UNPKG

7.61 kBSource Map (JSON)View Raw
1{"version":3,"file":"varbinary.js","names":["MAX","UNKNOWN_PLP_LEN","Buffer","from","PLP_TERMINATOR","NULL_LENGTH","MAX_NULL_LENGTH","VarBinary","id","type","name","maximumLength","declaration","parameter","value","length","output","resolveLength","generateTypeInfo","buffer","alloc","writeUInt8","writeUInt16LE","generateParameterLength","options","isBuffer","toString","byteLength","generateParameterData","writeUInt32LE","validate","TypeError","_default","exports","default","module"],"sources":["../../src/data-types/varbinary.ts"],"sourcesContent":["import { type DataType } from '../data-type';\n\nconst MAX = (1 << 16) - 1;\nconst UNKNOWN_PLP_LEN = Buffer.from([0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff]);\nconst PLP_TERMINATOR = Buffer.from([0x00, 0x00, 0x00, 0x00]);\n\nconst NULL_LENGTH = Buffer.from([0xFF, 0xFF]);\nconst MAX_NULL_LENGTH = Buffer.from([0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]);\n\nconst VarBinary: { maximumLength: number } & DataType = {\n id: 0xA5,\n type: 'BIGVARBIN',\n name: 'VarBinary',\n maximumLength: 8000,\n\n declaration: function(parameter) {\n const value = parameter.value as any; // Temporary solution. Remove 'any' later.\n let length;\n if (parameter.length) {\n length = parameter.length;\n } else if (value != null) {\n length = value.length || 1;\n } else if (value === null && !parameter.output) {\n length = 1;\n } else {\n length = this.maximumLength;\n }\n\n if (length <= this.maximumLength) {\n return 'varbinary(' + length + ')';\n } else {\n return 'varbinary(max)';\n }\n },\n\n resolveLength: function(parameter) {\n const value = parameter.value as any; // Temporary solution. Remove 'any' later.\n if (parameter.length != null) {\n return parameter.length;\n } else if (value != null) {\n return value.length;\n } else {\n return this.maximumLength;\n }\n },\n\n generateTypeInfo: function(parameter) {\n const buffer = Buffer.alloc(3);\n buffer.writeUInt8(this.id, 0);\n\n if (parameter.length! <= this.maximumLength) {\n buffer.writeUInt16LE(parameter.length!, 1);\n } else {\n buffer.writeUInt16LE(MAX, 1);\n }\n\n return buffer;\n },\n\n generateParameterLength(parameter, options) {\n if (parameter.value == null) {\n if (parameter.length! <= this.maximumLength) {\n return NULL_LENGTH;\n } else {\n return MAX_NULL_LENGTH;\n }\n }\n\n let value = parameter.value;\n if (!Buffer.isBuffer(value)) {\n value = value.toString();\n }\n\n const length = Buffer.byteLength(value, 'ucs2');\n\n if (parameter.length! <= this.maximumLength) {\n const buffer = Buffer.alloc(2);\n buffer.writeUInt16LE(length, 0);\n return buffer;\n } else { // writePLPBody\n return UNKNOWN_PLP_LEN;\n }\n },\n\n * generateParameterData(parameter, options) {\n if (parameter.value == null) {\n return;\n }\n\n let value = parameter.value;\n\n if (parameter.length! 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