181 lines
6.3 KiB
EmacsLisp
181 lines
6.3 KiB
EmacsLisp
;;; ldg-complete.el --- Helper code for use with the "ledger" command-line tool
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;; Copyright (C) 2003-2013 John Wiegley (johnw AT gnu DOT org)
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;; This file is not part of GNU Emacs.
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;; This is free software; you can redistribute it and/or modify it under
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;; the terms of the GNU General Public License as published by the Free
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;; Software Foundation; either version 2, or (at your option) any later
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;; version.
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;;
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;; This is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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;; for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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;; MA 02111-1307, USA.
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;;(require 'esh-util)
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;;(require 'esh-arg)
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;;; Commentary:
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;; Functions providing payee and account auto complete.
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(require 'pcomplete)
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;; In-place completion support
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;;; Code:
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(defun ledger-parse-arguments ()
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"Parse whitespace separated arguments in the current region."
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(let* ((info (save-excursion
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(cons (ledger-thing-at-point) (point))))
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(begin (cdr info))
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(end (point))
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begins args)
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(save-excursion
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(goto-char begin)
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(when (< (point) end)
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(skip-chars-forward " \t\n")
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(setq begins (cons (point) begins))
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(setq args (cons (buffer-substring-no-properties
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(car begins) end)
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args)))
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(cons (reverse args) (reverse begins)))))
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(defun ledger-payees-in-buffer ()
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"Scan buffer and return list of all payees."
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(let ((origin (point))
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payees-list)
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward
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(concat "^[0-9/.=-]+\\(\\s-+\\*\\)?\\(\\s-+(.*?)\\)?\\s-+"
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"\\(.+?\\)\\(\t\\|\n\\| [ \t]\\)") nil t) ;; matches first line
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(unless (and (>= origin (match-beginning 0))
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(< origin (match-end 0)))
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(setq payees-list (cons (match-string-no-properties 3)
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payees-list))))) ;; add the payee
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;; to the list
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(pcomplete-uniqify-list (nreverse payees-list))))
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(defun ledger-find-accounts-in-buffer ()
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"Search through buffer and build tree of accounts.
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Return tree structure"
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(let ((origin (point))
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(account-tree (list t))
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(account-elements nil))
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward
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"^[ \t]+\\([*!]\\s-+\\)?[[(]?\\(.+?\\)\\(\t\\|\n\\| [ \t]\\)" nil t)
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(unless (and (>= origin (match-beginning 0))
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(< origin (match-end 0)))
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(setq account-elements
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(split-string
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(match-string-no-properties 2) ":"))
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(let ((root account-tree))
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(while account-elements
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(let ((entry (assoc (car account-elements) root)))
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(if entry
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(setq root (cdr entry))
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(setq entry (cons (car account-elements) (list t)))
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(nconc root (list entry))
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(setq root (cdr entry))))
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(setq account-elements (cdr account-elements)))))))
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account-tree))
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(defun ledger-accounts ()
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"Return a tree of all accounts in the buffer."
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(let* ((current (caar (ledger-parse-arguments)))
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(elements (and current (split-string current ":")))
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(root (ledger-find-accounts-in-buffer))
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(prefix nil))
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(while (cdr elements)
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(let ((entry (assoc (car elements) root)))
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(if entry
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(setq prefix (concat prefix (and prefix ":")
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(car elements))
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root (cdr entry))
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(setq root nil elements nil)))
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(setq elements (cdr elements)))
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(and root
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(sort
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(mapcar (function
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(lambda (x)
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(let ((term (if prefix
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(concat prefix ":" (car x))
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(car x))))
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(if (> (length (cdr x)) 1)
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(concat term ":")
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term))))
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(cdr root))
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'string-lessp))))
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(defun ledger-complete-at-point ()
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"Do appropriate completion for the thing at point."
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(interactive)
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(while (pcomplete-here
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(if (eq (save-excursion
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(ledger-thing-at-point)) 'transaction)
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(if (null current-prefix-arg)
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(ledger-payees-in-buffer) ;; this completes against payee names
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(progn
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(let ((text (buffer-substring (line-beginning-position)
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(line-end-position))))
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(delete-region (line-beginning-position)
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(line-end-position))
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(condition-case err
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(ledger-add-transaction text t)
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((error "ledger-complete-at-point")
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(insert text))))
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(forward-line)
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(goto-char (line-end-position))
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(search-backward ";" (line-beginning-position) t)
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(skip-chars-backward " \t0123456789.,")
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(throw 'pcompleted t)))
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(ledger-accounts)))))
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(defun ledger-fully-complete-entry ()
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"Completes a transaction if there is another matching payee in the buffer.
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Does not use ledger xact"
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(interactive)
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(let ((name (caar (ledger-parse-arguments)))
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rest-of-name
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xacts)
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(save-excursion
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(when (eq 'transaction (ledger-thing-at-point))
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;; Search backward for a matching payee
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(when (re-search-backward
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(concat "^[0-9/.=-]+\\(\\s-+\\*\\)?\\(\\s-+(.*?)\\)?\\s-+"
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(regexp-quote name) ) nil t) ;; "\\(\t\\|\n\\| [ \t]\\)"
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(setq rest-of-name (buffer-substring-no-properties (match-end 0) (line-end-position)))
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;; Start copying the postings
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(forward-line)
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(while (looking-at "^\\s-+")
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(setq xacts (cons (buffer-substring-no-properties
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(line-beginning-position)
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(line-end-position))
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xacts))
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(forward-line))
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(setq xacts (nreverse xacts)))))
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;; Insert rest-of-name and the postings
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(when xacts
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(save-excursion
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(insert rest-of-name ?\n)
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(while xacts
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(insert (car xacts) ?\n)
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(setq xacts (cdr xacts))))
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(forward-line)
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(goto-char (line-end-position))
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(if (re-search-backward "\\(\t\\| [ \t]\\)" nil t)
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(goto-char (match-end 0))))))
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(provide 'ldg-complete)
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;;; ldg-complete.el ends here
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