122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
/*
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* Serial inserts helpers
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*/
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// TOP
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static Buffer_Insertion
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begin_buffer_insertion_at(Application_Links *app, Buffer_ID buffer_id, i64 at){
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Buffer_Insertion result = {};
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result.app = app;
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result.buffer = buffer_id;
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result.at = at;
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return(result);
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}
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static Buffer_Insertion
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begin_buffer_insertion_at_buffered(Application_Links *app, Buffer_ID buffer_id, i64 at, Cursor *cursor){
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Buffer_Insertion result = begin_buffer_insertion_at(app, buffer_id, at);
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result.buffering = true;
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result.cursor = cursor;
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result.temp = begin_temp(cursor);
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return(result);
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}
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internal Buffer_Insertion
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begin_buffer_insertion_at_buffered(Application_Links *app, Buffer_ID buffer_id, i64 at, Arena *buffer_memory, umem buffer_memory_size){
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Cursor *cursor = push_array(buffer_memory, Cursor, 1);
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*cursor = make_cursor(push_array(buffer_memory, u8, buffer_memory_size), buffer_memory_size);
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return(begin_buffer_insertion_at_buffered(app, buffer_id, at, cursor));
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}
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static Buffer_Insertion
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begin_buffer_insertion(Application_Links *app){
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View_ID view = get_active_view(app, AccessAll);
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Buffer_ID buffer = view_get_buffer(app, view, AccessAll);
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i64 cursor_pos = view_get_cursor_pos(app, view);
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Buffer_Insertion result = begin_buffer_insertion_at(app, buffer, cursor_pos);
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return(result);
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}
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static void
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insert_string__no_buffering(Buffer_Insertion *insertion, String_Const_u8 string){
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buffer_replace_range(insertion->app, insertion->buffer, Ii64(insertion->at), string);
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insertion->at += string.size;
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}
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static void
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insert__flush(Buffer_Insertion *insertion){
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Cursor *cursor = insertion->cursor;
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umem pos = insertion->temp.temp_memory_cursor.pos;
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String_Const_u8 string = SCu8(cursor->base + pos, cursor->pos - pos);
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insert_string__no_buffering(insertion, string);
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end_temp(insertion->temp);
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}
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static char*
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insert__reserve(Buffer_Insertion *insertion, umem size){
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char *space = push_array(insertion->cursor, char, size);
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if (space == 0){
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insert__flush(insertion);
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space = push_array(insertion->cursor, char, size);
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}
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return(space);
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}
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static void
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end_buffer_insertion(Buffer_Insertion *insertion){
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if (insertion->buffering){
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insert__flush(insertion);
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}
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}
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static void
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insert_string(Buffer_Insertion *insertion, String_Const_u8 string){
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if (!insertion->buffering){
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insert_string__no_buffering(insertion, string);
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}
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else{
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char *space = insert__reserve(insertion, string.size);
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if (space != 0){
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block_copy(space, string.str, string.size);
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}
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else{
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insert_string__no_buffering(insertion, string);
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}
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}
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}
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static umem
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insertf(Buffer_Insertion *insertion, char *format, ...){
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Scratch_Block scratch(insertion->app);
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va_list args;
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va_start(args, format);
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String_Const_u8 string = push_u8_stringfv(scratch, format, args);
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va_end(args);
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insert_string(insertion, string);
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return(string.size);
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}
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static void
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insertc(Buffer_Insertion *insertion, char C){
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insert_string(insertion, SCu8(&C, 1));
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}
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static b32
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insert_line_from_buffer(Buffer_Insertion *insertion, Buffer_ID buffer_id, i32 line, i32 truncate_at){
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b32 success = is_valid_line(insertion->app, buffer_id, line);
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if (success){
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Scratch_Block scratch(insertion->app);
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insert_string(insertion, push_buffer_line(insertion->app, scratch, buffer_id, line));
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}
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return(success);
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}
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static b32
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insert_line_from_buffer(Buffer_Insertion *insertion, Buffer_ID buffer_id, i32 line){
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return(insert_line_from_buffer(insertion, buffer_id, line, 0));
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}
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// BOTTOM
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