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in do_indent_marked(), only use line_indent and line_indent_len when 

necessary


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3470 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
master
David Lawrence Ramsey 2006-05-05 15:41:43 +00:00
parent 9e73d98a60
commit 80669c34bb
1 changed files with 53 additions and 43 deletions
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62
src/text.c
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@ -205,9 +205,9 @@ void do_indent_marked(ssize_t cols)
/* Whether any indenting or unindenting was done. */
bool unindent = FALSE;
/* Whether we're unindenting text. */
char *line_indent;
char *line_indent = NULL;
/* The text added to each line in order to indent it. */
size_t line_indent_len;
size_t line_indent_len = 0;
/* The length of the text added to each line in order to indent
* it. */
filestruct *top, *bot, *f;
@ -242,6 +242,7 @@ void do_indent_marked(ssize_t cols)
mark_order((const filestruct **)&top, &top_x,
(const filestruct **)&bot, &bot_x, NULL);
if (!unindent) {
/* Set up the text we'll be using as indentation. */
line_indent = charalloc(cols + 1);
@ -262,19 +263,49 @@ void do_indent_marked(ssize_t cols)
}
line_indent[line_indent_len] = '\0';
}
/* Go through each line of the marked text. */
for (f = top; f != bot->next; f = f->next) {
size_t line_len = strlen(f->data);
size_t indent_len = indent_length(f->data);
if (unindent) {
if (!unindent) {
/* If we're indenting, add the characters in line_indent to
* the beginning of the non-whitespace text of this line. */
f->data = charealloc(f->data, line_len +
line_indent_len + 1);
charmove(&f->data[indent_len + line_indent_len],
&f->data[indent_len], line_len - indent_len + 1);
strncpy(f->data + indent_len, line_indent, line_indent_len);
openfile->totsize += line_indent_len;
/* Keep track of the change in the current line. */
if (f == openfile->mark_begin && openfile->mark_begin_x >=
indent_len)
openfile->mark_begin_x += line_indent_len;
if (f == openfile->current && openfile->current_x >=
indent_len)
openfile->current_x += line_indent_len;
/* If the NO_NEWLINES flag isn't set, and this is the
* magicline, add a new magicline. */
if (!ISSET(NO_NEWLINES) && f == openfile->filebot)
new_magicline();
} else {
size_t indent_col = strnlenpt(f->data, indent_len);
/* The length in columns of the indentation on this
* line. */
if (cols <= indent_col) {
size_t indent_new = actual_x(f->data, indent_col -
cols);
/* The length of the indentation remaining on
* this line after we unindent. */
size_t indent_shift = indent_len - indent_new;
/* The change in the indentation on this line
* after we unindent. */
/* If we're unindenting, and there's at least cols
* columns' worth of indentation at the beginning of the
@ -305,32 +336,11 @@ void do_indent_marked(ssize_t cols)
if (!indent_changed)
indent_changed = TRUE;
}
} else {
/* If we're indenting, add the characters in line_indent to
* the beginning of the non-whitespace text of this line. */
f->data = charealloc(f->data, line_len +
line_indent_len + 1);
charmove(&f->data[indent_len + line_indent_len],
&f->data[indent_len], line_len - indent_len + 1);
strncpy(f->data + indent_len, line_indent, line_indent_len);
openfile->totsize += line_indent_len;
/* Keep track of the change in the current line. */
if (f == openfile->mark_begin && openfile->mark_begin_x >=
indent_len)
openfile->mark_begin_x += line_indent_len;
if (f == openfile->current && openfile->current_x >=
indent_len)
openfile->current_x += line_indent_len;
/* If the NO_NEWLINES flag isn't set, and this is the
* magicline, add a new magicline. */
if (!ISSET(NO_NEWLINES) && f == openfile->filebot)
new_magicline();
}
}
/* Clean up. */
if (!unindent)
free(line_indent);
if (indent_changed) {