/* Move to the beginning of the prompt text. If the SMART_HOME flag is
* set, move to the first non-whitespace character of the prompt text if
* we're not already there, or to the beginning of the prompt text if we
* are. */
void do_statusbar_home(void)
{
size_t pww_save = statusbar_pww;
#ifndef NANO_TINY
if (ISSET(SMART_HOME)) {
size_t statusbar_x_save = statusbar_x;
statusbar_x = indent_length(answer);
if (statusbar_x == statusbar_x_save ||
statusbar_x == strlen(answer))
statusbar_x = 0;
statusbar_pww = statusbar_xplustabs();
} else {
#endif
statusbar_x = 0;
statusbar_pww = statusbar_xplustabs();
#ifndef NANO_TINY
}
#endif
if (need_statusbar_horizontal_update(pww_save))
update_statusbar_line(answer, statusbar_x);
}
/* Move to the beginning of the current line. If the SMART_HOME flag is
* set, move to the first non-whitespace character of the current line
* if we aren't already there, or to the beginning of the current line
* if we are. */
void do_home(void)
{
size_t pww_save = openfile->placewewant;
#ifndef NANO_TINY
if (ISSET(SMART_HOME)) {
size_t current_x_save = openfile->current_x;
openfile->current_x = indent_length(openfile->current->data);
if (openfile->current_x == current_x_save ||
openfile->current->data[openfile->current_x] == '\0')
openfile->current_x = 0;
openfile->placewewant = xplustabs();
} else {
#endif
openfile->current_x = 0;
openfile->placewewant = 0;
#ifndef NANO_TINY
}
#endif
if (need_horizontal_update(pww_save))
update_line(openfile->current, openfile->current_x);
}
/* Move to the beginning of the current line. If the SMART_HOME flag is
* set, move to the first non-whitespace character of the current line
* if we aren't already there, or to the beginning of the current line
* if we are. */
void do_home(void)
{
size_t was_column = xplustabs();
#ifndef NANO_TINY
if (ISSET(SMART_HOME)) {
size_t current_x_save = openfile->current_x;
openfile->current_x = indent_length(openfile->current->data);
if (openfile->current_x == current_x_save ||
openfile->current->data[openfile->current_x] == '\0')
openfile->current_x = 0;
} else
#endif
openfile->current_x = 0;
openfile->placewewant = xplustabs();
if (need_horizontal_scroll(was_column, openfile->placewewant))
update_line(openfile->current, openfile->current_x);
}
/* Process a stream. This is where the real work happens,
* except that centering is handled separately.
*/
static void
process_stream(FILE *stream, const char *name) {
size_t last_indent=SILLY; /* how many spaces in last indent? */
size_t para_line_number=0; /* how many lines already read in this para? */
size_t first_indent=SILLY; /* indentation of line 0 of paragraph */
HdrType prev_header_type=hdr_ParagraphStart;
/* ^-- header_type of previous line; -1 at para start */
wchar_t *line;
size_t length;
if (centerP) { center_stream(stream, name); return; }
while ((line=get_line(stream,&length)) != NULL) {
size_t np=indent_length(line, length);
{ HdrType header_type=hdr_NonHeader;
if (grok_mail_headers && prev_header_type!=hdr_NonHeader) {
if (np==0 && might_be_header(line))
header_type = hdr_Header;
else if (np>0 && prev_header_type>hdr_NonHeader)
header_type = hdr_Continuation;
}
/* We need a new paragraph if and only if:
* this line is blank,
* OR it's a troff request (and we don't format troff),
* OR it's a mail header,
* OR it's not a mail header AND the last line was one,
* OR the indentation has changed
* AND the line isn't a mail header continuation line
* AND this isn't the second line of an indented paragraph.
*/
if ( length==0
|| (line[0]=='.' && !format_troff)
|| header_type==hdr_Header
|| (header_type==hdr_NonHeader && prev_header_type>hdr_NonHeader)
|| (np!=last_indent
&& header_type != hdr_Continuation
&& (!allow_indented_paragraphs || para_line_number != 1)) ) {
new_paragraph(output_in_paragraph ? last_indent : first_indent, np);
para_line_number = 0;
first_indent = np;
last_indent = np;
if (header_type==hdr_Header) last_indent=2; /* for cont. lines */
if (length==0 || (line[0]=='.' && !format_troff)) {
if (length==0)
putwchar('\n');
else
wprintf(L"%.*ls\n", (int)length, line);
prev_header_type=hdr_ParagraphStart;
continue;
}
}
else {
/* If this is an indented paragraph other than a mail header
* continuation, set |last_indent|.
*/
if (np != last_indent && header_type != hdr_Continuation)
last_indent=np;
}
prev_header_type = header_type;
}
{ size_t n=np;
while (n<length) {
/* Find word end and count spaces after it */
size_t word_length=0, space_length=0;
while (n+word_length < length && line[n+word_length] != ' ')
++word_length;
space_length = word_length;
while (n+space_length < length && line[n+space_length] == ' ')
++space_length;
/* Send the word to the output machinery. */
output_word(first_indent, last_indent,
line+n, word_length, space_length-word_length);
n += space_length;
}
}
++para_line_number;
}
new_paragraph(output_in_paragraph ? last_indent : first_indent, 0);
if (ferror(stream)) { warn("%s", name); ++n_errors; }
}