8000 Merge pull request #67 from mhseiden/master · adon-at-work/bytebuffer.js@b92dcfb · GitHub
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Merge pull request protobufjs#67 from mhseiden/master
protobufjs#66 - BitSet support
2 parents 5716fb1 + cd6011c commit b92dcfb

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‎dist/bytebuffer-dataview.js

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‎dist/bytebuffer-dataview.min.js

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‎dist/bytebuffer-dataview.min.js.gz

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‎dist/bytebuffer-dataview.min.map

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‎dist/bytebuffer-node.js

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‎dist/bytebuffer.js

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‎dist/bytebuffer.min.js

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‎dist/bytebuffer.min.js.gz

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‎dist/bytebuffer.min.map

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‎src/types/bytes/bitset.js

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/**
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* Writes the array as a bitset.
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* @param {Array<boolean>} value Array of booleans to write
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* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `length` if omitted.
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* @returns {!ByteBuffer}
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* @expose
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*/
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ByteBufferPrototype.writeBitSet = function(value, offset) {
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//? RELATIVE()
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if (!this.noAssert) {
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if (!(value instanceof Array))
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throw TypeError("Illegal BitSet: Not an array");
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//? ASSERT_OFFSET();
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}
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var start = offset,
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bits = value.length,
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bytes = (bits >> 3),
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bit = 0,
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k;
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offset += this.writeVarint32(bits,offset);
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while(bytes--) {
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k = (!!value[bit++] & 1) |
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((!!value[bit++] & 1) << 1) |
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((!!value[bit++] & 1) << 2) |
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((!!value[bit++] & 1) << 3) |
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((!!value[bit++] & 1) << 4) |
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((!!value[bit++] & 1) << 5) |
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((!!value[bit++] & 1) << 6) |
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((!!value[bit++] & 1) << 7);
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this.writeByte(k,offset++);
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}
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if(bit < bits) {
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var m = 0; k = 0;
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while(bit < bits) k = k | ((!!value[bit++] & 1) << (m++));
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this.writeByte(k,offset++);
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}
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if (relative) {
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this.offset = offset;
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return this;
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}
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return offset - start;
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}
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/**
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* Reads a BitSet as an array of booleans.
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* @param {number=} offset Offset to read from. Will use and increase {@link ByteBuffer#offset} by `length` if omitted.
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* @returns {Array<boolean>
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* @expose
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*/
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ByteBufferPrototype.readBitSet = function(offset) {
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//? RELATIVE()
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var ret = this.readVarint32(offset),
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bits = ret.value,
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bytes = (bits >> 3),
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bit = 0,
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value = [],
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k;
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offset += ret.length;
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while(bytes--) {
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k = this.readByte(offset++);
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value[bit++] = !!(k & 0x01);
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value[bit++] = !!(k & 0x02);
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value[bit++] = !!(k & 0x04);
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value[bit++] = !!(k & 0x08);
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value[bit++] = !!(k & 0x10);
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value[bit++] = !!(k & 0x20);
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value[bit++] = !!(k & 0x40);
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value[bit++] = !!(k & 0x80);
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}
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if(bit < bits) {
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var m = 0;
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k = this.readByte(offset++);
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while(bit < bits) value[bit++] = !!((k >> (m++)) & 1);
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}
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if (relative) {
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this.offset = offset;
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}
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return value;
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}

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