Function LoadIniSettingsFromMemory

libs/imgui/imgui.cpp:2695–2745

Zero-tolerance, no error reporting, cheap .ini parsing

// Zero-tolerance, no error reporting, cheap .ini parsing
static void LoadIniSettingsFromMemory(const char* buf_readonly)
{
    // For convenience and to make the code simpler, we'll write zero terminators inside the buffer. So let's create a writable copy.
    char* buf = ImStrdup(buf_readonly);
    char* buf_end = buf + strlen(buf);

    ImGuiContext& g = *GImGui;
    void* entry_data = NULL;
    const ImGuiSettingsHandler* entry_handler = NULL;

    char* line_end = NULL;
    for (char* line = buf; line < buf_end; line = line_end + 1)
    {
        // Skip new lines markers, then find end of the line
        while (*line == '\n' || *line == '\r')
            line++;
        line_end = line;
        while (line_end < buf_end && *line_end != '\n' && *line_end != '\r')
            line_end++;
        line_end[0] = 0;

        if (line[0] == '[' && line_end > line && line_end[-1] == ']')
        {
            // Parse "[Type][Name]". Note that 'Name' can itself contains [] characters, which is acceptable with the current format and parsing code.
            line_end[-1] = 0;
            const char* name_end = line_end - 1; 
            const char* type_start = line + 1;
            char* type_end = ImStrchrRange(type_start, name_end, ']');
            const char* name_start = type_end ? ImStrchrRange(type_end + 1, name_end, '[') : NULL;
            if (!type_end || !name_start)
            {
                name_start = type_start; // Import legacy entries that have no type
                type_start = "Window";
            }
            else
            {
                *type_end = 0; // Overwrite first ']' 
                name_start++;  // Skip second '['
            }
            const ImGuiID type_hash = ImHash(type_start, 0, 0);
            entry_handler = ImGui::FindSettingsHandler(type_hash);
            entry_data = entry_handler ? entry_handler->ReadOpenFn(g, name_start) : NULL;
        }
        else if (entry_handler != NULL && entry_data != NULL)
        {
            // Let type handler parse the line
            entry_handler->ReadLineFn(g, entry_data, line);
        }
    }
    ImGui::MemFree(buf);
}

static void SaveIniSettingsToDisk(const char* ini_filename)
{