1 files changed, 186 insertions, 93 deletions
diff --git a/3rdParty/Boost/src/libs/program_options/src/value_semantic.cpp b/3rdParty/Boost/src/libs/program_options/src/value_semantic.cpp
index f5770f1..5314029 100644
--- a/3rdParty/Boost/src/libs/program_options/src/value_semantic.cpp
+++ b/3rdParty/Boost/src/libs/program_options/src/value_semantic.cpp
@@ -7,6 +7,8 @@
 #include <boost/program_options/config.hpp>
 #include <boost/program_options/value_semantic.hpp>
 #include <boost/program_options/detail/convert.hpp>
+#include <boost/program_options/detail/cmdline.hpp>
+#include <set>
 
 #include <cctype>
 
@@ -14,6 +16,22 @@ namespace boost { namespace program_options {
 
     using namespace std;
 
+
+#ifndef BOOST_NO_STD_WSTRING
+    namespace
+    {
+        std::string convert_value(const std::wstring& s)
+        {
+            try {
+                return to_local_8_bit(s);
+            }
+            catch(const std::exception&) {
+                return "<unrepresentable unicode string>";
+            }
+        }
+    }
+#endif
+
     void 
     value_semantic_codecvt_helper<char>::
     parse(boost::any& value_store, 
@@ -139,7 +157,7 @@ namespace boost { namespace program_options {
         else if (s == "off" || s == "no" || s == "0" || s == "false")
             v = any(false);
         else
-            boost::throw_exception(validation_error(validation_error::invalid_bool_value, s));
+            boost::throw_exception(invalid_bool_value(s));
     }
 
     // This is blatant copy-paste. However, templating this will cause a problem,
@@ -161,7 +179,7 @@ namespace boost { namespace program_options {
         else if (s == L"off" || s == L"no" || s == L"0" || s == L"false")
             v = any(false);
         else
-            boost::throw_exception(validation_error(validation_error::invalid_bool_value));
+            boost::throw_exception(invalid_bool_value(convert_value(s)));
     }
 #endif
     BOOST_PROGRAM_OPTIONS_DECL 
@@ -194,120 +212,212 @@ namespace boost { namespace program_options {
 
     invalid_option_value::
     invalid_option_value(const std::string& bad_value)
-    : validation_error(validation_error::invalid_option_value, bad_value)
-    {}
-
-#ifndef BOOST_NO_STD_WSTRING
-    namespace
+    : validation_error(validation_error::invalid_option_value)
     {
-        std::string convert_value(const std::wstring& s)
-        {
-            try {
-                return to_local_8_bit(s);
-            }
-            catch(const std::exception&) {
-                return "<unrepresentable unicode string>";
-            }
-        }
+        set_substitute("value", bad_value);
     }
 
+#ifndef BOOST_NO_STD_WSTRING
     invalid_option_value::
     invalid_option_value(const std::wstring& bad_value)
-    : validation_error(validation_error::invalid_option_value, convert_value(bad_value))
-    {}
-#endif
-    const std::string& 
-    unknown_option::get_option_name() const throw()
-    { 
-        return m_option_name; 
+    : validation_error(validation_error::invalid_option_value)
+    {
+        set_substitute("value", convert_value(bad_value));
     }
+#endif
 
-    const std::string& 
-    ambiguous_option::get_option_name() const throw()
-    { 
-        return m_option_name; 
-    }
- 
-    const std::vector<std::string>& 
-    ambiguous_option::alternatives() const throw()
+
+
+    invalid_bool_value::
+    invalid_bool_value(const std::string& bad_value)
+    : validation_error(validation_error::invalid_bool_value)
     {
-        return m_alternatives;
+        set_substitute("value", bad_value);
     }
 
-    void 
-    multiple_values::set_option_name(const std::string& option_name)
+
+
+
+
+
+    error_with_option_name::error_with_option_name( const std::string& template_,
+                                                  const std::string& option_name,
+                                                  const std::string& original_token,
+                                                  int option_style) : 
+                                        error(template_),
+                                        m_option_style(option_style),
+                                        m_error_template(template_)
     {
-        m_option_name = option_name;
+        //                     parameter            |     placeholder               |   value
+        //                     ---------            |     -----------               |   -----
+        set_substitute_default("canonical_option",  "option '%canonical_option%'",  "option");
+        set_substitute_default("value",             "argument ('%value%')",         "argument");
+        set_substitute_default("prefix",            "%prefix%",                     "");
+        m_substitutions["option"] = option_name;
+        m_substitutions["original_token"] = original_token;
     }
 
-    const std::string& 
-    multiple_values::get_option_name() const throw()
+
+    const char* error_with_option_name::what() const throw()
     {
-        return m_option_name;
+        // will substitute tokens each time what is run()
+        substitute_placeholders(m_error_template);
+
+        return m_message.c_str();
     }
-    
-    void 
-    multiple_occurrences::set_option_name(const std::string& option_name)
+
+    void error_with_option_name::replace_token(const string& from, const string& to) const
     {
-        m_option_name = option_name;
+        while (1)
+        {
+            std::size_t pos = m_message.find(from.c_str(), 0, from.length());
+            // not found: all replaced
+            if (pos == std::string::npos)
+                return;
+            m_message.replace(pos, from.length(), to);
+        }
     }
 
-    const std::string& 
-    multiple_occurrences::get_option_name() const throw()
+    string error_with_option_name::get_canonical_option_prefix() const
     {
-        return m_option_name;
+        switch (m_option_style)
+        {
+        case command_line_style::allow_dash_for_short:
+            return "-";
+        case command_line_style::allow_slash_for_short:
+            return "/";
+        case command_line_style::allow_long_disguise:
+            return "-";
+        case command_line_style::allow_long:
+            return "--";
+        case 0:
+            return "";
+        }
+        throw std::logic_error("error_with_option_name::m_option_style can only be "
+                               "one of [0, allow_dash_for_short, allow_slash_for_short, "
+                               "allow_long_disguise or allow_long]");
     }
-        
-    validation_error::    
-    validation_error(kind_t kind, 
-                     const std::string& option_value, 
-                     const std::string& option_name)
-     : error("")
-     , m_kind(kind) 
-     , m_option_name(option_name)
-     , m_option_value(option_value)
-     , m_message(error_message(kind))
+
+
+    string error_with_option_name::get_canonical_option_name() const
     {
-       if (!option_value.empty())
-       {
-          m_message.append(std::string("'") + option_value + std::string("'"));
-       }
+        if (!m_substitutions.find("option")->second.length())
+            return m_substitutions.find("original_token")->second;
+
+        string original_token   = strip_prefixes(m_substitutions.find("original_token")->second);
+        string option_name      = strip_prefixes(m_substitutions.find("option")->second);
+
+        //  For long options, use option name
+        if (m_option_style == command_line_style::allow_long        || 
+             m_option_style == command_line_style::allow_long_disguise)
+            return get_canonical_option_prefix() + option_name;
+
+        //  For short options use first letter of original_token
+        if (m_option_style && original_token.length())
+            return get_canonical_option_prefix() + original_token[0];
+
+        // no prefix
+        return option_name;
     }
 
-    void 
-    validation_error::set_option_name(const std::string& option_name)
+
+    void error_with_option_name::substitute_placeholders(const string& error_template) const
     {
-        m_option_name = option_name;
+        m_message = error_template;
+        std::map<std::string, std::string> substitutions(m_substitutions);
+        substitutions["canonical_option"]   = get_canonical_option_name();
+        substitutions["prefix"]             = get_canonical_option_prefix();
+
+
+        //
+        //  replace placeholder with defaults if values are missing 
+        // 
+        for (map<string, string_pair>::const_iterator iter = m_substitution_defaults.begin();
+              iter != m_substitution_defaults.end(); ++iter)
+        {
+            // missing parameter: use default
+            if (substitutions.count(iter->first) == 0 ||
+                substitutions[iter->first].length() == 0)
+                replace_token(iter->second.first, iter->second.second);
+        }
+
+
+        //
+        //  replace placeholder with values
+        //  placeholder are denoted by surrounding '%'
+        // 
+        for (map<string, string>::iterator iter = substitutions.begin();
+              iter != substitutions.end(); ++iter)
+            replace_token('%' + iter->first + '%', iter->second);
     }
 
-    const std::string& 
-    validation_error::get_option_name() const throw()
+
+    void ambiguous_option::substitute_placeholders(const string& original_error_template) const
     {
-        return m_option_name;
+        // For short forms, all alternatives must be identical, by
+        //      definition, to the specified option, so we don't need to
+        //      display alternatives
+        if (m_option_style == command_line_style::allow_dash_for_short || 
+            m_option_style == command_line_style::allow_slash_for_short)
+        {
+            error_with_option_name::substitute_placeholders(original_error_template);
+            return;
+        }
+
+
+        string error_template  = original_error_template;
+        // remove duplicates using std::set
+        std::set<std::string>   alternatives_set (m_alternatives.begin(), m_alternatives.end());
+        std::vector<std::string> alternatives_vec (alternatives_set.begin(), alternatives_set.end());
+
+        error_template += " and matches ";
+        // Being very cautious: should be > 1 alternative!
+        if (alternatives_vec.size() > 1)
+        {
+            for (unsigned i = 0; i < alternatives_vec.size() - 1; ++i)
+                error_template += "'%prefix%" + alternatives_vec[i] + "', ";
+            error_template += "and ";
+        }
+
+        // there is a programming error if multiple options have the same name...
+        if (m_alternatives.size() > 1 && alternatives_vec.size() == 1)
+            error_template += "different versions of ";
+
+        error_template += "'%prefix%" + alternatives_vec.back() + "'";
+
+
+        // use inherited logic
+        error_with_option_name::substitute_placeholders(error_template);
     }
 
-    std::string 
-    validation_error::error_message(kind_t kind)
+
+
+
+
+
+    string 
+    validation_error::get_template(kind_t kind)
     {
         // Initially, store the message in 'const char*' variable,
         // to avoid conversion to std::string in all cases.
         const char* msg;
         switch(kind)
         {
-        case multiple_values_not_allowed:
-            msg = "multiple values not allowed";
-            break;
-        case at_least_one_value_required:
-            msg = "at least one value required";
-            break;
         case invalid_bool_value:
-            msg = "invalid bool value";
+            msg = "the argument ('%value%') for option '%canonical_option%' is invalid. Valid choices are 'on|off', 'yes|no', '1|0' and 'true|false'";
             break;
         case invalid_option_value:
-            msg = "invalid option value";
+            msg = "the argument ('%value%') for option '%canonical_option%' is invalid";
+            break;
+        case multiple_values_not_allowed:
+            msg = "option '%canonical_option%' only takes a single argument";
+            break;
+        case at_least_one_value_required:
+            msg = "option '%canonical_option%' requires at least one argument";
             break;
+        // currently unused
         case invalid_option:
-            msg = "invalid option";
+            msg = "option '%canonical_option%' is not valid";
             break;
         default:
             msg = "unknown error";
@@ -315,21 +425,4 @@ namespace boost { namespace program_options {
         return msg;
     }
 
-    const char* 
-    validation_error::what() const throw()
-    {
-        if (!m_option_name.empty())
-        {
-            m_message = "in option '" + m_option_name + "': " 
-                + error_message(m_kind);
-        }
-        return m_message.c_str();
-    }
-    
-    const std::string& 
-    required_option::get_option_name() const throw()
-    {
-        return m_option_name;
-    }
-
 }}