101 lines
1.9 KiB
C++
101 lines
1.9 KiB
C++
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// Copyright (c) 1995 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 "SdText.h"
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#ifdef SP_NAMESPACE
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namespace SP_NAMESPACE {
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#endif
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SdText::SdText()
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{
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}
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SdText::SdText(const Location &loc, Boolean lita)
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: lita_(lita)
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{
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items_.resize(items_.size() + 1);
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items_.back().loc = loc;
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items_.back().index = 0;
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}
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void SdText::addChar(SyntaxChar c, const Location &loc)
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{
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if (items_.size() == 0
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|| loc.origin().pointer() != items_.back().loc.origin().pointer()
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|| loc.index() != (items_.back().loc.index()
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+ (chars_.size() - items_.back().index))) {
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items_.resize(items_.size() + 1);
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items_.back().loc = loc;
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items_.back().index = chars_.size();
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}
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chars_ += c;
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}
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void SdText::swap(SdText &to)
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{
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items_.swap(to.items_);
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chars_.swap(to.chars_);
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{
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Boolean tem = to.lita_;
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to.lita_ = lita_;
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lita_ = tem;
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}
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}
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Location SdText::endDelimLocation() const
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{
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Location loc(items_.back().loc);
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loc += chars_.size() - items_.back().index;
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return loc;
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}
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SdTextItem::SdTextItem()
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{
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}
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SdTextItem::SdTextItem(const SdTextItem& x)
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: loc(x.loc),
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index(x.index)
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{
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}
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void SdTextItem::operator=(const SdTextItem& x)
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{
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loc = x.loc;
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index = x.index;
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}
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SdTextItem::~SdTextItem() {}
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SdTextIter::SdTextIter(const SdText &text)
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: ptr_(&text),
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itemIndex_(0)
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{
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}
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Boolean SdTextIter::next(const SyntaxChar *&ptr, size_t &length, Location &loc)
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{
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const Vector<SdTextItem> &items = ptr_->items_;
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if (itemIndex_ >= items.size())
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return 0;
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loc = items[itemIndex_].loc;
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const String<SyntaxChar> &chars = ptr_->chars_;
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size_t charsIndex = items[itemIndex_].index;
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ptr = chars.data() + charsIndex;
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if (itemIndex_ + 1 < items.size())
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length = items[itemIndex_ + 1].index - charsIndex;
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else
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length = chars.size() - charsIndex;
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itemIndex_++;
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return 1;
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}
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#ifdef SP_NAMESPACE
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}
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#endif
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