Imported Upstream version 1.49.0upstream/1.49.0

4 files changed, 271 insertions, 0 deletions

diff --git a/tools/regression/src/detail/tiny_xml.cpp b/tools/regression/src/detail/tiny_xml.cpp
new file mode 100644
index 0000000000..682c04ff7b
--- /dev/null
+++ b/tools/regression/src/detail/tiny_xml.cpp
@@ -0,0 +1,167 @@
+//  tiny XML sub-set tools implementation  -----------------------------------//
+
+//  (C) Copyright Beman Dawes 2002.  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include "tiny_xml.hpp"
+#include <cassert>
+#include <cstring>
+
+namespace
+{
+
+  void eat_whitespace( char & c, std::istream & in )
+  {
+    while ( c == ' ' || c == '\r' || c == '\n' || c == '\t' )
+      in.get( c );
+  }
+
+  std::string get_name( char & c, std::istream & in )
+  {
+    std::string result;
+    eat_whitespace( c, in );
+    while ( std::strchr(
+      "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-.", c )
+      != 0 )
+    {
+      result += c;
+      if(!in.get( c ))
+        throw std::string("xml: unexpected eof");
+    }
+    return result;
+  }
+
+  void eat_delim( char & c, std::istream & in,
+                  char delim, const std::string & msg )
+  {
+    eat_whitespace( c, in );
+    if ( c != delim )
+      throw std::string("xml syntax error, expected ") + delim
+       + " (" + msg + ")";
+    in.get( c );
+  }
+
+  std::string get_value( char & c, std::istream & in )
+  {
+    std::string result;
+    while ( c != '\"' )
+    {
+      result += c;
+      in.get( c );
+    }
+    in.get( c );
+    return result;
+  }
+
+}
+
+namespace boost
+{
+  namespace tiny_xml
+  {
+
+  //  parse  -----------------------------------------------------------------//
+
+    element_ptr parse( std::istream & in, const std::string & msg )
+    {
+      char c = 0;  // current character
+      element_ptr e( new element );
+
+      if(!in.get( c ))
+        throw std::string("xml: unexpected eof");
+      if ( c == '<' )
+        if(!in.get( c ))
+          throw std::string("xml: unexpected eof");
+
+      e->name = get_name( c, in );
+      eat_whitespace( c, in );
+
+      // attributes
+      while ( c != '>' )
+      {
+        attribute a;
+        a.name = get_name( c, in );
+
+        eat_delim( c, in, '=', msg );
+        eat_delim( c, in, '\"', msg );
+
+        a.value = get_value( c, in );
+
+        e->attributes.push_back( a );
+        eat_whitespace( c, in );
+      }
+      if(!in.get( c )) // next after '>'
+        throw std::string("xml: unexpected eof");
+
+      eat_whitespace( c, in );
+
+      // sub-elements
+      while ( c == '<' )
+      {
+        if ( in.peek() == '/' ) break;
+        e->elements.push_back( parse( in, msg ) );
+        in.get( c ); // next after '>'
+        eat_whitespace( c, in );
+      }
+
+      // content
+      if ( c != '<' )
+      {
+        e->content += '\n';
+        while ( c != '<' )
+        {
+          e->content += c;
+          if(!in.get( c ))
+            throw std::string("xml: unexpected eof");
+        }
+      }
+
+      assert( c == '<' );
+      if(!in.get( c )) // next after '<'
+        throw std::string("xml: unexpected eof");
+
+      eat_delim( c, in, '/', msg );
+      std::string end_name( get_name( c, in ) );
+      if ( e->name != end_name )
+        throw std::string("xml syntax error: beginning name ")
+          + e->name + " did not match end name " + end_name
+          + " (" + msg + ")";
+
+      eat_delim( c, in, '>', msg );
+      return e;
+    }
+
+    //  write  ---------------------------------------------------------------//
+
+    void write( const element & e, std::ostream & out )
+    {
+      out << "<" << e.name;
+      if ( !e.attributes.empty() )
+      {
+        for( attribute_list::const_iterator itr = e.attributes.begin();
+             itr != e.attributes.end(); ++itr )
+        {
+          out << " " << itr->name << "=\"" << itr->value << "\"";
+        }
+      }
+      out << ">";
+      if ( !e.elements.empty() )
+      {
+        out << "\n";
+        for( element_list::const_iterator itr = e.elements.begin();
+             itr != e.elements.end(); ++itr )
+        {
+          write( **itr, out );
+        }
+      }
+      if ( !e.content.empty() )
+      {
+        out << e.content;
+      }
+      out << "</" << e.name << ">\n";
+    }
+
+  } // namespace tiny_xml
+} // namespace boost
+
diff --git a/tools/regression/src/detail/tiny_xml.hpp b/tools/regression/src/detail/tiny_xml.hpp
new file mode 100644
index 0000000000..f9d91d2652
--- /dev/null
+++ b/tools/regression/src/detail/tiny_xml.hpp
@@ -0,0 +1,70 @@
+//  tiny XML sub-set tools  --------------------------------------------------//
+
+//  (C) Copyright Beman Dawes 2002.  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  Provides self-contained tools for this XML sub-set:
+//
+//    element ::= { "<" name { name "=" "\"" value "\"" } ">"
+//                  {element} [contents] "</" name ">" }
+//
+//  The point of "self-contained" is to minimize tool-chain dependencies.
+
+#ifndef BOOST_TINY_XML_H
+#define BOOST_TINY_XML_H
+
+#include "boost/smart_ptr.hpp" // for shared_ptr
+#include "boost/utility.hpp"   // for noncopyable
+#include <list>
+#include <iostream>
+#include <string>
+
+namespace boost
+{
+  namespace tiny_xml
+  {
+    class element;
+    struct attribute
+    {
+      std::string name;
+      std::string value;
+
+      attribute(){}
+      attribute( const std::string & name, const std::string & value )
+        : name(name), value(value) {}
+    };
+    typedef boost::shared_ptr< element >  element_ptr;
+    typedef std::list< element_ptr  >     element_list;
+    typedef std::list< attribute >        attribute_list;
+
+    class element
+      : private boost::noncopyable  // because deep copy sematics would be required
+    {
+     public:
+      std::string     name;
+      attribute_list  attributes;
+      element_list    elements;
+      std::string     content;
+
+      element() {}
+      explicit element( const std::string & name ) : name(name) {}
+    };
+
+    element_ptr parse( std::istream & in, const std::string & msg );
+    // Precondition: stream positioned at either the initial "<"
+    // or the first character after the initial "<".
+    // Postcondition: stream positioned at the first character after final
+    //  ">" (or eof).
+    // Returns: an element_ptr to an element representing the parsed stream.
+    // Throws: std::string on syntax error. msg appended to what() string.
+
+    void write( const element & e, std::ostream & out );
+
+  }
+}
+
+#endif  // BOOST_TINY_XML_H
+
+
+
diff --git a/tools/regression/src/detail/tiny_xml_test.cpp b/tools/regression/src/detail/tiny_xml_test.cpp
new file mode 100644
index 0000000000..b5c0542ba4
--- /dev/null
+++ b/tools/regression/src/detail/tiny_xml_test.cpp
@@ -0,0 +1,17 @@
+//  tiny XML test program  ---------------------------------------------------//
+
+//  Copyright Beman Dawes 2002.  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+#include "tiny_xml.hpp"
+
+#include <iostream>
+
+int main()
+{
+  boost::tiny_xml::element_ptr tree( boost::tiny_xml::parse( std::cin ) );
+  boost::tiny_xml::write( *tree, std::cout );
+  return 0;
+}
+
diff --git a/tools/regression/src/detail/tiny_xml_test.txt b/tools/regression/src/detail/tiny_xml_test.txt
new file mode 100644
index 0000000000..b248cbf062
--- /dev/null
+++ b/tools/regression/src/detail/tiny_xml_test.txt
@@ -0,0 +1,17 @@
+<root>
+<frontmatter>
+//  (C) Copyright Beman Dawes 2002.  Distributed under the Boost
+//  Software License, Version 1.0. (See accompanying file
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+</frontmatter>
+<element-1 at-1="abcd" at-2 = "defg" >
+<element-1a>
+It's Howdy Doody time!
+</element-1a>
+<element-1b>It's not Howdy Doody time!</element-1b>
+</element-1>
+<element-2>
+It's
+Eastern Standard time!
+</element-2>
+</root>