The Tor Browser / file comparison
comparison: dom/plugins/base/nsPluginsDirUtils.h
dom/plugins/base/nsPluginsDirUtils.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f78486a12444 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsPluginsDirUtils_h___ | |
| 7 #define nsPluginsDirUtils_h___ | |
| 8 | |
| 9 #include "nsPluginsDir.h" | |
| 10 #include "nsTArray.h" | |
| 11 #include "prmem.h" | |
| 12 | |
| 13 /////////////////////////////////////////////////////////////////////////////// | |
| 14 // Output format from NPP_GetMIMEDescription: "...mime type[;version]:[extension]:[desecription];..." | |
| 15 // The ambiguity of mime description could cause the browser fail to parse the MIME types | |
| 16 // correctly. | |
| 17 // E.g. "mime type::desecription;" // correct w/o ext | |
| 18 // "mime type:desecription;" // wrong w/o ext | |
| 19 // | |
| 20 static nsresult | |
| 21 ParsePluginMimeDescription(const char *mdesc, nsPluginInfo &info) | |
| 22 { | |
| 23 nsresult rv = NS_ERROR_FAILURE; | |
| 24 if (!mdesc || !*mdesc) | |
| 25 return rv; | |
| 26 | |
| 27 char *mdescDup = PL_strdup(mdesc); // make a dup of intput string we'll change it content | |
| 28 char anEmptyString[] = ""; | |
| 29 nsAutoTArray<char*, 8> tmpMimeTypeArr; | |
| 30 char delimiters[] = {':',':',';'}; | |
| 31 int mimeTypeVariantCount = 0; | |
| 32 char *p = mdescDup; // make a dup of intput string we'll change it content | |
| 33 while(p) { | |
| 34 char *ptrMimeArray[] = {anEmptyString, anEmptyString, anEmptyString}; | |
| 35 | |
| 36 // It's easy to point out ptrMimeArray[0] to the string sounds like | |
| 37 // "Mime type is not specified, plugin will not function properly." | |
| 38 // and show this on "about:plugins" page, but we have to mark this particular | |
| 39 // mime type of given plugin as disable on "about:plugins" page, | |
| 40 // which feature is not implemented yet. | |
| 41 // So we'll ignore, without any warnings, an empty description strings, | |
| 42 // in other words, if after parsing ptrMimeArray[0] == anEmptyString is true. | |
| 43 // It is possible do not to registry a plugin at all if it returns | |
| 44 // an empty string on GetMIMEDescription() call, | |
| 45 // e.g. plugger returns "" if pluggerrc file is not found. | |
| 46 | |
| 47 char *s = p; | |
| 48 int i; | |
| 49 for (i = 0; i < (int) sizeof(delimiters) && (p = PL_strchr(s, delimiters[i])); i++) { | |
| 50 ptrMimeArray[i] = s; // save start ptr | |
| 51 *p++ = 0; // overwrite delimiter | |
| 52 s = p; // move forward | |
| 53 } | |
| 54 if (i == 2) | |
| 55 ptrMimeArray[i] = s; | |
| 56 // fill out the temp array | |
| 57 // the order is important, it should be the same in for loop below | |
| 58 if (ptrMimeArray[0] != anEmptyString) { | |
| 59 tmpMimeTypeArr.AppendElement(ptrMimeArray[0]); | |
| 60 tmpMimeTypeArr.AppendElement(ptrMimeArray[1]); | |
| 61 tmpMimeTypeArr.AppendElement(ptrMimeArray[2]); | |
| 62 mimeTypeVariantCount++; | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 // fill out info structure | |
| 67 if (mimeTypeVariantCount) { | |
| 68 info.fVariantCount = mimeTypeVariantCount; | |
| 69 // we can do these 3 mallocs at once, later on code cleanup | |
| 70 info.fMimeTypeArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *)); | |
| 71 info.fMimeDescriptionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *)); | |
| 72 info.fExtensionArray = (char **)PR_Malloc(mimeTypeVariantCount * sizeof(char *)); | |
| 73 | |
| 74 int j,i; | |
| 75 for (j = i = 0; i < mimeTypeVariantCount; i++) { | |
| 76 // the order is important, do not change it | |
| 77 // we can get rid of PL_strdup here, later on code cleanup | |
| 78 info.fMimeTypeArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++)); | |
| 79 info.fExtensionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++)); | |
| 80 info.fMimeDescriptionArray[i] = PL_strdup(tmpMimeTypeArr.ElementAt(j++)); | |
| 81 } | |
| 82 rv = NS_OK; | |
| 83 } | |
| 84 if (mdescDup) | |
| 85 PR_Free(mdescDup); | |
| 86 return rv; | |
| 87 } | |
| 88 | |
| 89 #endif /* nsPluginsDirUtils_h___ */ |
