dom/plugins/base/nsPluginsDirUtils.h@b8a032363ba2 (annotated)
dom/plugins/base/nsPluginsDirUtils.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsPluginsDirUtils_h___ |
| michael@0 | 7 | #define nsPluginsDirUtils_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsPluginsDir.h" |
| michael@0 | 10 | #include "nsTArray.h" |
| michael@0 | 11 | #include "prmem.h" |
| michael@0 | 12 | |
| michael@0 | 13 | /////////////////////////////////////////////////////////////////////////////// |
| michael@0 | 14 | // Output format from NPP_GetMIMEDescription: "...mime type[;version]:[extension]:[desecription];..." |
| michael@0 | 15 | // The ambiguity of mime description could cause the browser fail to parse the MIME types |
| michael@0 | 16 | // correctly. |
| michael@0 | 17 | // E.g. "mime type::desecription;" // correct w/o ext |
| michael@0 | 18 | // "mime type:desecription;" // wrong w/o ext |
| michael@0 | 19 | // |
| michael@0 | 20 | static nsresult |
| michael@0 | 21 | ParsePluginMimeDescription(const char *mdesc, nsPluginInfo &info) |
| michael@0 | 22 | { |
| michael@0 | 23 | nsresult rv = NS_ERROR_FAILURE; |
| michael@0 | 24 | if (!mdesc || !*mdesc) |
| michael@0 | 25 | return rv; |
| michael@0 | 26 | |
| michael@0 | 27 | char *mdescDup = PL_strdup(mdesc); // make a dup of intput string we'll change it content |
| michael@0 | 28 | char anEmptyString[] = ""; |
| michael@0 | 29 | nsAutoTArray<char*, 8> tmpMimeTypeArr; |
| michael@0 | 30 | char delimiters[] = {':',':',';'}; |
| michael@0 | 31 | int mimeTypeVariantCount = 0; |
| michael@0 | 32 | char *p = mdescDup; // make a dup of intput string we'll change it content |
| michael@0 | 33 | while(p) { |
| michael@0 | 34 | char *ptrMimeArray[] = {anEmptyString, anEmptyString, anEmptyString}; |
| michael@0 | 35 | |
| michael@0 | 36 | // It's easy to point out ptrMimeArray[0] to the string sounds like |
| michael@0 | 37 | // "Mime type is not specified, plugin will not function properly." |
| michael@0 | 38 | // and show this on "about:plugins" page, but we have to mark this particular |
| michael@0 | 39 | // mime type of given plugin as disable on "about:plugins" page, |
| michael@0 | 40 | // which feature is not implemented yet. |
| michael@0 | 41 | // So we'll ignore, without any warnings, an empty description strings, |
| michael@0 | 42 | // in other words, if after parsing ptrMimeArray[0] == anEmptyString is true. |
| michael@0 | 43 | // It is possible do not to registry a plugin at all if it returns |
| michael@0 | 44 | // an empty string on GetMIMEDescription() call, |
| michael@0 | 45 | // e.g. plugger returns "" if pluggerrc file is not found. |
| michael@0 | 46 | |
| michael@0 | 47 | char *s = p; |
| michael@0 | 48 | int i; |
| michael@0 | 49 | for (i = 0; i < (int) sizeof(delimiters) && (p = PL_strchr(s, delimiters[i])); i++) { |
| michael@0 | 50 | ptrMimeArray[i] = s; // save start ptr |
| michael@0 | 51 | *p++ = 0; // overwrite delimiter |
| michael@0 | 52 | s = p; // move forward |
| michael@0 | 53 | } |
| michael@0 | 54 | if (i == 2) |
| michael@0 | 55 | ptrMimeArray[i] = s; |
| michael@0 | 56 | // fill out the temp array |
| michael@0 | 57 | // the order is important, it should be the same in for loop below |
| michael@0 | 58 | if (ptrMimeArray[0] != anEmptyString) { |
| michael@0 | 59 | tmpMimeTypeArr.AppendElement(ptrMimeArray[0]); |
| michael@0 | 60 | tmpMimeTypeArr.AppendElement(ptrMimeArray[1]); |
| michael@0 | 61 | tmpMimeTypeArr.AppendElement(ptrMimeArray[2]); |
| michael@0 | 62 | mimeTypeVariantCount++; |
| michael@0 | 63 | } |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | // fill out info structure |
| michael@0 | 67 | if (mimeTypeVariantCount) { |
| michael@0 | 68 | info.fVariantCount = mimeTypeVariantCount; |
| michael@0 | 69 | // we can do these 3 mallocs at once, later on code cleanup |
| michael@0 | 70 | info.fMimeTypeArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *)); |
| michael@0 | 71 | info.fMimeDescriptionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *)); |
| michael@0 | 72 | info.fExtensionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *)); |
| michael@0 | 73 | |
| michael@0 | 74 | int j,i; |
| michael@0 | 75 | for (j = i = 0; i < mimeTypeVariantCount; i++) { |
| michael@0 | 76 | // the order is important, do not change it |
| michael@0 | 77 | // we can get rid of PL_strdup here, later on code cleanup |
| michael@0 | 78 | info.fMimeTypeArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++)); |
| michael@0 | 79 | info.fExtensionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++)); |
| michael@0 | 80 | info.fMimeDescriptionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++)); |
| michael@0 | 81 | } |
| michael@0 | 82 | rv = NS_OK; |
| michael@0 | 83 | } |
| michael@0 | 84 | if (mdescDup) |
| michael@0 | 85 | PR_Free(mdescDup); |
| michael@0 | 86 | return rv; |
| michael@0 | 87 | } |
| michael@0 | 88 | |
| michael@0 | 89 | #endif /* nsPluginsDirUtils_h___ */ |
