Esempi in C# (CSharp) per cs.aworx.lib.strings Substring.CharAtStart

Esempio n. 1

File: IniFile.cs Progetto: AlexWorx/ALox-Logging-Library

 /** ****************************************************************************************
  * Helper method used when reading file.
  * @param subs    A sub-string.
  * @return true if provided substring starts with comment character.
  ******************************************************************************************/
 protected bool startsWithCommentSymbol( Substring subs )
 {
     int i= commentChars.IndexOf( subs.CharAtStart() );
     return      ( i >= 0 && i < 2)
             ||  ( i == 2 && subs.CharAt(1) == '/'  );
 }

Esempio n. 2

File: UT_alib_strings_Substring.cs Progetto: AlexWorx/ALox-Logging-Library

public void FrontEnd()
{
    // empty substring
    {
        Substring subs= new Substring();
        UT_EQ(  '\0',      subs.CharAtStart(   ) );
        UT_EQ(  '\0',      subs.CharAt( 0 ) );
        UT_EQ(  '\0',      subs.CharAt( 1 ) );
        UT_EQ(  '\0',      subs.CharAt(-1 ) );
        UT_EQ(  '\0',      subs.CharAt( 2 ) );
        UT_EQ(  '\0',      subs.CharAt(-2 ) );

        UT_EQ(  '\0',      subs.CharAtEnd (   ) );
        UT_EQ(  '\0',      subs.CharAtEnd ( 0 ) );
        UT_EQ(  '\0',      subs.CharAtEnd ( 1 ) );
        UT_EQ(  '\0',      subs.CharAtEnd (-1 ) );
        UT_EQ(  '\0',      subs.CharAtEnd ( 2 ) );
        UT_EQ(  '\0',      subs.CharAtEnd (-2 ) );
    }

    // empty substring
    {
        Substring subs= new Substring("aaaaaaaaaaaa");
        subs.Start= 5;
        subs.End=   4;
        UT_EQ(  '\0',      subs.CharAtStart(   ) );
        UT_EQ(  '\0',      subs.CharAt( 0 ) );
        UT_EQ(  '\0',      subs.CharAt( 1 ) );
        UT_EQ(  '\0',      subs.CharAt(-1 ) );
        UT_EQ(  '\0',      subs.CharAt( 2 ) );
        UT_EQ(  '\0',      subs.CharAt(-2 ) );

        UT_EQ(  '\0',      subs.CharAtEnd (   ) );
        UT_EQ(  '\0',      subs.CharAtEnd ( 0 ) );
        UT_EQ(  '\0',      subs.CharAtEnd ( 1 ) );
        UT_EQ(  '\0',      subs.CharAtEnd (-1 ) );
        UT_EQ(  '\0',      subs.CharAtEnd ( 2 ) );
        UT_EQ(  '\0',      subs.CharAtEnd (-2 ) );
    }

    // substring of length 1
    {
        Substring subs= new Substring("aaaaaaaaaaaa");
        subs.Start= subs.End= 5;
        UT_EQ('a',      subs.CharAtStart(   ) );
        UT_EQ('a',      subs.CharAt( 0 ) );
        UT_EQ('\0',     subs.CharAt( 1 ) );
        UT_EQ('\0',     subs.CharAt(-1 ) );
        UT_EQ('\0',     subs.CharAt( 2 ) );
        UT_EQ('\0',     subs.CharAt(-2 ) );

        UT_EQ('a',      subs.CharAtEnd (   ) );
        UT_EQ('a',      subs.CharAtEnd ( 0 ) );
        UT_EQ('\0',     subs.CharAtEnd ( 1 ) );
        UT_EQ('\0',     subs.CharAtEnd (-1 ) );
        UT_EQ('\0',     subs.CharAtEnd ( 2 ) );
        UT_EQ('\0',     subs.CharAtEnd (-2 ) );
    }

    // substring of length 2
    {
        Substring subs= new Substring("aaaaabbbbbb");
        subs.End= subs.IndexOf('b');
        subs.Start= subs.End - 1;
        UT_EQ('a',      subs.CharAtStart(   ) );
        UT_EQ('a',      subs.CharAt( 0 ) );
        UT_EQ('b',      subs.CharAt( 1 ) );
        UT_EQ('\0',     subs.CharAt(-1 ) );
        UT_EQ('\0',     subs.CharAt( 2 ) );
        UT_EQ('\0',     subs.CharAt(-2 ) );

        UT_EQ('b',      subs.CharAtEnd (   ) );
        UT_EQ('b',      subs.CharAtEnd ( 0 ) );
        UT_EQ('a',      subs.CharAtEnd ( 1 ) );
        UT_EQ('\0',     subs.CharAtEnd (-1 ) );
        UT_EQ('\0',     subs.CharAtEnd ( 2 ) );
        UT_EQ('\0',     subs.CharAtEnd (-2 ) );
    }

}