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-rw-r--r--noatun-plugins/oblique/kbuffer.cpp87
1 files changed, 87 insertions, 0 deletions
diff --git a/noatun-plugins/oblique/kbuffer.cpp b/noatun-plugins/oblique/kbuffer.cpp
new file mode 100644
index 0000000..f54110e
--- /dev/null
+++ b/noatun-plugins/oblique/kbuffer.cpp
@@ -0,0 +1,87 @@
+// Author: Eray Ozkural (exa) <erayo@cs.bilkent.edu.tr>, (c) 2002
+//
+// Copyright: GNU LGPL: http://www.gnu.org/licenses/lgpl.html
+
+#include "kbuffer.h"
+#include <algorithm>
+#include <iostream>
+#include <iomanip>
+
+KBuffer::KBuffer()
+{
+ bufPos = buf.end(); // will become 0 in the beginning
+}
+
+KBuffer::~KBuffer(){
+}
+
+/** open a memory buffer */
+bool KBuffer::open(int ) {
+ // ignore mode
+ buf.erase(buf.begin(), buf.end()); // erase buffer
+ buf.reserve(8); // prevent iterators from ever being 0 and start with a reasonable mem
+ bufPos = buf.end(); // reset position
+ return true;
+}
+
+/** Close buffer */
+void KBuffer::close(){
+}
+
+/** No descriptions */
+void KBuffer::flush(){
+}
+
+/** query buffer size */
+Q_ULONG KBuffer::size() const {
+ return buf.size();
+}
+
+/** read a block of memory from buffer, advances read/write position */
+Q_LONG KBuffer::readBlock(char* data, long unsigned int maxLen) {
+ int len;
+ if ((long unsigned)(buf.end()-bufPos) > maxLen)
+ len = maxLen;
+ else
+ len = buf.end()-bufPos;
+ std::vector<char>::iterator bufPosNew = bufPos + len;
+ for (std::vector<char>::iterator it=bufPos; it < bufPosNew; it++, data++)
+ *data = *it;
+ bufPos = bufPosNew;
+ return len;
+}
+
+/** write a block of memory into buffer */
+Q_LONG KBuffer::writeBlock(const char *data, long unsigned int len){
+ int pos = bufPos-buf.begin();
+ copy(data, data+len, inserter(buf,bufPos));
+ bufPos = buf.begin() + pos + len;
+ return len;
+}
+
+/** read a byte */
+int KBuffer::getch() {
+ if (bufPos!=buf.end())
+ return *(bufPos++);
+ else
+ return -1;
+}
+
+/** write a byte */
+int KBuffer::putch(int c) {
+ int pos = bufPos-buf.begin();
+ buf.insert(bufPos, c);
+ bufPos = buf.begin() + pos + 1;
+ return c;
+}
+
+/** undo last getch()
+ */
+int KBuffer::ungetch(int c) {
+ if (bufPos!=buf.begin()) {
+ bufPos--;
+ return c;
+ }
+ else
+ return -1;
+}