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#include <bsd/sys/queue.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <Scintilla.h>
#include "sciteco.h"
#include "undo.h"
#include "parser.h"
#include "qbuffers.h"
Ring ring;
bool
Buffer::load(const gchar *filename)
{
gchar *contents;
gsize size;
edit();
editor_msg(SCI_CLEARALL);
/* FIXME: prevent excessive allocations by reading file into buffer */
if (!g_file_get_contents(filename, &contents, &size, NULL))
return false;
editor_msg(SCI_APPENDTEXT, size, (sptr_t)contents);
g_free(contents);
editor_msg(SCI_GOTOPOS, 0);
editor_msg(SCI_SETSAVEPOINT);
set_filename(filename);
return true;
}
void
Buffer::close(void)
{
LIST_REMOVE(this, buffers);
if (filename)
message_display(GTK_MESSAGE_INFO,
"Removed file \"%s\" from the ring",
filename);
else
message_display(GTK_MESSAGE_INFO,
"Removed unnamed file from the ring.");
}
Buffer *
Ring::find(const gchar *filename)
{
Buffer *cur;
LIST_FOREACH(cur, &head, buffers)
if (!g_strcmp0(cur->filename, filename))
return cur;
return NULL;
}
bool
Ring::edit(const gchar *filename)
{
bool new_in_ring = false;
Buffer *buffer = find(filename);
if (current)
current->dot = editor_msg(SCI_GETCURRENTPOS);
if (buffer) {
buffer->edit();
} else {
new_in_ring = true;
buffer = new Buffer();
LIST_INSERT_HEAD(&head, buffer, buffers);
if (g_file_test(filename, G_FILE_TEST_IS_REGULAR)) {
buffer->load(filename);
message_display(GTK_MESSAGE_INFO,
"Added file \"%s\" to ring", filename);
} else {
buffer->edit();
buffer->set_filename(filename);
if (filename)
message_display(GTK_MESSAGE_INFO,
"Added new file \"%s\" to ring",
filename);
else
message_display(GTK_MESSAGE_INFO,
"Added new unnamed file to ring.");
}
}
current = buffer;
return new_in_ring;
}
void
Ring::close(void)
{
Buffer *buffer = current;
buffer->close();
current = LIST_NEXT(buffer, buffers) ? : LIST_FIRST(&head);
if (!current)
edit(NULL);
delete buffer;
}
Ring::~Ring()
{
Buffer *buffer, *next;
LIST_FOREACH_SAFE(buffer, &head, buffers, next)
delete buffer;
}
/*
* Command states
*/
State *
StateFile::done(const gchar *str)
{
bool new_in_ring;
BEGIN_EXEC(&states.start);
ring.undo_edit();
new_in_ring = ring.edit(*str ? str : NULL);
if (new_in_ring)
ring.undo_close();
return &states.start;
}
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