141 lines
4.2 KiB
C++
141 lines
4.2 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, i32 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, i32 at, Partition *part){
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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.part = part;
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result.temp = begin_temp_memory(part);
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return(result);
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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 = 0;
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get_active_view(app, AccessAll, &view);
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Buffer_ID buffer = 0;
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view_get_buffer(app, view, AccessAll, &buffer);
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i32 cursor_pos = 0;
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view_get_cursor_pos(app, view, &cursor_pos);
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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 string){
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buffer_replace_range(insertion->app, insertion->buffer, insertion->at, 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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Partition *part = insertion->part;
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i32 pos = insertion->temp.pos;
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String string = make_string(part->base + pos, part->pos - pos);
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insert_string__no_buffering(insertion, string);
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end_temp_memory(insertion->temp);
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}
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static char*
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insert__reserve(Buffer_Insertion *insertion, i32 size){
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char *space = push_array(insertion->part, char, size);
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if (space == 0){
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insert__flush(insertion);
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space = push_array(insertion->part, 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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insert_string(Buffer_Insertion *insertion, String 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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memcpy(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 i32
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insertf(Buffer_Insertion *insertion, char *format, ...){
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Arena *arena = context_get_arena(insertion->app);
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Temp_Memory_Arena temp = begin_temp_memory(arena);
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va_list args;
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va_start(args, format);
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String string = string_push_fv(arena, format, args);
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va_end(args);
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insert_string(insertion, string);
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end_temp_memory(temp);
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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, make_string(&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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Partition *part = &global_part;
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Temp_Memory temp = begin_temp_memory(part);
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Partial_Cursor begin = {};
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Partial_Cursor end = {};
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b32 success = false;
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if (buffer_compute_cursor(insertion->app, buffer_id, seek_line_char(line, 1), &begin)){
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if (buffer_compute_cursor(insertion->app, buffer_id, seek_line_char(line, -1), &end)){
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if (begin.line == line){
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i32 buffer_size = 0;
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buffer_get_size(insertion->app, buffer_id, &buffer_size);
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if (0 <= begin.pos && begin.pos <= end.pos && end.pos <= buffer_size){
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i32 size = (end.pos - begin.pos);
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if(truncate_at && (size > truncate_at))
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{
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size = truncate_at;
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}
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char *memory = push_array(part, char, size);
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if (memory != 0){
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String str = make_string(memory, 0, size);
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success = true;
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buffer_read_range(insertion->app, buffer_id, begin.pos, end.pos, str.str);
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str.size = size;
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insert_string(insertion, str);
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}
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}
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}
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}
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}
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end_temp_memory(temp);
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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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