зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
5.3 KiB
C
122 строки
5.3 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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.org code.
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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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*
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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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#ifndef nsPluginsDirUtils_h___
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#define nsPluginsDirUtils_h___
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#include "nsPluginsDir.h"
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#include "nsTArray.h"
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#include "prmem.h"
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///////////////////////////////////////////////////////////////////////////////
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// Output format from NPP_GetMIMEDescription: "...mime type[;version]:[extension]:[desecription];..."
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// The ambiguity of mime description could cause the browser fail to parse the MIME types
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// correctly.
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// E.g. "mime type::desecription;" // correct w/o ext
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// "mime type:desecription;" // wrong w/o ext
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//
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static nsresult
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ParsePluginMimeDescription(const char *mdesc, nsPluginInfo &info)
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{
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nsresult rv = NS_ERROR_FAILURE;
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if (!mdesc || !*mdesc)
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return rv;
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char *mdescDup = PL_strdup(mdesc); // make a dup of intput string we'll change it content
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char anEmptyString[] = "";
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nsAutoTArray<char*, 8> tmpMimeTypeArr;
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char delimiters[] = {':',':',';'};
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int mimeTypeVariantCount = 0;
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char *p = mdescDup; // make a dup of intput string we'll change it content
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while(p) {
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char *ptrMimeArray[] = {anEmptyString, anEmptyString, anEmptyString};
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// It's easy to point out ptrMimeArray[0] to the string sounds like
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// "Mime type is not specified, plugin will not function properly."
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// and show this on "about:plugins" page, but we have to mark this particular
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// mime type of given plugin as disable on "about:plugins" page,
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// which feature is not implemented yet.
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// So we'll ignore, without any warnings, an empty description strings,
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// in other words, if after parsing ptrMimeArray[0] == anEmptyString is true.
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// It is possible do not to registry a plugin at all if it returns
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// an empty string on GetMIMEDescription() call,
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// e.g. plugger returns "" if pluggerrc file is not found.
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char *s = p;
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int i;
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for (i = 0; i < (int) sizeof(delimiters) && (p = PL_strchr(s, delimiters[i])); i++) {
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ptrMimeArray[i] = s; // save start ptr
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*p++ = 0; // overwrite delimiter
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s = p; // move forward
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}
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if (i == 2)
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ptrMimeArray[i] = s;
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// fill out the temp array
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// the order is important, it should be the same in for loop below
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if (ptrMimeArray[0] != anEmptyString) {
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tmpMimeTypeArr.AppendElement(ptrMimeArray[0]);
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tmpMimeTypeArr.AppendElement(ptrMimeArray[1]);
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tmpMimeTypeArr.AppendElement(ptrMimeArray[2]);
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mimeTypeVariantCount++;
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}
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}
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// fill out info structure
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if (mimeTypeVariantCount) {
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info.fVariantCount = mimeTypeVariantCount;
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// we can do these 3 mallocs at once, later on code cleanup
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info.fMimeTypeArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *));
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info.fMimeDescriptionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *));
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info.fExtensionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *));
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int j,i;
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for (j = i = 0; i < mimeTypeVariantCount; i++) {
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// the order is important, do not change it
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// we can get rid of PL_strdup here, later on code cleanup
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info.fMimeTypeArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++));
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info.fExtensionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++));
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info.fMimeDescriptionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++));
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}
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rv = NS_OK;
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}
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if (mdescDup)
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PR_Free(mdescDup);
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return rv;
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}
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#endif /* nsPluginsDirUtils_h___ */
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