*/ REBFLG MT_Tuple(REBVAL *out, REBVAL *data, REBCNT type)
/*
***********************************************************************/
{
REBYTE *vp;
REBINT len = 0;
REBINT n;
vp = VAL_TUPLE(out);
for (; NOT_END(data); data++, vp++, len++) {
if (len >= 10) return FALSE;
if (IS_INTEGER(data)) {
n = Int32(data);
}
else if (IS_CHAR(data)) {
n = VAL_CHAR(data);
}
else return FALSE;
if (n > 255 || n < 0) return FALSE;
*vp = n;
}
VAL_TUPLE_LEN(out) = len;
for (; len < 10; len++) *vp++ = 0;
VAL_SET(out, type);
return TRUE;
}
*/ REBINT Emit_Tuple(REBVAL *value, REBYTE *out)
/*
** The out array must be large enough to hold longest tuple.
** Longest is: (3 digits + '.') * 11 nums + 1 term => 45
**
***********************************************************************/
{
REBCNT len;
REBYTE *tp;
REBYTE *start = out;
len = VAL_TUPLE_LEN(value);
tp = (REBYTE *)VAL_TUPLE(value);
for (; len > 0; len--, tp++) {
out = Form_Int(out, *tp);
*out++ = '.';
}
len = VAL_TUPLE_LEN(value);
while (len++ < 3) {
*out++ = '0';
*out++ = '.';
}
*--out = 0;
return out-start;
}
//
// Cmp_Tuple: C
//
// Given two tuples, compare them.
//
REBINT Cmp_Tuple(const RELVAL *t1, const RELVAL *t2)
{
REBCNT len;
const REBYTE *vp1, *vp2;
REBINT n;
len = MAX(VAL_TUPLE_LEN(t1), VAL_TUPLE_LEN(t2));
vp1 = VAL_TUPLE(t1);
vp2 = VAL_TUPLE(t2);
for (; len > 0; len--, vp1++,vp2++) {
n = (REBINT)(*vp1 - *vp2);
if (n != 0)
return n;
}
return 0;
}
//
// Set_Tuple: C
//
void Set_Tuple(REBVAL *value, REBYTE *bytes, REBCNT len)
{
REBYTE *bp;
VAL_RESET_HEADER(value, REB_TUPLE);
VAL_TUPLE_LEN(value) = (REBYTE)len;
for (bp = VAL_TUPLE(value); len > 0; len--)
*bp++ = *bytes++;
}
//
// Cmp_Tuple: C
//
// Given two tuples, compare them.
//
REBINT Cmp_Tuple(const REBCEL *t1, const REBCEL *t2)
{
REBCNT len = MAX(VAL_TUPLE_LEN(t1), VAL_TUPLE_LEN(t2));
assert(len < MAX_TUPLE);
const REBYTE *vp1 = VAL_TUPLE(t1);
const REBYTE *vp2 = VAL_TUPLE(t2);
// Note: unused bytes in tuples are 0, so that 1.0.0 can = 1.0.0.0
REBINT n;
for (; len > 0; len--, ++vp1, ++vp2) {
n = cast(REBINT, *vp1) - *vp2;
if (n != 0)
return n;
}
return 0;
}
*/ void Set_Tuple(REBVAL *value, REBYTE *bytes, REBCNT len)
/*
***********************************************************************/
{
REBYTE *bp;
VAL_SET(value, REB_TUPLE);
VAL_TUPLE_LEN(value) = (REBYTE)len;
for (bp = VAL_TUPLE(value); len > 0; len--)
*bp++ = *bytes++;
}
*/ REBINT Cmp_Tuple(REBVAL *t1, REBVAL *t2)
/*
** Given two tuples, compare them.
**
***********************************************************************/
{
REBCNT len;
REBYTE *vp1, *vp2;
REBINT n;
len = MAX(VAL_TUPLE_LEN(t1), VAL_TUPLE_LEN(t2));
vp1 = VAL_TUPLE(t1);
vp2 = VAL_TUPLE(t2);
for (;len > 0; len--, vp1++,vp2++) {
n = (REBINT)(*vp1 - *vp2);
if (n != 0)
return n;
}
return 0;
}
//
// PD_Tuple: C
//
// Implements PATH and SET_PATH for tuple.
// Sets DS_TOP if found. Always returns 0.
//
REBINT PD_Tuple(REBPVS *pvs)
{
const REBVAL *setval;
REBINT n;
REBINT i;
REBYTE *dat;
REBINT len;
dat = VAL_TUPLE(pvs->value);
len = VAL_TUPLE_LEN(pvs->value);
if (len < 3) {
len = 3;
}
n = Get_Num_From_Arg(pvs->selector);
if ((setval = pvs->opt_setval)) {
if (n <= 0 || n > cast(REBINT, MAX_TUPLE))
fail (Error_Bad_Path_Select(pvs));
if (IS_INTEGER(setval) || IS_DECIMAL(setval))
i = Int32(setval);
else if (IS_BLANK(setval)) {
n--;
CLEAR(dat + n, MAX_TUPLE - n);
VAL_TUPLE_LEN(pvs->value) = n;
return PE_OK;
}
else
fail (Error_Bad_Path_Set(pvs));
if (i < 0) i = 0;
else if (i > 255) i = 255;
dat[n - 1] = i;
if (n > len)
VAL_TUPLE_LEN(pvs->value) = n;
return PE_OK;
}
else {
if (n > 0 && n <= len) {
SET_INTEGER(pvs->store, dat[n - 1]);
return PE_USE_STORE;
}
else return PE_NONE;
}
}
*/ REBINT PD_Tuple(REBPVS *pvs)
/*
** Implements PATH and SET_PATH for tuple.
** Sets DS_TOP if found. Always returns 0.
**
***********************************************************************/
{
REBVAL *val;
REBINT n;
REBINT i;
REBYTE *dat;
REBINT len;
dat = VAL_TUPLE(pvs->value);
len = VAL_TUPLE_LEN(pvs->value);
if (len < 3) len = 3;
n = Get_Num_Arg(pvs->select);
if (NZ(val = pvs->setval)) {
if (n <= 0 || n > MAX_TUPLE) return PE_BAD_SELECT;
if (IS_INTEGER(val) || IS_DECIMAL(val)) i = Int32(val);
else if (IS_NONE(val)) {
n--;
CLEAR(dat+n, MAX_TUPLE-n);
VAL_TUPLE_LEN(pvs->value) = n;
return PE_OK;
}
else return PE_BAD_SET;
if (i < 0) i = 0;
else if (i > 255) i = 255;
dat[n-1] = i;
if (n > len) VAL_TUPLE_LEN(pvs->value) = n;
return PE_OK;
} else {
if (n > 0 && n <= len) {
SET_INTEGER(pvs->store, dat[n-1]);
return PE_USE;
}
else return PE_NONE;
}
}
//
// Poke_Tuple_Immediate: C
//
// !!! Note: In the current implementation, tuples are immediate values.
// So a POKE only changes the `value` in your hand.
//
void Poke_Tuple_Immediate(
REBVAL *value,
const REBVAL *picker,
const REBVAL *poke
) {
REBYTE *dat = VAL_TUPLE(value);
REBINT len = VAL_TUPLE_LEN(value);
if (len < 3)
len = 3;
REBINT n = Get_Num_From_Arg(picker);
if (n <= 0 || n > cast(REBINT, MAX_TUPLE))
fail (Error_Out_Of_Range(picker));
REBINT i;
if (IS_INTEGER(poke) || IS_DECIMAL(poke))
i = Int32(poke);
else if (IS_BLANK(poke)) {
n--;
CLEAR(dat + n, MAX_TUPLE - n);
VAL_TUPLE_LEN(value) = n;
return;
}
else
fail (poke);
if (i < 0)
i = 0;
else if (i > 255)
i = 255;
dat[n - 1] = i;
if (n > len)
VAL_TUPLE_LEN(value) = n;
}
//
// Pick_Tuple: C
//
void Pick_Tuple(REBVAL *out, const REBVAL *value, const REBVAL *picker)
{
const REBYTE *dat = VAL_TUPLE(value);
REBINT len = VAL_TUPLE_LEN(value);
if (len < 3)
len = 3;
REBINT n = Get_Num_From_Arg(picker);
// This uses modulus to avoid having a conditional access into the array,
// which would trigger Spectre mitigation:
//
// https://stackoverflow.com/questions/50399940/
//
// By always accessing the array and always being in bounds, there's no
// speculative execution accessing unbound locations.
//
REBYTE byte = dat[(n - 1) % len];
if (n > 0 and n <= len)
Init_Integer(out, byte);
else
Init_Nulled(out);
}
*/ static REBFLG Set_GOB_Var(REBGOB *gob, REBVAL *word, REBVAL *val)
/*
***********************************************************************/
{
switch (VAL_WORD_CANON(word)) {
case SYM_OFFSET:
return Set_Pair(&(gob->offset), val);
case SYM_SIZE:
return Set_Pair(&gob->size, val);
case SYM_IMAGE:
CLR_GOB_OPAQUE(gob);
if (IS_IMAGE(val)) {
SET_GOB_TYPE(gob, GOBT_IMAGE);
GOB_W(gob) = (REBD32)VAL_IMAGE_WIDE(val);
GOB_H(gob) = (REBD32)VAL_IMAGE_HIGH(val);
GOB_CONTENT(gob) = VAL_SERIES(val);
// if (!VAL_IMAGE_TRANSP(val)) SET_GOB_OPAQUE(gob);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_DRAW:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_DRAW);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_TEXT:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_TEXT);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_STRING(val)) {
SET_GOB_TYPE(gob, GOBT_STRING);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_EFFECT:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_EFFECT);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_COLOR:
CLR_GOB_OPAQUE(gob);
if (IS_TUPLE(val)) {
SET_GOB_TYPE(gob, GOBT_COLOR);
Set_Pixel_Tuple((REBYTE*)&GOB_CONTENT(gob), val);
if (VAL_TUPLE_LEN(val) < 4 || VAL_TUPLE(val)[3] == 0)
SET_GOB_OPAQUE(gob);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
break;
case SYM_PANE:
if (GOB_PANE(gob)) Clear_Series(GOB_PANE(gob));
if (IS_BLOCK(val))
Insert_Gobs(gob, VAL_BLK_DATA(val), 0, VAL_BLK_LEN(val), 0);
else if (IS_GOB(val))
Insert_Gobs(gob, val, 0, 1, 0);
else if (IS_NONE(val))
gob->pane = 0;
else
return FALSE;
break;
case SYM_ALPHA:
GOB_ALPHA(gob) = Clip_Int(Int32(val), 0, 255);
break;
case SYM_DATA:
SET_GOB_DTYPE(gob, GOBD_NONE);
if (IS_OBJECT(val)) {
SET_GOB_DTYPE(gob, GOBD_OBJECT);
SET_GOB_DATA(gob, VAL_OBJ_FRAME(val));
}
else if (IS_BLOCK(val)) {
SET_GOB_DTYPE(gob, GOBD_BLOCK);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_STRING(val)) {
SET_GOB_DTYPE(gob, GOBD_STRING);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_BINARY(val)) {
SET_GOB_DTYPE(gob, GOBD_BINARY);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_INTEGER(val)) {
SET_GOB_DTYPE(gob, GOBD_INTEGER);
SET_GOB_DATA(gob, (void*)(REBIPT)VAL_INT64(val));
}
else if (IS_NONE(val))
SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_FLAGS:
if (IS_WORD(val)) Set_Gob_Flag(gob, val);
else if (IS_BLOCK(val)) {
gob->flags = 0;
for (val = VAL_BLK(val); NOT_END(val); val++) {
if (IS_WORD(val)) Set_Gob_Flag(gob, val);
}
}
break;
case SYM_OWNER:
if (IS_GOB(val))
GOB_TMP_OWNER(gob) = VAL_GOB(val);
else
return FALSE;
break;
default:
return FALSE;
}
return TRUE;
}
//
// MAKE_Tuple: C
//
REB_R MAKE_Tuple(
REBVAL *out,
enum Reb_Kind kind,
const REBVAL *opt_parent,
const REBVAL *arg
){
assert(kind == REB_TUPLE);
if (opt_parent)
fail (Error_Bad_Make_Parent(kind, opt_parent));
if (IS_TUPLE(arg))
return Move_Value(out, arg);
RESET_CELL(out, REB_TUPLE, CELL_MASK_NONE);
REBYTE *vp = VAL_TUPLE(out);
// !!! Net lookup parses IP addresses out of `tcp://93.184.216.34` or
// similar URL!s. In Rebol3 these captures come back the same type
// as the input instead of as STRING!, which was a latent bug in the
// network code of the 12-Dec-2012 release:
//
// https://github.com/rebol/rebol/blob/master/src/mezz/sys-ports.r#L110
//
// All attempts to convert a URL!-flavored IP address failed. Taking
// URL! here fixes it, though there are still open questions.
//
if (IS_TEXT(arg) or IS_URL(arg)) {
REBSIZ size;
const REBYTE *bp
= Analyze_String_For_Scan(&size, arg, MAX_SCAN_TUPLE);
if (Scan_Tuple(out, bp, size) == nullptr)
fail (arg);
return out;
}
if (ANY_ARRAY(arg)) {
REBCNT len = 0;
REBINT n;
RELVAL *item = VAL_ARRAY_AT(arg);
for (; NOT_END(item); ++item, ++vp, ++len) {
if (len >= MAX_TUPLE)
goto bad_make;
if (IS_INTEGER(item)) {
n = Int32(item);
}
else if (IS_CHAR(item)) {
n = VAL_CHAR(item);
}
else
goto bad_make;
if (n > 255 || n < 0)
goto bad_make;
*vp = n;
}
VAL_TUPLE_LEN(out) = len;
for (; len < MAX_TUPLE; len++) *vp++ = 0;
return out;
}
REBCNT alen;
if (IS_ISSUE(arg)) {
REBSTR *spelling = VAL_STRING(arg);
const REBYTE *ap = STR_HEAD(spelling);
size_t size = STR_SIZE(spelling); // UTF-8 len
if (size & 1)
fail (arg); // must have even # of chars
size /= 2;
if (size > MAX_TUPLE)
fail (arg); // valid even for UTF-8
VAL_TUPLE_LEN(out) = size;
for (alen = 0; alen < size; alen++) {
REBYTE decoded;
if ((ap = Scan_Hex2(&decoded, ap)) == NULL)
fail (arg);
*vp++ = decoded;
}
}
else if (IS_BINARY(arg)) {
REBYTE *ap = VAL_BIN_AT(arg);
REBCNT len = VAL_LEN_AT(arg);
if (len > MAX_TUPLE) len = MAX_TUPLE;
VAL_TUPLE_LEN(out) = len;
for (alen = 0; alen < len; alen++) *vp++ = *ap++;
}
else
fail (arg);
for (; alen < MAX_TUPLE; alen++) *vp++ = 0;
return out;
bad_make:
fail (Error_Bad_Make(REB_TUPLE, arg));
}
//
// MAKE_Tuple: C
//
void MAKE_Tuple(REBVAL *out, enum Reb_Kind type, const REBVAL *arg)
{
if (IS_TUPLE(arg)) {
*out = *arg;
return;
}
VAL_RESET_HEADER(out, REB_TUPLE);
REBYTE *vp = VAL_TUPLE(out);
// !!! Net lookup parses IP addresses out of `tcp://93.184.216.34` or
// similar URL!s. In Rebol3 these captures come back the same type
// as the input instead of as STRING!, which was a latent bug in the
// network code of the 12-Dec-2012 release:
//
// https://github.com/rebol/rebol/blob/master/src/mezz/sys-ports.r#L110
//
// All attempts to convert a URL!-flavored IP address failed. Taking
// URL! here fixes it, though there are still open questions.
//
if (IS_STRING(arg) || IS_URL(arg)) {
REBCNT len;
REBYTE *ap = Temp_Byte_Chars_May_Fail(arg, MAX_SCAN_TUPLE, &len, FALSE);
if (Scan_Tuple(ap, len, out))
return;
goto bad_arg;
}
if (ANY_ARRAY(arg)) {
REBCNT len = 0;
REBINT n;
RELVAL *item = VAL_ARRAY_AT(arg);
for (; NOT_END(item); ++item, ++vp, ++len) {
if (len >= MAX_TUPLE) goto bad_make;
if (IS_INTEGER(item)) {
n = Int32(item);
}
else if (IS_CHAR(item)) {
n = VAL_CHAR(item);
}
else
goto bad_make;
if (n > 255 || n < 0) goto bad_make;
*vp = n;
}
VAL_TUPLE_LEN(out) = len;
for (; len < MAX_TUPLE; len++) *vp++ = 0;
return;
}
REBCNT alen;
if (IS_ISSUE(arg)) {
REBUNI c;
const REBYTE *ap = VAL_WORD_HEAD(arg);
REBCNT len = LEN_BYTES(ap); // UTF-8 len
if (len & 1) goto bad_arg; // must have even # of chars
len /= 2;
if (len > MAX_TUPLE) goto bad_arg; // valid even for UTF-8
VAL_TUPLE_LEN(out) = len;
for (alen = 0; alen < len; alen++) {
const REBOOL unicode = FALSE;
if (!Scan_Hex2(ap, &c, unicode)) goto bad_arg;
*vp++ = cast(REBYTE, c);
ap += 2;
}
}
else if (IS_BINARY(arg)) {
REBYTE *ap = VAL_BIN_AT(arg);
REBCNT len = VAL_LEN_AT(arg);
if (len > MAX_TUPLE) len = MAX_TUPLE;
VAL_TUPLE_LEN(out) = len;
for (alen = 0; alen < len; alen++) *vp++ = *ap++;
}
else goto bad_arg;
for (; alen < MAX_TUPLE; alen++) *vp++ = 0;
return;
bad_arg:
fail (Error_Invalid_Arg(arg));
bad_make:
fail (Error_Bad_Make(REB_TUPLE, arg));
}
*/ REBYTE *Security_Policy(REBCNT sym, REBVAL *name)
/*
** Given a security symbol (like FILE) and a value (like the file
** path) returns the security policy (RWX) allowed for it.
**
** Args:
**
** sym: word that represents the type ['file 'net]
** name: file or path value
**
** Returns BTYE array of flags for the policy class:
**
** flags: [rrrr wwww xxxx ----]
**
** Where each byte is:
** 0: SEC_ALLOW
** 1: SEC_ASK
** 2: SEC_THROW
** 3: SEC_QUIT
**
** The secuity is defined by the system/state/policies object, that
** is of the form:
**
** [
** file: [%file1 tuple-flags %file2 ... default tuple-flags]
** net: [...]
** call: tuple-flags
** stack: tuple-flags
** eval: integer (limit)
** ]
**
***********************************************************************/
{
REBVAL *policy = Get_System(SYS_STATE, STATE_POLICIES);
REBYTE *flags;
REBCNT len;
REBCNT errcode = RE_SECURITY_ERROR;
if (!IS_OBJECT(policy)) goto error;
// Find the security class in the block: (file net call...)
policy = Find_Word_Value(VAL_OBJ_FRAME(policy), sym);
if (!policy) goto error;
// Obtain the policies for it:
// Check for a master tuple: [file rrrr.wwww.xxxx]
if (IS_TUPLE(policy)) return VAL_TUPLE(policy); // non-aligned
// removed A90: if (IS_INTEGER(policy)) return (REBYTE*)VAL_INT64(policy); // probably not used
// Only other form is detailed block:
if (!IS_BLOCK(policy)) goto error;
// Scan block of policies for the class: [file [allow read quit write]]
len = 0; // file or url length
flags = 0; // policy flags
for (policy = VAL_BLK(policy); NOT_END(policy); policy += 2) {
// Must be a policy tuple:
if (!IS_TUPLE(policy+1)) goto error;
// Is it a policy word:
if (IS_WORD(policy)) { // any word works here
// If no strings found, use the default:
if (len == 0) flags = VAL_TUPLE(policy+1); // non-aligned
}
// Is it a string (file or URL):
else if (ANY_BINSTR(policy) && name) {
//Debug_Fmt("sec: %r %r", policy, name);
if (Match_Sub_Path(VAL_SERIES(policy), VAL_SERIES(name))) {
// Is the match adequate?
if (VAL_TAIL(name) >= len) {
len = VAL_TAIL(name);
flags = VAL_TUPLE(policy+1); // non-aligned
}
}
}
else goto error;
}
if (!flags) {
errcode = RE_SECURITY;
policy = name ? name : 0;
error:
if (!policy) {
Init_Word(DS_TOP, sym);
policy = DS_TOP;
}
Trap1(errcode, policy);
}
return flags;
}
//
// Transport_Actor: C
//
static REB_R Transport_Actor(struct Reb_Call *call_, REBSER *port, REBCNT action, enum Transport_Types proto)
{
REBREQ *sock; // IO request
REBVAL *spec; // port spec
REBVAL *arg; // action argument value
REBVAL *val; // e.g. port number value
REBINT result; // IO result
REBCNT refs; // refinement argument flags
REBCNT len; // generic length
REBSER *ser; // simplifier
Validate_Port(port, action);
*D_OUT = *D_ARG(1);
arg = DS_ARGC > 1 ? D_ARG(2) : NULL;
sock = cast(REBREQ*, Use_Port_State(port, RDI_NET, sizeof(*sock)));
if (proto == TRANSPORT_UDP) {
SET_FLAG(sock->modes, RST_UDP);
}
//Debug_Fmt("Sock: %x", sock);
spec = OFV(port, STD_PORT_SPEC);
if (!IS_OBJECT(spec)) fail (Error(RE_INVALID_PORT));
// sock->timeout = 4000; // where does this go? !!!
// HOW TO PREVENT OVERWRITE DURING BUSY OPERATION!!!
// Should it just ignore it or cause an error?
// Actions for an unopened socket:
if (!IS_OPEN(sock)) {
switch (action) { // Ordered by frequency
case A_OPEN:
arg = Obj_Value(spec, STD_PORT_SPEC_NET_HOST);
val = Obj_Value(spec, STD_PORT_SPEC_NET_PORT_ID);
if (OS_DO_DEVICE(sock, RDC_OPEN))
fail (Error_On_Port(RE_CANNOT_OPEN, port, -12));
SET_OPEN(sock);
// Lookup host name (an extra TCP device step):
if (IS_STRING(arg)) {
sock->common.data = VAL_BIN(arg);
sock->special.net.remote_port = IS_INTEGER(val) ? VAL_INT32(val) : 80;
result = OS_DO_DEVICE(sock, RDC_LOOKUP); // sets remote_ip field
if (result < 0)
fail (Error_On_Port(RE_NO_CONNECT, port, sock->error));
return R_OUT;
}
// Host IP specified:
else if (IS_TUPLE(arg)) {
sock->special.net.remote_port = IS_INTEGER(val) ? VAL_INT32(val) : 80;
memcpy(&sock->special.net.remote_ip, VAL_TUPLE(arg), 4);
break;
}
// No host, must be a LISTEN socket:
else if (IS_NONE(arg)) {
SET_FLAG(sock->modes, RST_LISTEN);
sock->common.data = 0; // where ACCEPT requests are queued
sock->special.net.local_port = IS_INTEGER(val) ? VAL_INT32(val) : 8000;
break;
}
else
fail (Error_On_Port(RE_INVALID_SPEC, port, -10));
case A_CLOSE:
return R_OUT;
case A_OPENQ:
return R_FALSE;
case A_UPDATE: // allowed after a close
break;
default:
fail (Error_On_Port(RE_NOT_OPEN, port, -12));
}
}
// Actions for an open socket:
switch (action) { // Ordered by frequency
case A_UPDATE:
// Update the port object after a READ or WRITE operation.
// This is normally called by the WAKE-UP function.
arg = OFV(port, STD_PORT_DATA);
if (sock->command == RDC_READ) {
if (ANY_BINSTR(arg)) VAL_TAIL(arg) += sock->actual;
}
else if (sock->command == RDC_WRITE) {
SET_NONE(arg); // Write is done.
}
return R_NONE;
case A_READ:
// Read data into a buffer, expanding the buffer if needed.
// If no length is given, program must stop it at some point.
refs = Find_Refines(call_, ALL_READ_REFS);
if (
!GET_FLAG(sock->modes, RST_UDP)
&& !GET_FLAG(sock->state, RSM_CONNECT)
) {
fail (Error_On_Port(RE_NOT_CONNECTED, port, -15));
}
// Setup the read buffer (allocate a buffer if needed):
arg = OFV(port, STD_PORT_DATA);
if (!IS_STRING(arg) && !IS_BINARY(arg)) {
Val_Init_Binary(arg, Make_Binary(NET_BUF_SIZE));
}
ser = VAL_SERIES(arg);
sock->length = SERIES_AVAIL(ser); // space available
if (sock->length < NET_BUF_SIZE/2) Extend_Series(ser, NET_BUF_SIZE);
sock->length = SERIES_AVAIL(ser);
sock->common.data = STR_TAIL(ser); // write at tail
//if (SERIES_TAIL(ser) == 0)
sock->actual = 0; // Actual for THIS read, not for total.
//Print("(max read length %d)", sock->length);
result = OS_DO_DEVICE(sock, RDC_READ); // recv can happen immediately
if (result < 0) fail (Error_On_Port(RE_READ_ERROR, port, sock->error));
break;
case A_WRITE:
// Write the entire argument string to the network.
// The lower level write code continues until done.
refs = Find_Refines(call_, ALL_WRITE_REFS);
if (!GET_FLAG(sock->modes, RST_UDP)
&& !GET_FLAG(sock->state, RSM_CONNECT))
fail (Error_On_Port(RE_NOT_CONNECTED, port, -15));
// Determine length. Clip /PART to size of string if needed.
spec = D_ARG(2);
len = VAL_LEN(spec);
if (refs & AM_WRITE_PART) {
REBCNT n = Int32s(D_ARG(ARG_WRITE_LIMIT), 0);
if (n <= len) len = n;
}
// Setup the write:
*OFV(port, STD_PORT_DATA) = *spec; // keep it GC safe
sock->length = len;
sock->common.data = VAL_BIN_DATA(spec);
sock->actual = 0;
//Print("(write length %d)", len);
result = OS_DO_DEVICE(sock, RDC_WRITE); // send can happen immediately
if (result < 0) fail (Error_On_Port(RE_WRITE_ERROR, port, sock->error));
if (result == DR_DONE) SET_NONE(OFV(port, STD_PORT_DATA));
break;
case A_PICK:
// FIRST server-port returns new port connection.
len = Get_Num_Arg(arg); // Position
if (len == 1 && GET_FLAG(sock->modes, RST_LISTEN) && sock->common.data)
Accept_New_Port(D_OUT, port, sock); // sets D_OUT
else
fail (Error_Out_Of_Range(arg));
break;
case A_QUERY:
// Get specific information - the scheme's info object.
// Special notation allows just getting part of the info.
Ret_Query_Net(port, sock, D_OUT);
break;
case A_OPENQ:
// Connect for clients, bind for servers:
if (sock->state & ((1<<RSM_CONNECT) | (1<<RSM_BIND))) return R_TRUE;
return R_FALSE;
case A_CLOSE:
if (IS_OPEN(sock)) {
OS_DO_DEVICE(sock, RDC_CLOSE);
SET_CLOSED(sock);
}
break;
case A_LENGTH:
arg = OFV(port, STD_PORT_DATA);
len = ANY_SERIES(arg) ? VAL_TAIL(arg) : 0;
SET_INTEGER(D_OUT, len);
break;
case A_OPEN:
result = OS_DO_DEVICE(sock, RDC_CONNECT);
if (result < 0)
fail (Error_On_Port(RE_NO_CONNECT, port, sock->error));
break;
case A_DELETE: // Temporary to TEST error handler!
{
REBVAL *event = Append_Event(); // sets signal
VAL_SET(event, REB_EVENT); // (has more space, if we need it)
VAL_EVENT_TYPE(event) = EVT_ERROR;
VAL_EVENT_DATA(event) = 101;
VAL_EVENT_REQ(event) = sock;
}
break;
default:
fail (Error_Illegal_Action(REB_PORT, action));
}
return R_OUT;
}
*/ REBINT Text_Gob(void *richtext, REBSER *block)
/*
** Handles all commands for the TEXT dialect as specified
** in the system/dialects/text object.
**
** This function calls the REBOL_Dialect interpreter to
** parse the dialect and build and return the command number
** (the index offset in the text object above) and a block
** of arguments. (For now, just a REBOL block, but this could
** be changed to isolate it from changes in REBOL's internals).
**
** Each arg will be of the specified datatype (given in the
** dialect) or NONE when no argument of that type was given
** and this code must determine the proper default value.
**
** If the cmd result is zero, then it is either the end of
** the block, or an error has occurred. If the error value
** is non-zero, then it was an error.
**
***********************************************************************/
{
REBCNT index = 0;
REBINT cmd;
REBSER *args = 0;
REBVAL *arg;
REBCNT nargs;
//font object conversion related values
REBFNT* font;
REBVAL* val;
REBPAR offset;
REBPAR space;
//para object conversion related values
REBPRA* para;
REBPAR origin;
REBPAR margin;
REBPAR indent;
REBPAR scroll;
do {
cmd = Reb_Dialect(DIALECTS_TEXT, block, &index, &args);
if (cmd == 0) return 0;
if (cmd < 0) {
// Reb_Print("ERROR: %d, Index %d", -cmd, index);
return -((REBINT)index+1);
}
// else
// Reb_Print("TEXT: Cmd %d, Index %d, Args %m", cmd, index, args);
arg = BLK_HEAD(args);
nargs = SERIES_TAIL(args);
// Reb_Print("Number of args: %d", nargs);
switch (cmd) {
case TW_TYPE_SPEC:
if (IS_STRING(arg)) {
rt_text(richtext, ARG_STRING(0), index);
} else if (IS_TUPLE(arg)) {
rt_color(richtext, ARG_TUPLE(0));
}
break;
case TW_ANTI_ALIAS:
rt_anti_alias(richtext, ARG_OPT_LOGIC(0));
break;
case TW_SCROLL:
rt_scroll(richtext, ARG_PAIR(0));
break;
case TW_BOLD:
case TW_B:
rt_bold(richtext, ARG_OPT_LOGIC(0));
break;
case TW_ITALIC:
case TW_I:
rt_italic(richtext, ARG_OPT_LOGIC(0));
break;
case TW_UNDERLINE:
case TW_U:
rt_underline(richtext, ARG_OPT_LOGIC(0));
break;
case TW_CENTER:
rt_center(richtext);
break;
case TW_LEFT:
rt_left(richtext);
break;
case TW_RIGHT:
rt_right(richtext);
break;
case TW_FONT:
if (!IS_OBJECT(arg)) break;
font = (REBFNT*)rt_get_font(richtext);
val = BLK_HEAD(ARG_OBJECT(0))+1;
if (IS_STRING(val)) {
font->name = VAL_STRING(val);
}
// Reb_Print("font/name: %s", font->name);
val++;
if (IS_BLOCK(val)) {
REBSER* styles = VAL_SERIES(val);
REBVAL* slot = BLK_HEAD(styles);
REBCNT len = SERIES_TAIL(styles) ,i;
for (i = 0;i<len;i++){
if (IS_WORD(slot+i)){
set_font_styles(font, slot+i);
}
}
} else if (IS_WORD(val)) {
set_font_styles(font, val);
}
val++;
if (IS_INTEGER(val)) {
font->size = VAL_INT32(val);
}
// Reb_Print("font/size: %d", font->size);
val++;
if ((IS_TUPLE(val)) || (IS_NONE(val))) {
COPY_MEM(font->color,VAL_TUPLE(val), 4);
}
// Reb_Print("font/color: %d.%d.%d.%d", font->color[0],font->color[1],font->color[2],font->color[3]);
val++;
if ((IS_PAIR(val)) || (IS_NONE(val))) {
offset = VAL_PAIR(val);
font->offset_x = offset.x;
font->offset_y = offset.y;
}
// Reb_Print("font/offset: %dx%d", offset.x,offset.y);
val++;
if ((IS_PAIR(val)) || (IS_NONE(val))) {
space = VAL_PAIR(val);
font->space_x = space.x;
font->space_y = space.y;
}
// Reb_Print("font/space: %dx%d", space.x, space.y);
val++;
font->shadow_x = 0;
font->shadow_y = 0;
if (IS_BLOCK(val)) {
REBSER* ser = VAL_SERIES(val);
REBVAL* slot = BLK_HEAD(ser);
REBCNT len = SERIES_TAIL(ser) ,i;
for (i = 0;i<len;i++){
if (IS_PAIR(slot)) {
REBPAR shadow = VAL_PAIR(slot);
font->shadow_x = shadow.x;
font->shadow_y = shadow.y;
} else if (IS_TUPLE(slot)) {
COPY_MEM(font->shadow_color,VAL_TUPLE(slot), 4);
} else if (IS_INTEGER(slot)) {
font->shadow_blur = VAL_INT32(slot);
}
slot++;
}
} else if (IS_PAIR(val)) {
REBPAR shadow = VAL_PAIR(val);
font->shadow_x = shadow.x;
font->shadow_y = shadow.y;
}
rt_font(richtext, font);
break;
case TW_PARA:
if (!IS_OBJECT(arg)) break;
para = (REBPRA*)rt_get_para(richtext);
val = BLK_HEAD(ARG_OBJECT(0))+1;
if (IS_PAIR(val)) {
origin = VAL_PAIR(val);
para->origin_x = origin.x;
para->origin_y = origin.y;
}
// Reb_Print("para/origin: %dx%d", origin.x, origin.y);
val++;
if (IS_PAIR(val)) {
margin = VAL_PAIR(val);
para->margin_x = margin.x;
para->margin_y = margin.y;
}
// Reb_Print("para/margin: %dx%d", margin.x, margin.y);
val++;
if (IS_PAIR(val)) {
indent = VAL_PAIR(val);
para->indent_x = indent.x;
para->indent_y = indent.y;
}
// Reb_Print("para/indent: %dx%d", indent.x, indent.y);
val++;
if (IS_INTEGER(val)) {
para->tabs = VAL_INT32(val);
}
// Reb_Print("para/tabs: %d", para->tabs);
val++;
if (IS_LOGIC(val)) {
para->wrap = VAL_LOGIC(val);
}
// Reb_Print("para/wrap?: %d", para->wrap);
val++;
if (IS_PAIR(val)) {
scroll = VAL_PAIR(val);
para->scroll_x = scroll.x;
para->scroll_y = scroll.y;
}
// Reb_Print("para/scroll: %dx%d", scroll.x, scroll.y);
val++;
if (IS_WORD(val)) {
REBINT result = Reb_Find_Word(VAL_WORD_SYM(val), Symbol_Ids, 0);
switch (result){
case SW_RIGHT:
case SW_LEFT:
case SW_CENTER:
para->align = result;
break;
default:
para->align = SW_LEFT;
break;
}
}
val++;
if (IS_WORD(val)) {
REBINT result = Reb_Find_Word(VAL_WORD_SYM(val), Symbol_Ids, 0);
switch (result){
case SW_TOP:
case SW_BOTTOM:
case SW_MIDDLE:
para->valign = result;
break;
default:
para->valign = SW_TOP;
break;
}
}
rt_para(richtext, para);
break;
case TW_SIZE:
rt_font_size(richtext, ARG_INTEGER(0));
break;
case TW_SHADOW:
rt_shadow(richtext, &ARG_PAIR(0), ARG_TUPLE(1), ARG_INTEGER(2));
break;
case TW_DROP:
rt_drop(richtext, ARG_OPT_INTEGER(0));
break;
case TW_NEWLINE:
case TW_NL:
rt_newline(richtext, index);
break;
case TW_CARET:
{
REBPAR caret = {0,0};
REBPAR highlightStart = {0,0};
REBPAR highlightEnd = {0,0};
REBVAL *slot;
if (!IS_OBJECT(arg)) break;
val = BLK_HEAD(ARG_OBJECT(0))+1;
if (IS_BLOCK(val)) {
slot = BLK_HEAD(VAL_SERIES(val));
if (SERIES_TAIL(VAL_SERIES(val)) == 2 && IS_BLOCK(slot) && IS_STRING(slot+1)){
caret.x = 1 + slot->data.series.index;
caret.y = 1 + (slot+1)->data.series.index;;
//Reb_Print("caret %d, %d", caret.x, caret.y);
}
}
val++;
if (IS_BLOCK(val)) {
slot = BLK_HEAD(VAL_SERIES(val));
if (SERIES_TAIL(VAL_SERIES(val)) == 2 && IS_BLOCK(slot) && IS_STRING(slot+1)){
highlightStart.x = 1 + slot->data.series.index;
highlightStart.y = 1 + (slot+1)->data.series.index;;
//Reb_Print("highlight-start %d, %d", highlightStart.x, highlightStart.y);
}
}
val++;
if (IS_BLOCK(val)) {
slot = BLK_HEAD(VAL_SERIES(val));
if (SERIES_TAIL(VAL_SERIES(val)) == 2 && IS_BLOCK(slot) && IS_STRING(slot+1)){
highlightEnd.x = 1 + slot->data.series.index;
highlightEnd.y = 1 + (slot+1)->data.series.index;;
//Reb_Print("highlight-End %d, %d", highlightEnd.x, highlightEnd.y);
}
}
rt_caret(richtext, &caret, &highlightStart,&highlightEnd);
}
break;
}
} while (TRUE);
}
*/ static REBFLG Set_GOB_Var(REBGOB *gob, REBVAL *word, REBVAL *val)
/*
***********************************************************************/
{
REBVAL *spec;
REBVAL *hndl;
switch (VAL_WORD_CANON(word)) {
case SYM_OFFSET:
return Set_Pair(&(gob->offset), val);
case SYM_SIZE:
return Set_Pair(&gob->size, val);
case SYM_IMAGE:
CLR_GOB_OPAQUE(gob);
if (IS_IMAGE(val)) {
SET_GOB_TYPE(gob, GOBT_IMAGE);
GOB_W(gob) = (REBD32)VAL_IMAGE_WIDE(val);
GOB_H(gob) = (REBD32)VAL_IMAGE_HIGH(val);
GOB_CONTENT(gob) = VAL_SERIES(val);
// if (!VAL_IMAGE_TRANSP(val)) SET_GOB_OPAQUE(gob);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
#ifdef HAS_WIDGET_GOB
case SYM_WIDGET:
//printf("WIDGET GOB\n");
SET_GOB_TYPE(gob, GOBT_WIDGET);
SET_GOB_OPAQUE(gob);
GOB_CONTENT(gob) = Make_Block(4); // [handle type spec data]
hndl = Append_Value(GOB_CONTENT(gob));
Append_Value(GOB_CONTENT(gob)); // used to cache type on host's side
spec = Append_Value(GOB_CONTENT(gob));
Append_Value(GOB_CONTENT(gob)); // used to cache result data
SET_HANDLE(hndl, 0, SYM_WIDGET, 0);
if (IS_WORD(val) || IS_LIT_WORD(val)) {
Set_Block(spec, Make_Block(1));
Append_Val(VAL_SERIES(spec), val);
}
else if (IS_BLOCK(val)) {
Set_Block(spec, VAL_SERIES(val));
}
else return FALSE;
break;
#endif // HAS_WIDGET_GOB
case SYM_DRAW:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_DRAW);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_TEXT:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_TEXT);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_STRING(val)) {
SET_GOB_TYPE(gob, GOBT_STRING);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_EFFECT:
CLR_GOB_OPAQUE(gob);
if (IS_BLOCK(val)) {
SET_GOB_TYPE(gob, GOBT_EFFECT);
GOB_CONTENT(gob) = VAL_SERIES(val);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
break;
case SYM_COLOR:
CLR_GOB_OPAQUE(gob);
if (IS_TUPLE(val)) {
SET_GOB_TYPE(gob, GOBT_COLOR);
Set_Pixel_Tuple((REBYTE*)&GOB_CONTENT(gob), val);
if (VAL_TUPLE_LEN(val) < 4 || VAL_TUPLE(val)[3] == 255)
SET_GOB_OPAQUE(gob);
}
else if (IS_NONE(val)) SET_GOB_TYPE(gob, GOBT_NONE);
break;
case SYM_PANE:
if (GOB_PANE(gob)) Clear_Series(GOB_PANE(gob));
if (IS_BLOCK(val))
Insert_Gobs(gob, VAL_BLK_DATA(val), 0, VAL_BLK_LEN(val), 0);
else if (IS_GOB(val))
Insert_Gobs(gob, val, 0, 1, 0);
else if (IS_NONE(val))
gob->pane = 0;
else
return FALSE;
break;
case SYM_ALPHA:
GOB_ALPHA(gob) = Clip_Int(Int32(val), 0, 255);
break;
case SYM_DATA:
#ifdef HAS_WIDGET_GOB
if (GOB_TYPE(gob) == GOBT_WIDGET) {
OS_SET_WIDGET_DATA(gob, val);
} else {
#endif
SET_GOB_DTYPE(gob, GOBD_NONE);
if (IS_OBJECT(val)) {
SET_GOB_DTYPE(gob, GOBD_OBJECT);
SET_GOB_DATA(gob, VAL_OBJ_FRAME(val));
}
else if (IS_BLOCK(val)) {
SET_GOB_DTYPE(gob, GOBD_BLOCK);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_STRING(val)) {
SET_GOB_DTYPE(gob, GOBD_STRING);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_BINARY(val)) {
SET_GOB_DTYPE(gob, GOBD_BINARY);
SET_GOB_DATA(gob, VAL_SERIES(val));
}
else if (IS_INTEGER(val)) {
SET_GOB_DTYPE(gob, GOBD_INTEGER);
SET_GOB_DATA(gob, (void*)(REBIPT)VAL_INT64(val));
}
else if (IS_NONE(val))
SET_GOB_TYPE(gob, GOBT_NONE);
else return FALSE;
#ifdef HAS_WIDGET_GOB
}
#endif
break;
case SYM_FLAGS:
if (IS_WORD(val)) Set_Gob_Flag(gob, val);
else if (IS_BLOCK(val)) {
gob->flags = 0;
for (val = VAL_BLK(val); NOT_END(val); val++) {
if (IS_WORD(val)) Set_Gob_Flag(gob, val);
}
}
break;
case SYM_OWNER:
if (IS_GOB(val))
GOB_TMP_OWNER(gob) = VAL_GOB(val);
else
return FALSE;
break;
default:
return FALSE;
}
return TRUE;
}
static REBSER *make_binary(REBVAL *arg, REBOOL make)
{
REBSER *ser;
// MAKE BINARY! 123
switch (VAL_TYPE(arg)) {
case REB_INTEGER:
case REB_DECIMAL:
if (make) ser = Make_Binary(Int32s(arg, 0));
else ser = Make_Binary_BE64(arg);
break;
// MAKE/TO BINARY! BINARY!
case REB_BINARY:
ser = Copy_Bytes(VAL_BIN_DATA(arg), VAL_LEN(arg));
break;
// MAKE/TO BINARY! <any-string>
case REB_STRING:
case REB_FILE:
case REB_EMAIL:
case REB_URL:
case REB_TAG:
// case REB_ISSUE:
ser = Encode_UTF8_Value(arg, VAL_LEN(arg), 0);
break;
case REB_BLOCK:
ser = Join_Binary(arg);
break;
// MAKE/TO BINARY! <tuple!>
case REB_TUPLE:
ser = Copy_Bytes(VAL_TUPLE(arg), VAL_TUPLE_LEN(arg));
break;
// MAKE/TO BINARY! <char!>
case REB_CHAR:
ser = Make_Binary(6);
ser->tail = Encode_UTF8_Char(BIN_HEAD(ser), VAL_CHAR(arg));
break;
// MAKE/TO BINARY! <bitset!>
case REB_BITSET:
ser = Copy_Bytes(VAL_BIN(arg), VAL_TAIL(arg));
break;
// MAKE/TO BINARY! <image!>
case REB_IMAGE:
ser = Make_Image_Binary(arg);
break;
case REB_MONEY:
ser = Make_Binary(12);
ser->tail = 12;
deci_to_binary(ser->data, VAL_DECI(arg));
ser->data[12] = 0;
break;
default:
ser = 0;
}
return ser;
}
static REBSER *make_binary(const REBVAL *arg, REBOOL make)
{
REBSER *ser;
// MAKE BINARY! 123
switch (VAL_TYPE(arg)) {
case REB_INTEGER:
case REB_DECIMAL:
if (make) ser = Make_Binary(Int32s(arg, 0));
else ser = Make_Binary_BE64(arg);
break;
// MAKE/TO BINARY! BINARY!
case REB_BINARY:
ser = Copy_Bytes(VAL_BIN_AT(arg), VAL_LEN_AT(arg));
break;
// MAKE/TO BINARY! <any-string>
case REB_STRING:
case REB_FILE:
case REB_EMAIL:
case REB_URL:
case REB_TAG:
// case REB_ISSUE:
ser = Make_UTF8_From_Any_String(arg, VAL_LEN_AT(arg), 0);
break;
case REB_BLOCK:
// Join_Binary returns a shared buffer, so produce a copy:
ser = Copy_Sequence(Join_Binary(arg, -1));
break;
// MAKE/TO BINARY! <tuple!>
case REB_TUPLE:
ser = Copy_Bytes(VAL_TUPLE(arg), VAL_TUPLE_LEN(arg));
break;
// MAKE/TO BINARY! <char!>
case REB_CHAR:
ser = Make_Binary(6);
TERM_SEQUENCE_LEN(ser, Encode_UTF8_Char(BIN_HEAD(ser), VAL_CHAR(arg)));
break;
// MAKE/TO BINARY! <bitset!>
case REB_BITSET:
ser = Copy_Bytes(VAL_BIN(arg), VAL_LEN_HEAD(arg));
break;
// MAKE/TO BINARY! <image!>
case REB_IMAGE:
ser = Make_Image_Binary(arg);
break;
case REB_MONEY:
ser = Make_Binary(12);
deci_to_binary(BIN_HEAD(ser), VAL_MONEY_AMOUNT(arg));
TERM_SEQUENCE_LEN(ser, 12);
break;
default:
ser = 0;
}
return ser;
}
