87 lines
1.2 KiB
C++
87 lines
1.2 KiB
C++
#include "sstream.h"
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#include <stdlib.h>
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namespace opp {
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ostringstream::ostringstream(void)
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{
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mBuffer = nullptr;
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mBFill = mBSize = 0;
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}
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ostringstream::~ostringstream(void)
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{
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free(mBuffer);
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}
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void ostringstream::bput(char ch)
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{
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if (!mBuffer)
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{
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mBSize = 15;
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mBFill = 0;
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mBuffer = malloc(15);
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}
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else if (mBFill == mBSize)
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{
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mBSize *= 2;
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char * b = malloc(mBSize);
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for(char i=0; i<mBFill; i++)
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b[i] = mBuffer[i];
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free(mBuffer);
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mBuffer = b;
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}
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mBuffer[mBFill++] = ch;
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}
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string ostringstream::str(void) const
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{
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return string(mBuffer, mBFill);
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}
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void ostringstream::str(const string & str)
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{
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mBFill = str.size();
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if (mBFill > mBSize)
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{
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free(mBuffer);
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mBSize = mBFill;
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mBuffer = malloc(mBSize);
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}
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str.copyseg(mBuffer, 0, mBFill);
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}
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istringstream::istringstream(const string & str)
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: mString(str), mSPos(0)
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{}
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istringstream::~istringstream(void)
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{}
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string istringstream::str(void) const
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{
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return mString;
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}
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void istringstream::str(const string & str)
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{
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mState = goodbit;
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mString = str;
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mSPos = 0;
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}
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void istringstream::refill(void)
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{
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mBufferFill = 0;
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mBufferPos = 0;
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char ch;
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while (mSPos < mString.size() && mBufferFill < 32)
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{
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mBuffer[mBufferFill++] = mString[mSPos++];
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}
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}
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}
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