the cursor seek is pretty cleaned up and ready for an interactive API
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@ -388,18 +388,43 @@ buffer_get_line_index_from_wrapped_y(f32 *wraps, f32 y, f32 font_height, i32 l_b
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return(result);
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return(result);
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}
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}
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typedef struct Seek_State{
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internal_4tech Full_Cursor
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Full_Cursor cursor;
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buffer_cursor_seek(Buffer_Type *buffer, Buffer_Seek seek, f32 max_width,
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Full_Cursor prev_cursor;
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f32 font_height, f32 *adv, Full_Cursor cursor){
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} Seek_State;
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i32 xy_seek;
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internal_4tech i32
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switch(seek.type){
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cursor_seek_step(Seek_State *state, Buffer_Seek seek, i32 xy_seek, f32 max_width,
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case buffer_seek_pos:
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f32 font_height, f32 *adv, i32 size, u8 ch){
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if (cursor.pos >= seek.pos) goto buffer_cursor_seek_end;
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Full_Cursor cursor = state->cursor;
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Full_Cursor prev_cursor = cursor;
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case buffer_seek_wrapped_xy:
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if (seek.x == 0 && cursor.wrapped_y >= seek.y) goto buffer_cursor_seek_end;
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case buffer_seek_unwrapped_xy:
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if (seek.x == 0 && cursor.unwrapped_y >= seek.y) goto buffer_cursor_seek_end;
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case buffer_seek_line_char:
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if (cursor.line >= seek.line && cursor.character >= seek.character) goto buffer_cursor_seek_end;
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}
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if (adv){
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Buffer_Stream_Type stream = {0};
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i32 size = buffer_size(buffer);
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i32 i = cursor.pos;
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xy_seek = (seek.type == buffer_seek_wrapped_xy || seek.type == buffer_seek_unwrapped_xy);
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i32 result = 1;
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i32 result = 1;
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f32 x, px, y;
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stream.use_termination_character = 1;
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stream.terminator = 0;
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if (buffer_stringify_loop(&stream, buffer, i, size)){
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b32 still_looping = 0;
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do{
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for (; i < stream.end; ++i){
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u8 ch = (u8)stream.data[i];
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Full_Cursor prev_cursor = cursor;
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switch (ch){
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switch (ch){
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case '\n':
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case '\n':
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@ -435,7 +460,7 @@ cursor_seek_step(Seek_State *state, Buffer_Seek seek, i32 xy_seek, f32 max_width
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goto cursor_seek_step_end;
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goto cursor_seek_step_end;
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}
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}
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x = y = px = 0;
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f32 x = 0, px = 0, y = 0;
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switch (seek.type){
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switch (seek.type){
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case buffer_seek_pos:
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case buffer_seek_pos:
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@ -488,57 +513,6 @@ cursor_seek_step(Seek_State *state, Buffer_Seek seek, i32 xy_seek, f32 max_width
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}
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}
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cursor_seek_step_end:;
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cursor_seek_step_end:;
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state->cursor = cursor;
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state->prev_cursor = prev_cursor;
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return(result);
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}
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internal_4tech Full_Cursor
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buffer_cursor_seek(Buffer_Type *buffer, Buffer_Seek seek, f32 max_width,
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f32 font_height, f32 *adv, Full_Cursor cursor){
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i32 result = 0;
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Seek_State state;
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i32 xy_seek;
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state.cursor = cursor;
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switch(seek.type){
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case buffer_seek_pos:
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if (cursor.pos >= seek.pos) goto buffer_cursor_seek_end;
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break;
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case buffer_seek_wrapped_xy:
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if (seek.x == 0 && cursor.wrapped_y >= seek.y) goto buffer_cursor_seek_end;
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break;
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case buffer_seek_unwrapped_xy:
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if (seek.x == 0 && cursor.unwrapped_y >= seek.y) goto buffer_cursor_seek_end;
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break;
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case buffer_seek_line_char:
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if (cursor.line >= seek.line && cursor.character >= seek.character) goto buffer_cursor_seek_end;
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break;
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}
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if (adv){
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Buffer_Stream_Type stream = {0};
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i32 size = buffer_size(buffer);
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i32 i = cursor.pos;
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xy_seek = (seek.type == buffer_seek_wrapped_xy || seek.type == buffer_seek_unwrapped_xy);
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result = 1;
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stream.use_termination_character = 1;
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stream.terminator = 0;
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if (buffer_stringify_loop(&stream, buffer, i, size)){
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b32 still_looping = 0;
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do{
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for (; i < stream.end; ++i){
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u8 ch = (u8)stream.data[i];
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result = cursor_seek_step(&state, seek, xy_seek, max_width,
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font_height, adv, size, ch);
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if (!result){
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if (!result){
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goto buffer_cursor_seek_end;
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goto buffer_cursor_seek_end;
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}
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}
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@ -551,7 +525,7 @@ buffer_cursor_seek(Buffer_Type *buffer, Buffer_Seek seek, f32 max_width,
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}
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}
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buffer_cursor_seek_end:;
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buffer_cursor_seek_end:;
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return(state.cursor);
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return(cursor);
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}
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}
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internal_4tech Partial_Cursor
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internal_4tech Partial_Cursor
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