ctype.c

Go to the documentation of this file.

// SPDX-License-Identifier: GPL-2.0
/*
 * Sane locale-independent, ASCII ctype.
 *
 * No surprises, and works with signed and unsigned chars.
 */
#include "sane_ctype.h"

enum {
    S = GIT_SPACE,
    A = GIT_ALPHA,
    D = GIT_DIGIT,
    G = GIT_GLOB_SPECIAL,   /* *, ?, [, \\ */
    R = GIT_REGEX_SPECIAL,  /* $, (, ), +, ., ^, {, | * */
    P = GIT_PRINT_EXTRA,    /* printable - alpha - digit - glob - regex */

    PS = GIT_SPACE | GIT_PRINT_EXTRA,
};

unsigned char sane_ctype[256] = {
/*  0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F              */

    0, 0, 0, 0, 0, 0, 0, 0, 0, S, S, 0, 0, S, 0, 0,     /*   0.. 15 */
    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,     /*  16.. 31 */
    PS,P, P, P, R, P, P, P, R, R, G, R, P, P, R, P,     /*  32.. 47 */
    D, D, D, D, D, D, D, D, D, D, P, P, P, P, P, G,     /*  48.. 63 */
    P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,     /*  64.. 79 */
    A, A, A, A, A, A, A, A, A, A, A, G, G, P, R, P,     /*  80.. 95 */
    P, A, A, A, A, A, A, A, A, A, A, A, A, A, A, A,     /*  96..111 */
    A, A, A, A, A, A, A, A, A, A, A, R, R, P, P, 0,     /* 112..127 */
    /* Nothing in the 128.. range */
};

const char *graph_line =
    "_____________________________________________________________________"
    "_____________________________________________________________________"
    "_____________________________________________________________________";
const char *graph_dotted_line =
    "---------------------------------------------------------------------"
    "---------------------------------------------------------------------"
    "---------------------------------------------------------------------";
const char *spaces =
    "                                                                     "
    "                                                                     "
    "                                                                     ";
const char *dots =
    "....................................................................."
    "....................................................................."
    ".....................................................................";