128 lines
4.5 KiB
C++
128 lines
4.5 KiB
C++
//===-- OptionValueFileSpec.cpp ---------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Interpreter/OptionValueFileSpec.h"
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#include "lldb/Core/State.h"
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#include "lldb/DataFormatters/FormatManager.h"
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#include "lldb/Host/FileSystem.h"
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#include "lldb/Interpreter/Args.h"
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#include "lldb/Interpreter/CommandCompletions.h"
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#include "lldb/Interpreter/CommandInterpreter.h"
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#include "lldb/Utility/DataBufferLLVM.h"
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using namespace lldb;
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using namespace lldb_private;
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OptionValueFileSpec::OptionValueFileSpec(bool resolve)
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: OptionValue(), m_current_value(), m_default_value(), m_data_sp(),
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m_data_mod_time(),
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m_completion_mask(CommandCompletions::eDiskFileCompletion),
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m_resolve(resolve) {}
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OptionValueFileSpec::OptionValueFileSpec(const FileSpec &value, bool resolve)
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: OptionValue(), m_current_value(value), m_default_value(value),
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m_data_sp(), m_data_mod_time(),
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m_completion_mask(CommandCompletions::eDiskFileCompletion),
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m_resolve(resolve) {}
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OptionValueFileSpec::OptionValueFileSpec(const FileSpec ¤t_value,
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const FileSpec &default_value,
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bool resolve)
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: OptionValue(), m_current_value(current_value),
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m_default_value(default_value), m_data_sp(), m_data_mod_time(),
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m_completion_mask(CommandCompletions::eDiskFileCompletion),
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m_resolve(resolve) {}
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void OptionValueFileSpec::DumpValue(const ExecutionContext *exe_ctx,
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Stream &strm, uint32_t dump_mask) {
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if (dump_mask & eDumpOptionType)
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strm.Printf("(%s)", GetTypeAsCString());
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if (dump_mask & eDumpOptionValue) {
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if (dump_mask & eDumpOptionType)
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strm.PutCString(" = ");
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if (m_current_value) {
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strm << '"' << m_current_value.GetPath().c_str() << '"';
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}
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}
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}
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Status OptionValueFileSpec::SetValueFromString(llvm::StringRef value,
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VarSetOperationType op) {
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Status error;
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switch (op) {
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case eVarSetOperationClear:
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Clear();
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NotifyValueChanged();
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break;
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case eVarSetOperationReplace:
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case eVarSetOperationAssign:
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if (value.size() > 0) {
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// The setting value may have whitespace, double-quotes, or single-quotes
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// around the file
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// path to indicate that internal spaces are not word breaks. Strip off
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// any ws & quotes
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// from the start and end of the file path - we aren't doing any word //
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// breaking here so
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// the quoting is unnecessary. NB this will cause a problem if someone
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// tries to specify
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// a file path that legitimately begins or ends with a " or ' character,
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// or whitespace.
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value = value.trim("\"' \t");
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m_value_was_set = true;
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m_current_value.SetFile(value.str(), m_resolve);
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m_data_sp.reset();
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m_data_mod_time = llvm::sys::TimePoint<>();
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NotifyValueChanged();
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} else {
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error.SetErrorString("invalid value string");
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}
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break;
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case eVarSetOperationInsertBefore:
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case eVarSetOperationInsertAfter:
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case eVarSetOperationRemove:
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case eVarSetOperationAppend:
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case eVarSetOperationInvalid:
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error = OptionValue::SetValueFromString(value, op);
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break;
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}
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return error;
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}
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lldb::OptionValueSP OptionValueFileSpec::DeepCopy() const {
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return OptionValueSP(new OptionValueFileSpec(*this));
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}
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size_t OptionValueFileSpec::AutoComplete(
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CommandInterpreter &interpreter, llvm::StringRef s, int match_start_point,
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int max_return_elements, bool &word_complete, StringList &matches) {
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word_complete = false;
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matches.Clear();
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CommandCompletions::InvokeCommonCompletionCallbacks(
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interpreter, m_completion_mask, s, match_start_point, max_return_elements,
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nullptr, word_complete, matches);
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return matches.GetSize();
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}
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const lldb::DataBufferSP &
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OptionValueFileSpec::GetFileContents(bool null_terminate) {
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if (m_current_value) {
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const auto file_mod_time = FileSystem::GetModificationTime(m_current_value);
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if (m_data_sp && m_data_mod_time == file_mod_time)
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return m_data_sp;
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m_data_sp = DataBufferLLVM::CreateFromPath(m_current_value.GetPath(),
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null_terminate);
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m_data_mod_time = file_mod_time;
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}
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return m_data_sp;
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}
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