Change directory structure

luprex/cpp/core/debugcollector.cpp

@@ -0,0 +1,89 @@
+
+
+#include <cstring>
+#include <algorithm>
+
+#include "debugcollector.hpp"
+#include "util.hpp"
+
+void DebugCollector::flush() {
+    if (need_flush_) {
+        eng::string str = oss_.str();
+        if (!str.empty()) {
+            if (is_regular_) n_regular_ += 1;
+            lines_.push_back(str);
+            oss_.str("");
+        }
+        need_flush_ = false;
+    }
+}
+
+DebugCollector::DebugCollector() : n_regular_(0), need_flush_(false), is_regular_(true), active_(false) {
+}
+
+DebugCollector::DebugCollector(const eng::string &targets) 
+    : n_regular_(0), need_flush_(false), is_regular_(true), active_(false) {
+    targets_ = util::split(targets, ',');
+    std::sort(targets_.begin(), targets_.end());
+}
+
+bool DebugCollector::use(const char *target) {
+    int lo = 0;
+    int hi = targets_.size();
+    while (hi > lo) {
+        int mid = (hi + lo) >> 1;
+        int cmp = strcmp(targets_[mid].c_str(), target);
+        if (cmp == 0) return true;
+        if (cmp > 0) hi = mid;
+        else lo = mid + 1;
+    }
+    return false;
+}
+
+bool DebugCollector::do_line() {
+    if (active_) {
+        flush();
+        need_flush_ = true;
+        is_regular_ = true;
+        return true;
+    } else return false;
+}
+
+bool DebugCollector::do_header() {
+    flush();
+    need_flush_ = true;
+    is_regular_ = false;
+    return true;
+}
+
+void DebugCollector::dump(std::ostream &os) {
+    flush();
+    for (const eng::string &line : lines_) {
+        os << line << std::endl;
+    }
+}
+
+DebugBlock::DebugBlock(DebugCollector *dbc, const char *target) {
+    dbc_ = dbc;
+    if (dbc) {
+        n_regular_ = dbc->n_regular_;
+        n_lines_ = dbc->lines_.size();
+        active_ = (!dbc->active_) && (dbc->use(target));
+        if (active_) dbc_->active_ = true;
+    }
+}
+
+DebugBlock::~DebugBlock() {
+    if (dbc_) {
+        dbc_->flush();
+        // If no regular lines have been added,
+        // remove all header lines that were added.
+        if (dbc_->n_regular_ == n_regular_) {
+            if (dbc_->lines_.size() != n_lines_) {
+                dbc_->lines_.resize(n_lines_);
+            }
+        }
+        if (active_) dbc_->active_ = false;
+    }
+}
+