155 lines
4.4 KiB
C++
155 lines
4.4 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1 (the
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* "License"); you may not use this file except in compliance with the License. You may obtain
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* a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is [Open Source Virtual Machine.]
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*
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* The Initial Developer of the Original Code is Adobe System Incorporated. Portions created
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* by the Initial Developer are Copyright (C)[ 2004-2006 ] Adobe Systems Incorporated. All Rights
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* Reserved.
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*
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* Contributor(s): Adobe AS3 Team
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*
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* Alternatively, the contents of this file may be used under the terms of either the GNU
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* General Public License Version 2 or later (the "GPL"), or the GNU Lesser General Public
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* License Version 2.1 or later (the "LGPL"), in which case the provisions of the GPL or the
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* LGPL are applicable instead of those above. If you wish to allow use of your version of this
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* file only under the terms of either the GPL or the LGPL, and not to allow others to use your
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* version of this file under the terms of the MPL, indicate your decision by deleting provisions
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* above and replace them with the notice and other provisions required by the GPL or the
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* LGPL. If you do not delete the provisions above, a recipient may use your version of this file
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* under the terms of any one of the MPL, the GPL or the LGPL.
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*
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***** END LICENSE BLOCK ***** */
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#include "avmshell.h"
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#include <stdlib.h>
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namespace avmshell
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{
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BEGIN_NATIVE_MAP(FileClass)
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NATIVE_METHOD(avmplus_File_exists, FileClass::exists)
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NATIVE_METHOD(avmplus_File_read, FileClass::read)
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NATIVE_METHOD(avmplus_File_write, FileClass::write)
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END_NATIVE_MAP()
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FileClass::FileClass(VTable *cvtable)
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: ClassClosure(cvtable)
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{
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createVanillaPrototype();
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}
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bool FileClass::exists(Stringp filename)
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{
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if (!filename) {
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toplevel()->throwArgumentError(kNullArgumentError, "filename");
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}
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UTF8String* filenameUTF8 = filename->toUTF8String();
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FILE *fp = fopen(filenameUTF8->c_str(), "r");
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if (fp != NULL) {
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fclose(fp);
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return true;
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}
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return false;
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}
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Stringp FileClass::read(Stringp filename)
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{
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Toplevel* toplevel = this->toplevel();
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AvmCore* core = this->core();
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if (!filename) {
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toplevel->throwArgumentError(kNullArgumentError, "filename");
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}
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UTF8String* filenameUTF8 = filename->toUTF8String();
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FILE *fp = fopen(filenameUTF8->c_str(), "r");
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if (fp == NULL) {
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toplevel->throwError(kFileOpenError, filename);
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}
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fseek(fp, 0L, SEEK_END);
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long len = ftell(fp);
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rewind(fp);
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unsigned char *c = new unsigned char[len+1];
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len = fread(c, 1, len, fp);
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c[len] = 0;
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fclose(fp);
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if (len >= 3)
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{
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// UTF8 BOM
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if ((c[0] == 0xef) && (c[1] == 0xbb) && (c[2] == 0xbf))
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{
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return core->newString(((char *)c) + 3, len - 3);
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}
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else if ((c[0] == 0xfe) && (c[1] == 0xff))
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{
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//UTF-16 big endian
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c += 2;
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len = (len - 2) >> 1;
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Stringp out = new (core->GetGC()) String(len);
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wchar *buffer = out->lockBuffer();
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for (long i = 0; i < len; i++)
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{
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buffer[i] = (c[0] << 8) + c[1];
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c += 2;
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}
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out->unlockBuffer();
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return out;
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}
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else if ((c[0] == 0xff) && (c[1] == 0xfe))
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{
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//UTF-16 little endian
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c += 2;
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len = (len - 2) >> 1;
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Stringp out = new (core->GetGC()) String(len);
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wchar *buffer = out->lockBuffer();
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for (long i = 0; i < len; i++)
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{
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buffer[i] = (c[1] << 8) + c[0];
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c += 2;
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}
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out->unlockBuffer();
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return out;
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}
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}
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Stringp out = core->newString((char *) c);
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delete [] c;
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return out;
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}
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void FileClass::write(Stringp filename,
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Stringp data)
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{
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Toplevel* toplevel = this->toplevel();
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if (!filename) {
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toplevel->throwArgumentError(kNullArgumentError, "filename");
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}
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if (!data) {
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toplevel->throwArgumentError(kNullArgumentError, "data");
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}
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UTF8String* filenameUTF8 = filename->toUTF8String();
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FILE *fp = fopen(filenameUTF8->c_str(), "w");
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if (fp == NULL) {
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toplevel->throwError(kFileWriteError, filename);
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}
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UTF8String* dataUTF8 = data->toUTF8String();
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fwrite(dataUTF8->c_str(), dataUTF8->length(), 1, fp);
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fclose(fp);
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}
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}
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