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StringUtil: Use std::string_view more

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This commit is contained in:
JosJuice
2019-07-08 13:35:53 +02:00
parent 29ba53f6c3
commit a2a1e04fc9
13 changed files with 92 additions and 83 deletions
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28
Source/Core/Common/IniFile.cpp
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@ -9,13 +9,14 @@
#include <fstream>
#include <map>
#include <string>
#include <string_view>
#include <utility>
#include <vector>
#include "Common/FileUtil.h"
#include "Common/StringUtil.h"
void IniFile::ParseLine(const std::string& line, std::string* keyOut, std::string* valueOut)
void IniFile::ParseLine(std::string_view line, std::string* keyOut, std::string* valueOut)
{
if (line.empty() || line.front() == '#')
return;
@ -96,7 +97,7 @@ bool IniFile::Section::GetLines(std::vector<std::string>* lines, const bool remo
{
for (const std::string& line : m_lines)
{
std::string stripped_line = StripSpaces(line);
std::string_view stripped_line = StripSpaces(line);
if (remove_comments)
{
@ -112,7 +113,7 @@ bool IniFile::Section::GetLines(std::vector<std::string>* lines, const bool remo
}
}
lines->push_back(std::move(stripped_line));
lines->emplace_back(stripped_line);
}
return true;
@ -251,9 +252,8 @@ bool IniFile::Load(const std::string& filename, bool keep_current_data)
bool first_line = true;
while (!in.eof())
{
std::string line;
if (!std::getline(in, line))
std::string line_str;
if (!std::getline(in, line_str))
{
if (in.eof())
return true;
@ -261,17 +261,17 @@ bool IniFile::Load(const std::string& filename, bool keep_current_data)
return false;
}
std::string_view line = line_str;
// Skips the UTF-8 BOM at the start of files. Notepad likes to add this.
if (first_line && line.substr(0, 3) == "\xEF\xBB\xBF")
line = line.substr(3);
line.remove_prefix(3);
first_line = false;
#ifndef _WIN32
// Check for CRLF eol and convert it to LF
if (!line.empty() && line.back() == '\r')
{
line.pop_back();
}
line.remove_suffix(1);
#endif
if (!line.empty())
@ -283,7 +283,7 @@ bool IniFile::Load(const std::string& filename, bool keep_current_data)
if (endpos != std::string::npos)
{
// New section!
std::string sub = line.substr(1, endpos - 1);
std::string_view sub = line.substr(1, endpos - 1);
current_section = GetOrCreateSection(sub);
}
}
@ -299,9 +299,13 @@ bool IniFile::Load(const std::string& filename, bool keep_current_data)
// INI is a hack anyway.
if ((key.empty() && value.empty()) ||
(!line.empty() && (line[0] == '$' || line[0] == '+' || line[0] == '*')))
current_section->m_lines.push_back(line);
{
current_section->m_lines.emplace_back(line);
}
else
{
current_section->Set(key, value);
}
}
}
}