Lightbox Info Board : SQLの窓


#include <stdio.h>

void CheckPrint( int i );

void
main( int argc, char *argv[] ) {

	int i;

	for ( i = 1; i <= 16; i++ ) {
		CheckPrint( 0x00 + i - 1 );
		CheckPrint( 0x10 + i - 1 );
		CheckPrint( 0x20 + i - 1 );
		CheckPrint( 0x30 + i - 1 );
		CheckPrint( 0x40 + i - 1 );
		CheckPrint( 0x50 + i - 1 );
		CheckPrint( 0x60 + i - 1 );
		CheckPrint( 0x70 + i - 1 );
		CheckPrint( 0x80 + i - 1 );
		CheckPrint( 0x90 + i - 1 );
		CheckPrint( 0xa0 + i - 1 );
		CheckPrint( 0xb0 + i - 1 );
		CheckPrint( 0xc0 + i - 1 );
		CheckPrint( 0xd0 + i - 1 );
		CheckPrint( 0xe0 + i - 1 );
		CheckPrint( 0xf0 + i - 1 );
		printf( "\n" );
	}

}

void
CheckPrint( int i )
{
	if ( i >= 0 && i <= (int)0x1f ) {
		printf( " " );
	}
	if ( i >= (int)0x20 && i <= (int)0x7e ) {
		printf( "%c", (char)i );
	}
	if ( i >= (int)0x7f && i <= (int)0xa0 ) {
		printf( " " );
	}
	if ( i >= (int)0xa1 && i <= (int)0xdf ) {
		printf( "%c", (char)i );
	}
	if ( i >= (int)0xe0 && i <= (int)0xff ) {
		printf( " " );
	}
}

等差数列の公式

初項 + ( n - 1 ) * 等差

公式を使ってソースコードを短く変更する

charce2.cpp


#include <stdio.h>

void CheckPrint( int i );

void
main( int argc, char *argv[] ) {

	int i,j;

	for ( i = 1; i <= 16; i++ ) {
		for ( j = 1; j <= 16 ; j++ ) {
			CheckPrint( ( 0x00 + ( j - 1 ) * 16 ) + i - 1 );
		}
		printf( "\n" );
	}

}

void
CheckPrint( int i )
{
	if ( i >= 0 && i <= (int)0x1f ) {
		printf( " " );
	}
	if ( i >= (int)0x20 && i <= (int)0x7e ) {
		printf( "%c", (char)i );
	}
	if ( i >= (int)0x7f && i <= (int)0xa0 ) {
		printf( " " );
	}
	if ( i >= (int)0xa1 && i <= (int)0xdf ) {
		printf( "%c", (char)i );
	}
	if ( i >= (int)0xe0 && i <= (int)0xff ) {
		printf( " " );
	}
}

CGI 用の出力

[ charcdh.cpp ]


#include <stdio.h>

void CheckPrint( int i );

void
main( int argc, char *argv[] ) {

	int i,j;

	 

	 

	 
	printf( "<td></td>" );
	for ( j = 1; j <= 16 ; j++ ) {
		printf( "<td bgcolor=skyblue>%x</td>", j - 1  );
	}
	 

	for( i = 1; i <= 16; i++ ) {
		 
		printf( "<td bgcolor=skyblue>%x</td>", i - 1  );
		for ( j = 1; j <= 16 ; j++ ) {
			CheckPrint( ( 0x00 + ( j - 1 ) * 16 ) + i - 1 );
		}
		 
		printf( "\n" );
	}
	 

}

void
CheckPrint( int i )
{
	if ( i >= 0 && i <= (int)0x1f ) {
		printf( "<td bgcolor=gray>×</td>" );
	}
	if ( i >= (int)0x20 && i <= (int)0x7e ) {
		printf( "<td>%c</td>", (char)i );
	}
	if ( i >= (int)0x7f && i <= (int)0xa0 ) {
		printf( "<td bgcolor=gray>×</td>" );
	}
	if ( i >= (int)0xa1 && i <= (int)0xdf ) {
		printf( "<td>%c</td>", (char)i );
	}
	if ( i >= (int)0xe0 && i <= (int)0xff ) {
		printf( "<td bgcolor=gray>×</td>" );
	}
}


#include <stdio.h>

#define TYPE_BIN(cd) cd >= 0 && cd <= (int)0x1f
#define TYPE_ASC(cd) cd >= (int)0x20 && cd <= (int)0x7e
#define TYPE_KJ1(cd) cd >= (int)0x7f && cd <= (int)0xa0
#define TYPE_KANA(cd) cd >= (int)0xa1 && cd <= (int)0xdf
#define TYPE_KJ2(cd) cd >= (int)0xe0 && cd <= (int)0xff

// 実際の範囲は以下の通り
//  ┏━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━
//  ┃0x00～0x7F│ ASCII と同様, 制御や文字コードとして規定される.  
//  ┃0x80～0x9F│ シフトJIS漢字の第1～第3水準の 1バイト目となる.
//  ┃0xA0～0xDF│ JIS X0201 カタカナ文字（通称半角カナ）.
//  ┃0xE0～0xFC│ シフトJIS漢字の第2・第4水準の 1バイト目となる.
//  ┗━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━

void CheckPrint( int i );

void
main( int argc, char *argv[] ) {

	int i,j;

	for ( i = 1; i <= 16; i++ ) {
		for ( j = 1; j <= 16 ; j++ ) {
			CheckPrint( ( 0x00 + ( j - 1 ) * 16 ) + i - 1 );
		}
		printf( "\n" );
	}

}

void
CheckPrint( int i )
{
	if ( TYPE_BIN(i) ) {
		printf( " " );
	}
	if ( TYPE_ASC(i) ) {
		printf( "%c", (char)i );
	}
	if ( TYPE_KJ1(i) ) {
		printf( " " );
	}
	if ( TYPE_KANA(i) ) {
		printf( "%c", (char)i );
	}
	if ( TYPE_KJ2(i) ) {
		printf( " " );
	}
}