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// Copyright (c) 1995 James Clark
// See the file COPYING for copying permission.
#ifdef __GNUG__
#pragma implementation
#endif
#include "splib.h"
#include "SdText.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
SdText::SdText()
{
}
SdText::SdText(const Location &loc, Boolean lita)
: lita_(lita)
{
items_.resize(items_.size() + 1);
items_.back().loc = loc;
items_.back().index = 0;
}
void SdText::addChar(SyntaxChar c, const Location &loc)
{
if (items_.size() == 0
|| loc.origin().pointer() != items_.back().loc.origin().pointer()
|| loc.index() != (items_.back().loc.index()
+ (chars_.size() - items_.back().index))) {
items_.resize(items_.size() + 1);
items_.back().loc = loc;
items_.back().index = chars_.size();
}
chars_ += c;
}
void SdText::swap(SdText &to)
{
items_.swap(to.items_);
chars_.swap(to.chars_);
{
Boolean tem = to.lita_;
to.lita_ = lita_;
lita_ = tem;
}
}
Location SdText::endDelimLocation() const
{
Location loc(items_.back().loc);
loc += chars_.size() - items_.back().index;
return loc;
}
SdTextItem::SdTextItem()
{
}
SdTextItem::SdTextItem(const SdTextItem& x)
: loc(x.loc),
index(x.index)
{
}
void SdTextItem::operator=(const SdTextItem& x)
{
loc = x.loc;
index = x.index;
}
SdTextItem::~SdTextItem() {}
SdTextIter::SdTextIter(const SdText &text)
: ptr_(&text),
itemIndex_(0)
{
}
Boolean SdTextIter::next(const SyntaxChar *&ptr, size_t &length, Location &loc)
{
const Vector<SdTextItem> &items = ptr_->items_;
if (itemIndex_ >= items.size())
return 0;
loc = items[itemIndex_].loc;
const String<SyntaxChar> &chars = ptr_->chars_;
size_t charsIndex = items[itemIndex_].index;
ptr = chars.data() + charsIndex;
if (itemIndex_ + 1 < items.size())
length = items[itemIndex_ + 1].index - charsIndex;
else
length = chars.size() - charsIndex;
itemIndex_++;
return 1;
}
#ifdef SP_NAMESPACE
}
#endif
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