Moved error code into error.h.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/error.cc b/src/error.cc
new file mode 100644
index 00000000..8fc8fa53
--- /dev/null
+++ b/src/error.cc
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2003-2009, John Wiegley.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - 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.
+ *
+ * - Neither the name of New Artisans LLC nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
+ * OWNER 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.
+ */
+
+#include "utils.h"
+
+namespace ledger {
+
+std::ostringstream _desc_buffer;
+std::ostringstream _ctxt_buffer;
+
+string error_context()
+{
+  string context = _ctxt_buffer.str();
+  _ctxt_buffer.str("");
+  return context;
+}
+
+string file_context(const path& file, std::size_t line)
+{
+  std::ostringstream buf;
+  buf << "\"" << file << "\", line " << line << ": ";
+  return buf.str();
+}
+
+string line_context(const string&    line,
+		    istream_pos_type pos,
+		    istream_pos_type end_pos)
+{
+  std::ostringstream buf;
+  buf << "  " << line << "\n";
+
+  if (pos != istream_pos_type(0)) {
+    buf << "  ";
+    if (end_pos == istream_pos_type(0)) {
+      for (istream_pos_type i = 0; i < pos; i += 1)
+	buf << " ";
+      buf << "^";
+    } else {
+      for (istream_pos_type i = 0; i < end_pos; i += 1) {
+	if (i >= pos)
+	  buf << "^";
+	else
+	  buf << " ";
+      }
+    }
+  }
+  return buf.str();
+}
+
+void report_error(const std::exception& err)
+{
+  std::cerr << error_context() << std::endl
+	    << "Error: " << err.what() << std::endl;
+}
+
+} // namespace ledger