69 lines
1.2 KiB
C
69 lines
1.2 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 24.01.2018
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*
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* Buffer types
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*
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*/
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// TOP
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#if !defined(FRED_BUFFER_H)
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#define FRED_BUFFER_H
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struct Cursor_With_Index{
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i64 pos;
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i32 index;
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};
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struct Gap_Buffer{
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Base_Allocator *allocator;
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u8 *data;
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i64 size1;
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i64 gap_size;
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i64 size2;
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i64 max;
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// NOTE(allen): If there are N lines I store N + 1 slots in this array with
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// line_starts[N] = size of the buffer.
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// The variable line_start_count stores N + 1; call buffer_line_count(buffer)
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// to get "N" the actual number of lines.
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i64 *line_starts;
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i64 line_start_count;
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i64 line_start_max;
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};
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struct Buffer_Chunk_Position{
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i64 real_pos;
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i64 chunk_pos;
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i64 chunk_index;
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};
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typedef i32 Line_Move_Kind;
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enum{
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LineMove_ShiftOldValues,
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LineMove_MeasureString,
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};
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struct Line_Move{
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Line_Move *next;
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Line_Move_Kind kind;
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i64 new_line_first;
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union{
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struct{
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i64 old_line_first;
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i64 old_line_opl;
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i64 text_shift;
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};
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struct{
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String_Const_u8 string;
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i64 text_base;
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};
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};
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};
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#endif
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// BOTTOM
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