mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-24 18:47:20 +00:00
60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
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//--
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//-- LoaderBase and SaverBase
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//--
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//# LoaderBase: A (abstract) storage loader that loads the tiddlers from a list of HTML elements.
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//# The format of the elements is defined by subclasses of this loader through the internalizeTiddler implementation.
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//# Subclasses must implement:
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//# function getTitle(store,node)
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//# function internalizeTiddler(store,tiddler,title,node)
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//#
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//# store must implement:
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//# function createTiddler(title)
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function LoaderBase() {}
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LoaderBase.prototype.loadTiddler = function(store,node,tiddlers)
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{
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var title = this.getTitle(store,node);
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if(safeMode && store.isShadowTiddler(title))
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return;
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if(title) {
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var tiddler = store.createTiddler(title);
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this.internalizeTiddler(store,tiddler,title,node);
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tiddlers.push(tiddler);
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}
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};
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LoaderBase.prototype.loadTiddlers = function(store,nodes)
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{
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var t,tiddlers = [];
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for(t = 0; t < nodes.length; t++) {
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try {
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this.loadTiddler(store,nodes[t],tiddlers);
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} catch(ex) {
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showException(ex,config.messages.tiddlerLoadError.format([this.getTitle(store,nodes[t])]));
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}
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}
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return tiddlers;
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};
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//# SaverBase: a (abstract) storage saver that externalizes all tiddlers into a string,
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//# with every tiddler individually externalized (using this.externalizeTiddler) and joined with newlines
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//# Subclasses must implement:
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//# function externalizeTiddler(store,tiddler)
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//#
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//# store must implement:
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//# function getTiddlers(sortByFieldName)
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function SaverBase() {}
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SaverBase.prototype.externalize = function(store)
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{
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var results = [];
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var t,tiddlers = store.getTiddlers("title");
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for(t = 0; t < tiddlers.length; t++) {
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if(!tiddlers[t].doNotSave())
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results.push(this.externalizeTiddler(store, tiddlers[t]));
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}
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return results.join("\n");
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};
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