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rizin/librz/cons/dietline.c
Riccardo Schirone 6aef990eef Fix few clang-cl warnings
2021-09-04 12:06:07 +02:00

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// SPDX-FileCopyrightText: 2007-2020 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
/* dietline is a lightweight and portable library similar to GNU readline */
#include <rz_cons.h>
#include <rz_core.h>
#include <string.h>
#include <stdlib.h>
#if __WINDOWS__
#include <windows.h>
#define printf(...) rz_cons_win_printf(false, __VA_ARGS__)
#define USE_UTF8 1
static int rz_line_readchar_win(ut8 *s, int slen);
#else
#include <sys/ioctl.h>
#include <termios.h>
#include <signal.h>
#define USE_UTF8 1
#endif
static char *rz_line_nullstr = "";
static const char word_break_characters[] = "\t\n ~`!@#$%^&*()-_=+[]{}\\|;:\"'<>,./";
typedef enum {
MINOR_BREAK,
MAJOR_BREAK
} BreakMode;
bool enable_yank_pop = false;
static inline bool is_word_break_char(char ch, bool mode) {
int i;
if (mode == MAJOR_BREAK) {
return ch == ' ';
}
for (i = 0; i < RZ_ARRAY_SIZE(word_break_characters); i++) {
if (ch == word_break_characters[i]) {
return true;
}
}
return false;
}
/* https://www.gnu.org/software/bash/manual/html_node/Commands-For-Killing.html */
static void backward_kill_word(BreakMode mode) {
int i, len;
if (I.buffer.index <= 0) {
return;
}
for (i = I.buffer.index; i > 0 && is_word_break_char(I.buffer.data[i], mode); i--) {
/* Move the cursor index back until we hit a non-word-break-character */
}
for (; i > 0 && !is_word_break_char(I.buffer.data[i], mode); i--) {
/* Move the cursor index back until we hit a word-break-character */
}
if (i > 0) {
i++;
} else if (i < 0) {
i = 0;
}
if (I.buffer.index > I.buffer.length) {
I.buffer.length = I.buffer.index;
}
len = I.buffer.index - i;
free(I.clipboard);
I.clipboard = rz_str_ndup(I.buffer.data + i, len);
rz_line_clipboard_push(I.clipboard);
memmove(I.buffer.data + i, I.buffer.data + I.buffer.index,
I.buffer.length - I.buffer.index + 1);
I.buffer.length = strlen(I.buffer.data);
I.buffer.index = i;
}
static void kill_word(BreakMode mode) {
int i, len;
for (i = I.buffer.index; i < I.buffer.length && is_word_break_char(I.buffer.data[i], mode); i++) {
/* Move the cursor index forward until we hit a non-word-break-character */
}
for (; i < I.buffer.length && !is_word_break_char(I.buffer.data[i], mode); i++) {
/* Move the cursor index forward until we hit a word-break-character */
}
len = i - I.buffer.index;
free(I.clipboard);
I.clipboard = rz_str_ndup(I.buffer.data + I.buffer.index, len);
rz_line_clipboard_push(I.clipboard);
memmove(I.buffer.data + I.buffer.index, I.buffer.data + i, I.buffer.length - i + 1);
I.buffer.length -= len;
}
static void paste(void) {
if (I.clipboard) {
char *cursor = I.buffer.data + I.buffer.index;
int dist = (I.buffer.data + I.buffer.length) - cursor;
int len = strlen(I.clipboard);
I.buffer.length += len;
memmove(cursor + len, cursor, dist);
memcpy(cursor, I.clipboard, len);
I.buffer.index += len;
enable_yank_pop = true;
}
}
static void unix_word_rubout(void) {
int i, len;
if (I.buffer.index > 0) {
for (i = I.buffer.index - 1; i > 0 && I.buffer.data[i] == ' '; i--) {
/* Move cursor backwards until we hit a non-space character or EOL */
/* This removes any trailing spaces from the input */
}
for (; i > 0 && I.buffer.data[i] != ' '; i--) {
/* Move cursor backwards until we hit a space character or EOL */
/* This deletes everything back to the previous space character */
}
if (i > 0) {
i++;
} else if (i < 0) {
i = 0;
}
if (I.buffer.index > I.buffer.length) {
I.buffer.length = I.buffer.index;
}
len = I.buffer.index - i + 1;
free(I.clipboard);
I.clipboard = rz_str_ndup(I.buffer.data + i, len);
rz_line_clipboard_push(I.clipboard);
memmove(I.buffer.data + i,
I.buffer.data + I.buffer.index,
I.buffer.length - I.buffer.index + 1);
I.buffer.length = strlen(I.buffer.data);
I.buffer.index = i;
}
}
static int inithist(void) {
ZERO_FILL(I.history);
if ((I.history.size + 1024) * sizeof(char *) < I.history.size) {
return false;
}
I.history.data = (char **)calloc((I.history.size + 1024), sizeof(char *));
if (!I.history.data) {
return false;
}
I.history.size = RZ_LINE_HISTSIZE;
return true;
}
/* initialize history stuff */
RZ_API int rz_line_dietline_init(void) {
ZERO_FILL(I.completion);
if (!inithist()) {
return false;
}
I.echo = true;
return true;
}
#if USE_UTF8
/* read utf8 char into 's', return the length in bytes */
static int rz_line_readchar_utf8(ut8 *s, int slen) {
#if __WINDOWS__
return rz_line_readchar_win(s, slen);
#else
// TODO: add support for w32
ssize_t len, i;
if (slen < 1) {
return 0;
}
int ch = rz_cons_readchar();
if (ch == -1) {
return -1;
}
*s = ch;
#if 0
if ((t = read (0, s, 1)) != 1) {
return t;
}
#endif
*s = rz_cons_controlz(*s);
if (*s < 0x80) {
len = 1;
} else if ((s[0] & 0xe0) == 0xc0) {
len = 2;
} else if ((s[0] & 0xf0) == 0xe0) {
len = 3;
} else if ((s[0] & 0xf8) == 0xf0) {
len = 4;
} else {
return -1;
}
if (len > slen) {
return -1;
}
for (i = 1; i < len; i++) {
int ch = rz_cons_readchar();
if (ch != -1) {
s[i] = ch;
}
if ((s[i] & 0xc0) != 0x80) {
return -1;
}
}
return len;
#endif
}
#endif
#if __WINDOWS__
static int rz_line_readchar_win(ut8 *s, int slen) { // this function handle the input in console mode
if (slen > 0 && rz_cons_readbuffer_readchar((char *)s)) {
if (s[0] == '\x1b' && rz_cons_readbuffer_readchar((char *)s + 1)) {
if (s[1] == '\x31' && rz_cons_readbuffer_readchar((char *)s + 2)) {
return 3;
}
return 2;
}
return 1;
}
INPUT_RECORD irInBuf = { 0 };
BOOL ret, bCtrl = FALSE;
DWORD mode, out;
char buf[5] = { 0 };
HANDLE h;
void *bed;
h = GetStdHandle(STD_INPUT_HANDLE);
DWORD new_mode = I.vtmode == 2 ? ENABLE_VIRTUAL_TERMINAL_INPUT : 0;
GetConsoleMode(h, &mode);
SetConsoleMode(h, new_mode);
if (I.zerosep) {
bed = rz_cons_sleep_begin();
DWORD rsz = 0;
BOOL ret = ReadFile(h, s, 1, &rsz, NULL);
rz_cons_sleep_end(bed);
SetConsoleMode(h, mode);
if (!ret || rsz != 1) {
return 0;
}
return 1;
}
do_it_again:
bed = rz_cons_sleep_begin();
if (rz_cons_singleton()->term_xterm) {
ret = ReadFile(h, buf, 1, &out, NULL);
} else {
ret = ReadConsoleInputW(h, &irInBuf, 1, &out);
}
rz_cons_sleep_end(bed);
if (ret < 1) {
return 0;
}
if (irInBuf.EventType == KEY_EVENT) {
if (irInBuf.Event.KeyEvent.bKeyDown) {
if (irInBuf.Event.KeyEvent.uChar.UnicodeChar) {
char *tmp = rz_utf16_to_utf8_l(&irInBuf.Event.KeyEvent.uChar.UnicodeChar, 1);
if (!tmp) {
return 0;
}
strncpy_s(buf, sizeof(buf), tmp, strlen(tmp));
free(tmp);
} else {
int idx = 0;
buf[idx++] = 27;
buf[idx++] = '['; // Simulate escaping
bCtrl = irInBuf.Event.KeyEvent.dwControlKeyState & 8;
if (bCtrl) {
buf[idx++] = 0x31;
}
switch (irInBuf.Event.KeyEvent.wVirtualKeyCode) {
case VK_UP: buf[idx++] = 'A'; break;
case VK_DOWN: buf[idx++] = 'B'; break;
case VK_RIGHT: buf[idx++] = 'C'; break;
case VK_LEFT: buf[idx++] = 'D'; break;
case VK_PRIOR: buf[idx++] = '5'; break; // PAGE UP
case VK_NEXT: buf[idx++] = '6'; break; // PAGE DOWN
case VK_DELETE: buf[idx++] = '3'; break; // SUPR KEY
case VK_HOME: buf[idx++] = 'H'; break; // HOME KEY
case VK_END: buf[idx++] = 'F'; break; // END KEY
default: buf[0] = 0; break;
}
}
}
}
if (!buf[0]) {
goto do_it_again;
}
strncpy_s((char *)s, slen, buf, sizeof(buf));
SetConsoleMode(h, mode);
return strlen((char *)s);
}
#endif
RZ_API int rz_line_set_hist_callback(RzLine *line, RzLineHistoryUpCb up, RzLineHistoryDownCb down) {
line->cb_history_up = up;
line->cb_history_down = down;
line->offset_hist_index = 0;
line->file_hist_index = 0;
line->sdbshell_hist_iter = rz_list_head(line->sdbshell_hist);
return 1;
}
static inline bool match_hist_line(char *hist_line, char *cur_line) {
// Starts with but not equal to
return rz_str_startswith(hist_line, cur_line) && strcmp(hist_line, cur_line);
}
static void setup_hist_match(RzLine *line) {
if (line->history.do_setup_match) {
RZ_FREE(line->history.match);
if (*line->buffer.data) {
line->history.match = strdup(line->buffer.data);
}
}
line->history.do_setup_match = false;
}
RZ_API int rz_line_hist_cmd_up(RzLine *line) {
if (line->hist_up) {
return line->hist_up(line->user);
}
if (!line->history.data) {
inithist();
}
if (line->history.index > 0 && line->history.data) {
setup_hist_match(line);
if (line->history.match) {
int i;
for (i = line->history.index - 1; i >= 0; i--) {
if (match_hist_line(line->history.data[i], line->history.match)) {
line->history.index = i;
break;
}
}
if (i < 0) {
return false;
}
} else {
line->history.index--;
}
strncpy(line->buffer.data, line->history.data[line->history.index], RZ_LINE_BUFSIZE - 1);
line->buffer.index = line->buffer.length = strlen(line->buffer.data);
return true;
}
return false;
}
RZ_API int rz_line_hist_cmd_down(RzLine *line) {
if (line->hist_down) {
return line->hist_down(line->user);
}
if (!line->history.data) {
inithist();
}
setup_hist_match(line);
if (line->history.match) {
int i;
for (i = line->history.index + 1; i < line->history.top; i++) {
if (match_hist_line(line->history.data[i], line->history.match)) {
break;
}
}
line->history.index = i;
} else {
line->history.index++;
}
if (line->history.index >= line->history.top) {
line->history.index = line->history.top;
if (line->history.match) {
strncpy(line->buffer.data, line->history.match, RZ_LINE_BUFSIZE - 1);
} else {
line->buffer.data[0] = '\0';
}
line->buffer.index = line->buffer.length = strlen(line->buffer.data);
return false;
}
if (line->history.data && line->history.data[line->history.index]) {
strncpy(line->buffer.data, line->history.data[line->history.index], RZ_LINE_BUFSIZE - 1);
line->buffer.index = line->buffer.length = strlen(line->buffer.data);
}
return true;
}
RZ_API int rz_line_hist_add(const char *line) {
if (!line || !*line) {
return false;
}
if (!I.history.data) {
inithist();
}
/* ignore dup */
if (I.history.top > 0) {
const char *data = I.history.data[I.history.top - 1];
if (data && !strcmp(line, data)) {
I.history.index = I.history.top;
return false;
}
}
if (I.history.top == I.history.size) {
int i;
free(I.history.data[0]);
for (i = 0; i <= I.history.size - 2; i++) {
I.history.data[i] = I.history.data[i + 1];
}
I.history.top--;
}
I.history.data[I.history.top++] = strdup(line);
I.history.index = I.history.top;
return true;
}
static int rz_line_hist_up(void) {
if (!I.cb_history_up) {
rz_line_set_hist_callback(&I, &rz_line_hist_cmd_up, &rz_line_hist_cmd_down);
}
return I.cb_history_up(&I);
}
static int rz_line_hist_down(void) {
if (!I.cb_history_down) {
rz_line_set_hist_callback(&I, &rz_line_hist_cmd_up, &rz_line_hist_cmd_down);
}
return I.cb_history_down(&I);
}
RZ_API const char *rz_line_hist_get(int n) {
int i = 0;
if (!I.history.data) {
inithist();
}
n--;
if (I.history.data) {
for (i = 0; i < I.history.size && I.history.data[i]; i++) {
if (n == i) {
return I.history.data[i];
}
}
}
return NULL;
}
RZ_API int rz_line_hist_list(void) {
int i = 0;
if (!I.history.data) {
inithist();
}
if (I.history.data) {
for (i = 0; i < I.history.size && I.history.data[i]; i++) {
// when you execute a command, you always move the history
// by 1 before actually printing it.
rz_cons_printf("%5d %s\n", i + 1, I.history.data[i]);
}
}
return i;
}
RZ_API void rz_line_hist_free(void) {
int i;
if (I.history.data) {
for (i = 0; i < I.history.size; i++) {
RZ_FREE(I.history.data[i]);
}
}
RZ_FREE(I.history.data);
RZ_FREE(I.sdbshell_hist);
I.history.index = 0;
}
/* load history from file. TODO: if file == NULL load from ~/.<prg>.history or so */
RZ_API int rz_line_hist_load(const char *file) {
FILE *fd;
char buf[RZ_LINE_BUFSIZE], *path = rz_str_home(file);
if (!path) {
return false;
}
if (!(fd = rz_sys_fopen(path, "r"))) {
free(path);
return false;
}
while (fgets(buf, sizeof(buf), fd) != NULL) {
rz_str_trim_tail(buf);
rz_line_hist_add(buf);
}
fclose(fd);
free(path);
return true;
}
RZ_API int rz_line_hist_save(const char *file) {
FILE *fd;
int i, ret = false;
if (!file || !*file) {
return false;
}
char *p, *path = rz_str_home(file);
if (path != NULL) {
p = (char *)rz_str_lastbut(path, RZ_SYS_DIR[0], NULL); // TODO: use fs
if (p) {
*p = 0;
if (!rz_sys_mkdirp(path)) {
eprintf("could not save history into %s\n", path);
goto end;
}
*p = RZ_SYS_DIR[0];
}
fd = rz_sys_fopen(path, "w");
if (fd != NULL) {
if (I.history.data) {
for (i = 0; i < I.history.index; i++) {
fputs(I.history.data[i], fd);
fputs("\n", fd);
}
fclose(fd);
ret = true;
} else {
fclose(fd);
}
}
}
end:
free(path);
return ret;
}
RZ_API int rz_line_hist_chop(const char *file, int limit) {
/* TODO */
return 0;
}
static void selection_widget_draw(void) {
RzCons *cons = rz_cons_singleton();
RzSelWidget *sel_widget = I.sel_widget;
int y, pos_y, pos_x = rz_str_ansi_len(I.prompt);
sel_widget->h = RZ_MIN(sel_widget->h, RZ_SELWIDGET_MAXH);
for (y = 0; y < sel_widget->options_len; y++) {
sel_widget->w = RZ_MAX(sel_widget->w, strlen(sel_widget->options[y]));
}
if (sel_widget->direction == RZ_SELWIDGET_DIR_UP) {
pos_y = cons->rows;
} else {
pos_y = rz_cons_get_cur_line();
if (pos_y + sel_widget->h > cons->rows) {
printf("%s\n", rz_str_pad('\n', sel_widget->h));
pos_y = cons->rows - sel_widget->h - 1;
}
}
sel_widget->w = RZ_MIN(sel_widget->w, RZ_SELWIDGET_MAXW);
char *background_color = cons->context->color_mode ? cons->context->pal.widget_bg : Color_INVERT_RESET;
char *selected_color = cons->context->color_mode ? cons->context->pal.widget_sel : Color_INVERT;
bool scrollbar = sel_widget->options_len > RZ_SELWIDGET_MAXH;
int scrollbar_y = 0, scrollbar_l = 0;
if (scrollbar) {
scrollbar_y = (RZ_SELWIDGET_MAXH * (sel_widget->selection - sel_widget->scroll)) / sel_widget->options_len;
scrollbar_l = (RZ_SELWIDGET_MAXH * RZ_SELWIDGET_MAXH) / sel_widget->options_len;
}
for (y = 0; y < sel_widget->h; y++) {
if (sel_widget->direction == RZ_SELWIDGET_DIR_UP) {
rz_cons_gotoxy(pos_x + 1, pos_y - y - 1);
} else {
rz_cons_gotoxy(pos_x + 1, pos_y + y + 1);
}
int scroll = RZ_MAX(0, sel_widget->selection - sel_widget->scroll);
const char *option = y < sel_widget->options_len ? sel_widget->options[y + scroll] : "";
rz_cons_printf("%s", sel_widget->selection == y + scroll ? selected_color : background_color);
rz_cons_printf("%-*.*s", sel_widget->w, sel_widget->w, option);
if (scrollbar && RZ_BETWEEN(scrollbar_y, y, scrollbar_y + scrollbar_l)) {
rz_cons_memcat(Color_INVERT " " Color_INVERT_RESET, 10);
} else {
rz_cons_memcat(" ", 1);
}
}
rz_cons_gotoxy(pos_x + I.buffer.length, pos_y);
rz_cons_memcat(Color_RESET_BG, 5);
rz_cons_flush();
}
static void selection_widget_up(int steps) {
RzSelWidget *sel_widget = I.sel_widget;
if (sel_widget) {
if (sel_widget->direction == RZ_SELWIDGET_DIR_UP) {
int height = RZ_MIN(sel_widget->h, RZ_SELWIDGET_MAXH - 1);
sel_widget->selection = RZ_MIN(sel_widget->selection + steps, sel_widget->options_len - 1);
if (steps == 1) {
sel_widget->scroll = RZ_MIN(sel_widget->scroll + 1, RZ_SELWIDGET_MAXH - 1);
} else if (sel_widget->selection + (height - sel_widget->scroll) > sel_widget->options_len - 1) {
sel_widget->scroll = height - (sel_widget->options_len - 1 - sel_widget->selection);
}
} else {
sel_widget->selection = RZ_MAX(sel_widget->selection - steps, 0);
if (steps == 1) {
sel_widget->scroll = RZ_MAX(sel_widget->scroll - 1, 0);
} else if (sel_widget->selection - sel_widget->scroll <= 0) {
sel_widget->scroll = sel_widget->selection;
}
}
}
}
static void selection_widget_down(int steps) {
RzSelWidget *sel_widget = I.sel_widget;
if (sel_widget) {
if (sel_widget->direction == RZ_SELWIDGET_DIR_UP) {
sel_widget->selection = RZ_MAX(sel_widget->selection - steps, 0);
if (steps == 1) {
sel_widget->scroll = RZ_MAX(sel_widget->scroll - 1, 0);
} else if (sel_widget->selection - sel_widget->scroll <= 0) {
sel_widget->scroll = sel_widget->selection;
}
} else {
int height = RZ_MIN(sel_widget->h, RZ_SELWIDGET_MAXH - 1);
sel_widget->selection = RZ_MIN(sel_widget->selection + steps, sel_widget->options_len - 1);
if (steps == 1) {
sel_widget->scroll = RZ_MIN(sel_widget->scroll + 1, RZ_SELWIDGET_MAXH - 1);
} else if (sel_widget->selection + (height - sel_widget->scroll) > sel_widget->options_len - 1) {
sel_widget->scroll = height - (sel_widget->options_len - 1 - sel_widget->selection);
}
}
}
}
static void print_rline_task(void *_core) {
RzCore *core = (RzCore *)_core;
if (core->cons->context->color_mode) {
rz_cons_clear_line(0);
}
rz_cons_printf("%s%s%s", Color_RESET, I.prompt, I.buffer.data);
rz_cons_flush();
}
static void selection_widget_erase(void) {
RzSelWidget *sel_widget = I.sel_widget;
if (sel_widget) {
sel_widget->options_len = 0;
sel_widget->selection = -1;
selection_widget_draw();
RZ_FREE(I.sel_widget);
RzCons *cons = rz_cons_singleton();
if (cons->event_resize && cons->event_data) {
cons->event_resize(cons->event_data);
RzCore *core = (RzCore *)(cons->user);
if (core) {
cons->cb_task_oneshot(&core->tasks, print_rline_task, core);
}
}
printf("%s", RZ_CONS_CLEAR_FROM_CURSOR_TO_END);
}
}
static void selection_widget_select(void) {
RzSelWidget *sel_widget = I.sel_widget;
if (sel_widget && sel_widget->selection < sel_widget->options_len) {
char *sp = strchr(I.buffer.data, ' ');
if (sp) {
int delta = sp - I.buffer.data + 1;
I.buffer.length = RZ_MIN(delta + strlen(sel_widget->options[sel_widget->selection]), RZ_LINE_BUFSIZE - 1);
memcpy(I.buffer.data + delta, sel_widget->options[sel_widget->selection], strlen(sel_widget->options[sel_widget->selection]));
I.buffer.index = I.buffer.length;
return;
}
I.buffer.length = RZ_MIN(strlen(sel_widget->options[sel_widget->selection]), RZ_LINE_BUFSIZE - 1);
memcpy(I.buffer.data, sel_widget->options[sel_widget->selection], I.buffer.length);
I.buffer.data[I.buffer.length] = '\0';
I.buffer.index = I.buffer.length;
selection_widget_erase();
}
}
static void selection_widget_update(void) {
int argc = rz_pvector_len(&I.completion.args);
const char **argv = (const char **)rz_pvector_data(&I.completion.args);
if (argc == 0 || (argc == 1 && I.buffer.length >= strlen(argv[0]))) {
selection_widget_erase();
return;
}
if (!I.sel_widget) {
RzSelWidget *sel_widget = RZ_NEW0(RzSelWidget);
I.sel_widget = sel_widget;
}
I.sel_widget->scroll = 0;
I.sel_widget->selection = 0;
I.sel_widget->options_len = argc;
I.sel_widget->options = argv;
I.sel_widget->h = RZ_MAX(I.sel_widget->h, I.sel_widget->options_len);
if (I.prompt_type == RZ_LINE_PROMPT_DEFAULT) {
I.sel_widget->direction = RZ_SELWIDGET_DIR_DOWN;
} else {
I.sel_widget->direction = RZ_SELWIDGET_DIR_UP;
}
selection_widget_draw();
rz_cons_flush();
return;
}
static bool is_valid_buffer_limits(RzLineBuffer *buf, size_t start, size_t end, size_t s_len) {
if (start > end || s_len < end - start) {
return false;
}
if (start > buf->length || start + s_len >= RZ_LINE_BUFSIZE - 1) {
return false;
}
if (end > buf->length || end + s_len >= RZ_LINE_BUFSIZE - 1) {
return false;
}
return true;
}
static void replace_buffer_text(RzLineBuffer *buf, size_t start, size_t end, const char *s) {
size_t s_len = strlen(s);
if (!is_valid_buffer_limits(buf, start, end, s_len)) {
return;
}
size_t diff = end - start;
// FIXME: escape s
memmove(buf->data + start + s_len, buf->data + end, buf->length - end);
memmove(buf->data + start, s, s_len);
buf->length += s_len - diff;
buf->index += s_len - diff;
buf->data[buf->length] = '\0';
}
static char *get_max_common_pfx(RzPVector *options) {
const char *ref = rz_pvector_at(options, 0);
size_t min_common_len = strlen(ref);
void **it;
bool first = true;
rz_pvector_foreach (options, it) {
if (first) {
first = false;
continue;
}
char *s = *(char **)it;
size_t j;
for (j = 0; s[j] && ref[j] && s[j] == ref[j]; j++)
;
if (j < min_common_len) {
min_common_len = j;
}
}
return rz_str_ndup(ref, min_common_len);
}
static void print_options(int argc, const char **argv) {
int cols = (int)(rz_cons_get_size(NULL) * 0.82);
size_t i, len;
const int sep = 3;
int slen, col = 10;
for (i = 0; i < argc && argv[i]; i++) {
int l = strlen(argv[i]);
if (sep + l > col) {
col = sep + l;
}
if (col > (cols >> 1)) {
col = (cols >> 1);
break;
}
}
for (len = i = 0; i < argc && argv[i]; i++) {
if (len + col > cols) {
rz_cons_printf("\n");
len = 0;
}
rz_cons_printf("%-*s ", col - sep, argv[i]);
slen = strlen(argv[i]);
len += (slen > col) ? (slen + sep) : (col + sep);
}
rz_cons_printf("\n");
}
RZ_API void rz_line_autocomplete(void) {
char *p;
const char **argv = NULL;
int argc = 0, i, j, plen;
bool opt = false;
RzCons *cons = rz_cons_singleton();
if (I.ns_completion.run) {
RzLineNSCompletionResult *res = I.ns_completion.run(&I.buffer, I.prompt_type, I.ns_completion.run_user);
if (!res || rz_pvector_empty(&res->options)) {
// do nothing
} else if (rz_pvector_len(&res->options) == 1) {
// if there is just one option, just use it
bool is_at_end = I.buffer.length == I.buffer.index;
replace_buffer_text(&I.buffer, res->start, res->end, rz_pvector_at(&res->options, 0));
if (is_at_end && res->end_string) {
replace_buffer_text(&I.buffer, I.buffer.length, I.buffer.length, res->end_string);
}
} else {
// otherwise find maxcommonprefix, print it, and then print options
char *max_common_pfx = get_max_common_pfx(&res->options);
replace_buffer_text(&I.buffer, res->start, res->end, max_common_pfx);
free(max_common_pfx);
rz_cons_printf("%s%s\n", I.prompt, I.buffer.data);
print_options(rz_pvector_len(&res->options), (const char **)rz_pvector_data(&res->options));
}
rz_line_ns_completion_result_free(res);
return;
}
/* prepare argc and argv */
if (I.completion.run) {
I.completion.opt = false;
I.completion.run(&I.completion, &I.buffer, I.prompt_type, I.completion.run_user);
argc = rz_pvector_len(&I.completion.args);
argv = (const char **)rz_pvector_data(&I.completion.args);
opt = I.completion.opt;
}
if (I.sel_widget && !I.sel_widget->complete_common) {
selection_widget_update();
return;
}
if (opt) {
p = (char *)rz_sub_str_lchr(I.buffer.data, 0, I.buffer.index, '=');
} else {
p = (char *)rz_sub_str_lchr(I.buffer.data, 0, I.buffer.index, ' ');
}
if (!p) {
p = (char *)rz_sub_str_lchr(I.buffer.data, 0, I.buffer.index, '@'); // HACK FOR r2
}
if (p) {
p++;
plen = sizeof(I.buffer.data) - (int)(size_t)(p - I.buffer.data);
} else {
p = I.buffer.data; // XXX: removes current buffer
plen = sizeof(I.buffer.data);
}
/* autocomplete */
if (argc == 1) {
const char *end_word = rz_sub_str_rchr(I.buffer.data,
I.buffer.index, strlen(I.buffer.data), ' ');
const char *t = end_word != NULL ? end_word : I.buffer.data + I.buffer.index;
int largv0 = strlen(argv[0] ? argv[0] : "");
size_t len_t = strlen(t);
p[largv0] = '\0';
if ((p - I.buffer.data) + largv0 + 1 + len_t < plen) {
if (len_t > 0) {
int tt = largv0;
if (*t != ' ') {
p[tt++] = ' ';
}
memmove(p + tt, t, len_t);
}
memcpy(p, argv[0], largv0);
if (p[largv0 - 1] != RZ_SYS_DIR[0]) {
p[largv0] = ' ';
if (!len_t) {
p[largv0 + 1] = '\0';
}
}
I.buffer.length = strlen(I.buffer.data);
I.buffer.index = I.buffer.length;
}
} else if (argc > 0) {
if (*p) {
// TODO: avoid overflow
const char *t = I.buffer.data + I.buffer.index;
const char *root = argv[0];
int min_common_len = strlen(root);
size_t len_t = strlen(t);
// try to autocomplete argument
for (i = 0; i < argc; i++) {
j = 0;
if (!argv[i]) {
break;
}
while (argv[i][j] == root[j] && root[j] != '\0')
j++;
if (j < min_common_len) {
min_common_len = j;
}
root = argv[i];
}
if (len_t > 0) {
int tt = min_common_len;
memmove(p + tt, t, len_t);
p[tt + len_t] = '\0';
}
memmove(p, root, min_common_len);
if (!len_t) {
p[min_common_len] = '\0';
}
I.buffer.length = strlen(I.buffer.data);
I.buffer.index = (p - I.buffer.data) + min_common_len;
}
}
if (I.prompt_type != RZ_LINE_PROMPT_DEFAULT || cons->show_autocomplete_widget) {
selection_widget_update();
if (I.sel_widget) {
I.sel_widget->complete_common = false;
}
return;
}
/* show options */
if (argc > 1 && I.echo) {
rz_cons_printf("%s%s\n", I.prompt, I.buffer.data);
print_options(argc, argv);
}
}
RZ_API const char *rz_line_readline(void) {
return rz_line_readline_cb(NULL, NULL);
}
static inline void rotate_kill_ring(void) {
if (enable_yank_pop) {
I.buffer.index -= strlen(rz_list_get_n(I.kill_ring, I.kill_ring_ptr));
I.buffer.data[I.buffer.index] = 0;
I.kill_ring_ptr -= 1;
if (I.kill_ring_ptr < 0) {
I.kill_ring_ptr = I.kill_ring->length - 1;
}
I.clipboard = rz_list_get_n(I.kill_ring, I.kill_ring_ptr);
paste();
}
}
static inline void __delete_next_char(void) {
if (I.buffer.index < I.buffer.length) {
int len = rz_str_utf8_charsize(I.buffer.data + I.buffer.index);
memmove(I.buffer.data + I.buffer.index,
I.buffer.data + I.buffer.index + len,
strlen(I.buffer.data + I.buffer.index + 1) + 1);
I.buffer.length -= len;
}
}
static inline void __delete_prev_char(void) {
if (I.buffer.index < I.buffer.length) {
if (I.buffer.index > 0) {
size_t len = rz_str_utf8_charsize_prev(I.buffer.data + I.buffer.index, I.buffer.index);
I.buffer.index -= len;
memmove(I.buffer.data + I.buffer.index,
I.buffer.data + I.buffer.index + len,
strlen(I.buffer.data + I.buffer.index));
I.buffer.length -= len;
}
} else {
I.buffer.length -= rz_str_utf8_charsize_last(I.buffer.data);
I.buffer.index = I.buffer.length;
if (I.buffer.length < 0) {
I.buffer.length = 0;
}
}
I.buffer.data[I.buffer.length] = '\0';
if (I.buffer.index < 0) {
I.buffer.index = 0;
}
}
static inline void delete_till_end(void) {
I.buffer.data[I.buffer.index] = '\0';
I.buffer.length = I.buffer.index;
I.buffer.index = I.buffer.index > 0 ? I.buffer.index - 1 : 0;
}
static void __print_prompt(void) {
RzCons *cons = rz_cons_singleton();
int columns = rz_cons_get_size(NULL) - 2;
int chars = RZ_MAX(1, strlen(I.buffer.data));
int len, i, cols = RZ_MAX(1, columns - rz_str_ansi_len(I.prompt) - 2);
if (cons->line->prompt_type == RZ_LINE_PROMPT_OFFSET) {
rz_cons_gotoxy(0, cons->rows);
rz_cons_flush();
}
if (cons->context->color_mode > 0) {
rz_cons_clear_line(0);
printf("\r%s%s", Color_RESET, I.prompt);
} else {
printf("\r%s", I.prompt);
}
fwrite(I.buffer.data, 1, RZ_MIN(cols, chars), stdout);
printf("\r%s", I.prompt);
if (I.buffer.index > cols) {
printf("< ");
i = I.buffer.index - cols;
if (i > sizeof(I.buffer.data)) {
i = sizeof(I.buffer.data) - 1;
}
} else {
i = 0;
}
len = I.buffer.index - i;
if (len > 0 && (i + len) <= I.buffer.length) {
fwrite(I.buffer.data + i, 1, len, stdout);
}
fflush(stdout);
}
static inline void __move_cursor_right(void) {
I.buffer.index = I.buffer.index < I.buffer.length
? I.buffer.index + rz_str_utf8_charsize(I.buffer.data + I.buffer.index)
: I.buffer.length;
}
static inline void __move_cursor_left(void) {
I.buffer.index = I.buffer.index
? I.buffer.index - rz_str_utf8_charsize_prev(I.buffer.data + I.buffer.index, I.buffer.index)
: 0;
}
static inline void vi_cmd_b(void) {
int i;
for (i = I.buffer.index - 2; i >= 0; i--) {
if ((is_word_break_char(I.buffer.data[i], MINOR_BREAK) && !is_word_break_char(I.buffer.data[i], MAJOR_BREAK)) || (is_word_break_char(I.buffer.data[i - 1], MINOR_BREAK) && !is_word_break_char(I.buffer.data[i], MINOR_BREAK))) {
I.buffer.index = i;
break;
}
}
if (i < 0) {
I.buffer.index = 0;
}
}
static inline void vi_cmd_B(void) {
int i;
for (i = I.buffer.index - 2; i >= 0; i--) {
if ((!is_word_break_char(I.buffer.data[i], MAJOR_BREAK) && is_word_break_char(I.buffer.data[i - 1], MAJOR_BREAK))) {
I.buffer.index = i;
break;
}
}
if (i < 0) {
I.buffer.index = 0;
}
}
static inline void vi_cmd_W(void) {
int i;
for (i = I.buffer.index + 1; i < I.buffer.length; i++) {
if ((!is_word_break_char(I.buffer.data[i], MAJOR_BREAK) && is_word_break_char(I.buffer.data[i - 1], MAJOR_BREAK))) {
I.buffer.index = i;
break;
}
}
if (i >= I.buffer.length) {
I.buffer.index = I.buffer.length - 1;
}
}
static inline void vi_cmd_w(void) {
int i;
for (i = I.buffer.index + 1; i < I.buffer.length; i++) {
if ((!is_word_break_char(I.buffer.data[i], MINOR_BREAK) && is_word_break_char(I.buffer.data[i - 1], MINOR_BREAK)) || (is_word_break_char(I.buffer.data[i], MINOR_BREAK) && !is_word_break_char(I.buffer.data[i], MAJOR_BREAK))) {
I.buffer.index = i;
break;
}
}
if (i >= I.buffer.length) {
I.buffer.index = I.buffer.length - 1;
}
}
static inline void vi_cmd_E(void) {
int i;
for (i = I.buffer.index + 1; i < I.buffer.length; i++) {
if ((!is_word_break_char(I.buffer.data[i], MAJOR_BREAK) && is_word_break_char(I.buffer.data[i + 1], MAJOR_BREAK))) {
I.buffer.index = i;
break;
}
}
if (i >= I.buffer.length) {
I.buffer.index = I.buffer.length - 1;
}
}
static inline void vi_cmd_e(void) {
int i;
for (i = I.buffer.index + 1; i < I.buffer.length; i++) {
if ((!is_word_break_char(I.buffer.data[i], MINOR_BREAK) && is_word_break_char(I.buffer.data[i + 1], MINOR_BREAK)) || (is_word_break_char(I.buffer.data[i], MINOR_BREAK) && !is_word_break_char(I.buffer.data[i], MAJOR_BREAK))) {
I.buffer.index = i;
break;
}
}
if (i >= I.buffer.length) {
I.buffer.index = I.buffer.length - 1;
}
}
static void __update_prompt_color(void) {
RzCons *cons = rz_cons_singleton();
const char *BEGIN = "", *END = "";
if (cons->context->color_mode) {
if (I.prompt_mode) {
switch (I.vi_mode) {
case CONTROL_MODE:
BEGIN = cons->context->pal.invalid;
break;
case INSERT_MODE:
default:
BEGIN = cons->context->pal.prompt;
break;
}
} else {
BEGIN = cons->context->pal.prompt;
}
END = cons->context->pal.reset;
}
char *prompt = rz_str_escape(I.prompt); // remote the color
free(I.prompt);
I.prompt = rz_str_newf("%s%s%s", BEGIN, prompt, END);
}
static void __vi_mode(void) {
char ch;
I.vi_mode = CONTROL_MODE;
__update_prompt_color();
const char *gcomp_line = "";
static int gcomp = 0;
for (;;) {
int rep = 0;
if (I.echo) {
__print_prompt();
}
if (I.vi_mode != CONTROL_MODE) { // exit if insert mode is selected
__update_prompt_color();
break;
}
bool o_do_setup_match = I.history.do_setup_match;
I.history.do_setup_match = true;
ch = rz_cons_readchar();
while (IS_DIGIT(ch)) { // handle commands like 3b
if (ch == '0' && rep == 0) { // to handle the command 0
break;
}
int tmp = ch - '0';
rep = (rep * 10) + tmp;
ch = rz_cons_readchar();
}
rep = rep > 0 ? rep : 1;
switch (ch) {
case 3:
if (I.hud) {
I.hud->activate = false;
I.hud->current_entry_n = -1;
}
if (I.echo) {
eprintf("^C\n");
}
I.buffer.index = I.buffer.length = 0;
*I.buffer.data = '\0';
gcomp = 0;
return;
case 'D':
delete_till_end();
break;
case 'r': {
char c = rz_cons_readchar();
I.buffer.data[I.buffer.index] = c;
} break;
case 'x':
while (rep--) {
__delete_next_char();
}
break;
case 'c':
I.vi_mode = INSERT_MODE; // goto insert mode
/* fall through */
case 'd': {
char c = rz_cons_readchar();
while (rep--) {
switch (c) {
case 'i': {
char t = rz_cons_readchar();
if (t == 'w') { // diw
kill_word(MINOR_BREAK);
backward_kill_word(MINOR_BREAK);
} else if (t == 'W') { // diW
kill_word(MAJOR_BREAK);
backward_kill_word(MINOR_BREAK);
}
if (I.hud) {
I.hud->vi = false;
}
} break;
case 'W':
kill_word(MAJOR_BREAK);
break;
case 'w':
kill_word(MINOR_BREAK);
break;
case 'B':
backward_kill_word(MAJOR_BREAK);
break;
case 'b':
backward_kill_word(MINOR_BREAK);
break;
case 'h':
__delete_prev_char();
break;
case 'l':
__delete_next_char();
break;
case '$':
delete_till_end();
break;
case '^':
case '0':
strncpy(I.buffer.data, I.buffer.data + I.buffer.index, I.buffer.length);
I.buffer.length -= I.buffer.index;
I.buffer.index = 0;
break;
}
__print_prompt();
}
} break;
case 'I':
if (I.hud) {
I.hud->vi = false;
}
I.vi_mode = INSERT_MODE;
/* fall through */
case '^':
case '0':
if (gcomp) {
strcpy(I.buffer.data, gcomp_line);
I.buffer.length = strlen(I.buffer.data);
I.buffer.index = 0;
gcomp = false;
}
I.buffer.index = 0;
break;
case 'A':
I.vi_mode = INSERT_MODE;
/* fall through */
case '$':
if (gcomp) {
strcpy(I.buffer.data, gcomp_line);
I.buffer.index = strlen(I.buffer.data);
I.buffer.length = I.buffer.index;
gcomp = false;
} else {
I.buffer.index = I.buffer.length;
}
break;
case 'p':
while (rep--) {
paste();
}
break;
case 'a':
__move_cursor_right();
/* fall through */
case 'i':
I.vi_mode = INSERT_MODE;
if (I.hud) {
I.hud->vi = false;
}
break;
case 'h':
while (rep--) {
__move_cursor_left();
}
break;
case 'l':
while (rep--) {
__move_cursor_right();
}
break;
case 'E':
while (rep--) {
vi_cmd_E();
}
break;
case 'e':
while (rep--) {
vi_cmd_e();
}
break;
case 'B':
while (rep--) {
vi_cmd_B();
}
break;
case 'b':
while (rep--) {
vi_cmd_b();
}
break;
case 'W':
while (rep--) {
vi_cmd_W();
}
break;
case 'w':
while (rep--) {
vi_cmd_w();
}
break;
default: // escape key
ch = tolower(rz_cons_arrow_to_hjkl(ch));
switch (ch) {
case 'k': // up
I.history.do_setup_match = o_do_setup_match;
rz_line_hist_up();
break;
case 'j': // down
I.history.do_setup_match = o_do_setup_match;
rz_line_hist_down();
break;
case 'l': // right
__move_cursor_right();
break;
case 'h': // left
__move_cursor_left();
break;
}
break;
}
if (I.hud) {
return;
}
}
}
RZ_API const char *rz_line_readline_cb(RzLineReadCallback cb, void *user) {
int rows;
const char *gcomp_line = "";
static int gcomp_idx = 0;
static bool yank_flag = 0;
static int gcomp = 0;
static int gcomp_is_rev = true;
char buf[10];
#if USE_UTF8
int utflen;
#endif
int ch = 0, key, i = 0; /* grep completion */
char *tmp_ed_cmd, prev = 0;
int prev_buflen = -1;
RzCons *cons = rz_cons_singleton();
if (!I.hud || (I.hud && !I.hud->activate)) {
I.buffer.index = I.buffer.length = 0;
I.buffer.data[0] = '\0';
if (I.hud) {
I.hud->activate = true;
}
}
int mouse_status = cons->mouse;
if (I.hud && I.hud->vi) {
__vi_mode();
goto _end;
}
if (I.contents) {
memmove(I.buffer.data, I.contents,
RZ_MIN(strlen(I.contents) + 1, RZ_LINE_BUFSIZE - 1));
I.buffer.data[RZ_LINE_BUFSIZE - 1] = '\0';
I.buffer.index = I.buffer.length = strlen(I.contents);
}
if (I.disable) {
if (!fgets(I.buffer.data, RZ_LINE_BUFSIZE, stdin)) {
return NULL;
}
return (*I.buffer.data) ? I.buffer.data : rz_line_nullstr;
}
memset(&buf, 0, sizeof buf);
rz_cons_set_raw(1);
if (I.echo) {
__print_prompt();
}
rz_cons_break_push(NULL, NULL);
rz_cons_enable_mouse(I.hud);
for (;;) {
yank_flag = 0;
if (rz_cons_is_breaked()) {
break;
}
I.buffer.data[I.buffer.length] = '\0';
if (cb) {
int cbret = cb(user, I.buffer.data);
if (cbret == 0) {
I.buffer.data[0] = 0;
I.buffer.length = 0;
}
}
#if USE_UTF8
utflen = rz_line_readchar_utf8((ut8 *)buf, sizeof(buf));
if (utflen < 1) {
rz_cons_break_pop();
return NULL;
}
buf[utflen] = 0;
#else
#if __WINDOWS__
{
int len = rz_line_readchar_win((ut8 *)buf, sizeof(buf));
if (len < 1) {
rz_cons_break_pop();
return NULL;
}
buf[len] = 0;
}
#else
ch = rz_cons_readchar();
if (ch == -1) {
rz_cons_break_pop();
return NULL;
}
buf[0] = ch;
#endif
#endif
bool o_do_setup_match = I.history.do_setup_match;
I.history.do_setup_match = true;
if (I.echo && cons->context->color_mode) {
rz_cons_clear_line(0);
}
(void)rz_cons_get_size(&rows);
switch (*buf) {
case 0: // control-space
/* ignore atm */
break;
case 1: // ^A
if (gcomp) {
strcpy(I.buffer.data, gcomp_line);
I.buffer.length = strlen(I.buffer.data);
I.buffer.index = 0;
gcomp = false;
}
I.buffer.index = 0;
break;
case 2: // ^b // emacs left
__move_cursor_left();
break;
case 5: // ^E
if (gcomp) {
strcpy(I.buffer.data, gcomp_line);
I.buffer.index = strlen(I.buffer.data);
I.buffer.length = I.buffer.index;
gcomp = false;
} else if (prev == 24) { // ^X = 0x18
I.buffer.data[I.buffer.length] = 0; // probably unnecessary
tmp_ed_cmd = I.cb_editor(I.user, I.buffer.data);
if (tmp_ed_cmd) {
/* copied from yank (case 25) */
I.buffer.length = strlen(tmp_ed_cmd);
if (I.buffer.length < RZ_LINE_BUFSIZE) {
I.buffer.index = I.buffer.length;
strncpy(I.buffer.data, tmp_ed_cmd, RZ_LINE_BUFSIZE - 1);
I.buffer.data[RZ_LINE_BUFSIZE - 1] = '\0';
} else {
I.buffer.length -= strlen(tmp_ed_cmd);
}
free(tmp_ed_cmd);
}
} else {
I.buffer.index = I.buffer.length;
}
break;
case 3: // ^C
if (I.hud) {
I.hud->activate = false;
I.hud->current_entry_n = -1;
}
if (I.echo) {
eprintf("^C\n");
}
I.buffer.index = I.buffer.length = 0;
*I.buffer.data = '\0';
gcomp = 0;
goto _end;
case 4: // ^D
if (!I.buffer.data[0]) { /* eof */
if (I.echo) {
printf("^D\n");
}
rz_cons_set_raw(false);
rz_cons_break_pop();
return NULL;
}
if (I.buffer.index < I.buffer.length) {
__delete_next_char();
}
break;
case 11: // ^K
I.buffer.data[I.buffer.index] = '\0';
I.buffer.length = I.buffer.index;
break;
case 6: // ^f // emacs right
__move_cursor_right();
break;
case 12: // ^L -- right
__move_cursor_right();
if (I.echo) {
eprintf("\x1b[2J\x1b[0;0H");
}
fflush(stdout);
break;
case 18: // ^R -- reverse-search
if (gcomp) {
gcomp_idx++;
}
gcomp_is_rev = true;
gcomp = 1;
break;
case 19: // ^S -- forward-search
if (gcomp) {
if (gcomp_idx > 0) {
gcomp_idx--;
}
gcomp_is_rev = false;
} else {
__move_cursor_left();
}
break;
case 21: // ^U - cut
free(I.clipboard);
I.clipboard = strdup(I.buffer.data);
rz_line_clipboard_push(I.clipboard);
I.buffer.data[0] = '\0';
I.buffer.length = 0;
I.buffer.index = 0;
break;
#if __WINDOWS__
case 22: // ^V - Paste from windows clipboard
{
HANDLE hClipBoard;
PTCHAR clipText;
if (OpenClipboard(NULL)) {
hClipBoard = GetClipboardData(CF_UNICODETEXT);
if (hClipBoard) {
clipText = GlobalLock(hClipBoard);
if (clipText) {
char *txt = rz_utf16_to_utf8(clipText);
if (!txt) {
RZ_LOG_ERROR("Failed to allocate memory\n");
break;
}
int len = strlen(txt);
I.buffer.length += len;
if (I.buffer.length < RZ_LINE_BUFSIZE) {
I.buffer.index = I.buffer.length;
strcat(I.buffer.data, txt);
} else {
I.buffer.length -= len;
}
free(txt);
}
GlobalUnlock(hClipBoard);
}
CloseClipboard();
}
} break;
#endif
case 23: // ^W ^w unix-word-rubout
unix_word_rubout();
break;
case 24: // ^X
if (I.buffer.index > 0) {
strncpy(I.buffer.data, I.buffer.data + I.buffer.index, I.buffer.length);
I.buffer.length -= I.buffer.index;
I.buffer.index = 0;
}
break;
case 25: // ^Y - paste
paste();
yank_flag = 1;
break;
case 29: // ^^ - rotate kill ring
rotate_kill_ring();
yank_flag = enable_yank_pop ? 1 : 0;
break;
case 20: // ^t Kill from point to the end of the current word,
kill_word(MINOR_BREAK);
break;
case 15: // ^o kill backward
backward_kill_word(MINOR_BREAK);
break;
case 14: // ^n
if (I.hud) {
if (I.hud->top_entry_n + 1 < I.hud->current_entry_n) {
I.hud->top_entry_n++;
}
} else if (I.sel_widget) {
selection_widget_down(1);
selection_widget_draw();
} else if (gcomp) {
if (gcomp_idx > 0) {
gcomp_idx--;
}
} else {
I.history.do_setup_match = o_do_setup_match;
rz_line_hist_down();
}
break;
case 16: // ^p
if (I.hud) {
if (I.hud->top_entry_n >= 0) {
I.hud->top_entry_n--;
}
} else if (I.sel_widget) {
selection_widget_up(1);
selection_widget_draw();
} else if (gcomp) {
gcomp_idx++;
} else {
I.history.do_setup_match = o_do_setup_match;
rz_line_hist_up();
}
break;
case 27: // esc-5b-41-00-00 alt/meta key
#if __WINDOWS__
if (I.vtmode != 2) {
memmove(buf, buf + 1, strlen(buf));
if (!buf[0]) {
buf[0] = -1;
}
} else {
#endif
buf[0] = rz_cons_readchar_timeout(50);
#if __WINDOWS__
}
#endif
switch (buf[0]) {
case 127: // alt+bkspace
backward_kill_word(MINOR_BREAK);
break;
case -1: // escape key, goto vi mode
if (I.enable_vi_mode) {
if (I.hud) {
I.hud->vi = true;
}
__vi_mode();
};
if (I.sel_widget) {
selection_widget_erase();
}
break;
case 1: // begin
I.buffer.index = 0;
break;
case 5: // end
I.buffer.index = I.buffer.length;
break;
case 'B':
case 'b':
for (i = I.buffer.index - 2; i >= 0; i--) {
if (is_word_break_char(I.buffer.data[i], MINOR_BREAK) && !is_word_break_char(I.buffer.data[i + 1], MINOR_BREAK)) {
I.buffer.index = i + 1;
break;
}
}
if (i < 0) {
I.buffer.index = 0;
}
break;
case 'D':
case 'd':
kill_word(MINOR_BREAK);
break;
case 'F':
case 'f':
// next word
for (i = I.buffer.index + 1; i < I.buffer.length; i++) {
if (!is_word_break_char(I.buffer.data[i], MINOR_BREAK) && is_word_break_char(I.buffer.data[i - 1], MINOR_BREAK)) {
I.buffer.index = i;
break;
}
}
if (i >= I.buffer.length) {
I.buffer.index = I.buffer.length;
}
break;
default:
if (I.vtmode == 2) {
buf[1] = rz_cons_readchar_timeout(50);
if (buf[1] == -1) { // alt+e
rz_cons_break_pop();
__print_prompt();
continue;
}
}
if (buf[0] == 0x5b) { // [
switch (buf[1]) {
case '3': // supr
__delete_next_char();
if (I.vtmode == 2) {
buf[1] = rz_cons_readchar();
if (buf[1] == -1) {
rz_cons_break_pop();
return NULL;
}
}
break;
case '5': // pag up
if (I.vtmode == 2) {
buf[1] = rz_cons_readchar();
}
if (I.hud) {
I.hud->top_entry_n -= (rows - 1);
if (I.hud->top_entry_n < 0) {
I.hud->top_entry_n = 0;
}
}
if (I.sel_widget) {
selection_widget_up(RZ_MIN(I.sel_widget->h, RZ_SELWIDGET_MAXH));
selection_widget_draw();
}
break;
case '6': // pag down
if (I.vtmode == 2) {
buf[1] = rz_cons_readchar();
}
if (I.hud) {
I.hud->top_entry_n += (rows - 1);
if (I.hud->top_entry_n >= I.hud->current_entry_n) {
I.hud->top_entry_n = I.hud->current_entry_n - 1;
}
}
if (I.sel_widget) {
selection_widget_down(RZ_MIN(I.sel_widget->h, RZ_SELWIDGET_MAXH));
selection_widget_draw();
}
break;
case '9': // handle mouse wheel
key = rz_cons_readchar();
cons->mouse_event = 1;
if (key == '6') { // up
if (I.hud && I.hud->top_entry_n + 1 < I.hud->current_entry_n) {
I.hud->top_entry_n--;
}
} else if (key == '7') { // down
if (I.hud && I.hud->top_entry_n >= 0) {
I.hud->top_entry_n++;
}
}
while (rz_cons_readchar() != 'M') {
}
break;
/* arrows */
case 'A': // up arrow
if (I.hud) {
if (I.hud->top_entry_n > 0) {
I.hud->top_entry_n--;
}
} else if (I.sel_widget) {
selection_widget_up(1);
selection_widget_draw();
} else if (gcomp) {
gcomp_idx++;
} else {
I.history.do_setup_match = o_do_setup_match;
if (rz_line_hist_up() == -1) {
rz_cons_break_pop();
return NULL;
}
}
break;
case 'B': // down arrow
if (I.hud) {
if (I.hud->top_entry_n + 1 < I.hud->current_entry_n) {
I.hud->top_entry_n++;
}
} else if (I.sel_widget) {
selection_widget_down(1);
selection_widget_draw();
} else if (gcomp) {
if (gcomp_idx > 0) {
gcomp_idx--;
}
} else {
I.history.do_setup_match = o_do_setup_match;
if (rz_line_hist_down() == -1) {
rz_cons_break_pop();
return NULL;
}
}
break;
case 'C': // right arrow
__move_cursor_right();
break;
case 'D': // left arrow
__move_cursor_left();
break;
case 0x31: // control + arrow
if (I.vtmode == 2) {
ch = rz_cons_readchar();
if (ch == 0x7e) { // HOME in screen/tmux
// corresponding END is 0x34 below (the 0x7e is ignored there)
I.buffer.index = 0;
break;
}
rz_cons_readchar();
}
#if __WINDOWS__
else {
ch = buf[2];
}
#endif
int fkey = ch - '0';
switch (ch) {
case 0x41:
// first
I.buffer.index = 0;
break;
case 0x44:
// previous word
for (i = I.buffer.index; i > 0; i--) {
if (I.buffer.data[i] == ' ') {
I.buffer.index = i - 1;
break;
}
}
if (I.buffer.data[i] != ' ') {
I.buffer.index = 0;
}
break;
case 0x42:
// end
I.buffer.index = I.buffer.length;
break;
case 0x43:
// next word
for (i = I.buffer.index; i < I.buffer.length; i++) {
if (I.buffer.data[i] == ' ') {
I.buffer.index = i + 1;
break;
}
}
if (I.buffer.data[i] != ' ') {
I.buffer.index = I.buffer.length;
}
break;
default:
if (I.vtmode == 2) {
if (I.cb_fkey) {
I.cb_fkey(I.user, fkey);
}
}
break;
}
rz_cons_set_raw(1);
break;
case 0x37: // HOME xrvt-unicode
rz_cons_readchar();
/* fall through */
case 0x48: // HOME
if (I.sel_widget) {
selection_widget_up(I.sel_widget->options_len - 1);
selection_widget_draw();
break;
}
I.buffer.index = 0;
break;
case 0x34: // END
case 0x38: // END xrvt-unicode
rz_cons_readchar();
case 0x46: // END
if (I.sel_widget) {
selection_widget_down(I.sel_widget->options_len - 1);
selection_widget_draw();
break;
}
I.buffer.index = I.buffer.length;
break;
}
}
}
break;
case 8:
case 127:
if (I.hud && (I.buffer.index == 0)) {
I.hud->activate = false;
I.hud->current_entry_n = -1;
}
__delete_prev_char();
break;
case 9: // TAB tab
if (I.buffer.length > 0 && I.buffer.data[I.buffer.length - 1] == '@') {
strcpy(I.buffer.data + I.buffer.length, " ");
I.buffer.length++;
I.buffer.index++;
}
if (I.sel_widget) {
selection_widget_down(1);
I.sel_widget->complete_common = true;
selection_widget_draw();
}
if (I.hud) {
if (I.hud->top_entry_n + 1 < I.hud->current_entry_n) {
I.hud->top_entry_n++;
} else {
I.hud->top_entry_n = 0;
}
} else {
rz_line_autocomplete();
rz_cons_flush();
}
break;
case 10: // ^J -- ignore
case 13: // enter
if (I.hud) {
I.hud->activate = false;
break;
}
if (I.sel_widget) {
selection_widget_select();
break;
}
if (gcomp && I.buffer.length > 0) {
strncpy(I.buffer.data, gcomp_line, RZ_LINE_BUFSIZE - 1);
I.buffer.data[RZ_LINE_BUFSIZE - 1] = '\0';
I.buffer.length = strlen(gcomp_line);
}
gcomp_idx = gcomp = 0;
goto _end;
default:
if (gcomp) {
gcomp++;
}
{
#if USE_UTF8
int size = utflen;
#else
int size = 1;
#endif
if (I.buffer.length + size >= RZ_LINE_BUFSIZE) {
break;
}
}
if (I.buffer.index < I.buffer.length) {
#if USE_UTF8
if ((I.buffer.length + utflen) < sizeof(I.buffer.data)) {
I.buffer.length += utflen;
for (i = I.buffer.length; i > I.buffer.index; i--) {
I.buffer.data[i] = I.buffer.data[i - utflen];
}
memcpy(I.buffer.data + I.buffer.index, buf, utflen);
}
#else
for (i = ++I.buffer.length; i > I.buffer.index; i--) {
I.buffer.data[i] = I.buffer.data[i - 1];
}
I.buffer.data[I.buffer.index] = buf[0];
#endif
} else {
#if USE_UTF8
if ((I.buffer.length + utflen) < sizeof(I.buffer.data)) {
memcpy(I.buffer.data + I.buffer.length, buf, utflen);
I.buffer.length += utflen;
}
I.buffer.data[I.buffer.length] = '\0';
#else
I.buffer.data[I.buffer.length] = buf[0];
I.buffer.length++;
if (I.buffer.length > (RZ_LINE_BUFSIZE - 1)) {
I.buffer.length--;
}
I.buffer.data[I.buffer.length] = '\0';
#endif
}
#if USE_UTF8
if ((I.buffer.index + utflen) <= I.buffer.length) {
I.buffer.index += utflen;
}
#else
if (I.buffer.index < I.buffer.length) {
I.buffer.index++;
}
#endif
break;
}
if (I.sel_widget && I.buffer.length != prev_buflen) {
prev_buflen = I.buffer.length;
rz_line_autocomplete();
rz_cons_flush();
}
prev = buf[0];
if (I.echo) {
if (gcomp) {
gcomp_line = "";
int counter = 0;
if (I.history.data != NULL) {
for (i = I.history.size - 1; i >= 0; i--) {
if (!I.history.data[i]) {
continue;
}
if (strstr(I.history.data[i], I.buffer.data)) {
gcomp_line = I.history.data[i];
if (++counter > gcomp_idx) {
break;
}
}
if (i == 0) {
if (gcomp_is_rev) {
gcomp_idx--;
}
}
}
}
const char *prompt = gcomp_is_rev ? "reverse-i-search" : "forward-i-search";
printf("\r (%s (%s)): %s\r", prompt, I.buffer.data, gcomp_line);
} else {
__print_prompt();
}
fflush(stdout);
}
enable_yank_pop = yank_flag ? 1 : 0;
if (I.hud) {
goto _end;
}
}
_end:
rz_cons_break_pop();
rz_cons_set_raw(0);
rz_cons_enable_mouse(mouse_status);
if (I.echo) {
printf("\r%s%s\n", I.prompt, I.buffer.data);
fflush(stdout);
}
RZ_FREE(I.sel_widget);
// should be here or not?
if (!memcmp(I.buffer.data, "!history", 8)) {
// if (I.buffer.data[0]=='!' && I.buffer.data[1]=='\0') {
rz_line_hist_list();
return rz_line_nullstr;
}
return I.buffer.data[0] != '\0' ? I.buffer.data : rz_line_nullstr;
}
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