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mirror of https://github.com/Jermolene/TiddlyWiki5 synced 2024-11-08 19:09:57 +00:00
TiddlyWiki5/plugins/tiddlywiki/sqlite3store/rawmarkup.js
2023-06-22 15:04:55 +01:00

428 lines
12 KiB
JavaScript

/*\
title: $:/plugins/tiddlywiki/sqlite3store/rawmarkup.js
type: text/plain
Startup code injected as raw markup
\*/
(function() {
// Initialse skeleton TiddlyWiki global because we run before bootprefix.js and boot.js
window.$tw = window.$tw || Object.create(null);
$tw.hooks = $tw.hooks || { names: {}};
$tw.boot = $tw.boot || {};
$tw.boot.preloadDirty = $tw.boot.preloadDirty || [];
// Tell TiddlyWiki not to boot itself
$tw.boot.suppressBoot = true;
$tw.Wiki = function(options) {
options = options || {};
var self = this,
tiddlers = Object.create(null), // Hashmap of tiddlers
tiddlerTitles = null, // Array of tiddler titles
getTiddlerTitles = function() {
if(!tiddlerTitles) {
tiddlerTitles = Object.keys(tiddlers).sort(function(a,b) {return a.localeCompare(b);});
}
return tiddlerTitles;
},
pluginTiddlers = [], // Array of tiddlers containing registered plugins, ordered by priority
pluginInfo = Object.create(null), // Hashmap of parsed plugin content
shadowTiddlers = Object.create(null), // Hashmap by title of {source:, tiddler:}
shadowTiddlerTitles = null,
getShadowTiddlerTitles = function() {
if(!shadowTiddlerTitles) {
shadowTiddlerTitles = Object.keys(shadowTiddlers);
}
return shadowTiddlerTitles;
},
enableIndexers = options.enableIndexers || null,
indexers = [],
indexersByName = Object.create(null);
//$tw.utils replacements
var eachObj = function(object,callback) {
var next,f,length;
if(object) {
if(Object.prototype.toString.call(object) == "[object Array]") {
for (f=0, length=object.length; f<length; f++) {
next = callback(object[f],f,object);
if(next === false) {
break;
}
}
} else {
var keys = Object.keys(object);
for (f=0, length=keys.length; f<length; f++) {
var key = keys[f];
next = callback(object[key],key,object);
if(next === false) {
break;
}
}
}
}
},
hop = function(object,property) {
return object ? Object.prototype.hasOwnProperty.call(object,property) : false;
},
insertSortedArray = function(array,value) {
var low = 0, high = array.length - 1, mid, cmp;
while(low <= high) {
mid = (low + high) >> 1;
cmp = value.localeCompare(array[mid]);
if(cmp > 0) {
low = mid + 1;
} else if(cmp < 0) {
high = mid - 1;
} else {
return array;
}
}
array.splice(low,0,value);
return array;
},
parseJSONSafe = function(text,defaultJSON) {
try {
return JSON.parse(text);
} catch(e) {
if(typeof defaultJSON === "function") {
return defaultJSON(e);
} else {
return defaultJSON || {};
}
}
};
this.addIndexer = function(indexer,name) {
// Bail if this indexer is not enabled
if(enableIndexers && enableIndexers.indexOf(name) === -1) {
return;
}
indexers.push(indexer);
indexersByName[name] = indexer;
indexer.init();
};
this.getIndexer = function(name) {
return indexersByName[name] || null;
};
// Add a tiddler to the store
this.addTiddler = function(tiddler) {
if(!(tiddler instanceof $tw.Tiddler)) {
tiddler = new $tw.Tiddler(tiddler);
}
// Save the tiddler
if(tiddler) {
var title = tiddler.fields.title;
if(title) {
// Uncomment the following line for detailed logs of all tiddler writes
// console.log("Adding",title,tiddler)
// Record the old tiddler state
var updateDescriptor = {
old: {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
}
// Save the new tiddler
tiddlers[title] = tiddler;
// Check we've got the title
tiddlerTitles = insertSortedArray(tiddlerTitles || [],title);
// Record the new tiddler state
updateDescriptor["new"] = {
tiddler: tiddler,
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
// Update indexes
this.clearCache(title);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.update(updateDescriptor);
});
// Queue a change event
this.enqueueTiddlerEvent(title);
}
}
};
// Delete a tiddler
this.deleteTiddler = function(title) {
// Uncomment the following line for detailed logs of all tiddler deletions
// console.log("Deleting",title)
if(hop(tiddlers,title)) {
// Record the old tiddler state
var updateDescriptor = {
old: {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
}
// Delete the tiddler
delete tiddlers[title];
// Delete it from the list of titles
if(tiddlerTitles) {
var index = tiddlerTitles.indexOf(title);
if(index !== -1) {
tiddlerTitles.splice(index,1);
}
}
// Record the new tiddler state
updateDescriptor["new"] = {
tiddler: this.getTiddler(title),
shadow: this.isShadowTiddler(title),
exists: this.tiddlerExists(title)
}
// Update indexes
this.clearCache(title);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.update(updateDescriptor);
});
// Queue a change event
this.enqueueTiddlerEvent(title,true);
}
};
// Get a tiddler from the store
this.getTiddler = function(title) {
if(title) {
var t = tiddlers[title];
if(t !== undefined) {
return t;
} else {
var s = shadowTiddlers[title];
if(s !== undefined) {
return s.tiddler;
}
}
}
return undefined;
};
// Get an array of all tiddler titles
this.allTitles = function() {
return getTiddlerTitles().slice(0);
};
// Iterate through all tiddler titles
this.each = function(callback) {
var titles = getTiddlerTitles(),
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
}
};
// Get an array of all shadow tiddler titles
this.allShadowTitles = function() {
return getShadowTiddlerTitles().slice(0);
};
// Iterate through all shadow tiddler titles
this.eachShadow = function(callback) {
var titles = getShadowTiddlerTitles(),
index,titlesLength,title;
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
}
};
// Iterate through all tiddlers and then the shadows
this.eachTiddlerPlusShadows = function(callback) {
var index,titlesLength,title,
titles = getTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
callback(tiddlers[title],title);
}
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!tiddlers[title]) {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
}
};
// Iterate through all the shadows and then the tiddlers
this.eachShadowPlusTiddlers = function(callback) {
var index,titlesLength,title,
titles = getShadowTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(tiddlers[title]) {
callback(tiddlers[title],title);
} else {
var shadowInfo = shadowTiddlers[title];
callback(shadowInfo.tiddler,title);
}
}
titles = getTiddlerTitles();
for(index = 0, titlesLength = titles.length; index < titlesLength; index++) {
title = titles[index];
if(!shadowTiddlers[title]) {
callback(tiddlers[title],title);
}
}
};
this.tiddlerExists = function(title) {
return !!hop(tiddlers,title);
};
this.isShadowTiddler = function(title) {
return hop(shadowTiddlers,title);
};
this.getShadowSource = function(title) {
if(hop(shadowTiddlers,title)) {
return shadowTiddlers[title].source;
}
return null;
};
// Get an array of all the currently recognised plugin types
this.getPluginTypes = function() {
var types = [];
eachObj(pluginTiddlers,function(pluginTiddler) {
var pluginType = pluginTiddler.fields["plugin-type"];
if(pluginType && types.indexOf(pluginType) === -1) {
types.push(pluginType);
}
});
return types;
};
// Read plugin info for all plugins, or just an array of titles. Returns the number of plugins updated or deleted
this.readPluginInfo = function(titles) {
var results = {
modifiedPlugins: [],
deletedPlugins: []
};
eachObj(titles || getTiddlerTitles(),function(title) {
var tiddler = tiddlers[title];
if(tiddler) {
if(tiddler.fields.type === "application/json" && tiddler.hasField("plugin-type") && tiddler.fields.text) {
pluginInfo[tiddler.fields.title] = parseJSONSafe(tiddler.fields.text);
results.modifiedPlugins.push(tiddler.fields.title);
}
} else {
if(pluginInfo[title]) {
delete pluginInfo[title];
results.deletedPlugins.push(title);
}
}
});
return results;
};
// Get plugin info for a plugin
this.getPluginInfo = function(title) {
return pluginInfo[title];
};
// Register the plugin tiddlers of a particular type, or null/undefined for any type, optionally restricting registration to an array of tiddler titles. Return the array of titles affected
this.registerPluginTiddlers = function(pluginType,titles) {
var self = this,
registeredTitles = [],
checkTiddler = function(tiddler,title) {
if(tiddler && tiddler.fields.type === "application/json" && tiddler.fields["plugin-type"] && (!pluginType || tiddler.fields["plugin-type"] === pluginType)) {
var disablingTiddler = self.getTiddler("$:/config/Plugins/Disabled/" + title);
if(title === "$:/core" || !disablingTiddler || (disablingTiddler.fields.text || "").trim() !== "yes") {
self.unregisterPluginTiddlers(null,[title]); // Unregister the plugin if it's already registered
pluginTiddlers.push(tiddler);
registeredTitles.push(tiddler.fields.title);
}
}
};
if(titles) {
eachObj(titles,function(title) {
checkTiddler(self.getTiddler(title),title);
});
} else {
this.each(function(tiddler,title) {
checkTiddler(tiddler,title);
});
}
return registeredTitles;
};
// Unregister the plugin tiddlers of a particular type, or null/undefined for any type, optionally restricting unregistering to an array of tiddler titles. Returns an array of the titles affected
this.unregisterPluginTiddlers = function(pluginType,titles) {
var self = this,
unregisteredTitles = [];
// Remove any previous registered plugins of this type
for(var t=pluginTiddlers.length-1; t>=0; t--) {
var tiddler = pluginTiddlers[t];
if(tiddler.fields["plugin-type"] && (!pluginType || tiddler.fields["plugin-type"] === pluginType) && (!titles || titles.indexOf(tiddler.fields.title) !== -1)) {
unregisteredTitles.push(tiddler.fields.title);
pluginTiddlers.splice(t,1);
}
}
return unregisteredTitles;
};
// Unpack the currently registered plugins, creating shadow tiddlers for their constituent tiddlers
this.unpackPluginTiddlers = function() {
var self = this;
// Sort the plugin titles by the `plugin-priority` field
pluginTiddlers.sort(function(a,b) {
if("plugin-priority" in a.fields && "plugin-priority" in b.fields) {
return a.fields["plugin-priority"] - b.fields["plugin-priority"];
} else if("plugin-priority" in a.fields) {
return -1;
} else if("plugin-priority" in b.fields) {
return +1;
} else if(a.fields.title < b.fields.title) {
return -1;
} else if(a.fields.title === b.fields.title) {
return 0;
} else {
return +1;
}
});
// Now go through the plugins in ascending order and assign the shadows
shadowTiddlers = Object.create(null);
eachObj(pluginTiddlers,function(tiddler) {
// Extract the constituent tiddlers
if(hop(pluginInfo,tiddler.fields.title)) {
eachObj(pluginInfo[tiddler.fields.title].tiddlers,function(constituentTiddler,constituentTitle) {
// Save the tiddler object
if(constituentTitle) {
shadowTiddlers[constituentTitle] = {
source: tiddler.fields.title,
tiddler: new $tw.Tiddler(constituentTiddler,{title: constituentTitle})
};
}
});
}
});
shadowTiddlerTitles = null;
this.clearCache(null);
this.clearGlobalCache();
eachObj(indexers,function(indexer) {
indexer.rebuild();
});
};
if(this.addIndexersToWiki) {
this.addIndexersToWiki();
}
};
})();
//# sourceURL=$:/plugins/tiddlywiki/sqlite3store/rawmarkup.js