10 #ifndef LLVM_LINEEDITOR_LINEEDITOR_H
11 #define LLVM_LINEEDITOR_LINEEDITOR_H
34 FILE *Out = stdout, FILE *Err = stderr);
69 : TypedText(TypedText), DisplayText(DisplayText) {}
85 Completer.reset(
new CompleterModel<T>(Comp));
93 Completer.reset(
new ListCompleterModel<T>(Comp));
113 std::string HistoryPath;
114 std::unique_ptr<InternalData> Data;
116 struct CompleterConcept {
117 virtual ~CompleterConcept();
118 virtual CompletionAction complete(
StringRef Buffer,
size_t Pos)
const = 0;
121 struct ListCompleterConcept : CompleterConcept {
122 ~ListCompleterConcept()
override;
123 CompletionAction complete(StringRef Buffer,
size_t Pos)
const override;
124 static std::string getCommonPrefix(
const std::vector<Completion> &Comps);
125 virtual std::vector<Completion> getCompletions(StringRef Buffer,
126 size_t Pos)
const = 0;
129 template <
typename T>
130 struct CompleterModel : CompleterConcept {
131 CompleterModel(
T Value) : Value(Value) {}
132 CompletionAction complete(StringRef Buffer,
size_t Pos)
const override {
133 return Value(Buffer, Pos);
138 template <
typename T>
139 struct ListCompleterModel : ListCompleterConcept {
140 ListCompleterModel(
T Value) : Value(Value) {}
141 std::vector<Completion> getCompletions(StringRef Buffer,
142 size_t Pos)
const override {
143 return Value(Buffer, Pos);
148 std::unique_ptr<const CompleterConcept> Completer;
static const char * ProgName
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