/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/js/jsfile.cpp
C++ | 2255 lines | 1724 code | 329 blank | 202 comment | 347 complexity | 3bf1c2ece828bedc0e49f097d9a62449 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, MPL-2.0-no-copyleft-exception, BSD-3-Clause
- /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
- * vim: set ts=8 sw=4 et tw=78:
- *
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator client code, released
- * March 31, 1998.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- /*
- * JS File object
- */
- #if JS_HAS_FILE_OBJECT
- #include "jsstddef.h"
- #include "jsfile.h"
- /* ----------------- Platform-specific includes and defines ----------------- */
- #if defined(XP_WIN) || defined(XP_OS2)
- # include <direct.h>
- # include <io.h>
- # include <sys/types.h>
- # include <sys/stat.h>
- # define FILESEPARATOR '\\'
- # define FILESEPARATOR2 '/'
- # define CURRENT_DIR "c:\\"
- # define POPEN _popen
- # define PCLOSE _pclose
- #elif defined(XP_UNIX) || defined(XP_BEOS)
- # include <strings.h>
- # include <stdio.h>
- # include <stdlib.h>
- # include <unistd.h>
- # define FILESEPARATOR '/'
- # define FILESEPARATOR2 '\0'
- # define CURRENT_DIR "/"
- # define POPEN popen
- # define PCLOSE pclose
- #endif
- /* --------------- Platform-independent includes and defines ---------------- */
- #include "jsapi.h"
- #include "jsatom.h"
- #include "jscntxt.h"
- #include "jsdate.h"
- #include "jsdbgapi.h"
- #include "jsemit.h"
- #include "jsfun.h"
- #include "jslock.h"
- #include "jsobj.h"
- #include "jsparse.h"
- #include "jsscan.h"
- #include "jsscope.h"
- #include "jsscript.h"
- #include "jsstr.h"
- #include "jsutil.h" /* Added by JSIFY */
- #include <string.h>
- /* NSPR dependencies */
- #include "prio.h"
- #include "prerror.h"
- #define SPECIAL_FILE_STRING "Special File"
- #define CURRENTDIR_PROPERTY "currentDir"
- #define SEPARATOR_PROPERTY "separator"
- #define FILE_CONSTRUCTOR "File"
- #define PIPE_SYMBOL '|'
- #define ASCII 0
- #define UTF8 1
- #define UCS2 2
- #define asciistring "text"
- #define utfstring "binary"
- #define unicodestring "unicode"
- #define MAX_PATH_LENGTH 1024
- #define MODE_SIZE 256
- #define NUMBER_SIZE 32
- #define MAX_LINE_LENGTH 256
- #define URL_PREFIX "file://"
- #define STDINPUT_NAME "Standard input stream"
- #define STDOUTPUT_NAME "Standard output stream"
- #define STDERROR_NAME "Standard error stream"
- #define RESOLVE_PATH js_canonicalPath /* js_absolutePath */
- /* Error handling */
- typedef enum JSFileErrNum {
- #define MSG_DEF(name, number, count, exception, format) \
- name = number,
- #include "jsfile.msg"
- #undef MSG_DEF
- JSFileErr_Limit
- #undef MSGDEF
- } JSFileErrNum;
- #define JSFILE_HAS_DFLT_MSG_STRINGS 1
- JSErrorFormatString JSFile_ErrorFormatString[JSFileErr_Limit] = {
- #if JSFILE_HAS_DFLT_MSG_STRINGS
- #define MSG_DEF(name, number, count, exception, format) \
- { format, count },
- #else
- #define MSG_DEF(name, number, count, exception, format) \
- { NULL, count },
- #endif
- #include "jsfile.msg"
- #undef MSG_DEF
- };
- const JSErrorFormatString *
- JSFile_GetErrorMessage(void *userRef, const char *locale,
- const uintN errorNumber)
- {
- if ((errorNumber > 0) && (errorNumber < JSFileErr_Limit))
- return &JSFile_ErrorFormatString[errorNumber];
- else
- return NULL;
- }
- #define JSFILE_CHECK_NATIVE(op) \
- if (file->isNative) { \
- JS_ReportWarning(cx, "Cannot call or access \"%s\" on native file %s",\
- op, file->path); \
- goto out; \
- }
- #define JSFILE_CHECK_WRITE \
- if (!file->isOpen) { \
- JS_ReportWarning(cx, \
- "File %s is closed, will open it for writing, proceeding", \
- file->path); \
- js_FileOpen(cx, obj, file, "write,append,create"); \
- } \
- if (!js_canWrite(cx, file)) { \
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL, \
- JSFILEMSG_CANNOT_WRITE, file->path); \
- goto out; \
- }
- #define JSFILE_CHECK_READ \
- if (!file->isOpen) { \
- JS_ReportWarning(cx, \
- "File %s is closed, will open it for reading, proceeding", \
- file->path); \
- js_FileOpen(cx, obj, file, "read"); \
- } \
- if (!js_canRead(cx, file)) { \
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL, \
- JSFILEMSG_CANNOT_READ, file->path); \
- goto out; \
- }
- #define JSFILE_CHECK_OPEN(op) \
- if (!file->isOpen) { \
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL, \
- JSFILEMSG_FILE_MUST_BE_OPEN, op); \
- goto out; \
- }
- #define JSFILE_CHECK_CLOSED(op) \
- if (file->isOpen) { \
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL, \
- JSFILEMSG_FILE_MUST_BE_CLOSED, op); \
- goto out; \
- }
- #define JSFILE_CHECK_ONE_ARG(op) \
- if (argc != 1) { \
- char str[NUMBER_SIZE]; \
- sprintf(str, "%d", argc); \
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL, \
- JSFILEMSG_EXPECTS_ONE_ARG_ERROR, op, str); \
- goto out; \
- }
- /*
- Security mechanism, should define a callback for this.
- The parameters are as follows:
- SECURITY_CHECK(JSContext *cx, JSPrincipals *ps, char *op_name, JSFile *file)
- XXX Should this be a real function returning a JSBool result (and getting
- some typesafety help from the compiler?).
- */
- #define SECURITY_CHECK(cx, ps, op, file) \
- /* Define a callback here... */
- /* Structure representing the file internally */
- typedef struct JSFile {
- char *path; /* the path to the file. */
- JSBool isOpen;
- int32 mode; /* mode used to open the file: read, write, append, create, etc.. */
- int32 type; /* Asciiz, utf, unicode */
- char byteBuffer[3]; /* bytes read in advance by js_FileRead ( UTF8 encoding ) */
- jsint nbBytesInBuf; /* number of bytes stored in the buffer above */
- jschar charBuffer; /* character read in advance by readln ( mac files only ) */
- JSBool charBufferUsed; /* flag indicating if the buffer above is being used */
- JSBool hasRandomAccess;/* can the file be randomly accessed? false for stdin, and
- UTF-encoded files. */
- JSBool hasAutoflush; /* should we force a flush for each line break? */
- JSBool isNative; /* if the file is using OS-specific file FILE type */
- /* We can actually put the following two in a union since they should never be used at the same time */
- PRFileDesc *handle; /* the handle for the file, if open. */
- FILE *nativehandle; /* native handle, for stuff NSPR doesn't do. */
- JSBool isPipe; /* if the file is really an OS pipe */
- } JSFile;
- /* a few forward declarations... */
- JS_PUBLIC_API(JSObject*) js_NewFileObject(JSContext *cx, char *filename);
- static JSBool file_open(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
- static JSBool file_close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
- /* New filename manipulation procesures */
- /* assumes we don't have leading/trailing spaces */
- static JSBool
- js_filenameHasAPipe(const char *filename)
- {
- if (!filename)
- return JS_FALSE;
- return filename[0] == PIPE_SYMBOL ||
- filename[strlen(filename) - 1] == PIPE_SYMBOL;
- }
- static JSBool
- js_isAbsolute(const char *name)
- {
- #if defined(XP_WIN) || defined(XP_OS2)
- return *name && name[1] == ':';
- #else
- return (name[0]
- # if defined(XP_UNIX) || defined(XP_BEOS)
- ==
- # else
- !=
- # endif
- FILESEPARATOR);
- #endif
- }
- /*
- * Concatenates base and name to produce a valid filename.
- * Returned string must be freed.
- */
- static char*
- js_combinePath(JSContext *cx, const char *base, const char *name)
- {
- int len = strlen(base);
- char* result = JS_malloc(cx, len + strlen(name) + 2);
- if (!result)
- return NULL;
- strcpy(result, base);
- if (base[len - 1] != FILESEPARATOR && base[len - 1] != FILESEPARATOR2) {
- result[len] = FILESEPARATOR;
- result[len + 1] = '\0';
- }
- strcat(result, name);
- return result;
- }
- /* Extract the last component from a path name. Returned string must be freed */
- static char *
- js_fileBaseName(JSContext *cx, const char *pathname)
- {
- jsint index, aux;
- char *result;
- index = strlen(pathname)-1;
- /* Chop off trailing seperators. */
- while (index > 0 && (pathname[index]==FILESEPARATOR ||
- pathname[index]==FILESEPARATOR2)) {
- --index;
- }
- aux = index;
- /* Now find the next separator. */
- while (index >= 0 && pathname[index] != FILESEPARATOR &&
- pathname[index] != FILESEPARATOR2) {
- --index;
- }
- /* Allocate and copy. */
- result = JS_malloc(cx, aux - index + 1);
- if (!result)
- return NULL;
- strncpy(result, pathname + index + 1, aux - index);
- result[aux - index] = '\0';
- return result;
- }
- /*
- * Returns everything but the last component from a path name.
- * Returned string must be freed.
- */
- static char *
- js_fileDirectoryName(JSContext *cx, const char *pathname)
- {
- char *result;
- const char *cp, *end;
- size_t pathsize;
- end = pathname + strlen(pathname);
- cp = end - 1;
- /* If this is already a directory, chop off the trailing /s. */
- while (cp >= pathname) {
- if (*cp != FILESEPARATOR && *cp != FILESEPARATOR2)
- break;
- --cp;
- }
- if (cp < pathname && end != pathname) {
- /* There were just /s, return the root. */
- result = JS_malloc(cx, 1 + 1); /* The separator + trailing NUL. */
- result[0] = FILESEPARATOR;
- result[1] = '\0';
- return result;
- }
- /* Now chop off the last portion. */
- while (cp >= pathname) {
- if (*cp == FILESEPARATOR || *cp == FILESEPARATOR2)
- break;
- --cp;
- }
- /* Check if this is a leaf. */
- if (cp < pathname) {
- /* It is, return "pathname/". */
- if (end[-1] == FILESEPARATOR || end[-1] == FILESEPARATOR2) {
- /* Already has its terminating /. */
- return JS_strdup(cx, pathname);
- }
- pathsize = end - pathname + 1;
- result = JS_malloc(cx, pathsize + 1);
- if (!result)
- return NULL;
- strcpy(result, pathname);
- result[pathsize - 1] = FILESEPARATOR;
- result[pathsize] = '\0';
- return result;
- }
- /* Return everything up to and including the seperator. */
- pathsize = cp - pathname + 1;
- result = JS_malloc(cx, pathsize + 1);
- if (!result)
- return NULL;
- strncpy(result, pathname, pathsize);
- result[pathsize] = '\0';
- return result;
- }
- static char *
- js_absolutePath(JSContext *cx, const char * path)
- {
- JSObject *obj;
- JSString *str;
- jsval prop;
- if (js_isAbsolute(path)) {
- return JS_strdup(cx, path);
- } else {
- obj = JS_GetGlobalObject(cx);
- if (!JS_GetProperty(cx, obj, FILE_CONSTRUCTOR, &prop)) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FILE_CONSTRUCTOR_UNDEFINED_ERROR);
- return JS_strdup(cx, path);
- }
- obj = JSVAL_TO_OBJECT(prop);
- if (!JS_GetProperty(cx, obj, CURRENTDIR_PROPERTY, &prop)) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FILE_CURRENTDIR_UNDEFINED_ERROR);
- return JS_strdup(cx, path);
- }
- str = JS_ValueToString(cx, prop);
- if (!str)
- return JS_strdup(cx, path);
- /* should we have an array of curr dirs indexed by drive for windows? */
- return js_combinePath(cx, JS_GetStringBytes(str), path);
- }
- }
- /* Side effect: will remove spaces in the beginning/end of the filename */
- static char *
- js_canonicalPath(JSContext *cx, char *oldpath)
- {
- char *tmp;
- char *path = oldpath;
- char *base, *dir, *current, *result;
- jsint c;
- jsint back = 0;
- unsigned int i = 0, j = strlen(path)-1;
- /* This is probably optional */
- /* Remove possible spaces in the beginning and end */
- while (i < j && path[i] == ' ')
- i++;
- while (j >= 0 && path[j] == ' ')
- j--;
- tmp = JS_malloc(cx, j-i+2);
- if (!tmp)
- return NULL;
- strncpy(tmp, path + i, j - i + 1);
- tmp[j - i + 1] = '\0';
- path = tmp;
- /* Pipe support. */
- if (js_filenameHasAPipe(path))
- return path;
- /* file:// support. */
- if (!strncmp(path, URL_PREFIX, strlen(URL_PREFIX))) {
- tmp = js_canonicalPath(cx, path + strlen(URL_PREFIX));
- JS_free(cx, path);
- return tmp;
- }
- if (!js_isAbsolute(path)) {
- tmp = js_absolutePath(cx, path);
- if (!tmp)
- return NULL;
- JS_free(cx, path);
- path = tmp;
- }
- result = JS_strdup(cx, "");
- current = path;
- base = js_fileBaseName(cx, current);
- dir = js_fileDirectoryName(cx, current);
- while (strcmp(dir, current)) {
- if (!strcmp(base, "..")) {
- back++;
- } else {
- if (back > 0) {
- back--;
- } else {
- tmp = result;
- result = JS_malloc(cx, strlen(base) + 1 + strlen(tmp) + 1);
- if (!result)
- goto out;
- strcpy(result, base);
- c = strlen(result);
- if (*tmp) {
- result[c] = FILESEPARATOR;
- result[c + 1] = '\0';
- strcat(result, tmp);
- }
- JS_free(cx, tmp);
- }
- }
- JS_free(cx, current);
- JS_free(cx, base);
- current = dir;
- base = js_fileBaseName(cx, current);
- dir = js_fileDirectoryName(cx, current);
- }
- tmp = result;
- result = JS_malloc(cx, strlen(dir)+1+strlen(tmp)+1);
- if (!result)
- goto out;
- strcpy(result, dir);
- c = strlen(result);
- if (tmp[0]!='\0') {
- if ((result[c-1]!=FILESEPARATOR)&&(result[c-1]!=FILESEPARATOR2)) {
- result[c] = FILESEPARATOR;
- result[c+1] = '\0';
- }
- strcat(result, tmp);
- }
- out:
- if (tmp)
- JS_free(cx, tmp);
- if (dir)
- JS_free(cx, dir);
- if (base)
- JS_free(cx, base);
- if (current)
- JS_free(cx, current);
- return result;
- }
- /* -------------------------- Text conversion ------------------------------- */
- /* The following is ripped from libi18n/unicvt.c and include files.. */
- /*
- * UTF8 defines and macros
- */
- #define ONE_OCTET_BASE 0x00 /* 0xxxxxxx */
- #define ONE_OCTET_MASK 0x7F /* x1111111 */
- #define CONTINUING_OCTET_BASE 0x80 /* 10xxxxxx */
- #define CONTINUING_OCTET_MASK 0x3F /* 00111111 */
- #define TWO_OCTET_BASE 0xC0 /* 110xxxxx */
- #define TWO_OCTET_MASK 0x1F /* 00011111 */
- #define THREE_OCTET_BASE 0xE0 /* 1110xxxx */
- #define THREE_OCTET_MASK 0x0F /* 00001111 */
- #define FOUR_OCTET_BASE 0xF0 /* 11110xxx */
- #define FOUR_OCTET_MASK 0x07 /* 00000111 */
- #define FIVE_OCTET_BASE 0xF8 /* 111110xx */
- #define FIVE_OCTET_MASK 0x03 /* 00000011 */
- #define SIX_OCTET_BASE 0xFC /* 1111110x */
- #define SIX_OCTET_MASK 0x01 /* 00000001 */
- #define IS_UTF8_1ST_OF_1(x) (( (x)&~ONE_OCTET_MASK ) == ONE_OCTET_BASE)
- #define IS_UTF8_1ST_OF_2(x) (( (x)&~TWO_OCTET_MASK ) == TWO_OCTET_BASE)
- #define IS_UTF8_1ST_OF_3(x) (( (x)&~THREE_OCTET_MASK) == THREE_OCTET_BASE)
- #define IS_UTF8_1ST_OF_4(x) (( (x)&~FOUR_OCTET_MASK ) == FOUR_OCTET_BASE)
- #define IS_UTF8_1ST_OF_5(x) (( (x)&~FIVE_OCTET_MASK ) == FIVE_OCTET_BASE)
- #define IS_UTF8_1ST_OF_6(x) (( (x)&~SIX_OCTET_MASK ) == SIX_OCTET_BASE)
- #define IS_UTF8_2ND_THRU_6TH(x) \
- (( (x)&~CONTINUING_OCTET_MASK ) == CONTINUING_OCTET_BASE)
- #define IS_UTF8_1ST_OF_UCS2(x) \
- IS_UTF8_1ST_OF_1(x) \
- || IS_UTF8_1ST_OF_2(x) \
- || IS_UTF8_1ST_OF_3(x)
- #define MAX_UCS2 0xFFFF
- #define DEFAULT_CHAR 0x003F /* Default char is "?" */
- #define BYTE_MASK 0xBF
- #define BYTE_MARK 0x80
- /* Function: one_ucs2_to_utf8_char
- *
- * Function takes one UCS-2 char and writes it to a UTF-8 buffer.
- * We need a UTF-8 buffer because we don't know before this
- * function how many bytes of utf-8 data will be written. It also
- * takes a pointer to the end of the UTF-8 buffer so that we don't
- * overwrite data. This function returns the number of UTF-8 bytes
- * of data written, or -1 if the buffer would have been overrun.
- */
- #define LINE_SEPARATOR 0x2028
- #define PARAGRAPH_SEPARATOR 0x2029
- static int16 one_ucs2_to_utf8_char(unsigned char *tobufp,
- unsigned char *tobufendp,
- uint16 onechar)
- {
- int16 numUTF8bytes = 0;
- if (onechar == LINE_SEPARATOR || onechar == PARAGRAPH_SEPARATOR) {
- strcpy((char*)tobufp, "\n");
- return strlen((char*)tobufp);
- }
- if (onechar < 0x80) {
- numUTF8bytes = 1;
- } else if (onechar < 0x800) {
- numUTF8bytes = 2;
- } else {
- /* 0x800 >= onechar <= MAX_UCS2 */
- numUTF8bytes = 3;
- }
- tobufp += numUTF8bytes;
- /* return error if we don't have space for the whole character */
- if (tobufp > tobufendp) {
- return(-1);
- }
- switch(numUTF8bytes) {
- case 3: *--tobufp = (onechar | BYTE_MARK) & BYTE_MASK; onechar >>=6;
- *--tobufp = (onechar | BYTE_MARK) & BYTE_MASK; onechar >>=6;
- *--tobufp = onechar | THREE_OCTET_BASE;
- break;
- case 2: *--tobufp = (onechar | BYTE_MARK) & BYTE_MASK; onechar >>=6;
- *--tobufp = onechar | TWO_OCTET_BASE;
- break;
- case 1: *--tobufp = (unsigned char)onechar;
- break;
- }
- return numUTF8bytes;
- }
- /*
- * utf8_to_ucs2_char
- *
- * Convert a utf8 multibyte character to ucs2
- *
- * inputs: pointer to utf8 character(s)
- * length of utf8 buffer ("read" length limit)
- * pointer to return ucs2 character
- *
- * outputs: number of bytes in the utf8 character
- * -1 if not a valid utf8 character sequence
- * -2 if the buffer is too short
- */
- static int16
- utf8_to_ucs2_char(const unsigned char *utf8p, int16 buflen, uint16 *ucs2p)
- {
- uint16 lead, cont1, cont2;
- /*
- * Check for minimum buffer length
- */
- if ((buflen < 1) || (utf8p == NULL)) {
- return -2;
- }
- lead = (uint16) (*utf8p);
- /*
- * Check for a one octet sequence
- */
- if (IS_UTF8_1ST_OF_1(lead)) {
- *ucs2p = lead & ONE_OCTET_MASK;
- return 1;
- }
- /*
- * Check for a two octet sequence
- */
- if (IS_UTF8_1ST_OF_2(*utf8p)) {
- if (buflen < 2)
- return -2;
- cont1 = (uint16) *(utf8p+1);
- if (!IS_UTF8_2ND_THRU_6TH(cont1))
- return -1;
- *ucs2p = (lead & TWO_OCTET_MASK) << 6;
- *ucs2p |= cont1 & CONTINUING_OCTET_MASK;
- return 2;
- }
- /*
- * Check for a three octet sequence
- */
- else if (IS_UTF8_1ST_OF_3(lead)) {
- if (buflen < 3)
- return -2;
- cont1 = (uint16) *(utf8p+1);
- cont2 = (uint16) *(utf8p+2);
- if ( (!IS_UTF8_2ND_THRU_6TH(cont1))
- || (!IS_UTF8_2ND_THRU_6TH(cont2)))
- return -1;
- *ucs2p = (lead & THREE_OCTET_MASK) << 12;
- *ucs2p |= (cont1 & CONTINUING_OCTET_MASK) << 6;
- *ucs2p |= cont2 & CONTINUING_OCTET_MASK;
- return 3;
- }
- else { /* not a valid utf8/ucs2 character */
- return -1;
- }
- }
- /* ----------------------------- Helper functions --------------------------- */
- /* Ripped off from lm_win.c .. */
- /* where is strcasecmp?.. for now, it's case sensitive..
- *
- * strcasecmp is in strings.h, but on windows it's called _stricmp...
- * will need to #ifdef this
- */
- static int32
- js_FileHasOption(JSContext *cx, const char *oldoptions, const char *name)
- {
- char *comma, *equal, *current;
- char *options = JS_strdup(cx, oldoptions);
- int32 found = 0;
- current = options;
- for (;;) {
- comma = strchr(current, ',');
- if (comma) *comma = '\0';
- equal = strchr(current, '=');
- if (equal) *equal = '\0';
- if (strcmp(current, name) == 0) {
- if (!equal || strcmp(equal + 1, "yes") == 0)
- found = 1;
- else
- found = atoi(equal + 1);
- }
- if (equal) *equal = '=';
- if (comma) *comma = ',';
- if (found || !comma)
- break;
- current = comma + 1;
- }
- JS_free(cx, options);
- return found;
- }
- /* empty the buffer */
- static void
- js_ResetBuffers(JSFile * file)
- {
- file->charBufferUsed = JS_FALSE;
- file->nbBytesInBuf = 0;
- }
- /* Reset file attributes */
- static void
- js_ResetAttributes(JSFile * file)
- {
- file->mode = file->type = 0;
- file->isOpen = JS_FALSE;
- file->handle = NULL;
- file->nativehandle = NULL;
- file->hasRandomAccess = JS_TRUE; /* Innocent until proven guilty. */
- file->hasAutoflush = JS_FALSE;
- file->isNative = JS_FALSE;
- file->isPipe = JS_FALSE;
- js_ResetBuffers(file);
- }
- static JSBool
- js_FileOpen(JSContext *cx, JSObject *obj, JSFile *file, char *mode){
- JSString *type, *mask;
- jsval v[2];
- jsval rval;
- type = JS_InternString(cx, asciistring);
- mask = JS_NewStringCopyZ(cx, mode);
- v[0] = STRING_TO_JSVAL(mask);
- v[1] = STRING_TO_JSVAL(type);
- if (!file_open(cx, obj, 2, v, &rval))
- return JS_FALSE;
- return JS_TRUE;
- }
- /* Buffered version of PR_Read. Used by js_FileRead */
- static int32
- js_BufferedRead(JSFile *f, unsigned char *buf, int32 len)
- {
- int32 count = 0;
- while (f->nbBytesInBuf>0&&len>0) {
- buf[0] = f->byteBuffer[0];
- f->byteBuffer[0] = f->byteBuffer[1];
- f->byteBuffer[1] = f->byteBuffer[2];
- f->nbBytesInBuf--;
- len--;
- buf+=1;
- count++;
- }
- if (len > 0) {
- count += (!f->isNative)
- ? PR_Read(f->handle, buf, len)
- : fread(buf, 1, len, f->nativehandle);
- }
- return count;
- }
- static int32
- js_FileRead(JSContext *cx, JSFile *file, jschar *buf, int32 len, int32 mode)
- {
- unsigned char *aux;
- int32 count = 0, i;
- jsint remainder;
- unsigned char utfbuf[3];
- if (file->charBufferUsed) {
- buf[0] = file->charBuffer;
- buf++;
- len--;
- file->charBufferUsed = JS_FALSE;
- }
- switch (mode) {
- case ASCII:
- aux = (unsigned char*)JS_malloc(cx, len);
- if (!aux)
- return 0;
- count = js_BufferedRead(file, aux, len);
- if (count == -1) {
- JS_free(cx, aux);
- return 0;
- }
- for (i = 0; i < len; i++)
- buf[i] = (jschar)aux[i];
- JS_free(cx, aux);
- break;
- case UTF8:
- remainder = 0;
- for (count = 0;count<len;count++) {
- i = js_BufferedRead(file, utfbuf+remainder, 3-remainder);
- if (i<=0) {
- return count;
- }
- i = utf8_to_ucs2_char(utfbuf, (int16)i, &buf[count] );
- if (i<0) {
- return count;
- } else {
- if (i==1) {
- utfbuf[0] = utfbuf[1];
- utfbuf[1] = utfbuf[2];
- remainder = 2;
- } else if (i==2) {
- utfbuf[0] = utfbuf[2];
- remainder = 1;
- } else if (i==3) {
- remainder = 0;
- }
- }
- }
- while (remainder>0) {
- file->byteBuffer[file->nbBytesInBuf] = utfbuf[0];
- file->nbBytesInBuf++;
- utfbuf[0] = utfbuf[1];
- utfbuf[1] = utfbuf[2];
- remainder--;
- }
- break;
- case UCS2:
- count = js_BufferedRead(file, (unsigned char *)buf, len * 2) >> 1;
- if (count == -1)
- return 0;
- break;
- default:
- /* Not reached. */
- JS_ASSERT(0);
- }
- if(count == -1) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "read", file->path);
- }
- return count;
- }
- static int32
- js_FileSeek(JSContext *cx, JSFile *file, int32 len, int32 mode)
- {
- int32 count = 0, i;
- jsint remainder;
- unsigned char utfbuf[3];
- jschar tmp;
- switch (mode) {
- case ASCII:
- count = PR_Seek(file->handle, len, PR_SEEK_CUR);
- break;
- case UTF8:
- remainder = 0;
- for (count = 0;count<len;count++) {
- i = js_BufferedRead(file, utfbuf+remainder, 3-remainder);
- if (i<=0) {
- return 0;
- }
- i = utf8_to_ucs2_char(utfbuf, (int16)i, &tmp );
- if (i<0) {
- return 0;
- } else {
- if (i==1) {
- utfbuf[0] = utfbuf[1];
- utfbuf[1] = utfbuf[2];
- remainder = 2;
- } else if (i==2) {
- utfbuf[0] = utfbuf[2];
- remainder = 1;
- } else if (i==3) {
- remainder = 0;
- }
- }
- }
- while (remainder>0) {
- file->byteBuffer[file->nbBytesInBuf] = utfbuf[0];
- file->nbBytesInBuf++;
- utfbuf[0] = utfbuf[1];
- utfbuf[1] = utfbuf[2];
- remainder--;
- }
- break;
- case UCS2:
- count = PR_Seek(file->handle, len*2, PR_SEEK_CUR)/2;
- break;
- default:
- /* Not reached. */
- JS_ASSERT(0);
- }
- if(count == -1) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "seek", file->path);
- }
- return count;
- }
- static int32
- js_FileWrite(JSContext *cx, JSFile *file, jschar *buf, int32 len, int32 mode)
- {
- unsigned char *aux;
- int32 count = 0, i, j;
- unsigned char *utfbuf;
- switch (mode) {
- case ASCII:
- aux = (unsigned char*)JS_malloc(cx, len);
- if (!aux)
- return 0;
- for (i = 0; i<len; i++)
- aux[i] = buf[i] % 256;
- count = (!file->isNative)
- ? PR_Write(file->handle, aux, len)
- : fwrite(aux, 1, len, file->nativehandle);
- if (count==-1) {
- JS_free(cx, aux);
- return 0;
- }
- JS_free(cx, aux);
- break;
- case UTF8:
- utfbuf = (unsigned char*)JS_malloc(cx, len*3);
- if (!utfbuf) return 0;
- i = 0;
- for (count = 0;count<len;count++) {
- j = one_ucs2_to_utf8_char(utfbuf+i, utfbuf+len*3, buf[count]);
- if (j==-1) {
- JS_free(cx, utfbuf);
- return 0;
- }
- i+=j;
- }
- j = (!file->isNative)
- ? PR_Write(file->handle, utfbuf, i)
- : fwrite(utfbuf, 1, i, file->nativehandle);
- if (j<i) {
- JS_free(cx, utfbuf);
- return 0;
- }
- JS_free(cx, utfbuf);
- break;
- case UCS2:
- count = (!file->isNative)
- ? PR_Write(file->handle, buf, len*2) >> 1
- : fwrite(buf, 1, len*2, file->nativehandle) >> 1;
- if (count == -1)
- return 0;
- break;
- default:
- /* Not reached. */
- JS_ASSERT(0);
- }
- if(count == -1) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "write", file->path);
- }
- return count;
- }
- /* ----------------------------- Property checkers -------------------------- */
- static JSBool
- js_exists(JSContext *cx, JSFile *file)
- {
- if (file->isNative) {
- /* It doesn't make sense for a pipe of stdstream. */
- return JS_FALSE;
- }
- return PR_Access(file->path, PR_ACCESS_EXISTS) == PR_SUCCESS;
- }
- static JSBool
- js_canRead(JSContext *cx, JSFile *file)
- {
- if (!file->isNative) {
- if (file->isOpen && !(file->mode & PR_RDONLY))
- return JS_FALSE;
- return PR_Access(file->path, PR_ACCESS_READ_OK) == PR_SUCCESS;
- }
- if (file->isPipe) {
- /* Is this pipe open for reading? */
- return file->path[0] == PIPE_SYMBOL;
- }
- return !strcmp(file->path, STDINPUT_NAME);
- }
- static JSBool
- js_canWrite(JSContext *cx, JSFile *file)
- {
- if (!file->isNative) {
- if (file->isOpen && !(file->mode & PR_WRONLY))
- return JS_FALSE;
- return PR_Access(file->path, PR_ACCESS_WRITE_OK) == PR_SUCCESS;
- }
- if(file->isPipe) {
- /* Is this pipe open for writing? */
- return file->path[strlen(file->path)-1] == PIPE_SYMBOL;
- }
- return !strcmp(file->path, STDOUTPUT_NAME) ||
- !strcmp(file->path, STDERROR_NAME);
- }
- static JSBool
- js_isFile(JSContext *cx, JSFile *file)
- {
- if (!file->isNative) {
- PRFileInfo info;
- if (file->isOpen
- ? PR_GetOpenFileInfo(file->handle, &info)
- : PR_GetFileInfo(file->path, &info) != PR_SUCCESS) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_CANNOT_ACCESS_FILE_STATUS, file->path);
- return JS_FALSE;
- }
- return info.type == PR_FILE_FILE;
- }
- /* This doesn't make sense for a pipe of stdstream. */
- return JS_FALSE;
- }
- static JSBool
- js_isDirectory(JSContext *cx, JSFile *file)
- {
- if(!file->isNative){
- PRFileInfo info;
- /* Hack needed to get get_property to work. */
- if (!js_exists(cx, file))
- return JS_FALSE;
- if (file->isOpen
- ? PR_GetOpenFileInfo(file->handle, &info)
- : PR_GetFileInfo(file->path, &info) != PR_SUCCESS) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_CANNOT_ACCESS_FILE_STATUS, file->path);
- return JS_FALSE;
- }
- return info.type == PR_FILE_DIRECTORY;
- }
- /* This doesn't make sense for a pipe of stdstream. */
- return JS_FALSE;
- }
- static jsval
- js_size(JSContext *cx, JSFile *file)
- {
- PRFileInfo info;
- JSFILE_CHECK_NATIVE("size");
- if (file->isOpen
- ? PR_GetOpenFileInfo(file->handle, &info)
- : PR_GetFileInfo(file->path, &info) != PR_SUCCESS) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_CANNOT_ACCESS_FILE_STATUS, file->path);
- return JSVAL_VOID;
- }
- return INT_TO_JSVAL(info.size);
- out:
- return JSVAL_VOID;
- }
- /*
- * Return the parent object
- */
- static JSBool
- js_parent(JSContext *cx, JSFile *file, jsval *resultp)
- {
- char *str;
- /* Since we only care about pipes and native files, return NULL. */
- if (file->isNative) {
- *resultp = JSVAL_VOID;
- return JS_TRUE;
- }
- str = js_fileDirectoryName(cx, file->path);
- if (!str)
- return JS_FALSE;
- /* If the directory is equal to the original path, we're at the root. */
- if (!strcmp(file->path, str)) {
- *resultp = JSVAL_NULL;
- } else {
- JSObject *obj = js_NewFileObject(cx, str);
- if (!obj) {
- JS_free(cx, str);
- return JS_FALSE;
- }
- *resultp = OBJECT_TO_JSVAL(obj);
- }
- JS_free(cx, str);
- return JS_TRUE;
- }
- static JSBool
- js_name(JSContext *cx, JSFile *file, jsval *vp)
- {
- char *name;
- JSString *str;
- if (file->isPipe) {
- *vp = JSVAL_VOID;
- return JS_TRUE;
- }
- name = js_fileBaseName(cx, file->path);
- if (!name)
- return JS_FALSE;
- str = JS_NewString(cx, name, strlen(name));
- if (!str) {
- JS_free(cx, name);
- return JS_FALSE;
- }
- *vp = STRING_TO_JSVAL(str);
- return JS_TRUE;
- }
- /* ------------------------------ File object methods ---------------------------- */
- static JSBool
- file_open(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSString *strmode, *strtype;
- char *ctype, *mode;
- int32 mask, type;
- int len;
- mode = NULL;
- SECURITY_CHECK(cx, NULL, "open", file);
- /* A native file that is already open */
- if(file->isOpen && file->isNative) {
- JS_ReportWarning(cx, "Native file %s is already open, proceeding",
- file->path);
- goto good;
- }
- /* Close before proceeding */
- if (file->isOpen) {
- JS_ReportWarning(cx, "File %s is already open, we will close it and "
- "reopen, proceeding", file->path);
- if(!file_close(cx, obj, 0, NULL, rval))
- goto out;
- }
- if (js_isDirectory(cx, file)) {
- JS_ReportWarning(cx, "%s seems to be a directory, there is no point in "
- "trying to open it, proceeding", file->path);
- goto good;
- }
- /* Path must be defined at this point */
- len = strlen(file->path);
- /* Mode */
- if (argc >= 1) {
- strmode = JS_ValueToString(cx, argv[0]);
- if (!strmode) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FIRST_ARGUMENT_OPEN_NOT_STRING_ERROR,
- argv[0]);
- goto out;
- }
- mode = JS_strdup(cx, JS_GetStringBytes(strmode));
- } else {
- if(file->path[0]==PIPE_SYMBOL) {
- /* pipe default mode */
- mode = JS_strdup(cx, "read");
- } else if(file->path[len-1]==PIPE_SYMBOL) {
- /* pipe default mode */
- mode = JS_strdup(cx, "write");
- } else {
- /* non-destructive, permissive defaults. */
- mode = JS_strdup(cx, "readWrite,append,create");
- }
- }
- /* Process the mode */
- mask = 0;
- /* TODO: this is pretty ugly, we walk thru the string too many times */
- mask |= js_FileHasOption(cx, mode, "read") ? PR_RDONLY : 0;
- mask |= js_FileHasOption(cx, mode, "write") ? PR_WRONLY : 0;
- mask |= js_FileHasOption(cx, mode, "readWrite")? PR_RDWR : 0;
- mask |= js_FileHasOption(cx, mode, "append") ? PR_APPEND : 0;
- mask |= js_FileHasOption(cx, mode, "create") ? PR_CREATE_FILE : 0;
- mask |= js_FileHasOption(cx, mode, "replace") ? PR_TRUNCATE : 0;
- if (mask & PR_RDWR)
- mask |= (PR_RDONLY | PR_WRONLY);
- if ((mask & PR_RDONLY) && (mask & PR_WRONLY))
- mask |= PR_RDWR;
- file->hasAutoflush |= js_FileHasOption(cx, mode, "autoflush");
- /* Type */
- if (argc > 1) {
- strtype = JS_ValueToString(cx, argv[1]);
- if (!strtype) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_SECOND_ARGUMENT_OPEN_NOT_STRING_ERROR,
- argv[1]);
- goto out;
- }
- ctype = JS_GetStringBytes(strtype);
- if(!strcmp(ctype, utfstring)) {
- type = UTF8;
- } else if (!strcmp(ctype, unicodestring)) {
- type = UCS2;
- } else {
- if (strcmp(ctype, asciistring)) {
- JS_ReportWarning(cx, "File type %s is not supported, using "
- "'text' instead, proceeding", ctype);
- }
- type = ASCII;
- }
- } else {
- type = ASCII;
- }
- /* Save the relevant fields */
- file->type = type;
- file->mode = mask;
- file->nativehandle = NULL;
- file->hasRandomAccess = (type != UTF8);
- /*
- * Deal with pipes here. We can't use NSPR for pipes, so we have to use
- * POPEN.
- */
- if (file->path[0]==PIPE_SYMBOL || file->path[len-1]==PIPE_SYMBOL) {
- if (file->path[0] == PIPE_SYMBOL && file->path[len-1] == PIPE_SYMBOL) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_BIDIRECTIONAL_PIPE_NOT_SUPPORTED);
- goto out;
- } else {
- int i = 0;
- char pipemode[3];
- SECURITY_CHECK(cx, NULL, "pipe_open", file);
- if(file->path[0] == PIPE_SYMBOL){
- if(mask & (PR_WRONLY | PR_APPEND | PR_CREATE_FILE | PR_TRUNCATE)){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OPEN_MODE_NOT_SUPPORTED_WITH_PIPES,
- mode, file->path);
- goto out;
- }
- /* open(SPOOLER, "| cat -v | lpr -h 2>/dev/null") -- pipe for writing */
- pipemode[i++] = 'r';
- #ifndef XP_UNIX
- pipemode[i++] = file->type==UTF8 ? 'b' : 't';
- #endif
- pipemode[i++] = '\0';
- file->nativehandle = POPEN(&file->path[1], pipemode);
- } else if(file->path[len-1] == PIPE_SYMBOL) {
- char *command = JS_malloc(cx, len);
- strncpy(command, file->path, len-1);
- command[len-1] = '\0';
- /* open(STATUS, "netstat -an 2>&1 |") */
- pipemode[i++] = 'w';
- #ifndef XP_UNIX
- pipemode[i++] = file->type==UTF8 ? 'b' : 't';
- #endif
- pipemode[i++] = '\0';
- file->nativehandle = POPEN(command, pipemode);
- JS_free(cx, command);
- }
- /* set the flags */
- file->isNative = JS_TRUE;
- file->isPipe = JS_TRUE;
- file->hasRandomAccess = JS_FALSE;
- }
- } else {
- /* TODO: what about the permissions?? Java ignores the problem... */
- file->handle = PR_Open(file->path, mask, 0644);
- }
- js_ResetBuffers(file);
- JS_free(cx, mode);
- mode = NULL;
- /* Set the open flag and return result */
- if (file->handle == NULL && file->nativehandle == NULL) {
- file->isOpen = JS_FALSE;
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "open", file->path);
- goto out;
- }
- good:
- file->isOpen = JS_TRUE;
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- out:
- if(mode)
- JS_free(cx, mode);
- return JS_FALSE;
- }
- static JSBool
- file_close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- SECURITY_CHECK(cx, NULL, "close", file);
- if(!file->isOpen){
- JS_ReportWarning(cx, "File %s is not open, can't close it, proceeding",
- file->path);
- goto out;
- }
- if(!file->isPipe){
- if(file->isNative){
- JS_ReportWarning(cx, "Unable to close a native file, proceeding", file->path);
- goto out;
- }else{
- if(file->handle && PR_Close(file->handle)){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "close", file->path);
- goto out;
- }
- }
- }else{
- if(PCLOSE(file->nativehandle)==-1){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "pclose", file->path);
- goto out;
- }
- }
- js_ResetAttributes(file);
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- out:
- return JS_FALSE;
- }
- static JSBool
- file_remove(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- SECURITY_CHECK(cx, NULL, "remove", file);
- JSFILE_CHECK_NATIVE("remove");
- JSFILE_CHECK_CLOSED("remove");
- if ((js_isDirectory(cx, file) ?
- PR_RmDir(file->path) : PR_Delete(file->path))==PR_SUCCESS) {
- js_ResetAttributes(file);
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- } else {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "remove", file->path);
- goto out;
- }
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- /* Raw PR-based function. No text processing. Just raw data copying. */
- static JSBool
- file_copyTo(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- char *dest = NULL;
- PRFileDesc *handle = NULL;
- char *buffer;
- jsval count, size;
- JSBool fileInitiallyOpen=JS_FALSE;
- SECURITY_CHECK(cx, NULL, "copyTo", file); /* may need a second argument!*/
- JSFILE_CHECK_ONE_ARG("copyTo");
- JSFILE_CHECK_NATIVE("copyTo");
- /* remeber the state */
- fileInitiallyOpen = file->isOpen;
- JSFILE_CHECK_READ;
- dest = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
- /* make sure we are not reading a file open for writing */
- if (file->isOpen && !js_canRead(cx, file)) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_CANNOT_COPY_FILE_OPEN_FOR_WRITING_ERROR, file->path);
- goto out;
- }
- if (file->handle==NULL){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "open", file->path);
- goto out;
- }
- handle = PR_Open(dest, PR_WRONLY|PR_CREATE_FILE|PR_TRUNCATE, 0644);
- if(!handle){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "open", dest);
- goto out;
- }
- if ((size=js_size(cx, file))==JSVAL_VOID) {
- goto out;
- }
- buffer = JS_malloc(cx, size);
- count = INT_TO_JSVAL(PR_Read(file->handle, buffer, size));
- /* reading panic */
- if (count!=size) {
- JS_free(cx, buffer);
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_COPY_READ_ERROR, file->path);
- goto out;
- }
- count = INT_TO_JSVAL(PR_Write(handle, buffer, JSVAL_TO_INT(size)));
- /* writing panic */
- if (count!=size) {
- JS_free(cx, buffer);
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_COPY_WRITE_ERROR, file->path);
- goto out;
- }
- JS_free(cx, buffer);
- if(!fileInitiallyOpen){
- if(!file_close(cx, obj, 0, NULL, rval)) goto out;
- }
- if(PR_Close(handle)!=PR_SUCCESS){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "close", dest);
- goto out;
- }
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- out:
- if(file->isOpen && !fileInitiallyOpen){
- if(PR_Close(file->handle)!=PR_SUCCESS){
- JS_ReportWarning(cx, "Can't close %s, proceeding", file->path);
- }
- }
- if(handle && PR_Close(handle)!=PR_SUCCESS){
- JS_ReportWarning(cx, "Can't close %s, proceeding", dest);
- }
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_renameTo(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- char *dest;
- SECURITY_CHECK(cx, NULL, "renameTo", file); /* may need a second argument!*/
- JSFILE_CHECK_ONE_ARG("renameTo");
- JSFILE_CHECK_NATIVE("renameTo");
- JSFILE_CHECK_CLOSED("renameTo");
- dest = RESOLVE_PATH(cx, JS_GetStringBytes(JS_ValueToString(cx, argv[0])));
- if (PR_Rename(file->path, dest)==PR_SUCCESS){
- /* copy the new filename */
- JS_free(cx, file->path);
- file->path = dest;
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- }else{
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_RENAME_FAILED, file->path, dest);
- goto out;
- }
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_flush(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- SECURITY_CHECK(cx, NULL, "flush", file);
- JSFILE_CHECK_NATIVE("flush");
- JSFILE_CHECK_OPEN("flush");
- if (PR_Sync(file->handle)==PR_SUCCESS){
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- }else{
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "flush", file->path);
- goto out;
- }
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_write(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSString *str;
- int32 count;
- uintN i;
- SECURITY_CHECK(cx, NULL, "write", file);
- JSFILE_CHECK_WRITE;
- for (i = 0; i<argc; i++) {
- str = JS_ValueToString(cx, argv[i]);
- count = js_FileWrite(cx, file, JS_GetStringChars(str),
- JS_GetStringLength(str), file->type);
- if (count==-1){
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- }
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_writeln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSString *str;
- SECURITY_CHECK(cx, NULL, "writeln", file);
- JSFILE_CHECK_WRITE;
- /* don't report an error here */
- if(!file_write(cx, obj, argc, argv, rval)) return JS_FALSE;
- /* don't do security here -- we passed the check in file_write */
- str = JS_NewStringCopyZ(cx, "\n");
- if (js_FileWrite(cx, file, JS_GetStringChars(str), JS_GetStringLength(str),
- file->type)==-1){
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- /* eol causes flush if hasAutoflush is turned on */
- if (file->hasAutoflush)
- file_flush(cx, obj, 0, NULL, rval);
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_writeAll(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- jsuint i;
- jsuint limit;
- JSObject *array;
- JSObject *elem;
- jsval elemval;
- SECURITY_CHECK(cx, NULL, "writeAll", file);
- JSFILE_CHECK_ONE_ARG("writeAll");
- JSFILE_CHECK_WRITE;
- if (!JS_IsArrayObject(cx, JSVAL_TO_OBJECT(argv[0]))) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FIRST_ARGUMENT_WRITEALL_NOT_ARRAY_ERROR);
- goto out;
- }
- array = JSVAL_TO_OBJECT(argv[0]);
- JS_GetArrayLength(cx, array, &limit);
- for (i = 0; i<limit; i++) {
- if (!JS_GetElement(cx, array, i, &elemval)) return JS_FALSE;
- elem = JSVAL_TO_OBJECT(elemval);
- file_writeln(cx, obj, 1, &elemval, rval);
- }
- *rval = JSVAL_TRUE;
- return JS_TRUE;
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_read(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSString *str;
- int32 want, count;
- jschar *buf;
- SECURITY_CHECK(cx, NULL, "read", file);
- JSFILE_CHECK_ONE_ARG("read");
- JSFILE_CHECK_READ;
- if (!JS_ValueToInt32(cx, argv[0], &want)){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FIRST_ARGUMENT_MUST_BE_A_NUMBER, "read", argv[0]);
- goto out;
- }
- /* want = (want>262144)?262144:want; * arbitrary size limitation */
- buf = JS_malloc(cx, want*sizeof buf[0]);
- if (!buf) goto out;
- count = js_FileRead(cx, file, buf, want, file->type);
- if (count>0) {
- str = JS_NewUCStringCopyN(cx, buf, count);
- *rval = STRING_TO_JSVAL(str);
- JS_free(cx, buf);
- return JS_TRUE;
- } else {
- JS_free(cx, buf);
- goto out;
- }
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_readln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSString *str;
- jschar *buf = NULL, *tmp;
- int32 offset, read;
- intN room;
- jschar data, data2;
- SECURITY_CHECK(cx, NULL, "readln", file);
- JSFILE_CHECK_READ;
- buf = JS_malloc(cx, MAX_LINE_LENGTH * sizeof data);
- if (!buf)
- return JS_FALSE;
- room = MAX_LINE_LENGTH - 1;
- offset = 0;
- for (;;) {
- read = js_FileRead(cx, file, &data, 1, file->type);
- if (read < 0)
- goto out;
- if (read == 0)
- goto eof;
- switch (data) {
- case '\r':
- read = js_FileRead(cx, file, &data2, 1, file->type);
- if (read < 0)
- goto out;
- if (read == 1 && data2 != '\n') {
- /* We read one char too far. Buffer it. */
- file->charBuffer = data2;
- file->charBufferUsed = JS_TRUE;
- }
- /* Fall through. */
- case '\n':
- goto done;
- default:
- if (--room < 0) {
- tmp = JS_realloc(cx, buf,
- (offset + MAX_LINE_LENGTH) * sizeof data);
- if (!tmp)
- goto out;
- room = MAX_LINE_LENGTH - 1;
- buf = tmp;
- }
- buf[offset++] = data;
- break;
- }
- }
- eof:
- if (offset == 0) {
- *rval = JSVAL_NULL;
- return JS_TRUE;
- }
- done:
- buf[offset] = 0;
- tmp = JS_realloc(cx, buf, (offset + 1) * sizeof data);
- if (!tmp)
- goto out;
- str = JS_NewUCString(cx, tmp, offset);
- if (!str)
- goto out;
- *rval = STRING_TO_JSVAL(str);
- return JS_TRUE;
- out:
- if (buf)
- JS_free(cx, buf);
- return JS_FALSE;
- }
- static JSBool
- file_readAll(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSObject *array;
- jsint len;
- jsval line;
- JSBool lineok = JS_FALSE;
- SECURITY_CHECK(cx, NULL, "readAll", file);
- JSFILE_CHECK_READ;
- array = JS_NewArrayObject(cx, 0, NULL);
- if (!array)
- return JS_FALSE;
- *rval = OBJECT_TO_JSVAL(array);
- len = 0;
- lineok = file_readln(cx, obj, 0, NULL, &line);
- while (lineok && !JSVAL_IS_NULL(line)) {
- JS_SetElement(cx, array, len++, &line);
- lineok = file_readln(cx, obj, 0, NULL, &line);
- }
- out:
- return lineok;
- }
- static JSBool
- file_seek(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- int32 toskip;
- int32 pos;
- SECURITY_CHECK(cx, NULL, "seek", file);
- JSFILE_CHECK_ONE_ARG("seek");
- JSFILE_CHECK_NATIVE("seek");
- JSFILE_CHECK_READ;
- if (!JS_ValueToInt32(cx, argv[0], &toskip)){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FIRST_ARGUMENT_MUST_BE_A_NUMBER, "seek", argv[0]);
- goto out;
- }
- if(!file->hasRandomAccess){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_NO_RANDOM_ACCESS, file->path);
- goto out;
- }
- if(js_isDirectory(cx, file)){
- JS_ReportWarning(cx,"Seek on directories is not supported, proceeding");
- goto out;
- }
- pos = js_FileSeek(cx, file, toskip, file->type);
- if (pos!=-1) {
- *rval = INT_TO_JSVAL(pos);
- return JS_TRUE;
- }
- out:
- *rval = JSVAL_VOID;
- return JS_FALSE;
- }
- static JSBool
- file_list(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- PRDir *dir;
- PRDirEntry *entry;
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSObject *array;
- JSObject *eachFile;
- jsint len;
- jsval v;
- JSRegExp *re = NULL;
- JSFunction *func = NULL;
- JSString *str;
- jsval args[1];
- char *filePath;
- SECURITY_CHECK(cx, NULL, "list", file);
- JSFILE_CHECK_NATIVE("list");
- if (argc==1) {
- if (VALUE_IS_REGEXP(cx, argv[0])) {
- re = JS_GetPrivate(cx, JSVAL_TO_OBJECT(argv[0]));
- }else
- if (VALUE_IS_FUNCTION(cx, argv[0])) {
- func = JS_GetPrivate(cx, JSVAL_TO_OBJECT(argv[0]));
- }else{
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FIRST_ARGUMENT_MUST_BE_A_FUNCTION_OR_REGEX, argv[0]);
- goto out;
- }
- }
- if (!js_isDirectory(cx, file)) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_CANNOT_DO_LIST_ON_A_FILE, file->path);
- goto out;
- }
- dir = PR_OpenDir(file->path);
- if(!dir){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "open", file->path);
- goto out;
- }
- /* create JSArray here... */
- array = JS_NewArrayObject(cx, 0, NULL);
- len = 0;
- while ((entry = PR_ReadDir(dir, PR_SKIP_BOTH))!=NULL) {
- /* first, check if we have a regexp */
- if (re!=NULL) {
- size_t index = 0;
- str = JS_NewStringCopyZ(cx, entry->name);
- if(!js_ExecuteRegExp(cx, re, str, &index, JS_TRUE, &v)){
- /* don't report anything here */
- goto out;
- }
- /* not matched! */
- if (JSVAL_IS_NULL(v)) {
- continue;
- }
- }else
- if (func!=NULL) {
- str = JS_NewStringCopyZ(cx, entry->name);
- args[0] = STRING_TO_JSVAL(str);
- if(!JS_CallFunction(cx, obj, func, 1, args, &v)){
- goto out;
- }
- if (v==JSVAL_FALSE) {
- continue;
- }
- }
- filePath = js_combinePath(cx, file->path, (char*)entry->name);
- eachFile = js_NewFileObject(cx, filePath);
- JS_free(cx, filePath);
- if (!eachFile){
- JS_ReportWarning(cx, "File %s cannot be retrieved", filePath);
- continue;
- }
- v = OBJECT_TO_JSVAL(eachFile);
- JS_SetElement(cx, array, len, &v);
- JS_SetProperty(cx, array, entry->name, &v);
- len++;
- }
- if(PR_CloseDir(dir)!=PR_SUCCESS){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "close", file->path);
- goto out;
- }
- *rval = OBJECT_TO_JSVAL(array);
- return JS_TRUE;
- out:
- *rval = JSVAL_NULL;
- return JS_FALSE;
- }
- static JSBool
- file_mkdir(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- SECURITY_CHECK(cx, NULL, "mkdir", file);
- JSFILE_CHECK_ONE_ARG("mkdir");
- JSFILE_CHECK_NATIVE("mkdir");
- /* if the current file is not a directory, find out the directory name */
- if (!js_isDirectory(cx, file)) {
- char *dir = js_fileDirectoryName(cx, file->path);
- JSObject *dirObj = js_NewFileObject(cx, dir);
- JS_free(cx, dir);
- /* call file_mkdir with the right set of parameters if needed */
- if (file_mkdir(cx, dirObj, argc, argv, rval))
- return JS_TRUE;
- else
- goto out;
- }else{
- char *dirName = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
- char *fullName;
- fullName = js_combinePath(cx, file->path, dirName);
- if (PR_MkDir(fullName, 0755)==PR_SUCCESS){
- *rval = JSVAL_TRUE;
- JS_free(cx, fullName);
- return JS_TRUE;
- }else{
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OP_FAILED, "mkdir", fullName);
- JS_free(cx, fullName);
- goto out;
- }
- }
- out:
- *rval = JSVAL_FALSE;
- return JS_FALSE;
- }
- static JSBool
- file_toString(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval*rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- JSString *str;
- str = JS_NewStringCopyZ(cx, file->path);
- if (!str)
- return JS_FALSE;
- *rval = STRING_TO_JSVAL(str);
- return JS_TRUE;
- }
- static JSBool
- file_toURL(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- char url[MAX_PATH_LENGTH];
- jschar *urlChars;
- size_t len;
- JSString *str;
- JSFILE_CHECK_NATIVE("toURL");
- sprintf(url, "file://%s", file->path);
- len = strlen(url);
- urlChars = js_InflateString(cx, url, &len);
- if (!urlChars)
- return JS_FALSE;
- str = js_NewString(cx, urlChars, len);
- if (!str) {
- JS_free(cx, urlChars);
- return JS_FALSE;
- }
- *rval = STRING_TO_JSVAL(str);
- /* TODO: js_escape in jsstr.h may go away at some point */
- return js_str_escape(cx, obj, 0, rval, rval);
- out:
- *rval = JSVAL_VOID;
- return JS_FALSE;
- }
- static void
- file_finalize(JSContext *cx, JSObject *obj)
- {
- JSFile *file = JS_GetInstancePrivate(cx, obj, &js_FileClass, NULL);
- if(file) {
- /* Close the file before exiting. */
- if(file->isOpen && !file->isNative) {
- jsval vp;
- file_close(cx, obj, 0, NULL, &vp);
- }
- if (file->path)
- JS_free(cx, file->path);
- JS_free(cx, file);
- }
- }
- /*
- Allocates memory for the file object, sets fields to defaults.
- */
- static JSFile*
- file_init(JSContext *cx, JSObject *obj, char *bytes)
- {
- JSFile *file;
- file = JS_malloc(cx, sizeof *file);
- if (!file)
- return NULL;
- memset(file, 0 , sizeof *file);
- js_ResetAttributes(file);
- file->path = RESOLVE_PATH(cx, bytes);
- if (!JS_SetPrivate(cx, obj, file)) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_CANNOT_SET_PRIVATE_FILE, file->path);
- JS_free(cx, file);
- return NULL;
- }
- return file;
- }
- /* Returns a JSObject. This function is globally visible */
- JS_PUBLIC_API(JSObject*)
- js_NewFileObject(JSContext *cx, char *filename)
- {
- JSObject *obj;
- JSFile *file;
- obj = JS_NewObject(cx, &js_FileClass, NULL, NULL);
- if (!obj){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OBJECT_CREATION_FAILED, "js_NewFileObject");
- return NULL;
- }
- file = file_init(cx, obj, filename);
- if(!file) return NULL;
- return obj;
- }
- /* Internal function, used for cases which NSPR file support doesn't cover */
- JSObject*
- js_NewFileObjectFromFILE(JSContext *cx, FILE *nativehandle, char *filename,
- int32 mode, JSBool open, JSBool randomAccess)
- {
- JSObject *obj;
- JSFile *file;
- obj = JS_NewObject(cx, &js_FileClass, NULL, NULL);
- if (!obj){
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_OBJECT_CREATION_FAILED, "js_NewFileObjectFromFILE");
- return NULL;
- }
- file = file_init(cx, obj, filename);
- if(!file) return NULL;
- file->nativehandle = nativehandle;
- /* free result of RESOLVE_PATH from file_init. */
- JS_ASSERT(file->path != NULL);
- JS_free(cx, file->path);
- file->path = strdup(filename);
- file->isOpen = open;
- file->mode = mode;
- file->hasRandomAccess = randomAccess;
- file->isNative = JS_TRUE;
- return obj;
- }
- /*
- Real file constructor that is called from JavaScript.
- Basically, does error processing and calls file_init.
- */
- static JSBool
- file_constructor(JSContext *cx, JSObject *obj, uintN argc, jsval *argv,
- jsval *rval)
- {
- JSString *str;
- JSFile *file;
- if (!(cx->fp->flags & JSFRAME_CONSTRUCTING)) {
- /* Replace obj with a new File object. */
- obj = JS_NewObject(cx, &js_FileClass, NULL, NULL);
- if (!obj)
- return JS_FALSE;
- *rval = OBJECT_TO_JSVAL(obj);
- }
- str = (argc == 0)
- ? JS_InternString(cx, "")
- : JS_ValueToString(cx, argv[0]);
- if (!str) {
- JS_ReportErrorNumber(cx, JSFile_GetErrorMessage, NULL,
- JSFILEMSG_FIRST_ARGUMENT_CONSTRUCTOR_NOT_STRING_ERROR,
- argv[0]);
- return JS_FALSE;
- }
- file = file_init(cx, obj, JS_GetStringBytes(str));
- if (!file)
- return JS_FALSE;
- SECURITY_CHECK(cx, NULL, "constructor", file);
- return JS_TRUE;
- }
- /* -------------------- File methods and properties ------------------------- */
- static JSFunctionSpec file_functions[] = {
- { "open", file_open, 0},
- { "close", file_close, 0},
- { "remove", file_remove, 0},
- { "copyTo", file_copyTo, 0},
- { "renameTo", file_renameTo, 0},
- { "flush", file_flush, 0},
- { "seek", file_seek, 0},
- { "read", file_read, 0},
- { "readln", file_readln, 0},
- { "readAll", file_readAll, 0},
- { "write", file_write, 0},
- { "writeln", file_writeln, 0},
- { "writeAll", file_writeAll, 0},
- { "list", file_list, 0},
- { "mkdir", file_mkdir, 0},
- { "toString", file_toString, 0},
- { "toURL", file_toURL, 0},
- {0}
- };
- enum file_tinyid {
- FILE_LENGTH = -2,
- FILE_PARENT = -3,
- FILE_PATH = -4,
- FILE_NAME = -5,
- FILE_ISDIR = -6,
- FILE_ISFILE = -7,
- FILE_EXISTS = -8,
- FILE_CANREAD = -9,
- FILE_CANWRITE = -10,
- FILE_OPEN = -11,
- FILE_TYPE = -12,
- FILE_MODE = -13,
- FILE_CREATED = -14,
- FILE_MODIFIED = -15,
- FILE_SIZE = -16,
- FILE_RANDOMACCESS = -17,
- FILE_POSITION = -18,
- FILE_APPEND = -19,
- FILE_REPLACE = -20,
- FILE_AUTOFLUSH = -21,
- FILE_ISNATI