X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fmemory.cpp;h=616150f0ab72937e40989ae19dcdd401d5a95981;hp=274f6bae91c1a6a1d53f67be3872319bdae85bc2;hb=c8bf2d6c15893ccc9dbc4e04611b7229029f4808;hpb=d16185720fa344263367dbd50c61bfc8183d99a4

diff --git a/source/io/memory.cpp b/source/io/memory.cpp
index 274f6ba..616150f 100644
--- a/source/io/memory.cpp
+++ b/source/io/memory.cpp
@@ -8,17 +8,17 @@ using namespace std;
 namespace Msp {
 namespace IO {
 
-Memory::Memory(char *d, unsigned s)
+Memory::Memory(char *d, size_t 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)
+Memory::Memory(const char *cd, size_t s)
 {
 	char *d = const_cast<char *>(cd);
 	init(d, d+s, M_READ);
@@ -37,39 +37,57 @@ void Memory::init(char *b, char *e, Mode m)
 	mode = m;
 }
 
-unsigned Memory::do_write(const char *buf, unsigned size)
+void Memory::set_block(bool)
+{
+	throw logic_error("Memory::set_block");
+}
+
+void Memory::set_inherit(bool)
+{
+	throw logic_error("Memory::set_inherit");
+}
+
+size_t Memory::do_write(const char *buf, size_t size)
 {
 	check_access(M_WRITE);
 
-	size = min<unsigned>(size, end-pos);
+	size = min<size_t>(size, end-pos);
 	memcpy(pos, buf, size);
 	pos += size;
 	return size;
 }
 
-unsigned Memory::do_read(char *buf, unsigned size)
+size_t Memory::do_read(char *buf, size_t size)
 {
+	check_access(M_READ);
+
 	if(pos==end)
 	{
 		set_eof();
 		return 0;
 	}
 
-	size = min<unsigned>(size, end-pos);
+	size = min<size_t>(size, end-pos);
 	memcpy(buf, pos, size);
 	pos += size;
 	return size;
 }
 
-unsigned Memory::put(char c)
+size_t 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();
@@ -84,6 +102,8 @@ bool Memory::getline(string &line)
 
 int Memory::get()
 {
+	check_access(M_READ);
+
 	if(pos==end)
 	{
 		set_eof();
@@ -93,6 +113,11 @@ int Memory::get()
 	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;
@@ -106,9 +131,10 @@ SeekOffset Memory::seek(SeekOffset off, SeekType type)
 		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;
 }