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C

Implement Preprocessor #include with StringBuilder

Demonstrates how to implement #include with a Chilkat StringBuilder.

Chilkat C Downloads

C
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkStringBuilder sbSrc;
    const char *filePath;
    HCkStringBuilder sbIncludeFile;

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

    printf("%s\n",CkStringBuilder_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 = CkStringBuilder_getAfterBetween(sbSrc,"#include","<",">");
    if (CkStringBuilder_getLastMethodSuccess(sbSrc) != TRUE) {
        printf("No #include's found.\n");
        CkStringBuilder_Dispose(sbSrc);
        return;
    }

    printf("filePath: %s\n",filePath);

    //  Load the contents of the filePath
    sbIncludeFile = CkStringBuilder_Create();
    CkStringBuilder_LoadFile(sbIncludeFile,filePath,"utf-8");

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

    printf("%s\n",CkStringBuilder_getAsString(sbSrc));

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


    CkStringBuilder_Dispose(sbSrc);
    CkStringBuilder_Dispose(sbIncludeFile);

    }