qtsciicodec.cpp File Reference

#include "qtsciicodec_p.h"
#include "qlist.h"

Go to the source code of this file.

Macros
#define	IsTSCIIChar(c)   (((c) >= 0x80) && ((c) <= 0xfd))

Functions
static int	cmp (const ushort *s1, const ushort *s2, size_t len)
static unsigned int	qt_TSCIIToUnicode (unsigned int code, uint *s)
static unsigned char	qt_UnicodeToTSCII (ushort u1, ushort u2, ushort u3)

Variables
static const ushort	TsToUn [][3]
static const ushort	UnToTs [][4]
static const int	UnToTsLast = 124

Macro Definition Documentation

IsTSCIIChar

#define IsTSCIIChar

(

c

)

(((c) >= 0x80) && ((c) <= 0xfd))

Definition at line 56 of file qtsciicodec.cpp.

Referenced by QTsciiCodec::convertToUnicode().

Function Documentation

cmp()

static int cmp ( const ushort *  s1, const ushort *  s2, size_t  len  )

static

Definition at line 446 of file qtsciicodec.cpp.

Referenced by detectProcessorFeatures(), QTriangulator< T >::SimpleToMonotone::fillPriorityQueue(), QSortedModelEngine::filter(), QVariant::operator!=(), QTriangulator< T >::ComplexToSimple::CompareEdges::operator()(), QVariant::operator==(), qt_UnicodeToTSCII(), ucstrcmp(), and winLangCodeToIsoName().

{
    int diff = 0;

    while (len-- && (diff = *s1++ - *s2++) == 0)
        ;

    return diff;
}

qt_TSCIIToUnicode()

static unsigned int qt_TSCIIToUnicode ( unsigned int  code, uint *  s  )

static

Definition at line 484 of file qtsciicodec.cpp.

Referenced by QTsciiCodec::convertToUnicode().

{
    int len = 0;
    for (int i = 0; i < 3; i++) {
        uint u = TsToUn[code & 0x7f][i];
        s[i] = u;
        if (s[i]) len = i + 1;
    }

    return len;
}

qt_UnicodeToTSCII()

static unsigned char qt_UnicodeToTSCII ( ushort  u1, ushort  u2, ushort  u3  )

static

Definition at line 456 of file qtsciicodec.cpp.

Referenced by QTsciiCodec::convertFromUnicode().

{
    ushort s[3];
    s[0] = u1;
    s[1] = u2;
    s[2] = u3;

    int a = 0;  // start pos
    int b = UnToTsLast; // end pos

    // do a binary search for the composed unicode in the list
    while (a <= b) {
        int w = (a + b) / 2;
        int j = cmp(UnToTs[w], s, 3);

        if (j == 0)
            // found it
            return UnToTs[w][3];

        if (j < 0)
            a = w + 1;
        else
            b = w - 1;
    }

    return 0;
}

Variable Documentation

TsToUn

const ushort TsToUn[][3]

static

Definition at line 316 of file qtsciicodec.cpp.

Referenced by qt_TSCIIToUnicode().

UnToTs

const ushort UnToTs[][4]

static

Definition at line 186 of file qtsciicodec.cpp.

Referenced by qt_UnicodeToTSCII().

UnToTsLast

const int UnToTsLast = 124

static

Definition at line 185 of file qtsciicodec.cpp.

Referenced by qt_UnicodeToTSCII().