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