AppleWin/source/Debugger/Util_Text.h

157 lines
3.0 KiB
C
Raw Normal View History

#pragma once
#define CHAR_LF '\x0D'
#define CHAR_CR '\x0A'
#define CHAR_SPACE ' '
#define CHAR_TAB '\t'
#define CHAR_QUOTE_DOUBLE '"'
#define CHAR_QUOTE_SINGLE '\''
#define CHAR_ESCAPE '\x1B'
// Text Util
inline const char* EatEOL ( const char *pSrc )
{
if (pSrc)
{
if (*pSrc == CHAR_LF)
pSrc++;
if (*pSrc == CHAR_CR)
pSrc++;
}
return pSrc;
}
inline const char* SkipWhiteSpace ( const char *pSrc )
{
while (pSrc && ((*pSrc == CHAR_SPACE) || (*pSrc == CHAR_TAB)))
{
pSrc++;
}
return pSrc;
}
inline const char* SkipWhiteSpaceReverse ( const char *pSrc, const char *pStart )
{
while (pSrc && ((*pSrc == CHAR_SPACE) || (*pSrc == CHAR_TAB)) && (pSrc > pStart))
{
pSrc--;
}
return pSrc;
}
inline const char* SkipUntilChar ( const char *pSrc, const char nDelim )
{
while (pSrc && (*pSrc))
{
if (*pSrc == nDelim)
break;
pSrc++;
}
return pSrc;
}
inline const char* SkipUntilEOL ( const char *pSrc )
{
// EOL delims: NULL, LF, CR
while (pSrc && (*pSrc))
{
if ((*pSrc == CHAR_LF) || (*pSrc == CHAR_CR))
{
break;
}
pSrc++;
}
return pSrc;
}
inline const char* SkipUntilTab ( const char *pSrc)
{
while (pSrc && (*pSrc))
{
if (*pSrc == CHAR_TAB)
{
break;
}
pSrc++;
}
return pSrc;
}
inline const char* SkipUntilWhiteSpace ( const char *pSrc )
{
while (pSrc && (*pSrc))
{
if ((*pSrc == CHAR_SPACE) || (*pSrc == CHAR_TAB))
{
break;
}
pSrc++;
}
return pSrc;
}
inline const char* SkipUntilWhiteSpaceReverse ( const char *pSrc, const char *pStart )
{
while (pSrc && (pSrc > pStart))
{
if ((*pSrc == CHAR_SPACE) || (*pSrc == CHAR_TAB))
{
break;
}
pSrc--;
}
return pSrc;
}
/** Assumes text are valid hex digits!
//=========================================================================== */
inline BYTE TextConvert2CharsToByte ( char *pText )
{
BYTE n = ((pText[0] <= '@') ? (pText[0] - '0') : (pText[0] - 'A' + 10)) << 4;
n += ((pText[1] <= '@') ? (pText[1] - '0') : (pText[1] - 'A' + 10)) << 0;
return n;
}
//===========================================================================
inline bool TextIsHexChar( char nChar )
{
if ((nChar >= '0') && (nChar <= '9'))
return true;
if ((nChar >= 'A') && (nChar <= 'F'))
return true;
if ((nChar >= 'a') && (nChar <= 'f'))
return true;
return false;
}
//===========================================================================
inline bool TextIsHexByte( char *pText )
{
if (TextIsHexChar( pText[0] ) &&
TextIsHexChar( pText[1] ))
return true;
return false;
}
//===========================================================================
inline bool TextIsHexString ( LPCSTR pText )
{
while (*pText)
{
if (! TextIsHexChar( *pText ))
return false;
pText++;
}
return true;
}