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ex_getln: Make get_histtype return HIST_DEFAULT if needed

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This commit is contained in:
ZyX
2014-10-26 14:55:22 +03:00
parent 5674546580
commit fdb68e35e4
3 changed files with 75 additions and 48 deletions
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79
src/nvim/ex_getln.c
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@@ -4272,20 +4272,33 @@ void globpath(char_u *path, char_u *file, garray_T *ga, int expand_options)
* Command line history stuff *
*********************************/
/*
* Translate a history character to the associated type number.
*/
static int hist_char2type(int c)
/// Translate a history character to the associated type number
static HistoryType hist_char2type(const int c)
FUNC_ATTR_CONST FUNC_ATTR_WARN_UNUSED_RESULT
{
if (c == ':')
return HIST_CMD;
if (c == '=')
return HIST_EXPR;
if (c == '@')
return HIST_INPUT;
if (c == '>')
return HIST_DEBUG;
return HIST_SEARCH; /* must be '?' or '/' */
switch (c) {
case ':': {
return HIST_CMD;
}
case '=': {
return HIST_EXPR;
}
case '@': {
return HIST_INPUT;
}
case '>': {
return HIST_DEBUG;
}
case '/':
case '?': {
return HIST_SEARCH;
}
default: {
assert(false);
}
}
// Silence -Wreturn-type
return 0;
}
/*
@@ -4454,28 +4467,38 @@ in_history (
return false;
}
/*
* Convert history name (from table above) to its HIST_ equivalent.
* When "name" is empty, return "cmd" history.
* Returns -1 for unknown history name.
*/
int get_histtype(char_u *name, size_t len)
/// Convert history name to its HIST_ equivalent
///
/// Names are taken from the table above. When `name` is empty returns currently
/// active history or HIST_DEFAULT, depending on `return_default` argument.
///
/// @param[in] name Converted name.
/// @param[in] len Name length.
/// @param[in] return_default Determines whether HIST_DEFAULT should be
/// returned or value based on `ccline.cmdfirstc`.
///
/// @return Any value from HistoryType enum, including HIST_INVALID. May not
/// return HIST_DEFAULT unless return_default is true.
HistoryType get_histtype(const char_u *const name, const size_t len,
const bool return_default)
FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
{
int i;
// No argument: use current history.
if (len == 0) {
return return_default ? HIST_DEFAULT :hist_char2type(ccline.cmdfirstc);
}
/* No argument: use current history. */
if (len == 0)
return hist_char2type(ccline.cmdfirstc);
for (i = 0; history_names[i] != NULL; ++i)
if (STRNICMP(name, history_names[i], len) == 0)
for (HistoryType i = 0; history_names[i] != NULL; i++) {
if (STRNICMP(name, history_names[i], len) == 0) {
return i;
}
}
if (vim_strchr((char_u *)":=@>?/", name[0]) != NULL && len == 1) {
return hist_char2type(name[0]);
}
return -1;
return HIST_INVALID;
}
static int last_maptick = -1; /* last seen maptick */
@@ -4847,7 +4870,7 @@ void ex_history(exarg_T *eap)
while (ASCII_ISALPHA(*end)
|| vim_strchr((char_u *)":=@>/?", *end) != NULL)
end++;
histype1 = get_histtype(arg, end - arg);
histype1 = get_histtype(arg, end - arg, false);
if (histype1 == HIST_INVALID) {
if (STRNICMP(arg, "all", end - arg) == 0) {
histype1 = 0;