mirror of
https://github.com/QB64-Phoenix-Edition/QB64pe.git
synced 2024-09-08 11:10:16 +00:00
229 lines
6.8 KiB
QBasic
229 lines
6.8 KiB
QBasic
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'
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' Duplicates the contents of one file into another
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'
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' Returns: 0 on success, 1 on error
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FUNCTION CopyFile& (sourceFile$, destFile$)
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DIM sourceFileNo, destFileNo
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DIM fileLength AS _INTEGER64
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E = 0
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sourceFileNo = FREEFILE
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OPEN sourceFile$ FOR BINARY AS #sourceFileNo
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IF E = 1 THEN GOTO errorCleanup
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fileLength = LOF(sourceFileNo)
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destFileNo = FREEFILE
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OPEN destFile$ FOR OUTPUT AS #destFileNo: CLOSE #destFileNo 'create and blank any existing file with the dest name.
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OPEN destFile$ FOR BINARY AS #destFileNo
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IF E = 1 THEN GOTO errorCleanup
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' Read the file in one go
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buffer$ = SPACE$(fileLength)
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GET #sourceFileNo, , buffer$
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PUT #destFileNo, , buffer$
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errorCleanup:
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IF sourceFileNo <> 0 THEN CLOSE #sourceFileNo
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IF destFileNo <> 0 THEN CLOSE #destFileNo
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CopyFile& = E
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END FUNCTION
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'
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' Convert a file into an C-Array incl. read function and append it
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' to the file 'internal\temp\embedded.cpp'
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'
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' Inputs: sourcefile spec, unique handle (case sensitive)
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' Return: 0 = normal embed, 1 = packed embed (DEPENDENCY_ZLIB required)
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FUNCTION ConvertFileToCArray% (file$, handle$)
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'--- read file contents ---
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sff% = FREEFILE
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OPEN "B", #sff%, file$
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filedata$ = SPACE$(LOF(sff%))
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GET #sff%, , filedata$
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CLOSE #sff%
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'--- try to compress ---
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compdata$ = _DEFLATE$(filedata$)
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IF LEN(compdata$) < LEN(filedata$) THEN
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tmpfile$ = tmpdir$ + "embed.bin"
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OPEN "O", #sff%, tmpfile$: CLOSE #sff%
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OPEN "B", #sff%, tmpfile$: PUT #sff%, , compdata$: CLOSE #sff%
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packed% = 1
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OPEN "B", #sff%, tmpfile$
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ELSE
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packed% = 0
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OPEN "B", #sff%, file$
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END IF
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'--- init variables ---
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fl& = LOF(sff%)
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cntL& = INT(fl& / 32)
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cntV& = INT(cntL& / 8180)
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cntB& = (fl& - (cntL& * 32))
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'--- create C-Array ---
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dff% = FREEFILE
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OPEN "A", #dff%, tmpdir$ + "embedded.cpp"
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'--- process LONGs ---
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tmpI$ = SPACE$(32)
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FOR vc& = 0 TO cntV&
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IF vc& = cntV& THEN numL& = (cntL& MOD 8180): ELSE numL& = 8180
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PRINT #dff%, "static const uint32_t "; handle$; "L"; LTRIM$(STR$(vc&)); "[] = {"
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PRINT #dff%, " "; LTRIM$(STR$(numL& * 8)); ","
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FOR z& = 1 TO numL&
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GET #sff%, , tmpI$: offI% = 1
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tmpO$ = " " + STRING$(88, ","): offO% = 5
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DO
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tmpL& = CVL(MID$(tmpI$, offI%, 4)): offI% = offI% + 4
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MID$(tmpO$, offO%, 10) = "0x" + RIGHT$("00000000" + HEX$(tmpL&), 8)
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offO% = offO% + 11
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LOOP UNTIL offO% > 92
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IF z& < numL& THEN PRINT #dff%, tmpO$: ELSE PRINT #dff%, LEFT$(tmpO$, 91)
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NEXT z&
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PRINT #dff%, "};"
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PRINT #dff%, ""
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NEXT vc&
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'--- process remaining BYTEs ---
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IF cntB& > 0 THEN
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PRINT #dff%, "static const uint8_t "; handle$; "B[] = {"
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PRINT #dff%, " "; LTRIM$(STR$(cntB&)); ","
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PRINT #dff%, " ";
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FOR x% = 1 TO cntB&
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GET #sff%, , tmpB%%
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PRINT #dff%, "0x" + RIGHT$("00" + HEX$(tmpB%%), 2);
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IF x% <> 16 THEN
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IF x% <> cntB& THEN PRINT #dff%, ",";
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ELSE
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IF x% <> cntB& THEN
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PRINT #dff%, ","
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PRINT #dff%, " ";
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END IF
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END IF
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NEXT x%
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PRINT #dff%, ""
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PRINT #dff%, "};"
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PRINT #dff%, ""
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END IF
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'--- make a read function ---
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PRINT #dff%, "qbs *GetArrayData_"; handle$; "(qbs *handle)"
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PRINT #dff%, "{"
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PRINT #dff%, " if (!qbs_equal(handle, qbs_new_txt("; CHR$(34); handle$; CHR$(34); "))) {return qbs_new_txt("; MKI$(&H2222); ");}"
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PRINT #dff%, ""
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PRINT #dff%, " qbs *data = qbs_new("; LTRIM$(STR$(fl&)); ", 1);"
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PRINT #dff%, " void *buff = data -> chr;"
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PRINT #dff%, ""
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FOR vc& = 0 TO cntV&
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PRINT #dff%, " memcpy(buff, &"; handle$; "L"; LTRIM$(STR$(vc&)); "[1], "; handle$; "L"; LTRIM$(STR$(vc&)); "[0] << 2);"
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IF vc& < cntV& OR cntB& > 0 THEN
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PRINT #dff%, " buff += ("; handle$; "L"; LTRIM$(STR$(vc&)); "[0] << 2);"
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END IF
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NEXT vc&
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IF cntB& > 0 THEN
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PRINT #dff%, " memcpy(buff, &"; handle$; "B[1], "; handle$; "B[0]);"
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END IF
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PRINT #dff%, ""
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IF packed% THEN
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PRINT #dff%, " return func__inflate(data, "; LTRIM$(STR$(LEN(filedata$))); ", 1);"
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ELSE
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PRINT #dff%, " return data;"
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END IF
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PRINT #dff%, "}"
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PRINT #dff%, ""
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'--- ending ---
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CLOSE #dff%
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CLOSE #sff%
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ConvertFileToCArray% = packed%
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END FUNCTION
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'
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' Splits the filename from its path, and returns the path
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'
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' Returns: The path, or empty if no path
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FUNCTION getfilepath$ (f$)
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FOR i = LEN(f$) TO 1 STEP -1
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a$ = MID$(f$, i, 1)
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IF a$ = "/" OR a$ = "\" THEN
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getfilepath$ = LEFT$(f$, i)
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EXIT FUNCTION
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END IF
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NEXT
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getfilepath$ = ""
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END FUNCTION
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'
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' Checks if a filename has an extension on the end
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'
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' Returns: True if provided filename has an extension
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FUNCTION FileHasExtension (f$)
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FOR i = LEN(f$) TO 1 STEP -1
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a = ASC(f$, i)
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IF a = 47 OR a = 92 THEN EXIT FOR
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IF a = 46 THEN FileHasExtension = -1: EXIT FUNCTION
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NEXT
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END FUNCTION
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'
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' Strips the extension off of a filename
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'
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' Returns: Provided filename without extension on the end
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FUNCTION RemoveFileExtension$ (f$)
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FOR i = LEN(f$) TO 1 STEP -1
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a = ASC(f$, i)
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IF a = 47 OR a = 92 THEN EXIT FOR
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IF a = 46 THEN RemoveFileExtension$ = LEFT$(f$, i - 1): EXIT FUNCTION
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NEXT
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RemoveFileExtension$ = f$
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END FUNCTION
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'
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' Returns the extension on the end of a file name
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'
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' Returns "" if there is no extension
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'
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FUNCTION GetFileExtension$ (f$)
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FOR i = LEN(f$) TO 1 STEP -1
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a = ASC(f$, i)
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IF a = 47 OR a = 92 THEN EXIT FOR
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IF a = 46 THEN GetFileExtension$ = MID$(f$, i + 1): EXIT FUNCTION
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NEXT
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GetFileExtension$ = ""
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END FUNCTION
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'
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' Fixes the provided filename and path to use the correct path separator
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'
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SUB PATH_SLASH_CORRECT (a$)
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IF os$ = "WIN" THEN
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FOR x = 1 TO LEN(a$)
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IF ASC(a$, x) = 47 THEN ASC(a$, x) = 92
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NEXT
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ELSE
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FOR x = 1 TO LEN(a$)
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IF ASC(a$, x) = 92 THEN ASC(a$, x) = 47
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NEXT
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END IF
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END SUB
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' Return a pathname where all "\" are correctly escaped
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FUNCTION GetEscapedPath$ (path_name AS STRING)
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DIM buf AS STRING, z AS _UNSIGNED LONG, a AS _UNSIGNED _BYTE
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FOR z = 1 TO LEN(path_name)
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a = ASC(path_name, z)
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buf = buf + CHR$(a)
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IF a = 92 THEN buf = buf + "\"
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NEXT
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GetEscapedPath = buf
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END FUNCTION
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' Adds a trailing \ or / to a directory name if needed
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FUNCTION FixDirectoryName$ (dir_name AS STRING)
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IF LEN(dir_name) > 0 AND RIGHT$(dir_name, 1) <> pathsep$ THEN
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FixDirectoryName = dir_name + pathsep$
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ELSE
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FixDirectoryName = dir_name
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END IF
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END FUNCTION
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