1 files changed, 172 insertions, 0 deletions
diff --git a/unit/atf-src/tools/ui.cpp b/unit/atf-src/tools/ui.cpp
new file mode 100644
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--- /dev/null
+++ b/unit/atf-src/tools/ui.cpp
@@ -0,0 +1,172 @@
+//
+// Automated Testing Framework (atf)
+//
+// Copyright (c) 2007 The NetBSD Foundation, Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+
+extern "C" {
+#include <sys/ioctl.h>
+
+#include <termios.h>
+#include <unistd.h>
+}
+
+#include <cassert>
+#include <sstream>
+
+#include "env.hpp"
+#include "text.hpp"
+#include "ui.hpp"
+
+namespace impl = tools::ui;
+#define IMPL_NAME "tools::ui"
+
+static
+size_t
+terminal_width(void)
+{
+    static bool done = false;
+    static size_t width = 0;
+
+    if (!done) {
+        if (tools::env::has("COLUMNS")) {
+            const std::string cols = tools::env::get("COLUMNS");
+            if (cols.length() > 0) {
+                width = tools::text::to_type< size_t >(cols);
+            }
+        } else {
+            struct winsize ws;
+            if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) != -1)
+                width = ws.ws_col;
+        }
+
+        if (width >= 80)
+            width -= 5;
+
+        done = true;
+    }
+
+    return width;
+}
+
+static
+std::string
+format_paragraph(const std::string& text,
+                 const std::string& tag,
+                 const bool first,
+                 const bool repeat,
+                 const size_t col)
+{
+    assert(text.find('\n') == std::string::npos);
+
+    const std::string pad(col - tag.length(), ' ');
+    const std::string fullpad(col, ' ');
+
+    std::string formatted;
+    if (first || repeat)
+        formatted = tag + pad;
+    else
+        formatted = fullpad;
+    assert(formatted.length() == col);
+    size_t curcol = col;
+
+    const size_t maxcol = terminal_width();
+
+    std::vector< std::string > words = tools::text::split(text, " ");
+    for (std::vector< std::string >::const_iterator iter = words.begin();
+         iter != words.end(); iter++) {
+        const std::string& word = *iter;
+
+        if (iter != words.begin() && maxcol > 0 &&
+            curcol + word.length() + 1 > maxcol) {
+            if (repeat)
+                formatted += '\n' + tag + pad;
+            else
+                formatted += '\n' + fullpad;
+            curcol = col;
+        } else if (iter != words.begin()) {
+            formatted += ' ';
+            curcol++;
+        }
+
+        formatted += word;
+        curcol += word.length();
+    }
+
+    return formatted;
+}
+
+std::string
+impl::format_error(const std::string& prog_name, const std::string& error)
+{
+    return format_text_with_tag("ERROR: " + error, prog_name + ": ", true);
+}
+
+std::string
+impl::format_info(const std::string& prog_name, const std::string& msg)
+{
+    return format_text_with_tag(msg, prog_name + ": ", true);
+}
+
+std::string
+impl::format_text(const std::string& text)
+{
+    return format_text_with_tag(text, "", false, 0);
+}
+
+std::string
+impl::format_text_with_tag(const std::string& text, const std::string& tag,
+                           bool repeat, size_t col)
+{
+    assert(col == 0 || col >= tag.length());
+    if (col == 0)
+        col = tag.length();
+
+    std::string formatted;
+
+    std::vector< std::string > lines = tools::text::split(text, "\n");
+    for (std::vector< std::string >::const_iterator iter = lines.begin();
+         iter != lines.end(); iter++) {
+        const std::string& line = *iter;
+
+        formatted += format_paragraph(line, tag, iter == lines.begin(),
+                                      repeat, col);
+        if (iter + 1 != lines.end()) {
+            if (repeat)
+                formatted += "\n" + tag + "\n";
+            else
+                formatted += "\n\n";
+        }
+    }
+
+    return formatted;
+}
+
+std::string
+impl::format_warning(const std::string& prog_name, const std::string& error)
+{
+    return format_text_with_tag("WARNING: " + error, prog_name + ": ", true);
+}