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IniConfig.cpp
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IniConfig.cpp
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// Copyright © 2008-2013 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
#include "libs.h"
#include "IniConfig.h"
#include "FileSystem.h"
#include "StringRange.h"
void IniConfig::Read(FileSystem::FileSource &fs, const std::string &path)
{
RefCountedPtr<FileSystem::FileData> data = fs.ReadFile(path);
if (data) Read(*data);
}
void IniConfig::Read(const FileSystem::FileData &data)
{
StringRange buffer = data.AsStringRange();
buffer = buffer.StripUTF8BOM();
while (!buffer.Empty()) {
StringRange line = buffer.ReadLine().StripSpace();
// if the line is a comment, skip it
if (line.Empty() || (line[0] == '#')) continue;
const char *kend = line.FindChar('=');
// if there's no '=' sign, skip the line
if (kend == line.end) {
fprintf(stderr, "WARNING: ignoring invalid line in config file:\n '%.*s'\n", int(line.Size()), line.begin);
continue;
}
StringRange key(line.begin, kend);
StringRange value(kend + 1, line.end);
// strip whitespace
key.end = key.RFindNonSpace();
value = value.StripSpace();
m_map[key.ToString()] = value.ToString();
}
}
bool IniConfig::Write(FileSystem::FileSourceFS &fs, const std::string &path)
{
FILE *f = fs.OpenWriteStream(path, FileSystem::FileSourceFS::WRITE_TEXT);
if (!f) {
fprintf(stderr, "Could not write config file '%s'\n", FileSystem::JoinPath(fs.GetRoot(), path).c_str());
return false;
}
for (std::map<std::string, std::string>::const_iterator i = m_map.begin(); i != m_map.end(); ++i) {
if (!(*i).second.empty())
fprintf(f, "%s=%s\n", (*i).first.c_str(), (*i).second.c_str());
}
fclose(f);
return true;
}