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128 lines
6.2 KiB
128 lines
6.2 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx;
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public class Byte_ascii {
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public static final byte
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Null = 0 , Backfeed = 8, Tab = 9
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, Nl = 10, Formfeed = 12, Cr = 13
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, Escape = 27
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, Space = 32, Bang = 33, Quote = 34
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, Hash = 35, Dollar = 36, Percent = 37, Amp = 38, Apos = 39
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, Paren_bgn = 40, Paren_end = 41, Star = 42, Plus = 43, Comma = 44
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, Dash = 45, Dot = 46, Slash = 47, Num_0 = 48, Num_1 = 49
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, Num_2 = 50, Num_3 = 51, Num_4 = 52, Num_5 = 53, Num_6 = 54
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, Num_7 = 55, Num_8 = 56, Num_9 = 57, Colon = 58, Semic = 59
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, Lt = 60, Eq = 61, Gt = 62, Question = 63, At = 64
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, Ltr_A = 65, Ltr_B = 66, Ltr_C = 67, Ltr_D = 68, Ltr_E = 69
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, Ltr_F = 70, Ltr_G = 71, Ltr_H = 72, Ltr_I = 73, Ltr_J = 74
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, Ltr_K = 75, Ltr_L = 76, Ltr_M = 77, Ltr_N = 78, Ltr_O = 79
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, Ltr_P = 80, Ltr_Q = 81, Ltr_R = 82, Ltr_S = 83, Ltr_T = 84
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, Ltr_U = 85, Ltr_V = 86, Ltr_W = 87, Ltr_X = 88, Ltr_Y = 89
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, Ltr_Z = 90, Brack_bgn = 91, Backslash = 92, Brack_end = 93, Pow = 94 // Circumflex
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, Underline = 95, Tick = 96, Ltr_a = 97, Ltr_b = 98, Ltr_c = 99
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, Ltr_d = 100, Ltr_e = 101, Ltr_f = 102, Ltr_g = 103, Ltr_h = 104
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, Ltr_i = 105, Ltr_j = 106, Ltr_k = 107, Ltr_l = 108, Ltr_m = 109
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, Ltr_n = 110, Ltr_o = 111, Ltr_p = 112, Ltr_q = 113, Ltr_r = 114
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, Ltr_s = 115, Ltr_t = 116, Ltr_u = 117, Ltr_v = 118, Ltr_w = 119
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, Ltr_x = 120, Ltr_y = 121, Ltr_z = 122, Curly_bgn = 123, Pipe = 124
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, Curly_end = 125, Tilde = 126
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;
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public static final byte
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Angle_bgn = Lt, Angle_end = Gt
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;
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public static final byte Max_7_bit = (byte)127, Ascii_min = 0, Ascii_max = 127;
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public static boolean Is_sym(byte b) {
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switch (b) {
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case Byte_ascii.Bang: case Byte_ascii.Quote:
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case Byte_ascii.Hash: case Byte_ascii.Dollar: case Byte_ascii.Percent: case Byte_ascii.Amp: case Byte_ascii.Apos:
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case Byte_ascii.Paren_bgn: case Byte_ascii.Paren_end: case Byte_ascii.Star: case Byte_ascii.Plus: case Byte_ascii.Comma:
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case Byte_ascii.Dash: case Byte_ascii.Dot: case Byte_ascii.Slash:
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case Byte_ascii.Colon: case Byte_ascii.Semic:
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case Byte_ascii.Lt: case Byte_ascii.Eq: case Byte_ascii.Gt: case Byte_ascii.Question: case Byte_ascii.At:
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case Byte_ascii.Brack_bgn: case Byte_ascii.Backslash: case Byte_ascii.Brack_end: case Byte_ascii.Pow:
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case Byte_ascii.Underline: case Byte_ascii.Tick:
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case Byte_ascii.Curly_bgn: case Byte_ascii.Pipe:
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case Byte_ascii.Curly_end: case Byte_ascii.Tilde:
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return true;
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default:
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return false;
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}
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}
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public static boolean Is_ltr(byte b) {
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return ( b >= Byte_ascii.Ltr_a && b <= Byte_ascii.Ltr_z
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|| b >= Byte_ascii.Ltr_A && b <= Byte_ascii.Ltr_Z);
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}
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public static boolean Is_ws(byte b) {
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switch (b) {
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case Byte_ascii.Tab: case Byte_ascii.Nl: case Byte_ascii.Cr: case Byte_ascii.Space: return true;
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default: return false;
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}
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}
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public static boolean Is_num(byte b) {
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return b > Byte_ascii.Slash && b < Byte_ascii.Colon;
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}
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public static byte To_a7_int(byte b) {return (byte)(b - Byte_ascii.Num_0);}
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public static byte To_a7_str(int digit) {
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switch (digit) {
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case 0: return Byte_ascii.Num_0; case 1: return Byte_ascii.Num_1; case 2: return Byte_ascii.Num_2; case 3: return Byte_ascii.Num_3; case 4: return Byte_ascii.Num_4;
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case 5: return Byte_ascii.Num_5; case 6: return Byte_ascii.Num_6; case 7: return Byte_ascii.Num_7; case 8: return Byte_ascii.Num_8; case 9: return Byte_ascii.Num_9;
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default: throw Err_.new_("Byte_ascii", "unknown digit", "digit", digit);
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}
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}
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public static String To_str(byte b) {return Char_.To_str((char)b);}
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public static byte Case_upper(byte b) {
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return b > 96 && b < 123
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? (byte)(b - 32)
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: b;
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}
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public static byte Case_lower(byte b) {
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return b > 64 && b < 91
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? (byte)(b + 32)
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: b;
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}
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public static final byte[] Space_len2 = new byte[] {Space, Space}, Space_len4 = new byte[] {Space, Space, Space, Space};
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public static final byte[]
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Tab_bry = new byte[] {Byte_ascii.Tab}
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, Nl_bry = new byte[] {Byte_ascii.Nl}
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, Space_bry = new byte[] {Byte_ascii.Space}
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, Bang_bry = new byte[] {Byte_ascii.Bang}
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, Quote_bry = new byte[] {Byte_ascii.Quote}
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, Hash_bry = new byte[] {Byte_ascii.Hash}
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, Dot_bry = new byte[] {Byte_ascii.Dot}
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, Angle_bgn_bry = new byte[] {Byte_ascii.Angle_bgn}
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, Angle_end_bry = new byte[] {Byte_ascii.Angle_end}
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, Comma_bry = new byte[] {Byte_ascii.Comma}
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, Colon_bry = new byte[] {Byte_ascii.Colon}
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, Semic_bry = new byte[] {Byte_ascii.Semic}
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, Eq_bry = new byte[] {Byte_ascii.Eq}
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, Amp_bry = new byte[] {Byte_ascii.Amp}
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, Lt_bry = new byte[] {Byte_ascii.Lt}
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, Gt_bry = new byte[] {Byte_ascii.Gt}
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, Question_bry = new byte[] {Byte_ascii.Question}
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, Brack_bgn_bry = new byte[] {Byte_ascii.Brack_bgn}
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, Brack_end_bry = new byte[] {Byte_ascii.Brack_end}
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, Apos_bry = new byte[] {Byte_ascii.Apos}
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, Pipe_bry = new byte[] {Byte_ascii.Pipe}
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, Underline_bry = new byte[] {Byte_ascii.Underline}
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, Slash_bry = new byte[] {Byte_ascii.Slash}
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, Star_bry = new byte[] {Byte_ascii.Star}
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, Dash_bry = new byte[] {Byte_ascii.Dash}
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, Cr_lf_bry = new byte[] {Byte_ascii.Cr, Byte_ascii.Nl}
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;
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}
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