sqlite-browser

'use strict' ############################################################################################################ CND = require 'cnd' rpr = CND.rpr badge = 'SQLITE-BROWSER/DB' debug = CND.get_logger 'debug', badge warn = CND.get_logger 'warn', badge info = CND.get_logger 'info', badge urge = CND.get_logger 'urge', badge help = CND.get_logger 'help', badge whisper = CND.get_logger 'whisper', badge echo = CND.echo.bind CND #........................................................................................................... PATH = require 'path' # FS = require 'fs' PD = require 'pipedreams' { $ $async select } = PD { assign jr } = CND { cwd_abspath cwd_relpath here_abspath _drop_extension project_abspath } = require './helpers' #........................................................................................................... join_path = ( P... ) -> PATH.resolve PATH.join P... boolean_as_int = ( x ) -> if x then 1 else 0 { inspect, } = require 'util' xrpr = ( x ) -> inspect x, { colors: yes, breakLength: Infinity, maxArrayLength: Infinity, depth: Infinity, } xrpr2 = ( x ) -> inspect x, { colors: yes, breakLength: 80, maxArrayLength: Infinity, depth: Infinity, } #........................................................................................................... ICQL = require 'icql' #----------------------------------------------------------------------------------------------------------- @_get_icql_settings = ( db_path ) -> defaults = connector: require 'better-sqlite3' ### TAINT stopgap, will be moved into ICQL ### db_path: db_path icql_path: project_abspath './db/sqlite-browser.icql' clear: false R = assign {}, defaults R.db_path = cwd_abspath R.db_path R.icql_path = cwd_abspath R.icql_path return R #----------------------------------------------------------------------------------------------------------- @new_db = ( db_path ) -> settings = @_get_icql_settings db_path db = ICQL.bind settings @load_extensions db @set_pragmas db #......................................................................................................... if settings.clear clear_count = db.$.clear() #......................................................................................................... @create_db_functions db return db #----------------------------------------------------------------------------------------------------------- @set_pragmas = ( db ) -> db.$.pragma 'foreign_keys = on' db.$.pragma 'synchronous = off' ### see https://sqlite.org/pragma.html#pragma_synchronous ### db.$.pragma 'journal_mode = WAL' ### see https://github.com/JoshuaWise/better-sqlite3/issues/125 ### #......................................................................................................... return null #----------------------------------------------------------------------------------------------------------- @load_extensions = ( db ) -> return null # extensions_path = project_abspath './sqlite-for-mingkwai-ime/extensions' # debug 'µ39982', "extensions_path", extensions_path # db.$.load join_path extensions_path, 'spellfix.so' # db.$.load join_path extensions_path, 'csv.so' # db.$.load join_path extensions_path, 'regexp.so' # db.$.load join_path extensions_path, 'series.so' # db.$.load join_path extensions_path, 'nextchar.so' # # db.$.load join_path extensions_path, 'stmt.so' # #......................................................................................................... # return null #----------------------------------------------------------------------------------------------------------- @create_db_functions = ( db ) -> # db.$.function 'add_spellfix_confusable', ( a, b ) -> # db.$.function 'spellfix1_phonehash', ( x ) -> # debug '23363', x # return x.toUpperCase() #--------------------------------------------------------------------------------------------------------- db.$.function 'echo', { deterministic: false, varargs: true }, ( P... ) -> ### Output text to command line. ### ### TAINT consider to use logging method to output to app console. ### urge ( CND.grey 'DB' ), P... return null #--------------------------------------------------------------------------------------------------------- db.$.function 'e', { deterministic: false, varargs: false }, ( x ) -> ### Output text to command line, but returns single input value so can be used within an expression. ### urge ( CND.grey 'DB' ), rpr x return x #--------------------------------------------------------------------------------------------------------- db.$.function 'e', { deterministic: false, varargs: false }, ( mark, x ) -> ### Output text to command line, but returns single input value so can be used within an expression. ### urge ( CND.grey "DB #{mark}" ), rpr x return x #--------------------------------------------------------------------------------------------------------- db.$.function 'contains_word', { deterministic: true, varargs: false }, ( text, probe ) -> return if ( ( ' ' + text + ' ' ).indexOf ' ' + probe + ' ' ) > -1 then 1 else 0 #--------------------------------------------------------------------------------------------------------- db.$.function 'get_words', { deterministic: true, varargs: false }, ( text ) -> ### Given a text, return a JSON array with words (whitespace-separated non-empty substrings). ### JSON.stringify ( word for word in text.split /\s+/ when word isnt '' ) # #--------------------------------------------------------------------------------------------------------- # db.$.function 'vnr_encode_textual', { deterministic: true, varargs: false }, ( vnr ) -> # ( ( "#{idx}".padStart 6, '0' ) for idx in ( JSON.parse vnr ) ).join '-' #--------------------------------------------------------------------------------------------------------- db.$.function 'vnr_encode', { deterministic: true, varargs: false }, ( vnr ) -> try Uint32Array.from JSON.parse vnr catch error warn "µ33211 when trying to convert #{xrpr2 vnr}" warn "µ33211 to a typed array, an error occurred:" warn "µ33211 #{error.message}" throw error #--------------------------------------------------------------------------------------------------------- return null