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| 1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 42 #define completion_matches rl_completion_matches | 42 #define completion_matches rl_completion_matches |
| 43 #endif | 43 #endif |
| 44 | 44 |
| 45 | 45 |
| 46 namespace v8 { | 46 namespace v8 { |
| 47 | 47 |
| 48 | 48 |
| 49 class ReadLineEditor: public LineEditor { | 49 class ReadLineEditor: public LineEditor { |
| 50 public: | 50 public: |
| 51 ReadLineEditor() : LineEditor(LineEditor::READLINE, "readline") { } | 51 ReadLineEditor() : LineEditor(LineEditor::READLINE, "readline") { } |
| 52 virtual i::SmartPointer<char> Prompt(const char* prompt); | 52 virtual i::SmartArrayPointer<char> Prompt(const char* prompt); |
| 53 virtual bool Open(); | 53 virtual bool Open(); |
| 54 virtual bool Close(); | 54 virtual bool Close(); |
| 55 virtual void AddHistory(const char* str); | 55 virtual void AddHistory(const char* str); |
| 56 private: | 56 private: |
| 57 static char** AttemptedCompletion(const char* text, int start, int end); | 57 static char** AttemptedCompletion(const char* text, int start, int end); |
| 58 static char* CompletionGenerator(const char* text, int state); | 58 static char* CompletionGenerator(const char* text, int state); |
| 59 static char kWordBreakCharacters[]; | 59 static char kWordBreakCharacters[]; |
| 60 }; | 60 }; |
| 61 | 61 |
| 62 | 62 |
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| 74 using_history(); | 74 using_history(); |
| 75 return read_history(Shell::kHistoryFileName) == 0; | 75 return read_history(Shell::kHistoryFileName) == 0; |
| 76 } | 76 } |
| 77 | 77 |
| 78 | 78 |
| 79 bool ReadLineEditor::Close() { | 79 bool ReadLineEditor::Close() { |
| 80 return write_history(Shell::kHistoryFileName) == 0; | 80 return write_history(Shell::kHistoryFileName) == 0; |
| 81 } | 81 } |
| 82 | 82 |
| 83 | 83 |
| 84 i::SmartPointer<char> ReadLineEditor::Prompt(const char* prompt) { | 84 i::SmartArrayPointer<char> ReadLineEditor::Prompt(const char* prompt) { |
| 85 char* result = readline(prompt); | 85 char* result = readline(prompt); |
| 86 return i::SmartPointer<char>(result); | 86 return i::SmartArrayPointer<char>(result); |
| 87 } | 87 } |
| 88 | 88 |
| 89 | 89 |
| 90 void ReadLineEditor::AddHistory(const char* str) { | 90 void ReadLineEditor::AddHistory(const char* str) { |
| 91 add_history(str); | 91 add_history(str); |
| 92 } | 92 } |
| 93 | 93 |
| 94 | 94 |
| 95 char** ReadLineEditor::AttemptedCompletion(const char* text, | 95 char** ReadLineEditor::AttemptedCompletion(const char* text, |
| 96 int start, | 96 int start, |
| 97 int end) { | 97 int end) { |
| 98 char** result = completion_matches(text, CompletionGenerator); | 98 char** result = completion_matches(text, CompletionGenerator); |
| 99 rl_attempted_completion_over = true; | 99 rl_attempted_completion_over = true; |
| 100 return result; | 100 return result; |
| 101 } | 101 } |
| 102 | 102 |
| 103 | 103 |
| 104 char* ReadLineEditor::CompletionGenerator(const char* text, int state) { | 104 char* ReadLineEditor::CompletionGenerator(const char* text, int state) { |
| 105 static unsigned current_index; | 105 static unsigned current_index; |
| 106 static Persistent<Array> current_completions; | 106 static Persistent<Array> current_completions; |
| 107 if (state == 0) { | 107 if (state == 0) { |
| 108 i::SmartPointer<char> full_text(i::StrNDup(rl_line_buffer, rl_point)); | 108 i::SmartArrayPointer<char> full_text(i::StrNDup(rl_line_buffer, rl_point)); |
| 109 HandleScope scope; | 109 HandleScope scope; |
| 110 Handle<Array> completions = | 110 Handle<Array> completions = |
| 111 Shell::GetCompletions(String::New(text), String::New(*full_text)); | 111 Shell::GetCompletions(String::New(text), String::New(*full_text)); |
| 112 current_completions = Persistent<Array>::New(completions); | 112 current_completions = Persistent<Array>::New(completions); |
| 113 current_index = 0; | 113 current_index = 0; |
| 114 } | 114 } |
| 115 if (current_index < current_completions->Length()) { | 115 if (current_index < current_completions->Length()) { |
| 116 HandleScope scope; | 116 HandleScope scope; |
| 117 Handle<Integer> index = Integer::New(current_index); | 117 Handle<Integer> index = Integer::New(current_index); |
| 118 Handle<Value> str_obj = current_completions->Get(index); | 118 Handle<Value> str_obj = current_completions->Get(index); |
| 119 current_index++; | 119 current_index++; |
| 120 String::Utf8Value str(str_obj); | 120 String::Utf8Value str(str_obj); |
| 121 return strdup(*str); | 121 return strdup(*str); |
| 122 } else { | 122 } else { |
| 123 current_completions.Dispose(); | 123 current_completions.Dispose(); |
| 124 current_completions.Clear(); | 124 current_completions.Clear(); |
| 125 return NULL; | 125 return NULL; |
| 126 } | 126 } |
| 127 } | 127 } |
| 128 | 128 |
| 129 | 129 |
| 130 } // namespace v8 | 130 } // namespace v8 |
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