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[ruby/prism] IBM720 encoding

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https://github.com/ruby/prism/commit/fc1f6ea3af
This commit is contained in:
Kevin Newton 2023-11-11 23:44:31 -05:00 committed by git
parent ba937eee0b
commit 8c44d69b9f
4 changed files with 38 additions and 0 deletions
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1
prism/enc/pm_encoding.h
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@ -165,6 +165,7 @@ extern pm_encoding_t pm_encoding_cp855;
extern pm_encoding_t pm_encoding_euc_jp;
extern pm_encoding_t pm_encoding_gbk;
extern pm_encoding_t pm_encoding_ibm437;
extern pm_encoding_t pm_encoding_ibm720;
extern pm_encoding_t pm_encoding_iso_8859_1;
extern pm_encoding_t pm_encoding_iso_8859_2;
extern pm_encoding_t pm_encoding_iso_8859_3;

35
prism/enc/pm_tables.c
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@ -120,6 +120,30 @@ static uint8_t pm_encoding_ibm437_table[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Fx
};
/**
* Each element of the following table contains a bitfield that indicates a
* piece of information about the corresponding IBM720 character.
*/
static uint8_t pm_encoding_ibm720_table[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, 0, 0, 0, 0, 0, 0, 0, // 0x
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 1x
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 2x
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, // 3x
0, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, // 4x
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 0, 0, 0, 0, 0, // 5x
0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // 6x
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 0, 0, 0, // 7x
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 8x
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 9x
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Ax
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Bx
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Cx
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Dx
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Ex
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // Fx
};
/**
* Each element of the following table contains a bitfield that indicates a
* piece of information about the corresponding ISO-8859-1 character.
@ -789,6 +813,7 @@ PRISM_ENCODING_TABLE(cp850)
PRISM_ENCODING_TABLE(cp852)
PRISM_ENCODING_TABLE(cp855)
PRISM_ENCODING_TABLE(ibm437)
PRISM_ENCODING_TABLE(ibm720)
PRISM_ENCODING_TABLE(iso_8859_1)
PRISM_ENCODING_TABLE(iso_8859_2)
PRISM_ENCODING_TABLE(iso_8859_3)
@ -877,6 +902,16 @@ pm_encoding_t pm_encoding_ibm437 = {
.multibyte = false
};
/** IBM720 */
pm_encoding_t pm_encoding_ibm720 = {
.name = "IBM720",
.char_width = pm_encoding_single_char_width,
.alnum_char = pm_encoding_ibm720_alnum_char,
.alpha_char = pm_encoding_ibm720_alpha_char,
.isupper_char = pm_encoding_ibm720_isupper_char,
.multibyte = false
};
/** ISO-8859-1 */
pm_encoding_t pm_encoding_iso_8859_1 = {
.name = "ISO-8859-1",

1
prism/prism.c
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@ -6073,6 +6073,7 @@ parser_lex_magic_comment_encoding_value(pm_parser_t *parser, const uint8_t *star
ENCODING1("CP855", pm_encoding_cp855);
ENCODING2("GBK", "CP936", pm_encoding_gbk);
ENCODING2("IBM437", "CP437", pm_encoding_ibm437);
ENCODING2("IBM720", "CP720", pm_encoding_ibm720);
ENCODING2("ISO-8859-1", "ISO8859-1", pm_encoding_iso_8859_1);
ENCODING2("ISO-8859-2", "ISO8859-2", pm_encoding_iso_8859_2);
ENCODING2("ISO-8859-3", "ISO8859-3", pm_encoding_iso_8859_3);

1
test/prism/encoding_test.rb
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@ -15,6 +15,7 @@ module Prism
Encoding::EUC_JP,
Encoding::GBK,
Encoding::IBM437,
Encoding::IBM720,
Encoding::ISO_8859_1,
Encoding::ISO_8859_2,
Encoding::ISO_8859_3,