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Require libbrotli

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This commit is contained in:
Eelco Dolstra 2018-08-06 11:48:35 +02:00
parent 4361a4331f
commit fa4def3d46
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GPG key ID: 8170B4726D7198DE
5 changed files with 3 additions and 65 deletions
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50
src/libutil/compression.cc
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@ -8,10 +8,8 @@
#include <cstdio>
#include <cstring>
#if HAVE_BROTLI
#include <brotli/decode.h>
#include <brotli/encode.h>
#endif // HAVE_BROTLI
#include <iostream>
@ -132,12 +130,6 @@ static void decompressBzip2(Source & source, Sink & sink)
static void decompressBrotli(Source & source, Sink & sink)
{
#if !HAVE_BROTLI
RunOptions options(BROTLI, {"-d"});
options.standardIn = &source;
options.standardOut = &sink;
runProgram2(options);
#else
auto *s = BrotliDecoderCreateInstance(nullptr, nullptr, nullptr);
if (!s)
throw CompressionError("unable to initialize brotli decoder");
@ -193,7 +185,6 @@ static void decompressBrotli(Source & source, Sink & sink)
if (ret == BROTLI_DECODER_RESULT_SUCCESS) return;
}
#endif // HAVE_BROTLI
}
ref<std::string> decompress(const std::string & method, const std::string & in)
@ -403,42 +394,6 @@ struct BzipSink : CompressionSink
}
};
struct LambdaCompressionSink : CompressionSink
{
Sink & nextSink;
std::string data;
using CompressFnTy = std::function<std::string(const std::string&)>;
CompressFnTy compressFn;
LambdaCompressionSink(Sink& nextSink, CompressFnTy compressFn)
: nextSink(nextSink)
, compressFn(std::move(compressFn))
{
};
void finish() override
{
flush();
nextSink(compressFn(data));
}
void write(const unsigned char * data, size_t len) override
{
checkInterrupt();
this->data.append((const char *) data, len);
}
};
struct BrotliCmdSink : LambdaCompressionSink
{
BrotliCmdSink(Sink& nextSink)
: LambdaCompressionSink(nextSink, [](const std::string& data) {
return runProgram(BROTLI, true, {}, data);
})
{
}
};
#if HAVE_BROTLI
struct BrotliSink : CompressionSink
{
Sink & nextSink;
@ -525,7 +480,6 @@ struct BrotliSink : CompressionSink
}
}
};
#endif // HAVE_BROTLI
ref<CompressionSink> makeCompressionSink(const std::string & method, Sink & nextSink, const bool parallel)
{
@ -544,11 +498,7 @@ ref<CompressionSink> makeCompressionSink(const std::string & method, Sink & next
else if (method == "bzip2")
return make_ref<BzipSink>(nextSink);
else if (method == "br")
#if HAVE_BROTLI
return make_ref<BrotliSink>(nextSink);
#else
return make_ref<BrotliCmdSink>(nextSink);
#endif
else
throw UnknownCompressionMethod(format("unknown compression method '%s'") % method);
}