116 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- OptionValueFormatEntity.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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| 
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| #include "lldb/Interpreter/OptionValueFormatEntity.h"
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| 
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| // C Includes
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| // C++ Includes
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| // Other libraries and framework includes
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| // Project includes
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| #include "lldb/Core/Module.h"
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| #include "lldb/Interpreter/CommandInterpreter.h"
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| #include "lldb/Utility/Stream.h"
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| #include "lldb/Utility/StringList.h"
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| using namespace lldb;
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| using namespace lldb_private;
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| 
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| OptionValueFormatEntity::OptionValueFormatEntity(const char *default_format)
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|     : OptionValue(), m_current_format(), m_default_format(), m_current_entry(),
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|       m_default_entry() {
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|   if (default_format && default_format[0]) {
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|     llvm::StringRef default_format_str(default_format);
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|     Status error = FormatEntity::Parse(default_format_str, m_default_entry);
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|     if (error.Success()) {
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|       m_default_format = default_format;
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|       m_current_format = default_format;
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|       m_current_entry = m_default_entry;
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|     }
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|   }
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| }
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| 
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| bool OptionValueFormatEntity::Clear() {
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|   m_current_entry = m_default_entry;
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|   m_current_format = m_default_format;
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|   m_value_was_set = false;
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|   return true;
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| }
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| 
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| void OptionValueFormatEntity::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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|     strm << m_current_format.c_str() << '"';
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|   }
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| }
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| 
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| Status OptionValueFormatEntity::SetValueFromString(llvm::StringRef value_str,
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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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| 
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|   case eVarSetOperationReplace:
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|   case eVarSetOperationAssign: {
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|     // Check if the string starts with a quote character after removing leading
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|     // and trailing spaces.
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|     // If it does start with a quote character, make sure it ends with the same
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|     // quote character
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|     // and remove the quotes before we parse the format string. If the string
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|     // doesn't start with
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|     // a quote, leave the string alone and parse as is.
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|     llvm::StringRef trimmed_value_str = value_str.trim();
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|     if (!trimmed_value_str.empty()) {
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|       const char first_char = trimmed_value_str[0];
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|       if (first_char == '"' || first_char == '\'') {
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|         const size_t trimmed_len = trimmed_value_str.size();
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|         if (trimmed_len == 1 || value_str[trimmed_len - 1] != first_char) {
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|           error.SetErrorStringWithFormat("mismatched quotes");
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|           return error;
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|         }
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|         value_str = trimmed_value_str.substr(1, trimmed_len - 2);
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|       }
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|     }
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|     FormatEntity::Entry entry;
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|     error = FormatEntity::Parse(value_str, entry);
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|     if (error.Success()) {
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|       m_current_entry = std::move(entry);
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|       m_current_format = value_str;
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|       m_value_was_set = true;
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|       NotifyValueChanged();
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|     }
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|   } break;
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| 
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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_str, op);
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|     break;
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|   }
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|   return error;
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| }
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| 
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| lldb::OptionValueSP OptionValueFormatEntity::DeepCopy() const {
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|   return OptionValueSP(new OptionValueFormatEntity(*this));
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| }
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| 
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| size_t OptionValueFormatEntity::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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|   return FormatEntity::AutoComplete(s, match_start_point, max_return_elements,
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|                                     word_complete, matches);
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| }
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