toloframework/lib/boilerplate.view.parser.js

Javascript/HTML/CSS compiler for Firefox OS or nodewebkit apps using modules in the nodejs style.

"use strict";

/**
 * @export @class Parser
 */
const Parser = require( "./boilerplate.view.parser.constructor" );

/**
 * @member addName
 * When  you need  a  variable  name, this  method  helps  you to  not
 * duplicate its name.
 * @param {string} name - Name to add to the list of already used names.
 * @return {boolean} `true` if the name did not exist until now.
 */
/**
 * @member getFreeName
 * @param {string} name - Prefix of the name you want to get.
 * @return {string} A name with a number appened to it.
 * @example
 * var p = new Parser();
 * p.getFreeName("foo");  // -> "foo1"
 * p.getFreeName("foo");  // -> "foo2"
 * p.getFreeName("bar");  // -> "bar1"
 * p.getFreeName("foo");  // -> "foo3"
 */
require( "./boilerplate.view.parser.names" )( Parser );

/**
 * @param {object} xjs -
 */
Parser.prototype.parse = parser_parse;

/**
 * @param {object} attribs - for example `{ is-valid:{boolean false}, ... }`.
 */
Parser.prototype.parseViewAttribs = parser_parseViewAttribs;

/**
 * @member parseConverter
 * @param {object} type
 * `converter: string`
 * `converter: {float() 0}`
 * `converter: {boolean2string() CORRECT WRONG}`
 * `converter: {Behind myConverter}`
 * `converter: {| neg abs [integer 0]}`
 */
require( "./boilerplate.view.parser.parseConverter" )( Parser );

module.exports = Parser;


const Util = require( "./boilerplate.util" );

const RX_VIEW_ATTRIB = /^[a-z](-[a-z0-9]+)*$/;


function parser_parse( xjs ) {
    try {
        throw Error( "Not implemented!" );
    } catch ( ex ) {
        Util.throwError( "Error in module `boilerplate.view.parser`", ex );
    }
}

function parser_parseViewAttribs( attribs ) {
    try {
        var attribName, attribValue;
        for ( attribName in attribs ) {
            attribValue = attribs[ attribName ];
            parser_parseViewAttribs_parseAttrib.call( this, attribName, attribValue );
        }
    } catch ( ex ) {
        Util.throwError( "Error while parsing `view.attribs`", ex );
    }
}

function parser_parseViewAttribs_parseAttrib( attribName, attribValue ) {
    parser_parseViewAttribs_parseAttrib_check( attribName, attribValue );

    try {
        var type = attribValue[ '0' ].toLowerCase();
        if ( CONVERTERS.indexOf( type ) > -1 )
            return parser_parseViewAttribs_parseAttrib_simple.call( this, type );
    } catch ( ex ) {
        Util.throwError( "Error while parsing attribute `" + attribName + "`", ex );
    }
}

function parser_parseViewAttribs_parseAttrib_simple( type ) {
    var varName = this.parseConverter( type );
}

function parser_parseViewAttribs_parseAttrib_check( attribName, attribValue ) {
    if ( !RX_VIEW_ATTRIB.test( attribName ) ) {
        throw "`" + attribName +
            "` is not a valid attribute name. Examples of valid names are: `x`, `orientation`, `is-enabled`.";
    }
    if ( !Util.isSpecial( attribValue ) && !Array.isArray( attribValue[ '0' ] ) ) {
        throw "`" + attribName + "` must be a special object";
    }
}