/** @file * File splitter: splits soapC.cpp into manageable pieces. It is somewhat * intelligent and avoids splitting inside functions or similar places. */ /* * Copyright (C) 2009 Sun Microsystems, Inc. * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 USA or visit http://www.sun.com if you need * additional information or have any questions. */ #include #include #include #include #include int main(int argc, char *argv[]) { int rc = 0; FILE *pFileIn = NULL; FILE *pFileOut = NULL; char *pBuffer = NULL; do { if (argc != 4) { fprintf(stderr, "split-soapC: Must be started with exactly three arguments,\n" "1) the input file, 2) the directory where to put the output files and\n" "3) the number chunks to create.\n"); rc = 2; break; } char *pEnd = NULL; unsigned long cChunk = strtoul(argv[3], &pEnd, 0); if (cChunk == ULONG_MAX || cChunk == 0 || !argv[3] || *pEnd) { fprintf(stderr, "split-soapC: Given argument \"%s\" is not a valid chunk count.\n", argv[3]); rc = 2; break; } pFileIn = fopen(argv[1], "rb"); if (!pFileIn) { fprintf(stderr, "split-soapC: Cannot open file \"%s\" for reading.\n", argv[1]); rc = 2; break; } fseek(pFileIn, 0, SEEK_END); long cbFileIn = ftell(pFileIn); rewind(pFileIn); if (!(pBuffer = (char*)malloc(cbFileIn + 1))) { fprintf(stderr, "split-soapC: Failed to allocate %ld bytes.\n", cbFileIn); rc = 2; break; } if (fread(pBuffer, 1, cbFileIn, pFileIn) != cbFileIn) { fprintf(stderr, "split-soapC: Failed to read %ld bytes from input file.\n", cbFileIn); rc = 2; break; } pBuffer[cbFileIn] = '\0'; const char *pLine = pBuffer; unsigned long cbChunk = cbFileIn / cChunk; unsigned long cFiles = 0; unsigned long uLimit = 0; unsigned long cbWritten = 0; unsigned long cIfNesting = 0; unsigned long cBraceNesting = 0; unsigned long cLinesSinceStaticMap = ~0UL / 2; bool fJustZero = false; do { if (!pFileOut) { /* construct output filename */ char szFilename[1024]; sprintf(szFilename, "%s/soapC-%u.cpp", argv[2], ++cFiles); szFilename[sizeof(szFilename)-1] = '\0'; printf("info: soapC-%u.cpp\n", cFiles); /* create output file */ if (!(pFileOut = fopen(szFilename, "wb"))) { fprintf(stderr, "split-soapC: Failed to open file \"%s\" for writing\n", szFilename); rc = 2; break; } if (cFiles > 1) fprintf(pFileOut, "#include \"soapH.h\"%s\n", #ifdef RT_OS_WINDOWS "\r" #else /* !RT_OS_WINDOWS */ "" #endif /* !RT_OS_WINDOWS */ ); uLimit += cbChunk; cLinesSinceStaticMap = ~0UL / 2; } /* find begin of next line and print current line */ const char *pNextLine = strchr(pLine, '\n'); size_t cbLine; if (pNextLine) { pNextLine++; cbLine = pNextLine - pLine; } else cbLine = strlen(pLine); if (fwrite(pLine, 1, cbLine, pFileOut) != cbLine) { fprintf(stderr, "split-soapC: Failed to write to output file\n"); rc = 2; break; } cbWritten += cbLine; /* process nesting depth information */ if (!strncmp(pLine, "#if", 3)) cIfNesting++; else if (!strncmp(pLine, "#endif", 6)) { cIfNesting--; if (!cBraceNesting && !cIfNesting) fJustZero = true; } else { for (const char *p = pLine; p < pLine + cbLine; p++) { if (*p == '{') cBraceNesting++; else if (*p == '}') { cBraceNesting--; if (!cBraceNesting && !cIfNesting) fJustZero = true; } } } /* look for static variables used for enum conversion. */ if (!strncmp(pLine, "static const struct soap_code_map", sizeof("static const struct soap_code_map") - 1)) cLinesSinceStaticMap = 0; else cLinesSinceStaticMap++; /* start a new output file if necessary and possible */ if ( cbWritten >= uLimit && cIfNesting == 0 && fJustZero && cFiles < cChunk && cLinesSinceStaticMap > 150 /*hack!*/) { fclose(pFileOut); pFileOut = NULL; } if (rc) break; fJustZero = false; pLine = pNextLine; } while (pLine); printf("split-soapC: Created %lu files.\n", cFiles); } while (0); if (pBuffer) free(pBuffer); if (pFileIn) fclose(pFileIn); if (pFileOut) fclose(pFileOut); return rc; }