Added vmodel generator

index.js

@@ -199,17 +199,131 @@ const dirs = async (perform, path) => {
   }
 }
 
+// PB : TODO -- Should return a bunch of promises to wait for...
+var copyrecursive = function(src, dest, perform, args) {
+  var exists = fs.existsSync(src);
+  var stats = exists && fs.statSync(src);
+  var isDirectory = exists && stats.isDirectory();
+  if (isDirectory) {
+    fs.mkdirSync(dest);
+    dirs( function(childItemName) {
+      copyrecursive(path.join(src, childItemName),
+                        path.join(dest, childItemName));
+    }, src )
+    // fs.readdirSync(src).forEach(function(childItemName) {
+    //   copyrecursive(path.join(src, childItemName),
+    //                     path.join(dest, childItemName));
+    // });
+  } else {
+    fs.copyFileSync(src, dest);
+  }
+};
+
+// var renamerecursive = function(from, to){
+//   var exists = fs.existsSync(from);
+//   var stats = exists && fs.statSync(from);
+//   var isDirectory = exists && stats.isDirectory();
+//   if (isDirectory) {
+//     fs.mkdirSync(to);
+//     dirs( function(childItemName) {
+//       renamerecursive(path.join(from, childItemName),
+//                         path.join(to, childItemName));
+//     }, from )
+//     // fs.readdirSync(from).forEach(function(childItemName) {
+//     //   copyrecursive(path.join(from, childItemName),
+//     //                     path.join(to, childItemName));
+//     // });
+//   } else {
+//     fsrename(from, to);
+//   }
+// }
+
+
+var regexreplaceall = function(content, strOrregexp, substitutes){
+  var repmatches
+  var replaced = content;
+  while (repmatches = strOrregexp.exec(content)) {
+
+    if(content.length > 0) {
+      var replacement = repmatches[0]
+      for(var m = 1; m < repmatches.length; m++) {
+        replacement = replacement.replace(matches[i], substitutes[i-1])
+      }
+      replaced.replace( repmatches[0], replacement )
+
+    }
+  }
+  return replaced
+}
+
+var fsrecurse = function(target, options, actions, root) {
+  var exists = fs.existsSync(target);
+  var stats = exists && fs.statSync(target);
+  var isDirectory = exists && stats.isDirectory();
+  if (isDirectory) {
+    dirs( function(childItemName) {
+      fsrecurse(path.join(target, childItemName)
+        , options, actions, root);
+    }, target )
+  } else {
+    var prevActionResult = null;
+    actions.forEach( (action) => prevActionResult = action.apply(null, target, options) )
+  }
+};
+
+var fslink = function(target, options){  fs.linkSync( options.from, options.to ) }
+var fsrename = function(target, options){ 
+  var replaced = target; // PB : TODO -- streaming and async..
+  options.patternsubstitutions.forEach( ps => { replaced = regexreplaceall( replaced, ps ) })
+  if(replaced && replaced !== target) fs.renameSync(target, replaced) 
+  return replaced
+}
+
+var fscontentreplace = function( target, options ){ 
+  // do many replacements in one shot in the file.
+  if(options.processingtype === 'inplace' && options.sourcetype === 'filesystem' ) {
+    var content = fs.readFileSync(target) // PB : TODO -- streaming and async..
+    options.patternsubstitutions.forEach( ps => { content = regexreplaceall( content, ps ) })
+    fs.writeFileSync(target, content)
+  }
+}
+
+var templatelink = function(target, options){
+  var targetPath = target.replace(options.workingtarget, options.destinationroot);
+  var targetPathBaseDir = targetPath.split("/").pop()
+
+  var linkTobase = regexreplaceall( target, /(__link__)(__base__)-server-lib/, [ '', options.base] )
+  var linkFromName = regexreplaceall( target, /(__link____base__-server-lib)/, [ '' ] )
+  var linkToName = regexreplaceall( linkFromName, new Regexp(targetPathBaseDir), [ linkTobase ] )
+  
+  if(linkTobase) { // Only if the pattern matches which is link instruction.
+    
+      // PB : DONT DLELETE EVERYTHING ??? Only the linkable ones... Or use an add strategy without deleting...
+      fs.unlinkSync( target ); fslink( { from : linkFromName, to : linkToName }  )  
+  }
+}
+
+// Source and Target are files or folders. We need another version or a unifed version for strings..
+var processpatterns = function(target, options){
+  // Accept a set of patterns and substitutions and operate on a target and apply all patterns substitutions.
+
+  // options = options || { targettype : 'inplace', sourcetype : 'filesystem' }
+  // options.source, options.target sourcetype = 'string' | 'filesystem' options.targettype = 'inplace' | 'copy'
 
+  if(options.processingtype === 'inplace' && options.sourcetype === 'filesystem' ) {
 
-var templateprocess = function(str, substitutes){
-  const regex = /__(.*?)__/gm;
-  // const str = `__link____instance__server-lib__name__`;
-  let m;
+    options.patternsubstitutions.forEach( ps => {
+      // var replacement = regexreplaceall( from, ps.strOrregexp, ps.substitutes )
+      // if(targetname) {  // Porcess all files. Even if file names dont have patterns the content needs to be replaced.
+      return options.tasks.map( t => {  return t( target, ps ) } )
+      // }
 
-  return str.replace(regex, function(match, key) {
-    console.log(`Found match, group ${match}: ${key}`);
-    return substitutes[key] || match;
-   })
+      // return str.replace(regex, function(match, key) {
+      //   console.log(`Found match, group ${match}: ${key}`);
+      //   return substitutes[key] || match;
+      // })
+    })
+  }
 
   // while ((m = regex.exec(str)) !== null) {
   //     // This is necessary to avoid infinite loops with zero-width matches
@@ -247,26 +361,26 @@ function copyFileSync( source, target , options) {
 }
 
 function copyFolderRecursiveSync( source, target, options ) {
-    var files = [];
+  var files = [];
 
-    // Check if folder needs to be created or integrated
-    var targetFolder = path.join( target, path.basename( source ) );
-    if ( !fs.existsSync( targetFolder ) ) {
-        fs.mkdirSync( targetFolder );
-    }
+  // Check if folder needs to be created or integrated
+  var targetFolder = path.join( target, path.basename( source ) );
+  if ( !fs.existsSync( targetFolder ) ) {
+      fs.mkdirSync( targetFolder );
+  }
 
-    // Copy
-    if ( fs.lstatSync( source ).isDirectory() ) {
-        files = fs.readdirSync( source );
-        files.forEach( function ( file ) {
-            var curSource = path.join( source, file );
-            if ( fs.lstatSync( curSource ).isDirectory() ) {
-                copyFolderRecursiveSync( curSource, targetFolder );
-            } else {
-                copyFileSync( curSource, targetFolder );
-            }
-        } );
-    }
+  // Copy
+  if ( fs.lstatSync( source ).isDirectory() ) {
+      files = fs.readdirSync( source );
+      files.forEach( function ( file ) {
+          var curSource = path.join( source, file );
+          if ( fs.lstatSync( curSource ).isDirectory() ) {
+              copyFolderRecursiveSync( curSource, targetFolder );
+          } else {
+              copyFileSync( curSource, targetFolder );
+          }
+      } );
+  }
 }
 
 var getShellTask = (command, args, options) => {
@@ -2025,15 +2139,43 @@ var op = {
         throw 'NOT YET IMPLMENTED'
       }
 
-      , 'vmodel' : ()=>{
-        var verse = [ '__universe__/vmodel' ]
+      , 'vmodel' : (options)=>{
+        options = options || {
+          generate : processedArgs['all'] ? 'all' :  processedArgs['server'] ? 'server' : processedArgs['client'] ? 'client' : null
+        }
 
-        // console.dir(templateprocess(`__link____instance__server-lib__name__`, { link( ){ 
-        //   return processed }, instance : 'elixir-', name : 'newmodel' } )
-        // )
+        if(!options.generate) return 'Nothing specified for generation'
+        
+        var name = processedArgs._[2];
+        if(!name) return 'No name specified for generation'
+        var templateverse = `${selectedinstance.root}/bbhverse/__universe__/vmodel`
+        var workingtarget = `${selectedinstance.root}/.elxr/run-${runtimestamp}/temp/vmodelworkingdir`
+        var destination = `${selectedinstance.root}`
+
+        // Create a tmp working copy for staging the changes.
+        copyrecursive(templateverse,  workingtarget)
+        
+        var patternsubstitutions = [ { strOrregexp : /(__name__)/, substitutes : [name]} ] 
+        var options = { source : templateverse, target : workingtarget, destinationroot : destination, workingtarget
+            , processingtype : 'inplace', sourcetype : 'filesystem', patternsubstitutions }
+        fsrecurse( workingtarget, options
+          , [ function(workingtarget, options){
+              
+              // A series of tasks to be executed on each pattern in patternsubstitutions.
+              return [ 
+                // PB : TODO -- Contentreplace is better addressed in memory instead of file IO so do all regexps in sequence in one shot and then rename.
+                    (filename, options)=>{ fscontentreplace( filename, options ) } 
+                  , (from, options)=>{ fsrename( from, options ) }
+                ].map( t => t(workingtarget, options) )
+            }]
+        )
 
+        // Post process links in place.
+        fsrecurse( workingtarget, options, [ templatelink ] )
+        
+        // Move to the final destination. Whole tree should move only top level folders are required.
+        dirs(( child )=>{ return fs.renameSync(path.join(workingtarget, child), path.join(destination, child) )  }, workingtarget )
       }
-
     }
 
     g[processedArgs._[1]]();
@@ -3300,7 +3442,7 @@ var __interactive_prompts = function( target, choices, promptsfilter ){
           var remotenames = [] 
           Object.entries(target.remotes).forEach( ([rname, r]) => {
             if(r.server === reposerver){
-              remotes.push(rname)
+              // remotes.push(rname)
               // PB : TODO -- Sort and display highest priority target.remotes.sort(   )
             }
           })