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tweaks: elide a parameter -- do the NULL checks in the caller 

Determine more directly: the length of the last paragraph line,
and the exit condition for a full justify.
master
Benno Schulenberg 2018-11-26 10:24:01 +01:00
parent 0d96df7a91
commit ac8bd2a227
1 changed files with 23 additions and 23 deletions
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46
src/text.c
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@ -2028,13 +2028,11 @@ bool inpar(const filestruct *const line)
return (line->data[quote_len + indent_len] != '\0');
}
/* Determine the beginning, length, and quoting of either the current
* paragraph (when we're in one) or the next paragraph (when we're not).
/* Determine the beginning, length, and quoting of the first found paragraph.
* Return TRUE if we found a paragraph, and FALSE otherwise. Furthermore,
* return in firstline the first line of the paragraph, in touched_eof whether
* the last line of the buffer is part of the paragraph, and in *quotelen
* the length of the quoting and in *parlen the length of the paragraph. */
bool find_paragraph(filestruct **firstline, bool *touched_eof,
* return in firstline the first line of the paragraph, in *quotelen the
* length of the quoting, and in *parlen the length of the paragraph. */
bool find_paragraph(filestruct **firstline,
size_t *const quotelen, size_t *const parlen)
{
filestruct *line = *firstline;
@ -2061,7 +2059,6 @@ bool find_paragraph(filestruct **firstline, bool *touched_eof,
/* We found a paragraph; determine length of quoting and number of lines. */
*quotelen = quote_length((*firstline)->data);
*parlen = line->lineno - (*firstline)->lineno + 1;
*touched_eof = (line->next == NULL);
return TRUE;
}
@ -2198,10 +2195,8 @@ void do_justify(bool full_justify)
filestruct *last_par_line = NULL;
/* Will be the line after the last line of the justified
* paragraph(s), if any. */
bool filebot_inpar;
/* Whether the text at filebot is part of the current paragraph. */
bool text_on_last_line = FALSE;
/* Whether the last line of the buffer contains text. */
size_t x_for_last;
/* The x position until where to extract the last paragraph line. */
filestruct *was_cutbuffer = cutbuffer;
/* The old cutbuffer, so we can justify in the current cutbuffer. */
@ -2228,8 +2223,7 @@ void do_justify(bool full_justify)
/* Find the first line of the paragraph(s) to be justified. If the
* search fails, there is nothing to justify, and we will be on the
* last line of the file, so put the cursor at the end of it. */
if (!find_paragraph(&openfile->current, &filebot_inpar, &quote_len,
&par_len)) {
if (!find_paragraph(&openfile->current, &quote_len, &par_len)) {
openfile->current_x = strlen(openfile->filebot->data);
refresh_needed = TRUE;
return;
@ -2248,17 +2242,20 @@ void do_justify(bool full_justify)
/* Set the number of lines to be pulled into the cutbuffer. */
if (full_justify) {
text_on_last_line = (openfile->filebot->data[0] != '\0');
jus_len = openfile->filebot->lineno - first_par_line->lineno +
(text_on_last_line ? 1 : 0);
jus_len = openfile->filebot->lineno;
} else
jus_len = par_len;
/* Move down to just beyond the last line to be extracted. */
while (jus_len > 0 && last_par_line->next != NULL) {
/* Move down to the last line to be extracted. */
for (; jus_len > 1; jus_len--)
last_par_line = last_par_line->next;
jus_len--;
}
/* When possible, step one line further; otherwise, to line's end. */
if (last_par_line->next != NULL) {
last_par_line = last_par_line->next;
x_for_last = 0;
} else
x_for_last = strlen(last_par_line->data);
#ifndef NANO_TINY
add_undo(COUPLE_BEGIN);
@ -2272,7 +2269,7 @@ void do_justify(bool full_justify)
#endif
/* Do the equivalent of a marked cut. */
extract_buffer(&cutbuffer, &cutbottom, first_par_line, 0, last_par_line,
filebot_inpar || text_on_last_line ? strlen(last_par_line->data) : 0);
x_for_last);
#ifndef NANO_TINY
update_undo(CUT);
#endif
@ -2285,9 +2282,12 @@ void do_justify(bool full_justify)
/* When justifying the entire buffer, find and justify all paragraphs. */
if (full_justify) {
while (!filebot_inpar &&
find_paragraph(&jusline, &filebot_inpar, &quote_len, &par_len))
while (find_paragraph(&jusline, &quote_len, &par_len)) {
justify_paragraph(&jusline, quote_len, par_len);
if (jusline->next == NULL)
break;
}
}
#ifndef NANO_TINY