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Code Issues Releases Wiki Activity

Add utility function for parsing macro parameter definitions

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jeremy@jermolene.com
2022-05-27 18:37:42 +01:00
parent 7fc65d0d1a
commit a2fbebf509
3 changed files with 39 additions and 28 deletions
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30
core/modules/parsers/parseutils.js
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@@ -123,6 +123,36 @@ exports.parseStringLiteral = function(source,pos) {
}
};
/*
Returns an array of {name:} with an optional "default" property. Options include:
requireParenthesis: require the parameter definition to be wrapped in parenthesis
*/
exports.parseParameterDefinition = function(paramString,options) {
options = options || {};
if(options.requireParenthesis) {
var parenMatch = /^\s*\((.*)\)\s*$/g.exec(paramString);
if(!parenMatch) {
return [];
}
paramString = parenMatch[1];
}
var params = [],
reParam = /\s*([^:),\s]+)(?:\s*:\s*(?:"""([\s\S]*?)"""|"([^"]*)"|'([^']*)'|([^,"'\s]+)))?/mg,
paramMatch = reParam.exec(paramString);
while(paramMatch) {
// Save the parameter details
var paramInfo = {name: paramMatch[1]},
defaultValue = paramMatch[2] || paramMatch[3] || paramMatch[4] || paramMatch[5];
if(defaultValue !== undefined) {
paramInfo["default"] = defaultValue;
}
params.push(paramInfo);
// Look for the next parameter
paramMatch = reParam.exec(paramString);
}
return params;
};
exports.parseMacroParameters = function(node,source,pos) {
// Process parameters
var parameter = $tw.utils.parseMacroParameter(source,pos);