UserSettings.cpp

#include "StdAfx.h"
#include "usersettings.h"

/** The global instance of user settings */
CUserSettings g_userSettings;

void CUserSettings::WriteToFile() {

    FILE* f = fopen(m_userSettingsFile, "w");
    if (f == nullptr)
        return;

    fprintf(f, "LANGUAGE=%d\n", m_language);
    fprintf(f, "FLUXUNIT=%d\n", m_fluxUnit);
    fprintf(f, "COLUMNUNIT=%d\n", m_columnUnit);

    fclose(f);
}

/** Reads the settings from file */
void CUserSettings::ReadSettings(const CString* fileName) {
    char nl[2] = { 0x0a, 0 };
    char lf[2] = { 0x0d, 0 };
    char* pt;
    char txt[256];

    if (fileName != nullptr) {
        m_userSettingsFile.Format("%s", (LPCTSTR)*fileName);
    }

    FILE* f = fopen(m_userSettingsFile, "r");
    if (f == nullptr)
        return;

    while (fgets(txt, sizeof(txt) - 1, f)) {
        if (strlen(txt) > 4 && txt[0] != '%') {
            pt = txt;
            if (pt = strstr(txt, nl)) {
                pt[0] = 0;
            }

            pt = txt;
            if (pt = strstr(txt, lf)) {
                pt[0] = 0;
            }

            // 1. Parse the flux unit
            if (pt = strstr(txt, "FLUXUNIT=")) {
                pt = strstr(txt, "=");
                if (pt) {
                    int ret = sscanf(&pt[1], "%d", &m_fluxUnit);
                }
            }

            // 2. Parse the column unit
            if (pt = strstr(txt, "COLUMNUNIT=")) {
                pt = strstr(txt, "=");
                if (pt) {
                    int ret = sscanf(&pt[1], "%d", &m_columnUnit);
                }
            }

            // 3. Parse the language
            if (pt = strstr(txt, "LANGUAGE=")) {
                pt = strstr(txt, "=");
                if (pt) {
                    int ret = sscanf(&pt[1], "%d", &m_language);
                }
            }
        }
    }
    fclose(f);
}