tweaks: move three functions to the file where they are mainly used
The extract() and copy_from_buffer() functions are mainly used for cutting a line or a region, so move them to src/cut.c. Also move the function for which copy_from_buffer() is a wrapper.master
Benno Schulenberg
parent
97c8140cea
commit
72e5c15110
176
src/cut.c
176
src/cut.c
|
|
@ -210,6 +210,182 @@ void chop_next_word(void)
|
|||
}
|
||||
#endif /* !NANO_TINY */
|
||||
|
||||
/* Move all text between (top, top_x) and (bot, bot_x) from the current buffer
|
||||
* into the cutbuffer. */
|
||||
void extract(linestruct *top, size_t top_x, linestruct *bot, size_t bot_x)
|
||||
{
|
||||
bool edittop_inside;
|
||||
#ifndef NANO_TINY
|
||||
bool mark_inside = FALSE;
|
||||
bool same_line = FALSE;
|
||||
|
||||
if (top == bot && top_x == bot_x)
|
||||
return;
|
||||
#endif
|
||||
|
||||
/* Partition the buffer so that it contains only the text from
|
||||
* (top, top_x) to (bot, bot_x), keep track of whether the top of
|
||||
* the edit window is inside the partition, and keep track of
|
||||
* whether the mark begins inside the partition. */
|
||||
partition_buffer(top, top_x, bot, bot_x);
|
||||
edittop_inside = (openfile->edittop->lineno >= openfile->filetop->lineno &&
|
||||
openfile->edittop->lineno <= openfile->filebot->lineno);
|
||||
#ifndef NANO_TINY
|
||||
if (openfile->mark) {
|
||||
mark_inside = (openfile->mark->lineno >= openfile->filetop->lineno &&
|
||||
openfile->mark->lineno <= openfile->filebot->lineno &&
|
||||
(openfile->mark != openfile->filetop ||
|
||||
openfile->mark_x >= top_x) &&
|
||||
(openfile->mark != openfile->filebot ||
|
||||
openfile->mark_x <= bot_x));
|
||||
same_line = (openfile->mark == openfile->filetop);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Subtract the number of characters in the text from the file size. */
|
||||
openfile->totsize -= get_totsize(top, bot);
|
||||
|
||||
/* If the given buffer is empty, just move all the text directly into it;
|
||||
* otherwise, append the text to what is already there. */
|
||||
if (cutbuffer == NULL) {
|
||||
cutbuffer = openfile->filetop;
|
||||
cutbottom = openfile->filebot;
|
||||
} else {
|
||||
/* Tack the data of the first line of the text onto the data of
|
||||
* the last line in the given buffer. */
|
||||
cutbottom->data = charealloc(cutbottom->data,
|
||||
strlen(cutbottom->data) +
|
||||
strlen(openfile->filetop->data) + 1);
|
||||
strcat(cutbottom->data, openfile->filetop->data);
|
||||
|
||||
/* Attach the second line of the text (if any) to the last line
|
||||
* of the buffer, then remove the now superfluous first line. */
|
||||
cutbottom->next = openfile->filetop->next;
|
||||
delete_node(openfile->filetop);
|
||||
|
||||
/* If there is a second line, make the reverse attachment too and
|
||||
* update the buffer pointer to point at the end of the text. */
|
||||
if (cutbottom->next != NULL) {
|
||||
cutbottom->next->prev = cutbottom;
|
||||
cutbottom = openfile->filebot;
|
||||
}
|
||||
}
|
||||
|
||||
/* Since the text has now been saved, remove it from the file buffer. */
|
||||
openfile->filetop = make_new_node(NULL);
|
||||
openfile->filetop->data = copy_of("");
|
||||
openfile->filebot = openfile->filetop;
|
||||
|
||||
/* Set the cursor at the point where the text was removed. */
|
||||
openfile->current = openfile->filetop;
|
||||
openfile->current_x = top_x;
|
||||
#ifndef NANO_TINY
|
||||
/* If the mark was inside the partition, put it where the cursor now is. */
|
||||
if (mark_inside) {
|
||||
openfile->mark = openfile->current;
|
||||
openfile->mark_x = openfile->current_x;
|
||||
} else if (same_line)
|
||||
/* Update the pointer to this partially cut line. */
|
||||
openfile->mark = openfile->current;
|
||||
#endif
|
||||
|
||||
/* Glue the texts before and after the extraction together. */
|
||||
unpartition_buffer();
|
||||
|
||||
renumber_from(openfile->current);
|
||||
|
||||
/* If the top of the edit window was inside the old partition, put
|
||||
* it in range of current. */
|
||||
if (edittop_inside) {
|
||||
adjust_viewport(STATIONARY);
|
||||
refresh_needed = TRUE;
|
||||
}
|
||||
|
||||
/* If the text doesn't end with a newline, and it should, add one. */
|
||||
if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0')
|
||||
new_magicline();
|
||||
}
|
||||
|
||||
/* Meld the buffer that starts at topline into the current file buffer
|
||||
* at the current cursor position. */
|
||||
void ingraft_buffer(linestruct *topline)
|
||||
{
|
||||
size_t current_x_save = openfile->current_x;
|
||||
bool edittop_inside;
|
||||
#ifndef NANO_TINY
|
||||
bool right_side_up = FALSE;
|
||||
bool same_line = FALSE;
|
||||
|
||||
/* Remember whether mark and cursor are on the same line, and their order. */
|
||||
if (openfile->mark) {
|
||||
same_line = (openfile->mark == openfile->current);
|
||||
right_side_up = (openfile->mark->lineno < openfile->current->lineno ||
|
||||
(same_line && openfile->mark_x < openfile->current_x));
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Partition the buffer so that it contains no text, and remember
|
||||
* whether the current line is at the top of the edit window. */
|
||||
partition_buffer(openfile->current, openfile->current_x,
|
||||
openfile->current, openfile->current_x);
|
||||
edittop_inside = (openfile->edittop == openfile->filetop);
|
||||
delete_node(openfile->filetop);
|
||||
|
||||
/* Put the top and bottom of the current buffer at the top and
|
||||
* bottom of the passed buffer. */
|
||||
openfile->filetop = topline;
|
||||
openfile->filebot = topline;
|
||||
while (openfile->filebot->next != NULL)
|
||||
openfile->filebot = openfile->filebot->next;
|
||||
|
||||
/* Put the cursor at the end of the pasted text. */
|
||||
openfile->current = openfile->filebot;
|
||||
openfile->current_x = strlen(openfile->filebot->data);
|
||||
|
||||
/* When the pasted stuff contains no newline, adjust the cursor's
|
||||
* x coordinate for the text that is before the pasted stuff. */
|
||||
if (openfile->filetop == openfile->filebot)
|
||||
openfile->current_x += current_x_save;
|
||||
|
||||
#ifndef NANO_TINY
|
||||
/* When needed, refresh the mark's pointer and compensate the mark's
|
||||
* x coordinate for the change in the current line. */
|
||||
if (same_line) {
|
||||
if (!right_side_up) {
|
||||
openfile->mark = openfile->filebot;
|
||||
openfile->mark_x += openfile->current_x - current_x_save;
|
||||
} else
|
||||
openfile->mark = openfile->filetop;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Add the number of characters in the copied text to the file size. */
|
||||
openfile->totsize += get_totsize(openfile->filetop, openfile->filebot);
|
||||
|
||||
/* If we pasted onto the first line of the edit window, the corresponding
|
||||
* record has been freed, so... point at the start of the copied text. */
|
||||
if (edittop_inside)
|
||||
openfile->edittop = openfile->filetop;
|
||||
|
||||
/* Unpartition the buffer so that it contains all the text
|
||||
* again, plus the copied text. */
|
||||
unpartition_buffer();
|
||||
|
||||
renumber_from(topline);
|
||||
|
||||
/* If the text doesn't end with a newline, and it should, add one. */
|
||||
if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0')
|
||||
new_magicline();
|
||||
}
|
||||
|
||||
/* Meld a copy of the given buffer into the current file buffer. */
|
||||
void copy_from_buffer(linestruct *somebuffer)
|
||||
{
|
||||
linestruct *the_copy = copy_buffer(somebuffer);
|
||||
|
||||
ingraft_buffer(the_copy);
|
||||
}
|
||||
|
||||
/* Move the whole current line from the current buffer to the cutbuffer. */
|
||||
void cut_line(void)
|
||||
{
|
||||
|
|
|
|||
176
src/nano.c
176
src/nano.c
|
|
@ -279,182 +279,6 @@ void unpartition_buffer(void)
|
|||
openfile->filebot = filetail;
|
||||
}
|
||||
|
||||
/* Move all text between (top, top_x) and (bot, bot_x) from the current buffer
|
||||
* into the cutbuffer. */
|
||||
void extract(linestruct *top, size_t top_x, linestruct *bot, size_t bot_x)
|
||||
{
|
||||
bool edittop_inside;
|
||||
#ifndef NANO_TINY
|
||||
bool mark_inside = FALSE;
|
||||
bool same_line = FALSE;
|
||||
|
||||
if (top == bot && top_x == bot_x)
|
||||
return;
|
||||
#endif
|
||||
|
||||
/* Partition the buffer so that it contains only the text from
|
||||
* (top, top_x) to (bot, bot_x), keep track of whether the top of
|
||||
* the edit window is inside the partition, and keep track of
|
||||
* whether the mark begins inside the partition. */
|
||||
partition_buffer(top, top_x, bot, bot_x);
|
||||
edittop_inside = (openfile->edittop->lineno >= openfile->filetop->lineno &&
|
||||
openfile->edittop->lineno <= openfile->filebot->lineno);
|
||||
#ifndef NANO_TINY
|
||||
if (openfile->mark) {
|
||||
mark_inside = (openfile->mark->lineno >= openfile->filetop->lineno &&
|
||||
openfile->mark->lineno <= openfile->filebot->lineno &&
|
||||
(openfile->mark != openfile->filetop ||
|
||||
openfile->mark_x >= top_x) &&
|
||||
(openfile->mark != openfile->filebot ||
|
||||
openfile->mark_x <= bot_x));
|
||||
same_line = (openfile->mark == openfile->filetop);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Subtract the number of characters in the text from the file size. */
|
||||
openfile->totsize -= get_totsize(top, bot);
|
||||
|
||||
/* If the given buffer is empty, just move all the text directly into it;
|
||||
* otherwise, append the text to what is already there. */
|
||||
if (cutbuffer == NULL) {
|
||||
cutbuffer = openfile->filetop;
|
||||
cutbottom = openfile->filebot;
|
||||
} else {
|
||||
/* Tack the data of the first line of the text onto the data of
|
||||
* the last line in the given buffer. */
|
||||
cutbottom->data = charealloc(cutbottom->data,
|
||||
strlen(cutbottom->data) +
|
||||
strlen(openfile->filetop->data) + 1);
|
||||
strcat(cutbottom->data, openfile->filetop->data);
|
||||
|
||||
/* Attach the second line of the text (if any) to the last line
|
||||
* of the buffer, then remove the now superfluous first line. */
|
||||
cutbottom->next = openfile->filetop->next;
|
||||
delete_node(openfile->filetop);
|
||||
|
||||
/* If there is a second line, make the reverse attachment too and
|
||||
* update the buffer pointer to point at the end of the text. */
|
||||
if (cutbottom->next != NULL) {
|
||||
cutbottom->next->prev = cutbottom;
|
||||
cutbottom = openfile->filebot;
|
||||
}
|
||||
}
|
||||
|
||||
/* Since the text has now been saved, remove it from the file buffer. */
|
||||
openfile->filetop = make_new_node(NULL);
|
||||
openfile->filetop->data = copy_of("");
|
||||
openfile->filebot = openfile->filetop;
|
||||
|
||||
/* Set the cursor at the point where the text was removed. */
|
||||
openfile->current = openfile->filetop;
|
||||
openfile->current_x = top_x;
|
||||
#ifndef NANO_TINY
|
||||
/* If the mark was inside the partition, put it where the cursor now is. */
|
||||
if (mark_inside) {
|
||||
openfile->mark = openfile->current;
|
||||
openfile->mark_x = openfile->current_x;
|
||||
} else if (same_line)
|
||||
/* Update the pointer to this partially cut line. */
|
||||
openfile->mark = openfile->current;
|
||||
#endif
|
||||
|
||||
/* Glue the texts before and after the extraction together. */
|
||||
unpartition_buffer();
|
||||
|
||||
renumber_from(openfile->current);
|
||||
|
||||
/* If the top of the edit window was inside the old partition, put
|
||||
* it in range of current. */
|
||||
if (edittop_inside) {
|
||||
adjust_viewport(STATIONARY);
|
||||
refresh_needed = TRUE;
|
||||
}
|
||||
|
||||
/* If the text doesn't end with a newline, and it should, add one. */
|
||||
if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0')
|
||||
new_magicline();
|
||||
}
|
||||
|
||||
/* Meld the buffer that starts at topline into the current file buffer
|
||||
* at the current cursor position. */
|
||||
void ingraft_buffer(linestruct *topline)
|
||||
{
|
||||
size_t current_x_save = openfile->current_x;
|
||||
bool edittop_inside;
|
||||
#ifndef NANO_TINY
|
||||
bool right_side_up = FALSE;
|
||||
bool same_line = FALSE;
|
||||
|
||||
/* Remember whether mark and cursor are on the same line, and their order. */
|
||||
if (openfile->mark) {
|
||||
same_line = (openfile->mark == openfile->current);
|
||||
right_side_up = (openfile->mark->lineno < openfile->current->lineno ||
|
||||
(same_line && openfile->mark_x < openfile->current_x));
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Partition the buffer so that it contains no text, and remember
|
||||
* whether the current line is at the top of the edit window. */
|
||||
partition_buffer(openfile->current, openfile->current_x,
|
||||
openfile->current, openfile->current_x);
|
||||
edittop_inside = (openfile->edittop == openfile->filetop);
|
||||
delete_node(openfile->filetop);
|
||||
|
||||
/* Put the top and bottom of the current buffer at the top and
|
||||
* bottom of the passed buffer. */
|
||||
openfile->filetop = topline;
|
||||
openfile->filebot = topline;
|
||||
while (openfile->filebot->next != NULL)
|
||||
openfile->filebot = openfile->filebot->next;
|
||||
|
||||
/* Put the cursor at the end of the pasted text. */
|
||||
openfile->current = openfile->filebot;
|
||||
openfile->current_x = strlen(openfile->filebot->data);
|
||||
|
||||
/* When the pasted stuff contains no newline, adjust the cursor's
|
||||
* x coordinate for the text that is before the pasted stuff. */
|
||||
if (openfile->filetop == openfile->filebot)
|
||||
openfile->current_x += current_x_save;
|
||||
|
||||
#ifndef NANO_TINY
|
||||
/* When needed, refresh the mark's pointer and compensate the mark's
|
||||
* x coordinate for the change in the current line. */
|
||||
if (same_line) {
|
||||
if (!right_side_up) {
|
||||
openfile->mark = openfile->filebot;
|
||||
openfile->mark_x += openfile->current_x - current_x_save;
|
||||
} else
|
||||
openfile->mark = openfile->filetop;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Add the number of characters in the copied text to the file size. */
|
||||
openfile->totsize += get_totsize(openfile->filetop, openfile->filebot);
|
||||
|
||||
/* If we pasted onto the first line of the edit window, the corresponding
|
||||
* record has been freed, so... point at the start of the copied text. */
|
||||
if (edittop_inside)
|
||||
openfile->edittop = openfile->filetop;
|
||||
|
||||
/* Unpartition the buffer so that it contains all the text
|
||||
* again, plus the copied text. */
|
||||
unpartition_buffer();
|
||||
|
||||
renumber_from(topline);
|
||||
|
||||
/* If the text doesn't end with a newline, and it should, add one. */
|
||||
if (!ISSET(NO_NEWLINES) && openfile->filebot->data[0] != '\0')
|
||||
new_magicline();
|
||||
}
|
||||
|
||||
/* Meld a copy of the given buffer into the current file buffer. */
|
||||
void copy_from_buffer(linestruct *somebuffer)
|
||||
{
|
||||
linestruct *the_copy = copy_buffer(somebuffer);
|
||||
|
||||
ingraft_buffer(the_copy);
|
||||
}
|
||||
|
||||
/* Display a warning about a key disabled in view mode. */
|
||||
void print_view_warning(void)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -257,6 +257,11 @@ void do_backspace(void);
|
|||
#ifndef NANO_TINY
|
||||
void chop_previous_word(void);
|
||||
void chop_next_word(void);
|
||||
#endif
|
||||
void extract(linestruct *top, size_t top_x, linestruct *bot, size_t bot_x);
|
||||
void ingraft_buffer(linestruct *somebuffer);
|
||||
void copy_from_buffer(linestruct *somebuffer);
|
||||
#ifndef NANO_TINY
|
||||
void cut_marked(bool *right_side_up);
|
||||
#endif
|
||||
void do_snip(bool copying, bool marked, bool until_eof, bool append);
|
||||
|
|
@ -397,9 +402,6 @@ void renumber_from(linestruct *line);
|
|||
void partition_buffer(linestruct *top, size_t top_x,
|
||||
linestruct *bot, size_t bot_x);
|
||||
void unpartition_buffer(void);
|
||||
void extract(linestruct *top, size_t top_x, linestruct *bot, size_t bot_x);
|
||||
void ingraft_buffer(linestruct *somebuffer);
|
||||
void copy_from_buffer(linestruct *somebuffer);
|
||||
void print_view_warning(void);
|
||||
bool in_restricted_mode(void);
|
||||
#ifndef ENABLE_HELP
|
||||
|
|
|
|||
Loading…
Reference in New Issue