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* Every function in its own file, part 6 [#CLICKHOUSE-2] * Every function in its own file, part 6 [#CLICKHOUSE-2] * Every function in its own file, part 6 [#CLICKHOUSE-2]
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionStringToString.h>
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#include <Functions/FunctionsURL.h>
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#include <common/find_symbols.h>
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namespace DB
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{
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struct ExtractPath
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{
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static size_t getReserveLengthForElement() { return 25; }
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static void execute(Pos data, size_t size, Pos & res_data, size_t & res_size)
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{
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res_data = data;
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res_size = 0;
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Pos pos = data;
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Pos end = pos + size;
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if (end != (pos = find_first_symbols<'/'>(pos, end)) && pos[1] == '/' && end != (pos = find_first_symbols<'/'>(pos + 2, end)))
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{
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Pos query_string_or_fragment = find_first_symbols<'?', '#'>(pos, end);
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res_data = pos;
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res_size = query_string_or_fragment - res_data;
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}
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}
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};
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struct NamePath { static constexpr auto name = "path"; };
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using FunctionPath = FunctionStringToString<ExtractSubstringImpl<ExtractPath>, NamePath>;
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void registerFunctionPath(FunctionFactory & factory)
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{
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factory.registerFunction<FunctionPath>();
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}
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}
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