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Diffstat (limited to 'node_modules/renderkid/lib/layout/Block.js')
| -rw-r--r-- | node_modules/renderkid/lib/layout/Block.js | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/node_modules/renderkid/lib/layout/Block.js b/node_modules/renderkid/lib/layout/Block.js new file mode 100644 index 000000000..e22e800a4 --- /dev/null +++ b/node_modules/renderkid/lib/layout/Block.js @@ -0,0 +1,253 @@ +// Generated by CoffeeScript 1.9.3 +var Block, SpecialString, object, terminalWidth; + +SpecialString = require('./SpecialString'); + +object = require('utila').object; + +terminalWidth = require('../tools').getCols(); + +module.exports = Block = (function() { + var self; + + self = Block; + + Block.defaultConfig = { + blockPrependor: { + fn: require('./block/blockPrependor/Default'), + options: { + amount: 0 + } + }, + blockAppendor: { + fn: require('./block/blockAppendor/Default'), + options: { + amount: 0 + } + }, + linePrependor: { + fn: require('./block/linePrependor/Default'), + options: { + amount: 0 + } + }, + lineAppendor: { + fn: require('./block/lineAppendor/Default'), + options: { + amount: 0 + } + }, + lineWrapper: { + fn: require('./block/lineWrapper/Default'), + options: { + lineWidth: null + } + }, + width: terminalWidth, + prefixRaw: '', + suffixRaw: '' + }; + + function Block(_layout, _parent, config, _name) { + this._layout = _layout; + this._parent = _parent; + if (config == null) { + config = {}; + } + this._name = _name != null ? _name : ''; + this._config = object.append(self.defaultConfig, config); + this._closed = false; + this._wasOpenOnce = false; + this._active = false; + this._buffer = ''; + this._didSeparateBlock = false; + this._linePrependor = new this._config.linePrependor.fn(this._config.linePrependor.options); + this._lineAppendor = new this._config.lineAppendor.fn(this._config.lineAppendor.options); + this._blockPrependor = new this._config.blockPrependor.fn(this._config.blockPrependor.options); + this._blockAppendor = new this._config.blockAppendor.fn(this._config.blockAppendor.options); + } + + Block.prototype._activate = function(deactivateParent) { + if (deactivateParent == null) { + deactivateParent = true; + } + if (this._active) { + throw Error("This block is already active. This is probably a bug in RenderKid itself"); + } + if (this._closed) { + throw Error("This block is closed and cannot be activated. This is probably a bug in RenderKid itself"); + } + this._active = true; + this._layout._activeBlock = this; + if (deactivateParent) { + if (this._parent != null) { + this._parent._deactivate(false); + } + } + return this; + }; + + Block.prototype._deactivate = function(activateParent) { + if (activateParent == null) { + activateParent = true; + } + this._ensureActive(); + this._flushBuffer(); + if (activateParent) { + if (this._parent != null) { + this._parent._activate(false); + } + } + this._active = false; + return this; + }; + + Block.prototype._ensureActive = function() { + if (!this._wasOpenOnce) { + throw Error("This block has never been open before. This is probably a bug in RenderKid itself."); + } + if (!this._active) { + throw Error("This block is not active. This is probably a bug in RenderKid itself."); + } + if (this._closed) { + throw Error("This block is already closed. This is probably a bug in RenderKid itself."); + } + }; + + Block.prototype._open = function() { + if (this._wasOpenOnce) { + throw Error("Block._open() has been called twice. This is probably a RenderKid bug."); + } + this._wasOpenOnce = true; + if (this._parent != null) { + this._parent.write(this._whatToPrependToBlock()); + } + this._activate(); + return this; + }; + + Block.prototype.close = function() { + this._deactivate(); + this._closed = true; + if (this._parent != null) { + this._parent.write(this._whatToAppendToBlock()); + } + return this; + }; + + Block.prototype.isOpen = function() { + return this._wasOpenOnce && !this._closed; + }; + + Block.prototype.write = function(str) { + this._ensureActive(); + if (str === '') { + return; + } + str = String(str); + this._buffer += str; + return this; + }; + + Block.prototype.openBlock = function(config, name) { + var block; + this._ensureActive(); + block = new Block(this._layout, this, config, name); + block._open(); + return block; + }; + + Block.prototype._flushBuffer = function() { + var str; + if (this._buffer === '') { + return; + } + str = this._buffer; + this._buffer = ''; + this._writeInline(str); + }; + + Block.prototype._toPrependToLine = function() { + var fromParent; + fromParent = ''; + if (this._parent != null) { + fromParent = this._parent._toPrependToLine(); + } + return this._linePrependor.render(fromParent); + }; + + Block.prototype._toAppendToLine = function() { + var fromParent; + fromParent = ''; + if (this._parent != null) { + fromParent = this._parent._toAppendToLine(); + } + return this._lineAppendor.render(fromParent); + }; + + Block.prototype._whatToPrependToBlock = function() { + return this._blockPrependor.render(); + }; + + Block.prototype._whatToAppendToBlock = function() { + return this._blockAppendor.render(); + }; + + Block.prototype._writeInline = function(str) { + var i, j, k, l, lineBreaksToAppend, m, ref, ref1, ref2, remaining; + if (SpecialString(str).isOnlySpecialChars()) { + this._layout._append(str); + return; + } + remaining = str; + lineBreaksToAppend = 0; + if (m = remaining.match(/^\n+/)) { + for (i = j = 1, ref = m[0].length; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) { + this._writeLine(''); + } + remaining = remaining.substr(m[0].length, remaining.length); + } + if (m = remaining.match(/\n+$/)) { + lineBreaksToAppend = m[0].length; + remaining = remaining.substr(0, remaining.length - m[0].length); + } + while (remaining.length > 0) { + if (m = remaining.match(/^[^\n]+/)) { + this._writeLine(m[0]); + remaining = remaining.substr(m[0].length, remaining.length); + } else if (m = remaining.match(/^\n+/)) { + for (i = k = 1, ref1 = m[0].length; 1 <= ref1 ? k < ref1 : k > ref1; i = 1 <= ref1 ? ++k : --k) { + this._writeLine(''); + } + remaining = remaining.substr(m[0].length, remaining.length); + } + } + if (lineBreaksToAppend > 0) { + for (i = l = 1, ref2 = lineBreaksToAppend; 1 <= ref2 ? l <= ref2 : l >= ref2; i = 1 <= ref2 ? ++l : --l) { + this._writeLine(''); + } + } + }; + + Block.prototype._writeLine = function(str) { + var line, lineContent, lineContentLength, remaining, roomLeft, toAppend, toAppendLength, toPrepend, toPrependLength; + remaining = SpecialString(str); + while (true) { + toPrepend = this._toPrependToLine(); + toPrependLength = SpecialString(toPrepend).length; + toAppend = this._toAppendToLine(); + toAppendLength = SpecialString(toAppend).length; + roomLeft = this._layout._config.terminalWidth - (toPrependLength + toAppendLength); + lineContentLength = Math.min(this._config.width, roomLeft); + lineContent = remaining.cut(0, lineContentLength, true); + line = toPrepend + lineContent.str + toAppend; + this._layout._appendLine(line); + if (remaining.isEmpty()) { + break; + } + } + }; + + return Block; + +})(); |