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74 lines
1.3 KiB
74 lines
1.3 KiB
#include <filesystem>
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#include <fsvec.hpp>
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#include <uuid.hpp>
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#include <fsvec.h>
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#include <debug.h>
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#include <tempfile.hpp>
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#define FB file_back_buffer
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struct FB::impl
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{
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size_t cap;
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temp_file file;
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fvec_t backing;
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};
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FB::FB(size_t cap) : inner(std::make_unique<FB::impl>())
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{
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// Set cap
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inner->cap = cap;
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// Create then open `inner->file`
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if(!fvec_new(&inner->backing, inner->file->c_str())) panic("Failed to open backing for temp file buffer");
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}
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FB::FB(file_back_buffer&& m) : inner(std::move(m.inner)){}
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FB::FB() : FB(DEFAULT_CAP){}
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FB::~FB()
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{
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fvec_close(&inner->backing);
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}
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void FB::push_buf(byte* buf, size_t len)
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{
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fvec_push_whole_buffer(&inner->backing, (void*)buf, len);
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}
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bool FB::back(byte* buf, size_t len) const
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{
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return !!fvec_get_whole_buffer(&inner->backing, (void*)buf, len);
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}
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bool FB::pop_n(size_t len)
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{
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return !!fvec_pop_end(&inner->backing, len);
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}
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extern "C" void _fb_run_tests()
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{
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fixed_spill_vector<int, 8> test;
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int r0,r1=0;
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for(int i=0;i<10;i++) {
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D_dprintf("push: %d", (10-i));
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test.push_back(10-i);
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r1+= (10-i);
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}
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D_dprintf("r1: %d", r1);
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r0=0;
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while(test.size())
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{
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r0+=test.back();
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D_dprintf("back: %d", test.back());
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test.pop_back();
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}
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D_dprintf("r0: %d", r0);
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if(r0!=r1) panic("fb failed test: %d, %d", r0, r1);
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D_dprintf("test successful");
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}
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