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refactor regex prompting commands

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This commit is contained in:
Maxime Coste 2013-04-05 18:29:05 +02:00
parent 9bb9eda302
commit c53319ce5e
1 changed files with 46 additions and 51 deletions
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97
src/main.cc
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@ -312,20 +312,13 @@ void do_paste(Context& context)
editor.insert(strings, mode); editor.insert(strings, mode);
} }
void do_select_regex(Context& context) template<typename T>
void regex_prompt(Context& context, const String prompt, T on_validate)
{ {
context.input_handler().prompt("select: ", get_color("Prompt"), complete_nothing, context.input_handler().prompt(prompt, get_color("Prompt"), complete_nothing,
[](const String& str, PromptEvent event, Context& context) { [=](const String& str, PromptEvent event, Context& context) {
if (event == PromptEvent::Validate) if (event == PromptEvent::Validate)
{ on_validate(str, context);
String ex = str;
if (ex.empty())
ex = RegisterManager::instance()['/'].values(context)[0];
else
RegisterManager::instance()['/'] = ex;
if (not ex.empty())
context.editor().multi_select(std::bind(select_all_matches, _1, ex));
}
else if (event == PromptEvent::Change) else if (event == PromptEvent::Change)
{ {
const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0; const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0;
@ -334,26 +327,30 @@ void do_select_regex(Context& context)
}); });
} }
void do_select_regex(Context& context)
{
regex_prompt(context, "select: ", [](const String& str, Context& context) {
String ex = str;
if (ex.empty())
ex = RegisterManager::instance()['/'].values(context)[0];
else
RegisterManager::instance()['/'] = ex;
if (not ex.empty())
context.editor().multi_select(std::bind(select_all_matches, _1, ex));
});
}
void do_split_regex(Context& context) void do_split_regex(Context& context)
{ {
context.input_handler().prompt("split: ", get_color("Prompt"), complete_nothing, regex_prompt(context, "split: ", [](const String& str, Context& context) {
[](const String& str, PromptEvent event, Context& context) { String ex = str;
if (event == PromptEvent::Validate) if (ex.empty())
{ ex = RegisterManager::instance()['/'].values(context)[0];
String ex = str; else
if (ex.empty()) RegisterManager::instance()['/'] = ex;
ex = RegisterManager::instance()['/'].values(context)[0]; if (not ex.empty())
else context.editor().multi_select(std::bind(split_selection, _1, ex));
RegisterManager::instance()['/'] = ex; });
if (not ex.empty())
context.editor().multi_select(std::bind(split_selection, _1, ex));
}
else if (event == PromptEvent::Change)
{
const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0;
context.input_handler().set_prompt_colors(get_color(ok ? "Prompt" : "Error"));
}
});
} }
void do_split_lines(Context& context) void do_split_lines(Context& context)
@ -386,29 +383,27 @@ template<bool matching>
void do_keep(Context& context) void do_keep(Context& context)
{ {
constexpr const char* prompt = matching ? "keep matching: " : "keep not matching: "; constexpr const char* prompt = matching ? "keep matching: " : "keep not matching: ";
context.input_handler().prompt(prompt, get_color("Prompt"), complete_nothing, regex_prompt(context, prompt, [](const String& str, Context& context) {
[](const String& str, PromptEvent event, Context& context) { try
if (event == PromptEvent::Validate) {
Regex re(str);
Editor& editor = context.editor();
SelectionList sels = editor.selections();
SelectionList keep;
for (auto& sel : sels)
{ {
Regex re(str); if (boost::regex_search(sel.begin(), sel.end(), re) == matching)
Editor& editor = context.editor(); keep.push_back(sel);
SelectionList sels = editor.selections();
SelectionList keep;
for (auto& sel : sels)
{
if (boost::regex_search(sel.begin(), sel.end(), re) == matching)
keep.push_back(sel);
}
if (keep.empty())
throw runtime_error("no selections remaining");
editor.select(std::move(keep));
} }
else if (event == PromptEvent::Change) if (keep.empty())
{ throw runtime_error("no selections remaining");
const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0; editor.select(std::move(keep));
context.input_handler().set_prompt_colors(get_color(ok ? "Prompt" : "Error")); }
} catch (boost::regex_error& error)
}); {
throw runtime_error("regex_error: "_str + error.what());
}
});
} }
void do_indent(Context& context) void do_indent(Context& context)