source: imaps-frontend/node_modules/relateurl/lib/parse/path.js@ 79a0317

"use strict";

function isDirectoryIndex(resource, options)
{
        var verdict = false;
        
        options.directoryIndexes.every( function(index)
        {
                if (index === resource)
                {
                        verdict = true;
                        return false;
                }
                
                return true;
        });
        
        return verdict;
}



function parsePath(urlObj, options)
{
        var path = urlObj.path.absolute.string;
        
        if (path)
        {
                var lastSlash = path.lastIndexOf("/");
                
                if (lastSlash > -1)
                {
                        if (++lastSlash < path.length)
                        {
                                var resource = path.substr(lastSlash);
                                
                                if (resource!=="." && resource!=="..")
                                {
                                        urlObj.resource = resource;
                                        path = path.substr(0, lastSlash);
                                }
                                else
                                {
                                        path += "/";
                                }
                        }
                        
                        urlObj.path.absolute.string = path;
                        urlObj.path.absolute.array = splitPath(path);
                }
                else if (path==="." || path==="..")
                {
                        // "..?var", "..#anchor", etc ... not "..index.html"
                        path += "/";
                        
                        urlObj.path.absolute.string = path;
                        urlObj.path.absolute.array = splitPath(path);
                }
                else
                {
                        // Resource-only
                        urlObj.resource = path;
                        urlObj.path.absolute.string = null;
                }
                
                urlObj.extra.resourceIsIndex = isDirectoryIndex(urlObj.resource, options);
        }
        // Else: query/hash-only or empty
}



function splitPath(path)
{
        // TWEAK :: condition only for speed optimization
        if (path !== "/")
        {
                var cleaned = [];
                
                path.split("/").forEach( function(dir)
                {
                        // Cleanup -- splitting "/dir/" becomes ["","dir",""]
                        if (dir !== "")
                        {
                                cleaned.push(dir);
                        }
                });
                
                return cleaned;
        }
        else
        {
                // Faster to skip the above block and just create an array
                return [];
        }
}



module.exports = parsePath;