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245 строки
9.7 KiB
Plaintext
245 строки
9.7 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Daniel Veditz <dveditz@netscape.com>
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* Don Bragg <dbragg@netscape.com>
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* Samir Gehani <sgehani@netscape.com>
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* Mitch Stoltz <mstoltz@netscape.com>
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* Jeff Walden <jwalden+code@mit.edu>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIUTF8StringEnumerator;
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interface nsIInputStream;
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interface nsIFile;
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[scriptable, uuid(e1c028bc-c478-11da-95a8-00e08161165f)]
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interface nsIZipEntry : nsISupports
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{
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/**
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* The type of compression used for the item. The possible values and
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* their meanings are defined in the zip file specification at
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* http://www.pkware.com/business_and_developers/developer/appnote/
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*/
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readonly attribute unsigned short compression;
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/**
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* The compressed size of the data in the item.
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*/
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readonly attribute unsigned long size;
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/**
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* The uncompressed size of the data in the item.
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*/
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readonly attribute unsigned long realSize;
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/**
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* The CRC-32 hash of the file in the entry.
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*/
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readonly attribute unsigned long CRC32;
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/**
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* True if the name of the entry ends with '/' and false otherwise.
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*/
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readonly attribute boolean isDirectory;
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/**
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* The time at which this item was last modified.
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*/
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readonly attribute PRTime lastModifiedTime;
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/**
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* Use this attribute to determine whether this item is an actual zip entry
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* or is one synthesized for part of a real entry's path. A synthesized
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* entry represents a directory within the zip file which has no
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* corresponding entry within the zip file. For example, the entry for the
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* directory foo/ in a zip containing exactly one entry for foo/bar.txt
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* is synthetic. If the zip file contains an actual entry for a directory,
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* this attribute will be false for the nsIZipEntry for that directory.
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* It is impossible for a file to be synthetic.
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*/
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readonly attribute boolean isSynthetic;
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};
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[scriptable, uuid(08fa7e4b-4eec-4cae-b7fe-a3c1d1e9aed2)]
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interface nsIZipReader : nsISupports
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{
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/**
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* Opens a zip file for reading.
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* It is allowed to open with another file,
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* but it needs to be closed first with close().
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*/
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void open(in nsIFile zipFile);
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/**
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* The file that represents the zip with which this zip reader was
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* initialized.
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*/
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readonly attribute nsIFile file;
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/**
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* Closes a zip reader. Subsequent attempts to extract files or read from
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* its input stream will result in an error.
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*/
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void close();
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/**
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* Tests the integrity of the archive by performing a CRC check
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* on each item expanded into memory. If an entry is specified
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* the integrity of only that item is tested. If NULL is passed
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* in the integrity of all items in the archive are tested.
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*/
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void test(in string aEntryName);
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/**
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* Extracts a zip entry into a local file specified by outFile.
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* The entry must be stored in the zip in either uncompressed or
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* DEFLATE-compressed format for the extraction to be successful.
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* If the entry is a directory, the directory will be extracted
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* non-recursively.
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*/
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void extract(in string zipEntry, in nsIFile outFile);
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/**
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* Returns a nsIZipEntry describing a specified zip entry.
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*/
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nsIZipEntry getEntry(in string zipEntry);
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/**
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* Checks whether the zipfile contains an entry specified by entryName.
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*/
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boolean hasEntry(in AUTF8String zipEntry);
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/**
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* Returns a string enumerator containing the matching entry names.
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*
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* @param aPattern
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* A regular expression used to find matching entries in the zip file.
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* Set this parameter to null to get all entries; otherwise, use the
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* following syntax:
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*
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* o * matches anything
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* o ? matches one character
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* o $ matches the end of the string
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* o [abc] matches one occurrence of a, b, or c. The only character that
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* must be escaped inside the brackets is ]. ^ and - must never
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* appear in the first and second positions within the brackets,
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* respectively. (In the former case, the behavior specified for
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* '[^az]' will happen.)
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* o [a-z] matches any character between a and z. The characters a and z
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* must either both be letters or both be numbers, with the
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* character represented by 'a' having a lower ASCII value than
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* the character represented by 'z'.
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* o [^az] matches any character except a or z. If ] is to appear inside
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* the brackets as a character to not match, it must be escaped.
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* o pat~pat2 returns matches to the pattern 'pat' which do not also match
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* the pattern 'pat2'. This may be used to perform filtering
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* upon the results of one pattern to remove all matches which
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* also match another pattern. For example, because '*'
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* matches any string and '*z*' matches any string containing a
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* 'z', '*~*z*' will match all strings except those containing
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* a 'z'. Note that a pattern may not use '~' multiple times,
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* so a string such as '*~*z*~*y*' is not a valid pattern.
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* o (foo|bar) will match either the pattern foo or the pattern bar.
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* Neither of the patterns foo or bar may use the 'pat~pat2'
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* syntax described immediately above.
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* o \ will escape a special character. Escaping is required for all
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* special characters unless otherwise specified.
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* o All other characters match case-sensitively.
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*
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* An aPattern not conforming to this syntax has undefined behavior.
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*
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* @throws NS_ERROR_ILLEGAL_VALUE on many but not all invalid aPattern
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* values.
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*/
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nsIUTF8StringEnumerator findEntries(in string aPattern);
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/**
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* Returns an input stream containing the contents of the specified zip
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* entry.
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*/
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nsIInputStream getInputStream(in string zipEntry);
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};
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////////////////////////////////////////////////////////////////////////////////
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// nsIZipReaderCache
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[scriptable, uuid(52c45d86-0cc3-11d4-986e-00c04fa0cf4a)]
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interface nsIZipReaderCache : nsISupports
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{
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/**
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* Initializes a new zip reader cache.
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* @param cacheSize - the number of released entries to maintain before
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* beginning to throw some out (note that the number of outstanding
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* entries can be much greater than this number -- this is the count
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* for those otherwise unused entries)
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*/
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void init(in unsigned long cacheSize);
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/**
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* Returns a (possibly shared) nsIZipReader for an nsIFile.
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*
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* If the zip reader for given file is not in the cache, a new zip reader
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* is created, initialized, and opened (see nsIZipReader::init and
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* nsIZipReader::open). Otherwise the previously created zip reader is
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* returned.
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*
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* @note If someone called close() on the shared nsIZipReader, this method
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* will return the closed zip reader.
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*/
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nsIZipReader getZip(in nsIFile zipFile);
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};
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////////////////////////////////////////////////////////////////////////////////
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%{C++
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#define NS_ZIPREADER_CID \
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{ /* 7526a738-9632-11d3-8cd9-0060b0fc14a3 */ \
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0x7526a738, \
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0x9632, \
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0x11d3, \
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{0x8c, 0xd9, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3} \
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}
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#define NS_ZIPREADERCACHE_CID \
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{ /* 1b117e16-0cad-11d4-986e-00c04fa0cf4a */ \
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0x1b117e16, \
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0x0cad, \
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0x11d4, \
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{0x98, 0x6e, 0x00, 0xc0, 0x4f, 0xa0, 0xcf, 0x4a} \
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}
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%}
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////////////////////////////////////////////////////////////////////////////////
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