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Added an enumerated type of ASCII control character.

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dukc 2019-05-16 18:19:06 +03:00
parent 4851827804
commit 6af0f68058
2 changed files with 75 additions and 0 deletions
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65
std/ascii.d
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@ -46,6 +46,7 @@ $(TR $(TD Constants) $(TD
$(LREF whitespace)
))
$(TR $(TD Enums) $(TD
$(LREF ControlChar)
$(LREF LetterCase)
))
))
@ -102,6 +103,70 @@ enum LetterCase : bool
assert(sha1HMAC == "49f2073c7bf58577e8c9ae59fe8cfd37c9ab94e5");
}
/++
All the control characters in ASCII table
+/
enum ControlChar : char
{
NUL = '\x00', /// Null
SOH = '\x01', /// Start of heading
STX = '\x02', /// Start of text
ETX = '\x03', /// End of text
EOT = '\x04', /// End of transmission
ENQ = '\x05', /// Enquiry
ACK = '\x06', /// Acknowledge
BEL = '\x07', /// Bell
BS = '\x08', /// Backspace
TAB = '\x09', /// Horizontal tab
LF = '\x0A', /// NL line feed, new line
VT = '\x0B', /// Vertical tab
FF = '\x0C', /// NP form feed, new page
CR = '\x0D', /// Carriage return
SO = '\x0E', /// Shift out
SI = '\x0F', /// Shift in
DLE = '\x10', /// Data link escape
DC1 = '\x11', /// Device control 1
DC2 = '\x12', /// Device control 2
DC3 = '\x13', /// Device control 3
DC4 = '\x14', /// Device control 4
NAK = '\x15', /// Negative acknowledge
SYN = '\x16', /// Synchronous idle
ETB = '\x17', /// End of transmission block
CAN = '\x18', /// Cancel
EM = '\x19', /// End of medium
SUB = '\x1A', /// Substitute
ESC = '\x1B', /// Escape
FS = '\x1C', /// File separator
GS = '\x1D', /// Group separator
RS = '\x1E', /// Record separator
US = '\x1F', /// Unit separator
DEL = '\x7F' /// Delete
}
///
@safe pure nothrow @nogc unittest
{
// Because all ASCII characters fit in char, so do these
static assert(ControlChar.ACK.sizeof == 1);
static assert(ControlChar.NUL == '\0');
static assert(ControlChar.BEL == '\a');
static assert(ControlChar.BS == '\b');
static assert(ControlChar.FF == '\f');
static assert(ControlChar.LF == '\n');
static assert(ControlChar.CR == '\r');
static assert(ControlChar.TAB == '\t');
static assert(ControlChar.VT == '\v');
}
///
@safe pure nothrow unittest
{
import std.conv;
//Control character table can be used in place of hexcodes.
with (ControlChar) assert(text("Phobos", US, "Deimos", US, "Tango", RS) == "Phobos\x1FDeimos\x1FTango\x1E");
}
/// Newline sequence for this system.
version (Windows)
immutable newline = "\r\n";