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#include "IStream.proto.h"
IStream::IStream() {
m_buffer = NULL;
m_ptr = 0;
m_eof = false;
}
IStream::IStream(const IStream& other) {
m_buffer = NULL;
m_ptr = 0;
}
IStream::~IStream() {
delete m_buffer;
}
bool IStream::populate() {
if (m_eof) return false;
String s = read();
if (s.empty()) {
m_eof = true;
return false;
}
if (m_buffer == NULL) {
m_buffer = new SimpleList<String>(s);
} else {
m_buffer->addAtEnd(s);
}
return true;
}
WChar IStream::getChar() {
waitLock();
if (m_buffer == 0) {
if (!populate()) {
unlock();
return WChar("\0");
}
}
WChar ret = m_buffer->v()[m_ptr];
m_ptr++;
if (m_ptr >= m_buffer->v().size()) {
m_buffer = m_buffer->delThis();
m_ptr = 0;
}
unlock();
return ret;
}
String IStream::get(WChar delimiter) {
waitLock();
//calculate length of string to read
if (m_buffer == 0) {
unlock();
if (!populate()) return "";
}
int length = 0, ptr = m_ptr;
for (SimpleList<String> *iter = m_buffer; iter != 0;) {
if (iter->v()[ptr] == delimiter) break;
ptr++;
length++;
if (ptr >= iter->v().size()) {
if (iter->next() == 0) populate();
iter = iter->next();
ptr = 0;
}
}
//get it
String ret(WChar(" "), length);
for (int i = 0; i <= length; i++) {
if (i != length) ret[i] = m_buffer->v()[m_ptr];
m_ptr++;
if (m_ptr >= m_buffer->v().size()) {
m_buffer = m_buffer->delThis();
m_ptr = 0;
}
}
unlock();
return ret;
}
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