ABP/Android V8 integration code

jni/fileOps.cpp

 /*
  * This file is part of the Adblock Plus,
  * Copyright (C) 2006-2012 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/stat.h>
-#include <android/log.h>
+#include "debug.h"
 #include "ops.h"
 
 v8::Handle<v8::Value> fileExistsImpl(const v8::Arguments& args)
 {
-  v8::HandleScope handle_scope;
-
-  if (args.Length() < 1)
-  {
-    return v8::ThrowException(v8::String::New("File name expected"));
-  }
-  v8::String::AsciiValue fileName(args[0]);
-  if (!*fileName)
-  {
-    return v8::ThrowException(v8::String::New("File name isn't a string"));
-  }
-  __android_log_print(ANDROID_LOG_INFO, "JS", "fileExists(%s)", *fileName);
+  D(D_WARN, "fileExists()");
+  v8::HandleScope handle_scope;
+
+  if (args.Length() < 1)
+  {
+    return v8::ThrowException(v8::String::New("File name expected"));
+  }
+  v8::String::AsciiValue fileName(args[0]);
+  if (!*fileName)
+  {
+    return v8::ThrowException(v8::String::New("File name isn't a string"));
+  }
+  D(D_INFO, "fileExists(%s)", *fileName);
 
   struct stat buf;
   int result = stat(*fileName, &buf);
 
   return v8::Boolean::New(result == 0 && S_ISREG(buf.st_mode));
 }
 
 v8::Handle<v8::Value> fileLastModifiedImpl(const v8::Arguments& args)
 {
-  v8::HandleScope handle_scope;
-
-  if (args.Length() < 1)
-  {
-    return v8::ThrowException(v8::String::New("File name expected"));
-  }
-  v8::String::AsciiValue fileName(args[0]);
-  if (!*fileName)
-  {
-    return v8::ThrowException(v8::String::New("File name isn't a string"));
-  }
-  __android_log_print(ANDROID_LOG_INFO, "JS", "fileLastModified(%s)", *fileName);
+  D(D_WARN, "fileLastModified()");
+  v8::HandleScope handle_scope;
+
+  if (args.Length() < 1)
+  {
+    return v8::ThrowException(v8::String::New("File name expected"));
+  }
+  v8::String::AsciiValue fileName(args[0]);
+  if (!*fileName)
+  {
+    return v8::ThrowException(v8::String::New("File name isn't a string"));
+  }
+  D(D_INFO, "fileLastModified(%s)", *fileName);
 
   struct stat buf;
   int result = stat(*fileName, &buf);
 
   return v8::Number::New((double)buf.st_mtime * 1000);
 }
 
 v8::Handle<v8::Value> fileRemoveImpl(const v8::Arguments& args)
 {
-  v8::HandleScope handle_scope;
-
-  if (args.Length() < 1)
-  {
-    return v8::ThrowException(v8::String::New("File name expected"));
-  }
-  v8::String::AsciiValue fileName(args[0]);
-  if (!*fileName)
-  {
-    return v8::ThrowException(v8::String::New("File name isn't a string"));
-  }
-  __android_log_print(ANDROID_LOG_INFO, "JS", "fileRemove(%s)", *fileName);
+  D(D_WARN, "fileRemove()");
+  v8::HandleScope handle_scope;
+
+  if (args.Length() < 1)
+  {
+    return v8::ThrowException(v8::String::New("File name expected"));
+  }
+  v8::String::AsciiValue fileName(args[0]);
+  if (!*fileName)
+  {
+    return v8::ThrowException(v8::String::New("File name isn't a string"));
+  }
+  D(D_INFO, "fileRemove(%s)", *fileName);
 
   int result = unlink(*fileName);
 
   if (result == 0)
     return v8::Undefined();
   else
     return v8::ThrowException(v8::String::New("File couldn't be removed"));
 }
 
 v8::Handle<v8::Value> fileRenameImpl(const v8::Arguments& args)
 {
+  D(D_WARN, "fileRename()");
   v8::HandleScope handle_scope;
 
   if (args.Length() < 2)
   {
     return v8::ThrowException(v8::String::New("File names expected"));
   }
   v8::String::AsciiValue fileName(args[0]);
   if (!*fileName)
   {
     return v8::ThrowException(v8::String::New("File name isn't a string"));
   }
 
   v8::String::AsciiValue newPath(args[1]);
   if (!*newPath)
   {
     return v8::ThrowException(v8::String::New("File name isn't a string"));
   }
-  __android_log_print(ANDROID_LOG_INFO, "JS", "fileRename(%s, %s)", *fileName, *newPath);
+  D(D_INFO, "fileRename(%s, %s)", *fileName, *newPath);
 
   int result = rename(*fileName, *newPath);
 
   if (result == 0)
     return v8::Undefined();
   else
     return v8::ThrowException(v8::String::New("File couldn't be renamed"));
 }
 
 v8::Handle<v8::Value> fileReadImpl(const v8::Arguments& args)
 {
-  v8::HandleScope handle_scope;
-
-  if (args.Length() < 1)
-  {
-    return v8::ThrowException(v8::String::New("File name expected"));
-  }
-  v8::String::AsciiValue fileName(args[0]);
-  if (!*fileName)
-  {
-    return v8::ThrowException(v8::String::New("File name isn't a string"));
-  }
-  __android_log_print(ANDROID_LOG_INFO, "JS", "fileRead(%s)", *fileName);
+  D(D_WARN, "fileRead()");
+  v8::HandleScope handle_scope;
+
+  if (args.Length() < 1)
+  {
+    return v8::ThrowException(v8::String::New("File name expected"));
+  }
+  v8::String::AsciiValue fileName(args[0]);
+  if (!*fileName)
+  {
+    return v8::ThrowException(v8::String::New("File name isn't a string"));
+  }
+  D(D_INFO, "JS", "fileRead(%s)", *fileName);
 
   FILE* file = fopen(*fileName, "rb");
   if (!file)
   {
     v8::Handle<v8::String> fileNameString = v8::String::New(*fileName);
     return v8::ThrowException(v8::String::Concat(v8::String::New("Failed opening file: "), fileNameString));
   }
 
   fseek(file, 0, SEEK_END);
   long size = ftell(file);
@@ skipping 13 matching lines @@
     return v8::ThrowException(v8::String::New("File read error"));
   }
 
   v8::Handle<v8::String> data = v8::String::New(buffer, size);
   delete buffer;
   return data;
 }
 
 v8::Handle<v8::Value> fileWriteImpl(const v8::Arguments& args)
 {
-  v8::HandleScope handle_scope;
-
-  if (args.Length() < 1)
-  {
-    return v8::ThrowException(v8::String::New("File name expected"));
-  }
-  v8::String::AsciiValue fileName(args[0]);
-  if (!*fileName)
-  {
-    return v8::ThrowException(v8::String::New("File name isn't a string"));
-  }
-  __android_log_print(ANDROID_LOG_INFO, "JS", "fileWrite(%s)", *fileName);
+  D(D_WARN, "fileWrite()");
+  v8::HandleScope handle_scope;
+
+  if (args.Length() < 1)
+  {
+    return v8::ThrowException(v8::String::New("File name expected"));
+  }
+  v8::String::AsciiValue fileName(args[0]);
+  if (!*fileName)
+  {
+    return v8::ThrowException(v8::String::New("File name isn't a string"));
+  }
+  D(D_INFO, "fileWrite(%s)", *fileName);
 
   if (args.Length() < 2)
   {
     return v8::ThrowException(v8::String::New("Data to write expected"));
   }
   v8::String::Utf8Value data(args[1]);
   if (!*data)
   {
     return v8::ThrowException(v8::String::New("Data to write is not a string"));
   }
 
   FILE* file = fopen(*fileName, "wb");
   if (!file)
   {
     v8::Handle<v8::String> fileNameString = v8::String::New(*fileName);
     return v8::ThrowException(v8::String::Concat(v8::String::New("Failed opening file: "), fileNameString));
   }
 
   size_t writeSize = fwrite(*data, 1, data.length(), file);
   fclose(file);
 
   if (data.length() != writeSize)
   {
     fileRemoveImpl(args);
     return v8::ThrowException(v8::String::New("File write error"));
   }
 
   return v8::Undefined();
 }