From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- modules/libjar/nsJARInputStream.h | 73 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 modules/libjar/nsJARInputStream.h (limited to 'modules/libjar/nsJARInputStream.h') diff --git a/modules/libjar/nsJARInputStream.h b/modules/libjar/nsJARInputStream.h new file mode 100644 index 0000000000..8b6eddf299 --- /dev/null +++ b/modules/libjar/nsJARInputStream.h @@ -0,0 +1,73 @@ +/* nsJARInputStream.h + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsJARINPUTSTREAM_h__ +#define nsJARINPUTSTREAM_h__ + +#include "nsIInputStream.h" +#include "nsJAR.h" +#include "nsTArray.h" +#include "mozilla/Attributes.h" + +/*------------------------------------------------------------------------- + * Class nsJARInputStream declaration. This class defines the type of the + * object returned by calls to nsJAR::GetInputStream(filename) for the + * purpose of reading a file item out of a JAR file. + *------------------------------------------------------------------------*/ +class nsJARInputStream final : public nsIInputStream { + public: + nsJARInputStream() + : mOutSize(0), + mInCrc(0), + mOutCrc(0), + mNameLen(0), + mCurPos(0), + mArrPos(0), + mMode(MODE_NOTINITED) { + memset(&mZs, 0, sizeof(z_stream)); + } + + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIINPUTSTREAM + + // takes ownership of |fd|, even on failure + nsresult InitFile(nsZipHandle* aFd, const uint8_t* aData, nsZipItem* item); + + nsresult InitDirectory(nsJAR* aJar, const char* aDir); + + private: + ~nsJARInputStream() { Close(); } + + RefPtr mFd; // handle for reading + uint32_t mOutSize; // inflated size + uint32_t mInCrc; // CRC as provided by the zipentry + uint32_t mOutCrc; // CRC as calculated by me + z_stream mZs; // zip data structure + + /* For directory reading */ + RefPtr mJar; // string reference to zipreader + uint32_t mNameLen; // length of dirname + nsCString mBuffer; // storage for generated text of stream + uint32_t mCurPos; // Current position in buffer + uint32_t mArrPos; // current position within mArray + nsTArray mArray; // array of names in (zip) directory + + typedef enum { + MODE_NOTINITED, + MODE_CLOSED, + MODE_DIRECTORY, + MODE_INFLATE, + MODE_COPY + } JISMode; + + JISMode mMode; // Modus of the stream + + nsresult ContinueInflate(char* aBuf, uint32_t aCount, uint32_t* aBytesRead); + nsresult ReadDirectory(char* aBuf, uint32_t aCount, uint32_t* aBytesRead); + uint32_t CopyDataToBuffer(char*& aBuffer, uint32_t& aCount); +}; + +#endif /* nsJARINPUTSTREAM_h__ */ -- cgit v1.2.3