e2d339dc4f
Library now uses an extensible system for decoding the various structured data that FETCH returns. This system may be expanded later for decoding other CommandResponses (although FETCH is the command most in need of this). Also created an RFC822 directory for data structures and code to deal with mail messages and a common directory for code that is used throughout the library but doesn't belong to util as they're "core" classes.
167 lines
4.2 KiB
Vala
167 lines
4.2 KiB
Vala
/* Copyright 2011 Yorba Foundation
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*
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* This software is licensed under the GNU Lesser General Public License
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* (version 2.1 or later). See the COPYING file in this distribution.
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*/
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// TODO: Support body[section]<partial> and body.peek[section]<partial> forms
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public enum Geary.Imap.FetchDataItem {
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UID,
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FLAGS,
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INTERNALDATE,
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ENVELOPE,
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BODYSTRUCTURE,
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BODY,
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RFC822,
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RFC822_HEADER,
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RFC822_SIZE,
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RFC822_TEXT,
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FAST,
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ALL,
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FULL;
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public string to_string() {
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switch (this) {
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case UID:
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return "uid";
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case FLAGS:
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return "flags";
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case INTERNALDATE:
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return "internaldate";
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case ENVELOPE:
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return "envelope";
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case BODYSTRUCTURE:
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return "bodystructure";
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case BODY:
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return "body";
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case RFC822:
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return "rfc822";
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case RFC822_HEADER:
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return "rfc822.header";
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case RFC822_SIZE:
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return "rfc822.size";
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case RFC822_TEXT:
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return "rfc822.text";
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case FAST:
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return "fast";
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case ALL:
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return "all";
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case FULL:
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return "full";
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default:
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assert_not_reached();
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}
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}
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public static FetchDataItem decode(string value) throws ImapError {
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switch (value.down()) {
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case "uid":
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return UID;
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case "flags":
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return FLAGS;
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case "internaldate":
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return INTERNALDATE;
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case "envelope":
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return ENVELOPE;
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case "bodystructure":
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return BODYSTRUCTURE;
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case "body":
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return BODY;
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case "rfc822":
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return RFC822;
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case "rfc822.header":
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return RFC822_HEADER;
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case "rfc822.size":
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return RFC822_SIZE;
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case "rfc822.text":
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return RFC822_TEXT;
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case "fast":
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return FAST;
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case "all":
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return ALL;
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case "full":
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return FULL;
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default:
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throw new ImapError.PARSE_ERROR("\"%s\" is not a valid fetch-command data item", value);
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}
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}
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public StringParameter to_parameter() {
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return new StringParameter(to_string());
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}
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public static FetchDataItem from_parameter(StringParameter strparam) throws ImapError {
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return decode(strparam.value);
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}
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public FetchDataDecoder? get_decoder() {
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switch (this) {
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case UID:
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return new UIDDecoder();
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case FLAGS:
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return new FlagsDecoder();
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case ENVELOPE:
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return new EnvelopeDecoder();
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case INTERNALDATE:
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return new InternalDateDecoder();
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case RFC822_SIZE:
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return new RFC822SizeDecoder();
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default:
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return null;
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}
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}
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}
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public class Geary.Imap.FetchCommand : Command {
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public const string NAME = "fetch";
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public FetchCommand(Tag tag, string msg_span, FetchDataItem[] data_items) {
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base (tag, NAME);
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add(new StringParameter(msg_span));
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assert(data_items.length > 0);
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if (data_items.length == 1) {
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add(data_items[0].to_parameter());
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} else {
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ListParameter data_item_list = new ListParameter(this);
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foreach (FetchDataItem data_item in data_items)
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data_item_list.add(data_item.to_parameter());
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add(data_item_list);
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}
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}
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}
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