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Merge pull request #4593 from ZyX-I/length-functions

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Make some function accept strings with length in place of just strings
This commit is contained in:
Justin M. Keyes
2016-04-26 23:12:42 -04:00
parent e861af85f8 191fb638f4
commit ea483231c5
12 changed files with 326 additions and 230 deletions
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10
src/nvim/api/vim.c
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@@ -116,8 +116,14 @@ String vim_replace_termcodes(String str, Boolean from_part, Boolean do_lt,
} }
char *ptr = NULL; char *ptr = NULL;
replace_termcodes((char_u *)str.data, (char_u **)&ptr, // Set 'cpoptions' the way we want it.
from_part, do_lt, special); // FLAG_CPO_BSLASH set - backslashes are *not* treated specially
// FLAG_CPO_KEYCODE set - keycodes are *not* reverse-engineered
// FLAG_CPO_SPECI unset - <Key> sequences *are* interpreted
// The third from end parameter of replace_termcodes() is true so that the
// <lt> sequence is recognised - needed for a real backslash.
replace_termcodes((char_u *)str.data, str.size, (char_u **)&ptr,
from_part, do_lt, special, CPO_TO_CPO_FLAGS);
return cstr_as_string(ptr); return cstr_as_string(ptr);
} }

7
src/nvim/charset.c
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@@ -1794,10 +1794,11 @@ bool vim_isblankline(char_u *lbuf)
/// @param nptr Returns the signed result. /// @param nptr Returns the signed result.
/// @param unptr Returns the unsigned result. /// @param unptr Returns the unsigned result.
/// @param maxlen Max length of string to check. /// @param maxlen Max length of string to check.
void vim_str2nr(char_u *start, int *prep, int *len, int what, void vim_str2nr(const char_u *const start, int *const prep, int *const len,
long *nptr, unsigned long *unptr, int maxlen) const int what, long *const nptr, unsigned long *const unptr,
const int maxlen)
{ {
char_u *ptr = start; const char_u *ptr = start;
int pre = 0; // default is decimal int pre = 0; // default is decimal
bool negative = false; bool negative = false;
unsigned long un = 0; unsigned long un = 0;

77
src/nvim/eval.c
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@@ -4740,13 +4740,14 @@ static int get_string_tv(char_u **arg, typval_T *rettv, int evaluate)
++name; ++name;
break; break;
/* Special key, e.g.: "\<C-W>" */ // Special key, e.g.: "\<C-W>"
case '<': extra = trans_special(&p, name, TRUE); case '<':
extra = trans_special((const char_u **) &p, STRLEN(p), name, true);
if (extra != 0) { if (extra != 0) {
name += extra; name += extra;
break; break;
} }
/* FALLTHROUGH */ // FALLTHROUGH
default: MB_COPY_CHAR(p, name); default: MB_COPY_CHAR(p, name);
break; break;
@@ -10866,21 +10867,22 @@ static void f_hasmapto(typval_T *argvars, typval_T *rettv)
*/ */
static void f_histadd(typval_T *argvars, typval_T *rettv) static void f_histadd(typval_T *argvars, typval_T *rettv)
{ {
int histype; HistoryType histype;
char_u *str; char_u *str;
char_u buf[NUMBUFLEN]; char_u buf[NUMBUFLEN];
rettv->vval.v_number = FALSE; rettv->vval.v_number = false;
if (check_restricted() || check_secure()) if (check_restricted() || check_secure()) {
return; return;
str = get_tv_string_chk(&argvars[0]); /* NULL on type error */ }
histype = str != NULL ? get_histtype(str) : -1; str = get_tv_string_chk(&argvars[0]); // NULL on type error
if (histype >= 0) { histype = str != NULL ? get_histtype(str, STRLEN(str), false) : HIST_INVALID;
if (histype != HIST_INVALID) {
str = get_tv_string_buf(&argvars[1], buf); str = get_tv_string_buf(&argvars[1], buf);
if (*str != NUL) { if (*str != NUL) {
init_history(); init_history();
add_to_history(histype, str, FALSE, NUL); add_to_history(histype, str, false, NUL);
rettv->vval.v_number = TRUE; rettv->vval.v_number = true;
return; return;
} }
} }
@@ -10895,20 +10897,21 @@ static void f_histdel(typval_T *argvars, typval_T *rettv)
char_u buf[NUMBUFLEN]; char_u buf[NUMBUFLEN];
char_u *str; char_u *str;
str = get_tv_string_chk(&argvars[0]); /* NULL on type error */ str = get_tv_string_chk(&argvars[0]); // NULL on type error
if (str == NULL) if (str == NULL) {
n = 0; n = 0;
else if (argvars[1].v_type == VAR_UNKNOWN) } else if (argvars[1].v_type == VAR_UNKNOWN) {
/* only one argument: clear entire history */ // only one argument: clear entire history
n = clr_history(get_histtype(str)); n = clr_history(get_histtype(str, STRLEN(str), false));
else if (argvars[1].v_type == VAR_NUMBER) } else if (argvars[1].v_type == VAR_NUMBER) {
/* index given: remove that entry */ // index given: remove that entry
n = del_history_idx(get_histtype(str), n = del_history_idx(get_histtype(str, STRLEN(str), false),
(int) get_tv_number(&argvars[1])); (int) get_tv_number(&argvars[1]));
else } else {
/* string given: remove all matching entries */ // string given: remove all matching entries
n = del_history_entry(get_histtype(str), n = del_history_entry(get_histtype(str, STRLEN(str), false),
get_tv_string_buf(&argvars[1], buf)); get_tv_string_buf(&argvars[1], buf));
}
rettv->vval.v_number = n; rettv->vval.v_number = n;
} }
@@ -10917,20 +10920,21 @@ static void f_histdel(typval_T *argvars, typval_T *rettv)
*/ */
static void f_histget(typval_T *argvars, typval_T *rettv) static void f_histget(typval_T *argvars, typval_T *rettv)
{ {
int type; HistoryType type;
int idx; int idx;
char_u *str; char_u *str;
str = get_tv_string_chk(&argvars[0]); /* NULL on type error */ str = get_tv_string_chk(&argvars[0]); // NULL on type error
if (str == NULL) if (str == NULL) {
rettv->vval.v_string = NULL; rettv->vval.v_string = NULL;
else { } else {
type = get_histtype(str); type = get_histtype(str, STRLEN(str), false);
if (argvars[1].v_type == VAR_UNKNOWN) if (argvars[1].v_type == VAR_UNKNOWN) {
idx = get_history_idx(type); idx = get_history_idx(type);
else } else {
idx = (int)get_tv_number_chk(&argvars[1], NULL); idx = (int)get_tv_number_chk(&argvars[1], NULL);
/* -1 on type error */ }
// -1 on type error
rettv->vval.v_string = vim_strsave(get_history_entry(type, idx)); rettv->vval.v_string = vim_strsave(get_history_entry(type, idx));
} }
rettv->v_type = VAR_STRING; rettv->v_type = VAR_STRING;
@@ -10945,11 +10949,13 @@ static void f_histnr(typval_T *argvars, typval_T *rettv)
char_u *history = get_tv_string_chk(&argvars[0]); char_u *history = get_tv_string_chk(&argvars[0]);
i = history == NULL ? HIST_CMD - 1 : get_histtype(history); i = history == NULL ? HIST_CMD - 1 : get_histtype(history, STRLEN(history),
if (i >= HIST_CMD && i < HIST_COUNT) false);
if (i != HIST_INVALID) {
i = get_history_idx(i); i = get_history_idx(i);
else } else {
i = -1; i = -1;
}
rettv->vval.v_number = i; rettv->vval.v_number = i;
} }
@@ -12086,8 +12092,9 @@ static void get_maparg(typval_T *argvars, typval_T *rettv, int exact)
mode = get_map_mode(&which, 0); mode = get_map_mode(&which, 0);
keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE, FALSE); keys = replace_termcodes(keys, STRLEN(keys), &keys_buf, true, true, false,
rhs = check_map(keys, mode, exact, FALSE, abbr, &mp, &buffer_local); CPO_TO_CPO_FLAGS);
rhs = check_map(keys, mode, exact, false, abbr, &mp, &buffer_local);
xfree(keys_buf); xfree(keys_buf);
if (!get_dict) { if (!get_dict) {

3
src/nvim/ex_docmd.c
View File

@@ -4556,7 +4556,8 @@ static int uc_add_command(char_u *name, size_t name_len, char_u *rep,
char_u *rep_buf = NULL; char_u *rep_buf = NULL;
garray_T *gap; garray_T *gap;
replace_termcodes(rep, &rep_buf, FALSE, FALSE, FALSE); replace_termcodes(rep, STRLEN(rep), &rep_buf, false, false, false,
CPO_TO_CPO_FLAGS);
if (rep_buf == NULL) { if (rep_buf == NULL) {
/* Can't replace termcodes - try using the string as is */ /* Can't replace termcodes - try using the string as is */
rep_buf = vim_strsave(rep); rep_buf = vim_strsave(rep);

86
src/nvim/ex_getln.c
View File

@@ -4272,20 +4272,33 @@ void globpath(char_u *path, char_u *file, garray_T *ga, int expand_options)
* Command line history stuff * * Command line history stuff *
*********************************/ *********************************/
/* /// Translate a history character to the associated type number
* Translate a history character to the associated type number. static HistoryType hist_char2type(const int c)
*/ FUNC_ATTR_CONST FUNC_ATTR_WARN_UNUSED_RESULT
static int hist_char2type(int c)
{ {
if (c == ':') switch (c) {
case ':': {
return HIST_CMD; return HIST_CMD;
if (c == '=') }
case '=': {
return HIST_EXPR; return HIST_EXPR;
if (c == '@') }
case '@': {
return HIST_INPUT; return HIST_INPUT;
if (c == '>') }
case '>': {
return HIST_DEBUG; return HIST_DEBUG;
return HIST_SEARCH; /* must be '?' or '/' */ }
case '/':
case '?': {
return HIST_SEARCH;
}
default: {
assert(false);
}
}
// Silence -Wreturn-type
return 0;
} }
/* /*
@@ -4454,28 +4467,38 @@ in_history (
return false; return false;
} }
/* /// Convert history name to its HIST_ equivalent
* Convert history name (from table above) to its HIST_ equivalent. ///
* When "name" is empty, return "cmd" history. /// Names are taken from the table above. When `name` is empty returns currently
* Returns -1 for unknown history name. /// active history or HIST_DEFAULT, depending on `return_default` argument.
*/ ///
int get_histtype(char_u *name) /// @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.
int len = (int)STRLEN(name); if (len == 0) {
return return_default ? HIST_DEFAULT :hist_char2type(ccline.cmdfirstc);
}
/* No argument: use current history. */ for (HistoryType i = 0; history_names[i] != NULL; i++) {
if (len == 0) if (STRNICMP(name, history_names[i], len) == 0) {
return hist_char2type(ccline.cmdfirstc);
for (i = 0; history_names[i] != NULL; ++i)
if (STRNICMP(name, history_names[i], len) == 0)
return i; return i;
}
}
if (vim_strchr((char_u *)":=@>?/", name[0]) != NULL && name[1] == NUL) if (vim_strchr((char_u *)":=@>?/", name[0]) != NULL && len == 1) {
return hist_char2type(name[0]); return hist_char2type(name[0]);
}
return -1; return HIST_INVALID;
} }
static int last_maptick = -1; /* last seen maptick */ static int last_maptick = -1; /* last seen maptick */
@@ -4847,23 +4870,20 @@ void ex_history(exarg_T *eap)
while (ASCII_ISALPHA(*end) while (ASCII_ISALPHA(*end)
|| vim_strchr((char_u *)":=@>/?", *end) != NULL) || vim_strchr((char_u *)":=@>/?", *end) != NULL)
end++; end++;
i = *end; histype1 = get_histtype(arg, end - arg, false);
*end = NUL; if (histype1 == HIST_INVALID) {
histype1 = get_histtype(arg); if (STRNICMP(arg, "all", end - arg) == 0) {
if (histype1 == -1) {
if (STRNICMP(arg, "all", STRLEN(arg)) == 0) {
histype1 = 0; histype1 = 0;
histype2 = HIST_COUNT-1; histype2 = HIST_COUNT-1;
} else { } else {
*end = i;
EMSG(_(e_trailing)); EMSG(_(e_trailing));
return; return;
} }
} else } else
histype2 = histype1; histype2 = histype1;
*end = i; } else {
} else
end = arg; end = arg;
}
if (!get_list_range(&end, &hisidx1, &hisidx2) || *end != NUL) { if (!get_list_range(&end, &hisidx1, &hisidx2) || *end != NUL) {
EMSG(_(e_trailing)); EMSG(_(e_trailing));
return; return;

4
src/nvim/ex_getln.h
View File

@@ -27,7 +27,9 @@
/// Present history tables /// Present history tables
typedef enum { typedef enum {
HIST_CMD, ///< Colon commands. HIST_DEFAULT = -2, ///< Default (current) history.
HIST_INVALID = -1, ///< Unknown history.
HIST_CMD = 0, ///< Colon commands.
HIST_SEARCH, ///< Search commands. HIST_SEARCH, ///< Search commands.
HIST_EXPR, ///< Expressions (e.g. from entering = register). HIST_EXPR, ///< Expressions (e.g. from entering = register).
HIST_INPUT, ///< input() lines. HIST_INPUT, ///< input() lines.

40
src/nvim/getchar.c
View File

@@ -2688,22 +2688,24 @@ do_map (
goto theend; goto theend;
} }
/* // If mapping has been given as ^V<C_UP> say, then replace the term codes
* If mapping has been given as ^V<C_UP> say, then replace the term codes // with the appropriate two bytes. If it is a shifted special key, unshift
* with the appropriate two bytes. If it is a shifted special key, unshift // it too, giving another two bytes.
* it too, giving another two bytes. // replace_termcodes() may move the result to allocated memory, which
* replace_termcodes() may move the result to allocated memory, which // needs to be freed later (*keys_buf and *arg_buf).
* needs to be freed later (*keys_buf and *arg_buf). // replace_termcodes() also removes CTRL-Vs and sometimes backslashes.
* replace_termcodes() also removes CTRL-Vs and sometimes backslashes. if (haskey) {
*/ keys = replace_termcodes(keys, STRLEN(keys), &keys_buf, true, true, special,
if (haskey) CPO_TO_CPO_FLAGS);
keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE, special); }
orig_rhs = rhs; orig_rhs = rhs;
if (hasarg) { if (hasarg) {
if (STRICMP(rhs, "<nop>") == 0) /* "<Nop>" means nothing */ if (STRICMP(rhs, "<nop>") == 0) { // "<Nop>" means nothing
rhs = (char_u *)""; rhs = (char_u *)"";
else } else {
rhs = replace_termcodes(rhs, &arg_buf, FALSE, TRUE, special); rhs = replace_termcodes(rhs, STRLEN(rhs), &arg_buf, false, true, special,
CPO_TO_CPO_FLAGS);
}
} }
/* /*
@@ -3270,7 +3272,8 @@ int map_to_exists(char_u *str, char_u *modechars, int abbr)
char_u *buf; char_u *buf;
int retval; int retval;
rhs = replace_termcodes(str, &buf, FALSE, TRUE, FALSE); rhs = replace_termcodes(str, STRLEN(str), &buf, false, true, false,
CPO_TO_CPO_FLAGS);
if (vim_strchr(modechars, 'n') != NULL) if (vim_strchr(modechars, 'n') != NULL)
mode |= NORMAL; mode |= NORMAL;
@@ -3465,7 +3468,7 @@ int ExpandMappings(regmatch_T *regmatch, int *num_file, char_u ***file)
mp = maphash[hash]; mp = maphash[hash];
for (; mp; mp = mp->m_next) { for (; mp; mp = mp->m_next) {
if (mp->m_mode & expand_mapmodes) { if (mp->m_mode & expand_mapmodes) {
p = translate_mapping(mp->m_keys, TRUE); p = translate_mapping(mp->m_keys, true, CPO_TO_CPO_FLAGS);
if (p != NULL && vim_regexec(regmatch, p, (colnr_T)0)) { if (p != NULL && vim_regexec(regmatch, p, (colnr_T)0)) {
if (round == 1) if (round == 1)
++count; ++count;
@@ -4190,14 +4193,15 @@ void add_map(char_u *map, int mode)
// Returns NULL when there is a problem. // Returns NULL when there is a problem.
static char_u * translate_mapping ( static char_u * translate_mapping (
char_u *str, char_u *str,
int expmap // TRUE when expanding mappings on command-line int expmap, // True when expanding mappings on command-line
int cpo_flags // Value of various flags present in &cpo
) )
{ {
garray_T ga; garray_T ga;
ga_init(&ga, 1, 40); ga_init(&ga, 1, 40);
int cpo_bslash = (vim_strchr(p_cpo, CPO_BSLASH) != NULL); bool cpo_bslash = !(cpo_flags&FLAG_CPO_BSLASH);
int cpo_special = (vim_strchr(p_cpo, CPO_SPECI) != NULL); bool cpo_special = !(cpo_flags&FLAG_CPO_SPECI);
for (; *str; ++str) { for (; *str; ++str) {
int c = *str; int c = *str;

176
src/nvim/keymap.c
View File

@@ -482,26 +482,28 @@ char_u *get_special_key_name(int c, int modifiers)
return string; return string;
} }
/* /// Try translating a <> name
* Try translating a <> name at (*srcp)[] to dst[]. ///
* Return the number of characters added to dst[], zero for no match. /// @param[in,out] srcp Source from which <> are translated. Is advanced to
* If there is a match, srcp is advanced to after the <> name. /// after the <> name if there is a match.
* dst[] must be big enough to hold the result (up to six characters)! /// @param[in] src_len Length of the srcp.
*/ /// @param[out] dst Location where translation result will be kept. Must have
unsigned int /// at least six bytes.
trans_special ( /// @param[in] keycode Prefer key code, e.g. K_DEL in place of DEL.
char_u **srcp, ///
char_u *dst, /// @return Number of characters added to dst, zero for no match.
int keycode /* prefer key code, e.g. K_DEL instead of DEL */ unsigned int trans_special(const char_u **srcp, const size_t src_len,
) char_u *const dst, const bool keycode)
FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT
{ {
int modifiers = 0; int modifiers = 0;
int key; int key;
unsigned int dlen = 0; unsigned int dlen = 0;
key = find_special_key(srcp, &modifiers, keycode, FALSE); key = find_special_key(srcp, src_len, &modifiers, keycode, false);
if (key == 0) if (key == 0) {
return 0; return 0;
}
/* Put the appropriate modifier in a string */ /* Put the appropriate modifier in a string */
if (modifiers != 0) { if (modifiers != 0) {
@@ -514,69 +516,78 @@ trans_special (
dst[dlen++] = K_SPECIAL; dst[dlen++] = K_SPECIAL;
dst[dlen++] = (char_u)KEY2TERMCAP0(key); dst[dlen++] = (char_u)KEY2TERMCAP0(key);
dst[dlen++] = KEY2TERMCAP1(key); dst[dlen++] = KEY2TERMCAP1(key);
} else if (has_mbyte && !keycode) } else if (has_mbyte && !keycode) {
dlen += (unsigned int)(*mb_char2bytes)(key, dst + dlen); dlen += (unsigned int)(*mb_char2bytes)(key, dst + dlen);
else if (keycode) { } else if (keycode) {
char_u *after = add_char2buf(key, dst + dlen); char_u *after = add_char2buf(key, dst + dlen);
assert(after >= dst && (uintmax_t)(after - dst) <= UINT_MAX); assert(after >= dst && (uintmax_t)(after - dst) <= UINT_MAX);
dlen = (unsigned int)(after - dst); dlen = (unsigned int)(after - dst);
} } else {
else
dst[dlen++] = (char_u)key; dst[dlen++] = (char_u)key;
}
return dlen; return dlen;
} }
// Try translating a <> name at (*srcp)[], return the key and modifiers. /// Try translating a <> name
// srcp is advanced to after the <> name. ///
// returns 0 if there is no match. /// @param[in,out] srcp Translated <> name. Is advanced to after the <> name.
int find_special_key( /// @param[in] src_len srcp length.
char_u **srcp, /// @param[out] modp Location where information about modifiers is saved.
int *modp, /// @param[in] keycode Prefer key code, e.g. K_DEL in place of DEL.
int keycode, // prefer key code, e.g. K_DEL instead of DEL /// @param[in] keep_x_key Don’t translate xHome to Home key.
int keep_x_key // don't translate xHome to Home key ///
) /// @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)
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL
{ {
char_u *last_dash; const char_u *last_dash;
char_u *end_of_name; const char_u *end_of_name;
char_u *src; const char_u *src;
char_u *bp; const char_u *bp;
const char_u *const end = *srcp + src_len - 1;
int modifiers; int modifiers;
int bit; int bit;
int key; int key;
unsigned long n; unsigned long n;
int l; int l;
src = *srcp; if (src_len == 0) {
if (src[0] != '<')
return 0; return 0;
}
src = *srcp;
if (src[0] != '<') {
return 0;
}
// Find end of modifier list // Find end of modifier list
last_dash = src; last_dash = src;
for (bp = src + 1; *bp == '-' || vim_isIDc(*bp); bp++) { for (bp = src + 1; bp <= end && (*bp == '-' || vim_isIDc(*bp)); bp++) {
if (*bp == '-') { if (*bp == '-') {
last_dash = bp; last_dash = bp;
if (bp[1] != NUL) { if (bp + 1 <= end) {
if (has_mbyte) { if (has_mbyte) {
l = mb_ptr2len(bp + 1); l = mb_ptr2len_len(bp + 1, (int) (end - bp) + 1);
} else { } else {
l = 1; l = 1;
} }
if (bp[l + 1] == '>') { if (end - bp > l && bp[l + 1] == '>') {
bp += l; // anything accepted, like <C-?> bp += l; // anything accepted, like <C-?>
} }
} }
} }
if (bp[0] == 't' && bp[1] == '_' && bp[2] && bp[3]) { if (end - bp > 3 && bp[0] == 't' && bp[1] == '_') {
bp += 3; // skip t_xx, xx may be '-' or '>' bp += 3; // skip t_xx, xx may be '-' or '>'
} else if (STRNICMP(bp, "char-", 5) == 0) { } else if (end - bp > 4 && STRNICMP(bp, "char-", 5) == 0) {
vim_str2nr(bp + 5, NULL, &l, STR2NR_ALL, NULL, NULL, 0); vim_str2nr(bp + 5, NULL, &l, STR2NR_ALL, NULL, NULL, 0);
bp += l + 5; bp += l + 5;
break; break;
} }
} }
if (*bp == '>') { /* found matching '>' */ if (bp <= end && *bp == '>') { // found matching '>'
end_of_name = bp + 1; end_of_name = bp + 1;
/* Which modifiers are given? */ /* Which modifiers are given? */
@@ -696,7 +707,7 @@ int find_special_key_in_table(int c)
* termcap name. * termcap name.
* Return the key code, or 0 if not found. * Return the key code, or 0 if not found.
*/ */
int get_special_key_code(char_u *name) int get_special_key_code(const char_u *name)
{ {
char_u *table_name; char_u *table_name;
int i, j; int i, j;
@@ -730,50 +741,58 @@ int get_mouse_button(int code, bool *is_click, bool *is_drag)
return 0; /* Shouldn't get here */ return 0; /* Shouldn't get here */
} }
// Replace any terminal code strings in from[] with the equivalent internal /// Replace any terminal code strings with the equivalent internal
// vim representation. This is used for the "from" and "to" part of a /// representation
// mapping, and the "to" part of a menu command. ///
// Any strings like "<C-UP>" are also replaced, unless 'cpoptions' contains /// This is 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
// K_SPECIAL by itself is replaced by K_SPECIAL KS_SPECIAL KE_FILLER. /// 'cpoptions' contains '<'. K_SPECIAL by itself is replaced by K_SPECIAL
// /// KS_SPECIAL KE_FILLER.
// The replacement is done in result[] and finally copied into allocated ///
// memory. If this all works well *bufp is set to the allocated memory and a /// @param[in] from What characters to replace.
// pointer to it is returned. If something fails *bufp is set to NULL and from /// @param[in] from_len Length of the "from" argument.
// is returned. /// @param[out] bufp Location where results were saved in case of success
// /// (allocated). Will be set to NULL in case of failure.
// CTRL-V characters are removed. When "from_part" is TRUE, a trailing CTRL-V /// @param[in] do_lt If true, also translate <lt>.
// is included, otherwise it is removed (for ":map xx ^V", maps xx to /// @param[in] from_part If true, trailing <C-v> is included, otherwise it is
// nothing). When 'cpoptions' does not contain 'B', a backslash can be used /// removed (to make ":map xx ^V" map xx to nothing).
// instead of a CTRL-V. /// When cpo_flags contains #FLAG_CPO_BSLASH, a backslash
char_u * replace_termcodes ( /// can be used in place of <C-v>. All other <C-v>
char_u *from, /// characters are removed.
char_u **bufp, /// @param[in] special If true, always accept <key> notation.
int from_part, /// @param[in] cpo_flags Relevant flags derived from p_cpo, see
int do_lt, // also translate <lt> /// #CPO_TO_CPO_FLAGS.
int special // always accept <key> notation ///
) /// @return Pointer to an allocated memory in case of success, "from" in case of
/// failure. In case of success returned pointer is also saved to
/// "bufp".
char_u *replace_termcodes(const char_u *from, const size_t from_len,
char_u **bufp, const bool from_part, const bool do_lt,
const bool special, int cpo_flags)
FUNC_ATTR_NONNULL_ALL
{ {
ssize_t i; ssize_t i;
size_t slen; size_t slen;
char_u key; char_u key;
size_t dlen = 0; size_t dlen = 0;
char_u *src; const char_u *src;
const char_u *const end = from + from_len - 1;
int do_backslash; // backslash is a special character int do_backslash; // backslash is a special character
int do_special; // recognize <> key codes int do_special; // recognize <> key codes
char_u *result; // buffer for resulting string char_u *result; // buffer for resulting string
do_backslash = (vim_strchr(p_cpo, CPO_BSLASH) == NULL); do_backslash = !(cpo_flags&FLAG_CPO_BSLASH);
do_special = (vim_strchr(p_cpo, CPO_SPECI) == NULL) || special; do_special = !(cpo_flags&FLAG_CPO_SPECI) || special;
// Allocate space for the translation. Worst case a single character is // Allocate space for the translation. Worst case a single character is
// replaced by 6 bytes (shifted special key), plus a NUL at the end. // replaced by 6 bytes (shifted special key), plus a NUL at the end.
result = xmalloc(STRLEN(from) * 6 + 1); result = xmalloc(from_len * 6 + 1);
src = from; src = from;
// Check for #n at start only: function key n // Check for #n at start only: function key n
if (from_part && src[0] == '#' && ascii_isdigit(src[1])) { // function key if (from_part && from_len > 1 && src[0] == '#'
&& ascii_isdigit(src[1])) { // function key
result[dlen++] = K_SPECIAL; result[dlen++] = K_SPECIAL;
result[dlen++] = 'k'; result[dlen++] = 'k';
if (src[1] == '0') { if (src[1] == '0') {
@@ -785,13 +804,14 @@ char_u * replace_termcodes (
} }
// Copy each byte from *from to result[dlen] // Copy each byte from *from to result[dlen]
while (*src != NUL) { while (src <= end) {
// If 'cpoptions' does not contain '<', check for special key codes, // If 'cpoptions' does not contain '<', check for special key codes,
// like "<C-S-LeftMouse>" // like "<C-S-LeftMouse>"
if (do_special && (do_lt || STRNCMP(src, "<lt>", 4) != 0)) { if (do_special && (do_lt || ((end - src) >= 3
&& STRNCMP(src, "<lt>", 4) != 0))) {
// Replace <SID> by K_SNR <script-nr> _. // Replace <SID> by K_SNR <script-nr> _.
// (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14) // (room: 5 * 6 = 30 bytes; needed: 3 + <nr> + 1 <= 14)
if (STRNICMP(src, "<SID>", 5) == 0) { if (end - src >= 4 && STRNICMP(src, "<SID>", 5) == 0) {
if (current_SID <= 0) { if (current_SID <= 0) {
EMSG(_(e_usingsid)); EMSG(_(e_usingsid));
} else { } else {
@@ -806,7 +826,7 @@ char_u * replace_termcodes (
} }
} }
slen = trans_special(&src, result + dlen, TRUE); slen = trans_special(&src, (size_t) (end - src) + 1, result + dlen, true);
if (slen) { if (slen) {
dlen += slen; dlen += slen;
continue; continue;
@@ -819,10 +839,10 @@ char_u * replace_termcodes (
// Replace <Leader> by the value of "mapleader". // Replace <Leader> by the value of "mapleader".
// Replace <LocalLeader> by the value of "maplocalleader". // Replace <LocalLeader> by the value of "maplocalleader".
// If "mapleader" or "maplocalleader" isn't set use a backslash. // If "mapleader" or "maplocalleader" isn't set use a backslash.
if (STRNICMP(src, "<Leader>", 8) == 0) { if (end - src >= 7 && STRNICMP(src, "<Leader>", 8) == 0) {
len = 8; len = 8;
p = get_var_value((char_u *)"g:mapleader"); p = get_var_value((char_u *)"g:mapleader");
} else if (STRNICMP(src, "<LocalLeader>", 13) == 0) { } else if (end - src >= 12 && STRNICMP(src, "<LocalLeader>", 13) == 0) {
len = 13; len = 13;
p = get_var_value((char_u *)"g:maplocalleader"); p = get_var_value((char_u *)"g:maplocalleader");
} else { } else {
@@ -851,8 +871,8 @@ char_u * replace_termcodes (
// If 'cpoptions' does not contain 'B', also accept a backslash. // If 'cpoptions' does not contain 'B', also accept a backslash.
key = *src; key = *src;
if (key == Ctrl_V || (do_backslash && key == '\\')) { if (key == Ctrl_V || (do_backslash && key == '\\')) {
++src; // skip CTRL-V or backslash src++; // skip CTRL-V or backslash
if (*src == NUL) { if (src > end) {
if (from_part) { if (from_part) {
result[dlen++] = key; result[dlen++] = key;
} }
@@ -861,7 +881,7 @@ char_u * replace_termcodes (
} }
// skip multibyte char correctly // skip multibyte char correctly
for (i = (*mb_ptr2len)(src); i > 0; --i) { for (i = (*mb_ptr2len_len)(src, (int) (end - src) + 1); i > 0; i--) {
// If the character is K_SPECIAL, replace it with K_SPECIAL // If the character is K_SPECIAL, replace it with K_SPECIAL
// KS_SPECIAL KE_FILLER. // KS_SPECIAL KE_FILLER.
// If compiled with the GUI replace CSI with K_CSI. // If compiled with the GUI replace CSI with K_CSI.

10
src/nvim/keymap.h
View File

@@ -1,6 +1,8 @@
#ifndef NVIM_KEYMAP_H #ifndef NVIM_KEYMAP_H
#define NVIM_KEYMAP_H #define NVIM_KEYMAP_H
#include "nvim/strings.h"
/* /*
* Keycode definitions for special keys. * Keycode definitions for special keys.
* *
@@ -461,6 +463,14 @@ enum key_extra {
// This is a total of 6 tokens, and is currently the longest one possible. // This is a total of 6 tokens, and is currently the longest one possible.
#define MAX_KEY_CODE_LEN 6 #define MAX_KEY_CODE_LEN 6
#define FLAG_CPO_BSLASH 0x01
#define FLAG_CPO_SPECI 0x02
#define CPO_TO_CPO_FLAGS (((vim_strchr(p_cpo, CPO_BSLASH) == NULL) \
? 0 \
: FLAG_CPO_BSLASH)| \
(vim_strchr(p_cpo, CPO_SPECI) == NULL \
? 0 \
: FLAG_CPO_SPECI))
#ifdef INCLUDE_GENERATED_DECLARATIONS #ifdef INCLUDE_GENERATED_DECLARATIONS
# include "keymap.h.generated.h" # include "keymap.h.generated.h"

10
src/nvim/menu.c
View File

@@ -215,10 +215,12 @@ ex_menu (
if (STRICMP(map_to, "<nop>") == 0) { /* "<Nop>" means nothing */ if (STRICMP(map_to, "<nop>") == 0) { /* "<Nop>" means nothing */
map_to = (char_u *)""; map_to = (char_u *)"";
map_buf = NULL; map_buf = NULL;
} else if (modes & MENU_TIP_MODE) } else if (modes & MENU_TIP_MODE) {
map_buf = NULL; /* Menu tips are plain text. */ map_buf = NULL; // Menu tips are plain text.
else } else {
map_to = replace_termcodes(map_to, &map_buf, FALSE, TRUE, special); map_to = replace_termcodes(map_to, STRLEN(map_to), &map_buf, false, true,
special, CPO_TO_CPO_FLAGS);
}
menuarg.modes = modes; menuarg.modes = modes;
menuarg.noremap[0] = noremap; menuarg.noremap[0] = noremap;
menuarg.silent[0] = silent; menuarg.silent[0] = silent;

102
src/nvim/option.c
View File

@@ -1177,29 +1177,28 @@ do_set (
errmsg = e_invarg; errmsg = e_invarg;
goto skip; goto skip;
} }
arg[len] = NUL; /* put NUL after name */ if (arg[1] == 't' && arg[2] == '_') { // could be term code
if (arg[1] == 't' && arg[2] == '_') /* could be term code */ opt_idx = findoption_len(arg + 1, (size_t) (len - 1));
opt_idx = findoption(arg + 1); }
arg[len++] = '>'; /* restore '>' */ len++;
if (opt_idx == -1) if (opt_idx == -1) {
key = find_key_option(arg + 1); key = find_key_option(arg + 1);
}
} else { } else {
len = 0; len = 0;
/* // The two characters after "t_" may not be alphanumeric.
* The two characters after "t_" may not be alphanumeric. if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3]) {
*/
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3])
len = 4; len = 4;
else } else {
while (ASCII_ISALNUM(arg[len]) || arg[len] == '_') while (ASCII_ISALNUM(arg[len]) || arg[len] == '_') {
++len; len++;
nextchar = arg[len]; }
arg[len] = NUL; /* put NUL after name */ }
opt_idx = findoption(arg); opt_idx = findoption_len(arg, (size_t) len);
arg[len] = nextchar; /* restore nextchar */ if (opt_idx == -1) {
if (opt_idx == -1)
key = find_key_option(arg); key = find_key_option(arg);
} }
}
/* remember character after option name */ /* remember character after option name */
afterchar = arg[len]; afterchar = arg[len];
@@ -2965,7 +2964,8 @@ did_set_string_option (
/* 'pastetoggle': translate key codes like in a mapping */ /* 'pastetoggle': translate key codes like in a mapping */
else if (varp == &p_pt) { else if (varp == &p_pt) {
if (*p_pt) { if (*p_pt) {
(void)replace_termcodes(p_pt, &p, TRUE, TRUE, FALSE); (void)replace_termcodes(p_pt, STRLEN(p_pt), &p, true, true, false,
CPO_TO_CPO_FLAGS);
if (p != NULL) { if (p != NULL) {
if (new_value_alloced) if (new_value_alloced)
free_string_option(p_pt); free_string_option(p_pt);
@@ -4303,14 +4303,16 @@ static void check_redraw(uint32_t flags)
redraw_all_later(NOT_VALID); redraw_all_later(NOT_VALID);
} }
/* /// Find index for named option
* Find index for option 'arg'. ///
* Return -1 if not found. /// @param[in] arg Option to find index for.
*/ /// @param[in] len Length of the option.
static int findoption(char_u *arg) ///
/// @return Index of the option or -1 if option was not found.
int findoption_len(const char_u *const arg, const size_t len)
{ {
char *s, *p; char *s, *p;
static short quick_tab[27] = {0, 0}; /* quick access table */ static int quick_tab[27] = { 0, 0 }; // quick access table
int is_term_opt; int is_term_opt;
/* /*
@@ -4334,25 +4336,31 @@ static int findoption(char_u *arg)
/* /*
* Check for name starting with an illegal character. * Check for name starting with an illegal character.
*/ */
if (arg[0] < 'a' || arg[0] > 'z') if (len == 0 || arg[0] < 'a' || arg[0] > 'z') {
return -1; return -1;
}
int opt_idx; int opt_idx;
is_term_opt = (arg[0] == 't' && arg[1] == '_'); is_term_opt = (len > 2 && arg[0] == 't' && arg[1] == '_');
if (is_term_opt) if (is_term_opt) {
opt_idx = quick_tab[26]; opt_idx = quick_tab[26];
else } else {
opt_idx = quick_tab[CharOrdLow(arg[0])]; opt_idx = quick_tab[CharOrdLow(arg[0])];
}
// Match full name
for (; (s = options[opt_idx].fullname) != NULL; opt_idx++) { for (; (s = options[opt_idx].fullname) != NULL; opt_idx++) {
if (STRCMP(arg, s) == 0) /* match full name */ if (STRNCMP(arg, s, len) == 0 && s[len] == NUL) {
break; break;
} }
}
if (s == NULL && !is_term_opt) { if (s == NULL && !is_term_opt) {
opt_idx = quick_tab[CharOrdLow(arg[0])]; opt_idx = quick_tab[CharOrdLow(arg[0])];
// Match short name
for (; options[opt_idx].fullname != NULL; opt_idx++) { for (; options[opt_idx].fullname != NULL; opt_idx++) {
s = options[opt_idx].shortname; s = options[opt_idx].shortname;
if (s != NULL && STRCMP(arg, s) == 0) /* match short name */ if (s != NULL && STRNCMP(arg, s, len) == 0 && s[len] == NUL) {
break; break;
}
s = NULL; s = NULL;
} }
} }
@@ -4419,6 +4427,15 @@ bool set_tty_option(char *name, char *value)
|| !strcmp(name, "ttytype"); || !strcmp(name, "ttytype");
} }
/*
* Find index for option 'arg'.
* Return -1 if not found.
*/
static int findoption(char_u *arg)
{
return findoption_len(arg, STRLEN(arg));
}
/* /*
* Get the value for an option. * Get the value for an option.
* *
@@ -4675,27 +4692,32 @@ char_u *get_highlight_default(void)
/* /*
* Translate a string like "t_xx", "<t_xx>" or "<S-Tab>" to a key number. * Translate a string like "t_xx", "<t_xx>" or "<S-Tab>" to a key number.
*/ */
static int find_key_option(char_u *arg) int find_key_option_len(const char_u *arg, size_t len)
{ {
int key; int key;
int modifiers; int modifiers;
/* // Don't use get_special_key_code() for t_xx, we don't want it to call
* Don't use get_special_key_code() for t_xx, we don't want it to call // add_termcap_entry().
* add_termcap_entry(). if (len >= 4 && arg[0] == 't' && arg[1] == '_') {
*/
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3])
key = TERMCAP2KEY(arg[2], arg[3]); key = TERMCAP2KEY(arg[2], arg[3]);
else { } else {
--arg; /* put arg at the '<' */ arg--; // put arg at the '<'
modifiers = 0; modifiers = 0;
key = find_special_key(&arg, &modifiers, TRUE, TRUE); key = find_special_key(&arg, len + 1, &modifiers, true, true);
if (modifiers) /* can't handle modifiers here */ if (modifiers) { // can't handle modifiers here
key = 0; key = 0;
} }
}
return key; return key;
} }
static int find_key_option(const char_u *arg)
{
return find_key_option_len(arg, STRLEN(arg));
}
/* /*
* if 'all' == 0: show changed options * if 'all' == 0: show changed options
* if 'all' == 1: show all normal options * if 'all' == 1: show all normal options

3
src/nvim/os/input.c
View File

@@ -176,7 +176,8 @@ size_t input_enqueue(String keys)
while (rbuffer_space(input_buffer) >= 6 && ptr < end) { while (rbuffer_space(input_buffer) >= 6 && ptr < end) {
uint8_t buf[6] = { 0 }; uint8_t buf[6] = { 0 };
unsigned int new_size = trans_special((uint8_t **)&ptr, buf, true); unsigned int new_size = trans_special((const uint8_t **)&ptr, keys.size,
buf, true);
if (new_size) { if (new_size) {
new_size = handle_mouse_event(&ptr, buf, new_size); new_size = handle_mouse_event(&ptr, buf, new_size);