OptionValueFileSpec.cpp revision 341825
1//===-- OptionValueFileSpec.cpp ---------------------------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "lldb/Interpreter/OptionValueFileSpec.h" 11 12#include "lldb/Core/State.h" 13#include "lldb/DataFormatters/FormatManager.h" 14#include "lldb/Host/FileSystem.h" 15#include "lldb/Interpreter/CommandCompletions.h" 16#include "lldb/Interpreter/CommandInterpreter.h" 17#include "lldb/Utility/Args.h" 18#include "lldb/Utility/DataBufferLLVM.h" 19 20using namespace lldb; 21using namespace lldb_private; 22 23OptionValueFileSpec::OptionValueFileSpec(bool resolve) 24 : OptionValue(), m_current_value(), m_default_value(), m_data_sp(), 25 m_data_mod_time(), 26 m_completion_mask(CommandCompletions::eDiskFileCompletion), 27 m_resolve(resolve) {} 28 29OptionValueFileSpec::OptionValueFileSpec(const FileSpec &value, bool resolve) 30 : OptionValue(), m_current_value(value), m_default_value(value), 31 m_data_sp(), m_data_mod_time(), 32 m_completion_mask(CommandCompletions::eDiskFileCompletion), 33 m_resolve(resolve) {} 34 35OptionValueFileSpec::OptionValueFileSpec(const FileSpec ¤t_value, 36 const FileSpec &default_value, 37 bool resolve) 38 : OptionValue(), m_current_value(current_value), 39 m_default_value(default_value), m_data_sp(), m_data_mod_time(), 40 m_completion_mask(CommandCompletions::eDiskFileCompletion), 41 m_resolve(resolve) {} 42 43void OptionValueFileSpec::DumpValue(const ExecutionContext *exe_ctx, 44 Stream &strm, uint32_t dump_mask) { 45 if (dump_mask & eDumpOptionType) 46 strm.Printf("(%s)", GetTypeAsCString()); 47 if (dump_mask & eDumpOptionValue) { 48 if (dump_mask & eDumpOptionType) 49 strm.PutCString(" = "); 50 51 if (m_current_value) { 52 strm << '"' << m_current_value.GetPath().c_str() << '"'; 53 } 54 } 55} 56 57Status OptionValueFileSpec::SetValueFromString(llvm::StringRef value, 58 VarSetOperationType op) { 59 Status error; 60 switch (op) { 61 case eVarSetOperationClear: 62 Clear(); 63 NotifyValueChanged(); 64 break; 65 66 case eVarSetOperationReplace: 67 case eVarSetOperationAssign: 68 if (value.size() > 0) { 69 // The setting value may have whitespace, double-quotes, or single-quotes 70 // around the file path to indicate that internal spaces are not word 71 // breaks. Strip off any ws & quotes from the start and end of the file 72 // path - we aren't doing any word // breaking here so the quoting is 73 // unnecessary. NB this will cause a problem if someone tries to specify 74 // a file path that legitimately begins or ends with a " or ' character, 75 // or whitespace. 76 value = value.trim("\"' \t"); 77 m_value_was_set = true; 78 m_current_value.SetFile(value.str(), m_resolve, FileSpec::Style::native); 79 m_data_sp.reset(); 80 m_data_mod_time = llvm::sys::TimePoint<>(); 81 NotifyValueChanged(); 82 } else { 83 error.SetErrorString("invalid value string"); 84 } 85 break; 86 87 case eVarSetOperationInsertBefore: 88 case eVarSetOperationInsertAfter: 89 case eVarSetOperationRemove: 90 case eVarSetOperationAppend: 91 case eVarSetOperationInvalid: 92 error = OptionValue::SetValueFromString(value, op); 93 break; 94 } 95 return error; 96} 97 98lldb::OptionValueSP OptionValueFileSpec::DeepCopy() const { 99 return OptionValueSP(new OptionValueFileSpec(*this)); 100} 101 102size_t OptionValueFileSpec::AutoComplete(CommandInterpreter &interpreter, 103 CompletionRequest &request) { 104 request.SetWordComplete(false); 105 CommandCompletions::InvokeCommonCompletionCallbacks( 106 interpreter, m_completion_mask, request, nullptr); 107 return request.GetNumberOfMatches(); 108} 109 110const lldb::DataBufferSP &OptionValueFileSpec::GetFileContents() { 111 if (m_current_value) { 112 const auto file_mod_time = FileSystem::GetModificationTime(m_current_value); 113 if (m_data_sp && m_data_mod_time == file_mod_time) 114 return m_data_sp; 115 m_data_sp = DataBufferLLVM::CreateFromPath(m_current_value.GetPath()); 116 m_data_mod_time = file_mod_time; 117 } 118 return m_data_sp; 119} 120