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To be more accurate, this changeset doesn't actually eliminate the dependency:
it eliminates the use cases for the llifstream / llofstream feature that
requires it.
Currently you can construct an llifstream or llofstream from an open LLFILE*
file handle (or, except on Windows, an int file descriptor). But rather than
containing a streambuf implementation based on FILE*, llfile.h relies on the
fact that the Windows std::filebuf happens to support that as a nonstandard
extension; also on a nonstandard GNU extension __gnu_cxx::stdio_filebuf<char>.
To move from GNU libstdc++ to clang's libc++ (the direction on Mac), we could
code a streambuf that supports FILE*. But before doing that, it's worth asking
whether anyone actually uses this questionable feature.
In fact there were only two methods: LLWearable::exportFile() and importFile()
-- and only one call to either, in LLViewerWearable::saveNewAsset(). The code
in saveNewAsset() opened the LLFILE* immediately before calling exportFile(),
meaning we could reasonably push the open operation down into exportFile().
That logic was complex anyway due to the need for the caller to close the
LLFILE* regardless of the success of the exportFile().
Change LLWearable::exportFile() and importFile() to accept a std::string
filename rather than an open LLFILE*. Change LLViewerWearable::saveNewAsset()
to simply call exportFile(filename) rather than horsing around with an LLFILE*
handle. (This improves the code in another way too: it encapsulates the need
to open the relevant file in binary mode. Previously, each caller had to
remember to do that.)
To prevent inadvertent reintroduction of ll[io]fstream(LLFILE*) code, add
llstream_LLFILE preprocessor macro (default 0) to control access to the
relevant constructors. Also suppress rdbuf() override, the only method whose
signature references llstdio_filebuf.
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occurring because the LLWearable class was not properly destroying itself.
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consolidated most indra-specific constants in llcommon under indra_constants.h
fixed issues with operations on mixed unit types (implicit and explicit)
made LL_INFOS() style macros variadic in order to subsume other logging methods
such as ll_infos
added optional tag output to error recorders
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Newly refactored wearable parsing did not account for extra whitespace cleanly.
Updated the code to handle extra blank lines in the wearable assets.
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pending). Moved more functionality from llviewerwearable to llwearable
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moved over:
isWearingWearableType
wearable::writeToAvatar
wearable::mTEMap (stores LocalTextureObject*)
more from wearable::import/export
wearable::createVisualParams, etc
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llappearance/LLWearableData. Moved LLDriverParam into llappearance
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First pass at cmake configs, and starting to try to move wearable class.
Things are broken, checkpointing work to collaborate.
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