summaryrefslogtreecommitdiff
path: root/examples/dte/status.c
diff options
context:
space:
mode:
Diffstat (limited to 'examples/dte/status.c')
-rw-r--r--examples/dte/status.c337
1 files changed, 0 insertions, 337 deletions
diff --git a/examples/dte/status.c b/examples/dte/status.c
deleted file mode 100644
index 228b1c6..0000000
--- a/examples/dte/status.c
+++ /dev/null
@@ -1,337 +0,0 @@
-#include <stdbool.h>
-#include <stdint.h>
-#include <string.h>
-#include "status.h"
-#include "search.h"
-#include "selection.h"
-#include "util/debug.h"
-#include "util/macros.h"
-#include "util/numtostr.h"
-#include "util/utf8.h"
-#include "util/xsnprintf.h"
-
-typedef struct {
- char *buf;
- size_t size;
- size_t pos;
- size_t separator;
- const Window *window;
- const GlobalOptions *opts;
- InputMode input_mode;
-} Formatter;
-
-typedef enum {
- STATUS_INVALID = 0,
- STATUS_ESCAPED_PERCENT,
- STATUS_ENCODING,
- STATUS_MISC,
- STATUS_IS_CRLF,
- STATUS_SEPARATOR_LONG,
- STATUS_CURSOR_COL_BYTES,
- STATUS_TOTAL_ROWS,
- STATUS_BOM,
- STATUS_FILENAME,
- STATUS_MODIFIED,
- STATUS_LINE_ENDING,
- STATUS_OVERWRITE,
- STATUS_SCROLL_POSITION,
- STATUS_READONLY,
- STATUS_SEPARATOR,
- STATUS_FILETYPE,
- STATUS_UNICODE,
- STATUS_CURSOR_COL,
- STATUS_CURSOR_ROW,
-} FormatSpecifierType;
-
-static FormatSpecifierType lookup_format_specifier(unsigned char ch)
-{
- switch (ch) {
- case '%': return STATUS_ESCAPED_PERCENT;
- case 'E': return STATUS_ENCODING;
- case 'M': return STATUS_MISC;
- case 'N': return STATUS_IS_CRLF;
- case 'S': return STATUS_SEPARATOR_LONG;
- case 'X': return STATUS_CURSOR_COL_BYTES;
- case 'Y': return STATUS_TOTAL_ROWS;
- case 'b': return STATUS_BOM;
- case 'f': return STATUS_FILENAME;
- case 'm': return STATUS_MODIFIED;
- case 'n': return STATUS_LINE_ENDING;
- case 'o': return STATUS_OVERWRITE;
- case 'p': return STATUS_SCROLL_POSITION;
- case 'r': return STATUS_READONLY;
- case 's': return STATUS_SEPARATOR;
- case 't': return STATUS_FILETYPE;
- case 'u': return STATUS_UNICODE;
- case 'x': return STATUS_CURSOR_COL;
- case 'y': return STATUS_CURSOR_ROW;
- }
- return STATUS_INVALID;
-}
-
-#define add_status_literal(f, s) add_status_bytes(f, s, STRLEN(s))
-
-static void add_ch(Formatter *f, char ch)
-{
- f->buf[f->pos++] = ch;
-}
-
-static void add_separator(Formatter *f)
-{
- while (f->separator && f->pos < f->size) {
- add_ch(f, ' ');
- f->separator--;
- }
-}
-
-static void add_status_str(Formatter *f, const char *str)
-{
- BUG_ON(!str);
- if (unlikely(!str[0])) {
- return;
- }
- add_separator(f);
- size_t idx = 0;
- while (f->pos < f->size && str[idx]) {
- u_set_char(f->buf, &f->pos, u_str_get_char(str, &idx));
- }
-}
-
-static void add_status_bytes(Formatter *f, const char *str, size_t len)
-{
- if (unlikely(len == 0)) {
- return;
- }
- add_separator(f);
- if (f->pos >= f->size) {
- return;
- }
- const size_t avail = f->size - f->pos;
- len = MIN(len, avail);
- memcpy(f->buf + f->pos, str, len);
- f->pos += len;
-}
-
-PRINTF(2)
-static void add_status_format(Formatter *f, const char *format, ...)
-{
- char buf[1024];
- va_list ap;
- va_start(ap, format);
- size_t len = xvsnprintf(buf, sizeof(buf), format, ap);
- va_end(ap);
- add_status_bytes(f, buf, len);
-}
-
-static void add_status_umax(Formatter *f, uintmax_t x)
-{
- char buf[DECIMAL_STR_MAX(x)];
- size_t len = buf_umax_to_str(x, buf);
- add_status_bytes(f, buf, len);
-}
-
-static void add_status_pos(Formatter *f)
-{
- size_t lines = f->window->view->buffer->nl;
- int h = f->window->edit_h;
- long pos = f->window->view->vy;
- if (lines <= h) {
- if (pos) {
- add_status_literal(f, "Bot");
- } else {
- add_status_literal(f, "All");
- }
- } else if (pos == 0) {
- add_status_literal(f, "Top");
- } else if (pos + h - 1 >= lines) {
- add_status_literal(f, "Bot");
- } else {
- unsigned int d = lines - (h - 1);
- unsigned int percent = (pos * 100 + d / 2) / d;
- BUG_ON(percent > 100);
- char buf[4];
- size_t len = buf_uint_to_str(percent, buf);
- buf[len++] = '%';
- add_status_bytes(f, buf, len);
- }
-}
-
-static void add_misc_status(Formatter *f)
-{
- static const struct {
- const char str[24];
- size_t len;
- } css_strs[] = {
- [CSS_FALSE] = {STRN("[case-sensitive = false]")},
- [CSS_TRUE] = {STRN("[case-sensitive = true]")},
- [CSS_AUTO] = {STRN("[case-sensitive = auto]")},
- };
-
- if (f->input_mode == INPUT_SEARCH) {
- SearchCaseSensitivity css = f->opts->case_sensitive_search;
- BUG_ON(css >= ARRAYLEN(css_strs));
- add_status_bytes(f, css_strs[css].str, css_strs[css].len);
- return;
- }
-
- const View *view = f->window->view;
- if (view->selection == SELECT_NONE) {
- return;
- }
-
- SelectionInfo si;
- init_selection(view, &si);
- bool is_lines = (view->selection == SELECT_LINES);
- size_t n = is_lines ? get_nr_selected_lines(&si) : get_nr_selected_chars(&si);
- const char *unit = is_lines ? "line" : "char";
- const char *plural = unlikely(n == 1) ? "" : "s";
- add_status_format(f, "[%zu %s%s]", n, unit, plural);
-}
-
-void sf_format (
- const Window *window,
- const GlobalOptions *opts,
- InputMode mode,
- char *buf, // NOLINT(readability-non-const-parameter)
- size_t size,
- const char *format
-) {
- BUG_ON(size < 16);
- Formatter f = {
- .window = window,
- .opts = opts,
- .input_mode = mode,
- .buf = buf,
- .size = size - 5, // Max length of char and terminating NUL
- };
-
- const View *view = window->view;
- const Buffer *buffer = view->buffer;
- CodePoint u;
-
- while (f.pos < f.size && *format) {
- unsigned char ch = *format++;
- if (ch != '%') {
- add_separator(&f);
- add_ch(&f, ch);
- continue;
- }
-
- switch (lookup_format_specifier(*format++)) {
- case STATUS_BOM:
- if (buffer->bom) {
- add_status_literal(&f, "BOM");
- }
- break;
- case STATUS_FILENAME:
- add_status_str(&f, buffer_filename(buffer));
- break;
- case STATUS_MODIFIED:
- if (buffer_modified(buffer)) {
- add_separator(&f);
- add_ch(&f, '*');
- }
- break;
- case STATUS_READONLY:
- if (buffer->readonly) {
- add_status_literal(&f, "RO");
- } else if (buffer->temporary) {
- add_status_literal(&f, "TMP");
- }
- break;
- case STATUS_CURSOR_ROW:
- add_status_umax(&f, view->cy + 1);
- break;
- case STATUS_TOTAL_ROWS:
- add_status_umax(&f, buffer->nl);
- break;
- case STATUS_CURSOR_COL:
- add_status_umax(&f, view->cx_display + 1);
- break;
- case STATUS_CURSOR_COL_BYTES:
- add_status_umax(&f, view->cx_char + 1);
- if (view->cx_display != view->cx_char) {
- add_ch(&f, '-');
- add_status_umax(&f, view->cx_display + 1);
- }
- break;
- case STATUS_SCROLL_POSITION:
- add_status_pos(&f);
- break;
- case STATUS_ENCODING:
- add_status_str(&f, buffer->encoding.name);
- break;
- case STATUS_MISC:
- add_misc_status(&f);
- break;
- case STATUS_IS_CRLF:
- if (buffer->crlf_newlines) {
- add_status_literal(&f, "CRLF");
- }
- break;
- case STATUS_LINE_ENDING:
- if (buffer->crlf_newlines) {
- add_status_literal(&f, "CRLF");
- } else {
- add_status_literal(&f, "LF");
- }
- break;
- case STATUS_OVERWRITE:
- if (buffer->options.overwrite) {
- add_status_literal(&f, "OVR");
- } else {
- add_status_literal(&f, "INS");
- }
- break;
- case STATUS_SEPARATOR_LONG:
- f.separator = 3;
- break;
- case STATUS_SEPARATOR:
- f.separator = 1;
- break;
- case STATUS_FILETYPE:
- add_status_str(&f, buffer->options.filetype);
- break;
- case STATUS_UNICODE:
- if (unlikely(!block_iter_get_char(&view->cursor, &u))) {
- break;
- }
- if (u_is_unicode(u)) {
- char str[STRLEN("U+10FFFF") + 1];
- str[0] = 'U';
- str[1] = '+';
- size_t ndigits = buf_umax_to_hex_str(u, str + 2, 4);
- add_status_bytes(&f, str, 2 + ndigits);
- } else {
- add_status_literal(&f, "Invalid");
- }
- break;
- case STATUS_ESCAPED_PERCENT:
- add_separator(&f);
- add_ch(&f, '%');
- break;
- case STATUS_INVALID:
- default:
- BUG("should be unreachable, due to validate_statusline_format()");
- }
- }
-
- f.buf[f.pos] = '\0';
-}
-
-// Returns the offset of the first invalid format specifier, or 0 if
-// the whole format string is valid. It's safe to use 0 to indicate
-// "no errors", since it's not possible for there to be an error at
-// the very start of the string.
-size_t statusline_format_find_error(const char *str)
-{
- for (size_t i = 0; str[i]; ) {
- if (str[i++] != '%') {
- continue;
- }
- if (lookup_format_specifier(str[i++]) == STATUS_INVALID) {
- return i - 1;
- }
- }
- return 0;
-}
generated by cgit v1.2.3 (git 2.46.0) at 2026-04-29 21:50:26 +0000