most of JHostIO / m_Do_hostIO done (#2288)

src/JSystem/JSupport/JSUOutputStream.cpp

@@ -0,0 +1,59 @@
+#include "JSystem/JSupport/JSUOutputStream.h"
+#include "JSystem/JSupport/JSURandomOutputStream.h"
+#include <dolphin.h>
+#include <cstring.h>
+
+JSUOutputStream::~JSUOutputStream() {
+    if (!isGood()) {
+        OS_REPORT("JSUOutputStream: occur error.\n");
+    }
+}
+
+s32 JSUOutputStream::write(const void* buffer, s32 numBytes) {
+    s32 bytesWrote = writeData(buffer, numBytes);
+    if (bytesWrote != numBytes) {
+        setState(IOS_STATE_1);
+    }
+    return bytesWrote;
+}
+
+void JSUOutputStream::write(const char* str) {
+    if (str == NULL) {
+        u16 spA = 0;
+        if (writeData(&spA, sizeof(spA)) != sizeof(spA)) {
+            setState(IOS_STATE_1);
+        }
+    } else {
+        int len = strlen(str);
+        if (len >= 0x10000) {
+            setState(IOS_STATE_2);
+        } else {
+            u16 sp8 = len;
+            if (writeData(&sp8, sizeof(sp8)) != sizeof(sp8) || writeData(str, len) != len) {
+                setState(IOS_STATE_1);
+            }
+        }
+    }    
+}
+
+s32 JSUOutputStream::skip(s32 count, s8 param_1) {
+    s32 skipCount = 0;
+    for (; skipCount < count; skipCount++) {
+        if (writeData(&param_1, sizeof(param_1)) != sizeof(param_1)) {
+            setState(IOS_STATE_1);
+            break;
+        }
+    }
+
+    return skipCount;
+}
+
+s32 JSURandomOutputStream::seek(s32 param_0, JSUStreamSeekFrom param_1) {
+    s32 seekResult = seekPos(param_0, param_1);
+    clrState(IOS_STATE_1);
+    return seekResult;
+}
+
+s32 JSURandomOutputStream::getAvailable() const {
+    return getLength() - getPosition();
+}