(PureBasic) StringBuilder to Bytes (in BinData)

Demonstrates converting a string to bytes of a particular character encoding.

Note: This example requires Chilkat v9.5.0.64 or later.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkBinData.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"

Procedure ChilkatExample()

    ; This initial step gets string data to be used in this example from a live URL.
    ; It assumes Chilkat HTTP API to have been previously unlocked.
    ; See Global Unlock Sample for sample code.

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttp::setCkVerboseLogging(http, 1)
    sbJson.i = CkStringBuilder::ckCreate()
    If sbJson.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i = CkHttp::ckQuickGetSb(http,"https://www.chilkatsoft.com/exampleData/greekAlphabet.json",sbJson)
    If Not success
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkStringBuilder::ckDispose(sbJson)
        ProcedureReturn
    EndIf

    sbGreek.i = CkStringBuilder::ckCreate()
    If sbGreek.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoadSb(json,sbJson)

    ; The JSON contains this:

    ; 	{ 
    ; 	  "greekAlphabet": "                                                "
    ; 	} 

    greekAlphabet.s = CkJsonObject::ckStringOf(json,"greekAlphabet")
    CkStringBuilder::ckAppend(sbGreek,greekAlphabet)

    ; Append the Windows-1253 represention of the string..
    ; In this encoding, each Greek char is one byte per char.
    binWindows1253.i = CkBinData::ckCreate()
    If binWindows1253.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkBinData::ckAppendSb(binWindows1253,sbGreek,"windows-1253")
    ; Save to a Windows-1253 text file:
    CkBinData::ckWriteFile(binWindows1253,"qa_output/greek_win1253.txt")

    ; Show the bytes in the quoted-printable format so we can easily see the Windows-1253 byte values.
    Debug CkBinData::ckGetEncoded(binWindows1253,"qp")
    Debug "--------------------------------"

    ; The result is shown here:
    ; 	=C1 =E1 =C2 =E2 =C3 =E3 =C4 =E4 =C5 =E5 =C6 =E6 =C7 =E7 =C8 =E8 =C9 =E9 =CA=
    ; 	 =EA =CB =EB =CC =EC =CD =ED =CE =EE =CF =EF =D0 =F0 =D1 =F1 =D3 =F3 =F2 =
    ; 	=D4 =F4 =D5 =F5 =D6 =F6 =D7 =F7 =D8 =F8 =D9 =F9

    ; Append the utf-8 represention of the string..
    binUtf8.i = CkBinData::ckCreate()
    If binUtf8.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkBinData::ckAppendBom(binUtf8,"utf-8")
    CkBinData::ckAppendSb(binUtf8,sbGreek,"utf-8")
    ; Save to a utf-8 text file:
    CkBinData::ckWriteFile(binUtf8,"qa_output/greek_utf8.txt")
    ; Show the bytes in the quoted-printable format so we can easily see the utf-8 char representations.
    Debug CkBinData::ckGetEncoded(binUtf8,"qp")

    Debug "--------------------------------"

    ; These are the utf-8 bytes shown in quoted-printable encoding:
    ; 	=EF=BB=BF=CE=91 =CE=B1 =CE=92 =CE=B2 =CE=93 =CE=B3 =CE=94 =CE=B4 =CE=95 =CE=
    ; 	=B5 =CE=96 =CE=B6 =CE=97 =CE=B7 =CE=98 =CE=B8 =CE=99 =CE=B9 =CE=9A =CE=BA =
    ; 	=CE=9B =CE=BB =CE=9C =CE=BC =CE=9D =CE=BD =CE=9E =CE=BE =CE=9F =CE=BF =CE=
    ; 	=A0 =CF=80 =CE=A1 =CF=81 =CE=A3 =CF=83 =CF=82 =CE=A4 =CF=84 =CE=A5 =CF=85 =
    ; 	=CE=A6 =CF=86 =CE=A7 =CF=87 =CE=A8 =CF=88 =CE=A9 =CF=89

    ; Append the utf-16 (little endian) represention of the string..
    binUtf16.i = CkBinData::ckCreate()
    If binUtf16.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkBinData::ckAppendBom(binUtf16,"utf-16")
    CkBinData::ckAppendSb(binUtf16,sbGreek,"utf-16")
    ; Save to a utf-16 text file:
    CkBinData::ckWriteFile(binUtf16,"qa_output/greek_utf16.txt")
    Debug CkBinData::ckGetEncoded(binUtf16,"qp")

    ; These are the utf-16 bytes shown in quoted-printable encoding:
    ; 	=FF=FE=91=03 =00=B1=03 =00=92=03 =00=B2=03 =00=93=03 =00=B3=03 =00=94=03 =
    ; 	=00=B4=03 =00=95=03 =00=B5=03 =00=96=03 =00=B6=03 =00=97=03 =00=B7=03 =00=
    ; 	=98=03 =00=B8=03 =00=99=03 =00=B9=03 =00=9A=03 =00=BA=03 =00=9B=03 =00=BB=
    ; 	=03 =00=9C=03 =00=BC=03 =00=9D=03 =00=BD=03 =00=9E=03 =00=BE=03 =00=9F=03 =
    ; 	=00=BF=03 =00=A0=03 =00=C0=03 =00=A1=03 =00=C1=03 =00=A3=03 =00=C3=03 =00=
    ; 	=C2=03 =00=A4=03 =00=C4=03 =00=A5=03 =00=C5=03 =00=A6=03 =00=C6=03 =00=A7=
    ; 	=03 =00=C7=03 =00=A8=03 =00=C8=03 =00=A9=03 =00=C9=03


    CkHttp::ckDispose(http)
    CkStringBuilder::ckDispose(sbJson)
    CkStringBuilder::ckDispose(sbGreek)
    CkJsonObject::ckDispose(json)
    CkBinData::ckDispose(binWindows1253)
    CkBinData::ckDispose(binUtf8)
    CkBinData::ckDispose(binUtf16)


    ProcedureReturn
EndProcedure