commit 2c5d0ecbb34f5fb21ff910b331d4e973430a523f
parent 5c33e88b254a391ba8da6c2f0f832dd95ca04351
Author: David Lawrence Ramsey <pooka109@gmail.com>
Date: Wed, 9 Nov 2005 19:06:01 +0000
tweak find_paragraph() and do_justify() to remove the assumption that
the file always ends in a magicline; note that the latter isn't
completely fixed yet
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3129 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
Diffstat:
| M | ChangeLog | | | 1 | + |
| M | src/text.c | | | 70 | +++++++++++++++++++++++++++++++++++++++++++++------------------------- |
2 files changed, 46 insertions(+), 25 deletions(-)
diff --git a/ChangeLog b/ChangeLog
@@ -41,6 +41,7 @@ CVS code -
always ends in a magicline. Changes to cut_line(),
do_cut_till_end(), open_buffer(), read_file(), write_file(),
do_last_line(), do_para_end(), backup_lines(),
+ find_paragraph(), do_justify() (not completely fixed yet),
do_alt_speller(), and do_wordlinechar_count(). (DLR)
- Tweak a few functions to rely on fileage and filebot instead
of NULL for their checks to detect the top or bottom of the
diff --git a/src/text.c b/src/text.c
@@ -383,7 +383,6 @@ bool do_wrap(filestruct *line)
* of the line while trying to find one, we should return without
* wrapping. Note that if autoindent is turned on, we don't break
* at the end of it! */
-
assert(line != NULL && line->data != NULL);
/* Save the length of the line. */
@@ -1042,6 +1041,8 @@ bool find_paragraph(size_t *const quote, size_t *const par)
/* Number of lines in the paragraph we search for. */
filestruct *current_save;
/* The line at the beginning of the paragraph we search for. */
+ size_t current_x_save;
+ /* The x-coordinate at the end of the paragraph we search for. */
ssize_t current_y_save;
/* The y-coordinate at the beginning of the paragraph we search
* for. */
@@ -1055,21 +1056,16 @@ bool find_paragraph(size_t *const quote, size_t *const par)
assert(openfile->current != NULL);
- /* Move back to the beginning of the current line. */
- openfile->current_x = 0;
- openfile->placewewant = 0;
-
/* Find the first line of the current or next paragraph. First, if
* the current line isn't in a paragraph, move forward to the line
- * after the last line of the next paragraph. If we end up on the
- * same line, or the line before that isn't in a paragraph, it means
- * that there aren't any paragraphs left, so get out. Otherwise,
- * move back to the last line of the paragraph. If the current line
- * is in a paragraph and it isn't the first line of that paragraph,
- * move back to the first line. */
+ * after the last line of the next paragraph, if any. If we end up
+ * on the same line, or the line before that isn't in a paragraph, it
+ * means that there aren't any paragraphs left, so get out.
+ * Otherwise, move back to the last line of the paragraph. If the
+ * current line is in a paragraph and it isn't the first line of
+ * that paragraph, move back to the first line. */
if (!inpar(openfile->current)) {
current_save = openfile->current;
-
do_para_end(FALSE);
if (openfile->current == current_save ||
!inpar(openfile->current->prev))
@@ -1082,13 +1078,26 @@ bool find_paragraph(size_t *const quote, size_t *const par)
/* Now current is the first line of the paragraph. Set quote_len to
* the quotation length of that line, and set par_len to the number
- * of lines in this paragraph. */
+ * of lines in this paragraph by temporarily moving to the last line
+ * of it and saving the difference in line numbers. If, after
+ * moving, we end up on the same line and x-coordinate as before, it
+ * means that there aren't any paragraphs left, so get out. If we
+ * end up on the same line with a different x-coordinate from
+ * before, it means that the line is part of the paragraph. */
quote_len = quote_length(openfile->current->data);
current_save = openfile->current;
+ current_x_save = openfile->current_x;
current_y_save = openfile->current_y;
do_para_end(FALSE);
par_len = openfile->current->lineno - current_save->lineno;
+ if (openfile->current == current_save) {
+ if (openfile->current_x == current_x_save)
+ return FALSE;
+ else
+ par_len++;
+ }
openfile->current = current_save;
+ openfile->current_x = current_x_save;
openfile->current_y = current_y_save;
/* Save the values of quote_len and par_len. */
@@ -1108,9 +1117,8 @@ void do_justify(bool full_justify)
/* Will be the first line of the justified paragraph. For
* restoring after unjustify. */
filestruct *last_par_line;
- /* Will be the line containing the newline after the last line
- * of the justified paragraph. Also for restoring after
- * unjustify. */
+ /* Will be the line after the last line of the justified
+ * paragraph, if any. Also for restoring after unjustify. */
/* We save these variables to be restored if the user
* unjustifies. */
@@ -1128,6 +1136,11 @@ void do_justify(bool full_justify)
int kbinput;
bool meta_key, func_key, s_or_t, ran_func, finished;
+ /* Move to the beginning of the current line, so that justifying at
+ * the end of the last line of the file will work if that line isn't
+ * blank. */
+ openfile->current_x = 0;
+
/* If we're justifying the entire file, start at the beginning. */
if (full_justify)
openfile->current = openfile->fileage;
@@ -1186,8 +1199,9 @@ void do_justify(bool full_justify)
* to the justify buffer. */
if (first_par_line == NULL)
first_par_line = backup_lines(openfile->current,
- full_justify ? openfile->filebot->lineno -
- openfile->current->lineno : par_len);
+ full_justify ? ((openfile->current ==
+ openfile->filebot) ? 1 : openfile->filebot->lineno -
+ openfile->current->lineno) : par_len);
/* Initialize indent_string to a blank string. */
indent_string = mallocstrcpy(NULL, "");
@@ -1352,18 +1366,24 @@ void do_justify(bool full_justify)
/* Go to the next line. */
par_len--;
- openfile->current_y++;
- openfile->current = openfile->current->next;
+ if (openfile->current != openfile->filebot) {
+ openfile->current_y++;
+ openfile->current = openfile->current->next;
+ }
}
/* We're done breaking lines, so we don't need indent_string
* anymore. */
free(indent_string);
- /* Go to the next line, the line after the last line of the
- * paragraph. */
- openfile->current_y++;
- openfile->current = openfile->current->next;
+ /* Go to the next line: the line after the last line of the
+ * paragraph, if any. If there isn't one, move to the end of
+ * the current line, since that's where the paragraph ends. */
+ if (openfile->current != openfile->filebot) {
+ openfile->current_y++;
+ openfile->current = openfile->current->next;
+ } else
+ openfile->current_x = strlen(openfile->current->data);
/* We've just justified a paragraph. If we're not justifying the
* entire file, break out of the loop. Otherwise, continue the
@@ -1420,7 +1440,7 @@ void do_justify(bool full_justify)
/* Partition the filestruct so that it contains only the
* text of the justified paragraph. */
filepart = partition_filestruct(first_par_line, 0,
- last_par_line, 0);
+ last_par_line, strlen(last_par_line->data));
/* Remove the text of the justified paragraph, and
* put the text in the justify buffer in its place. */
