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f3200fe2e9
programs. The user can now add scripts. A contextual menu displays various options when clicking on a script, such as editing. Change-Id: I124a17f7584b0beedb897e8499ca0a1bb6c13cbe
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
#ifndef CODE_PROGRAM_STORE_H
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#define CODE_PROGRAM_STORE_H
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#include "program.h"
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namespace Code {
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class ProgramStore {
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public:
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ProgramStore();
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Program editableProgram(int i);
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/* editableProgram moves the free space of m_history at the end of the
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* ith script. It returns a Program object that points to the beginning of the
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* wanted script and has a length taking into account both the script and the
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* free space. */
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Program program(int i);
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/* programAtIndex returns a Program object that points to the beginning of the
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* ith script and has the length of the script. */
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int numberOfPrograms() const;
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Program editableNewProgram();
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bool addDefaultProgram();
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void deleteProgram(int i);
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void deleteAll();
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private:
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static constexpr char FreeSpaceMarker = 0x01;
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/* We made sure that 0x01 is not used in ion/include/ion/charset.h */
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static constexpr int k_historySize = 1024;
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int indexOfProgram(int i) const;
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int lastIndexOfProgram(int i) const;
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int indexOfFirstFreeSpaceMarker() const;
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int sizeOfFreeSpace() const;
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void cleanFreeSpace();
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void moveFreeSpaceAfterProgram(int i);
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void cleanAndMoveFreeSpaceAfterProgram(int i);
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char m_history[k_historySize];
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/* The m_history variable sequentially stores scripts as text buffers. The
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* free bytes of m_history contain the FreeSpaceMarker. By construction,
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* there is always at least one free byte, and the free space is always
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* continuous. */
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int m_numberOfPrograms;
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int m_lastProgramEdited;
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};
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}
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#endif
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