diff options
Diffstat (limited to 'src/vterm')
| -rw-r--r-- | src/vterm/LICENSE | 23 | ||||
| -rw-r--r-- | src/vterm/encoding.c | 230 | ||||
| -rw-r--r-- | src/vterm/encoding/DECdrawing.inc | 36 | ||||
| -rw-r--r-- | src/vterm/encoding/uk.inc | 6 | ||||
| -rw-r--r-- | src/vterm/keyboard.c | 225 | ||||
| -rw-r--r-- | src/vterm/mouse.c | 99 | ||||
| -rw-r--r-- | src/vterm/parser.c | 408 | ||||
| -rw-r--r-- | src/vterm/pen.c | 678 | ||||
| -rw-r--r-- | src/vterm/rect.h | 56 | ||||
| -rw-r--r-- | src/vterm/screen.c | 1174 | ||||
| -rw-r--r-- | src/vterm/state.c | 2281 | ||||
| -rw-r--r-- | src/vterm/vterm.c | 432 | ||||
| -rw-r--r-- | src/vterm/vterm.h | 638 | ||||
| -rw-r--r-- | src/vterm/vterm_internal.h | 298 | ||||
| -rw-r--r-- | src/vterm/vterm_keycodes.h | 61 |
15 files changed, 0 insertions, 6645 deletions
diff --git a/src/vterm/LICENSE b/src/vterm/LICENSE deleted file mode 100644 index 0d051634b2..0000000000 --- a/src/vterm/LICENSE +++ /dev/null @@ -1,23 +0,0 @@ - - -The MIT License - -Copyright (c) 2008 Paul Evans <leonerd@leonerd.org.uk> - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -THE SOFTWARE. diff --git a/src/vterm/encoding.c b/src/vterm/encoding.c deleted file mode 100644 index 434ac3f99b..0000000000 --- a/src/vterm/encoding.c +++ /dev/null @@ -1,230 +0,0 @@ -#include "vterm_internal.h" - -#define UNICODE_INVALID 0xFFFD - -#if defined(DEBUG) && DEBUG > 1 -# define DEBUG_PRINT_UTF8 -#endif - -struct UTF8DecoderData { - // number of bytes remaining in this codepoint - int bytes_remaining; - - // number of bytes total in this codepoint once it's finished - // (for detecting overlongs) - int bytes_total; - - int this_cp; -}; - -static void init_utf8(VTermEncoding *enc, void *data_) -{ - struct UTF8DecoderData *data = data_; - - data->bytes_remaining = 0; - data->bytes_total = 0; -} - -static void decode_utf8(VTermEncoding *enc, void *data_, - uint32_t cp[], int *cpi, int cplen, - const char bytes[], size_t *pos, size_t bytelen) -{ - struct UTF8DecoderData *data = data_; - -#ifdef DEBUG_PRINT_UTF8 - printf("BEGIN UTF-8\n"); -#endif - - for(; *pos < bytelen && *cpi < cplen; (*pos)++) { - unsigned char c = bytes[*pos]; - -#ifdef DEBUG_PRINT_UTF8 - printf(" pos=%zd c=%02x rem=%d\n", *pos, c, data->bytes_remaining); -#endif - - if(c < 0x20) // C0 - return; - - else if(c >= 0x20 && c < 0x7f) { - if(data->bytes_remaining) - cp[(*cpi)++] = UNICODE_INVALID; - - cp[(*cpi)++] = c; -#ifdef DEBUG_PRINT_UTF8 - printf(" UTF-8 char: U+%04x\n", c); -#endif - data->bytes_remaining = 0; - } - - else if(c == 0x7f) // DEL - return; - - else if(c >= 0x80 && c < 0xc0) { - if(!data->bytes_remaining) { - cp[(*cpi)++] = UNICODE_INVALID; - continue; - } - - data->this_cp <<= 6; - data->this_cp |= c & 0x3f; - data->bytes_remaining--; - - if(!data->bytes_remaining) { -#ifdef DEBUG_PRINT_UTF8 - printf(" UTF-8 raw char U+%04x bytelen=%d ", data->this_cp, data->bytes_total); -#endif - // Check for overlong sequences - switch(data->bytes_total) { - case 2: - if(data->this_cp < 0x0080) data->this_cp = UNICODE_INVALID; - break; - case 3: - if(data->this_cp < 0x0800) data->this_cp = UNICODE_INVALID; - break; - case 4: - if(data->this_cp < 0x10000) data->this_cp = UNICODE_INVALID; - break; - case 5: - if(data->this_cp < 0x200000) data->this_cp = UNICODE_INVALID; - break; - case 6: - if(data->this_cp < 0x4000000) data->this_cp = UNICODE_INVALID; - break; - } - // Now look for plain invalid ones - if((data->this_cp >= 0xD800 && data->this_cp <= 0xDFFF) || - data->this_cp == 0xFFFE || - data->this_cp == 0xFFFF) - data->this_cp = UNICODE_INVALID; -#ifdef DEBUG_PRINT_UTF8 - printf(" char: U+%04x\n", data->this_cp); -#endif - cp[(*cpi)++] = data->this_cp; - } - } - - else if(c >= 0xc0 && c < 0xe0) { - if(data->bytes_remaining) - cp[(*cpi)++] = UNICODE_INVALID; - - data->this_cp = c & 0x1f; - data->bytes_total = 2; - data->bytes_remaining = 1; - } - - else if(c >= 0xe0 && c < 0xf0) { - if(data->bytes_remaining) - cp[(*cpi)++] = UNICODE_INVALID; - - data->this_cp = c & 0x0f; - data->bytes_total = 3; - data->bytes_remaining = 2; - } - - else if(c >= 0xf0 && c < 0xf8) { - if(data->bytes_remaining) - cp[(*cpi)++] = UNICODE_INVALID; - - data->this_cp = c & 0x07; - data->bytes_total = 4; - data->bytes_remaining = 3; - } - - else if(c >= 0xf8 && c < 0xfc) { - if(data->bytes_remaining) - cp[(*cpi)++] = UNICODE_INVALID; - - data->this_cp = c & 0x03; - data->bytes_total = 5; - data->bytes_remaining = 4; - } - - else if(c >= 0xfc && c < 0xfe) { - if(data->bytes_remaining) - cp[(*cpi)++] = UNICODE_INVALID; - - data->this_cp = c & 0x01; - data->bytes_total = 6; - data->bytes_remaining = 5; - } - - else { - cp[(*cpi)++] = UNICODE_INVALID; - } - } -} - -static VTermEncoding encoding_utf8 = { - .init = &init_utf8, - .decode = &decode_utf8, -}; - -static void decode_usascii(VTermEncoding *enc, void *data, - uint32_t cp[], int *cpi, int cplen, - const char bytes[], size_t *pos, size_t bytelen) -{ - int is_gr = bytes[*pos] & 0x80; - - for(; *pos < bytelen && *cpi < cplen; (*pos)++) { - unsigned char c = bytes[*pos] ^ is_gr; - - if(c < 0x20 || c == 0x7f || c >= 0x80) - return; - - cp[(*cpi)++] = c; - } -} - -static VTermEncoding encoding_usascii = { - .decode = &decode_usascii, -}; - -struct StaticTableEncoding { - const VTermEncoding enc; - const uint32_t chars[128]; -}; - -static void decode_table(VTermEncoding *enc, void *data, - uint32_t cp[], int *cpi, int cplen, - const char bytes[], size_t *pos, size_t bytelen) -{ - struct StaticTableEncoding *table = (struct StaticTableEncoding *)enc; - int is_gr = bytes[*pos] & 0x80; - - for(; *pos < bytelen && *cpi < cplen; (*pos)++) { - unsigned char c = bytes[*pos] ^ is_gr; - - if(c < 0x20 || c == 0x7f || c >= 0x80) - return; - - if(table->chars[c]) - cp[(*cpi)++] = table->chars[c]; - else - cp[(*cpi)++] = c; - } -} - -#include "encoding/DECdrawing.inc" -#include "encoding/uk.inc" - -static struct { - VTermEncodingType type; - char designation; - VTermEncoding *enc; -} -encodings[] = { - { ENC_UTF8, 'u', &encoding_utf8 }, - { ENC_SINGLE_94, '0', (VTermEncoding*)&encoding_DECdrawing }, - { ENC_SINGLE_94, 'A', (VTermEncoding*)&encoding_uk }, - { ENC_SINGLE_94, 'B', &encoding_usascii }, - { 0 }, -}; - -/* This ought to be INTERNAL but isn't because it's used by unit testing */ -VTermEncoding *vterm_lookup_encoding(VTermEncodingType type, char designation) -{ - for(int i = 0; encodings[i].designation; i++) - if(encodings[i].type == type && encodings[i].designation == designation) - return encodings[i].enc; - return NULL; -} diff --git a/src/vterm/encoding/DECdrawing.inc b/src/vterm/encoding/DECdrawing.inc deleted file mode 100644 index 627397bcc2..0000000000 --- a/src/vterm/encoding/DECdrawing.inc +++ /dev/null @@ -1,36 +0,0 @@ -static const struct StaticTableEncoding encoding_DECdrawing = { - { .decode = &decode_table }, - { - [0x60] = 0x25C6, // BLACK DIAMOND - [0x61] = 0x2592, // MEDIUM SHADE (checkerboard) - [0x62] = 0x2409, // SYMBOL FOR HORIZONTAL TAB - [0x63] = 0x240C, // SYMBOL FOR FORM FEED - [0x64] = 0x240D, // SYMBOL FOR CARRIAGE RETURN - [0x65] = 0x240A, // SYMBOL FOR LINE FEED - [0x66] = 0x00B0, // DEGREE SIGN - [0x67] = 0x00B1, // PLUS-MINUS SIGN (plus or minus) - [0x68] = 0x2424, // SYMBOL FOR NEW LINE - [0x69] = 0x240B, // SYMBOL FOR VERTICAL TAB - [0x6a] = 0x2518, // BOX DRAWINGS LIGHT UP AND LEFT (bottom-right corner) - [0x6b] = 0x2510, // BOX DRAWINGS LIGHT DOWN AND LEFT (top-right corner) - [0x6c] = 0x250C, // BOX DRAWINGS LIGHT DOWN AND RIGHT (top-left corner) - [0x6d] = 0x2514, // BOX DRAWINGS LIGHT UP AND RIGHT (bottom-left corner) - [0x6e] = 0x253C, // BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL (crossing lines) - [0x6f] = 0x23BA, // HORIZONTAL SCAN LINE-1 - [0x70] = 0x23BB, // HORIZONTAL SCAN LINE-3 - [0x71] = 0x2500, // BOX DRAWINGS LIGHT HORIZONTAL - [0x72] = 0x23BC, // HORIZONTAL SCAN LINE-7 - [0x73] = 0x23BD, // HORIZONTAL SCAN LINE-9 - [0x74] = 0x251C, // BOX DRAWINGS LIGHT VERTICAL AND RIGHT - [0x75] = 0x2524, // BOX DRAWINGS LIGHT VERTICAL AND LEFT - [0x76] = 0x2534, // BOX DRAWINGS LIGHT UP AND HORIZONTAL - [0x77] = 0x252C, // BOX DRAWINGS LIGHT DOWN AND HORIZONTAL - [0x78] = 0x2502, // BOX DRAWINGS LIGHT VERTICAL - [0x79] = 0x2A7D, // LESS-THAN OR SLANTED EQUAL-TO - [0x7a] = 0x2A7E, // GREATER-THAN OR SLANTED EQUAL-TO - [0x7b] = 0x03C0, // GREEK SMALL LETTER PI - [0x7c] = 0x2260, // NOT EQUAL TO - [0x7d] = 0x00A3, // POUND SIGN - [0x7e] = 0x00B7, // MIDDLE DOT - } -}; diff --git a/src/vterm/encoding/uk.inc b/src/vterm/encoding/uk.inc deleted file mode 100644 index 5c7700226b..0000000000 --- a/src/vterm/encoding/uk.inc +++ /dev/null @@ -1,6 +0,0 @@ -static const struct StaticTableEncoding encoding_uk = { - { .decode = &decode_table }, - { - [0x23] = 0x00a3, // £ - } -}; diff --git a/src/vterm/keyboard.c b/src/vterm/keyboard.c deleted file mode 100644 index 7e062c8c02..0000000000 --- a/src/vterm/keyboard.c +++ /dev/null @@ -1,225 +0,0 @@ -#include "vterm_internal.h" -#include <stdio.h> - -#include "nvim/tui/termkey/termkey.h" - -void vterm_keyboard_unichar(VTerm *vt, uint32_t c, VTermModifier mod) -{ - /* The shift modifier is never important for Unicode characters - * apart from Space - */ - if(c != ' ') - mod &= ~VTERM_MOD_SHIFT; - - if(mod == 0) { - // Normal text - ignore just shift - char str[6]; - int seqlen = fill_utf8(c, str); - vterm_push_output_bytes(vt, str, seqlen); - return; - } - - int needs_CSIu; - switch(c) { - /* Special Ctrl- letters that can't be represented elsewise */ - case 'i': case 'j': case 'm': case '[': - needs_CSIu = 1; - break; - /* Ctrl-\ ] ^ _ don't need CSUu */ - case '\\': case ']': case '^': case '_': - needs_CSIu = 0; - break; - /* Shift-space needs CSIu */ - case ' ': - needs_CSIu = !!(mod & VTERM_MOD_SHIFT); - break; - /* All other characters needs CSIu except for letters a-z */ - default: - needs_CSIu = (c < 'a' || c > 'z'); - } - - /* ALT we can just prefix with ESC; anything else requires CSI u */ - if(needs_CSIu && (mod & ~VTERM_MOD_ALT)) { - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d;%du", c, mod+1); - return; - } - - if(mod & VTERM_MOD_CTRL) - c &= 0x1f; - - vterm_push_output_sprintf(vt, "%s%c", mod & VTERM_MOD_ALT ? ESC_S : "", c); -} - -typedef struct { - enum { - KEYCODE_NONE, - KEYCODE_LITERAL, - KEYCODE_TAB, - KEYCODE_ENTER, - KEYCODE_SS3, - KEYCODE_CSI, - KEYCODE_CSI_CURSOR, - KEYCODE_CSINUM, - KEYCODE_KEYPAD, - } type; - char literal; - int csinum; -} keycodes_s; - -static keycodes_s keycodes[] = { - { KEYCODE_NONE }, // NONE - - { KEYCODE_ENTER, '\r' }, // ENTER - { KEYCODE_TAB, '\t' }, // TAB - { KEYCODE_LITERAL, '\x7f' }, // BACKSPACE == ASCII DEL - { KEYCODE_LITERAL, '\x1b' }, // ESCAPE - - { KEYCODE_CSI_CURSOR, 'A' }, // UP - { KEYCODE_CSI_CURSOR, 'B' }, // DOWN - { KEYCODE_CSI_CURSOR, 'D' }, // LEFT - { KEYCODE_CSI_CURSOR, 'C' }, // RIGHT - - { KEYCODE_CSINUM, '~', 2 }, // INS - { KEYCODE_CSINUM, '~', 3 }, // DEL - { KEYCODE_CSI_CURSOR, 'H' }, // HOME - { KEYCODE_CSI_CURSOR, 'F' }, // END - { KEYCODE_CSINUM, '~', 5 }, // PAGEUP - { KEYCODE_CSINUM, '~', 6 }, // PAGEDOWN -}; - -static keycodes_s keycodes_fn[] = { - { KEYCODE_NONE }, // F0 - shouldn't happen - { KEYCODE_SS3, 'P' }, // F1 - { KEYCODE_SS3, 'Q' }, // F2 - { KEYCODE_SS3, 'R' }, // F3 - { KEYCODE_SS3, 'S' }, // F4 - { KEYCODE_CSINUM, '~', 15 }, // F5 - { KEYCODE_CSINUM, '~', 17 }, // F6 - { KEYCODE_CSINUM, '~', 18 }, // F7 - { KEYCODE_CSINUM, '~', 19 }, // F8 - { KEYCODE_CSINUM, '~', 20 }, // F9 - { KEYCODE_CSINUM, '~', 21 }, // F10 - { KEYCODE_CSINUM, '~', 23 }, // F11 - { KEYCODE_CSINUM, '~', 24 }, // F12 -}; - -static keycodes_s keycodes_kp[] = { - { KEYCODE_KEYPAD, '0', 'p' }, // KP_0 - { KEYCODE_KEYPAD, '1', 'q' }, // KP_1 - { KEYCODE_KEYPAD, '2', 'r' }, // KP_2 - { KEYCODE_KEYPAD, '3', 's' }, // KP_3 - { KEYCODE_KEYPAD, '4', 't' }, // KP_4 - { KEYCODE_KEYPAD, '5', 'u' }, // KP_5 - { KEYCODE_KEYPAD, '6', 'v' }, // KP_6 - { KEYCODE_KEYPAD, '7', 'w' }, // KP_7 - { KEYCODE_KEYPAD, '8', 'x' }, // KP_8 - { KEYCODE_KEYPAD, '9', 'y' }, // KP_9 - { KEYCODE_KEYPAD, '*', 'j' }, // KP_MULT - { KEYCODE_KEYPAD, '+', 'k' }, // KP_PLUS - { KEYCODE_KEYPAD, ',', 'l' }, // KP_COMMA - { KEYCODE_KEYPAD, '-', 'm' }, // KP_MINUS - { KEYCODE_KEYPAD, '.', 'n' }, // KP_PERIOD - { KEYCODE_KEYPAD, '/', 'o' }, // KP_DIVIDE - { KEYCODE_KEYPAD, '\n', 'M' }, // KP_ENTER - { KEYCODE_KEYPAD, '=', 'X' }, // KP_EQUAL -}; - -void vterm_keyboard_key(VTerm *vt, VTermKey key, VTermModifier mod) -{ - if(key == VTERM_KEY_NONE) - return; - - keycodes_s k; - if(key < VTERM_KEY_FUNCTION_0) { - if(key >= sizeof(keycodes)/sizeof(keycodes[0])) - return; - k = keycodes[key]; - } - else if(key >= VTERM_KEY_FUNCTION_0 && key <= VTERM_KEY_FUNCTION_MAX) { - if((key - VTERM_KEY_FUNCTION_0) >= sizeof(keycodes_fn)/sizeof(keycodes_fn[0])) - return; - k = keycodes_fn[key - VTERM_KEY_FUNCTION_0]; - } - else if(key >= VTERM_KEY_KP_0) { - if((key - VTERM_KEY_KP_0) >= sizeof(keycodes_kp)/sizeof(keycodes_kp[0])) - return; - k = keycodes_kp[key - VTERM_KEY_KP_0]; - } - - switch(k.type) { - case KEYCODE_NONE: - break; - - case KEYCODE_TAB: - /* Shift-Tab is CSI Z but plain Tab is 0x09 */ - if(mod == VTERM_MOD_SHIFT) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "Z"); - else if(mod & VTERM_MOD_SHIFT) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "1;%dZ", mod+1); - else - goto case_LITERAL; - break; - - case KEYCODE_ENTER: - /* Enter is CRLF in newline mode, but just LF in linefeed */ - if(vt->state->mode.newline) - vterm_push_output_sprintf(vt, "\r\n"); - else - goto case_LITERAL; - break; - - case KEYCODE_LITERAL: case_LITERAL: - if(mod & (VTERM_MOD_SHIFT|VTERM_MOD_CTRL)) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d;%du", k.literal, mod+1); - else - vterm_push_output_sprintf(vt, mod & VTERM_MOD_ALT ? ESC_S "%c" : "%c", k.literal); - break; - - case KEYCODE_SS3: case_SS3: - if(mod == 0) - vterm_push_output_sprintf_ctrl(vt, C1_SS3, "%c", k.literal); - else - goto case_CSI; - break; - - case KEYCODE_CSI: case_CSI: - if(mod == 0) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%c", k.literal); - else - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "1;%d%c", mod + 1, k.literal); - break; - - case KEYCODE_CSINUM: - if(mod == 0) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d%c", k.csinum, k.literal); - else - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "%d;%d%c", k.csinum, mod + 1, k.literal); - break; - - case KEYCODE_CSI_CURSOR: - if(vt->state->mode.cursor) - goto case_SS3; - else - goto case_CSI; - - case KEYCODE_KEYPAD: - if(vt->state->mode.keypad) { - k.literal = k.csinum; - goto case_SS3; - } - else - goto case_LITERAL; - } -} - -void vterm_keyboard_start_paste(VTerm *vt) -{ - if(vt->state->mode.bracketpaste) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "200~"); -} - -void vterm_keyboard_end_paste(VTerm *vt) -{ - if(vt->state->mode.bracketpaste) - vterm_push_output_sprintf_ctrl(vt, C1_CSI, "201~"); -} diff --git a/src/vterm/mouse.c b/src/vterm/mouse.c deleted file mode 100644 index a9d3fe4ca9..0000000000 --- a/src/vterm/mouse.c +++ /dev/null @@ -1,99 +0,0 @@ -#include "vterm_internal.h" - -#include "nvim/tui/termkey/termkey.h" - -static void output_mouse(VTermState *state, int code, int pressed, int modifiers, int col, int row) -{ - modifiers <<= 2; - - switch(state->mouse_protocol) { - case MOUSE_X10: - if(col + 0x21 > 0xff) - col = 0xff - 0x21; - if(row + 0x21 > 0xff) - row = 0xff - 0x21; - - if(!pressed) - code = 3; - - vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%c%c%c", - (code | modifiers) + 0x20, col + 0x21, row + 0x21); - break; - - case MOUSE_UTF8: - { - char utf8[18]; size_t len = 0; - - if(!pressed) - code = 3; - - len += fill_utf8((code | modifiers) + 0x20, utf8 + len); - len += fill_utf8(col + 0x21, utf8 + len); - len += fill_utf8(row + 0x21, utf8 + len); - utf8[len] = 0; - - vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "M%s", utf8); - } - break; - - case MOUSE_SGR: - vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "<%d;%d;%d%c", - code | modifiers, col + 1, row + 1, pressed ? 'M' : 'm'); - break; - - case MOUSE_RXVT: - if(!pressed) - code = 3; - - vterm_push_output_sprintf_ctrl(state->vt, C1_CSI, "%d;%d;%dM", - code | modifiers, col + 1, row + 1); - break; - } -} - -void vterm_mouse_move(VTerm *vt, int row, int col, VTermModifier mod) -{ - VTermState *state = vt->state; - - if(col == state->mouse_col && row == state->mouse_row) - return; - - state->mouse_col = col; - state->mouse_row = row; - - if((state->mouse_flags & MOUSE_WANT_DRAG && state->mouse_buttons) || - (state->mouse_flags & MOUSE_WANT_MOVE)) { - int button = state->mouse_buttons & 0x01 ? 1 : - state->mouse_buttons & 0x02 ? 2 : - state->mouse_buttons & 0x04 ? 3 : 4; - output_mouse(state, button-1 + 0x20, 1, mod, col, row); - } -} - -void vterm_mouse_button(VTerm *vt, int button, bool pressed, VTermModifier mod) -{ - VTermState *state = vt->state; - - int old_buttons = state->mouse_buttons; - - if(button > 0 && button <= 3) { - if(pressed) - state->mouse_buttons |= (1 << (button-1)); - else - state->mouse_buttons &= ~(1 << (button-1)); - } - - /* Most of the time we don't get button releases from 4/5 */ - if(state->mouse_buttons == old_buttons && button < 4) - return; - - if(!state->mouse_flags) - return; - - if(button < 4) { - output_mouse(state, button-1, pressed, mod, state->mouse_col, state->mouse_row); - } - else if(button < 8) { - output_mouse(state, button-4 + 0x40, pressed, mod, state->mouse_col, state->mouse_row); - } -} diff --git a/src/vterm/parser.c b/src/vterm/parser.c deleted file mode 100644 index 84d017a791..0000000000 --- a/src/vterm/parser.c +++ /dev/null @@ -1,408 +0,0 @@ -#include "vterm_internal.h" - -#include <assert.h> -#include <stdio.h> -#include <string.h> - -#undef DEBUG_PARSER - -static bool is_intermed(unsigned char c) -{ - return c >= 0x20 && c <= 0x2f; -} - -static void do_control(VTerm *vt, unsigned char control) -{ - if(vt->parser.callbacks && vt->parser.callbacks->control) - if((*vt->parser.callbacks->control)(control, vt->parser.cbdata)) - return; - - DEBUG_LOG("libvterm: Unhandled control 0x%02x\n", control); -} - -static void do_csi(VTerm *vt, char command) -{ -#ifdef DEBUG_PARSER - printf("Parsed CSI args as:\n", arglen, args); - printf(" leader: %s\n", vt->parser.v.csi.leader); - for(int argi = 0; argi < vt->parser.v.csi.argi; argi++) { - printf(" %lu", CSI_ARG(vt->parser.v.csi.args[argi])); - if(!CSI_ARG_HAS_MORE(vt->parser.v.csi.args[argi])) - printf("\n"); - printf(" intermed: %s\n", vt->parser.intermed); - } -#endif - - if(vt->parser.callbacks && vt->parser.callbacks->csi) - if((*vt->parser.callbacks->csi)( - vt->parser.v.csi.leaderlen ? vt->parser.v.csi.leader : NULL, - vt->parser.v.csi.args, - vt->parser.v.csi.argi, - vt->parser.intermedlen ? vt->parser.intermed : NULL, - command, - vt->parser.cbdata)) - return; - - DEBUG_LOG("libvterm: Unhandled CSI %c\n", command); -} - -static void do_escape(VTerm *vt, char command) -{ - char seq[INTERMED_MAX+1]; - - size_t len = vt->parser.intermedlen; - strncpy(seq, vt->parser.intermed, len); - seq[len++] = command; - seq[len] = 0; - - if(vt->parser.callbacks && vt->parser.callbacks->escape) - if((*vt->parser.callbacks->escape)(seq, len, vt->parser.cbdata)) - return; - - DEBUG_LOG("libvterm: Unhandled escape ESC 0x%02x\n", command); -} - -static void string_fragment(VTerm *vt, const char *str, size_t len, bool final) -{ - VTermStringFragment frag = { - .str = str, - .len = len, - .initial = vt->parser.string_initial, - .final = final, - }; - - switch(vt->parser.state) { - case OSC: - if(vt->parser.callbacks && vt->parser.callbacks->osc) - (*vt->parser.callbacks->osc)(vt->parser.v.osc.command, frag, vt->parser.cbdata); - break; - - case DCS: - if(vt->parser.callbacks && vt->parser.callbacks->dcs) - (*vt->parser.callbacks->dcs)(vt->parser.v.dcs.command, vt->parser.v.dcs.commandlen, frag, vt->parser.cbdata); - break; - - case APC: - if(vt->parser.callbacks && vt->parser.callbacks->apc) - (*vt->parser.callbacks->apc)(frag, vt->parser.cbdata); - break; - - case PM: - if(vt->parser.callbacks && vt->parser.callbacks->pm) - (*vt->parser.callbacks->pm)(frag, vt->parser.cbdata); - break; - - case SOS: - if(vt->parser.callbacks && vt->parser.callbacks->sos) - (*vt->parser.callbacks->sos)(frag, vt->parser.cbdata); - break; - - case NORMAL: - case CSI_LEADER: - case CSI_ARGS: - case CSI_INTERMED: - case OSC_COMMAND: - case DCS_COMMAND: - break; - } - - vt->parser.string_initial = false; -} - -size_t vterm_input_write(VTerm *vt, const char *bytes, size_t len) -{ - size_t pos = 0; - const char *string_start; - - switch(vt->parser.state) { - case NORMAL: - case CSI_LEADER: - case CSI_ARGS: - case CSI_INTERMED: - case OSC_COMMAND: - case DCS_COMMAND: - string_start = NULL; - break; - case OSC: - case DCS: - case APC: - case PM: - case SOS: - string_start = bytes; - break; - } - -#define ENTER_STATE(st) do { vt->parser.state = st; string_start = NULL; } while(0) -#define ENTER_NORMAL_STATE() ENTER_STATE(NORMAL) - -#define IS_STRING_STATE() (vt->parser.state >= OSC_COMMAND) - - for( ; pos < len; pos++) { - unsigned char c = bytes[pos]; - bool c1_allowed = !vt->mode.utf8; - - if(c == 0x00 || c == 0x7f) { // NUL, DEL - if(IS_STRING_STATE()) { - string_fragment(vt, string_start, bytes + pos - string_start, false); - string_start = bytes + pos + 1; - } - if(vt->parser.emit_nul) - do_control(vt, c); - continue; - } - if(c == 0x18 || c == 0x1a) { // CAN, SUB - vt->parser.in_esc = false; - ENTER_NORMAL_STATE(); - if(vt->parser.emit_nul) - do_control(vt, c); - continue; - } - else if(c == 0x1b) { // ESC - vt->parser.intermedlen = 0; - if(!IS_STRING_STATE()) - vt->parser.state = NORMAL; - vt->parser.in_esc = true; - continue; - } - else if(c == 0x07 && // BEL, can stand for ST in OSC or DCS state - IS_STRING_STATE()) { - // fallthrough - } - else if(c < 0x20) { // other C0 - if(vt->parser.state == SOS) - continue; // All other C0s permitted in SOS - - if(IS_STRING_STATE()) - string_fragment(vt, string_start, bytes + pos - string_start, false); - do_control(vt, c); - if(IS_STRING_STATE()) - string_start = bytes + pos + 1; - continue; - } - // else fallthrough - - size_t string_len = bytes + pos - string_start; - - if(vt->parser.in_esc) { - // Hoist an ESC letter into a C1 if we're not in a string mode - // Always accept ESC \ == ST even in string mode - if(!vt->parser.intermedlen && - c >= 0x40 && c < 0x60 && - ((!IS_STRING_STATE() || c == 0x5c))) { - c += 0x40; - c1_allowed = true; - if(string_len) { - assert(string_len > 0); - string_len -= 1; - } - vt->parser.in_esc = false; - } - else { - string_start = NULL; - vt->parser.state = NORMAL; - } - } - - switch(vt->parser.state) { - case CSI_LEADER: - /* Extract leader bytes 0x3c to 0x3f */ - if(c >= 0x3c && c <= 0x3f) { - if(vt->parser.v.csi.leaderlen < CSI_LEADER_MAX-1) - vt->parser.v.csi.leader[vt->parser.v.csi.leaderlen++] = c; - break; - } - - /* else fallthrough */ - vt->parser.v.csi.leader[vt->parser.v.csi.leaderlen] = 0; - - vt->parser.v.csi.argi = 0; - vt->parser.v.csi.args[0] = CSI_ARG_MISSING; - vt->parser.state = CSI_ARGS; - - /* fallthrough */ - case CSI_ARGS: - /* Numerical value of argument */ - if(c >= '0' && c <= '9') { - if(vt->parser.v.csi.args[vt->parser.v.csi.argi] == CSI_ARG_MISSING) - vt->parser.v.csi.args[vt->parser.v.csi.argi] = 0; - vt->parser.v.csi.args[vt->parser.v.csi.argi] *= 10; - vt->parser.v.csi.args[vt->parser.v.csi.argi] += c - '0'; - break; - } - if(c == ':') { - vt->parser.v.csi.args[vt->parser.v.csi.argi] |= CSI_ARG_FLAG_MORE; - c = ';'; - } - if(c == ';') { - vt->parser.v.csi.argi++; - vt->parser.v.csi.args[vt->parser.v.csi.argi] = CSI_ARG_MISSING; - break; - } - - /* else fallthrough */ - vt->parser.v.csi.argi++; - vt->parser.intermedlen = 0; - vt->parser.state = CSI_INTERMED; - case CSI_INTERMED: - if(is_intermed(c)) { - if(vt->parser.intermedlen < INTERMED_MAX-1) - vt->parser.intermed[vt->parser.intermedlen++] = c; - break; - } - else if(c == 0x1b) { - /* ESC in CSI cancels */ - } - else if(c >= 0x40 && c <= 0x7e) { - vt->parser.intermed[vt->parser.intermedlen] = 0; - do_csi(vt, c); - } - /* else was invalid CSI */ - - ENTER_NORMAL_STATE(); - break; - - case OSC_COMMAND: - /* Numerical value of command */ - if(c >= '0' && c <= '9') { - if(vt->parser.v.osc.command == -1) - vt->parser.v.osc.command = 0; - else - vt->parser.v.osc.command *= 10; - vt->parser.v.osc.command += c - '0'; - break; - } - if(c == ';') { - vt->parser.state = OSC; - string_start = bytes + pos + 1; - break; - } - - /* else fallthrough */ - string_start = bytes + pos; - string_len = 0; - vt->parser.state = OSC; - goto string_state; - - case DCS_COMMAND: - if(vt->parser.v.dcs.commandlen < CSI_LEADER_MAX) - vt->parser.v.dcs.command[vt->parser.v.dcs.commandlen++] = c; - - if(c >= 0x40 && c<= 0x7e) { - string_start = bytes + pos + 1; - vt->parser.state = DCS; - } - break; - -string_state: - case OSC: - case DCS: - case APC: - case PM: - case SOS: - if(c == 0x07 || (c1_allowed && c == 0x9c)) { - string_fragment(vt, string_start, string_len, true); - ENTER_NORMAL_STATE(); - } - break; - - case NORMAL: - if(vt->parser.in_esc) { - if(is_intermed(c)) { - if(vt->parser.intermedlen < INTERMED_MAX-1) - vt->parser.intermed[vt->parser.intermedlen++] = c; - } - else if(c >= 0x30 && c < 0x7f) { - do_escape(vt, c); - vt->parser.in_esc = 0; - ENTER_NORMAL_STATE(); - } - else { - DEBUG_LOG("TODO: Unhandled byte %02x in Escape\n", c); - } - break; - } - if(c1_allowed && c >= 0x80 && c < 0xa0) { - switch(c) { - case 0x90: // DCS - vt->parser.string_initial = true; - vt->parser.v.dcs.commandlen = 0; - ENTER_STATE(DCS_COMMAND); - break; - case 0x98: // SOS - vt->parser.string_initial = true; - ENTER_STATE(SOS); - string_start = bytes + pos + 1; - string_len = 0; - break; - case 0x9b: // CSI - vt->parser.v.csi.leaderlen = 0; - ENTER_STATE(CSI_LEADER); - break; - case 0x9d: // OSC - vt->parser.v.osc.command = -1; - vt->parser.string_initial = true; - string_start = bytes + pos + 1; - ENTER_STATE(OSC_COMMAND); - break; - case 0x9e: // PM - vt->parser.string_initial = true; - ENTER_STATE(PM); - string_start = bytes + pos + 1; - string_len = 0; - break; - case 0x9f: // APC - vt->parser.string_initial = true; - ENTER_STATE(APC); - string_start = bytes + pos + 1; - string_len = 0; - break; - default: - do_control(vt, c); - break; - } - } - else { - size_t eaten = 0; - if(vt->parser.callbacks && vt->parser.callbacks->text) - eaten = (*vt->parser.callbacks->text)(bytes + pos, len - pos, vt->par |