70 lines
1.3 KiB
C++
70 lines
1.3 KiB
C++
// Copyright (c) 1994 James Clark
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// See the file COPYING for copying permission.
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include "splib.h"
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#include <string.h>
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#include "InternalInputSource.h"
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#include "macros.h"
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#ifdef SP_NAMESPACE
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namespace SP_NAMESPACE {
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#endif
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InternalInputSource::InternalInputSource(const StringC &str,
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InputSourceOrigin *origin)
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: InputSource(origin, str.data(), str.data() + str.size()), buf_(0),
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contents_(&str)
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{
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}
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InternalInputSource::~InternalInputSource()
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{
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if (buf_)
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delete [] buf_;
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}
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Xchar InternalInputSource::fill(Messenger &)
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{
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return eE;
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}
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void InternalInputSource::pushCharRef(Char c, const NamedCharRef &ref)
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{
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ASSERT(cur() == start());
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noteCharRef(startIndex() + (cur() - start()), ref);
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if (buf_ == 0) {
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buf_ = new Char[end() - start() + 1];
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memcpy(buf_ + 1, cur(), (end() - start())*sizeof(Char));
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changeBuffer(buf_ + 1, cur());
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}
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moveLeft();
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*(Char *)cur() = c;
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}
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Boolean InternalInputSource::rewind(Messenger &)
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{
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reset(contents_->data(),
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contents_->data() + contents_->size());
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if (buf_) {
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delete [] buf_;
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buf_ = 0;
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}
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return 1;
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}
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const StringC *InternalInputSource::contents() {
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return contents_;
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}
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InternalInputSource *InternalInputSource::asInternalInputSource()
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{
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return this;
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}
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#ifdef SP_NAMESPACE
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}
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#endif
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