function! s:has_provider(server_name, ...) abort let l:value = lsp#get_server_capabilities(a:server_name) for l:provider in a:000 if empty(l:value) || type(l:value) != type({}) || !has_key(l:value, l:provider) return 0 endif let l:value = l:value[l:provider] endfor return (type(l:value) == type(v:true) && l:value == v:true) || type(l:value) == type({}) endfunction function! lsp#capabilities#has_declaration_provider(server_name) abort return s:has_provider(a:server_name, 'declarationProvider') endfunction function! lsp#capabilities#has_definition_provider(server_name) abort return s:has_provider(a:server_name, 'definitionProvider') endfunction function! lsp#capabilities#has_references_provider(server_name) abort return s:has_provider(a:server_name, 'referencesProvider') endfunction function! lsp#capabilities#has_hover_provider(server_name) abort return s:has_provider(a:server_name, 'hoverProvider') endfunction function! lsp#capabilities#has_rename_provider(server_name) abort return s:has_provider(a:server_name, 'renameProvider') endfunction function! lsp#capabilities#has_rename_prepare_provider(server_name) abort return s:has_provider(a:server_name, 'renameProvider', 'prepareProvider') endfunction function! lsp#capabilities#has_workspace_folders_change_notifications(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if type(l:capabilities) == type({}) && !empty(l:capabilities) let l:workspace = get(l:capabilities, 'workspace', {}) if type(l:workspace) == type({}) && !empty(l:workspace) let l:workspace_folders = get(l:workspace, 'workspaceFolders', {}) if type(l:workspace_folders) == type({}) && !empty(l:workspace_folders) if get(l:workspace_folders, 'supported', v:false) && get(l:workspace_folders, 'changeNotifications', '') ==# 'workspace/didChangeWorkspaceFolders' return v:true endif endif endif endif return v:false endfunction function! lsp#capabilities#has_document_formatting_provider(server_name) abort return s:has_provider(a:server_name, 'documentFormattingProvider') endfunction function! lsp#capabilities#has_document_range_formatting_provider(server_name) abort return s:has_provider(a:server_name, 'documentRangeFormattingProvider') endfunction function! lsp#capabilities#has_document_symbol_provider(server_name) abort return s:has_provider(a:server_name, 'documentSymbolProvider') endfunction function! lsp#capabilities#has_workspace_symbol_provider(server_name) abort return s:has_provider(a:server_name, 'workspaceSymbolProvider') endfunction function! lsp#capabilities#has_implementation_provider(server_name) abort return s:has_provider(a:server_name, 'implementationProvider') endfunction function! lsp#capabilities#has_code_action_provider(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'codeActionProvider') if type(l:capabilities['codeActionProvider']) == type({}) if has_key(l:capabilities['codeActionProvider'], 'codeActionKinds') && type(l:capabilities['codeActionProvider']['codeActionKinds']) == type([]) return len(l:capabilities['codeActionProvider']['codeActionKinds']) != 0 endif endif endif return s:has_provider(a:server_name, 'codeActionProvider') endfunction function! lsp#capabilities#has_code_lens_provider(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'codeLensProvider') return 1 endif return 0 endfunction function! lsp#capabilities#has_type_definition_provider(server_name) abort return s:has_provider(a:server_name, 'typeDefinitionProvider') endfunction function! lsp#capabilities#has_type_hierarchy_provider(server_name) abort return s:has_provider(a:server_name, 'typeHierarchyProvider') endfunction function! lsp#capabilities#has_document_highlight_provider(server_name) abort return s:has_provider(a:server_name, 'documentHighlightProvider') endfunction function! lsp#capabilities#has_folding_range_provider(server_name) abort return s:has_provider(a:server_name, 'foldingRangeProvider') endfunction function! lsp#capabilities#has_call_hierarchy_provider(server_name) abort return s:has_provider(a:server_name, 'callHierarchyProvider') endfunction function! lsp#capabilities#has_semantic_tokens(server_name) abort return s:has_provider(a:server_name, 'semanticTokensProvider') endfunction " [supports_did_save (boolean), { 'includeText': boolean }] function! lsp#capabilities#get_text_document_save_registration_options(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'textDocumentSync') if type(l:capabilities['textDocumentSync']) == type({}) let l:save_options = get(l:capabilities['textDocumentSync'], 'save', 0) if type(l:save_options) == type({}) return [1, {'includeText': get(l:save_options, 'includeText', 0)}] else return [l:save_options ? 1 : 0, {'includeText': 0 }] endif else return [1, { 'includeText': 0 }] endif endif return [0, { 'includeText': 0 }] endfunction " supports_did_change (boolean) function! lsp#capabilities#get_text_document_change_sync_kind(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'textDocumentSync') if type(l:capabilities['textDocumentSync']) == type({}) if has_key(l:capabilities['textDocumentSync'], 'change') && type(l:capabilities['textDocumentSync']['change']) == type(1) let l:val = l:capabilities['textDocumentSync']['change'] return l:val >= 0 && l:val <= 2 ? l:val : 1 else return 1 endif elseif type(l:capabilities['textDocumentSync']) == type(1) return l:capabilities['textDocumentSync'] else return 1 endif endif return 1 endfunction function! lsp#capabilities#has_signature_help_provider(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'signatureHelpProvider') return 1 endif return 0 endfunction function! lsp#capabilities#get_signature_help_trigger_characters(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'signatureHelpProvider') let l:trigger_chars = [] if type(l:capabilities['signatureHelpProvider']) == type({}) if has_key(l:capabilities['signatureHelpProvider'], 'triggerCharacters') let l:trigger_chars = l:capabilities['signatureHelpProvider']['triggerCharacters'] endif " If retriggerChars exist, just treat them like triggerChars. if has_key(l:capabilities['signatureHelpProvider'], 'retriggerCharacters') let l:trigger_chars += l:capabilities['signatureHelpProvider']['retriggerCharacters'] endif return l:trigger_chars endif endif return [] endfunction function! lsp#capabilities#get_code_action_kinds(server_name) abort let l:capabilities = lsp#get_server_capabilities(a:server_name) if !empty(l:capabilities) && has_key(l:capabilities, 'codeActionProvider') if type(l:capabilities['codeActionProvider']) == type({}) if has_key(l:capabilities['codeActionProvider'], 'codeActionKinds') && type(l:capabilities['codeActionProvider']['codeActionKinds']) == type([]) return l:capabilities['codeActionProvider']['codeActionKinds'] endif endif endif return [] endfunction function! lsp#capabilities#has_completion_provider(server_name) abort return s:has_provider(a:server_name, 'completionProvider') endfunction function! lsp#capabilities#has_completion_resolve_provider(server_name) abort return s:has_provider(a:server_name, 'completionProvider', 'resolveProvider') endfunction function! lsp#capabilities#has_inlay_hint_provider(server_name) abort return s:has_provider(a:server_name, 'inlayHintProvider') endfunction