(Unicode C) Implement Preprocessor #include with StringBuilder

Demonstrates how to implement #include with a Chilkat StringBuilder.

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#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkStringBuilderW sbSrc;
    const wchar_t *filePath;
    HCkStringBuilderW sbIncludeFile;

    // First build a string that has a preprocessor include
    sbSrc = CkStringBuilderW_Create();
    CkStringBuilderW_Append(sbSrc,L"1\r\n2\r\n3\r\n");
    CkStringBuilderW_Append(sbSrc,L"#include <qa_data/txt/helloWorld.txt>\r\n");
    CkStringBuilderW_Append(sbSrc,L"4\r\n5\r\n");

    wprintf(L"%s\n",CkStringBuilderW_getAsString(sbSrc));

    // sbSrc contains:
    // 	1
    // 	2
    // 	3
    // 	#include <qa_data/txt/helloWorld.txt>
    // 	4
    // 	5

    // The qa_data/txt/helloWorld.txt file contains "Hello World!"

    filePath = CkStringBuilderW_getAfterBetween(sbSrc,L"#include",L"<",L">");
    if (CkStringBuilderW_getLastMethodSuccess(sbSrc) != TRUE) {
        wprintf(L"No #include's found.\n");
        CkStringBuilderW_Dispose(sbSrc);
        return;
    }

    wprintf(L"filePath: %s\n",filePath);

    // Load the contents of the filePath
    sbIncludeFile = CkStringBuilderW_Create();
    CkStringBuilderW_LoadFile(sbIncludeFile,filePath,L"utf-8");

    // Replace the first occurrence of #include <...> line with the contents of the include file.
    CkStringBuilderW_ReplaceAllBetween(sbSrc,L"#include",L">",CkStringBuilderW_getAsString(sbIncludeFile),TRUE);

    wprintf(L"%s\n",CkStringBuilderW_getAsString(sbSrc));

    // sbSrce now contains:
    // 	1
    // 	2
    // 	3
    // 	Hello World!
    // 	4
    // 	5


    CkStringBuilderW_Dispose(sbSrc);
    CkStringBuilderW_Dispose(sbIncludeFile);

    }