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[bim] Partial yanks and bug fixes

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This commit is contained in:
K. Lange 2018-09-03 19:46:28 +09:00
parent 5ddce4e51d
commit 040dea6374
1 changed files with 114 additions and 11 deletions
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125
apps/bim.c
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@ -21,9 +21,6 @@
* Bim supports syntax highlighting, extensive editing, line selection
* and copy-paste, undo/redo stack, forward and backward search, and can
* be built for ToaruOS, Sortix, Linux, macOS, and BSDs.
*
* Future goals:
* - Yanking from character selection
*/
#define _XOPEN_SOURCE 500
#define _DARWIN_C_SOURCE 1
@ -167,11 +164,12 @@ struct {
line_t ** yanks;
size_t yank_count;
int yank_is_full_lines;
int tty_in;
const char * bimrc_path;
int can_scroll;
int can_hideshow;
int can_altscreen;
@ -188,6 +186,7 @@ struct {
0, /* initial_file_is_read_only */
NULL, /* yanks */
0, /* yank_count */
0,
STDIN_FILENO, /* tty_in */
"~/.bimrc", /* bimrc_path */
1,
@ -196,7 +195,7 @@ struct {
1,
1,
1,
0,
1,
1,
};
@ -3208,6 +3207,7 @@ void process_command(char * cmd) {
} else if (!strcmp(argv[0], "noh")) {
if (env->search) {
free(env->search);
env->search = NULL;
redraw_text();
}
} else if (!strcmp(argv[0], "help")) {
@ -4519,6 +4519,7 @@ void yank_lines(int start, int end) {
}
global_config.yanks = malloc(sizeof(line_t *) * lines_to_yank);
global_config.yank_count = lines_to_yank;
global_config.yank_is_full_lines = 1;
for (int i = 0; i < lines_to_yank; ++i) {
global_config.yanks[i] = malloc(sizeof(line_t) + sizeof(char_t) * (env->lines[start_point+i]->available));
global_config.yanks[i]->available = env->lines[start_point+i]->available;
@ -4532,6 +4533,53 @@ void yank_lines(int start, int end) {
}
}
void yank_partial_line(int yank_no, int line_no, int start_off, int count) {
global_config.yanks[yank_no] = malloc(sizeof(line_t) + sizeof(char_t) * (count + 1));
global_config.yanks[yank_no]->available = count + 1; /* ensure extra space */
global_config.yanks[yank_no]->actual = count;
global_config.yanks[yank_no]->istate = 0;
memcpy(&global_config.yanks[yank_no]->text, &env->lines[line_no]->text[start_off], sizeof(char_t) * count);
for (int i = 0; i < count; ++i) {
global_config.yanks[yank_no]->text[i].flags = 0;
}
}
/**
* Yank text...
*/
void yank_text(int start_line, int start_col, int end_line, int end_col) {
if (global_config.yanks) {
for (unsigned int i = 0; i < global_config.yank_count; ++i) {
free(global_config.yanks[i]);
}
free(global_config.yanks);
}
int lines_to_yank = end_line - start_line + 1;
int start_point = start_line - 1;
global_config.yanks = malloc(sizeof(line_t *) * lines_to_yank);
global_config.yank_count = lines_to_yank;
global_config.yank_is_full_lines = 0;
if (lines_to_yank == 1) {
yank_partial_line(0, start_point, start_col - 1, (end_col - start_col + 1));
} else {
yank_partial_line(0, start_point, start_col - 1, (env->lines[start_point]->actual - start_col + 1));
/* Yank middle lines */
for (int i = 1; i < lines_to_yank - 1; ++i) {
global_config.yanks[i] = malloc(sizeof(line_t) + sizeof(char_t) * (env->lines[start_point+i]->available));
global_config.yanks[i]->available = env->lines[start_point+i]->available;
global_config.yanks[i]->actual = env->lines[start_point+i]->actual;
global_config.yanks[i]->istate = 0;
memcpy(&global_config.yanks[i]->text, &env->lines[start_point+i]->text, sizeof(char_t) * (env->lines[start_point+i]->actual));
for (int j = 0; j < global_config.yanks[i]->actual; ++j) {
global_config.yanks[i]->text[j].flags = 0;
}
}
/* Yank end line */
yank_partial_line(lines_to_yank-1, end_line - 1, 0, end_col);
}
}
/**
* Macro for redrawing selected lines with appropriate highlighting.
*/
@ -4920,6 +4968,27 @@ void char_selection_mode(void) {
case 'l':
cursor_right();
break;
case 'y':
{
int end_line = env->line_no;
int end_col = env->col_no;
if (start_line == end_line) {
if (start_col > end_col) {
int tmp = start_col;
start_col = end_col;
end_col = tmp;
}
} else if (start_line > end_line) {
int tmp = start_line;
start_line = end_line;
end_line = tmp;
tmp = start_col;
start_col = end_col;
end_col = tmp;
}
yank_text(start_line, start_col, end_line, end_col);
}
goto _leave_select_char;
case 'D':
case 'd':
if (env->readonly) goto _readonly;
@ -4932,6 +5001,7 @@ void char_selection_mode(void) {
start_col = end_col;
end_col = tmp;
}
yank_text(start_line, start_col, end_line, end_col);
for (int i = start_col; i <= end_col; ++i) {
line_delete(env->lines[start_line-1], start_col, start_line - 1);
}
@ -4945,6 +5015,8 @@ void char_selection_mode(void) {
start_col = end_col;
end_col = tmp;
}
/* Copy lines */
yank_text(start_line, start_col, end_line, end_col);
/* Delete lines */
for (int i = start_line+1; i < end_line; ++i) {
remove_line(env->lines, start_line);
@ -5436,7 +5508,6 @@ int main(int argc, char * argv[]) {
else if (!strcmp(optarg,"nohideshow")) global_config.can_hideshow = 0;
else if (!strcmp(optarg,"nosyntax")) global_config.hilight_on_open = 0;
else if (!strcmp(optarg,"nohistory")) global_config.history_enabled = 0;
else if (!strcmp(optarg,"history")) global_config.history_enabled = 1;
else if (!strcmp(optarg,"notitle")) global_config.can_title = 0;
else {
fprintf(stderr, "%s: unrecognized -O option: %s\n", argv[0], optarg);
@ -5565,18 +5636,50 @@ int main(int argc, char * argv[]) {
case 'p':
if (env->readonly) goto _readonly;
if (global_config.yanks) {
for (unsigned int i = 0; i < global_config.yank_count; ++i) {
env->lines = add_line(env->lines, env->line_no - (c == 'P' ? 1 : 0));
}
for (unsigned int i = 0; i < global_config.yank_count; ++i) {
replace_line(env->lines, env->line_no - (c == 'P' ? 1 : 0) + i, global_config.yanks[i]);
if (!global_config.yank_is_full_lines) {
/* Handle P for paste before, p for past after */
int target_column = (c == 'P' ? (env->col_no) : (env->col_no+1));
if (target_column > env->lines[env->line_no-1]->actual + 1) {
target_column = env->lines[env->line_no-1]->actual + 1;
}
if (global_config.yank_count > 1) {
/* Spit the current line at the current position */
env->lines = split_line(env->lines, env->line_no - 1, target_column - 1); /* Split after */
}
/* Insert first line at current position */
for (unsigned int i = 0; i < global_config.yanks[0]->actual; ++i) {
env->lines[env->line_no - 1] = line_insert(env->lines[env->line_no - 1], global_config.yanks[0]->text[i], target_column + i - 1, env->line_no - 1);
}
if (global_config.yank_count > 1) {
/* Insert full lines */
for (unsigned int i = 1; i < global_config.yank_count - 1; ++i) {
env->lines = add_line(env->lines, env->line_no);
}
for (unsigned int i = 1; i < global_config.yank_count - 1; ++i) {
replace_line(env->lines, env->line_no + i - 1, global_config.yanks[i]);
}
/* Insert characters from last line into (what was) the next line */
for (unsigned int i = 0; i < global_config.yanks[global_config.yank_count-1]->actual; ++i) {
env->lines[env->line_no + global_config.yank_count - 2] = line_insert(env->lines[env->line_no + global_config.yank_count - 2], global_config.yanks[global_config.yank_count-1]->text[i], i, env->line_no + global_config.yank_count - 2);
}
}
} else {
/* Insert full lines */
for (unsigned int i = 0; i < global_config.yank_count; ++i) {
env->lines = add_line(env->lines, env->line_no - (c == 'P' ? 1 : 0));
}
for (unsigned int i = 0; i < global_config.yank_count; ++i) {
replace_line(env->lines, env->line_no - (c == 'P' ? 1 : 0) + i, global_config.yanks[i]);
}
}
/* Recalculate whole document syntax */
for (int i = 0; i < env->line_count; ++i) {
env->lines[i]->istate = 0;
}
for (int i = 0; i < env->line_count; ++i) {
recalculate_syntax(env->lines[i],i);
}
set_history_break();
set_modified();
redraw_all();
}