diff options
Diffstat (limited to '')
| -rw-r--r-- | libterminput_parse_sequence__.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/libterminput_parse_sequence__.c b/libterminput_parse_sequence__.c new file mode 100644 index 0000000..aaf0fb4 --- /dev/null +++ b/libterminput_parse_sequence__.c @@ -0,0 +1,274 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" + + +void +libterminput_parse_sequence__(union libterminput_input *input, struct libterminput_state *ctx) +{ + unsigned long long int *nums; + size_t keylen, n, nnums = 0; + char *p; + + /* Get number of numbers in the sequence, and allocate an array of at least 2 */ + if (ctx->key[0] == '[' && (ctx->key[1] == '<' ? isdigit(ctx->key[2]) : isdigit(ctx->key[1]))) + nnums += 1; + for (n = 2U, p = ctx->key; *p; p++) { + if (*p == ';') { + n += 1U; + nnums += 1U; + } + } + nums = alloca(n * sizeof(*nums)); + nums[0] = nums[1] = 0; + + /* Read numbers and remove numbers and delimiters */ + for (keylen = 0, n = 0, p = ctx->key; *p; p++) { + if (*p == ';') { + nums[++n] = 0; /* We made sure above to allocate one extra */ + } else if (!isdigit(*p)) { + ctx->key[keylen++] = *p; + } else if (n < 3U) { + if (nums[n] < (ULLONG_MAX - (*p & 15)) / 10) + nums[n] = nums[n] * 10 + (*p & 15); + else + nums[n] = ULLONG_MAX; + } + } + ctx->key[keylen] = '\0'; + + /* Get times and mods, and reset symbol, and more as keypress */ + input->type = LIBTERMINPUT_KEYPRESS; + input->keypress.symbol[0] = '\0'; + input->keypress.times = nums[0] + !nums[0]; + input->keypress.mods = nums[1] > 1 ? nums[1] - 1 : 0; + input->keypress.mods |= ctx->meta > 1 ? LIBTERMINPUT_META : 0; + + switch (ctx->key[0]) { + case '[': + switch (keylen) { + case 2: + switch (ctx->key[1]) { + case 'A': input->keypress.key = LIBTERMINPUT_UP; break; + case 'B': input->keypress.key = LIBTERMINPUT_DOWN; break; + case 'C': input->keypress.key = LIBTERMINPUT_RIGHT; break; + case 'D': input->keypress.key = LIBTERMINPUT_LEFT; break; + case 'E': input->keypress.key = LIBTERMINPUT_BEGIN; break; + case 'F': input->keypress.key = LIBTERMINPUT_END; break; + case 'G': input->keypress.key = LIBTERMINPUT_BEGIN; break; + case 'H': input->keypress.key = LIBTERMINPUT_HOME; break; + case 'M': + if (ctx->flags & LIBTERMINPUT_MACRO_ON_CSI_M) + input->keypress.key = LIBTERMINPUT_MACRO; + else + libterminput_parse_csi_m_mouse_tracking__(input, ctx, nums, nnums); + break; + case 'P': + input->keypress.key = LIBTERMINPUT_F1; + if (ctx->flags & LIBTERMINPUT_PAUSE_ON_CSI_P) + input->keypress.key = LIBTERMINPUT_PAUSE; + break; + case 'Q': + input->keypress.key = LIBTERMINPUT_F2; + break; + case 'R': + if ((ctx->flags & LIBTERMINPUT_AWAITING_CURSOR_POSITION) && nnums >= 2U) { + input->position.type = LIBTERMINPUT_CURSOR_POSITION; + input->position.y = (size_t)nums[0] + (size_t)!nums[0]; + input->position.x = (size_t)nums[1] + (size_t)!nums[1]; + } else { + input->keypress.key = LIBTERMINPUT_F3; + } + break; + case 'S': + input->keypress.key = LIBTERMINPUT_F4; + break; + case 'T': + libterminput_parse_csi_t_mouse_tracking__(input, ctx); + break; + case 'U': input->keypress.key = LIBTERMINPUT_NEXT; break; + case 'V': input->keypress.key = LIBTERMINPUT_PRIOR; break; + case 'Z': + if (ctx->flags & LIBTERMINPUT_SEPARATE_BACKTAB) { + input->keypress.key = LIBTERMINPUT_BACKTAB; + } else { + input->keypress.key = LIBTERMINPUT_TAB; + input->keypress.mods |= LIBTERMINPUT_SHIFT; + } + break; + case 'a': input->keypress.key = LIBTERMINPUT_UP; goto shift; + case 'b': input->keypress.key = LIBTERMINPUT_DOWN; goto shift; + case 'c': input->keypress.key = LIBTERMINPUT_RIGHT; goto shift; + case 'd': input->keypress.key = LIBTERMINPUT_LEFT; goto shift; + case 'n': + if (nnums == 1U && nums[0] == 0) + input->type = LIBTERMINPUT_TERMINAL_IS_OK; + else if (nnums == 1U && nums[0] == 3) + input->type = LIBTERMINPUT_TERMINAL_IS_NOT_OK; + else + goto suppress; + break; + case 't': + libterminput_parse_csi_small_t_mouse_tracking__(input, ctx); + break; + case 'u': + if (nums[0] > 0x10FFFFULL || (nums[0] & 0xFFF800ULL) == 0xD800ULL) { + input->type = LIBTERMINPUT_NONE; + break; + } + libterminput_encode_utf8__(nums[0], input->keypress.symbol); + input->keypress.times = 1; + break; + case '$': + input->keypress.mods |= LIBTERMINPUT_SHIFT; + if (nums[0] >= 200) + goto suppress; + goto tilde_case; + case '@': + if (ctx->flags & LIBTERMINPUT_INS_ON_CSI_AT) { + input->keypress.key = LIBTERMINPUT_INS; + break; + } + input->keypress.mods |= LIBTERMINPUT_SHIFT; + /* fall through */ + case '^': + input->keypress.mods |= LIBTERMINPUT_CTRL; + if (nums[0] >= 200) + goto suppress; + /* fall through */ + case '~': + tilde_case: + input->keypress.times = 1; + switch (nums[0]) { + case 1: input->keypress.key = LIBTERMINPUT_HOME; break; + case 2: input->keypress.key = LIBTERMINPUT_INS; break; + case 3: input->keypress.key = LIBTERMINPUT_DEL; break; + case 4: input->keypress.key = LIBTERMINPUT_END; break; + case 5: input->keypress.key = LIBTERMINPUT_PRIOR; break; + case 6: input->keypress.key = LIBTERMINPUT_NEXT; break; + case 7: input->keypress.key = LIBTERMINPUT_HOME; break; + case 8: input->keypress.key = LIBTERMINPUT_END; break; + case 9: input->keypress.key = LIBTERMINPUT_ESC; break; /* just made this one up */ + case 11: input->keypress.key = LIBTERMINPUT_F1; break; + case 12: input->keypress.key = LIBTERMINPUT_F2; break; + case 13: input->keypress.key = LIBTERMINPUT_F3; break; + case 14: input->keypress.key = LIBTERMINPUT_F4; break; + case 15: input->keypress.key = LIBTERMINPUT_F5; break; + case 17: input->keypress.key = LIBTERMINPUT_F6; break; + case 18: input->keypress.key = LIBTERMINPUT_F7; break; + case 19: input->keypress.key = LIBTERMINPUT_F8; break; + case 20: input->keypress.key = LIBTERMINPUT_F9; break; + case 21: input->keypress.key = LIBTERMINPUT_F10; break; + case 23: input->keypress.key = LIBTERMINPUT_F11; break; + case 24: input->keypress.key = LIBTERMINPUT_F12; break; + case 25: input->keypress.key = LIBTERMINPUT_F1; goto shift; + case 26: input->keypress.key = LIBTERMINPUT_F2; goto shift; + case 28: input->keypress.key = LIBTERMINPUT_F3; goto shift; + case 29: input->keypress.key = LIBTERMINPUT_F4; goto shift; + case 31: input->keypress.key = LIBTERMINPUT_F5; goto shift; + case 32: input->keypress.key = LIBTERMINPUT_F6; goto shift; + case 33: input->keypress.key = LIBTERMINPUT_F7; goto shift; + case 34: input->keypress.key = LIBTERMINPUT_F8; goto shift; + case 200: + ctx->bracketed_paste = 1; + input->type = LIBTERMINPUT_BRACKETED_PASTE_START; + return; + case 201: + ctx->bracketed_paste = 0; + input->type = LIBTERMINPUT_BRACKETED_PASTE_END; + return; + default: + goto suppress; + } + break; + default: + goto suppress; + } + break; + + case 3: + switch (ctx->key[1] == '[' ? ctx->key[2] : 0) { + case 'A': input->keypress.key = LIBTERMINPUT_F1; break; + case 'B': input->keypress.key = LIBTERMINPUT_F2; break; + case 'C': input->keypress.key = LIBTERMINPUT_F3; break; + case 'D': input->keypress.key = LIBTERMINPUT_F4; break; + case 'E': input->keypress.key = LIBTERMINPUT_F5; break; + default: + if (ctx->key[1] == '<' && (ctx->key[2] == 'M' || ctx->key[2] == 'm') && nnums >= 3U) { + /* Parsing for \e[?1003;1006h output. */ + input->mouseevent.event = LIBTERMINPUT_PRESS; + if (ctx->key[2] == 'm') + input->mouseevent.event = LIBTERMINPUT_RELEASE; + libterminput_parse_decimal_mouse_tracking__(input, nums); + } else { + goto suppress; + } + } + break; + + default: + goto suppress; + } + break; + + case '?': /* '?' is attested as synonym for 'O' when the next character is in "pqrstuvwxymlnM" */ + case 'O': + switch (!ctx->key[2] ? ctx->key[1] : 0) { + case 'A': input->keypress.key = LIBTERMINPUT_UP; break; + case 'B': input->keypress.key = LIBTERMINPUT_DOWN; break; + case 'C': input->keypress.key = LIBTERMINPUT_RIGHT; break; + case 'D': input->keypress.key = LIBTERMINPUT_LEFT; break; + case 'E': input->keypress.key = LIBTERMINPUT_BEGIN; break; /* not attested */ + case 'F': input->keypress.key = LIBTERMINPUT_END; break; + case 'G': input->keypress.key = LIBTERMINPUT_BEGIN; break; /* not attested */ + case 'H': input->keypress.key = LIBTERMINPUT_HOME; break; + case 'I': input->keypress.key = LIBTERMINPUT_F12; break; + case 'J': input->keypress.key = LIBTERMINPUT_F1; goto shift; + case 'K': input->keypress.key = LIBTERMINPUT_F2; goto shift; + case 'L': input->keypress.key = LIBTERMINPUT_F3; goto shift; + case 'M': input->keypress.key = LIBTERMINPUT_KEYPAD_ENTER; break; + case 'N': input->keypress.key = LIBTERMINPUT_F4; goto shift; + case 'P': input->keypress.key = LIBTERMINPUT_F1; break; + case 'Q': input->keypress.key = LIBTERMINPUT_F2; break; + case 'R': input->keypress.key = LIBTERMINPUT_F3; break; + case 'S': input->keypress.key = LIBTERMINPUT_F4; break; + case 'T': input->keypress.key = LIBTERMINPUT_F5; break; + case 'U': input->keypress.key = LIBTERMINPUT_F6; break; + case 'V': input->keypress.key = LIBTERMINPUT_F7; break; /* not attested */ + case 'W': input->keypress.key = LIBTERMINPUT_F8; break; /* not attested */ + case 'X': input->keypress.key = LIBTERMINPUT_F9; break; /* not attested */ + case 'Y': input->keypress.key = LIBTERMINPUT_F10; break; + case 'Z': input->keypress.key = LIBTERMINPUT_F11; break; /* not attested */ + case 'b': input->keypress.key = LIBTERMINPUT_KEYPAD_POINT; break; + case 'e': input->keypress.key = LIBTERMINPUT_F7; break; + case 'f': input->keypress.key = LIBTERMINPUT_F8; break; + case 'j': input->keypress.key = LIBTERMINPUT_KEYPAD_TIMES; break; + case 'k': input->keypress.key = LIBTERMINPUT_KEYPAD_PLUS; break; + case 'l': input->keypress.key = LIBTERMINPUT_KEYPAD_COMMA; break; + case 'm': input->keypress.key = LIBTERMINPUT_KEYPAD_MINUS; break; + case 'n': input->keypress.key = LIBTERMINPUT_KEYPAD_DECIMAL; break; + case 'o': input->keypress.key = LIBTERMINPUT_KEYPAD_DIVISION; break; + case 'p': input->keypress.key = LIBTERMINPUT_KEYPAD_0; break; + case 'q': input->keypress.key = LIBTERMINPUT_KEYPAD_1; break; + case 'r': input->keypress.key = LIBTERMINPUT_KEYPAD_2; break; + case 's': input->keypress.key = LIBTERMINPUT_KEYPAD_3; break; + case 't': input->keypress.key = LIBTERMINPUT_KEYPAD_4; break; + case 'u': input->keypress.key = LIBTERMINPUT_KEYPAD_5; break; + case 'v': input->keypress.key = LIBTERMINPUT_KEYPAD_6; break; + case 'w': input->keypress.key = LIBTERMINPUT_KEYPAD_7; break; + case 'x': input->keypress.key = LIBTERMINPUT_KEYPAD_8; break; + case 'y': input->keypress.key = LIBTERMINPUT_KEYPAD_9; break; + default: + goto suppress; + } + break; + shift: + input->keypress.mods |= LIBTERMINPUT_SHIFT; + break; + + default: + /* This shouldn't happen (without goto) */ + suppress: + input->type = LIBTERMINPUT_NONE; + break; + } +} |