github.com/geniusesgroup/libgo@v0.0.0-20220713101832-828057a9d3d4/syllab/decode-unsafe.go (about)

     1  /* For license and copyright information please see LEGAL file in repository */
     2  
     3  package syllab
     4  
     5  import "../convert"
     6  
     7  /*
     8  **************************************************************************************************
     9  *****************************************Fixed Size ARRAY*****************************************
    10  **************************************************************************************************
    11   */
    12  
    13  // Unsafe don't give any efficient in fixed size data! Use decode safe functions!
    14  
    15  /*
    16  **************************************************************************************************
    17  **************************************Dynamically size ARRAY**************************************
    18  **************************************************************************************************
    19   */
    20  
    21  // UnsafeGetString decodes string from the payload buffer in unsafe manner!
    22  func UnsafeGetString(p []byte, stackIndex uint32) string {
    23  	var add uint32 = GetUInt32(p, stackIndex)
    24  	var ln uint32 = GetUInt32(p, stackIndex+4)
    25  	return convert.UnsafeByteSliceToString(p[add : add+ln])
    26  }
    27  
    28  // UnsafeGetByteArray decodes byte slice from the payload buffer in unsafe manner!
    29  func UnsafeGetByteArray(p []byte, stackIndex uint32) []byte {
    30  	var add uint32 = GetUInt32(p, stackIndex)
    31  	var ln uint32 = GetUInt32(p, stackIndex+4)
    32  	return p[add : add+ln]
    33  }
    34  
    35  // UnsafeGetInt8Array decodes int8 slice from the payload buffer in unsafe manner!
    36  func UnsafeGetInt8Array(p []byte, stackIndex uint32) []int8 {
    37  	var add uint32 = GetUInt32(p, stackIndex)
    38  	var ln uint32 = GetUInt32(p, stackIndex+4)
    39  	return convert.UnsafeByteSliceToInt8Slice(p[add : add+ln])
    40  }
    41  
    42  // UnsafeGetBoolArray decodes bool array from the payload buffer!
    43  func UnsafeGetBoolArray(p []byte, stackIndex uint32) (slice []bool) {
    44  	var add uint32 = GetUInt32(p, stackIndex)
    45  	var ln uint32 = GetUInt32(p, stackIndex+4)
    46  	return convert.UnsafeByteSliceToBoolSlice(p[add : add+ln])
    47  }
    48  
    49  // UnsafeGetInt16Array decode Int16 array from the payload buffer
    50  func UnsafeGetInt16Array(p []byte, stackIndex uint32) (slice []int16) {
    51  	var add uint32 = GetUInt32(p, stackIndex)
    52  	var ln uint32 = GetUInt32(p, stackIndex+4)
    53  	return convert.UnsafeByteSliceToInt16Slice(p[add : add+(ln*2)])
    54  }
    55  
    56  // UnsafeGetUInt16Array decode UInt16 array from the payload buffer
    57  func UnsafeGetUInt16Array(p []byte, stackIndex uint32) (slice []uint16) {
    58  	var add uint32 = GetUInt32(p, stackIndex)
    59  	var ln uint32 = GetUInt32(p, stackIndex+4)
    60  	return convert.UnsafeByteSliceToUInt16Slice(p[add : add+(ln*2)])
    61  }
    62  
    63  // UnsafeGetInt32Array decode fixed size Int32 array from the payload buffer
    64  func UnsafeGetInt32Array(p []byte, stackIndex uint32) (slice []int32) {
    65  	var add uint32 = GetUInt32(p, stackIndex)
    66  	var ln uint32 = GetUInt32(p, stackIndex+4)
    67  	return convert.UnsafeByteSliceToInt32Slice(p[add : add+(ln*4)])
    68  }
    69  
    70  // UnsafeGetUInt32Array decode fixed size UInt32 array from the payload buffer
    71  func UnsafeGetUInt32Array(p []byte, stackIndex uint32) (slice []uint32) {
    72  	var add uint32 = GetUInt32(p, stackIndex)
    73  	var ln uint32 = GetUInt32(p, stackIndex+4)
    74  	return convert.UnsafeByteSliceToUInt32Slice(p[add : add+(ln*4)])
    75  }
    76  
    77  // UnsafeGetInt64Array decode fixed size Int64 array from the payload buffer
    78  func UnsafeGetInt64Array(p []byte, stackIndex uint32) (slice []int64) {
    79  	var add uint32 = GetUInt32(p, stackIndex)
    80  	var ln uint32 = GetUInt32(p, stackIndex+4)
    81  	return convert.UnsafeByteSliceToInt64Slice(p[add : add+(ln*8)])
    82  }
    83  
    84  // UnsafeGetUInt64Array decode fixed size UInt64 array from the payload buffer
    85  func UnsafeGetUInt64Array(p []byte, stackIndex uint32) (slice []uint64) {
    86  	var add uint32 = GetUInt32(p, stackIndex)
    87  	var ln uint32 = GetUInt32(p, stackIndex+4)
    88  	return convert.UnsafeByteSliceToUInt64Slice(p[add : add+(ln*8)])
    89  }
    90  
    91  // UnsafeGetFloat32Array decode fixed size Float32 array from the payload buffer
    92  func UnsafeGetFloat32Array(p []byte, stackIndex uint32) (slice []float32) {
    93  	var add uint32 = GetUInt32(p, stackIndex)
    94  	var ln uint32 = GetUInt32(p, stackIndex+4)
    95  	return convert.UnsafeByteSliceToFloat32Slice(p[add : add+(ln*4)])
    96  }
    97  
    98  // UnsafeGetFloat64Array decode fixed size Float64 array from the payload buffer
    99  func UnsafeGetFloat64Array(p []byte, stackIndex uint32) (slice []float64) {
   100  	var add uint32 = GetUInt32(p, stackIndex)
   101  	var ln uint32 = GetUInt32(p, stackIndex+4)
   102  	return convert.UnsafeByteSliceToFloat64Slice(p[add : add+(ln*8)])
   103  }
   104  
   105  // UnsafeGetComplex64Array decode fixed size Complex64 array from the payload buffer
   106  func UnsafeGetComplex64Array(p []byte, stackIndex uint32) (slice []complex64) {
   107  	var add uint32 = GetUInt32(p, stackIndex)
   108  	var ln uint32 = GetUInt32(p, stackIndex+4)
   109  	return convert.UnsafeByteSliceToComplex64Slice(p[add : add+(ln*8)])
   110  }
   111  
   112  // UnsafeGetComplex128Array decode fixed size Complex128 array from the payload buffer
   113  func UnsafeGetComplex128Array(p []byte, stackIndex uint32) (slice []complex128) {
   114  	var add uint32 = GetUInt32(p, stackIndex)
   115  	var ln uint32 = GetUInt32(p, stackIndex+4)
   116  	return convert.UnsafeByteSliceToComplex128Slice(p[add : add+(ln*16)])
   117  }
   118  
   119  /*
   120  **************************************************************************************************
   121  *******************Dynamically size ARRAY inside other Dynamically size Array*******************
   122  **************************************************************************************************
   123   */
   124  
   125  // UnsafeGetStringArray encode string array to the payload buffer!
   126  func UnsafeGetStringArray(p []byte, stackIndex uint32) (slice []string) {
   127  	var add uint32 = GetUInt32(p, stackIndex)
   128  	var ln uint32 = GetUInt32(p, stackIndex+4)
   129  	slice = make([]string, ln)
   130  
   131  	for i := 0; i < int(ln); i++ {
   132  		var eachAdd uint32 = GetUInt32(p, add)
   133  		var eachLn uint32 = GetUInt32(p, add+4)
   134  		slice[i] = convert.UnsafeByteSliceToString(p[eachAdd : eachAdd+eachLn])
   135  		add += 8
   136  	}
   137  	return
   138  }