data Documentation

m_fromUtf8

void* HtmlHelpRecoder::m_fromUtf8 = m_iconv_null

private

Definition at line 93 of file htmlhelp.cpp.

Referenced by finalize(), initialize(), and recode().

m_iconv_null

void* HtmlHelpRecoder::m_iconv_null = reinterpret_cast<void*>(-1)

private

Definition at line 92 of file htmlhelp.cpp.

Referenced by finalize(), and initialize().

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The documentation for this class was generated from the following file:

• src/htmlhelp.cpp