/// Overwrite the current redo and cursor characters + left adjust
///
/// @param c
static void put_curr_and_l_to_X(int c)
{
int tempc;
if (curwin->w_p_rl && p_ri) {
return;
}
if ((curwin->w_cursor.col < (colnr_T)STRLEN(ml_get_curline()))) {
if ((p_ri && curwin->w_cursor.col) || !p_ri) {
if (p_ri) {
dec_cursor();
} else {
inc_cursor();
}
if (F_is_TyC_TyD((tempc = gchar_cursor()))) {
pchar_cursor(toF_TyB(tempc));
AppendCharToRedobuff(K_BS);
AppendCharToRedobuff(tempc);
}
if (p_ri) {
inc_cursor();
} else {
dec_cursor();
}
}
}
put_and_redo(c);
}
static jstring DEF_JNI(getCurrentLine, int size)
{
if(fake_gpm_fd[1] < 0) return NULL;
u_char* line = ml_get_curline();
if(size <= 0)
return env->NewStringUTF((const char*)line);
char* buf = strndup((const char*)line, size);
jstring result = env->NewStringUTF((const char*)buf);
free(buf);
return result;
}
// When extra == 0: Return true if the cursor is before or on the first
// non-blank in the line.
// When extra == 1: Return true if the cursor is before the first non-blank in
// the line.
int inindent(int extra)
{
char_u *ptr;
colnr_T col;
for (col = 0, ptr = ml_get_curline(); vim_iswhite(*ptr); ++col) {
ptr++;
}
if (col >= curwin->w_cursor.col + extra) {
return true;
} else {
return false;
}
}
/// Change the char. under the cursor to a _X_ or _X type
static void chg_c_to_X_or_X(void)
{
int tempc;
tempc = gchar_cursor();
if (curwin->w_cursor.col + 1 < (colnr_T)STRLEN(ml_get_curline())) {
inc_cursor();
if ((tempc == F_HE) && (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR))) {
tempc = _HE_;
dec_cursor();
put_and_redo(tempc);
return;
}
dec_cursor();
}
if ((tempc = toF_Xor_X_(tempc)) != 0) {
put_and_redo(tempc);
}
}
// Set the indent of the current line.
// Leaves the cursor on the first non-blank in the line.
// Caller must take care of undo.
// "flags":
// SIN_CHANGED: call changed_bytes() if the line was changed.
// SIN_INSERT: insert the indent in front of the line.
// SIN_UNDO: save line for undo before changing it.
// @param size measured in spaces
// Returns true if the line was changed.
int set_indent(int size, int flags)
{
char_u *p;
char_u *newline;
char_u *oldline;
char_u *s;
int todo;
int ind_len; // Measured in characters.
int line_len;
int doit = false;
int ind_done = 0; // Measured in spaces.
int tab_pad;
int retval = false;
// Number of initial whitespace chars when 'et' and 'pi' are both set.
int orig_char_len = -1;
// First check if there is anything to do and compute the number of
// characters needed for the indent.
todo = size;
ind_len = 0;
p = oldline = ml_get_curline();
// Calculate the buffer size for the new indent, and check to see if it
// isn't already set.
// If 'expandtab' isn't set: use TABs; if both 'expandtab' and
// 'preserveindent' are set count the number of characters at the
// beginning of the line to be copied.
if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi)) {
// If 'preserveindent' is set then reuse as much as possible of
// the existing indent structure for the new indent.
if (!(flags & SIN_INSERT) && curbuf->b_p_pi) {
ind_done = 0;
// Count as many characters as we can use.
while (todo > 0 && vim_iswhite(*p)) {
if (*p == TAB) {
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
// Stop if this tab will overshoot the target.
if (todo < tab_pad) {
break;
}
todo -= tab_pad;
ind_len++;
ind_done += tab_pad;
} else {
todo--;
ind_len++;
ind_done++;
}
p++;
}
// Set initial number of whitespace chars to copy if we are
// preserving indent but expandtab is set.
if (curbuf->b_p_et) {
orig_char_len = ind_len;
}
// Fill to next tabstop with a tab, if possible.
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
if ((todo >= tab_pad) && (orig_char_len == -1)) {
doit = true;
todo -= tab_pad;
ind_len++;
// ind_done += tab_pad;
}
}
// Count tabs required for indent.
while (todo >= (int)curbuf->b_p_ts) {
if (*p != TAB) {
doit = true;
} else {
p++;
}
todo -= (int)curbuf->b_p_ts;
ind_len++;
// ind_done += (int)curbuf->b_p_ts;
}
}
// Count spaces required for indent.
while (todo > 0) {
if (*p != ' ') {
doit = true;
} else {
p++;
}
todo--;
ind_len++;
// ind_done++;
}
// Return if the indent is OK already.
if (!doit && !vim_iswhite(*p) && !(flags & SIN_INSERT)) {
return false;
}
// Allocate memory for the new line.
if (flags & SIN_INSERT) {
p = oldline;
} else {
p = skipwhite(p);
}
line_len = (int)STRLEN(p) + 1;
// If 'preserveindent' and 'expandtab' are both set keep the original
// characters and allocate accordingly. We will fill the rest with spaces
// after the if (!curbuf->b_p_et) below.
if (orig_char_len != -1) {
newline = alloc(orig_char_len + size - ind_done + line_len);
todo = size - ind_done;
// Set total length of indent in characters, which may have been
// undercounted until now.
ind_len = orig_char_len + todo;
p = oldline;
s = newline;
while (orig_char_len > 0) {
*s++ = *p++;
orig_char_len--;
}
// Skip over any additional white space (useful when newindent is less
// than old).
while (vim_iswhite(*p)) {
p++;
}
} else {
todo = size;
newline = alloc(ind_len + line_len);
s = newline;
}
// Put the characters in the new line.
// if 'expandtab' isn't set: use TABs
if (!curbuf->b_p_et) {
// If 'preserveindent' is set then reuse as much as possible of
// the existing indent structure for the new indent.
if (!(flags & SIN_INSERT) && curbuf->b_p_pi) {
p = oldline;
ind_done = 0;
while (todo > 0 && vim_iswhite(*p)) {
if (*p == TAB) {
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
// Stop if this tab will overshoot the target.
if (todo < tab_pad) {
break;
}
todo -= tab_pad;
ind_done += tab_pad;
} else {
todo--;
ind_done++;
}
*s++ = *p++;
}
// Fill to next tabstop with a tab, if possible.
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
if (todo >= tab_pad) {
*s++ = TAB;
todo -= tab_pad;
}
p = skipwhite(p);
}
while (todo >= (int)curbuf->b_p_ts) {
*s++ = TAB;
todo -= (int)curbuf->b_p_ts;
}
}
while (todo > 0) {
*s++ = ' ';
todo--;
}
memmove(s, p, (size_t)line_len);
// Replace the line (unless undo fails).
if (!(flags & SIN_UNDO) || (u_savesub(curwin->w_cursor.lnum) == OK)) {
ml_replace(curwin->w_cursor.lnum, newline, false);
if (flags & SIN_CHANGED) {
changed_bytes(curwin->w_cursor.lnum, 0);
}
// Correct saved cursor position if it is in this line.
if (saved_cursor.lnum == curwin->w_cursor.lnum) {
if (saved_cursor.col >= (colnr_T)(p - oldline)) {
// Cursor was after the indent, adjust for the number of
// bytes added/removed.
saved_cursor.col += ind_len - (colnr_T)(p - oldline);
} else if (saved_cursor.col >= (colnr_T)(s - newline)) {
// Cursor was in the indent, and is now after it, put it back
// at the start of the indent (replacing spaces with TAB).
saved_cursor.col = (colnr_T)(s - newline);
}
}
retval = true;
} else {
vim_free(newline);
}
curwin->w_cursor.col = ind_len;
return retval;
}
// TODO(unknown):
// Findmatch() should be adapted for lisp, also to make showmatch
// work correctly: now (v5.3) it seems all C/C++ oriented:
// - it does not recognize the #\( and #\) notations as character literals
// - it doesn't know about comments starting with a semicolon
// - it incorrectly interprets '(' as a character literal
// All this messes up get_lisp_indent in some rare cases.
// Update from Sergey Khorev:
// I tried to fix the first two issues.
int get_lisp_indent(void)
{
pos_T *pos, realpos, paren;
int amount;
char_u *that;
colnr_T col;
colnr_T firsttry;
int parencount;
int quotecount;
int vi_lisp;
// Set vi_lisp to use the vi-compatible method.
vi_lisp = (vim_strchr(p_cpo, CPO_LISP) != NULL);
realpos = curwin->w_cursor;
curwin->w_cursor.col = 0;
if ((pos = findmatch(NULL, '(')) == NULL) {
pos = findmatch(NULL, '[');
} else {
paren = *pos;
pos = findmatch(NULL, '[');
if ((pos == NULL) || ltp(pos, &paren)) {
pos = &paren;
}
}
if (pos != NULL) {
// Extra trick: Take the indent of the first previous non-white
// line that is at the same () level.
amount = -1;
parencount = 0;
while (--curwin->w_cursor.lnum >= pos->lnum) {
if (linewhite(curwin->w_cursor.lnum)) {
continue;
}
for (that = ml_get_curline(); *that != '\0'; ++that) {
if (*that == ';') {
while (*(that + 1) != '\0') {
that++;
}
continue;
}
if (*that == '\\') {
if (*(that + 1) != '\0') {
that++;
}
continue;
}
if ((*that == '"') && (*(that + 1) != '\0')) {
while (*++that && *that != '"') {
// Skipping escaped characters in the string
if (*that == '\\') {
if (*++that == '\0') {
break;
}
if (that[1] == '\0') {
that++;
break;
}
}
}
}
if ((*that == '(') || (*that == '[')) {
parencount++;
} else if ((*that == ')') || (*that == ']')) {
parencount--;
}
}
if (parencount == 0) {
amount = get_indent();
break;
}
}
if (amount == -1) {
curwin->w_cursor.lnum = pos->lnum;
curwin->w_cursor.col = pos->col;
col = pos->col;
that = ml_get_curline();
if (vi_lisp && (get_indent() == 0)) {
amount = 2;
} else {
amount = 0;
while (*that && col) {
amount += lbr_chartabsize_adv(&that, (colnr_T)amount);
col--;
}
// Some keywords require "body" indenting rules (the
// non-standard-lisp ones are Scheme special forms):
// (let ((a 1)) instead (let ((a 1))
// (...)) of (...))
if (!vi_lisp && ((*that == '(') || (*that == '['))
&& lisp_match(that + 1)) {
amount += 2;
} else {
that++;
amount++;
firsttry = amount;
while (vim_iswhite(*that)) {
amount += lbr_chartabsize(that, (colnr_T)amount);
that++;
}
if (*that && (*that != ';')) {
// Not a comment line.
// Test *that != '(' to accommodate first let/do
// argument if it is more than one line.
if (!vi_lisp && (*that != '(') && (*that != '[')) {
firsttry++;
}
parencount = 0;
quotecount = 0;
if (vi_lisp || ((*that != '"') && (*that != '\'')
&& (*that != '#') && ((*that < '0') || (*that > '9')))) {
while (*that && (!vim_iswhite(*that) || quotecount || parencount)
&& (!((*that == '(' || *that == '[')
&& !quotecount && !parencount && vi_lisp))) {
if (*that == '"') {
quotecount = !quotecount;
}
if (((*that == '(') || (*that == '[')) && !quotecount) {
parencount++;
}
if (((*that == ')') || (*that == ']')) && !quotecount) {
parencount--;
}
if ((*that == '\\') && (*(that + 1) != '\0')) {
amount += lbr_chartabsize_adv(&that, (colnr_T)amount);
}
amount += lbr_chartabsize_adv(&that, (colnr_T)amount);
}
}
while (vim_iswhite(*that)) {
amount += lbr_chartabsize(that, (colnr_T)amount);
that++;
}
if (!*that || (*that == ';')) {
amount = firsttry;
}
}
}
}
}
} else {
amount = 0; // No matching '(' or '[' found, use zero indent.
}
curwin->w_cursor = realpos;
return amount;
}
// Copy the indent from ptr to the current line (and fill to size).
// Leaves the cursor on the first non-blank in the line.
// @return true if the line was changed.
int copy_indent(int size, char_u *src)
{
char_u *p = NULL;
char_u *line = NULL;
char_u *s;
int todo;
int ind_len;
int line_len = 0;
int tab_pad;
int ind_done;
int round;
// Round 1: compute the number of characters needed for the indent
// Round 2: copy the characters.
for (round = 1; round <= 2; ++round) {
todo = size;
ind_len = 0;
ind_done = 0;
s = src;
// Count/copy the usable portion of the source line.
while (todo > 0 && vim_iswhite(*s)) {
if (*s == TAB) {
tab_pad = (int)curbuf->b_p_ts
- (ind_done % (int)curbuf->b_p_ts);
// Stop if this tab will overshoot the target.
if (todo < tab_pad) {
break;
}
todo -= tab_pad;
ind_done += tab_pad;
} else {
todo--;
ind_done++;
}
ind_len++;
if (p != NULL) {
*p++ = *s;
}
s++;
}
// Fill to next tabstop with a tab, if possible.
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
if ((todo >= tab_pad) && !curbuf->b_p_et) {
todo -= tab_pad;
ind_len++;
if (p != NULL) {
*p++ = TAB;
}
}
// Add tabs required for indent.
while (todo >= (int)curbuf->b_p_ts && !curbuf->b_p_et) {
todo -= (int)curbuf->b_p_ts;
ind_len++;
if (p != NULL) {
*p++ = TAB;
}
}
// Count/add spaces required for indent.
while (todo > 0) {
todo--;
ind_len++;
if (p != NULL) {
*p++ = ' ';
}
}
if (p == NULL) {
// Allocate memory for the result: the copied indent, new indent
// and the rest of the line.
line_len = (int)STRLEN(ml_get_curline()) + 1;
line = alloc(ind_len + line_len);
p = line;
}
}
// Append the original line
memmove(p, ml_get_curline(), (size_t)line_len);
// Replace the line
ml_replace(curwin->w_cursor.lnum, line, false);
// Put the cursor after the indent.
curwin->w_cursor.col = ind_len;
return true;
}
// Count the size (in window cells) of the indent in the current line.
int get_indent(void)
{
return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts);
}
/// Map Farsi keyboard when in fkmap mode.
int fkmap(int c)
{
int tempc;
static int revins;
if (IS_SPECIAL(c)) {
return c;
}
if (VIM_ISDIGIT(c)
|| (((c == '.')
|| (c == '+')
|| (c == '-')
|| (c == '^')
|| (c == '%')
|| (c == '#')
|| (c == '='))
&& revins)) {
if (!revins) {
if (curwin->w_cursor.col) {
if (!p_ri) {
dec_cursor();
}
chg_c_toX_orX();
chg_l_toXor_X();
if (!p_ri) {
inc_cursor();
}
}
}
arrow_used = TRUE;
(void)stop_arrow();
if (!curwin->w_p_rl && revins) {
inc_cursor();
}
revins++;
p_ri = 1;
} else {
if (revins) {
arrow_used = TRUE;
(void)stop_arrow();
revins = 0;
if (curwin->w_p_rl) {
while ((F_isdigit(gchar_cursor())
|| (gchar_cursor() == F_PERIOD
|| gchar_cursor() == F_PLUS
|| gchar_cursor() == F_MINUS
|| gchar_cursor() == F_MUL
|| gchar_cursor() == F_DIVIDE
|| gchar_cursor() == F_PERCENT
|| gchar_cursor() == F_EQUALS))
&& gchar_cursor() != '\0') {
curwin->w_cursor.col++;
}
} else {
if (curwin->w_cursor.col) {
while ((F_isdigit(gchar_cursor())
|| (gchar_cursor() == F_PERIOD
|| gchar_cursor() == F_PLUS
|| gchar_cursor() == F_MINUS
|| gchar_cursor() == F_MUL
|| gchar_cursor() == F_DIVIDE
|| gchar_cursor() == F_PERCENT
|| gchar_cursor() == F_EQUALS))
&& --curwin->w_cursor.col) {
}
}
if (!F_isdigit(gchar_cursor())) {
++curwin->w_cursor.col;
}
}
}
}
if (!revins) {
if (curwin->w_p_rl) {
p_ri = 0;
}
if (!curwin->w_p_rl) {
p_ri = 1;
}
}
if ((c < 0x100) &&
(isalpha(c) ||
(c == '&') ||
(c == '^') ||
(c == ';') ||
(c == '\'') ||
(c == ',') ||
(c == '[') ||
(c == ']') ||
(c == '{') ||
(c == '}'))) {
chg_r_to_Xor_X_();
}
tempc = 0;
switch (c) {
case '`':
case ' ':
case '.':
case '!':
case '"':
case '$':
case '%':
case '^':
case '&':
case '/':
case '(':
case ')':
case '=':
case '\\':
case '?':
case '+':
case '-':
case '_':
case '*':
case ':':
case '#':
case '~':
case '@':
case '<':
case '>':
case '{':
case '}':
case '|':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
case 'B':
case 'E':
case 'F':
case 'H':
case 'I':
case 'K':
case 'L':
case 'M':
case 'O':
case 'P':
case 'Q':
case 'R':
case 'T':
case 'U':
case 'W':
case 'Y':
case NL:
case TAB:
if (p_ri && (c == NL) && curwin->w_cursor.col) {
// If the char before the cursor is _X_ or X_ do not change
// the one under the cursor with X type.
dec_cursor();
if (F_isalpha(gchar_cursor())) {
inc_cursor();
return NL;
}
inc_cursor();
}
if (!p_ri) {
if (!curwin->w_cursor.col) {
switch (c) {
case '0':
return FARSI_0;
case '1':
return FARSI_1;
case '2':
return FARSI_2;
case '3':
return FARSI_3;
case '4':
return FARSI_4;
case '5':
return FARSI_5;
case '6':
return FARSI_6;
case '7':
return FARSI_7;
case '8':
return FARSI_8;
case '9':
return FARSI_9;
case 'B':
return F_PSP;
case 'E':
return JAZR_N;
case 'F':
return ALEF_D_H;
case 'H':
return ALEF_A;
case 'I':
return TASH;
case 'K':
return F_LQUOT;
case 'L':
return F_RQUOT;
case 'M':
return HAMZE;
case 'O':
return '[';
case 'P':
return ']';
case 'Q':
return OO;
case 'R':
return MAD_N;
case 'T':
return OW;
case 'U':
return MAD;
case 'W':
return OW_OW;
case 'Y':
return JAZR;
case '`':
return F_PCN;
case '!':
return F_EXCL;
case '@':
return F_COMMA;
case '#':
return F_DIVIDE;
case '$':
return F_CURRENCY;
case '%':
return F_PERCENT;
case '^':
return F_MUL;
case '&':
return F_BCOMMA;
case '*':
return F_STAR;
case '(':
return F_LPARENT;
case ')':
return F_RPARENT;
case '-':
return F_MINUS;
case '_':
return F_UNDERLINE;
case '=':
return F_EQUALS;
case '+':
return F_PLUS;
case '\\':
return F_BSLASH;
case '|':
return F_PIPE;
case ':':
return F_DCOLON;
case '"':
return F_SEMICOLON;
case '.':
return F_PERIOD;
case '/':
return F_SLASH;
case '<':
return F_LESS;
case '>':
return F_GREATER;
case '?':
return F_QUESTION;
case ' ':
return F_BLANK;
}
break;
}
}
if (!p_ri) {
dec_cursor();
}
switch ((tempc = gchar_cursor())) {
case _BE:
case _PE:
case _TE:
case _SE:
case _JIM:
case _CHE:
case _HE_J:
case _XE:
case _SIN:
case _SHIN:
case _SAD:
case _ZAD:
case _FE:
case _GHAF:
case _KAF:
case _KAF_H:
case _GAF:
case _LAM:
case _MIM:
case _NOON:
case _HE:
case _HE_:
case _TA:
case _ZA:
put_curr_and_l_to_X(toF_TyA(tempc));
break;
case _AYN:
case _AYN_:
if (!p_ri) {
if (!curwin->w_cursor.col) {
put_curr_and_l_to_X(AYN);
break;
}
}
if (p_ri) {
inc_cursor();
} else {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = AYN_;
} else {
tempc = AYN;
}
if (p_ri) {
dec_cursor();
} else {
inc_cursor();
}
put_curr_and_l_to_X(tempc);
break;
case _GHAYN:
case _GHAYN_:
if (!p_ri) {
if (!curwin->w_cursor.col) {
put_curr_and_l_to_X(GHAYN);
break;
}
}
if (p_ri) {
inc_cursor();
} else {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = GHAYN_;
} else {
tempc = GHAYN;
}
if (p_ri) {
dec_cursor();
} else {
inc_cursor();
}
put_curr_and_l_to_X(tempc);
break;
case _YE:
case _IE:
case _YEE:
if (!p_ri) {
if (!curwin->w_cursor.col) {
put_curr_and_l_to_X((tempc == _YE ? YE :
(tempc == _IE ? IE : YEE)));
break;
}
}
if (p_ri) {
inc_cursor();
} else {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = (tempc == _YE ? YE_ :
(tempc == _IE ? IE_ : YEE_));
} else {
tempc = (tempc == _YE ? YE :
(tempc == _IE ? IE : YEE));
}
if (p_ri) {
dec_cursor();
} else {
inc_cursor();
}
put_curr_and_l_to_X(tempc);
break;
}
if (!p_ri) {
inc_cursor();
}
tempc = 0;
switch (c) {
case '0':
return FARSI_0;
case '1':
return FARSI_1;
case '2':
return FARSI_2;
case '3':
return FARSI_3;
case '4':
return FARSI_4;
case '5':
return FARSI_5;
case '6':
return FARSI_6;
case '7':
return FARSI_7;
case '8':
return FARSI_8;
case '9':
return FARSI_9;
case 'B':
return F_PSP;
case 'E':
return JAZR_N;
case 'F':
return ALEF_D_H;
case 'H':
return ALEF_A;
case 'I':
return TASH;
case 'K':
return F_LQUOT;
case 'L':
return F_RQUOT;
case 'M':
return HAMZE;
case 'O':
return '[';
case 'P':
return ']';
case 'Q':
return OO;
case 'R':
return MAD_N;
case 'T':
return OW;
case 'U':
return MAD;
case 'W':
return OW_OW;
case 'Y':
return JAZR;
case '`':
return F_PCN;
case '!':
return F_EXCL;
case '@':
return F_COMMA;
case '#':
return F_DIVIDE;
case '$':
return F_CURRENCY;
case '%':
return F_PERCENT;
case '^':
return F_MUL;
case '&':
return F_BCOMMA;
case '*':
return F_STAR;
case '(':
return F_LPARENT;
case ')':
return F_RPARENT;
case '-':
return F_MINUS;
case '_':
return F_UNDERLINE;
case '=':
return F_EQUALS;
case '+':
return F_PLUS;
case '\\':
return F_BSLASH;
case '|':
return F_PIPE;
case ':':
return F_DCOLON;
case '"':
return F_SEMICOLON;
case '.':
return F_PERIOD;
case '/':
return F_SLASH;
case '<':
return F_LESS;
case '>':
return F_GREATER;
case '?':
return F_QUESTION;
case ' ':
return F_BLANK;
}
break;
case 'a':
tempc = _SHIN;
break;
case 'A':
tempc = WAW_H;
break;
case 'b':
tempc = ZAL;
break;
case 'c':
tempc = ZE;
break;
case 'C':
tempc = JE;
break;
case 'd':
tempc = _YE;
break;
case 'D':
tempc = _YEE;
break;
case 'e':
tempc = _SE;
break;
case 'f':
tempc = _BE;
break;
case 'g':
tempc = _LAM;
break;
case 'G':
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (gchar_cursor() == _LAM) {
chg_c_toX_orX();
} else if (p_ri) {
chg_c_to_X_or_X();
}
}
if (!p_ri) {
if (!curwin->w_cursor.col) {
return ALEF_U_H;
}
}
if (!p_ri) {
dec_cursor();
}
if (gchar_cursor() == _LAM) {
chg_c_toX_orX();
chg_l_toXor_X();
tempc = ALEF_U_H;
} else if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = ALEF_U_H_;
chg_l_toXor_X();
} else {
tempc = ALEF_U_H;
}
if (!p_ri) {
inc_cursor();
}
return tempc;
case 'h':
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (p_ri) {
chg_c_to_X_or_X();
}
}
if (!p_ri) {
if (!curwin->w_cursor.col) {
return ALEF;
}
}
if (!p_ri) {
dec_cursor();
}
if (gchar_cursor() == _LAM) {
chg_l_toXor_X();
del_char(FALSE);
AppendCharToRedobuff(K_BS);
if (!p_ri) {
dec_cursor();
}
tempc = LA;
} else {
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = ALEF_;
chg_l_toXor_X();
} else {
tempc = ALEF;
}
}
if (!p_ri) {
inc_cursor();
}
return tempc;
case 'i':
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (!p_ri && !F_is_TyE(tempc)) {
chg_c_to_X_orX_();
}
if (p_ri) {
chg_c_to_X_or_X();
}
}
if (!p_ri && !curwin->w_cursor.col) {
return _HE;
}
if (!p_ri) {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = _HE_;
} else {
tempc = _HE;
}
if (!p_ri) {
inc_cursor();
}
break;
case 'j':
tempc = _TE;
break;
case 'J':
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (p_ri) {
chg_c_to_X_or_X();
}
}
if (!p_ri) {
if (!curwin->w_cursor.col) {
return TEE;
}
}
if (!p_ri) {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = TEE_;
chg_l_toXor_X();
} else {
tempc = TEE;
}
if (!p_ri) {
inc_cursor();
}
return tempc;
case 'k':
tempc = _NOON;
break;
case 'l':
tempc = _MIM;
break;
case 'm':
tempc = _PE;
break;
case 'n':
case 'N':
tempc = DAL;
break;
case 'o':
tempc = _XE;
break;
case 'p':
tempc = _HE_J;
break;
case 'q':
tempc = _ZAD;
break;
case 'r':
tempc = _GHAF;
break;
case 's':
tempc = _SIN;
break;
case 'S':
tempc = _IE;
break;
case 't':
tempc = _FE;
break;
case 'u':
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (!p_ri && !F_is_TyE(tempc)) {
chg_c_to_X_orX_();
}
if (p_ri) {
chg_c_to_X_or_X();
}
}
if (!p_ri && !curwin->w_cursor.col) {
return _AYN;
}
if (!p_ri) {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = _AYN_;
} else {
tempc = _AYN;
}
if (!p_ri) {
inc_cursor();
}
break;
case 'v':
case 'V':
tempc = RE;
break;
case 'w':
tempc = _SAD;
break;
case 'x':
case 'X':
tempc = _TA;
break;
case 'y':
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (!p_ri && !F_is_TyE(tempc)) {
chg_c_to_X_orX_();
}
if (p_ri) {
chg_c_to_X_or_X();
}
}
if (!p_ri && !curwin->w_cursor.col) {
return _GHAYN;
}
if (!p_ri) {
dec_cursor();
}
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = _GHAYN_;
} else {
tempc = _GHAYN;
}
if (!p_ri) {
inc_cursor();
}
break;
case 'z':
tempc = _ZA;
break;
case 'Z':
tempc = _KAF_H;
break;
case ';':
tempc = _KAF;
break;
case '\'':
tempc = _GAF;
break;
case ',':
tempc = WAW;
break;
case '[':
tempc = _JIM;
break;
case ']':
tempc = _CHE;
break;
}
if ((F_isalpha(tempc) || F_isdigit(tempc))) {
if (!curwin->w_cursor.col && STRLEN(ml_get_curline())) {
if (!p_ri && !F_is_TyE(tempc)) {
chg_c_to_X_orX_();
}
if (p_ri) {
chg_c_to_X_or_X();
}
}
if (curwin->w_cursor.col) {
if (!p_ri) {
dec_cursor();
}
if (F_is_TyE(tempc)) {
chg_l_toXor_X();
} else {
chg_l_to_X_orX_();
}
if (!p_ri) {
inc_cursor();
}
}
}
if (tempc) {
return tempc;
}
return c;
}
/// Convert the given Farsi character into a _X or _X_ type
///
/// @param c The character to convert.
///
/// @return Farsi character converted to a _X or _X_ type.
static int toF_Xor_X_(int c)
{
int tempc;
switch (c) {
case BE:
return _BE;
case PE:
return _PE;
case TE:
return _TE;
case SE:
return _SE;
case JIM:
return _JIM;
case CHE:
return _CHE;
case HE_J:
return _HE_J;
case XE:
return _XE;
case SIN:
return _SIN;
case SHIN:
return _SHIN;
case SAD:
return _SAD;
case ZAD:
return _ZAD;
case AYN:
return _AYN;
case AYN_:
return _AYN_;
case GHAYN:
return _GHAYN;
case GHAYN_:
return _GHAYN_;
case FE:
return _FE;
case GHAF:
return _GHAF;
case KAF:
return _KAF;
case GAF:
return _GAF;
case LAM:
return _LAM;
case MIM:
return _MIM;
case NOON:
return _NOON;
case YE:
case YE_:
return _YE;
case YEE:
case YEE_:
return _YEE;
case IE:
case IE_:
return _IE;
case F_HE:
tempc = _HE;
if (p_ri &&
(curwin->w_cursor.col + 1 < (colnr_T)STRLEN(ml_get_curline()))) {
inc_cursor();
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = _HE_;
}
dec_cursor();
}
if (!p_ri && STRLEN(ml_get_curline())) {
dec_cursor();
if (F_is_TyB_TyC_TyD(SRC_EDT, AT_CURSOR)) {
tempc = _HE_;
}
inc_cursor();
}
return tempc;
}
return 0;
}
/// Change the character left to the cursor to a X or _X type
static void chg_l_toXor_X(void)
{
int tempc;
if ((curwin->w_cursor.col != 0) &&
(curwin->w_cursor.col + 1 == (colnr_T)STRLEN(ml_get_curline()))) {
return;
}
if (!curwin->w_cursor.col && p_ri) {
return;
}
if (p_ri) {
dec_cursor();
} else {
inc_cursor();
}
switch (gchar_cursor()) {
case ALEF_:
tempc = ALEF;
break;
case ALEF_U_H_:
tempc = ALEF_U_H;
break;
case _AYN_:
tempc = _AYN;
break;
case AYN_:
tempc = AYN;
break;
case _GHAYN_:
tempc = _GHAYN;
break;
case GHAYN_:
tempc = GHAYN;
break;
case _HE_:
tempc = _HE;
break;
case YE_:
tempc = YE;
break;
case IE_:
tempc = IE;
break;
case TEE_:
tempc = TEE;
break;
case YEE_:
tempc = YEE;
break;
default:
tempc = 0;
}
if (tempc) {
put_and_redo(tempc);
}
if (p_ri) {
inc_cursor();
} else {
dec_cursor();
}
}
/*
** Change the character left to the cursor to a _X_ or X_ type
*/
static void chg_l_to_X_orX_(void) {
int tempc;
if (curwin->w_cursor.col != 0 &&
(curwin->w_cursor.col + 1 == (colnr_T)STRLEN(ml_get_curline())))
return;
if (!curwin->w_cursor.col && p_ri)
return;
if (p_ri)
dec_cursor();
else
inc_cursor();
switch (gchar_cursor()) {
case ALEF:
tempc = ALEF_;
break;
case ALEF_U_H:
tempc = ALEF_U_H_;
break;
case _AYN:
tempc = _AYN_;
break;
case AYN:
tempc = AYN_;
break;
case _GHAYN:
tempc = _GHAYN_;
break;
case GHAYN:
tempc = GHAYN_;
break;
case _HE:
tempc = _HE_;
break;
case YE:
tempc = YE_;
break;
case IE:
tempc = IE_;
break;
case TEE:
tempc = TEE_;
break;
case YEE:
tempc = YEE_;
break;
default:
tempc = 0;
}
if (tempc)
put_and_redo(tempc);
if (p_ri)
inc_cursor();
else
dec_cursor();
}