vim: src/libvterm/src/encoding.c annotate

annotate src/libvterm/src/encoding.c @ 11776:562fa0b252c5 v8.0.0770

patch 8.0.0770: compiler warning for missing field initializer commit https://github.com/vim/vim/commit/86067eb05ef01ff4acea9b006506b2b4abd3a3eb Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 24 23:05:35 2017 +0200 patch 8.0.0770: compiler warning for missing field initializer Problem: Compiler warning for missing field initializer. Solution: Add two more values. (Yegappan Lakshmanan)

author	Christian Brabandt <cb@256bit.org>
date	Mon, 24 Jul 2017 23:15:04 +0200
parents	b8299e742f41
children	dc39ef257b60

rev	line source
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	1 #include "vterm_internal.h"
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	2
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	3 #define UNICODE_INVALID 0xFFFD
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	4
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	5 #if defined(DEBUG) && DEBUG > 1
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	6 # define DEBUG_PRINT_UTF8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	7 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	9 struct UTF8DecoderData {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	10 /* number of bytes remaining in this codepoint */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	11 int bytes_remaining;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	12
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	13 /* number of bytes total in this codepoint once it's finished
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	14 (for detecting overlongs) */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	15 int bytes_total;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	16
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	17 int this_cp;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	18 };
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	19
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	20 static void init_utf8(VTermEncoding enc UNUSED, void data_)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	21 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	22 struct UTF8DecoderData *data = data_;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	23
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	24 data->bytes_remaining = 0;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	25 data->bytes_total = 0;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	26 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	27
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	28 static void decode_utf8(VTermEncoding enc UNUSED, void data_,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	29 uint32_t cp[], int *cpi, int cplen,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	30 const char bytes[], size_t *pos, size_t bytelen)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	31 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	32 struct UTF8DecoderData *data = data_;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	33
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	34 #ifdef DEBUG_PRINT_UTF8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	35 printf("BEGIN UTF-8\n");
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	36 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	37
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	38 for(; pos < bytelen && cpi < cplen; (*pos)++) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	39 unsigned char c = bytes[*pos];
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	40
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	41 #ifdef DEBUG_PRINT_UTF8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	42 printf(" pos=%zd c=%02x rem=%d\n", *pos, c, data->bytes_remaining);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	43 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	44
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	45 if(c < 0x20) /* C0 */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	46 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	47
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	48 else if(c >= 0x20 && c < 0x7f) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	49 if(data->bytes_remaining)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	50 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	51
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	52 cp[(*cpi)++] = c;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	53 #ifdef DEBUG_PRINT_UTF8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	54 printf(" UTF-8 char: U+%04x\n", c);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	55 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	56 data->bytes_remaining = 0;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	57 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	58
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	59 else if(c == 0x7f) /* DEL */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	60 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	61
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	62 else if(c >= 0x80 && c < 0xc0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	63 if(!data->bytes_remaining) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	64 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	65 continue;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	66 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	67
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	68 data->this_cp <<= 6;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	69 data->this_cp \|= c & 0x3f;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	70 data->bytes_remaining--;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	71
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	72 if(!data->bytes_remaining) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	73 #ifdef DEBUG_PRINT_UTF8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	74 printf(" UTF-8 raw char U+%04x bytelen=%d ", data->this_cp, data->bytes_total);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	75 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	76 /* Check for overlong sequences */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	77 switch(data->bytes_total) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	78 case 2:
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	79 if(data->this_cp < 0x0080) data->this_cp = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	80 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	81 case 3:
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	82 if(data->this_cp < 0x0800) data->this_cp = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	83 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	84 case 4:
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	85 if(data->this_cp < 0x10000) data->this_cp = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	86 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	87 case 5:
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	88 if(data->this_cp < 0x200000) data->this_cp = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	89 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	90 case 6:
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	91 if(data->this_cp < 0x4000000) data->this_cp = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	92 break;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	93 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	94 /* Now look for plain invalid ones */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	95 if((data->this_cp >= 0xD800 && data->this_cp <= 0xDFFF) \|\|
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	96 data->this_cp == 0xFFFE \|\|
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	97 data->this_cp == 0xFFFF)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	98 data->this_cp = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	99 #ifdef DEBUG_PRINT_UTF8
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	100 printf(" char: U+%04x\n", data->this_cp);
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	101 #endif
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	102 cp[(*cpi)++] = data->this_cp;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	103 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	104 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	105
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	106 else if(c >= 0xc0 && c < 0xe0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	107 if(data->bytes_remaining)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	108 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	109
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	110 data->this_cp = c & 0x1f;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	111 data->bytes_total = 2;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	112 data->bytes_remaining = 1;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	113 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	114
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	115 else if(c >= 0xe0 && c < 0xf0) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	116 if(data->bytes_remaining)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	117 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	118
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	119 data->this_cp = c & 0x0f;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	120 data->bytes_total = 3;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	121 data->bytes_remaining = 2;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	122 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	123
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	124 else if(c >= 0xf0 && c < 0xf8) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	125 if(data->bytes_remaining)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	126 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	127
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	128 data->this_cp = c & 0x07;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	129 data->bytes_total = 4;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	130 data->bytes_remaining = 3;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	131 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	132
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	133 else if(c >= 0xf8 && c < 0xfc) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	134 if(data->bytes_remaining)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	135 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	136
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	137 data->this_cp = c & 0x03;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	138 data->bytes_total = 5;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	139 data->bytes_remaining = 4;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	140 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	141
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	142 else if(c >= 0xfc && c < 0xfe) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	143 if(data->bytes_remaining)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	144 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	145
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	146 data->this_cp = c & 0x01;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	147 data->bytes_total = 6;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	148 data->bytes_remaining = 5;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	149 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	150
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	151 else {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	152 cp[(*cpi)++] = UNICODE_INVALID;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	153 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	154 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	155 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	156
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	157 static VTermEncoding encoding_utf8 = {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	158 &init_utf8, /* init */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	159 &decode_utf8 /* decode */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	160 };
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	161
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	162 static void decode_usascii(VTermEncoding enc UNUSED, void data UNUSED,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	163 uint32_t cp[], int *cpi, int cplen,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	164 const char bytes[], size_t *pos, size_t bytelen)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	165 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	166 int is_gr = bytes[*pos] & 0x80;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	167
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	168 for(; pos < bytelen && cpi < cplen; (*pos)++) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	169 unsigned char c = bytes[*pos] ^ is_gr;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	170
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	171 if(c < 0x20 \|\| c == 0x7f \|\| c >= 0x80)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	172 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	173
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	174 cp[(*cpi)++] = c;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	175 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	176 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	177
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	178 static VTermEncoding encoding_usascii = {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	179 NULL, /* init */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	180 &decode_usascii /* decode */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	181 };
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	182
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	183 struct StaticTableEncoding {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	184 const VTermEncoding enc;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	185 const uint32_t chars[128];
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	186 };
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	187
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	188 static void decode_table(VTermEncoding enc, void data UNUSED,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	189 uint32_t cp[], int *cpi, int cplen,
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	190 const char bytes[], size_t *pos, size_t bytelen)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	191 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	192 struct StaticTableEncoding table = (struct StaticTableEncoding )enc;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	193 int is_gr = bytes[*pos] & 0x80;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	194
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	195 for(; pos < bytelen && cpi < cplen; (*pos)++) {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	196 unsigned char c = bytes[*pos] ^ is_gr;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	197
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	198 if(c < 0x20 \|\| c == 0x7f \|\| c >= 0x80)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	199 return;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	200
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	201 if(table->chars[c])
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	202 cp[(*cpi)++] = table->chars[c];
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	203 else
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	204 cp[(*cpi)++] = c;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	205 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	206 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	207
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	208 #include "encoding/DECdrawing.inc"
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	209 #include "encoding/uk.inc"
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	210
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	211 static struct {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	212 VTermEncodingType type;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	213 char designation;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	214 VTermEncoding *enc;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	215 }
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	216 encodings[] = {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	217 { ENC_UTF8, 'u', &encoding_utf8 },
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	218 { ENC_SINGLE_94, '0', (VTermEncoding*)&encoding_DECdrawing },
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	219 { ENC_SINGLE_94, 'A', (VTermEncoding*)&encoding_uk },
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	220 { ENC_SINGLE_94, 'B', &encoding_usascii },
11776 562fa0b252c5 patch 8.0.0770: compiler warning for missing field initializer Christian Brabandt <cb@256bit.org> parents: 11621 diff changeset	221 { 0, 0, NULL },
11621 b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	222 };
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	223
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	224 /* This ought to be INTERNAL but isn't because it's used by unit testing */
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	225 VTermEncoding *vterm_lookup_encoding(VTermEncodingType type, char designation)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	226 {
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	227 int i;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	228 for(i = 0; encodings[i].designation; i++)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	229 if(encodings[i].type == type && encodings[i].designation == designation)
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	230 return encodings[i].enc;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	231 return NULL;
b8299e742f41 patch 8.0.0693: no terminal emulator support Christian Brabandt <cb@256bit.org> parents: diff changeset	232 }

Mercurial > vim

annotate src/libvterm/src/encoding.c @ 11776:562fa0b252c5 v8.0.0770