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-rw-r--r--src/farsi.c349
1 files changed, 180 insertions, 169 deletions
diff --git a/src/farsi.c b/src/farsi.c
index 9a22b3f364..1e2ea7428b 100644
--- a/src/farsi.c
+++ b/src/farsi.c
@@ -1,21 +1,13 @@
-/* vi:set ts=8 sts=4 sw=4:
- *
- * VIM - Vi IMproved by Bram Moolenaar
- *
- * Do ":help uganda" in Vim to read copying and usage conditions.
- * Do ":help credits" in Vim to see a list of people who contributed.
- * See README.txt for an overview of the Vim source code.
- */
+/// @file farsi.c
+///
+/// Functions for Farsi language
+///
+/// Included by main.c, when FEAT_FKMAP is defined.
#include "farsi.h"
#include "edit.h"
#include "ex_getln.h"
-/*
- * farsi.c: functions for Farsi language
- *
- * Included by main.c, when FEAT_FKMAP is defined.
- */
static int toF_Xor_X_(int c);
static int F_is_TyE(int c);
@@ -38,9 +30,11 @@ static int F_isterm(int c);
static int toF_ending(int c);
static void lrswapbuf(char_u *buf, int len);
-/*
-** Convert the given Farsi character into a _X or _X_ type
-*/
+/// 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;
@@ -152,9 +146,11 @@ static int toF_Xor_X_(int c)
return 0;
}
-/*
-** Convert the given Farsi character into Farsi capital character .
-*/
+/// Convert the given Farsi character into Farsi capital character.
+///
+/// @param c The character to convert.
+///
+/// @return Character converted to the Farsi capital leter.
int toF_TyA(int c)
{
switch (c) {
@@ -216,7 +212,8 @@ int toF_TyA(int c)
case _GHAF:
return GHAF;
- /* I am not sure what it is !!! case _KAF_H: */
+ // I am not sure what it is !!!
+ // case _KAF_H:
case _KAF:
return KAF;
@@ -254,11 +251,14 @@ int toF_TyA(int c)
return c;
}
-/*
-** Is the character under the cursor+offset in the given buffer a join type.
-** That is a character that is combined with the others.
-** Note: the offset is used only for command line buffer.
-*/
+/// Is the character under the cursor+offset in the given buffer a join type.
+/// That is a character that is combined with the others.
+/// Note: the offset is used only for command line buffer.
+///
+/// @param src
+/// @param offset
+///
+/// @return TRUE if the character under the cursor+offset is a join type.
static int F_is_TyB_TyC_TyD(int src, int offset)
{
int c;
@@ -306,9 +306,11 @@ static int F_is_TyB_TyC_TyD(int src, int offset)
return FALSE;
}
-/*
-** Is the Farsi character one of the terminating only type.
-*/
+/// Is the Farsi character one of the terminating only type.
+///
+/// @param c The character to check.
+///
+/// @return TRUE if the Farsi character is one of the terminating only types.
static int F_is_TyE(int c)
{
switch (c) {
@@ -327,9 +329,11 @@ static int F_is_TyE(int c)
return FALSE;
}
-/*
-** Is the Farsi character one of the none leading type.
-*/
+/// Is the Farsi character one of the none leading type.
+///
+/// @param c The character to check.
+///
+/// @return TRUE if the Farsi character is one of the none-leading types.
static int F_is_TyC_TyD(int c)
{
switch (c) {
@@ -349,9 +353,11 @@ static int F_is_TyC_TyD(int c)
return FALSE;
}
-/*
-** Convert a none leading Farsi char into a leading type.
-*/
+/// Convert a none leading Farsi char into a leading type.
+///
+/// @param c The character to convert.
+///
+/// @return The character converted into a leading type.
static int toF_TyB(int c)
{
switch (c) {
@@ -365,13 +371,15 @@ static int toF_TyB(int c)
return _AYN;
case AYN_:
- return AYN; /* exception - there are many of them */
+ // exception - there are many of them
+ return AYN;
case _GHAYN_:
return _GHAYN;
case GHAYN_:
- return GHAYN; /* exception - there are many of them */
+ // exception - there are many of them
+ return GHAYN;
case _HE_:
return _HE;
@@ -391,9 +399,9 @@ static int toF_TyB(int c)
return c;
}
-/*
-** Overwrite the current redo and cursor characters + left adjust
-*/
+/// Overwrite the current redo and cursor characters + left adjust
+///
+/// @param c
static void put_curr_and_l_to_X(int c)
{
int tempc;
@@ -434,9 +442,7 @@ static void put_and_redo(int c)
AppendCharToRedobuff(c);
}
-/*
-** Change the char. under the cursor to a X_ or X type
-*/
+/// Change the char. under the cursor to a X_ or X type
static void chg_c_toX_orX(void)
{
int tempc, curc;
@@ -582,9 +588,7 @@ static void chg_c_toX_orX(void)
}
}
-/*
-** Change the char. under the cursor to a _X_ or X_ type
-*/
+/// Change the char. under the cursor to a _X_ or X_ type
static void chg_c_to_X_orX_(void)
{
int tempc;
@@ -643,9 +647,7 @@ static void chg_c_to_X_orX_(void)
}
}
-/*
-** Change the char. under the cursor to a _X_ or _X type
-*/
+/// Change the char. under the cursor to a _X_ or _X type
static void chg_c_to_X_or_X(void)
{
int tempc;
@@ -669,15 +671,13 @@ static void chg_c_to_X_or_X(void)
}
}
-/*
-** Change the character left to the cursor to a _X_ or X_ type
-*/
+/// 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()))) {
+ if ((curwin->w_cursor.col != 0)
+ && (curwin->w_cursor.col + 1 == (colnr_T)STRLEN(ml_get_curline()))) {
return;
}
@@ -751,9 +751,7 @@ static void chg_l_to_X_orX_(void)
}
}
-/*
-** Change the character left to the cursor to a X or _X type
-*/
+/// Change the character left to the cursor to a X or _X type
static void chg_l_toXor_X(void)
{
int tempc;
@@ -833,9 +831,7 @@ static void chg_l_toXor_X(void)
}
}
-/*
-** Change the character right to the cursor to a _X or _X_ type
-*/
+/// Change the character right to the cursor to a _X or _X_ type
static void chg_r_to_Xor_X_(void)
{
int tempc, c;
@@ -856,9 +852,7 @@ static void chg_r_to_Xor_X_(void)
}
}
-/*
-** Map Farsi keyboard when in fkmap mode.
-*/
+/// Map Farsi keyboard when in fkmap mode.
int fkmap(int c)
{
int tempc;
@@ -868,14 +862,15 @@ int fkmap(int c)
return c;
}
- if (VIM_ISDIGIT(c) ||
- (((c == '.') ||
- (c == '+') ||
- (c == '-') ||
- (c == '^') ||
- (c == '%') ||
- (c == '#') ||
- (c == '=')) && revins)) {
+ if (VIM_ISDIGIT(c)
+ || (((c == '.')
+ || (c == '+')
+ || (c == '-')
+ || (c == '^')
+ || (c == '%')
+ || (c == '#')
+ || (c == '='))
+ && revins)) {
if (!revins) {
if (curwin->w_cursor.col) {
if (!p_ri) {
@@ -897,7 +892,7 @@ int fkmap(int c)
inc_cursor();
}
- ++revins;
+ revins++;
p_ri = 1;
} else {
if (revins) {
@@ -906,28 +901,28 @@ int fkmap(int c)
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() != NUL) {
- ++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))
+ && gchar_cursor() != NUL) {
+ 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) {
+ 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) {
}
}
@@ -963,7 +958,6 @@ int fkmap(int c)
}
tempc = 0;
-
switch (c) {
case '`':
case ' ':
@@ -1022,10 +1016,8 @@ int fkmap(int c)
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.
- */
+ // 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())) {
@@ -1853,9 +1845,11 @@ int fkmap(int c)
return c;
}
-/*
-** Convert a none leading Farsi char into a leading type.
-*/
+/// Convert a none leading Farsi char into a leading type.
+///
+/// @param c The character to convert.
+///
+/// @return The non-leading Farsi character converted to a leading type.
static int toF_leading(int c)
{
switch (c) {
@@ -1951,9 +1945,11 @@ static int toF_leading(int c)
return c;
}
-/*
-** Convert a given Farsi char into right joining type.
-*/
+/// Convert a given Farsi char into right joining type.
+///
+/// @param c The character to convert.
+///
+/// @return The Farsi character converted into a right joining type
static int toF_Rjoin(int c)
{
switch (c) {
@@ -2052,9 +2048,11 @@ static int toF_Rjoin(int c)
return c;
}
-/*
-** Can a given Farsi character join via its left edj.
-*/
+/// Can a given Farsi character join via its left edj.
+///
+/// @param c The character to check.
+///
+/// @return TRUE if the character can join via its left edj.
static int canF_Ljoin(int c)
{
switch (c) {
@@ -2124,9 +2122,11 @@ static int canF_Ljoin(int c)
return FALSE;
}
-/*
-** Can a given Farsi character join via its right edj.
-*/
+/// Can a given Farsi character join via its right edj.
+///
+/// @param c
+///
+/// @return TRUE if the character can join via its right edj.
static int canF_Rjoin(int c)
{
switch (c) {
@@ -2149,9 +2149,11 @@ static int canF_Rjoin(int c)
return canF_Ljoin(c);
}
-/*
-** is a given Farsi character a terminating type.
-*/
+/// Is a given Farsi character a terminating type.
+///
+/// @param c
+///
+/// @return TRUE if the character is a terminating type.
static int F_isterm(int c)
{
switch (c) {
@@ -2174,9 +2176,11 @@ static int F_isterm(int c)
return FALSE;
}
-/*
-** Convert the given Farsi character into a ending type .
-*/
+/// Convert the given Farsi character into a ending type.
+///
+/// @param c The character to convert.
+///
+/// @return The character converted into an ending type.
static int toF_ending(int c)
{
switch (c) {
@@ -2278,9 +2282,7 @@ static int toF_ending(int c)
return c;
}
-/*
-** Convert the Farsi 3342 standard into Farsi VIM.
-*/
+/// Convert the Farsi 3342 standard into Farsi VIM.
void conv_to_pvim(void)
{
char_u *ptr;
@@ -2292,14 +2294,14 @@ void conv_to_pvim(void)
for (i = 0; i < llen - 1; i++) {
if (canF_Ljoin(ptr[i]) && canF_Rjoin(ptr[i + 1])) {
ptr[i] = toF_leading(ptr[i]);
- ++i;
+ i++;
while (canF_Rjoin(ptr[i]) && i < llen) {
ptr[i] = toF_Rjoin(ptr[i]);
if (F_isterm(ptr[i]) || !F_isalpha(ptr[i])) {
break;
}
- ++i;
+ i++;
}
if (!F_isalpha(ptr[i]) || !canF_Rjoin(ptr[i])) {
@@ -2311,30 +2313,22 @@ void conv_to_pvim(void)
}
}
- /*
- * Following lines contains Farsi encoded character.
- */
-
+ // Following lines contains Farsi encoded character.
do_cmdline_cmd((char_u *)"%s/\202\231/\232/g");
do_cmdline_cmd((char_u *)"%s/\201\231/\370\334/g");
- /* Assume the screen has been messed up: clear it and redraw. */
+ // Assume the screen has been messed up: clear it and redraw.
redraw_later(CLEAR);
MSG_ATTR(farsi_text_1, hl_attr(HLF_S));
}
-/*
- * Convert the Farsi VIM into Farsi 3342 standard.
- */
+/// Convert the Farsi VIM into Farsi 3342 standard.
void conv_to_pstd(void)
{
char_u *ptr;
int lnum, llen, i;
- /*
- * Following line contains Farsi encoded character.
- */
-
+ // Following line contains Farsi encoded character.
do_cmdline_cmd((char_u *)"%s/\232/\202\231/g");
for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) {
ptr = ml_get((linenr_T)lnum);
@@ -2344,14 +2338,15 @@ void conv_to_pstd(void)
}
}
- /* Assume the screen has been messed up: clear it and redraw. */
+ // Assume the screen has been messed up: clear it and redraw.
redraw_later(CLEAR);
MSG_ATTR(farsi_text_2, hl_attr(HLF_S));
}
-/*
- * left-right swap the characters in buf[len].
- */
+/// left-right swap the characters in buf[len].
+///
+/// @param buf
+/// @param len
static void lrswapbuf(char_u *buf, int len)
{
char_u *s, *e;
@@ -2368,9 +2363,11 @@ static void lrswapbuf(char_u *buf, int len)
}
}
-/*
- * swap all the characters in reverse direction
- */
+/// swap all the characters in reverse direction
+///
+/// @param ibuf
+///
+/// @return The buffer with the characters swapped.
char_u* lrswap(char_u *ibuf)
{
if ((ibuf != NULL) && (*ibuf != NUL)) {
@@ -2379,9 +2376,12 @@ char_u* lrswap(char_u *ibuf)
return ibuf;
}
-/*
- * swap all the Farsi characters in reverse direction
- */
+/// swap all the Farsi characters in reverse direction
+///
+/// @param cmdbuf
+/// @param .
+///
+/// @return The buffer with all Farsi characters swapped.
char_u* lrFswap(char_u *cmdbuf, int len)
{
int i, cnt;
@@ -2394,10 +2394,10 @@ char_u* lrFswap(char_u *cmdbuf, int len)
}
for (i = 0; i < len; i++) {
- for (cnt = 0; i + cnt < len &&
- (F_isalpha(cmdbuf[i + cnt]) ||
- F_isdigit(cmdbuf[i + cnt]) ||
- cmdbuf[i + cnt] == ' '); ++cnt) {
+ for (cnt = 0; i + cnt < len
+ && (F_isalpha(cmdbuf[i + cnt])
+ || F_isdigit(cmdbuf[i + cnt])
+ || cmdbuf[i + cnt] == ' '); ++cnt) {
}
lrswapbuf(cmdbuf + i, cnt);
@@ -2406,11 +2406,14 @@ char_u* lrFswap(char_u *cmdbuf, int len)
return cmdbuf;
}
-/*
- * Reverse the characters in the search path and substitute section
- * accordingly.
- * TODO: handle different separator characters. Use skip_regexp().
- */
+/// Reverse the characters in the search path and substitute section
+/// accordingly.
+/// TODO: handle different separator characters. Use skip_regexp().
+///
+/// @param ibuf
+///
+/// @return The buffer with the characters in the search path and substitute
+/// section reversed.
char_u* lrF_sub(char_u *ibuf)
{
char_u *p, *ep;
@@ -2418,7 +2421,7 @@ char_u* lrF_sub(char_u *ibuf)
p = ibuf;
- /* Find the boundary of the search path */
+ // Find the boundary of the search path
while (((p = vim_strchr(p + 1, '/')) != NULL) && p[-1] == '\\') {
}
@@ -2426,17 +2429,17 @@ char_u* lrF_sub(char_u *ibuf)
return ibuf;
}
- /* Reverse the Farsi characters in the search path. */
+ // Reverse the Farsi characters in the search path.
lrFswap(ibuf, (int)(p - ibuf));
- /* Now find the boundary of the substitute section */
+ // Now find the boundary of the substitute section
if ((ep = (char_u *)strrchr((char *)++p, '/')) != NULL) {
cnt = (int)(ep - p);
} else {
cnt = (int)STRLEN(p);
}
- /* Reverse the characters in the substitute section and take care of '\' */
+ // Reverse the characters in the substitute section and take care of '\'
for (i = 0; i < cnt - 1; i++) {
if (p[i] == '\\') {
p[i] = p[i + 1];
@@ -2448,9 +2451,11 @@ char_u* lrF_sub(char_u *ibuf)
return ibuf;
}
-/*
- * Map Farsi keyboard when in cmd_fkmap mode.
- */
+/// Map Farsi keyboard when in cmd_fkmap mode.
+///
+/// @param c
+///
+/// @return The mapped character.
int cmdl_fkmap(int c)
{
int tempc;
@@ -2567,7 +2572,7 @@ int cmdl_fkmap(int c)
if (F_is_TyB_TyC_TyD(SRC_CMD, AT_CURSOR + 1)) {
cmd_pchar(YE_, AT_CURSOR);
} else {
- cmd_pchar(YE, AT_CURSOR);
+ cmd_pchar(YE, AT_CURSOR);
}
}
@@ -2881,27 +2886,33 @@ int cmdl_fkmap(int c)
return c;
}
-/*
- * F_isalpha returns TRUE if 'c' is a Farsi alphabet
- */
+/// F_isalpha returns TRUE if 'c' is a Farsi alphabet
+///
+/// @param c The character to check.
+///
+/// @return TRUE if 'c' is a Farsi alphabet character.
int F_isalpha(int c)
{
- return (c >= TEE_ && c <= _YE) ||
- (c >= ALEF_A && c <= YE) ||
- (c >= _IE && c <= YE_);
+ return (c >= TEE_ && c <= _YE)
+ || (c >= ALEF_A && c <= YE)
+ || (c >= _IE && c <= YE_);
}
-/*
- * F_isdigit returns TRUE if 'c' is a Farsi digit
- */
+/// F_isdigit returns TRUE if 'c' is a Farsi digit
+///
+/// @param c The character to check.
+///
+/// @return TRUE if 'c' is a Farsi digit.
int F_isdigit(int c)
{
return c >= FARSI_0 && c <= FARSI_9;
}
-/*
- * F_ischar returns TRUE if 'c' is a Farsi character.
- */
+/// F_ischar returns TRUE if 'c' is a Farsi character.
+///
+/// @param c The character to check.
+///
+/// @return TRUE if 'c' is a Farsi character.
int F_ischar(int c)
{
return c >= TEE_ && c <= YE_;
generated by cgit (git 2.34.1) at 2025-08-05 04:22:01 +0000