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Shell: Add formatter for history events

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This commit is contained in:
AnotherTest 2021-01-14 16:01:07 +03:30 committed by Andreas Kling
parent 239472ba69
commit c1b4e86004
Notes: sideshowbarker 2024-07-18 23:50:52 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/c1b4e860041
Pull-request: https://github.com/SerenityOS/serenity/pull/4899
2 changed files with 57 additions and 0 deletions
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56
Userland/Shell/Formatter.cpp
View File

@ -369,6 +369,62 @@ void Formatter::visit(const AST::Glob* node)
visited(node);
}
void Formatter::visit(const AST::HistoryEvent* node)
{
will_visit(node);
test_and_update_output_cursor(node);
current_builder().append('!');
switch (node->selector().event.kind) {
case AST::HistorySelector::EventKind::ContainingStringLookup:
current_builder().append('?');
current_builder().append(node->selector().event.text);
break;
case AST::HistorySelector::EventKind::StartingStringLookup:
current_builder().append(node->selector().event.text);
break;
case AST::HistorySelector::EventKind::IndexFromStart:
current_builder().append(node->selector().event.text);
break;
case AST::HistorySelector::EventKind::IndexFromEnd:
if (node->selector().event.index == 0)
current_builder().append('!');
else
current_builder().append(node->selector().event.text);
break;
}
auto& range = node->selector().word_selector_range;
if (!range.end.has_value()
|| range.end.value().kind != AST::HistorySelector::WordSelectorKind::Last
|| range.start.kind != AST::HistorySelector::WordSelectorKind::Index || range.start.selector != 0) {
auto append_word = [this](auto& selector) {
switch (selector.kind) {
case AST::HistorySelector::WordSelectorKind::Index:
if (selector.selector == 0)
current_builder().append('^');
else
current_builder().appendff("{}", selector.selector);
break;
case AST::HistorySelector::WordSelectorKind::Last:
current_builder().append('$');
break;
}
};
current_builder().append(':');
append_word(range.start);
if (range.end.has_value()) {
current_builder().append('-');
append_word(range.end.value());
}
}
visited(node);
}
void Formatter::visit(const AST::Execute* node)
{
will_visit(node);

1
Userland/Shell/Formatter.h
View File

@ -71,6 +71,7 @@ private:
virtual void visit(const AST::FunctionDeclaration*) override;
virtual void visit(const AST::ForLoop*) override;
virtual void visit(const AST::Glob*) override;
virtual void visit(const AST::HistoryEvent*) override;
virtual void visit(const AST::Execute*) override;
virtual void visit(const AST::IfCond*) override;
virtual void visit(const AST::Join*) override;