ca5561c395
As specified in #44, when the .ini file cannot be opened, a .example.ini is tried, and if it succeeds, it is written as .ini. This makes it easy to provide ini file templates.
807 lines
13 KiB
C++
807 lines
13 KiB
C++
// IniFile.cpp: Implementation of the CIniFile class.
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// Written by: Adam Clauss
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// Email: cabadam@houston.rr.com
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// You may use this class/code as you wish in your programs. Feel free to distribute it, and
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// email suggested changes to me.
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//
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// Rewritten by: Shane Hill
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// Date: 21/08/2001
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// Email: Shane.Hill@dsto.defence.gov.au
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// Reason: Remove dependancy on MFC. Code should compile on any
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// platform.
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//////////////////////////////////////////////////////////////////////
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/*
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!! MODIFIED BY FAKETRUTH and xoft !!
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*/
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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// C++ Includes
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#include <fstream>
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// C Includes
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#include <ctype.h>
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// Local Includes
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#include "iniFile.h"
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#if defined(WIN32)
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#define iniEOL endl
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#else
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#define iniEOL '\r' << endl
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#endif
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#ifndef _WIN32
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#define sscanf_s(buffer, stringbuffer, ...) (sscanf(buffer, stringbuffer, __VA_ARGS__))
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#endif
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using namespace std;
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cIniFile::cIniFile(const string & a_Path) :
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m_IsCaseInsensitive(true)
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{
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Path(a_Path);
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}
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bool cIniFile::ReadFile(bool a_AllowExampleRedirect)
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{
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// Normally you would use ifstream, but the SGI CC compiler has
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// a few bugs with ifstream. So ... fstream used.
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fstream f;
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string line;
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string keyname, valuename, value;
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string::size_type pLeft, pRight;
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bool IsFromExampleRedirect = false;
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f.open((FILE_IO_PREFIX + m_Path).c_str(), ios::in);
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if (f.fail())
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{
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f.clear();
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if (a_AllowExampleRedirect)
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{
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// Retry with the .example.ini file instead of .ini:
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string ExPath(m_Path.substr(0, m_Path.length() - 4));
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ExPath.append(".example.ini");
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f.open((FILE_IO_PREFIX + ExPath).c_str(), ios::in);
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if (f.fail())
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{
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return false;
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}
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IsFromExampleRedirect = true;
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}
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else
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{
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return false;
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}
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}
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while (getline(f, line))
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{
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// To be compatible with Win32, check for existence of '\r'.
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// Win32 files have the '\r' and Unix files don't at the end of a line.
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// Note that the '\r' will be written to INI files from
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// Unix so that the created INI file can be read under Win32
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// without change.
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unsigned int lineLength = line.length();
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if (lineLength == 0)
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{
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continue;
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}
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if (line[lineLength - 1] == '\r')
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{
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line = line.substr(0, lineLength - 1);
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}
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if (line.length() == 0)
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{
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continue;
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}
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// Check that the user hasn't opened a binary file by checking the first
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// character of each line!
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if (!isprint(line[0]))
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{
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printf("%s: Binary-check failed on char %d\n", __FUNCTION__, line[0]);
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f.close();
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return false;
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}
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if ((pLeft = line.find_first_of(";#[=")) == string::npos)
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{
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continue;
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}
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switch (line[pLeft])
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{
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case '[':
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{
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if (
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((pRight = line.find_last_of("]")) != string::npos) &&
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(pRight > pLeft)
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)
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{
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keyname = line.substr(pLeft + 1, pRight - pLeft - 1);
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AddKeyName(keyname);
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}
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break;
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}
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case '=':
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{
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valuename = line.substr(0, pLeft);
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value = line.substr(pLeft + 1);
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SetValue(keyname, valuename, value);
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break;
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}
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case ';':
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case '#':
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{
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if (names.size() == 0)
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{
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HeaderComment(line.substr(pLeft + 1));
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}
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else
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{
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KeyComment(keyname, line.substr(pLeft + 1));
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}
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break;
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}
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} // switch (line[pLeft])
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} // while (getline())
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f.close();
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if (names.size() == 0)
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{
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return false;
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}
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if (IsFromExampleRedirect)
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{
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WriteFile();
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}
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return true;
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}
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bool cIniFile::WriteFile(void) const
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{
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unsigned commentID, keyID, valueID;
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// Normally you would use ofstream, but the SGI CC compiler has
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// a few bugs with ofstream. So ... fstream used.
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fstream f;
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f.open((FILE_IO_PREFIX + m_Path).c_str(), ios::out);
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if (f.fail())
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{
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return false;
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}
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// Write header comments.
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for (commentID = 0; commentID < comments.size(); ++commentID)
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{
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f << ';' << comments[commentID] << iniEOL;
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}
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if (comments.size())
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{
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f << iniEOL;
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}
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// Write keys and values.
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for (keyID = 0; keyID < keys.size(); ++keyID)
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{
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f << '[' << names[keyID] << ']' << iniEOL;
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// Comments.
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for (commentID = 0; commentID < keys[keyID].comments.size(); ++commentID)
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{
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f << ';' << keys[keyID].comments[commentID] << iniEOL;
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}
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// Values.
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for (valueID = 0; valueID < keys[keyID].names.size(); ++valueID)
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{
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f << keys[keyID].names[valueID] << '=' << keys[keyID].values[valueID] << iniEOL;
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}
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f << iniEOL;
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}
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f.close();
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return true;
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}
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long cIniFile::FindKey(const string & a_KeyName) const
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{
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string CaseKeyName = CheckCase(a_KeyName);
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for (unsigned keyID = 0; keyID < names.size(); ++keyID)
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{
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if (CheckCase(names[keyID]) == CaseKeyName)
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{
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return long(keyID);
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}
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}
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return noID;
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}
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long cIniFile::FindValue(unsigned const keyID, const string & a_ValueName) const
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{
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if (!keys.size() || (keyID >= keys.size()))
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{
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return noID;
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}
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string CaseValueName = CheckCase(a_ValueName);
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for (unsigned valueID = 0; valueID < keys[keyID].names.size(); ++valueID)
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{
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if (CheckCase(keys[keyID].names[valueID]) == CaseValueName)
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{
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return long(valueID);
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}
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}
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return noID;
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}
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unsigned cIniFile::AddKeyName(const string & keyname)
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{
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names.resize(names.size() + 1, keyname);
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keys.resize(keys.size() + 1);
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return names.size() - 1;
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}
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string cIniFile::KeyName(unsigned const keyID) const
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{
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if (keyID < names.size())
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{
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return names[keyID];
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}
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else
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{
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return "";
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}
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}
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unsigned cIniFile::NumValues(unsigned const keyID)
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{
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if (keyID < keys.size())
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{
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return keys[keyID].names.size();
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}
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return 0;
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}
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unsigned cIniFile::NumValues(const string & keyname)
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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return 0;
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}
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return keys[keyID].names.size();
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}
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string cIniFile::ValueName(unsigned const keyID, unsigned const valueID) const
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{
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if (keyID < keys.size() && valueID < keys[keyID].names.size())
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{
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return keys[keyID].names[valueID];
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}
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return "";
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}
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string cIniFile::ValueName(const string & keyname, unsigned const valueID) const
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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return "";
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}
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return ValueName(keyID, valueID);
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}
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bool cIniFile::SetValue(unsigned const keyID, unsigned const valueID, const string & value)
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{
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if ((keyID < keys.size()) && (valueID < keys[keyID].names.size()))
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{
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keys[keyID].values[valueID] = value;
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}
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return false;
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}
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bool cIniFile::SetValue(const string & keyname, const string & valuename, const string & value, bool const create)
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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if (create)
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{
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keyID = long(AddKeyName(keyname));
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}
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else
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{
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return false;
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}
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}
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long valueID = FindValue(unsigned(keyID), valuename);
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if (valueID == noID)
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{
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if (!create)
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{
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return false;
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}
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keys[keyID].names.resize(keys[keyID].names.size() + 1, valuename);
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keys[keyID].values.resize(keys[keyID].values.size() + 1, value);
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}
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else
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{
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if (!create)
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{
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keys[keyID].values[valueID] = value;
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}
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else
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{
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keys[keyID].names.resize(keys[keyID].names.size() + 1, valuename);
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keys[keyID].values.resize(keys[keyID].values.size() + 1, value);
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}
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}
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return true;
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}
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bool cIniFile::SetValueI(const string & keyname, const string & valuename, int const value, bool const create)
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{
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AString Data;
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Printf(Data, "%d", value);
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return SetValue(keyname, valuename, Data, create);
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}
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bool cIniFile::SetValueF(const string & keyname, const string & valuename, double const value, bool const create)
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{
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AString Data;
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Printf(Data, "%f", value);
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return SetValue(keyname, valuename, Data, create);
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}
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bool cIniFile::SetValueV(const string & keyname, const string & valuename, char * format, ...)
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{
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va_list args;
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va_start(args, format);
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AString Data;
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AppendVPrintf(Data, format, args);
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va_end(args);
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return SetValue(keyname, valuename, Data);
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}
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string cIniFile::GetValue(unsigned const keyID, unsigned const valueID, const string & defValue) const
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{
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if ((keyID < keys.size()) && (valueID < keys[keyID].names.size()))
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{
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return keys[keyID].values[valueID];
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}
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return defValue;
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}
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string cIniFile::GetValue(const string & keyname, const string & valuename, const string & defValue) const
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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return defValue;
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}
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long valueID = FindValue(unsigned(keyID), valuename);
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if (valueID == noID)
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{
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return defValue;
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}
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return keys[keyID].values[valueID];
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}
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int cIniFile::GetValueI(const string & keyname, const string & valuename, int const defValue) const
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{
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AString Data;
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Printf(Data, "%d", defValue);
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return atoi(GetValue(keyname, valuename, Data).c_str());
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}
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double cIniFile::GetValueF(const string & keyname, const string & valuename, double const defValue) const
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{
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AString Data;
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Printf(Data, "%f", defValue);
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return atof(GetValue(keyname, valuename, Data).c_str());
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}
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AString cIniFile::GetValueSet(const AString & keyname, const AString & valuename, const AString & defValue)
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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SetValue(keyname, valuename, defValue);
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return defValue;
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}
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long valueID = FindValue(unsigned(keyID), valuename);
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if (valueID == noID)
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{
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SetValue(keyname, valuename, defValue);
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return defValue;
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}
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return keys[keyID].values[valueID];
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}
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double cIniFile::GetValueSetF(const AString & keyname, const AString & valuename, const double defValue)
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{
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AString Data;
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Printf(Data, "%f", defValue);
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return atof(GetValueSet(keyname, valuename, Data).c_str());
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}
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int cIniFile::GetValueSetI(const AString & keyname, const AString & valuename, const int defValue)
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{
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AString Data;
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Printf(Data, "%d", defValue);
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return atoi(GetValueSet(keyname, valuename, Data).c_str());
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}
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bool cIniFile::DeleteValueByID(const unsigned keyID, const unsigned valueID)
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{
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if (keyID < keys.size() && valueID < keys[keyID].names.size())
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{
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// This looks strange, but is neccessary.
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vector<string>::iterator npos = keys[keyID].names.begin() + valueID;
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vector<string>::iterator vpos = keys[keyID].values.begin() + valueID;
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keys[keyID].names.erase(npos, npos + 1);
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keys[keyID].values.erase(vpos, vpos + 1);
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return true;
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}
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return false;
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}
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bool cIniFile::DeleteValue(const string & keyname, const string & valuename)
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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return false;
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}
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long valueID = FindValue(unsigned(keyID), valuename);
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if (valueID == noID)
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{
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return false;
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}
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return DeleteValueByID(keyID, valueID);
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}
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bool cIniFile::DeleteKey(const string & keyname)
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{
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long keyID = FindKey(keyname);
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if (keyID == noID)
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{
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return false;
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}
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vector<string>::iterator npos = names.begin() + keyID;
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vector<key>::iterator kpos = keys.begin() + keyID;
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names.erase(npos, npos + 1);
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keys.erase(kpos, kpos + 1);
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return true;
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}
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void cIniFile::Clear(void)
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{
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names.clear();
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keys.clear();
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comments.clear();
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}
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void cIniFile::HeaderComment(const string & comment)
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{
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comments.push_back(comment);
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// comments.resize(comments.size() + 1, comment);
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}
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string cIniFile::HeaderComment(unsigned const commentID) const
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{
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if (commentID < comments.size())
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{
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return comments[commentID];
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}
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return "";
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}
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bool cIniFile::DeleteHeaderComment(unsigned commentID)
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{
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if (commentID < comments.size())
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{
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vector<string>::iterator cpos = comments.begin() + commentID;
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comments.erase(cpos, cpos + 1);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
unsigned cIniFile::NumKeyComments(unsigned const keyID) const
|
|
{
|
|
if (keyID < keys.size())
|
|
{
|
|
return keys[keyID].comments.size();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
unsigned cIniFile::NumKeyComments(const string & keyname) const
|
|
{
|
|
long keyID = FindKey(keyname);
|
|
if (keyID == noID)
|
|
return 0;
|
|
return keys[keyID].comments.size();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cIniFile::KeyComment(unsigned const keyID, const string & comment)
|
|
{
|
|
if (keyID < keys.size())
|
|
{
|
|
keys[keyID].comments.resize(keys[keyID].comments.size() + 1, comment);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cIniFile::KeyComment(const string & keyname, const string & comment)
|
|
{
|
|
long keyID = FindKey(keyname);
|
|
if (keyID == noID)
|
|
{
|
|
return false;
|
|
}
|
|
return KeyComment(unsigned(keyID), comment);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
string cIniFile::KeyComment(unsigned const keyID, unsigned const commentID) const
|
|
{
|
|
if ((keyID < keys.size()) && (commentID < keys[keyID].comments.size()))
|
|
{
|
|
return keys[keyID].comments[commentID];
|
|
}
|
|
return "";
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
string cIniFile::KeyComment(const string & keyname, unsigned const commentID) const
|
|
{
|
|
long keyID = FindKey(keyname);
|
|
if (keyID == noID)
|
|
{
|
|
return "";
|
|
}
|
|
return KeyComment(unsigned(keyID), commentID);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cIniFile::DeleteKeyComment(unsigned const keyID, unsigned const commentID)
|
|
{
|
|
if ((keyID < keys.size()) && (commentID < keys[keyID].comments.size()))
|
|
{
|
|
vector<string>::iterator cpos = keys[keyID].comments.begin() + commentID;
|
|
keys[keyID].comments.erase(cpos, cpos + 1);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cIniFile::DeleteKeyComment(const string & keyname, unsigned const commentID)
|
|
{
|
|
long keyID = FindKey(keyname);
|
|
if (keyID == noID)
|
|
{
|
|
return false;
|
|
}
|
|
return DeleteKeyComment(unsigned(keyID), commentID);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cIniFile::DeleteKeyComments(unsigned const keyID)
|
|
{
|
|
if (keyID < keys.size())
|
|
{
|
|
keys[keyID].comments.clear();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cIniFile::DeleteKeyComments(const string & keyname)
|
|
{
|
|
long keyID = FindKey(keyname);
|
|
if (keyID == noID)
|
|
{
|
|
return false;
|
|
}
|
|
return DeleteKeyComments(unsigned(keyID));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
string cIniFile::CheckCase(const string & s) const
|
|
{
|
|
if (!m_IsCaseInsensitive)
|
|
{
|
|
return s;
|
|
}
|
|
string res(s);
|
|
size_t len = res.length();
|
|
for (size_t i = 0; i < len; i++)
|
|
{
|
|
res[i] = tolower(res[i]);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
|