modules/libjar/nsJARInputStream.h@b8a032363ba2 (annotated)
modules/libjar/nsJARInputStream.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 | /* nsJARInputStream.h |
| michael@0 | 2 | * |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #ifndef nsJARINPUTSTREAM_h__ |
| michael@0 | 8 | #define nsJARINPUTSTREAM_h__ |
| michael@0 | 9 | |
| michael@0 | 10 | #include "nsIInputStream.h" |
| michael@0 | 11 | #include "nsJAR.h" |
| michael@0 | 12 | #include "nsTArray.h" |
| michael@0 | 13 | #include "mozilla/Attributes.h" |
| michael@0 | 14 | |
| michael@0 | 15 | /*------------------------------------------------------------------------- |
| michael@0 | 16 | * Class nsJARInputStream declaration. This class defines the type of the |
| michael@0 | 17 | * object returned by calls to nsJAR::GetInputStream(filename) for the |
| michael@0 | 18 | * purpose of reading a file item out of a JAR file. |
| michael@0 | 19 | *------------------------------------------------------------------------*/ |
| michael@0 | 20 | class nsJARInputStream MOZ_FINAL : public nsIInputStream |
| michael@0 | 21 | { |
| michael@0 | 22 | public: |
| michael@0 | 23 | nsJARInputStream() : |
| michael@0 | 24 | mOutSize(0), mInCrc(0), mOutCrc(0), mCurPos(0), |
| michael@0 | 25 | mMode(MODE_NOTINITED) |
| michael@0 | 26 | { |
| michael@0 | 27 | memset(&mZs, 0, sizeof(z_stream)); |
| michael@0 | 28 | } |
| michael@0 | 29 | |
| michael@0 | 30 | ~nsJARInputStream() { Close(); } |
| michael@0 | 31 | |
| michael@0 | 32 | NS_DECL_THREADSAFE_ISUPPORTS |
| michael@0 | 33 | NS_DECL_NSIINPUTSTREAM |
| michael@0 | 34 | |
| michael@0 | 35 | // takes ownership of |fd|, even on failure |
| michael@0 | 36 | nsresult InitFile(nsJAR *aJar, nsZipItem *item); |
| michael@0 | 37 | |
| michael@0 | 38 | nsresult InitDirectory(nsJAR *aJar, |
| michael@0 | 39 | const nsACString& aJarDirSpec, |
| michael@0 | 40 | const char* aDir); |
| michael@0 | 41 | |
| michael@0 | 42 | private: |
| michael@0 | 43 | nsRefPtr<nsZipHandle> mFd; // handle for reading |
| michael@0 | 44 | uint32_t mOutSize; // inflated size |
| michael@0 | 45 | uint32_t mInCrc; // CRC as provided by the zipentry |
| michael@0 | 46 | uint32_t mOutCrc; // CRC as calculated by me |
| michael@0 | 47 | z_stream mZs; // zip data structure |
| michael@0 | 48 | |
| michael@0 | 49 | /* For directory reading */ |
| michael@0 | 50 | nsRefPtr<nsJAR> mJar; // string reference to zipreader |
| michael@0 | 51 | uint32_t mNameLen; // length of dirname |
| michael@0 | 52 | nsCString mBuffer; // storage for generated text of stream |
| michael@0 | 53 | uint32_t mCurPos; // Current position in buffer |
| michael@0 | 54 | uint32_t mArrPos; // current position within mArray |
| michael@0 | 55 | nsTArray<nsCString> mArray; // array of names in (zip) directory |
| michael@0 | 56 | |
| michael@0 | 57 | typedef enum { |
| michael@0 | 58 | MODE_NOTINITED, |
| michael@0 | 59 | MODE_CLOSED, |
| michael@0 | 60 | MODE_DIRECTORY, |
| michael@0 | 61 | MODE_INFLATE, |
| michael@0 | 62 | MODE_COPY |
| michael@0 | 63 | } JISMode; |
| michael@0 | 64 | |
| michael@0 | 65 | JISMode mMode; // Modus of the stream |
| michael@0 | 66 | |
| michael@0 | 67 | nsresult ContinueInflate(char* aBuf, uint32_t aCount, uint32_t* aBytesRead); |
| michael@0 | 68 | nsresult ReadDirectory(char* aBuf, uint32_t aCount, uint32_t* aBytesRead); |
| michael@0 | 69 | uint32_t CopyDataToBuffer(char* &aBuffer, uint32_t &aCount); |
| michael@0 | 70 | }; |
| michael@0 | 71 | |
| michael@0 | 72 | #endif /* nsJARINPUTSTREAM_h__ */ |
| michael@0 | 73 |
