forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			378 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			378 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- StringList.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/Core/StringList.h"
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| 
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| #include "lldb/Core/StreamString.h"
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| #include "lldb/Host/FileSpec.h"
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| #include "lldb/Core/Log.h"
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| 
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| #include <string>
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| 
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| using namespace lldb_private;
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| 
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| StringList::StringList () :
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|     m_strings ()
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| {
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| }
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| 
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| StringList::StringList (const char *str) :
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|     m_strings ()
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| {
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|     if (str)
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|         m_strings.push_back (str);
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| }
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| 
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| StringList::StringList (const char **strv, int strc) :
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|     m_strings ()
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| {
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|     for (int i = 0; i < strc; ++i)
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|     {
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|         if (strv[i])
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|             m_strings.push_back (strv[i]);
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|     }
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| }
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| 
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| StringList::~StringList ()
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| {
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| }
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| 
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| void
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| StringList::AppendString (const char *str)
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| {
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|     if (str)
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|         m_strings.push_back (str);
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| }
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| 
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| void
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| StringList::AppendString (const std::string &s)
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| {
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|     m_strings.push_back (s);
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| }
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| 
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| void
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| StringList::AppendString (std::string &&s)
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| {
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|     m_strings.push_back (s);
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| }
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| 
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| void
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| StringList::AppendString (const char *str, size_t str_len)
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| {
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|     if (str)
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|         m_strings.push_back (std::string (str, str_len));
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| }
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| 
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| void
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| StringList::AppendString(llvm::StringRef str)
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| {
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|     m_strings.push_back(str.str());
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| }
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| 
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| void
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| StringList::AppendList (const char **strv, int strc)
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| {
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|     for (int i = 0; i < strc; ++i)
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|     {
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|         if (strv[i])
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|             m_strings.push_back (strv[i]);
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|     }
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| }
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| 
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| void
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| StringList::AppendList (StringList strings)
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| {
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|     size_t len = strings.GetSize();
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| 
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|     for (size_t i = 0; i < len; ++i)
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|         m_strings.push_back (strings.GetStringAtIndex(i));
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| }
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| 
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| bool
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| StringList::ReadFileLines (FileSpec &input_file)
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| {
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|     return input_file.ReadFileLines (m_strings);
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| }
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| 
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| size_t
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| StringList::GetSize () const
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| {
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|     return m_strings.size();
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| }
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| 
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| size_t
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| StringList::GetMaxStringLength () const
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| {
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|     size_t max_length = 0;
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|     for (const auto &s : m_strings)
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|     {
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|         const size_t len = s.size();
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|         if (max_length < len)
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|             max_length = len;
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|     }
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|     return max_length;
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| }
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| 
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| 
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| const char *
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| StringList::GetStringAtIndex (size_t idx) const
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| {
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|     if (idx < m_strings.size())
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|         return m_strings[idx].c_str();
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|     return NULL;
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| }
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| 
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| void
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| StringList::Join (const char *separator, Stream &strm)
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| {
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|     size_t size = GetSize();
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|     
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|     if (size == 0)
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|         return;
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|     
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|     for (uint32_t i = 0; i < size; ++i)
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|     {
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|         if (i > 0)
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|             strm.PutCString(separator);
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|         strm.PutCString(GetStringAtIndex(i));
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|     }
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| }
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| 
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| void
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| StringList::Clear ()
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| {
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|     m_strings.clear();
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| }
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| 
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| void
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| StringList::LongestCommonPrefix (std::string &common_prefix)
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| {
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|     const size_t num_strings = m_strings.size();
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| 
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|     if (num_strings == 0)
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|     {
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|         common_prefix.clear();
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|     }
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|     else
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|     {
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|         common_prefix = m_strings.front();
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| 
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|         for (size_t idx = 1; idx < num_strings; ++idx)
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|         {
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|             std::string &curr_string = m_strings[idx];
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|             size_t new_size = curr_string.size();
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| 
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|             // First trim common_prefix if it is longer than the current element:
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|             if (common_prefix.size() > new_size)
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|                 common_prefix.erase (new_size);
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| 
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|             // Then trim it at the first disparity:
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|             for (size_t i = 0; i < common_prefix.size(); i++)
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|             {
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|                 if (curr_string[i] != common_prefix[i])
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|                 {
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|                     common_prefix.erase(i);
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|                     break;
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|                 }
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|             }
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| 
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|             // If we've emptied the common prefix, we're done.
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|             if (common_prefix.empty())
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|                 break;
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|         }
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|     }
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| }
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| 
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| void
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| StringList::InsertStringAtIndex (size_t idx, const char *str)
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| {
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|     if (str)
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|     {
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|         if (idx < m_strings.size())
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|             m_strings.insert (m_strings.begin() + idx, str);
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|         else
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|             m_strings.push_back (str);
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|     }
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| }
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| 
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| void
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| StringList::InsertStringAtIndex (size_t idx, const std::string &str)
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| {
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|     if (idx < m_strings.size())
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|         m_strings.insert (m_strings.begin() + idx, str);
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|     else
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|         m_strings.push_back (str);
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| }
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| 
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| void
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| StringList::InsertStringAtIndex (size_t idx, std::string &&str)
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| {
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|     if (idx < m_strings.size())
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|         m_strings.insert (m_strings.begin() + idx, str);
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|     else
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|         m_strings.push_back (str);
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| }
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| 
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| void
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| StringList::DeleteStringAtIndex (size_t idx)
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| {
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|     if (idx < m_strings.size())
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|         m_strings.erase (m_strings.begin() + idx);
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| }
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| 
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| size_t
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| StringList::SplitIntoLines (const std::string &lines)
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| {
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|     return SplitIntoLines (lines.c_str(), lines.size());
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| }
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| 
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| size_t
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| StringList::SplitIntoLines (const char *lines, size_t len)
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| {
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|     const size_t orig_size = m_strings.size();
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| 
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|     if (len == 0)
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|         return 0;
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| 
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|     const char *k_newline_chars = "\r\n";
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|     const char *p = lines;
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|     const char *end = lines + len;
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|     while (p < end)
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|     {
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|         size_t count = strcspn (p, k_newline_chars);
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|         if (count == 0)
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|         {
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|             if (p[count] == '\r' || p[count] == '\n')
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|                 m_strings.push_back(std::string());
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|             else
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|                 break;
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|         }
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|         else
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|         {
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|             if (p + count > end)
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|                 count = end - p;
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|             m_strings.push_back(std::string(p, count));
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|         }
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|         if (p[count] == '\r' && p[count+1] == '\n')
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|             count++;    // Skip an extra newline char for the DOS newline
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|         count++;    // Skip the newline character
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|         p += count;
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|     }
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|     return m_strings.size() - orig_size;
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| }
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| 
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| void
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| StringList::RemoveBlankLines ()
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| {
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|     if (GetSize() == 0)
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|         return;
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| 
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|     size_t idx = 0;
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|     while (idx < m_strings.size())
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|     {
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|         if (m_strings[idx].empty())            
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|             DeleteStringAtIndex(idx);
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|         else
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|             idx++;
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|     }
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| }
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| 
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| std::string
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| StringList::CopyList(const char* item_preamble, const char* items_sep) const
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| {
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|     StreamString strm;
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|     for (size_t i = 0; i < GetSize(); i++)
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|     {
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|         if (i && items_sep && items_sep[0])
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|             strm << items_sep;
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|         if (item_preamble)
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|             strm << item_preamble;
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|         strm << GetStringAtIndex(i);
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|     }
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|     return std::string(strm.GetData());
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| }
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| 
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| StringList&
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| StringList::operator << (const char* str)
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| {
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|     AppendString(str);
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|     return *this;
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| }
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| 
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| StringList&
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| StringList::operator << (const std::string& str)
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| {
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|     AppendString(str);
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|     return *this;
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| }
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| 
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| StringList&
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| StringList::operator << (StringList strings)
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| {
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|     AppendList(strings);
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|     return *this;
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| }
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| 
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| StringList&
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| StringList::operator = (const std::vector<std::string> &rhs)
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| {
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|     Clear();
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|     for (const auto &s : rhs)
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|         m_strings.push_back(s);
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| 
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|     return *this;
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| }
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| 
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| size_t
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| StringList::AutoComplete (const char *s, StringList &matches, size_t &exact_idx) const
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| {
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|     matches.Clear();
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|     exact_idx = SIZE_MAX;
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|     if (s && s[0])
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|     {
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|         const size_t s_len = strlen (s);
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|         const size_t num_strings = m_strings.size();
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|         
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|         for (size_t i=0; i<num_strings; ++i)
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|         {
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|             if (m_strings[i].find(s) == 0)
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|             {
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|                 if (exact_idx == SIZE_MAX && m_strings[i].size() == s_len)
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|                     exact_idx = matches.GetSize();
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|                 matches.AppendString (m_strings[i]);
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|             }
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|         }
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|     }
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|     else
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|     {
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|         // No string, so it matches everything
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|         matches = *this;
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|     }
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|     return matches.GetSize();
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| }
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| 
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| void
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| StringList::LogDump(Log *log, const char *name)
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| {
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|     if (!log)
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|         return;
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| 
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|     StreamString strm;
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|     if (name)
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|         strm.Printf("Begin %s:\n", name);
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|     for (const auto &s : m_strings) {
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|         strm.Indent();
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|         strm.Printf("%s\n", s.c_str());
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|     }
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|     if (name)
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|         strm.Printf("End %s.\n", name);
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| 
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|     log->Debug("%s", strm.GetData());
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| }
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