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-rw-r--r--src/nvim/getchar.c194
1 files changed, 129 insertions, 65 deletions
diff --git a/src/nvim/getchar.c b/src/nvim/getchar.c
index d1a28ae3b0..07a65c2611 100644
--- a/src/nvim/getchar.c
+++ b/src/nvim/getchar.c
@@ -48,8 +48,14 @@
#include "nvim/event/loop.h"
#include "nvim/os/input.h"
#include "nvim/os/os.h"
+#include "nvim/os/fileio.h"
#include "nvim/api/private/handle.h"
+
+/// Index in scriptin
+static int curscript = 0;
+FileDescriptor *scriptin[NSCRIPT] = { NULL };
+
/*
* These buffers are used for storing:
* - stuffed characters: A command that is translated into another command.
@@ -1243,10 +1249,13 @@ openscript (
++curscript;
/* use NameBuff for expanded name */
expand_env(name, NameBuff, MAXPATHL);
- if ((scriptin[curscript] = mch_fopen((char *)NameBuff, READBIN)) == NULL) {
- EMSG2(_(e_notopen), name);
- if (curscript)
- --curscript;
+ int error;
+ if ((scriptin[curscript] = file_open_new(&error, (char *)NameBuff,
+ kFileReadOnly, 0)) == NULL) {
+ emsgf(_(e_notopen_2), name, os_strerror(error));
+ if (curscript) {
+ curscript--;
+ }
return;
}
save_typebuf();
@@ -1296,7 +1305,7 @@ static void closescript(void)
free_typebuf();
typebuf = saved_typebuf[curscript];
- fclose(scriptin[curscript]);
+ file_free(scriptin[curscript], false);
scriptin[curscript] = NULL;
if (curscript > 0)
--curscript;
@@ -1319,10 +1328,8 @@ int using_script(void)
return scriptin[curscript] != NULL;
}
-/*
- * This function is called just before doing a blocking wait. Thus after
- * waiting 'updatetime' for a character to arrive.
- */
+/// This function is called just before doing a blocking wait. Thus after
+/// waiting 'updatetime' for a character to arrive.
void before_blocking(void)
{
updatescript(0);
@@ -1331,21 +1338,22 @@ void before_blocking(void)
}
}
-/*
- * updatescipt() is called when a character can be written into the script file
- * or when we have waited some time for a character (c == 0)
- *
- * All the changed memfiles are synced if c == 0 or when the number of typed
- * characters reaches 'updatecount' and 'updatecount' is non-zero.
- */
-void updatescript(int c)
+/// updatescript() is called when a character can be written to the script file
+/// or when we have waited some time for a character (c == 0).
+///
+/// All the changed memfiles are synced if c == 0 or when the number of typed
+/// characters reaches 'updatecount' and 'updatecount' is non-zero.
+static void updatescript(int c)
{
static int count = 0;
- if (c && scriptout)
+ if (c && scriptout) {
putc(c, scriptout);
- if (c == 0 || (p_uc > 0 && ++count >= p_uc)) {
- ml_sync_all(c == 0, TRUE);
+ }
+ bool idle = (c == 0);
+ if (idle || (p_uc > 0 && ++count >= p_uc)) {
+ ml_sync_all(idle, true,
+ (!!p_fs || idle)); // Always fsync at idle (CursorHold).
count = 0;
}
}
@@ -1577,7 +1585,7 @@ vungetc ( /* unget one character (can only be done once!) */
old_mouse_col = mouse_col;
}
-/// get a character:
+/// Gets a character:
/// 1. from the stuffbuffer
/// This is used for abbreviated commands like "D" -> "d$".
/// Also used to redo a command for ".".
@@ -1595,7 +1603,7 @@ vungetc ( /* unget one character (can only be done once!) */
/// if "advance" is FALSE (vpeekc()):
/// just look whether there is a character available.
///
-/// When "no_mapping" is zero, checks for mappings in the current mode.
+/// When `no_mapping` (global) is zero, checks for mappings in the current mode.
/// Only returns one byte (of a multi-byte character).
/// K_SPECIAL and CSI may be escaped, need to get two more bytes then.
static int vgetorpeek(int advance)
@@ -2346,9 +2354,8 @@ inchar (
int tb_change_cnt
)
{
- int len = 0; /* init for GCC */
- int retesc = FALSE; /* return ESC with gotint */
- int script_char;
+ int len = 0; // Init for GCC.
+ int retesc = false; // Return ESC with gotint.
if (wait_time == -1L || wait_time > 100L) {
// flush output before waiting
@@ -2366,45 +2373,38 @@ inchar (
}
undo_off = FALSE; /* restart undo now */
- /*
- * Get a character from a script file if there is one.
- * If interrupted: Stop reading script files, close them all.
- */
- script_char = -1;
- while (scriptin[curscript] != NULL && script_char < 0
- && !ignore_script
- ) {
-
-
- if (got_int || (script_char = getc(scriptin[curscript])) < 0) {
- /* Reached EOF.
- * Careful: closescript() frees typebuf.tb_buf[] and buf[] may
- * point inside typebuf.tb_buf[]. Don't use buf[] after this! */
+ // Get a character from a script file if there is one.
+ // If interrupted: Stop reading script files, close them all.
+ ptrdiff_t read_size = -1;
+ while (scriptin[curscript] != NULL && read_size <= 0 && !ignore_script) {
+ char script_char;
+ if (got_int
+ || (read_size = file_read(scriptin[curscript], &script_char, 1)) != 1) {
+ // Reached EOF or some error occurred.
+ // Careful: closescript() frees typebuf.tb_buf[] and buf[] may
+ // point inside typebuf.tb_buf[]. Don't use buf[] after this!
closescript();
- /*
- * When reading script file is interrupted, return an ESC to get
- * back to normal mode.
- * Otherwise return -1, because typebuf.tb_buf[] has changed.
- */
- if (got_int)
- retesc = TRUE;
- else
+ // When reading script file is interrupted, return an ESC to get
+ // back to normal mode.
+ // Otherwise return -1, because typebuf.tb_buf[] has changed.
+ if (got_int) {
+ retesc = true;
+ } else {
return -1;
+ }
} else {
buf[0] = (char_u)script_char;
len = 1;
}
}
- if (script_char < 0) { /* did not get a character from script */
- /*
- * If we got an interrupt, skip all previously typed characters and
- * return TRUE if quit reading script file.
- * Stop reading typeahead when a single CTRL-C was read,
- * fill_input_buf() returns this when not able to read from stdin.
- * Don't use buf[] here, closescript() may have freed typebuf.tb_buf[]
- * and buf may be pointing inside typebuf.tb_buf[].
- */
+ if (read_size <= 0) { // Did not get a character from script.
+ // If we got an interrupt, skip all previously typed characters and
+ // return TRUE if quit reading script file.
+ // Stop reading typeahead when a single CTRL-C was read,
+ // fill_input_buf() returns this when not able to read from stdin.
+ // Don't use buf[] here, closescript() may have freed typebuf.tb_buf[]
+ // and buf may be pointing inside typebuf.tb_buf[].
if (got_int) {
#define DUM_LEN MAXMAPLEN * 3 + 3
char_u dum[DUM_LEN + 1];
@@ -2417,21 +2417,18 @@ inchar (
return retesc;
}
- /*
- * Always flush the output characters when getting input characters
- * from the user.
- */
+ // Always flush the output characters when getting input characters
+ // from the user.
ui_flush();
- /*
- * Fill up to a third of the buffer, because each character may be
- * tripled below.
- */
+ // Fill up to a third of the buffer, because each character may be
+ // tripled below.
len = os_inchar(buf, maxlen / 3, (int)wait_time, tb_change_cnt);
}
- if (typebuf_changed(tb_change_cnt))
+ if (typebuf_changed(tb_change_cnt)) {
return 0;
+ }
return fix_input_buffer(buf, len);
}
@@ -4257,3 +4254,70 @@ mapblock_T *get_maphash(int index, buf_T *buf)
return (buf == NULL) ? maphash[index] : buf->b_maphash[index];
}
+
+/// Get command argument for <Cmd> key
+char_u * getcmdkeycmd(int promptc, void *cookie, int indent)
+{
+ garray_T line_ga;
+ int c1 = -1, c2;
+ int cmod = 0;
+ bool aborted = false;
+
+ ga_init(&line_ga, 1, 32);
+
+ no_mapping++;
+
+ got_int = false;
+ while (c1 != NUL && !aborted) {
+ ga_grow(&line_ga, 32);
+
+ if (vgetorpeek(false) == NUL) {
+ // incomplete <Cmd> is an error, because there is not much the user
+ // could do in this state.
+ EMSG(e_cmdmap_err);
+ aborted = true;
+ break;
+ }
+
+ // Get one character at a time.
+ c1 = vgetorpeek(true);
+ // Get two extra bytes for special keys
+ if (c1 == K_SPECIAL) {
+ c1 = vgetorpeek(true); // no mapping for these chars
+ c2 = vgetorpeek(true);
+ if (c1 == KS_MODIFIER) {
+ cmod = c2;
+ continue;
+ }
+ c1 = TO_SPECIAL(c1, c2);
+ }
+
+
+ if (got_int) {
+ aborted = true;
+ } else if (c1 == '\r' || c1 == '\n') {
+ c1 = NUL; // end the line
+ } else if (c1 == ESC) {
+ aborted = true;
+ } else if (c1 == K_COMMAND) {
+ // special case to give nicer error message
+ EMSG(e_cmdmap_repeated);
+ aborted = true;
+ } else if (IS_SPECIAL(c1)) {
+ EMSG2(e_cmdmap_key, get_special_key_name(c1, cmod));
+ aborted = true;
+ } else {
+ ga_append(&line_ga, (char)c1);
+ }
+
+ cmod = 0;
+ }
+
+ no_mapping--;
+
+ if (aborted) {
+ ga_clear(&line_ga);
+ }
+
+ return (char_u *)line_ga.ga_data;
+}
generated by cgit (git 2.34.1) at 2025-11-02 07:57:49 +0000