4 A Programmer's Text Editor
8 Copyright (C) 1991-2010 Angel Ortega <angel@triptico.com>
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License
12 as published by the Free Software Foundation; either version 2
13 of the License, or (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 http://www.triptico.com
28 /** editor actions **/
30 mp.actions['new'] = sub (d) {
31 d = mp.find_file_by_name(L("<unnamed>"));
41 mp.actions['next'] = sub (d) { mp.next(); };
42 mp.actions['prev'] = sub (d) { mp.prev(); };
44 mp.actions['save_as'] = sub (d) {
48 if ((t = mp.savefile(L("Save file as:"))) == NULL)
54 if (mp.long_op(mp.save, d) == -1)
55 mp.alert(sprintf(L("Error saving file: %s"), ERRNO));
60 mp.actions['save'] = sub (d) {
62 /* name is <unnamed> or something similar; ask for one */
63 if (regex(d.name, "/^<.+>$/"))
64 mp.actions.save_as(d);
66 if (mp.long_op(mp.save, d) == -1)
67 mp.alert(sprintf(L("Error saving file: %s"), ERRNO));
70 mp.actions['close'] = sub (d) {
74 r = mp.confirm(L("File has changed. Save changes?"));
76 /* cancel? don't close */
86 mp.actions['exit'] = sub (d) {
90 if (mp.config.auto_sessions)
93 if (mp.actions.close_all())
97 mp.actions['open'] = sub (d) {
101 if ((n = mp.openfile(L("File to open:"))) != NULL && n ne "")
102 if (mp.long_op(mp.open, n) == NULL && ERRNO != NULL)
103 mp.alert(sprintf("Error opening '%s': %s", n, ERRNO));
106 mp.actions['revert'] = sub (d) {
107 /* save current name */
112 r = mp.confirm(L("File has changed. Are you sure?"));
114 /* cancel? don't close */
115 if (r == 0 || r == 2)
120 if (mp.long_op(mp.open, p) == NULL && ERRNO != NULL)
121 mp.alert(sprintf("Error opening '%s': %s", p, ERRNO));
124 mp.actions['open_config_file'] = sub (d) {
126 mp.open(HOMEDIR ~ ".mp.mpsl");
129 mp.actions['sync'] = sub (d) {
131 /* save all modified documents */
132 foreach (d, grep(mp.docs, sub (e) { e.txt.mod; }))
136 mp.actions['exec_command'] = sub (d) {
139 { 'label' => L("System command:"),
141 'history' => 'system' }
147 /* does it start with a pipe? */
148 if (regex(cmd, '/^\|/')) {
151 /* yes; current document should be fed to it */
152 cmd = sregex(cmd, '/^\|/');
154 if ((p = popen(cmd, "w")) != NULL) {
155 foreach (l, mp.get_active_area(d))
156 write(p, l ~ mp.config.eol);
162 sprintf(L("Error writing to command '%s'"), cmd));
165 /* no; execute command and insert into cursor */
168 if ((p = popen(cmd, "r")) != NULL) {
173 while ((l = read(p)) != NULL) {
174 mp.insert(d, mp.chomp(l));
175 mp.insert_newline(d);
182 sprintf(L("Error reading from command '%s'"), cmd));
187 mp.actions['filter_selection'] = sub (d) {
189 { 'label' => L("System command:"),
191 'history' => 'system2'
200 /* if there is no selection, take full document */
201 if (d.txt.mark == NULL) {
212 /* now feed it to the command */
213 local p = popen2(cmd);
216 write(p[1], join(mp.clipboard, "\n"));
220 while ((l = read(p[0])) != NULL)
228 mp.actions['close_all'] = sub {
232 while (s = size(mp.docs)) {
233 local doc = mp.docs[mp.active_i];
235 /* close current document */
236 mp.actions.close(doc);
238 /* if the size of the list hasn't changed,
239 action was cancelled, so don't exit */
240 if (s == size(mp.docs))
247 mp.actions['open_under_cursor'] = sub (d) {
250 /* is the word under cursor file:line: ? */
251 if ((w = mp.get_word(d, '/[a-z\._0-9\/ :-]+:[0-9]+: ?/i')) != NULL) {
258 local l = pop(w) - 1;
260 /* open the file, rejoining with : */
261 local n = mp.open(join(w, ':'));
263 /* now move to the line */
264 mp.search_set_y(n, l);
267 if ((w = mp.get_word(d, '/[a-z\._0-9\/:-]+/i')) != NULL) {
272 mp.actions['hex_view'] = sub (d) {
276 if ((n = mp.openfile(L("File to open:"))) != NULL && n ne "")
277 if (mp.long_op(mp.hex_view, n) == NULL && ERRNO != NULL)
278 mp.alert(sprintf("Error opening '%s': %s", n, ERRNO));
281 mp.actions['open_dropped_files'] = sub (d) {
282 while (size(mp.dropped_files))
283 mp.open(shift(mp.dropped_files));
287 /** default key bindings **/
289 mp.keycodes['ctrl-n'] = 'next';
290 mp.keycodes['ctrl-o'] = 'open';
291 mp.keycodes['ctrl-q'] = 'exit';
292 mp.keycodes['ctrl-s'] = 'save';
293 mp.keycodes['ctrl-w'] = 'close';
294 mp.keycodes['ctrl-enter'] = 'open_under_cursor';
295 mp.keycodes['alt-enter'] = 'open_under_cursor';
296 mp.keycodes['dropped-files'] = 'open_dropped_files';
298 mp.keycodes['close-window'] = 'exit';
300 /** action descriptions **/
302 mp.actdesc['new'] = LL("New");
303 mp.actdesc['save'] = LL("Save...");
304 mp.actdesc['save_as'] = LL("Save as...");
305 mp.actdesc['next'] = LL("Next");
306 mp.actdesc['prev'] = LL("Previous");
307 mp.actdesc['open'] = LL("Open...");
308 mp.actdesc['exit'] = LL("Exit");
309 mp.actdesc['close'] = LL("Close");
310 mp.actdesc['revert'] = LL("Revert");
311 mp.actdesc['close_all'] = LL("Close all");
313 mp.actdesc['open_config_file'] = LL("Edit configuration file");
314 mp.actdesc['sync'] = LL("Save modified texts");
315 mp.actdesc['exec_command'] = LL("Run system command...");
316 mp.actdesc['filter_selection'] = LL("Filter selection through system command...");
317 mp.actdesc['open_under_cursor'] = LL("Open file under cursor");
318 mp.actdesc['hex_view'] = LL("Hexadecimal viewer...");
319 mp.actdesc['open_dropped_files'] = LL("Open dropped files");
324 /* chomps the end of file chars from a string */
326 sregex(str, "/\r*\n*$/");
337 /* if unlink before write is desired, do it */
338 if (mp.config.unlink && (s = stat(doc.name)) != NULL)
341 /* set the encoding for this file opening */
342 TEMP_ENCODING = doc.encoding;
344 if ((f = open(doc.name, "wb")) == NULL) {
345 /* can't write? delete name */
346 doc.name = L("<unnamed>");
350 /* if the document has a password, save it encrypted */
352 nl = mp.crypt1_save(f, doc.txt.lines, doc.password);
354 /* save as a plain text file */
355 foreach (l, doc.txt.lines) {
356 /* write a line separator if it's not the first line */
358 write(f, doc.eol || mp.config.eol);
369 /* set back the permissions and ownership, if available */
371 chmod(doc.name, s[2]);
372 chown(doc.name, s[4], s[5]);
379 sub mp.create(filename, lines)
380 /* creates a document */
389 txt.lines = lines || [ '' ];
393 doc.name = filename || L("<unnamed>");
405 sub mp.new(filename, lines)
406 /* creates a new document */
408 local doc = mp.create(filename, lines);
410 /* store in the list and set as active */
412 mp.active_i = size(mp.docs) - 1;
414 mp.detect_syntax(doc);
421 /* rotates through the document list */
423 if (++mp.active_i == size(mp.docs))
431 /* rotates through the document list, backwards */
433 if (--mp.active_i == -1)
434 mp.active_i = size(mp.docs) - 1;
441 /* closes the active document */
443 local k = mp.active_i;
445 /* delete from the list */
446 adel(mp.docs, mp.active_i);
448 /* rotate if it was the last one */
449 if (mp.active_i == size(mp.docs))
452 /* cannot call mp.active() */
456 sub mp.find_file_by_name(filename)
457 /* finds an open file by its name */
469 sub mp.open(filename)
470 /* opens a new document (uses UI) */
474 /* looks first if the file is already open */
475 if ((s = mp.find_file_by_name(filename)) != -1) {
480 if ((s = stat(filename)) == NULL) {
482 'timeout' => time() + 2,
483 'string' => sprintf(L("New file '%s'"), filename)
486 return mp.new(filename);
489 /* canonicalize, if possible */
493 /* look again for this filename in the open files */
494 if ((s = mp.find_file_by_name(filename)) != -1) {
502 if ((f = open(filename, "rb")) == NULL)
505 if (mp.crypt1_detect(f)) {
506 /* password needed; ask for it */
510 { 'label' => L("Password:"),
511 'type' => 'password' }
513 /* cancel? fail, but not on error */
517 /* get the password */
520 /* an empty password is equal to cancellation */
524 /* and load the file */
525 d = mp.new(filename, mp.crypt1_load(f, p));
529 /* close file (needed for rewinding AND
530 possible encoding autodetection) */
533 /* reopen and read */
534 f = open(filename, "rb");
535 d = mp.new(filename, mp.plain_load(f));
541 /* store the encoding */
542 d.encoding = DETECTED_ENCODING || ENCODING || '';
544 /* if original EOL is to be kept, store it */
545 if (mp.config.keep_eol)
546 d.eol = mp.last_seen_eol;
552 sub mp.hex_view(filename)
553 /* shows a file as an hex dump */
557 if ((f = open(filename, "rb")) == NULL)
565 if ((c = getchar(f)) != NULL)
568 if (size(l) == 16 || c == NULL) {
574 h = h ~ sprintf(' %02X', ord(v));
579 if (ord(v) < 32 || ord(v) > 126)
585 local n = 16 - size(l);
593 push(lines, join([ sprintf('| %06X', offset), h, a, ''], ' |'));
604 local d = mp.new('<' ~ filename ~ ' hex view>', lines);
606 d.syntax = mp.syntax.hex_view;