/*
* Main function
*
* The return value determines the result length (kept in the target buffer).
* However, if the target buffer is too small, the return value is greater
* than tlength. The difference to tlength is the number of unconsumed source
* characters at the time the buffer was full. In this case you should resize
* the target buffer to the return value and call rcssmin again. Repeat as
* often as needed.
*/
static Py_ssize_t
rcssmin(const rchar *source, rchar *target, Py_ssize_t slength,
Py_ssize_t tlength, int keep_bang_comments)
{
rcssmin_ctx_t ctx_, *ctx = &ctx_;
const rchar *tstart = target;
rchar c;
ctx->start = source;
ctx->sentinel = source + slength;
ctx->tsentinel = target + tlength;
ctx->at_group = 0;
ctx->in_macie5 = 0;
ctx->in_rule = 0;
ctx->keep_bang_comments = keep_bang_comments;
while (source < ctx->sentinel && target < ctx->tsentinel) {
c = *source++;
if (RCSSMIN_IS_DULL(c)) {
*target++ = c;
continue;
}
else if (RCSSMIN_IS_SPACE(c)) {
copy_space(&source, &target, ctx, NEED_SPACE_MAYBE);
continue;
}
switch (c) {
/* Escape */
case U('\\'):
copy_escape(&source, &target, ctx);
continue;
/* String */
case U('"'): case U('\''):
copy_string(&source, &target, ctx);
continue;
/* URL */
case U('u'):
copy_url(&source, &target, ctx);
continue;
/* IE7hack */
case U('>'):
copy_ie7hack(&source, &target, ctx);
continue;
/* @-group */
case U('@'):
copy_at_group(&source, &target, ctx);
continue;
/* ; */
case U(';'):
copy_semicolon(&source, &target, ctx);
continue;
/* :first-line|letter followed by [{,] */
/* (apparently needed for IE6) */
case U(':'):
copy_first(&source, &target, ctx);
continue;
/* { */
case U('{'):
if (ctx->at_group)
--ctx->at_group;
else
++ctx->in_rule;
*target++ = c;
continue;
/* } */
case U('}'):
if (ctx->in_rule)
--ctx->in_rule;
*target++ = c;
continue;
/* space starting with comment */
case U('/'):
(void)copy_space_comment(&source, &target, ctx, NEED_SPACE_MAYBE);
continue;
/* Fallback: copy character. Better safe than sorry. Should not be
* reached, though */
default:
*target++ = c;
continue;
}
}
return
(Py_ssize_t)(target - tstart) + (Py_ssize_t)(ctx->sentinel - source);
}
/**********************************************************************
* r e v e r s e
*
* Create a new list with the elements reversed. The old list is not
* destroyed.
**********************************************************************/
LIST reverse(LIST list) {
LIST newlist = NIL_LIST;
iterate (list) copy_first (list, newlist);
return (newlist);
}
void handle_key(XKeyEvent ke) {
FcChar8 buf[32];
int len, n;
KeySym keysym = NoSymbol;
Status status;
option *o;
len = XmbLookupString(xic, &ke, buf, sizeof(buf),
&keysym, &status);
if (status == XBufferOverflow)
return;
if (ke.state & ControlMask) {
switch(keysym) {
case XK_a:
keysym = XK_Home;
break;
case XK_e:
keysym = XK_End;
break;
case XK_p:
keysym = XK_Up;
break;
case XK_n:
keysym = XK_Down;
break;
case XK_f:
keysym = XK_Right;
break;
case XK_b:
keysym = XK_Left;
break;
case XK_d:
keysym = XK_Delete;
break;
case XK_bracketleft:
keysym = XK_Escape;
break;
case XK_k:
text[cursor] = '\0';
break;
case XK_u:
for (n = cursor; cursor < MAX_LEN; cursor++)
text[cursor - n] = text[cursor];
cursor = 0;
update_valid_options();
return;
}
}
if (text_input) {
switch(keysym) {
default:
if (!iscntrl(*buf)) {
insert(buf, len);
update_valid_options();
}
break;
case XK_Delete:
if (text[cursor] == '\0') break;
cursor = nextrune(+1);
/* Fall through to backspace */
case XK_BackSpace:
if (cursor == 0)
exit(0);
insert(NULL, nextrune(-1) - cursor);
update_valid_options();
break;
case XK_Tab:
copy_first();
break;
case XK_Left:
if (cursor != 0)
cursor = nextrune(-1);
break;
case XK_Right:
if (text[cursor] != '\0')
cursor = nextrune(+1);
break;
case XK_Home:
cursor = 0;
break;
case XK_End:
while (text[cursor] != '\0')
cursor = nextrune(+1);
}
}
switch(keysym) {
case XK_Up:
if (valid->prev)
valid = valid->prev;
else
for (;
valid && valid->next;
valid = valid->next);
break;
case XK_Down:
if (valid->next)
valid = valid->next;
else
for (;
valid && valid->prev;
valid = valid->prev);
break;
case XK_Return:
finish();
break;
case XK_Escape:
exit(1);
break;
}
if (exit_on_one) {
for (n = 0, o = valid; o; o = o->next) n++;
if (n == 1) finish();
}
}
