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#include "ted-internal.h"
struct Formatting {
LSPServerRequestID last_request_id;
};
void format_init(Ted *ted) {
ted->formatting = calloc(1, sizeof (Formatting));
}
static void format_common(Ted *ted, bool selection) {
Formatting *formatting = ted->formatting;
ted_cancel_lsp_request(ted, &formatting->last_request_id);
TextBuffer *buffer = ted_active_buffer(ted);
if (!buffer) return;
if (selection && !buffer_has_selection(buffer)) return;
LSP *lsp = buffer_lsp(buffer);
if (!lsp) return;
Settings *settings = buffer_settings(buffer);
LSPRequest request = {
.type = selection ? LSP_REQUEST_RANGE_FORMATTING : LSP_REQUEST_FORMATTING
};
LSPRequestFormatting *req_data = &request.data.formatting;
req_data->document = buffer_lsp_document_id(buffer);
req_data->indent_with_spaces = settings->indent_with_spaces;
req_data->tab_width = settings->tab_width;
if (selection) {
req_data->use_range = true;
req_data->range = buffer_selection_as_lsp_range(buffer);
}
formatting->last_request_id = lsp_send_request(lsp, &request);
}
void format_selection(Ted *ted) {
format_common(ted, true);
}
void format_file(Ted *ted) {
format_common(ted, false);
}
void format_cancel_request(Ted *ted) {
Formatting *formatting = ted->formatting;
ted_cancel_lsp_request(ted, &formatting->last_request_id);
}
void format_process_lsp_response(Ted *ted, const LSPResponse *response) {
Formatting *formatting = ted->formatting;
const LSPRequest *request = &response->request;
if (request->id != formatting->last_request_id.id)
return;
if (!(request->type == LSP_REQUEST_RANGE_FORMATTING
|| request->type == LSP_REQUEST_FORMATTING)) {
return;
}
formatting->last_request_id.id = 0;
if (lsp_response_is_error(response)) {
ted_flash_error_cursor(ted);
return;
}
TextBuffer *buffer = ted->active_buffer;
if (!buffer) return;
if (buffer_lsp_document_id(buffer) != request->data.formatting.document)
return; // switched document
buffer_deselect(buffer);
const LSPResponseFormatting *f = &response->data.formatting;
buffer_start_edit_chain(buffer);
buffer_apply_lsp_text_edits(buffer, response, f->edits, arr_len(f->edits));
buffer_end_edit_chain(buffer);
}
void format_quit(Ted *ted) {
free(ted->formatting);
ted->formatting = NULL;
}
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