10 #ifndef LLVM_LINEEDITOR_LINEEDITOR_H
11 #define LLVM_LINEEDITOR_LINEEDITOR_H
35 FILE *Out = stdout, FILE *Err = stderr);
70 : TypedText(TypedText), DisplayText(DisplayText) {}
86 Completer.reset(
new CompleterModel<T>(Comp));
94 Completer.reset(
new ListCompleterModel<T>(Comp));
114 std::string HistoryPath;
115 std::unique_ptr<InternalData> Data;
117 struct CompleterConcept {
118 virtual ~CompleterConcept();
119 virtual CompletionAction complete(
StringRef Buffer,
size_t Pos)
const = 0;
122 struct ListCompleterConcept : CompleterConcept {
123 ~ListCompleterConcept()
override;
124 CompletionAction complete(StringRef Buffer,
size_t Pos)
const override;
125 static std::string getCommonPrefix(
const std::vector<Completion> &Comps);
126 virtual std::vector<Completion> getCompletions(StringRef Buffer,
127 size_t Pos)
const = 0;
130 template <
typename T>
131 struct CompleterModel : CompleterConcept {
132 CompleterModel(
T Value) : Value(Value) {}
133 CompletionAction complete(StringRef Buffer,
size_t Pos)
const override {
134 return Value(Buffer, Pos);
139 template <
typename T>
140 struct ListCompleterModel : ListCompleterConcept {
141 ListCompleterModel(
T Value) : Value(std::move(Value)) {}
142 std::vector<Completion> getCompletions(StringRef Buffer,
143 size_t Pos)
const override {
144 return Value(Buffer, Pos);
149 std::unique_ptr<const CompleterConcept> Completer;
A possible completion at a given cursor position.
llvm::Optional< std::string > readLine() const
Reads a line.
std::string TypedText
The text to insert.
std::string DisplayText
A description of this completion.
void setPrompt(const std::string &P)
Completion(const std::string &TypedText, const std::string &DisplayText)
void setCompleter(T Comp)
Set the completer for this LineEditor.
Insert Text at the cursor position.
LineEditor(StringRef ProgName, StringRef HistoryPath="", FILE *In=stdin, FILE *Out=stdout, FILE *Err=stderr)
Create a LineEditor object.
static std::string getDefaultHistoryPath(StringRef ProgName)
The action to perform upon a completion request.
CompletionAction getCompletionAction(StringRef Buffer, size_t Pos) const
Use the current completer to produce a CompletionAction for the given completion request.
Show Completions, or beep if the list is empty.
std::vector< std::string > Completions
The list of completions to show.
void setListCompleter(T Comp)
Set the completer for this LineEditor to the given list completer.
std::string Text
The text to insert.
StringRef - Represent a constant reference to a string, i.e.
const std::string & getPrompt() const