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patch 8.2.4820: not simple programmatic way to find a specific mapping

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Problem:    Not simple programmatic way to find a specific mapping.
Solution:   Add getmappings(). (Ernie Rael, closes #10273)
This commit is contained in:
Ernie Rael
2022-04-24 18:40:28 +01:00
committed by Bram Moolenaar
parent a4e3332650
commit 659c240cf7
7 changed files with 182 additions and 29 deletions
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119
src/map.c
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@@ -2274,6 +2274,42 @@ check_map(
return NULL;
}
/*
* Fill in the empty dictionary with items as defined by maparg builtin.
*/
static void
mapblock2dict(
mapblock_T *mp,
dict_T *dict,
char_u *lhsrawalt, // may be NULL
int buffer_local) // false if not buffer local mapping
{
char_u *lhs = str2special_save(mp->m_keys, TRUE);
char_u *mapmode = map_mode_to_chars(mp->m_mode);
dict_add_string(dict, "lhs", lhs);
vim_free(lhs);
dict_add_string(dict, "lhsraw", mp->m_keys);
if (lhsrawalt)
// Also add the value for the simplified entry.
dict_add_string(dict, "lhsrawalt", lhsrawalt);
dict_add_string(dict, "rhs", mp->m_orig_str);
dict_add_number(dict, "noremap", mp->m_noremap ? 1L : 0L);
dict_add_number(dict, "script", mp->m_noremap == REMAP_SCRIPT
? 1L : 0L);
dict_add_number(dict, "expr", mp->m_expr ? 1L : 0L);
dict_add_number(dict, "silent", mp->m_silent ? 1L : 0L);
dict_add_number(dict, "sid", (long)mp->m_script_ctx.sc_sid);
dict_add_number(dict, "scriptversion",
(long)mp->m_script_ctx.sc_version);
dict_add_number(dict, "lnum", (long)mp->m_script_ctx.sc_lnum);
dict_add_number(dict, "buffer", (long)buffer_local);
dict_add_number(dict, "nowait", mp->m_nowait ? 1L : 0L);
dict_add_string(dict, "mode", mapmode);
vim_free(mapmode);
}
static void
get_maparg(typval_T *argvars, typval_T *rettv, int exact)
{
@@ -2346,39 +2382,66 @@ get_maparg(typval_T *argvars, typval_T *rettv, int exact)
}
else if (rettv_dict_alloc(rettv) != FAIL && rhs != NULL)
{
// Return a dictionary.
char_u *lhs = str2special_save(mp->m_keys, TRUE);
char_u *mapmode = map_mode_to_chars(mp->m_mode);
dict_T *dict = rettv->vval.v_dict;
dict_add_string(dict, "lhs", lhs);
vim_free(lhs);
dict_add_string(dict, "lhsraw", mp->m_keys);
if (did_simplify)
// Also add the value for the simplified entry.
dict_add_string(dict, "lhsrawalt", mp_simplified->m_keys);
dict_add_string(dict, "rhs", mp->m_orig_str);
dict_add_number(dict, "noremap", mp->m_noremap ? 1L : 0L);
dict_add_number(dict, "script", mp->m_noremap == REMAP_SCRIPT
? 1L : 0L);
dict_add_number(dict, "expr", mp->m_expr ? 1L : 0L);
dict_add_number(dict, "silent", mp->m_silent ? 1L : 0L);
dict_add_number(dict, "sid", (long)mp->m_script_ctx.sc_sid);
dict_add_number(dict, "scriptversion",
(long)mp->m_script_ctx.sc_version);
dict_add_number(dict, "lnum", (long)mp->m_script_ctx.sc_lnum);
dict_add_number(dict, "buffer", (long)buffer_local);
dict_add_number(dict, "nowait", mp->m_nowait ? 1L : 0L);
dict_add_string(dict, "mode", mapmode);
vim_free(mapmode);
}
mapblock2dict(mp, rettv->vval.v_dict,
did_simplify ? mp_simplified->m_keys : NULL, buffer_local);
vim_free(keys_buf);
vim_free(alt_keys_buf);
}
/*
* "getmappings()" function
*/
void
f_getmappings(typval_T *argvars UNUSED, typval_T *rettv)
{
dict_T *d;
mapblock_T *mp;
int buffer_local;
char_u *keys_buf;
int did_simplify;
int hash;
char_u *lhs;
const int flags = REPTERM_FROM_PART | REPTERM_DO_LT;
if (rettv_list_alloc(rettv) != OK)
return;
validate_maphash();
// Do it twice: once for global maps and once for local maps.
for (buffer_local = 0; buffer_local <= 1; ++buffer_local)
{
for (hash = 0; hash < 256; ++hash)
{
if (buffer_local)
mp = curbuf->b_maphash[hash];
else
mp = maphash[hash];
for (; mp; mp = mp->m_next)
{
if (mp->m_simplified)
continue;
if ((d = dict_alloc()) == NULL)
return;
if (list_append_dict(rettv->vval.v_list, d) == FAIL)
return;
keys_buf = NULL;
did_simplify = FALSE;
lhs = str2special_save(mp->m_keys, TRUE);
(void)replace_termcodes(lhs, &keys_buf, flags, &did_simplify);
vim_free(lhs);
mapblock2dict(mp, d,
did_simplify ? keys_buf : NULL, buffer_local);
vim_free(keys_buf);
}
}
}
}
/*
* "maparg()" function
*/