X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fmemory.cpp;h=c5aee1e0536e040e72187172b2c084269596cce9;hp=fa8f9053de029e3965f1fd4c261a43e6c4a69c1c;hb=481b844ed7d180ffbf70223075f2fc1ffdb5b444;hpb=82d74297d5b469b0a506d7010a84ab5115cd88ee

diff --git a/source/io/memory.cpp b/source/io/memory.cpp
index fa8f905..c5aee1e 100644
--- a/source/io/memory.cpp
+++ b/source/io/memory.cpp
@@ -8,14 +8,14 @@ using namespace std;
 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)
@@ -37,6 +37,11 @@ void Memory::init(char *b, char *e, Mode m)
 	mode = m;
 }
 
+void Memory::set_block(bool)
+{
+	throw logic_error("Memory::set_block");
+}
+
 unsigned Memory::do_write(const char *buf, unsigned size)
 {
 	check_access(M_WRITE);
@@ -49,6 +54,8 @@ unsigned Memory::do_write(const char *buf, unsigned size)
 
 unsigned Memory::do_read(char *buf, unsigned size)
 {
+	check_access(M_READ);
+
 	if(pos==end)
 	{
 		set_eof();
@@ -64,21 +71,34 @@ unsigned Memory::do_read(char *buf, unsigned size)
 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();
@@ -88,6 +108,11 @@ 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;
@@ -101,9 +126,10 @@ 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;
 }