mirror of https://github.com/tstack/lnav.git
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
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#ifndef __db_sub_source_hh
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#define __db_sub_source_hh
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#include <string>
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#include <vector>
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#include "hist_source.hh"
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class db_label_source : public hist_source::label_source {
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public:
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db_label_source() { };
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~db_label_source() { };
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void hist_label_for_bucket(int bucket_start_value,
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const hist_source::bucket_t &bucket,
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std::string &label_out) {
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/*
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* start_value is the result rowid, each bucket type is a column value
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* label_out should be the raw text output.
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*/
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label_out.clear();
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if (bucket_start_value >= this->dls_rows.size())
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return;
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for (int lpc = 0; lpc < this->dls_rows[bucket_start_value].size(); lpc++) {
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label_out.append(this->dls_column_sizes[lpc] - this->dls_rows[bucket_start_value][lpc].length(), ' ');
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label_out.append(this->dls_rows[bucket_start_value][lpc]);
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}
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};
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void push_column(const char *colstr) {
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int index = this->dls_rows.back().size();
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this->dls_rows.back().push_back(colstr);
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if (this->dls_rows.back().size() > this->dls_column_sizes.size()) {
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this->dls_column_sizes.push_back(1);
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}
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this->dls_column_sizes[index] =
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std::max(this->dls_column_sizes[index], strlen(colstr) + 1);
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};
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std::vector< std::vector< std::string > > dls_rows;
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std::vector< size_t > dls_column_sizes;
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};
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#endif
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