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

cde/programs/nsgmls/StringOf.h

@@ -0,0 +1,80 @@
+/* $XConsortium: StringOf.h /main/1 1996/07/29 17:05:21 cde-hp $ */
+// Copyright (c) 1994, 1996 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef StringOf_INCLUDED
+#define StringOf_INCLUDED 1
+
+// The file is called StringOf to distinguish it from string.h on
+// case-insensitive file systems.
+
+// This offers a subset of the interface offered by the standard C++
+// basic_string class as defined in the Jan 96 WP.
+// Code in SP currently assumes that size_type is size_t.
+
+#include <stddef.h>
+#include <string.h>
+#include "Boolean.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+template<class T>
+class String {
+public:
+  typedef size_t size_type;
+  typedef T *iterator;
+  typedef const T *const_iterator;
+  String();
+  ~String() { if (ptr_) delete [] ptr_; }
+  String(const T *, size_t);
+  String(const String<T> &);
+  String<T> &operator=(const String<T> &);
+  size_t size() const { return length_; }
+  String<T> &assign(const T *, size_t);
+  String<T> &insert(size_t i, const String<T> &s);
+  void swap(String<T> &str);
+  T operator[](size_t i) const { return ptr_[i]; }
+  T &operator[](size_t i) { return ptr_[i]; }
+  iterator begin() { return ptr_; }
+  const_iterator begin() const { return ptr_; }
+  const T *data() const { return ptr_; }
+  String<T> &operator+=(T c) {
+    if (length_ >= alloc_)
+      grow(1);
+    ptr_[length_++] = c;
+    return *this;
+  }
+  String<T> &operator+=(const String<T> &s) {
+    append(s.ptr_, s.length_);
+    return *this;
+  }
+  String<T> &append(const T *, size_t);
+  Boolean operator==(const String<T> &s) const {
+    return (length_ == s.length_
+	    && (length_ == 0
+		|| (*ptr_ == *s.ptr_
+		    && (memcmp(ptr_ + 1, s.ptr_ + 1, (length_ - 1)*sizeof(T))
+			== 0))));
+  }
+  Boolean operator!=(const String<T> &str) const {
+    return !(*this == str);
+  }
+  void resize(size_t n);
+private:
+  void grow(size_t);
+  T *ptr_;
+  size_t length_;
+  size_t alloc_;
+};
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* not StringOf_INCLUDED */
+
+#ifdef SP_DEFINE_TEMPLATES
+#include "StringOf.C"
+#endif