namespace Msp {
namespace IO {
-Memory::Memory(char *d, unsigned s)
+Memory::Memory(char *d, unsigned s, Mode m)
{
- init(d, d+s, M_RDWR);
+ init(d, d+s, m);
}
-Memory::Memory(char *b, char *e)
+Memory::Memory(char *b, char *e, Mode m)
{
- init(b, e, M_RDWR);
+ init(b, e, m);
}
Memory::Memory(const char *cd, unsigned s)
mode = m;
}
+void Memory::set_block(bool)
+{
+ throw logic_error("Memory::set_block");
+}
+
+void Memory::set_inherit(bool)
+{
+ throw logic_error("Memory::set_inherit");
+}
+
unsigned Memory::do_write(const char *buf, unsigned size)
{
check_access(M_WRITE);
unsigned Memory::do_read(char *buf, unsigned size)
{
+ check_access(M_READ);
+
if(pos==end)
{
set_eof();
unsigned Memory::put(char c)
{
check_access(M_WRITE);
+
+ if(pos==end)
+ return 0;
+
*pos++ = c;
return 1;
}
bool Memory::getline(string &line)
{
+ check_access(M_READ);
+
+ if(pos==end)
+ {
+ set_eof();
+ return false;
+ }
+
char *nl = find(pos, end, '\n');
line.assign(pos, nl);
- bool result = (nl!=pos);
- pos = nl;
- return result;
+ pos = (nl==end ? end : nl+1);
+ return true;
}
int Memory::get()
{
+ check_access(M_READ);
+
if(pos==end)
{
set_eof();
return static_cast<unsigned char>(*pos++);
}
+const Handle &Memory::get_handle(Mode)
+{
+ throw logic_error("Memory::get_handle");
+}
+
SeekOffset Memory::seek(SeekOffset off, SeekType type)
{
char *new_pos;
throw invalid_argument("Memory::seek");
if(new_pos<begin || new_pos>end)
- throw out_of_range("Memory::seek");
+ throw bad_seek(off, type);
pos = new_pos;
+ eof_flag = false;
return pos-begin;
}