/**
   * @fileoverview Utility functions for React pragma configuration
   * @author Yannick Croissant
   */
  'use strict';
  
  var JSX_ANNOTATION_REGEX = /^\*\s*@jsx\s+([^\s]+)/;
  
  function getFromContext(context) {
    var pragma = 'React';
    // .eslintrc shared settings (http://eslint.org/docs/user-guide/configuring#adding-shared-settings)
    if (context.settings.react && context.settings.react.pragma) {
      pragma = context.settings.react.pragma;
    // Deprecated pragma option, here for backward compatibility
    } else if (context.options[0] && context.options[0].pragma) {
      pragma = context.options[0].pragma;
    }
    return pragma.split('.')[0];
  }
  
  function getFromNode(node) {
    var matches = JSX_ANNOTATION_REGEX.exec(node.value);
    if (!matches) {
      return false;
    }
    return matches[1].split('.')[0];
  }
  
  module.exports = {
    getFromContext: getFromContext,
    getFromNode: getFromNode
  };