qeuckrcodec.cpp File Reference

#include "qeuckrcodec.h"
#include "cp949codetbl.h"

Go to the source code of this file.

Classes
struct	map

Macros
#define	IsCP949Char(c)   (((c) >= 0x81) && ((c) <= 0xa0))
#define	IsEucChar(c)   (((c) >= 0xa1) && ((c) <= 0xfe))
#define	QValidChar(u)   ((u) ? QChar((ushort)(u)) : QChar(QChar::ReplacementCharacter))

Functions
static unsigned short	ksc2unicode (unsigned short code)
unsigned int	qt_Ksc5601ToUnicode (unsigned int code)
unsigned int	qt_UnicodeToKsc5601 (unsigned int unicode)
static unsigned short	unicode2ksc (unsigned short code)

Variables
static const unsigned short	ksc5601_hangul_to_unicode [2350]
static const unsigned short	ksc5601_hanja_to_unicode [4888]
static const unsigned short	ksc5601_symbol_to_unicode [1115]
static const struct map	unicode_to_ksc5601_hanja [4888]
static const struct map	unicode_to_ksc5601_symbol [986]

Macro Definition Documentation

IsCP949Char

#define IsCP949Char

(

c

)

(((c) >= 0x81) && ((c) <= 0xa0))

Definition at line 82 of file qeuckrcodec.cpp.

Referenced by QCP949Codec::convertToUnicode().

IsEucChar

#define IsEucChar

(

c

)

(((c) >= 0xa1) && ((c) <= 0xfe))

Definition at line 81 of file qeuckrcodec.cpp.

Referenced by QEucKrCodec::convertToUnicode(), and QCP949Codec::convertToUnicode().

QValidChar

#define QValidChar

(

u

)

((u) ? QChar((ushort)(u)) : QChar(QChar::ReplacementCharacter))

Definition at line 83 of file qeuckrcodec.cpp.

Referenced by QEucKrCodec::convertToUnicode(), and QCP949Codec::convertToUnicode().

Function Documentation

ksc2unicode()

static unsigned short ksc2unicode ( unsigned short  code )

static

Definition at line 3303 of file qeuckrcodec.cpp.

Referenced by QFontKsc5601Codec::convertFromUnicode(), and qt_Ksc5601ToUnicode().

{
    int ch1 = code >> 8;
    int ch2 = code & 0x00ff;
    int idx;

    if (ch1 < 0x80 || (ch1 - 0x80) <= 0x20 || (ch1 - 0x80) >= 0x7e
      || (ch1 - 0x80) == 0x49)
        return 0;

    if (ch2 < 0x80 || (ch2 - 0x80) <= 0x20 || (ch2 - 0x80) >= 0x7f)
        return 0;

    idx = (ch1 - 0x80 - 0x21) * 94 + (ch2 - 0x80 - 0x21);

                /* Hangul : row 16 - row 40 : 1410 = 15 * 94 ,
                                        3760 = 40 * 94 */
    if (idx >= 1410 && idx < 1410 + 2350)
        return ksc5601_hangul_to_unicode[idx - 1410];

    else if (idx >= 3854)
        /* Hanja : row 42 - row 93 : 3854 = 94 * (42-1) */
        return ksc5601_hanja_to_unicode[idx - 3854];

    else if(idx <= 1114)
        return ksc5601_symbol_to_unicode[idx];

    return 0;
}

qt_Ksc5601ToUnicode()

unsigned int qt_Ksc5601ToUnicode

(

unsigned int

code

)

Definition at line 249 of file qeuckrcodec.cpp.

Referenced by QEucKrCodec::convertToUnicode(), and QCP949Codec::convertToUnicode().

{
#if 0
  printf("qt_Ksc5601ToUnicode : code = %x, unicode = %x\n",
      code, ksc2unicode((unsigned short)code));
#endif
  return ksc2unicode((unsigned short)code);
}

qt_UnicodeToKsc5601()

unsigned int qt_UnicodeToKsc5601

(

unsigned int

unicode

)

Definition at line 258 of file qeuckrcodec.cpp.

Referenced by QEucKrCodec::convertFromUnicode(), QCP949Codec::convertFromUnicode(), and QFontKsc5601Codec::convertFromUnicode().

{
#if 0
  printf("qt_UnicodeToKsc5601 : unicode = %x, %x\n",
      unicode, unicode2ksc((unsigned short)unicode));
#endif
  return unicode2ksc((unsigned short)unicode);
}

unicode2ksc()

static unsigned short unicode2ksc ( unsigned short  code )

static

Definition at line 3333 of file qeuckrcodec.cpp.

Referenced by QFontKsc5601Codec::convertFromUnicode(), and qt_UnicodeToKsc5601().

{
    int lo, hi, mid, c2;
    unsigned char s[2];

    lo = mid = c2 = 0;

    if (unicode >= 0xac00 && unicode <= 0xd7a3) {
    // Hangul
        hi = 2349;

        while (lo <= hi) { // binary search
            mid = (lo + hi) / 2;
            c2 = ksc5601_hangul_to_unicode[mid];
            if(unicode < c2)
                hi = mid - 1;
            else if(unicode > c2)
                lo = mid + 1;
            else { // unicode == c2
                s[0] = (mid / 94) + 0x30;
                s[1] = (mid % 94) + 0x21;

                return ((s[0] << 8) | s[1]);
            }
        }
    } else if ((unicode >= 0x4e00 && unicode <= 0x9fff)
            || (unicode >= 0xf900 && unicode <= 0xfa0b)) {
    // Hanja
        hi = 4887;

        while (lo <= hi) { // binary search
            mid = (lo + hi) / 2;
            c2 = unicode_to_ksc5601_hanja[mid].unicode;
            if(unicode < c2)
                hi = mid - 1;
            else if(unicode > c2)
                lo = mid + 1;
            else { // unicode == c2
                return unicode_to_ksc5601_hanja[mid].kscode;
            }
        }
    } else {
    // Symbol
        hi = 985;

        while (lo <= hi) { // binary search
            mid = (lo + hi) / 2;
            c2 = unicode_to_ksc5601_symbol[mid].unicode;
            if(unicode < c2)
                hi = mid - 1;
            else if(unicode > c2)
                lo = mid + 1;
            else { // unicode == c2
                return unicode_to_ksc5601_symbol[mid].kscode;
            }
        }
    }
    return 0;
}

Variable Documentation

ksc5601_hangul_to_unicode

const unsigned short ksc5601_hangul_to_unicode[2350]

static

Definition at line 268 of file qeuckrcodec.cpp.

Referenced by ksc2unicode(), and unicode2ksc().

ksc5601_hanja_to_unicode

const unsigned short ksc5601_hanja_to_unicode[4888]

static

Definition at line 1052 of file qeuckrcodec.cpp.

Referenced by ksc2unicode().

ksc5601_symbol_to_unicode

const unsigned short ksc5601_symbol_to_unicode[1115]

static

Definition at line 567 of file qeuckrcodec.cpp.

Referenced by ksc2unicode().

unicode_to_ksc5601_hanja

const struct map unicode_to_ksc5601_hanja[4888]

static

Definition at line 1668 of file qeuckrcodec.cpp.

unicode_to_ksc5601_symbol

const struct map unicode_to_ksc5601_symbol[986]

static

Definition at line 718 of file qeuckrcodec.cpp.