Precommit (#1)

* first commit

* cleanup

sdv_executables/sdv_control/print_table.h

@@ -0,0 +1,83 @@
+#ifndef TABLE_H
+#define TABLE_H
+
+#include <string>
+#include <vector>
+#include <array>
+#include <iostream>
+
+/**
+ * @brief Print a table of a vector of rows.
+ * @tparam nSize The array size.
+ * @details the first line is the header.
+ * @param[in] rvecRows Reference to the vector of rows.
+ * @param[in] rstream The output stream to use for printing.
+ * @param[in] bNoHeader When set, skip the first row (the header row).
+ */
+template <size_t nSize>
+void PrintTable(const std::vector<std::array<std::string, nSize>>& rvecRows, std::ostream& rstream, bool bNoHeader = false)
+{
+    // Calculate the maximum length of the column by going through each cell.
+    bool bSkipFirst = bNoHeader;
+    size_t rgnLength[nSize] = {};
+    for (const auto& rrgssRow : rvecRows)
+    {
+        if (bSkipFirst)
+        {
+            bSkipFirst = false;
+            continue;
+        }
+
+        for (size_t nIndex = 0; nIndex < nSize; nIndex++)
+        {
+            if (rrgssRow[nIndex].size() > rgnLength[nIndex])
+                rgnLength[nIndex] = rrgssRow[nIndex].size();
+        }
+    }
+
+    // Print a cell
+    auto fnPrintCell = [&](size_t nIndex, const std::string& rssText)
+    {
+        // Print the text
+        rstream << rssText;
+
+        // Check index
+        if (nIndex == nSize - 1)    // Last column; nl needed
+            rstream << std::endl;
+        else // Separator needed
+            rstream << std::string(rgnLength[nIndex] - rssText.size() + 2, ' ');
+    };
+
+    // Print each line
+    bSkipFirst = bNoHeader;
+    bool bInitialLine = !bNoHeader;
+    for (const auto& rrgssRow : rvecRows)
+    {
+        if (bSkipFirst)
+        {
+            bSkipFirst = false;
+            continue;
+        }
+
+        // Start with a space if a header is present
+        if (!bNoHeader)
+            rstream << " ";
+
+        // Print the text
+        for (size_t nIndex = 0; nIndex < nSize; nIndex++)
+            fnPrintCell(nIndex, rrgssRow[nIndex]);
+
+        // Need a vertical separator?
+        if (bInitialLine)
+        {
+            size_t nSeparatorLength = 1;
+            for (size_t nIndex = 0; nIndex < nSize; nIndex++)
+                nSeparatorLength += rgnLength[nIndex] + 2;
+            nSeparatorLength--;
+            rstream << std::string(nSeparatorLength, '-') << std::endl;
+            bInitialLine = false;
+        }
+    }
+}
+
+#endif // !defined TABLE_H