50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#pragma once
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#include "wrap-vector.hpp"
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#include "wrap-string.hpp"
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#include "wrap-sstream.hpp"
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#include <ostream>
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#include <memory>
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class DebugCollector : public eng::nevernew {
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private:
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// At any given time, the stringstream may contain one
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// extra line that hasn't yet been appended to the list of lines.
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// The flag 'need_flush_' is true if the stringstream contains
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// an extra line. In that case, is_regular_ indicates whether
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// the extra line is a header or a regular line.
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eng::vector<eng::string> lines_;
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eng::vector<eng::string> targets_;
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int n_regular_;
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bool need_flush_;
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bool is_regular_;
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bool active_;
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void flush();
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bool use(const char *target);
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public:
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eng::ostringstream oss_;
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DebugCollector();
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DebugCollector(const eng::string &targets);
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bool do_header();
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bool do_line();
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void dump(std::ostream &os);
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friend class DebugBlock;
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};
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class DebugBlock : public eng::nevernew {
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private:
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DebugCollector *dbc_;
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int n_regular_;
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size_t n_lines_;
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bool active_;
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public:
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DebugBlock(DebugCollector *dbc, const char *target);
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~DebugBlock();
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};
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#define DebugHeader(dbc) if (((dbc)!=nullptr) && (dbc)->do_header()) ((dbc)->oss_)
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#define DebugLine(dbc) if (((dbc)!=nullptr) && (dbc)->do_line()) ((dbc)->oss_)
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