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build3/apps/sequence/sequence_store.cpp 2.87 KB
6663b6c9   adorian   projet complet av...
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  #include "sequence_store.h"
  extern "C" {
  #include <assert.h>
  #include <stddef.h>
  }
  #include <ion.h>
  
  namespace Sequence {
  
  constexpr KDColor SequenceStore::k_defaultColors[MaxNumberOfSequences];
  constexpr const char * SequenceStore::k_sequenceNames[MaxNumberOfSequences];
  
  uint32_t SequenceStore::storeChecksum() {
    size_t dataLengthInBytes = MaxNumberOfSequences*sizeof(uint32_t);
    assert((dataLengthInBytes & 0x3) == 0); // Assert that dataLengthInBytes is a multiple of 4
    uint32_t checksums[MaxNumberOfSequences];
    for (int i = 0; i < MaxNumberOfSequences; i++) {
      checksums[i] = m_sequences[i].checksum();
    }
    return Ion::crc32((uint32_t *)checksums, dataLengthInBytes/sizeof(uint32_t));
  }
  
  Sequence * SequenceStore::functionAtIndex(int i) {
    assert(i>=0 && i<m_numberOfFunctions);
    return &m_sequences[i];
  }
  
  Sequence * SequenceStore::activeFunctionAtIndex(int i) {
    return (Sequence *)Shared::FunctionStore::activeFunctionAtIndex(i);
  }
  
  Sequence * SequenceStore::definedFunctionAtIndex(int i) {
    return (Sequence *)Shared::FunctionStore::definedFunctionAtIndex(i);
  }
  
  Sequence * SequenceStore::addEmptyFunction() {
    assert(m_numberOfFunctions < MaxNumberOfSequences);
    const char * name = firstAvailableName();
    KDColor color = firstAvailableColor();
    Sequence addedSequence(name, color);
    m_sequences[m_numberOfFunctions] = addedSequence;
    Sequence * result = &m_sequences[m_numberOfFunctions];
    m_numberOfFunctions++;
    return result;
  }
  
  void SequenceStore::removeFunction(Shared::Function * f) {
    int i = 0;
    while (&m_sequences[i] != f && i < m_numberOfFunctions) {
      i++;
    }
    assert(i>=0 && i<m_numberOfFunctions);
    m_numberOfFunctions--;
    for (int j = i; j<m_numberOfFunctions; j++) {
      m_sequences[j] = m_sequences[j+1];
    }
    Sequence emptySequence("", KDColorBlack);
    m_sequences[m_numberOfFunctions] = emptySequence;
  }
  
  int SequenceStore::maxNumberOfFunctions() {
    return MaxNumberOfSequences;
  }
  
  char SequenceStore::symbol() const {
    return 'n';
  }
  
  const char *  SequenceStore::firstAvailableName() {
    for (int k = 0; k < MaxNumberOfSequences; k++) {
      int j = 0;
      while  (j < m_numberOfFunctions) {
        if (m_sequences[j].name() == k_sequenceNames[k]) {
          break;
        }
        j++;
      }
      if (j == m_numberOfFunctions) {
        return k_sequenceNames[k];
      }
    }
    return k_sequenceNames[0];
  }
  
  const KDColor SequenceStore::firstAvailableColor() {
    for (int k = 0; k < MaxNumberOfSequences; k++) {
      int j = 0;
      while  (j < m_numberOfFunctions) {
        if (m_sequences[j].color() == k_defaultColors[k]) {
          break;
        }
        j++;
      }
      if (j == m_numberOfFunctions) {
        return k_defaultColors[k];
      }
    }
    return k_defaultColors[0];
  }
  
  void SequenceStore::removeAll() {
    for (int i = 0; i < m_numberOfFunctions; i++) {
      Sequence emptySequence("", KDColorBlack);
      m_sequences[i] = emptySequence;
    }
    m_numberOfFunctions = 0;
  }
  
  }