Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/nsgmls/SdText.C

@@ -0,0 +1,87 @@
+/* $XConsortium: SdText.C /main/1 1996/07/29 17:03:53 cde-hp $ */
+// 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()
+{
+}
+
+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