libutil: allow draining Generator<Bytes> into sinks
Change-Id: I442d03a5399096d4baca9a2618b4c4b64db36c4b
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2 changed files with 10 additions and 0 deletions
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@ -65,5 +65,6 @@ if cxx.get_linker_id() in ['ld.bfd', 'ld.gold']
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endif
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endif
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libstore = dependency('lixstore', 'lix-store', required : true)
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libstore = dependency('lixstore', 'lix-store', required : true)
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libutil = dependency('lixutil', 'lix-util', required : true)
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subdir('lib/Nix')
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subdir('lib/Nix')
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@ -1,8 +1,10 @@
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#pragma once
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#pragma once
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///@file
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///@file
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#include <concepts>
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#include <memory>
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#include <memory>
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#include "generator.hh"
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#include "strings.hh"
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#include "strings.hh"
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#include "types.hh"
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#include "types.hh"
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#include "file-descriptor.hh"
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#include "file-descriptor.hh"
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@ -340,6 +342,13 @@ std::unique_ptr<FinishSink> sourceToSink(std::function<void(Source &)> fun);
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*/
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*/
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std::unique_ptr<Source> sinkToSource(std::function<void(Sink &)> fun);
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std::unique_ptr<Source> sinkToSource(std::function<void(Sink &)> fun);
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inline Sink & operator<<(Sink & sink, Generator<Bytes> && g)
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{
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while (auto buffer = g.next()) {
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sink(std::string_view(buffer->data(), buffer->size()));
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}
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return sink;
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}
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void writePadding(size_t len, Sink & sink);
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void writePadding(size_t len, Sink & sink);
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void writeString(std::string_view s, Sink & sink);
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void writeString(std::string_view s, Sink & sink);
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