1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/base/nsPluginsDirUtils.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,89 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsPluginsDirUtils_h___
1.10 +#define nsPluginsDirUtils_h___
1.11 +
1.12 +#include "nsPluginsDir.h"
1.13 +#include "nsTArray.h"
1.14 +#include "prmem.h"
1.15 +
1.16 +///////////////////////////////////////////////////////////////////////////////
1.17 +// Output format from NPP_GetMIMEDescription: "...mime type[;version]:[extension]:[desecription];..."
1.18 +// The ambiguity of mime description could cause the browser fail to parse the MIME types
1.19 +// correctly.
1.20 +// E.g. "mime type::desecription;" // correct w/o ext
1.21 +// "mime type:desecription;" // wrong w/o ext
1.22 +//
1.23 +static nsresult
1.24 +ParsePluginMimeDescription(const char *mdesc, nsPluginInfo &info)
1.25 +{
1.26 + nsresult rv = NS_ERROR_FAILURE;
1.27 + if (!mdesc || !*mdesc)
1.28 + return rv;
1.29 +
1.30 + char *mdescDup = PL_strdup(mdesc); // make a dup of intput string we'll change it content
1.31 + char anEmptyString[] = "";
1.32 + nsAutoTArray<char*, 8> tmpMimeTypeArr;
1.33 + char delimiters[] = {':',':',';'};
1.34 + int mimeTypeVariantCount = 0;
1.35 + char *p = mdescDup; // make a dup of intput string we'll change it content
1.36 + while(p) {
1.37 + char *ptrMimeArray[] = {anEmptyString, anEmptyString, anEmptyString};
1.38 +
1.39 + // It's easy to point out ptrMimeArray[0] to the string sounds like
1.40 + // "Mime type is not specified, plugin will not function properly."
1.41 + // and show this on "about:plugins" page, but we have to mark this particular
1.42 + // mime type of given plugin as disable on "about:plugins" page,
1.43 + // which feature is not implemented yet.
1.44 + // So we'll ignore, without any warnings, an empty description strings,
1.45 + // in other words, if after parsing ptrMimeArray[0] == anEmptyString is true.
1.46 + // It is possible do not to registry a plugin at all if it returns
1.47 + // an empty string on GetMIMEDescription() call,
1.48 + // e.g. plugger returns "" if pluggerrc file is not found.
1.49 +
1.50 + char *s = p;
1.51 + int i;
1.52 + for (i = 0; i < (int) sizeof(delimiters) && (p = PL_strchr(s, delimiters[i])); i++) {
1.53 + ptrMimeArray[i] = s; // save start ptr
1.54 + *p++ = 0; // overwrite delimiter
1.55 + s = p; // move forward
1.56 + }
1.57 + if (i == 2)
1.58 + ptrMimeArray[i] = s;
1.59 + // fill out the temp array
1.60 + // the order is important, it should be the same in for loop below
1.61 + if (ptrMimeArray[0] != anEmptyString) {
1.62 + tmpMimeTypeArr.AppendElement(ptrMimeArray[0]);
1.63 + tmpMimeTypeArr.AppendElement(ptrMimeArray[1]);
1.64 + tmpMimeTypeArr.AppendElement(ptrMimeArray[2]);
1.65 + mimeTypeVariantCount++;
1.66 + }
1.67 + }
1.68 +
1.69 + // fill out info structure
1.70 + if (mimeTypeVariantCount) {
1.71 + info.fVariantCount = mimeTypeVariantCount;
1.72 + // we can do these 3 mallocs at once, later on code cleanup
1.73 + info.fMimeTypeArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *));
1.74 + info.fMimeDescriptionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *));
1.75 + info.fExtensionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *));
1.76 +
1.77 + int j,i;
1.78 + for (j = i = 0; i < mimeTypeVariantCount; i++) {
1.79 + // the order is important, do not change it
1.80 + // we can get rid of PL_strdup here, later on code cleanup
1.81 + info.fMimeTypeArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++));
1.82 + info.fExtensionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++));
1.83 + info.fMimeDescriptionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++));
1.84 + }
1.85 + rv = NS_OK;
1.86 + }
1.87 + if (mdescDup)
1.88 + PR_Free(mdescDup);
1.89 + return rv;
1.90 +}
1.91 +
1.92 +#endif /* nsPluginsDirUtils_h___ */
