Namespace: parsing

Blockly.utils.parsing

namespace   static

Methods

checkMessageReferences

static

checkMessageReferences(message) returns boolean

Validates that any %{MSG_KEY} references in the message refer to keys of the Msg string table.

Parameter
message	string Text which might contain string table references.

Returns

boolean True if all message references have matching values. Otherwise, false.

parseBlockColour

static

parseBlockColour(colour) returns Object

Parse a block colour from a number or string, as provided in a block definition.

Parameter
colour	(number or string) HSV hue value (0 to 360), #RRGGBB string, or a message reference string pointing to one of those two values.

Throws

Error If the colour cannot be parsed.

Returns

{hue: nullable number, hex: string} An object containing the colour as a #RRGGBB string, and the hue if the input was an HSV hue value.

replaceMessageReferences

static

replaceMessageReferences(message) returns string

Replaces string table references in a message, if the message is a string. For example, "%{bky_my_msg}" and "%{BKY_MY_MSG}" will both be replaced with the value in Msg['MY_MSG'].

Parameter
message	(string or unknown) Message, which may be a string that contains string table references.

Returns

string String with message references replaced.

tokenizeInterpolation

static

tokenizeInterpolation(message) returns Array of (string or number)

Parse a string with any number of interpolation tokens (%1, %2, ...). It will also replace string table references (e.g., %{bky_my_msg} and %{BKY_MY_MSG} will both be replaced with the value in Msg['MY_MSG']). Percentage sign characters '%' may be self-escaped (e.g., '%%').

Parameter
message	string Text which might contain string table references and interpolation tokens.

Returns

non-null Array of (string or number) Array of strings and numbers.