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#include "ostream.ih"
static size_t s_last_line;
static bool s_errors;
void ostream_insert(register Ostream *ostream, char const *str)
{
if (s_errors) /* return on errors */
return;
if (message_errors()) /* repeatedly done on errors */
{ /* but that's ok */
s_errors = true;
return;
}
if (!*str) /* no string, nogo */
{
if (message_show(MSG_DEBUG))
message("INSERT: <nothing>");
return;
}
if (message_show(MSG_DEBUG))
message("INSERT \"%s\"", str);
if (ostream->d_trace)
fprintf(stderr, "%s", str);
if (ostream->d_ws_only)
{
String out;
bool non_ws;
string_construct(&out, str);
/* Ugly semantics, but it means: */
/* true if there are any non-white */
/* white-space in `out' */
/* we did not fail to find the first non-ws */
non_ws = string_find_first_not_of(&out, isspace) != UFAILED;
if (non_ws) /* If we did find NON-ws chars here */
{
if (s_last_line != message_lineno())
{
s_last_line = message_lineno();
warning("IGNORED unexpected non-whitespace text `%s'",
string_str(&out));
}
string_destruct(&out);
return; /* ignore the cargo if it contains */
/* non-ws */
}
string_destruct(&out);
}
o_output(ostream, str);
}
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