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105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
// cdbmake.cpp
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#include <ulib/db/cdb.h>
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#include <ulib/container/vector.h>
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#include <ulib/utility/string_ext.h>
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#undef PACKAGE
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#define PACKAGE "cdbmake"
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#define ARGS "[path of file that contains a series of encoded records] [check input]"
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#define U_OPTIONS \
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"purpose 'create a constant database (cdb)'\n"
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#include <ulib/application.h>
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class Application : public UApplication {
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public:
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~Application()
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{
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U_TRACE(5, "Application::~Application()")
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}
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void run(int argc, char* argv[], char* env[])
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{
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U_TRACE(5, "Application::run(%d,%p,%p)", argc, argv, env)
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UApplication::run(argc, argv, env);
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UString records = UFile::contentOf(argv[optind]);
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# ifdef U_STDCPP_ENABLE
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if (records)
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{
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UCDB x(false);
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if (x.UFile::creat(U_STRING_FROM_CONSTANT("/tmp/cdbmake.cdb")) &&
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x.UFile::ftruncate(UCDB::sizeFor(1) + records.size() * 2) &&
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x.UFile::memmap(PROT_READ | PROT_WRITE))
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{
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const char* bcheck = argv[++optind];
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if (bcheck)
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{
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// +11,10:74@10.8.1.5->0 10.8.1.5
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// ....
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// +12,10:114@10.8.1.2->0 10.8.1.2
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UVector<UString> vec_records(records, '\n');
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UString line, buffer(U_CAPACITY), output(U_CAPACITY);
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for (uint32_t i = 0, n = vec_records.size(); i < n; ++i)
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{
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line = UStringExt::trim(vec_records[i]);
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U_INTERNAL_ASSERT_EQUALS(line.first_char(), '+')
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uint32_t sz = line.size(),
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pos1 = line.find_first_of(':'),
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pos2 = line.find_first_of('-', pos1);
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U_INTERNAL_ASSERT_DIFFERS(pos2, U_NOT_FOUND)
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while (line.c_char(++pos2) != '>')
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{
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pos2 = line.find_first_of('-', pos2);
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U_INTERNAL_ASSERT_DIFFERS(pos2, U_NOT_FOUND)
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}
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uint32_t sz1 = pos2-pos1-2,
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sz2 = sz-pos2-1;
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buffer.snprintf(U_CONSTANT_TO_PARAM("+%u,%u:%.*s->%.*s\n"), sz1, sz2, sz1, line.c_pointer(pos1+1), sz2, line.c_pointer(pos2+1));
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U_INTERNAL_DUMP("sz = %u sz1 = %u sz2 = %u pos1 = %u pos2 = %u line = %V buffer = %V", sz, sz1, sz2, pos1, pos2, line.rep, buffer.rep)
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(void) output.append(buffer);
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}
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# ifdef DEBUG // NB: to avoid DEAD OF SOURCE STRING WITH CHILD ALIVE...
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line.clear();
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vec_records.clear();
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# endif
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records = output;
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}
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istrstream is(U_STRING_TO_PARAM(records));
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is >> x; // NB: this do ftruncate() e munmap()...
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x.UFile::close();
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x.UFile::reset();
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}
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}
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# endif
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}
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private:
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};
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U_MAIN
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