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-rw-r--r--src/nvim/keymap.c66
1 files changed, 38 insertions, 28 deletions
diff --git a/src/nvim/keymap.c b/src/nvim/keymap.c
index 99e94fc60f..3d7ebb6382 100644
--- a/src/nvim/keymap.c
+++ b/src/nvim/keymap.c
@@ -1,3 +1,6 @@
+// This is an open source non-commercial project. Dear PVS-Studio, please check
+// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+
#include <assert.h>
#include <inttypes.h>
#include <limits.h>
@@ -490,17 +493,19 @@ char_u *get_special_key_name(int c, int modifiers)
/// @param[out] dst Location where translation result will be kept. Must have
/// at least six bytes.
/// @param[in] keycode Prefer key code, e.g. K_DEL in place of DEL.
+/// @param[in] in_string Inside a double quoted string
///
/// @return Number of characters added to dst, zero for no match.
unsigned int trans_special(const char_u **srcp, const size_t src_len,
- char_u *const dst, const bool keycode)
+ char_u *const dst, const bool keycode,
+ const bool in_string)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{
int modifiers = 0;
int key;
unsigned int dlen = 0;
- key = find_special_key(srcp, src_len, &modifiers, keycode, false);
+ key = find_special_key(srcp, src_len, &modifiers, keycode, false, in_string);
if (key == 0) {
return 0;
}
@@ -536,10 +541,12 @@ unsigned int trans_special(const char_u **srcp, const size_t src_len,
/// @param[out] modp Location where information about modifiers is saved.
/// @param[in] keycode Prefer key code, e.g. K_DEL in place of DEL.
/// @param[in] keep_x_key Don’t translate xHome to Home key.
+/// @param[in] in_string In string, double quote is escaped
///
/// @return Key and modifiers or 0 if there is no match.
int find_special_key(const char_u **srcp, const size_t src_len, int *const modp,
- const bool keycode, const bool keep_x_key)
+ const bool keycode, const bool keep_x_key,
+ const bool in_string)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
{
const char_u *last_dash;
@@ -550,7 +557,7 @@ int find_special_key(const char_u **srcp, const size_t src_len, int *const modp,
int modifiers;
int bit;
int key;
- unsigned long n;
+ uvarnumber_T n;
int l;
if (src_len == 0) {
@@ -573,8 +580,14 @@ int find_special_key(const char_u **srcp, const size_t src_len, int *const modp,
} else {
l = 1;
}
- if (end - bp > l && bp[l + 1] == '>') {
- bp += l; // anything accepted, like <C-?>
+ // Anything accepted, like <C-?>.
+ // <C-"> or <M-"> are not special in strings as " is
+ // the string delimiter. With a backslash it works: <M-\">
+ if (end - bp > l && !(in_string && bp[1] == '"') && bp[2] == '>') {
+ bp += l;
+ } else if (end - bp > 2 && in_string && bp[1] == '\\'
+ && bp[2] == '"' && bp[3] == '>') {
+ bp += 2;
}
}
}
@@ -610,18 +623,17 @@ int find_special_key(const char_u **srcp, const size_t src_len, int *const modp,
vim_str2nr(last_dash + 6, NULL, NULL, STR2NR_ALL, NULL, &n, 0);
key = (int)n;
} else {
- /*
- * Modifier with single letter, or special key name.
- */
- if (has_mbyte) {
- l = mb_ptr2len(last_dash + 1);
- } else {
- l = 1;
+ int off = 1;
+
+ // Modifier with single letter, or special key name.
+ if (in_string && last_dash[1] == '\\' && last_dash[2] == '"') {
+ off = 2;
}
+ l = mb_ptr2len(last_dash + 1);
if (modifiers != 0 && last_dash[l + 1] == '>') {
- key = PTR2CHAR(last_dash + 1);
+ key = PTR2CHAR(last_dash + off);
} else {
- key = get_special_key_code(last_dash + 1);
+ key = get_special_key_code(last_dash + off);
if (!keep_x_key) {
key = handle_x_keys(key);
}
@@ -744,9 +756,9 @@ int get_mouse_button(int code, bool *is_click, bool *is_drag)
/// Replace any terminal code strings with the equivalent internal
/// representation
///
-/// This is used for the "from" and "to" part of a mapping, and the "to" part of
+/// Used for the "from" and "to" part of a mapping, and the "to" part of
/// a menu command. Any strings like "<C-UP>" are also replaced, unless
-/// 'cpoptions' contains '<'. K_SPECIAL by itself is replaced by K_SPECIAL
+/// `special` is false. K_SPECIAL by itself is replaced by K_SPECIAL
/// KS_SPECIAL KE_FILLER.
///
/// @param[in] from What characters to replace.
@@ -759,7 +771,7 @@ int get_mouse_button(int code, bool *is_click, bool *is_drag)
/// When cpo_flags contains #FLAG_CPO_BSLASH, a backslash
/// can be used in place of <C-v>. All other <C-v>
/// characters are removed.
-/// @param[in] special If true, always accept <key> notation.
+/// @param[in] special Replace keycodes, e.g. <CR> becomes a "\n" char.
/// @param[in] cpo_flags Relevant flags derived from p_cpo, see
/// #CPO_TO_CPO_FLAGS.
///
@@ -778,11 +790,9 @@ char_u *replace_termcodes(const char_u *from, const size_t from_len,
const char_u *src;
const char_u *const end = from + from_len - 1;
int do_backslash; // backslash is a special character
- int do_special; // recognize <> key codes
char_u *result; // buffer for resulting string
do_backslash = !(cpo_flags&FLAG_CPO_BSLASH);
- do_special = !(cpo_flags&FLAG_CPO_SPECI) || special;
// Allocate space for the translation. Worst case a single character is
// replaced by 6 bytes (shifted special key), plus a NUL at the end.
@@ -805,10 +815,9 @@ char_u *replace_termcodes(const char_u *from, const size_t from_len,
// Copy each byte from *from to result[dlen]
while (src <= end) {
- // If 'cpoptions' does not contain '<', check for special key codes,
- // like "<C-S-LeftMouse>"
- if (do_special && (do_lt || ((end - src) >= 3
- && STRNCMP(src, "<lt>", 4) != 0))) {
+ // Check for special <> keycodes, like "<C-S-LeftMouse>"
+ if (special && (do_lt || ((end - src) >= 3
+ && STRNCMP(src, "<lt>", 4) != 0))) {
// Replace <SID> by K_SNR <script-nr> _.
// (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
if (end - src >= 4 && STRNICMP(src, "<SID>", 5) == 0) {
@@ -826,14 +835,15 @@ char_u *replace_termcodes(const char_u *from, const size_t from_len,
}
}
- slen = trans_special(&src, (size_t) (end - src) + 1, result + dlen, true);
+ slen = trans_special(&src, (size_t)(end - src) + 1, result + dlen, true,
+ true);
if (slen) {
dlen += slen;
continue;
}
}
- if (do_special) {
+ if (special) {
char_u *p, *s, len;
// Replace <Leader> by the value of "mapleader".
@@ -841,10 +851,10 @@ char_u *replace_termcodes(const char_u *from, const size_t from_len,
// If "mapleader" or "maplocalleader" isn't set use a backslash.
if (end - src >= 7 && STRNICMP(src, "<Leader>", 8) == 0) {
len = 8;
- p = get_var_value((char_u *)"g:mapleader");
+ p = get_var_value("g:mapleader");
} else if (end - src >= 12 && STRNICMP(src, "<LocalLeader>", 13) == 0) {
len = 13;
- p = get_var_value((char_u *)"g:maplocalleader");
+ p = get_var_value("g:maplocalleader");
} else {
len = 0;
p = NULL;
generated by cgit (git 2.34.1) at 2025-05-31 01:37:33 +0000