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-rw-r--r--signature-help.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/signature-help.c b/signature-help.c
index df8c564..b6a1105 100644
--- a/signature-help.c
+++ b/signature-help.c
@@ -10,3 +10,49 @@ void signature_help_open(Ted *ted, char32_t trigger) {
s->position = buffer_cursor_pos_as_lsp_document_position(buffer);
lsp_send_request(lsp, &request);
}
+
+static void signature_help_clear(SignatureHelp *help) {
+ for (int i = 0; i < help->signature_count; ++i) {
+ Signature sig = help->signatures[i];
+ free(sig.label_pre);
+ free(sig.label_active);
+ free(sig.label_post);
+ }
+ memset(help->signatures, 0, sizeof help->signatures);
+}
+
+void signature_help_process_lsp_response(Ted *ted, const LSPResponse *response) {
+ if (response->request.type != LSP_REQUEST_SIGNATURE_HELP)
+ return;
+ SignatureHelp *help = &ted->signature_help;
+ const LSPResponseSignatureHelp *lsp_help = &response->data.signature_help;
+ u32 signature_count = arr_len(lsp_help->signatures);
+ if (signature_count > SIGNATURE_HELP_MAX)
+ signature_count = SIGNATURE_HELP_MAX;
+
+ signature_help_clear(help);
+ for (u32 s = 0; s < signature_count; ++s) {
+ Signature *signature = &help->signatures[s];
+ LSPSignatureInformation *lsp_signature = &lsp_help->signatures[s];
+
+ const char *label = lsp_response_string(response, lsp_signature->label);
+ size_t start = unicode_utf16_to_utf8_offset(label, lsp_signature->active_start);
+ size_t end = unicode_utf16_to_utf8_offset(label, lsp_signature->active_end);
+ if (start == (size_t)-1) {
+ assert(0);
+ start = 0;
+ }
+ if (end == (size_t)-1) {
+ assert(0);
+ end = 0;
+ }
+ u32 active_start = (u32)start;
+ u32 active_end = (u32)end;
+ signature->label_pre = strn_dup(label, active_start);
+ signature->label_active = strn_dup(label + active_start, active_end - active_start);
+ signature->label_post = str_dup(label + active_end);
+ printf("%s*%s*%s\n",signature->label_pre,signature->label_active,signature->label_post);
+ }
+
+ help->signature_count = (u16)signature_count;
+}