CIccLocalizedUnicode Class Reference

Data Class: CIccLocalizedUnicode. More...

#include <IccTagBasic.h>

Collaboration diagram for CIccLocalizedUnicode:

Public Member Functions
	CIccLocalizedUnicode ()
	Name: CIccLocalizedUnicode::CIccLocalizedUnicode.
	CIccLocalizedUnicode (const CIccLocalizedUnicode &ILU)
	Name: CIccLocalizedUnicode::CIccLocalizedUnicode.
icUInt16Number *	GetBuf () const
icUInt32Number	GetLength () const
bool	GetText (std::string &text)
	Name: CIccLocalizedUnicode::GetText.
const icChar *	GetUtf8 (icChar *szBuf, icUInt32Number nBufSize)
	Name: CIccLocalizedUnicode::GetUtf8.
icUInt32Number	GetUtf8Size ()
	Name: CIccLocalizedUnicode::GetUtf8Size.
CIccLocalizedUnicode &	operator= (const CIccLocalizedUnicode &UnicodeText)
	Name: CIccLocalizedUnicode::operator=.
const icChar *	operator= (const icChar *szText)
const icUInt16Number *	operator= (const icUInt16Number *sszText)
const icUInt32Number *	operator= (const icUInt32Number *sszText)
bool	SetSize (icUInt32Number)
	Name: CIccLocalizedUnicode::SetSize.
bool	SetText (const icChar *szText, icLanguageCode nLanguageCode=icLanguageCodeEnglish, icCountryCode nRegionCode=icCountryCodeUSA)
	Name: CIccLocalizedUnicode::SetText.
bool	SetText (const icUInt16Number *sszUnicode16Text, icLanguageCode nLanguageCode=icLanguageCodeEnglish, icCountryCode nRegionCode=icCountryCodeUSA)
	Name: CIccLocalizedUnicode::SetText.
bool	SetText (const icUInt32Number *sszUnicode32Text, icLanguageCode nLanguageCode=icLanguageCodeEnglish, icCountryCode nRegionCode=icCountryCodeUSA)
	Name: CIccLocalizedUnicode::SetText.
virtual	~CIccLocalizedUnicode ()
	Name: CIccLocalizedUnicode::~CIccLocalizedUnicode.

Public Attributes
icCountryCode	m_nCountryCode
icLanguageCode	m_nLanguageCode

Protected Attributes
icUInt32Number	m_nLength
icUInt16Number *	m_pBuf

Detailed Description

Data Class: CIccLocalizedUnicode.

Purpose: Implementation of a unicode string with language and region identifiers.

Definition at line 1168 of file IccTagBasic.h.

Constructor & Destructor Documentation

CIccLocalizedUnicode() [1/2]

CIccLocalizedUnicode::CIccLocalizedUnicode

(

)

Name: CIccLocalizedUnicode::CIccLocalizedUnicode.

Purpose: Constructor

Definition at line 6903 of file IccTagBasic.cpp.

{
  m_pBuf = (icUInt16Number*)malloc(1*sizeof(icUInt16Number));
  *m_pBuf = 0;
  m_nLength = 0;
}

CIccLocalizedUnicode() [2/2]

CIccLocalizedUnicode::CIccLocalizedUnicode

(

const CIccLocalizedUnicode &

ILU

)

Name: CIccLocalizedUnicode::CIccLocalizedUnicode.

Purpose: Copy Constructor

Args: ILU = The CIccLocalizedUnicode object to be copied

Definition at line 6921 of file IccTagBasic.cpp.

{
  m_nLength = ILU.GetLength();
  m_pBuf = (icUInt16Number*)malloc((m_nLength+1) * sizeof(icUInt16Number));
  if (m_nLength)
    memcpy(m_pBuf, ILU.GetBuf(), m_nLength*sizeof(icUInt16Number));
  m_pBuf[m_nLength] = 0;
  m_nLanguageCode = ILU.m_nLanguageCode;
  m_nCountryCode = ILU.m_nCountryCode;
}

References GetBuf(), GetLength(), m_nCountryCode, and m_nLanguageCode.

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~CIccLocalizedUnicode()

CIccLocalizedUnicode::~CIccLocalizedUnicode ( )

virtual

Name: CIccLocalizedUnicode::~CIccLocalizedUnicode.

Purpose: Destructor

Definition at line 6966 of file IccTagBasic.cpp.

{
  if (m_pBuf)
    free(m_pBuf);
}

Member Function Documentation

GetBuf()

icUInt16Number * CIccLocalizedUnicode::GetBuf ( ) const

inline

Definition at line 1177 of file IccTagBasic.h.

{ return m_pBuf; }

Referenced by CIccLocalizedUnicode(), operator=(), and CIccTagMultiLocalizedUnicode::Read().

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GetLength()

icUInt32Number CIccLocalizedUnicode::GetLength ( ) const

inline

Definition at line 1176 of file IccTagBasic.h.

{ return m_nLength; }

Referenced by CIccLocalizedUnicode(), and operator=().

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GetText()

bool CIccLocalizedUnicode::GetText

(

std::string &

sText

)

Name: CIccLocalizedUnicode::GetText.

Purpose: Gets text as a UTF-8 string

Args: sText - string to put results in

Definition at line 7032 of file IccTagBasic.cpp.

{
  sText.clear();
 
  icUInt16Number* str = m_pBuf;
  while (*str) {
    icUInt32Number code32 = 0x0;
 
    //UTF-16 to UTF-32
 
    if (*str <= 0xD7FF) {
      code32 = *str;
      str++;
    }
    else if (*str <= 0xDBFF) {
      icUInt16Number high = (*str - 0xD800) * 0x400;
      icUInt16Number low = *(str + 1) - 0xDC00;
      code32 = (low | high) + 0x10000;
      str += 2;
    }
 
    //UTF-32 to UTF-8 -------
 
    if (code32 <= 0x007F) {
      sText += (unsigned char)code32;
    }
    else if (code32 <= 0x07FF) {
      sText += (unsigned char)(((code32 >> 6) & 0x1F) | 0xC0);
      sText += (unsigned char)((code32 & 0x3F) | 0x80);
    }
    else if (code32 <= 0xFFFF) {
      sText += (unsigned char)(((code32 >> 12) & 0x0F) | 0xE0);
      sText += (unsigned char)(((code32 >> 6) & 0x3F) | 0x80);
      sText += (unsigned char)(((code32) & 0x3F) | 0x80);
    }
    else if (code32 <= 0x10FFFF) {
      sText += (unsigned char)(((code32 >> 18) & 0x07) | 0xF0);
      sText += (unsigned char)(((code32 >> 12) & 0x3F) | 0x80);
      sText += (unsigned char)(((code32 >> 6) & 0x3F) | 0x80);
      sText += (unsigned char)(((code32) & 0x3F) | 0x80);
    }
  }
 
  return true;
}

Referenced by icGetTagText().

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GetUtf8()

const icChar * CIccLocalizedUnicode::GetUtf8	(	icChar *	szBuf,
		icUInt32Number	nBufSize )

Name: CIccLocalizedUnicode::GetUtf8.

Purpose: Extracts the ANSI data buffer (from UTF-16BE)

Args: szBuf = pointer where the returned string buffer is to be stored nBufSize = size of the buffer to be extracted

Return: Pointer to the ANSI data string

Definition at line 7002 of file IccTagBasic.cpp.

{
  if (!szBuf || !nBufSize)
    return NULL;
 
  std::string str;
  GetText(str);
 
  if (nBufSize - 1 < str.size()) {
    memcpy(szBuf, str.c_str(), nBufSize - 1);
    szBuf[nBufSize] = 0;
  }
  else {
    strcpy(szBuf, str.c_str());
  }
 
  return szBuf;
}

GetUtf8Size()

icUInt32Number CIccLocalizedUnicode::GetUtf8Size

(

)

Name: CIccLocalizedUnicode::GetUtf8Size.

Purpose: Returns the size of the ANSI data buffer

Definition at line 6980 of file IccTagBasic.cpp.

{
  std::string str;
  GetText(str);
 
  return (icUInt32Number)str.size()+1;
}

operator=() [1/4]

CIccLocalizedUnicode & CIccLocalizedUnicode::operator=

(

const CIccLocalizedUnicode &

UnicodeText

)

Name: CIccLocalizedUnicode::operator=.

Purpose: Copy Operator

Args: UnicodeText = The CIccLocalizedUnicode object to be copied

Definition at line 6943 of file IccTagBasic.cpp.

{
  if (&UnicodeText == this)
    return *this;
 
  if (SetSize(UnicodeText.GetLength())) {
    memcpy(m_pBuf, UnicodeText.GetBuf(), m_nLength*sizeof(icUInt16Number));
  }
  m_nLanguageCode = UnicodeText.m_nLanguageCode;
  m_nCountryCode = UnicodeText.m_nCountryCode;
 
  return *this;
}

References GetBuf(), GetLength(), m_nCountryCode, and m_nLanguageCode.

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operator=() [2/4]

const icChar * CIccLocalizedUnicode::operator= ( const icChar * szText )

inline

Definition at line 1196 of file IccTagBasic.h.

{ SetText(szText); return szText; }

operator=() [3/4]

const icUInt16Number * CIccLocalizedUnicode::operator= ( const icUInt16Number * sszText )

inline

Definition at line 1197 of file IccTagBasic.h.

{ SetText(sszText); return sszText; }

operator=() [4/4]

const icUInt32Number * CIccLocalizedUnicode::operator= ( const icUInt32Number * sszText )

inline

Definition at line 1198 of file IccTagBasic.h.

{ SetText(sszText); return sszText; }

SetSize()

bool CIccLocalizedUnicode::SetSize

(

icUInt32Number

nSize

)

Name: CIccLocalizedUnicode::SetSize.

Purpose: Sets the size of the string buffer.

Args: nSize - length of the string

Definition at line 7090 of file IccTagBasic.cpp.

{
  if (nSize == m_nLength)
    return true;
 
  m_pBuf = (icUInt16Number*)icRealloc(m_pBuf, (nSize+1)*sizeof(icUInt16Number));
 
  if (!m_pBuf) {
    m_nLength = 0;
    return false;
  }
 
  m_nLength = nSize;
 
  m_pBuf[nSize]=0;
 
  return true;
}

References icRealloc().

Referenced by CIccTagMultiLocalizedUnicode::Read().

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SetText() [1/3]

bool CIccLocalizedUnicode::SetText	(	const icChar *	szText,
		icLanguageCode	nLanguageCode = icLanguageCodeEnglish,
		icCountryCode	nRegionCode = icCountryCodeUSA )

Name: CIccLocalizedUnicode::SetText.

Purpose: Allows text data associated with the tag to be set.

Args: szText = zero terminated utf8 string to put in tag, nLanguageCode = the language code type as defined by icLanguageCode, nRegionCode = the region code type as defined by icCountryCode

Definition at line 7121 of file IccTagBasic.cpp.

{
  //first convert utf8 to unicode
  std::vector<unsigned long> unicode;
  size_t i = 0;
  while (szText[i])
  {
    unsigned long uni;
    size_t todo;
    bool error = false;
    unsigned char ch = szText[i++];
    if (ch <= 0x7F)
    {
      uni = ch;
      todo = 0;
    }
    else if (ch <= 0xBF)
    {
      //not a UTF-8 string so use question mark
      uni = '?';
      todo = 0;
    }
    else if (ch <= 0xDF)
    {
      uni = ch & 0x1F;
      todo = 1;
    }
    else if (ch <= 0xEF)
    {
      uni = ch & 0x0F;
      todo = 2;
    }
    else if (ch <= 0xF7)
    {
      uni = ch & 0x07;
      todo = 3;
    }
    else
    {
      //not a UTF-8 string so use question mark
      uni = '?';
      todo = 0;;
    }
    for (size_t j = 0; j < todo; ++j)
    {
      if (!szText[i]) {
        uni = '?';
        break;
      }
      else {
        unsigned char ch = szText[i];
        if (ch < 0x80 || ch > 0xBF) {
          //not a UTF-8 string so use question mark
          uni = '?';
          break;
        }
        else {
          uni <<= 6;
          uni += ch & 0x3F;
        }
      }
    }
    if (uni >= 0xD800 && uni <= 0xDFFF) {
      //not a UTF-8 string so use question mark
      uni = '?';
    }
    else if (uni > 0x10FFFF) {
      //not a UTF-8 string so use question mark
      uni = '?';
    }
    unicode.push_back(uni);
  }
 
  //now convert unicode to utf16
  std::vector<unsigned short> utf16;
  for (i = 0; i < unicode.size(); ++i)
  {
    unsigned long uni = unicode[i];
    if (uni <= 0xFFFF)
    {
      utf16.push_back((unsigned short)uni);
    }
    else
    {
      uni -= 0x10000;
      utf16.push_back((unsigned short)((uni >> 10) + 0xD800));
      utf16.push_back((unsigned short)((uni & 0x3FF) + 0xDC00));
    }
  }
 
  icUInt16Number *pBuf;
 
  size_t len = utf16.size();
  if (!SetSize((icUInt32Number)len+1))
    return false;
  
  pBuf = m_pBuf;
  for (i=0; i<len; i++) {
    *pBuf++ = utf16[i];
  }
  *pBuf = 0;
 
  m_nLanguageCode = nLanguageCode;
  m_nCountryCode = nRegionCode;
 
  return true;
}

Referenced by CIccTagMultiLocalizedUnicode::SetText(), CIccTagMultiLocalizedUnicode::SetText(), and CIccTagMultiLocalizedUnicode::SetText().

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SetText() [2/3]

bool CIccLocalizedUnicode::SetText	(	const icUInt16Number *	sszUnicode16Text,
		icLanguageCode	nLanguageCode = icLanguageCodeEnglish,
		icCountryCode	nRegionCode = icCountryCodeUSA )

Name: CIccLocalizedUnicode::SetText.

Purpose: Allows text data associated with the tag to be set.

Args: sszUnicode16Text = Unicode16 text to be set, nLanguageCode = the language code type as defined by icLanguageCode, nRegionCode = the region code type as defined by icCountryCode

Definition at line 7243 of file IccTagBasic.cpp.

{
  const icUInt16Number *pBuf=sszUnicode16Text;
  int len;
 
  for (len=0; *pBuf; len++, pBuf++);
 
  if (!SetSize(len))
    return false;
  memcpy(m_pBuf, sszUnicode16Text, (len+1)*sizeof(icUInt16Number));
 
  m_nLanguageCode = nLanguageCode;
  m_nCountryCode = nRegionCode;
 
  return true;
}

SetText() [3/3]

bool CIccLocalizedUnicode::SetText	(	const icUInt32Number *	sszUnicode32Text,
		icLanguageCode	nLanguageCode = icLanguageCodeEnglish,
		icCountryCode	nRegionCode = icCountryCodeUSA )

Name: CIccLocalizedUnicode::SetText.

Purpose: Allows text data associated with the tag to be set.

Args: sszUnicode32Text = Unicode32 text to be set, nLanguageCode = the language code type as defined by icLanguageCode, nRegionCode = the region code type as defined by icCountryCode

Definition at line 7274 of file IccTagBasic.cpp.

{
  const icUInt32Number *pBuf=sszUnicode32Text;
  int len;
 
  for (len=0; *pBuf; len++, pBuf++);
  if (*pBuf)
    pBuf--;
 
  if (!SetSize(len*2))
    return false;
 
  const icUInt32Number *srcStart = sszUnicode32Text;
  icUInt16Number *dstStart = m_pBuf;
  icConvertUTF32toUTF16(&srcStart, &srcStart[len], &dstStart, &dstStart[len*2], lenientConversion);
 
  *dstStart=0;
  if (!SetSize((icUInt32Number)(dstStart - m_pBuf)))
    return false;
 
  m_nLanguageCode = nLanguageCode;
  m_nCountryCode = nRegionCode;
 
  return true;
}

References icConvertUTF32toUTF16(), and lenientConversion.

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Member Data Documentation

m_nCountryCode

icCountryCode CIccLocalizedUnicode::m_nCountryCode

Definition at line 1202 of file IccTagBasic.h.

Referenced by CIccLocalizedUnicode(), operator=(), and CIccTagMultiLocalizedUnicode::Read().

m_nLanguageCode

icLanguageCode CIccLocalizedUnicode::m_nLanguageCode

Definition at line 1201 of file IccTagBasic.h.

Referenced by CIccLocalizedUnicode(), operator=(), and CIccTagMultiLocalizedUnicode::Read().

m_nLength

icUInt32Number CIccLocalizedUnicode::m_nLength

protected

Definition at line 1205 of file IccTagBasic.h.

m_pBuf

icUInt16Number* CIccLocalizedUnicode::m_pBuf

protected

Definition at line 1207 of file IccTagBasic.h.

---

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

• IccProfLib/IccTagBasic.h
• IccProfLib/IccTagBasic.cpp