Document.h

/*
 * Copyright (C) 2024, Robert Patterson
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#pragma once
 
#include <memory>
#include <unordered_map>
#include <vector>
 
#include "Header.h"
#include "ObjectPool.h"
#include "MusxInstance.h"
 
namespace musx {
 
namespace factory {
class DocumentFactory;
} // namespace factory
 
namespace dom {
 
using namespace header;
 
struct InstrumentInfo
{
    std::unordered_map<StaffCmper, size_t> staves;   
    Cmper staffGroupId{};                           
    Cmper multistaffGroupId{};                      
 
    std::vector<StaffCmper> getSequentialStaves() const;
};
using InstrumentMap = std::unordered_map<StaffCmper, InstrumentInfo>; 
 
class Document
{
public:
    HeaderPtr& getHeader() { return m_header; }
    const HeaderPtr& getHeader() const { return m_header; }
    
    OptionsPoolPtr& getOptions() { return m_options; }
    const OptionsPoolPtr& getOptions() const { return m_options; }
    
    OthersPoolPtr& getOthers() { return m_others; }
    const OthersPoolPtr& getOthers() const { return m_others; }
    
    DetailsPoolPtr& getDetails() { return m_details; }
    const DetailsPoolPtr& getDetails() const { return m_details; }
    
    EntryPoolPtr& getEntries() { return m_entries; }
    const EntryPoolPtr& getEntries() const { return m_entries; }
 
    TextsPoolPtr& getTexts() { return m_texts; }
    const TextsPoolPtr& getTexts() const { return m_texts; }
 
    [[nodiscard]]
    constexpr Cmper calcScrollViewCmper([[maybe_unused]]Cmper partId) const noexcept
    {
        // as of now, there is no calculation, but keep that assumption encapsulated.
        return BASE_SYSTEM_ID;        
    }
 
    MusxInstanceList<others::StaffUsed> getScrollViewStaves(Cmper partId) const;
 
    MusxInstance<others::Page> calculatePageFromMeasure(Cmper partId, MeasCmper measureId) const;
 
    MusxInstance<others::StaffSystem> calculateSystemFromMeasure(Cmper partId, MeasCmper measureId) const;
 
    int getMaxBlankPages() const { return m_maxBlankPages; }
 
    const InstrumentMap& getInstruments() const { return m_instruments; }
 
    const InstrumentInfo& getInstrumentForStaff(StaffCmper staffId) const;
 
    InstrumentMap createInstrumentMap(Cmper forPartId) const;
 
    bool calcHasVaryingSystemStaves(Cmper forPartId) const;
 
    MusicRange calcEntireDocument() const;
    
    bool iterateEntries(Cmper partId, std::function<bool(const EntryInfoPtr&)> iterator) const;
 
private:
    explicit Document() = default;
 
    DocumentWeakPtr m_self;     
 
    HeaderPtr m_header;         
    OptionsPoolPtr m_options;   
    OthersPoolPtr m_others;     
    DetailsPoolPtr m_details;   
    EntryPoolPtr m_entries;     
    TextsPoolPtr m_texts;       
 
    int m_maxBlankPages{};      
 
    InstrumentMap m_instruments; 
 
    // Grant the factory class access to the private constructor
    friend class musx::factory::DocumentFactory;
};
 
} // namespace dom
} // namespace musx