Sha256: 3e353699e821f77a311ad1c6306634bcc2415ce08d93348d3a99902e8171cf0d

Contents?: true

Size: 1.45 KB

Versions: 12

Compression:

Stored size: 1.45 KB

Contents

#include "prism/enc/pm_encoding.h"

static size_t
pm_encoding_windows_31j_char_width(const uint8_t *b, ptrdiff_t n) {
    // These are the single byte characters.
    if (*b < 0x80 || (*b >= 0xA1 && *b <= 0xDF)) {
        return 1;
    }

    // These are the double byte characters.
    if (
        (n > 1) &&
        ((b[0] >= 0x81 && b[0] <= 0x9F) || (b[0] >= 0xE0 && b[0] <= 0xFC)) &&
        (b[1] >= 0x40 && b[1] <= 0xFC)
    ) {
        return 2;
    }

    return 0;
}

static size_t
pm_encoding_windows_31j_alpha_char(const uint8_t *b, ptrdiff_t n) {
    if (pm_encoding_windows_31j_char_width(b, n) == 1) {
        return pm_encoding_ascii_alpha_char(b, n);
    } else {
        return 0;
    }
}

static size_t
pm_encoding_windows_31j_alnum_char(const uint8_t *b, ptrdiff_t n) {
    if (pm_encoding_windows_31j_char_width(b, n) == 1) {
        return pm_encoding_ascii_alnum_char(b, n);
    } else {
        return 0;
    }
}

static bool
pm_encoding_windows_31j_isupper_char(const uint8_t *b, ptrdiff_t n) {
    if (pm_encoding_windows_31j_char_width(b, n) == 1) {
        return pm_encoding_ascii_isupper_char(b, n);
    } else {
        return false;
    }
}

pm_encoding_t pm_encoding_windows_31j = {
    .name = "windows-31j",
    .char_width = pm_encoding_windows_31j_char_width,
    .alnum_char = pm_encoding_windows_31j_alnum_char,
    .alpha_char = pm_encoding_windows_31j_alpha_char,
    .isupper_char = pm_encoding_windows_31j_isupper_char,
    .multibyte = true
};

Version data entries

12 entries across 12 versions & 3 rubygems

Version Path
study_line-0.1.6 vendor/bundle/ruby/3.2.0/gems/prism-0.15.1/src/enc/pm_windows_31j.c
study_line-0.1.5 vendor/bundle/ruby/3.2.0/gems/prism-0.15.1/src/enc/pm_windows_31j.c
study_line-0.1.4 vendor/bundle/ruby/3.2.0/gems/prism-0.15.1/src/enc/pm_windows_31j.c
study_line-0.1.3 vendor/bundle/ruby/3.2.0/gems/prism-0.15.1/src/enc/pm_windows_31j.c
study_line-0.1.2 vendor/bundle/ruby/3.2.0/gems/prism-0.15.1/src/enc/pm_windows_31j.c
study_line-0.1.1 vendor/bundle/ruby/3.2.0/gems/prism-0.15.1/src/enc/pm_windows_31j.c
prism-0.16.0 src/enc/pm_windows_31j.c
prism-0.15.1 src/enc/pm_windows_31j.c
prism-0.15.0 src/enc/pm_windows_31j.c
prism-0.14.0 src/enc/pm_windows_31j.c
yarp-0.13.0 src/enc/pm_windows_31j.c
prism-0.13.0 src/enc/pm_windows_31j.c