當前位置: 首頁>>代碼示例>>C++>>正文

C++ ConvertUTF32ToUTF8函數代碼示例

本文整理匯總了C++中ConvertUTF32ToUTF8函數的典型用法代碼示例。如果您正苦於以下問題：C++ ConvertUTF32ToUTF8函數的具體用法？C++ ConvertUTF32ToUTF8怎麽用？C++ ConvertUTF32ToUTF8使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了ConvertUTF32ToUTF8函數的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C++代碼示例。

示例1: strchr

const char* TiXmlBase::GetEntity( const char* p, char* value, int* length, TiXmlEncoding encoding )
{
	// Presume an entity, and pull it out.
    TIXML_STRING ent;
	int i;
	*length = 0;

	if ( *(p+1) && *(p+1) == '#' && *(p+2) )
	{
		unsigned long ucs = 0;
		ptrdiff_t delta;
		unsigned mult = 1;

		if ( *(p+2) == 'x' )
		{
			// Hexadecimal.
			if ( !*(p+3) ) return nullptr;

			const char* q = p+3;
			q = strchr( q, ';' );

			if ( !q || !*q ) return nullptr;

			delta = q-p;
			--q;

			while ( *q != 'x' )
			{
				if ( *q >= '0' && *q <= '9' )
					ucs += mult * (*q - '0');
				else if ( *q >= 'a' && *q <= 'f' )
					ucs += mult * (*q - 'a' + 10);
				else if ( *q >= 'A' && *q <= 'F' )
					ucs += mult * (*q - 'A' + 10 );
				else 
					return nullptr;
				mult *= 16;
				--q;
			}
		}
		else
		{
			// Decimal.
			if ( !*(p+2) ) return nullptr;

			const char* q = p+2;
			q = strchr( q, ';' );

			if ( !q || !*q ) return nullptr;

			delta = q-p;
			--q;

			while ( *q != '#' )
			{
				if ( *q >= '0' && *q <= '9' )
					ucs += mult * (*q - '0');
				else 
					return nullptr;
				mult *= 10;
				--q;
			}
		}
		if ( encoding == TIXML_ENCODING_UTF8 )
		{
			// convert the UCS to UTF-8
			ConvertUTF32ToUTF8( ucs, value, length );
		}
		else
		{
			*value = static_cast<char>(ucs);
			*length = 1;
		}
		return p + delta + 1;
	}

	// Now try to match it.
	for( i=0; i<NUM_ENTITY; ++i )
	{
		if ( strncmp( entity[i].str, p, entity[i].strLength ) == 0 )
		{
			assert( strlen( entity[i].str ) == entity[i].strLength );
			*value = entity[i].chr;
			*length = 1;
			return ( p + entity[i].strLength );
		}
	}

	// So it wasn't an entity, its unrecognized, or something like that.
	*value = *p;	// Don't put back the last one, since we return it!
	//*length = 1;	// Leave unrecognized entities - this doesn't really work.
					// Just writes strange XML.
	return p+1;
}
開發者ID:drwbns，項目名稱:tpnew---latest-ogre_v2-1，代碼行數:94，代碼來源:tinyxmlparser.cpp

示例2: strchr

const char* XMLUtil::GetCharacterRef( const char* p, char* value, int* length )
{
    // Presume an entity, and pull it out.
    *length = 0;

    if ( *(p+1) == '#' && *(p+2) ) {
        unsigned long ucs = 0;
        ptrdiff_t delta = 0;
        unsigned mult = 1;

        if ( *(p+2) == 'x' ) {
            // Hexadecimal.
            if ( !*(p+3) ) {
                return 0;
            }

            const char* q = p+3;
            q = strchr( q, ';' );

            if ( !q || !*q ) {
                return 0;
            }

            delta = q-p;
            --q;

            while ( *q != 'x' ) {
                if ( *q >= '0' && *q <= '9' ) {
                    ucs += mult * (*q - '0');
                }
                else if ( *q >= 'a' && *q <= 'f' ) {
                    ucs += mult * (*q - 'a' + 10);
                }
                else if ( *q >= 'A' && *q <= 'F' ) {
                    ucs += mult * (*q - 'A' + 10 );
                }
                else {
                    return 0;
                }
                mult *= 16;
                --q;
            }
        }
        else {
            // Decimal.
            if ( !*(p+2) ) {
                return 0;
            }

            const char* q = p+2;
            q = strchr( q, ';' );

            if ( !q || !*q ) {
                return 0;
            }

            delta = q-p;
            --q;

            while ( *q != '#' ) {
                if ( *q >= '0' && *q <= '9' ) {
                    ucs += mult * (*q - '0');
                }
                else {
                    return 0;
                }
                mult *= 10;
                --q;
            }
        }
        // convert the UCS to UTF-8
        ConvertUTF32ToUTF8( ucs, value, length );
        return p + delta + 1;
    }
    return p+1;
}
開發者ID:henriyl，項目名稱:ZShadeSandboxOld，代碼行數:76，代碼來源:tinyxml2.cpp

示例3: strchr

const char* TiXmlBase::GetEntity( const char* p, char* value, int* length )
{
	// Presume an entity, and pull it out.
    TIXML_STRING ent;
	int i;
	*length = 0;

	if ( *(p+1) && *(p+1) == '#' && *(p+2) )
	{
		unsigned long ucs = 0;
		unsigned delta = 0;
		unsigned mult = 1;

		if ( *(p+2) == 'x' )
		{
			// Hexadecimal.
			if ( !*(p+3) ) return 0;

			const char* q = p+3;
			q = strchr( q, ';' );

			if ( !q || !*q ) return 0;

			delta = q-p;
			--q;

			while ( *q != 'x' )
			{
				if ( *q >= '0' && *q <= '9' )
					ucs += mult * (*q - '0');
				else if ( *q >= 'a' && *q <= 'f' )
					ucs += mult * (*q - 'a' + 10);
				else if ( *q >= 'A' && *q <= 'F' )
					ucs += mult * (*q - 'A' + 10 );
				else 
					return 0;
				mult *= 16;
				--q;
			}
		}
		else
		{
			// Decimal.
			if ( !*(p+2) ) return 0;

			const char* q = p+2;
			q = strchr( q, ';' );

			if ( !q || !*q ) return 0;

			delta = q-p;
			--q;

			while ( *q != '#' )
			{
				if ( *q >= '0' && *q <= '9' )
					ucs += mult * (*q - '0');
				else 
					return 0;
				mult *= 10;
				--q;
			}
		}
		// convert the UCS to UTF-8
		ConvertUTF32ToUTF8( ucs, value, length );
		return p + delta + 1;
	}

	// Now try to match it.
	for( i=0; i<NUM_ENTITY; ++i )
	{
		if ( strncmp( entity[i].str, p, entity[i].strLength ) == 0 )
		{
			assert( strlen( entity[i].str ) == entity[i].strLength );
			*value = entity[i].chr;
			*length = 1;
			return ( p + entity[i].strLength );
		}
	}

	// So it wasn't an entity, its unrecognized, or something like that.
	*value = *p;	// Don't put back the last one, since we return it!
	return p+1;
}
開發者ID:priyananda，項目名稱:projects，代碼行數:84，代碼來源:tinyxmlparser.cpp

示例4: uischr

const TIXML_CHAR* TiXmlBase::GetEntity( const TIXML_CHAR* p, TIXML_CHAR* value, int* length, TiXmlEncoding encoding )
{
	// Presume an entity, and pull it out.
    TIXML_STRING ent;
	int i;
	*length = 0;

	if ( *(p+1) && *(p+1) == _TIXML_L('#') && *(p+2) )
	{
		unsigned long ucs = 0;
		ptrdiff_t delta = 0;
		unsigned mult = 1;

		if ( *(p+2) == _TIXML_L('x') )
		{
			// Hexadecimal.
			if ( !*(p+3) ) return 0;

			const TIXML_CHAR* q = p+3;
			q = uischr( q, _TIXML_L(';') );

			if ( !q || !*q ) return 0;

			delta = q-p;
			--q;

			while ( *q != _TIXML_L('x') )
			{
				if ( *q >= _TIXML_L('0') && *q <= _TIXML_L('9') )
					ucs += mult * (*q - _TIXML_L('0'));
				else if ( *q >= _TIXML_L('a') && *q <= _TIXML_L('f') )
					ucs += mult * (*q - _TIXML_L('a') + 10);
				else if ( *q >= _TIXML_L('A') && *q <= _TIXML_L('F') )
					ucs += mult * (*q - _TIXML_L('A') + 10 );
				else 
					return 0;
				mult *= 16;
				--q;
			}
		}
		else
		{
			// Decimal.
			if ( !*(p+2) ) return 0;

			const TIXML_CHAR* q = p+2;
			q = uischr( q, _TIXML_L(';') );

			if ( !q || !*q ) return 0;

			delta = q-p;
			--q;

			while ( *q != _TIXML_L('#') )
			{
				if ( *q >= _TIXML_L('0') && *q <= _TIXML_L('9') )
					ucs += mult * (*q - _TIXML_L('0'));
				else 
					return 0;
				mult *= 10;
				--q;
			}
		}
		if ( encoding == TIXML_ENCODING_UTF8 )
		{
			// convert the UCS to UTF-8
			ConvertUTF32ToUTF8( ucs, value, length );
		}
		else
		{
			*value = (TIXML_CHAR)ucs;
			*length = 1;
		}
		return p + delta + 1;
	}

	// Now try to match it.
	for( i=0; i<NUM_ENTITY; ++i )
	{
		if ( uisncmp( entity[i].str, p, entity[i].uislength ) == 0 )
		{
			assert( uislen( entity[i].str ) == entity[i].uislength );
			*value = entity[i].chr;
			*length = 1;
			return ( p + entity[i].uislength );
		}
	}

	// So it wasn't an entity, its unrecognized, or something like that.
	*value = *p;	// Don't put back the last one, since we return it!
	//*length = 1;	// Leave unrecognized entities - this doesn't really work.
					// Just writes strange XML.
	return p+1;
}
開發者ID:ThePirateOld，項目名稱:four-mp，代碼行數:94，代碼來源:tinyxmlparser.cpp


注：本文中的ConvertUTF32ToUTF8函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。