v8-shell-getchar+getline-path

Index: test/shell/getline.js
===================================================================
--- test/shell/getline.js   (revision 0)
+++ test/shell/getline.js   (working copy)
@@ -0,0 +1,3 @@
+
+var line = getline();
+print('line:\''+line+'\'');
Index: test/shell/getchar.js
===================================================================
--- test/shell/getchar.js   (revision 0)
+++ test/shell/getchar.js   (working copy)
@@ -0,0 +1,3 @@
+
+var char = getchar();
+print('char:\''+char+'\'');
Index: samples/shell.cc
===================================================================
--- samples/shell.cc    (revision 13664)
+++ samples/shell.cc    (working copy)
@@ -58,6 +58,8 @@
 v8::Handle<v8::Value> Quit(const v8::Arguments& args);
 v8::Handle<v8::Value> Version(const v8::Arguments& args);
 v8::Handle<v8::String> ReadFile(const char* name);
+v8::Handle<v8::Value> GetChar(const v8::Arguments& args);
+v8::Handle<v8::Value> GetLine(const v8::Arguments& args);
 void ReportException(v8::TryCatch* handler);


@@ -99,6 +101,10 @@
   v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New();
   // Bind the global 'print' function to the C++ Print callback.
   global->Set(v8::String::New("print"), v8::FunctionTemplate::New(Print));
+  // Bind the global 'getchar' function to the C++ GetChar callback.
+  global->Set(v8::String::New("getchar"), v8::FunctionTemplate::New(GetChar));
+  // Bind the global 'getline' function to the C++ GetLine callback.
+  global->Set(v8::String::New("getline"), v8::FunctionTemplate::New(GetLine));
   // Bind the global 'read' function to the C++ Read callback.
   global->Set(v8::String::New("read"), v8::FunctionTemplate::New(Read));
   // Bind the global 'load' function to the C++ Load callback.
@@ -203,6 +209,7 @@
   rewind(file);

   char* chars = new char[size + 1];
+  assert(chars);
   chars[size] = '\0';
   for (int i = 0; i < size;) {
     int read = static_cast<int>(fread(&chars[i], 1, size - i, file));
@@ -214,7 +221,44 @@
   return result;
 }

+// Get one char from 'stdin'
+v8::Handle<v8::Value> GetChar(const v8::Arguments& args) {
+  (void)args;

+  if ( feof(stdin) ) return v8::Handle<v8::String>();
+
+  char chars[2] = {0};
+  int read = fread(&chars[0], 1, 1, stdin);
+  if ( read != 1 ) return v8::Handle<v8::String>();
+
+  return v8::String::New(&chars[0], 1);
+}
+
+// Read one line from 'stdin'
+v8::Handle<v8::Value> GetLine(const v8::Arguments& args) {
+  (void)args;
+
+  if ( feof(stdin) ) return v8::Handle<v8::String>();
+
+  const int size = 4096;
+  char* chars = new char[size + 1];
+  assert(chars);
+
+  char *line = fgets(chars, size, stdin);
+  if ( !line ) return v8::Handle<v8::String>();
+
+  int len = strlen(line);
+  if ( len > 0 && line[len-1] == '\n' ) {
+    len = len-1;
+    line[len] = '\0';
+  }
+
+  v8::Handle<v8::String> result = v8::String::New(line, len);
+  delete[] chars;
+
+  return result;
+}
+
 // Process remaining command line arguments and execute files
 int RunMain(int argc, char* argv[]) {
   for (int i = 1; i < argc; i++) {