mirror of https://github.com/djcb/mu.git
mu4e: mu4e-proc: Fix flymake warnings, whitespace
This commit is contained in:
djcb
parent
4b52ddc1cb
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0437edc982
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@ -1,6 +1,6 @@
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;; mu4e-proc.el -- part of mu4e, the mu mail user agent
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;;
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;; Copyright (C) 2011-2017 Dirk-Jan C. Binnema
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;; Copyright (C) 2011-2019 Dirk-Jan C. Binnema
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;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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@ -37,13 +37,11 @@
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;; dealing with the length cookie that precedes expressions
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(defconst mu4e~cookie-pre "\376"
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"Each expression we get from the backend (mu server) starts with
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a length cookie:
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<`mu4e~cookie-pre'><length-in-hex><`mu4e~cookie-post'>.")
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"Each expression starts with a length cookie:
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<`mu4e~cookie-pre'><length-in-hex><`mu4e~cookie-post'>.")
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(defconst mu4e~cookie-post "\377"
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"Each expression we get from the backend (mu server) starts with
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a length cookie:
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<`mu4e~cookie-pre'><length-in-hex><`mu4e~cookie-post'>.")
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"Each expression starts with a length cookie:
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<`mu4e~cookie-pre'><length-in-hex><`mu4e~cookie-post'>.")
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(defconst mu4e~cookie-matcher-rx
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(concat mu4e~cookie-pre "\\([[:xdigit:]]+\\)" mu4e~cookie-post)
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"Regular expression matching the length cookie.
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@ -56,12 +54,11 @@ Match 1 will be the length (in hex).")
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(defvar mu4e~proc-process nil
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"The mu-server process.")
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(defun mu4e~proc-running-p ()
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"Whether the mu process is running."
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(when (and mu4e~proc-process
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(memq (process-status mu4e~proc-process)
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'(run open listen connect stop)))
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(memq (process-status mu4e~proc-process)
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'(run open listen connect stop)))
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t))
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(defsubst mu4e~proc-eat-sexp-from-buf ()
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@ -76,36 +73,37 @@ removed."
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;; mu4e~cookie-matcher-rx:
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;; (concat mu4e~cookie-pre "\\([[:xdigit:]]+\\)]" mu4e~cookie-post)
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(let ((b (string-match mu4e~cookie-matcher-rx mu4e~proc-buf))
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(sexp-len) (objcons))
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(sexp-len) (objcons))
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(when b
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(setq sexp-len (string-to-number (match-string 1 mu4e~proc-buf) 16))
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;; does mu4e~proc-buf contain the full sexp?
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(when (>= (length mu4e~proc-buf) (+ sexp-len (match-end 0)))
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;; clear-up start
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(setq mu4e~proc-buf (substring mu4e~proc-buf (match-end 0)))
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;; note: we read the input in binary mode -- here, we take the part
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;; that is the sexp, and convert that to utf-8, before we interpret
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;; it.
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(setq objcons (read-from-string
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(decode-coding-string
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(substring mu4e~proc-buf 0 sexp-len)
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'utf-8 t)))
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(when objcons
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(setq mu4e~proc-buf (substring mu4e~proc-buf sexp-len))
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(car objcons)))))))
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(setq sexp-len (string-to-number (match-string 1 mu4e~proc-buf) 16))
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;; does mu4e~proc-buf contain the full sexp?
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(when (>= (length mu4e~proc-buf) (+ sexp-len (match-end 0)))
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;; clear-up start
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(setq mu4e~proc-buf (substring mu4e~proc-buf (match-end 0)))
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;; note: we read the input in binary mode -- here, we take the part
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;; that is the sexp, and convert that to utf-8, before we interpret
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;; it.
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(setq objcons (read-from-string
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(decode-coding-string
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(substring mu4e~proc-buf 0 sexp-len)
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'utf-8 t)))
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(when objcons
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(setq mu4e~proc-buf (substring mu4e~proc-buf sexp-len))
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(car objcons)))))))
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(defun mu4e~proc-filter (proc str)
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"A process-filter for the 'mu server' output.
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It accumulates the strings into valid sexps by checking of the
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';;eox' end-of-sexp marker, and then evaluating them.
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"Filter string STR from PROC.
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This process the the 'mu server' output. It accumulates the
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strings into valid sexps by checking of the ';;eox' `end-of-sexp'
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marker, and then evaluating them.
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The server output is as follows:
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1. an error
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(:error 2 :message \"unknown command\")
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;; eox
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=> this will be passed to `mu4e-error-func'.
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=> passed to `mu4e-error-func'.
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2a. a message sexp looks something like:
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\(
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@ -156,92 +154,92 @@ The server output is as follows:
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(let ((sexp (mu4e~proc-eat-sexp-from-buf)))
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(with-local-quit
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(while sexp
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(mu4e-log 'from-server "%S" sexp)
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(cond
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;; a header plist can be recognized by the existence of a :date field
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((plist-get sexp :date)
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(funcall mu4e-header-func sexp))
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(mu4e-log 'from-server "%S" sexp)
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(cond
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;; a header plist can be recognized by the existence of a :date field
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((plist-get sexp :date)
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(funcall mu4e-header-func sexp))
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;; the found sexp, we receive after getting all the headers
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((plist-get sexp :found)
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(funcall mu4e-found-func (plist-get sexp :found)))
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;; the found sexp, we receive after getting all the headers
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((plist-get sexp :found)
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(funcall mu4e-found-func (plist-get sexp :found)))
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;; viewing a specific message
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((plist-get sexp :view)
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(funcall mu4e-view-func (plist-get sexp :view)))
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;; viewing a specific message
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((plist-get sexp :view)
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(funcall mu4e-view-func (plist-get sexp :view)))
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;; receive an erase message
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((plist-get sexp :erase)
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(funcall mu4e-erase-func))
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;; receive an erase message
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((plist-get sexp :erase)
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(funcall mu4e-erase-func))
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;; receive a :sent message
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((plist-get sexp :sent)
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(funcall mu4e-sent-func
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(plist-get sexp :docid)
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(plist-get sexp :path)))
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;; receive a :sent message
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((plist-get sexp :sent)
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(funcall mu4e-sent-func
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(plist-get sexp :docid)
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(plist-get sexp :path)))
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;; received a pong message
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((plist-get sexp :pong)
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(funcall mu4e-pong-func
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(plist-get sexp :props)))
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;; received a pong message
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((plist-get sexp :pong)
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(funcall mu4e-pong-func
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(plist-get sexp :props)))
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;; received a contacts message
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;; note: we use 'member', to match (:contacts nil)
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((plist-member sexp :contacts)
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(funcall mu4e-contacts-func
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(plist-get sexp :contacts)))
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;; received a contacts message
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;; note: we use 'member', to match (:contacts nil)
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((plist-member sexp :contacts)
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(funcall mu4e-contacts-func
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(plist-get sexp :contacts)))
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;; something got moved/flags changed
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((plist-get sexp :update)
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;; something got moved/flags changed
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((plist-get sexp :update)
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(funcall mu4e-update-func
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(plist-get sexp :update)
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(plist-get sexp :move)
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(plist-get sexp :maybe-view)))
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(plist-get sexp :update)
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(plist-get sexp :move)
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(plist-get sexp :maybe-view)))
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;; a message got removed
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((plist-get sexp :remove)
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(funcall mu4e-remove-func (plist-get sexp :remove)))
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;; a message got removed
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((plist-get sexp :remove)
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(funcall mu4e-remove-func (plist-get sexp :remove)))
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;; start composing a new message
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((plist-get sexp :compose)
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(funcall mu4e-compose-func
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(plist-get sexp :compose)
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(plist-get sexp :original)
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(plist-get sexp :include)))
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;; start composing a new message
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((plist-get sexp :compose)
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(funcall mu4e-compose-func
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(plist-get sexp :compose)
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(plist-get sexp :original)
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(plist-get sexp :include)))
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;; do something with a temporary file
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((plist-get sexp :temp)
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(funcall mu4e-temp-func
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(plist-get sexp :temp) ;; name of the temp file
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(plist-get sexp :what) ;; what to do with it
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;; (pipe|emacs|open-with...)
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(plist-get sexp :docid) ;; docid of the message
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(plist-get sexp :param)));; parameter for the action
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;; do something with a temporary file
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((plist-get sexp :temp)
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(funcall mu4e-temp-func
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(plist-get sexp :temp) ;; name of the temp file
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(plist-get sexp :what) ;; what to do with it
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;; (pipe|emacs|open-with...)
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(plist-get sexp :docid) ;; docid of the message
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(plist-get sexp :param)));; parameter for the action
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;; get some info
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((plist-get sexp :info)
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(funcall mu4e-info-func sexp))
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;; get some info
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((plist-get sexp :info)
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(funcall mu4e-info-func sexp))
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;; receive an error
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((plist-get sexp :error)
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(funcall mu4e-error-func
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(plist-get sexp :error)
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(plist-get sexp :message)))
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;; receive an error
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((plist-get sexp :error)
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(funcall mu4e-error-func
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(plist-get sexp :error)
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(plist-get sexp :message)))
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(t (mu4e-message "Unexpected data from server [%S]" sexp)))
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(t (mu4e-message "Unexpected data from server [%S]" sexp)))
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(setq sexp (mu4e~proc-eat-sexp-from-buf))))))
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(setq sexp (mu4e~proc-eat-sexp-from-buf))))))
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(defun mu4e~escape (str)
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"Escape STRING for transport -- put it in quotes, and escape
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existing quotation. In particular, backslashes and
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double-quotes."
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"Escape string STR for transport.
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Put it in quotes, and escape existing quotation. In particular,
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backslashes and double-quotes."
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(let ((esc (replace-regexp-in-string "\\\\" "\\\\\\\\" str)))
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(format "\"%s\"" (replace-regexp-in-string "\"" "\\\\\"" esc))))
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(defun mu4e~proc-send-command (frm &rest args)
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"Send as command to the mu server process.
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"Send string from FRM and ARGS to the mu server process.
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Start the process if needed."
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(unless (mu4e~proc-running-p)
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(mu4e~proc-start))
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@ -254,13 +252,13 @@ Start the process if needed."
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(unless (file-executable-p mu4e-mu-binary)
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(mu4e-error (format "`mu4e-mu-binary' (%S) not found" mu4e-mu-binary)))
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(let* ((process-connection-type nil) ;; use a pipe
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(args '("server"))
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(args (append args (when mu4e-mu-home
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(list (concat "--muhome=" mu4e-mu-home))))))
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(args '("server"))
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(args (append args (when mu4e-mu-home
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(list (concat "--muhome=" mu4e-mu-home))))))
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(setq mu4e~proc-buf "")
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(setq mu4e~proc-process (apply 'start-process
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mu4e~proc-name mu4e~proc-name
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mu4e-mu-binary args))
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mu4e~proc-name mu4e~proc-name
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mu4e-mu-binary args))
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;; register a function for (:info ...) sexps
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(unless mu4e~proc-process
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(mu4e-error "Failed to start the mu4e backend"))
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@ -272,14 +270,14 @@ Start the process if needed."
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(defun mu4e~proc-kill ()
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"Kill the mu server process."
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(let* ((buf (get-buffer mu4e~proc-name))
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(proc (and (buffer-live-p buf) (get-buffer-process buf))))
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(proc (and (buffer-live-p buf) (get-buffer-process buf))))
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(when proc
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(let ((delete-exited-processes t))
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;; the mu server signal handler will make it quit after 'quit'
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(mu4e~proc-send-command "cmd:quit"))
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;; try sending SIGINT (C-c) to process, so it can exit gracefully
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;; the mu server signal handler will make it quit after 'quit'
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(mu4e~proc-send-command "cmd:quit"))
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;; try sending SIGINT (C-c) to process, so it can exit gracefully
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(ignore-errors
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(signal-process proc 'SIGINT))))
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(signal-process proc 'SIGINT))))
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(setq
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mu4e~proc-process nil
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mu4e~proc-buf nil))
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@ -288,29 +286,29 @@ Start the process if needed."
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;;(defconst mu4e-xapian-empty 19 "Error code: xapian is empty/non-existent")
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(defun mu4e~proc-sentinel (proc msg)
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"Function that will be called when the mu-server process terminates."
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"Function called when the server process PROC terminates with MSG."
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(let ((status (process-status proc)) (code (process-exit-status proc)))
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(setq mu4e~proc-process nil)
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(setq mu4e~proc-buf "") ;; clear any half-received sexps
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(cond
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((eq status 'signal)
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(cond
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((or(eq code 9) (eq code 2)) (message nil))
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;;(message "the mu server process has been stopped"))
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(t (error (format "mu server process received signal %d" code)))))
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(cond
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((or(eq code 9) (eq code 2)) (message nil))
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;;(message "the mu server process has been stopped"))
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(t (error (format "mu server process received signal %d" code)))))
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((eq status 'exit)
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(cond
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((eq code 0)
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(message nil)) ;; don't do anything
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((eq code 11)
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(error "Database is locked by another process"))
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((eq code 15)
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(error "Database needs upgrade; try `mu index --rebuild'"))
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((eq code 19)
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(error "Database empty; try indexing some messages"))
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(t (error "mu server process ended with exit code %d" code))))
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(cond
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((eq code 0)
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(message nil)) ;; don't do anything
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((eq code 11)
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(error "Database is locked by another process"))
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((eq code 15)
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(error "Database needs upgrade; try `mu index --rebuild'"))
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((eq code 19)
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(error "Database empty; try indexing some messages"))
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(t (error "Mu server process ended with exit code %d" code))))
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(t
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(error "Something bad happened to the mu server process")))))
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(error "Something bad happened to the mu server process")))))
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(defun mu4e~docid-msgid-param (docid-or-msgid)
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"Construct a backend parameter based on DOCID-OR-MSGID."
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@ -319,15 +317,15 @@ Start the process if needed."
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(format "docid:%d" docid-or-msgid)))
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(defun mu4e~proc-find (query threads sortfield sortdir maxnum skip-dups
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include-related)
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"Start a database query for QUERY.
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include-related)
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"Run QUERY with THREADS SORTFIELD SORTDIR MAXNUM SKIP-DUPS INCLUDE-RELATED.
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If THREADS is non-nil, show results in threaded fasion, SORTFIELD
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is a symbol describing the field to sort by (or nil); see
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`mu4e~headers-sortfield-choices'. If SORT is `descending', sort
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Z->A, if it's `ascending', sort A->Z. MAXNUM determines the maximum
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number of results to return, or nil for 'unlimited'. If SKIP-DUPS
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is non-nil, show only one of duplicate messages (see
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`mu4e-headers-skip-duplicates'). If INCLUDE-RELATED is non-nil,
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Z->A, if it's `ascending', sort A->Z. MAXNUM determines the
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maximum number of results to return, or nil for 'unlimited'. If
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SKIP-DUPS is non-nil, show only one of duplicate messages (see
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`mu4e-headers-skip-duplicates'). If INCLUDE-RELATED is non-nil,
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include messages related to the messages matching the search
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query (see `mu4e-headers-include-related').
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@ -351,9 +349,9 @@ or an error."
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(if include-related "true" "false")))
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(defun mu4e~proc-move (docid-or-msgid &optional maildir flags no-view)
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"Move message identified by DOCID-OR-MSGID to optional MAILDIR
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and optionally setting FLAGS. If MAILDIR is nil, message will be
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moved within the same maildir.
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"Move message identified by DOCID-OR-MSGID.
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Optionally to MAILDIR and optionally setting FLAGS. If MAILDIR is
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nil, message will be moved within the same maildir.
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At least one of MAILDIR and FLAGS must be specified. Note that
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even when MAILDIR is nil, this is still a filesystem move, since
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@ -386,19 +384,19 @@ Returns either (:update ... ) or (:error ) sexp, which are handled my
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(unless (or maildir flags)
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(mu4e-error "At least one of maildir and flags must be specified"))
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(unless (or (not maildir)
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(file-exists-p (concat mu4e-maildir "/" maildir "/")))
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(file-exists-p (concat mu4e-maildir "/" maildir "/")))
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(mu4e-error "Target dir does not exist"))
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(let* ((idparam (mu4e~docid-msgid-param docid-or-msgid))
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(flagstr
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(when flags
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(concat " flags:"
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(if (stringp flags) flags (mu4e-flags-to-string flags)))))
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(path
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(when maildir
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(format " maildir:%s" (mu4e~escape maildir))))
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(rename
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(if (and maildir mu4e-change-filenames-when-moving)
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"true" "false")))
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(flagstr
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(when flags
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(concat " flags:"
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(if (stringp flags) flags (mu4e-flags-to-string flags)))))
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(path
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(when maildir
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(format " maildir:%s" (mu4e~escape maildir))))
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(rename
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(if (and maildir mu4e-change-filenames-when-moving)
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"true" "false")))
|
||||
(mu4e~proc-send-command "cmd:move %s %s %s %s %s"
|
||||
idparam
|
||||
(or flagstr "")
|
||||
|
|
@ -407,15 +405,20 @@ Returns either (:update ... ) or (:error ) sexp, which are handled my
|
|||
(format "noview:%s" (if no-view "true" "false")))))
|
||||
|
||||
(defun mu4e~proc-index (path my-addresses cleanup lazy-check)
|
||||
"Update the message database for filesystem PATH, which should
|
||||
point to some maildir directory structure. MY-ADDRESSES is a list
|
||||
of 'my' email addresses (see `mu4e-user-mail-address-list')."
|
||||
"Index messages on PATH with possible CLEANUP and LAZY-CHECK.
|
||||
PATH should point to some maildir directory structure.
|
||||
MY-ADDRESSES is a list of 'my' email addresses (see
|
||||
`mu4e-user-mail-address-list')."
|
||||
(let ((path (mu4e~escape path))
|
||||
(addrs (when my-addresses (mapconcat 'identity my-addresses ","))))
|
||||
(addrs (when my-addresses (mapconcat 'identity my-addresses ","))))
|
||||
(if addrs
|
||||
(mu4e~proc-send-command
|
||||
"cmd:index path:%s my-addresses:%s cleanup:%s lazy-check:%s"
|
||||
path addrs (if cleanup "true" : "false") (if lazy-check "true"))
|
||||
"cmd:index path:%s my-addresses:%s cleanup:%s lazy-check:%s contacts:%s"
|
||||
path
|
||||
addrs
|
||||
(if cleanup "true" : "false")
|
||||
(if lazy-check "true")
|
||||
(if mu4e-compose-complete-addresses "true"))
|
||||
(mu4e~proc-send-command "cmd:index path:%s" path))))
|
||||
|
||||
(defun mu4e~proc-add (path maildir)
|
||||
|
|
@ -441,12 +444,12 @@ e.g. '/drafts'.
|
|||
|
||||
|
||||
(defun mu4e~proc-compose (type decrypt &optional docid)
|
||||
"Start composing a message of certain TYPE (a symbol, either
|
||||
`forward', `reply', `edit', `resend' or `new', based on an
|
||||
original message (ie, replying to, forwarding, editing,
|
||||
resending) with DOCID or nil for type `new'.
|
||||
"Compose a message of TYPE, DECRYPT it and use DOCID.
|
||||
TYPE is a symbol, either `forward', `reply', `edit', `resend' or
|
||||
`new', based on an original message (ie, replying to, forwarding,
|
||||
editing, resending) with DOCID or nil for type `new'.
|
||||
|
||||
The result will be delivered to the function registered as
|
||||
The result is delivered to the function registered as
|
||||
`mu4e-compose-func'."
|
||||
(unless (member type '(forward reply edit resend new))
|
||||
(mu4e-error "Unsupported compose-type %S" type))
|
||||
|
|
@ -461,34 +464,33 @@ The result will be delivered to the function registered as
|
|||
(mu4e~proc-send-command "cmd:mkdir path:%s" (mu4e~escape path)))
|
||||
|
||||
(defun mu4e~proc-extract (action docid partidx decrypt
|
||||
&optional path what param)
|
||||
"Extract an attachment with index PARTIDX from message with DOCID
|
||||
and perform ACTION on it (as symbol, either `save', `open', `temp') which
|
||||
mean:
|
||||
* save: save the part to PARAM1 (a path) (non-optional for save)$
|
||||
* open: open the part with the default application registered for doing so
|
||||
* temp: save to a temporary file, then respond with
|
||||
&optional path what param)
|
||||
"Perform ACTION on part with DOCID PARTIDX DECRYPT PATH WHAT PARAM.
|
||||
Use a message with DOCID and perform ACTION on it (as symbol,
|
||||
either `save', `open', `temp') which mean: * save: save the part
|
||||
to PATH (a path) (non-optional for save)$ * open: open the part
|
||||
with the default application registered for doing so * temp: save
|
||||
to a temporary file, then respond with
|
||||
(:temp <path> :what <what> :param <param>)."
|
||||
(let ((cmd
|
||||
(concat "cmd:extract "
|
||||
(cl-case action
|
||||
(save
|
||||
(format "action:save docid:%d index:%d path:%s extract-encrypted:%s use-agent:true"
|
||||
docid partidx (mu4e~escape path) (if decrypt "true" "false")))
|
||||
(open (format "action:open docid:%d index:%d extract-encrypted:%s use-agent:true"
|
||||
docid partidx (if decrypt "true" "false")))
|
||||
(temp
|
||||
(format "action:temp docid:%d index:%d what:%s%s extract-encrypted:%s use-agent:true"
|
||||
docid partidx what
|
||||
(if param
|
||||
(if (stringp param)
|
||||
(format " param:%s" (mu4e~escape param))
|
||||
(format " param:%S" param)) "") (if decrypt "true" "false")))
|
||||
(otherwise (mu4e-error "Unsupported action %S" action))))
|
||||
))
|
||||
(concat "cmd:extract "
|
||||
(cl-case action
|
||||
(save
|
||||
(format "action:save docid:%d index:%d path:%s extract-encrypted:%s use-agent:true"
|
||||
docid partidx (mu4e~escape path) (if decrypt "true" "false")))
|
||||
(open (format "action:open docid:%d index:%d extract-encrypted:%s use-agent:true"
|
||||
docid partidx (if decrypt "true" "false")))
|
||||
(temp
|
||||
(format "action:temp docid:%d index:%d what:%s%s extract-encrypted:%s use-agent:true"
|
||||
docid partidx what
|
||||
(if param
|
||||
(if (stringp param)
|
||||
(format " param:%s" (mu4e~escape param))
|
||||
(format " param:%S" param)) "") (if decrypt "true" "false")))
|
||||
(otherwise (mu4e-error "Unsupported action %S" action))))
|
||||
))
|
||||
(mu4e~proc-send-command "%s" cmd)))
|
||||
|
||||
|
||||
(defun mu4e~proc-ping ()
|
||||
"Sends a ping to the mu server, expecting a (:pong ...) in response."
|
||||
(mu4e~proc-send-command "cmd:ping"))
|
||||
|
|
@ -504,11 +506,11 @@ only contacts seen AFTER (the time_t value)."
|
|||
(or after 0)))
|
||||
|
||||
(defun mu4e~proc-view (docid-or-msgid &optional images decrypt)
|
||||
"Get one particular message based on its DOCID-OR-MSGID.
|
||||
"Get a message DOCID-OR-MSGID.
|
||||
Optionally, if IMAGES is non-nil, backend will any images
|
||||
attached to the message, and return them as temp files.
|
||||
The result will be delivered to the function registered as
|
||||
`mu4e-view-func'."
|
||||
attached to the message, and return them as temp files. DECRYPT
|
||||
if necessary. The result will be delivered to the function
|
||||
registered as `mu4e-view-func'."
|
||||
(mu4e~proc-send-command
|
||||
"cmd:view %s extract-images:%s extract-encrypted:%s use-agent:true"
|
||||
(mu4e~docid-msgid-param docid-or-msgid)
|
||||
|
|
@ -516,11 +518,11 @@ The result will be delivered to the function registered as
|
|||
(if decrypt "true" "false")))
|
||||
|
||||
(defun mu4e~proc-view-path (path &optional images decrypt)
|
||||
"View message at PATH (keyword argument).
|
||||
"View message at PATH..
|
||||
Optionally, if IMAGES is non-nil, backend will any images
|
||||
attached to the message, and return them as temp files. The
|
||||
result will be delivered to the function registered as
|
||||
`mu4e-view-func'."
|
||||
`mu4e-view-func'. Optionally DECRYPT."
|
||||
(mu4e~proc-send-command
|
||||
"cmd:view path:%s extract-images:%s extract-encrypted:%s use-agent:true"
|
||||
(mu4e~escape path)
|
||||
|
|
@ -528,12 +530,11 @@ result will be delivered to the function registered as
|
|||
(if decrypt "true" "false")))
|
||||
|
||||
(defun mu4e~proc-remove (docid)
|
||||
"Remove message identified by docid.
|
||||
The results are reporter through either (:update ... ) or (:error)
|
||||
sexp, which are handled my `mu4e-error-func', respectively."
|
||||
"Remove message with DOCID.
|
||||
The results are reporter through either (:update ... )
|
||||
or (:error) sexp, which are handled my `mu4e-error-func',
|
||||
respectively."
|
||||
(mu4e~proc-send-command "cmd:remove docid:%d" docid))
|
||||
|
||||
|
||||
(provide 'mu4e-proc)
|
||||
|
||||
;; End of mu4e-proc.el
|
||||
;;; mu4e-proc.el ends here
|
||||
|
|
|
|||
Loading…
Reference in New Issue