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ColorRegistry: permit overriding an alias

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This commit is contained in:
Maxime Coste 2012-09-17 21:01:11 +02:00
parent 4d369d6290
commit a92a6dc7f3
3 changed files with 15 additions and 8 deletions
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5
src/color_registry.cc
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@ -35,9 +35,10 @@ const ColorPair& ColorRegistry::operator[](const String& colordesc)
m_aliases[colordesc] = colpair;
}
void ColorRegistry::register_alias(const String& name, const String& colordesc)
void ColorRegistry::register_alias(const String& name, const String& colordesc,
bool override)
{
if (m_aliases.find(name) != m_aliases.end())
if (not override and m_aliases.find(name) != m_aliases.end())
throw runtime_error("alias '" + name + "' already defined");
if (std::find_if(name.begin(), name.end(),

3
src/color_registry.hh
View File

@ -15,7 +15,8 @@ class ColorRegistry : public Singleton<ColorRegistry>
{
public:
const ColorPair& operator[](const String& colordesc);
void register_alias(const String& name, const String& colordesc);
void register_alias(const String& name, const String& colordesc,
bool override = false);
private:
std::unordered_map<String, ColorPair> m_aliases;

15
src/commands.cc
View File

@ -750,6 +750,15 @@ void try_catch(const CommandParameters& params, Context& context)
}
}
void define_color_alias(const CommandParameters& params, Context& context)
{
ParametersParser parser(params, { { "allow-override", false } });
if (parser.positional_count() != 2)
throw wrong_argument_count();
ColorRegistry::instance().register_alias(
parser[0], parser[1], parser.has_option("allow-override"));
}
}
void register_commands()
@ -863,11 +872,7 @@ void register_commands()
{ return context.window().option_manager().complete_option_name(prefix, cursor_pos); }
}));
cm.register_commands({"ca", "colalias"},
[](const CommandParameters& params, Context&) {
if (params.size() != 2) throw wrong_argument_count();
ColorRegistry::instance().register_alias(params[0], params[1]);
});
cm.register_commands({"ca", "colalias"}, define_color_alias);
}
}