Class XMLUtil

sourcecommon/tinyxml2.h:514–584

Utility functionality. */

	Utility functionality.
*/
class XMLUtil
{
public:
    // Anything in the high order range of UTF-8 is assumed to not be whitespace. This isn't
    // correct, but simple, and usually works.
    static const char* SkipWhiteSpace( const char* p )	{
        while( !IsUTF8Continuation(*p) && isspace( *reinterpret_cast<const unsigned char*>(p) ) ) {
            ++p;
        }
        return p;
    }
    static char* SkipWhiteSpace( char* p )				{
        return const_cast<char*>( SkipWhiteSpace( const_cast<const char*>(p) ) );
    }
    static bool IsWhiteSpace( char p )					{
        return !IsUTF8Continuation(p) && isspace( static_cast<unsigned char>(p) );
    }
    
    inline static bool IsNameStartChar( unsigned char ch ) {
        return ( ( ch < 128 ) ? isalpha( ch ) : 1 )
               || ch == ':'
               || ch == '_';
    }
    
    inline static bool IsNameChar( unsigned char ch ) {
        return IsNameStartChar( ch )
               || isdigit( ch )
               || ch == '.'
               || ch == '-';
    }

    inline static bool StringEqual( const char* p, const char* q, int nChar=INT_MAX )  {
        int n = 0;
        if ( p == q ) {
            return true;
        }
        while( *p && *q && *p == *q && n<nChar ) {
            ++p;
            ++q;
            ++n;
        }
        if ( (n == nChar) || ( *p == 0 && *q == 0 ) ) {
            return true;
        }
        return false;
    }
    
    inline static bool IsUTF8Continuation( const char p ) {
        return ( p & 0x80 ) != 0;
    }

    static const char* ReadBOM( const char* p, bool* hasBOM );
    // p is the starting location,
    // the UTF-8 value of the entity will be placed in value, and length filled in.
    static const char* GetCharacterRef( const char* p, char* value, int* length );
    static void ConvertUTF32ToUTF8( unsigned long input, char* output, int* length );

    // converts primitive types to strings