diff options
Diffstat (limited to 'source4/lib/appweb/ejs-2.0/ejs/system/UNIX/ejsFileSystem.c')
| -rwxr-xr-x | source4/lib/appweb/ejs-2.0/ejs/system/UNIX/ejsFileSystem.c | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/source4/lib/appweb/ejs-2.0/ejs/system/UNIX/ejsFileSystem.c b/source4/lib/appweb/ejs-2.0/ejs/system/UNIX/ejsFileSystem.c new file mode 100755 index 0000000000..7b39c16e4d --- /dev/null +++ b/source4/lib/appweb/ejs-2.0/ejs/system/UNIX/ejsFileSystem.c @@ -0,0 +1,454 @@ +/* + * @file ejsFileSystem.c + * @brief FileSystem class for the EJ System Object Model + * MOB -- this is almost the same as for Windows. Should common up. + */ +/********************************** Copyright *********************************/ +/* + * Copyright (c) Mbedthis Software LLC, 2003-2006. All Rights Reserved. + */ +/********************************** Includes **********************************/ + +#include "ejs.h" +#include <dirent.h> + +/******************************************************************************/ +/************************************ Methods *********************************/ +/******************************************************************************/ +/* + * function void access(string path); + * MOB - API insufficient. Access for read or write? + */ + +static int accessProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + int rc; + + if (argc != 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: access(path)"); + return -1; + } + + rc = access(argv[0]->string, 04); + + ejsSetReturnValueToBoolean(ejs, (rc == 0) ? 1 : 0); + return 0; +} + +/******************************************************************************/ +/* + * function void mkdir(string path); + */ + +static int mkdirProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + if (argc != 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: mkdir(path)"); + return -1; + } + + if (mprMakeDirPath(ejs, argv[0]->string) < 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant create directory"); + return -1; + } + return 0; +} + +/******************************************************************************/ +/* + * function void rmdir(string path); + */ + +static int rmdirProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + int rc; + + if (argc != 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: mkdir(path)"); + return -1; + } + + rc = mprDeleteDir(ejs, argv[0]->string); + + if (rc < 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant remove directory"); + return -1; + } + return 0; +} + +/******************************************************************************/ +/* + * function void dirList(string path, [bool enumDirs]); + * MOB -- need pattern to match (what about "." and ".." and ".*" + */ + +static int dirListProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + DIR *dir; + struct dirent *dirent; + char path[MPR_MAX_FNAME]; + EjsVar *array, *vp; + uchar enumDirs; + + if (argc < 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: dirList(path)"); + return -1; + } + if (argc == 2) { + enumDirs = ejsVarToBoolean(argv[1]); + } else { + enumDirs = 0; + } + array = ejsCreateArray(ejs, 0); + ejsMakeObjPermanent(array, 1); + + /* + * First collect the files + */ + mprSprintf(path, sizeof(path), "%s/*.*", argv[0]->string); + + dir = opendir(path); + if (dir == 0) { + ejsError(ejs, EJS_ARG_ERROR, "Can't enumerate dirList(path)"); + return -1; + } + + while ((dirent = readdir(dir)) != 0) { + if (dirent->d_name[0] == '.') { + continue; + } + if (!enumDirs || (dirent->d_type & DT_DIR)) { + mprSprintf(path, sizeof(path), "%s/%s", argv[0]->string, + dirent->d_name); + vp = ejsCreateStringVar(ejs, path); + ejsAddArrayElt(ejs, array, vp, EJS_SHALLOW_COPY); + ejsFreeVar(ejs, vp); + } + } + + closedir(dir); + + ejsSetReturnValue(ejs, array); + ejsMakeObjPermanent(array, 0); + + /* + * Can free now as the return value holds the reference + */ + ejsFreeVar(ejs, array); + + return 0; +} + +/******************************************************************************/ +/* + * function void getFreeSpace(); + */ + +static int getFreeSpaceProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ +#if UNUSED + MprApp *app; + uint space; + + app = mprGetApp(ejs); + space = IFILEMGR_GetFreeSpace(app->fileMgr, 0); + ejsSetReturnValueToInteger(ejs, space); +#endif + + return 0; +} + +/******************************************************************************/ +/* + * function void writeFile(string path, var data); + */ + +static int writeFileProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + MprFile *file; + char *data, *buf; + int bytes, length, rc; + + if (argc != 2 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: writeFile(path, var)"); + return -1; + } + + if (ejsVarIsString(argv[1])) { + data = argv[1]->string; + length = argv[1]->length; + buf = 0; + } else { + buf = data = ejsVarToString(ejs, argv[1]); + length = strlen(data); + } + + /* + * Create fails if already present + */ + rc = mprDelete(ejs, argv[0]->string); + file = mprOpen(ejs, argv[0]->string, O_CREAT | O_WRONLY | O_BINARY, 0664); + if (file == 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant create %s", argv[0]->string); + mprFree(buf); + return -1; + } + + rc = 0; + bytes = mprWrite(file, data, length); + if (bytes != length) { + ejsError(ejs, EJS_IO_ERROR, "Write error to %s", argv[1]->string); + rc = -1; + } + + mprClose(file); + + mprFree(buf); + return rc; +} + +/******************************************************************************/ +/* + * function string readFile(string path); + */ + +static int readFileProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + MprApp *app; + MprFile *file; + MprBuf *buf; + char *data; + int bytes, rc; + + if (argc != 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: readFile(path)"); + return -1; + } + buf = mprCreateBuf(ejs, MPR_BUF_INCR, MPR_MAX_BUF); + if (buf == 0) { + ejsMemoryError(ejs); + return -1; + } + + data = mprAlloc(ejs, MPR_BUFSIZE); + if (buf == 0) { + mprFree(buf); + ejsMemoryError(ejs); + return -1; + } + + app = mprGetApp(ejs); + file = mprOpen(ejs, argv[0]->string, O_RDONLY, 0664); + if (file == 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant open %s", argv[0]->string); + mprFree(buf); + return -1; + } + + rc = 0; + while ((bytes = mprRead(file, data, MPR_BUFSIZE)) > 0) { + if (mprPutBlockToBuf(buf, data, bytes) != bytes) { + ejsError(ejs, EJS_IO_ERROR, "Write error to %s", argv[1]->string); + rc = -1; + break; + } + } + + ejsSetReturnValueToBinaryString(ejs, (uchar*) mprGetBufStart(buf), + mprGetBufLength(buf)); + + mprClose(file); + mprFree(data); + mprFree(buf); + + return rc; +} + +/******************************************************************************/ +/* + * function void remove(string path); + */ + +static int removeProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + int rc; + + if (argc != 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: remove(path)"); + return -1; + } + + rc = unlink(argv[0]->string); + if (rc < 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant remove file"); + return -1; + } + return 0; +} + +/******************************************************************************/ +/* + * function void rename(string from, string to); + */ + +static int renameProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + int rc; + + if (argc != 2 || !ejsVarIsString(argv[0]) || !ejsVarIsString(argv[1])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: rename(old, new)"); + return -1; + } + + unlink(argv[1]->string); + rc = rename(argv[0]->string, argv[1]->string); + if (rc < 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant rename file"); + return -1; + } + return 0; +} + +/******************************************************************************/ +/* + * function void copy(string old, string new); + */ + +static int copyProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + MprFile *from, *to; + char *buf; + uint bytes; + int rc; + + if (argc != 2 || !ejsVarIsString(argv[0]) || !ejsVarIsString(argv[1])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: copy(old, new)"); + return -1; + } + + buf = mprAlloc(ejs, MPR_BUFSIZE); + if (buf == 0) { + ejsMemoryError(ejs); + return -1; + } + + from = mprOpen(ejs, argv[0]->string, O_RDONLY | O_BINARY, 0664); + if (from == 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant open %s", argv[0]->string); + mprFree(buf); + return -1; + } + + to = mprOpen(ejs, argv[1]->string, O_CREAT | O_BINARY, 0664); + if (to == 0) { + ejsError(ejs, EJS_IO_ERROR, "Cant create %s", argv[1]->string); + mprClose(from); + mprFree(buf); + return -1; + } + + rc = 0; + while ((bytes = mprRead(from, buf, MPR_BUFSIZE)) > 0) { + if (mprWrite(to, buf, bytes) != bytes) { + ejsError(ejs, EJS_IO_ERROR, "Write error to %s", argv[1]->string); + rc = -1; + break; + } + } + + mprClose(from); + mprClose(to); + mprFree(buf); + + return rc; +} + +/******************************************************************************/ +/* + * function FileInfo getFileInfo(string path); + * + * MOB -- should create a real class FileInfo + */ + +static int getFileInfoProc(Ejs *ejs, EjsVar *thisObj, int argc, EjsVar **argv) +{ + MprFileInfo info; + EjsVar *fileInfo; + int rc; + + if (argc != 1 || !ejsVarIsString(argv[0])) { + ejsError(ejs, EJS_ARG_ERROR, "Bad usage: getFileInfo(path)"); + return -1; + } + + fileInfo = ejsCreateObjVar(ejs); + if (fileInfo == 0) { + ejsMemoryError(ejs); + return -1; + } + ejsMakeObjPermanent(fileInfo, 1); + + rc = mprGetFileInfo(ejs, argv[0]->string, &info); + if (rc < 0) { + ejsMakeObjPermanent(fileInfo, 0); + ejsFreeVar(ejs, fileInfo); + ejsError(ejs, EJS_IO_ERROR, "Cant get file info for %s", + argv[0]->string); + return -1; + } + + ejsSetPropertyToInteger(ejs, fileInfo, "created", info.ctime); + ejsSetPropertyToInteger(ejs, fileInfo, "length", info.size); + ejsSetPropertyToBoolean(ejs, fileInfo, "isDir", info.isDir); + + ejsSetReturnValue(ejs, fileInfo); + ejsMakeObjPermanent(fileInfo, 0); + + return 0; +} + +/******************************************************************************/ +/******************************** Initialization ******************************/ +/******************************************************************************/ + +int ejsDefineFileSystemClass(Ejs *ejs) +{ + EjsVar *fileSystemClass; + + fileSystemClass = ejsDefineClass(ejs, "FileSystem", "Object", 0); + if (fileSystemClass == 0) { + return MPR_ERR_CANT_INITIALIZE; + } + + /* + * Define the methods + */ + ejsDefineCMethod(ejs, fileSystemClass, "access", accessProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "mkdir", mkdirProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "rmdir", rmdirProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "dirList", dirListProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "writeFile", writeFileProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "readFile", readFileProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "remove", removeProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "rename", renameProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "copy", copyProc, 0); + ejsDefineCMethod(ejs, fileSystemClass, "getFileInfo", getFileInfoProc, 0); + + // MOB -- should be a property with accessor + ejsDefineCMethod(ejs, fileSystemClass, "getFreeSpace", getFreeSpaceProc, 0); + + return ejsObjHasErrors(fileSystemClass) ? MPR_ERR_CANT_INITIALIZE: 0; +} + +/******************************************************************************/ + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim:tw=78 + * vim600: sw=4 ts=4 fdm=marker + * vim<600: sw=4 ts=4 + */ |