36 lines
816 B
JavaScript
36 lines
816 B
JavaScript
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function StringBuffer(opt_a1, var_args) {
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if (opt_a1 != null) {
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this.append.apply(this, arguments);
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}
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}
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StringBuffer.prototype.buffer_ = '';
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StringBuffer.prototype.set = function (s) {
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this.buffer_ = '' + s;
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}
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StringBuffer.prototype.append = function (a1, opt_a2, var_args) {
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// Use a1 directly to avoid arguments instantiation for single-arg case.
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this.buffer_ += String(a1);
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if (opt_a2 != null) { // second argument is undefined (null == undefined)
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for (let i = 1; i < arguments.length; i++) {
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this.buffer_ += arguments[i];
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}
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}
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return this;
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}
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StringBuffer.prototype.clear = function() {
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this.buffer_ = '';
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}
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StringBuffer.prototype.getLength = function() {
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return this.buffer_.length;
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}
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StringBuffer.prototype.toString = function() {
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return this.buffer_;
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} |