133 lines
4.8 KiB
C++
133 lines
4.8 KiB
C++
/*
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* 4coder_eol.cpp - Commands and routines for controling the end-of-line encoding
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* of files.
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*/
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// TOP
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function void
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rewrite_lines_to_crlf(Application_Links *app, Buffer_ID buffer){
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ProfileScope(app, "rewrite lines to crlf");
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Scratch_Block scratch(app);
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i64 size = buffer_get_size(app, buffer);
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Batch_Edit *first = 0;
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Batch_Edit *last = 0;
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ProfileBlockNamed(app, "build batch edit", profile_batch);
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i64 pos = -1;
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Character_Predicate pred_cr = character_predicate_from_character('\r');
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Character_Predicate pred_lf = character_predicate_from_character('\n');
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Character_Predicate pred = character_predicate_or(&pred_cr, &pred_lf);
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for (;;){
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String_Match match = buffer_seek_character_class(app, buffer, &pred,
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Scan_Forward, pos);
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if (match.range.min == match.range.max){
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break;
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}
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pos = match.range.min;
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u8 c1 = buffer_get_char(app, buffer, pos);
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u8 c2 = buffer_get_char(app, buffer, pos + 1);
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if (c1 == '\r'){
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if (pos + 1 == size || c2 != '\n'){
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Batch_Edit *edit = push_array(scratch, Batch_Edit, 1);
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sll_queue_push(first, last, edit);
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edit->edit.text = string_u8_litexpr("");
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edit->edit.range = match.range;
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}
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else{
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pos += 1;
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}
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}
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else{
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Batch_Edit *edit = push_array(scratch, Batch_Edit, 1);
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sll_queue_push(first, last, edit);
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edit->edit.text = string_u8_litexpr("\r");
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edit->edit.range = Ii64(pos);
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}
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}
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ProfileCloseNow(profile_batch);
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buffer_batch_edit(app, buffer, first);
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}
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function void
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rewrite_lines_to_lf(Application_Links *app, Buffer_ID buffer){
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ProfileScope(app, "rewrite lines to lf");
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Scratch_Block scratch(app);
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Batch_Edit *first = 0;
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Batch_Edit *last = 0;
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ProfileBlockNamed(app, "build batch edit", profile_batch);
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i64 pos = -1;
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Character_Predicate pred = character_predicate_from_character('\r');
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for (;;){
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String_Match match = buffer_seek_character_class(app, buffer, &pred,
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Scan_Forward, pos);
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if (match.range.min == match.range.max){
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break;
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}
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pos = match.range.min;
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Batch_Edit *edit = push_array(scratch, Batch_Edit, 1);
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sll_queue_push(first, last, edit);
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edit->edit.text = string_u8_litexpr("");
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edit->edit.range = match.range;
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}
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ProfileCloseNow(profile_batch);
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buffer_batch_edit(app, buffer, first);
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}
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////////////////////////////////
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CUSTOM_COMMAND_SIG(set_eol_mode_to_crlf)
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CUSTOM_DOC("Puts the buffer in crlf line ending mode.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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Managed_Scope scope = buffer_get_managed_scope(app, buffer);
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Line_Ending_Kind *eol_setting = scope_attachment(app, scope, buffer_eol_setting,
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Line_Ending_Kind);
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*eol_setting = LineEndingKind_CRLF;
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}
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CUSTOM_COMMAND_SIG(set_eol_mode_to_lf)
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CUSTOM_DOC("Puts the buffer in lf line ending mode.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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Managed_Scope scope = buffer_get_managed_scope(app, buffer);
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Line_Ending_Kind *eol_setting = scope_attachment(app, scope, buffer_eol_setting,
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Line_Ending_Kind);
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*eol_setting = LineEndingKind_LF;
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}
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CUSTOM_COMMAND_SIG(set_eol_mode_to_binary)
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CUSTOM_DOC("Puts the buffer in bin line ending mode.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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Managed_Scope scope = buffer_get_managed_scope(app, buffer);
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Line_Ending_Kind *eol_setting = scope_attachment(app, scope, buffer_eol_setting,
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Line_Ending_Kind);
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*eol_setting = LineEndingKind_Binary;
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}
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CUSTOM_COMMAND_SIG(set_eol_mode_from_contents)
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CUSTOM_DOC("Sets the buffer's line ending mode to match the contents of the buffer.")
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{
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View_ID view = get_active_view(app, Access_ReadWriteVisible);
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Buffer_ID buffer = view_get_buffer(app, view, Access_ReadWriteVisible);
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Line_Ending_Kind setting = guess_line_ending_kind_from_buffer(app, buffer);
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Managed_Scope scope = buffer_get_managed_scope(app, buffer);
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Line_Ending_Kind *eol_setting = scope_attachment(app, scope, buffer_eol_setting,
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Line_Ending_Kind);
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*eol_setting = setting;
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}
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// BOTTOM
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