Initial implementation of configuration snapshotting.

1 files changed, 48 insertions, 0 deletions

diff --git a/xs/src/libslic3r/FileParserError.hpp b/xs/src/libslic3r/FileParserError.hpp
new file mode 100644
index 000000000..82a6b328e
--- /dev/null
+++ b/xs/src/libslic3r/FileParserError.hpp
@@ -0,0 +1,48 @@
+#ifndef slic3r_FileParserError_hpp_
+#define slic3r_FileParserError_hpp_
+
+#include "libslic3r.h"
+
+#include <string>
+#include <stdexcept>
+
+namespace Slic3r {
+
+// Generic file parser error, mostly copied from boost::property_tree::file_parser_error
+class file_parser_error: public std::runtime_error
+{
+public:
+    file_parser_error(const std::string &msg, const std::string &file, unsigned long line = 0) :
+        std::runtime_error(format_what(msg, file, line)),
+        m_message(msg), m_filename(file), m_line(line) {}
+    // gcc 3.4.2 complains about lack of throw specifier on compiler
+    // generated dtor
+    ~file_parser_error() throw() {}
+
+    // Get error message (without line and file - use what() to get full message)
+    std::string message() const { return m_message; }
+    // Get error filename
+    std::string filename() const { return m_filename; }
+    // Get error line number
+    unsigned long line() const { return m_line; }
+
+private:
+    std::string     m_message;
+    std::string     m_filename;
+    unsigned long   m_line;
+
+    // Format error message to be returned by std::runtime_error::what()
+    static std::string format_what(const std::string &msg, const std::string &file, unsigned long l)
+    {
+        std::stringstream stream;
+        stream << (file.empty() ? "<unspecified file>" : file.c_str());
+        if (l > 0)
+            stream << '(' << l << ')';
+        stream << ": " << msg;
+        return stream.str();
+    }
+};
+
+}; // Slic3r
+
+#endif // slic3r_FileParserError_hpp_