From 1d601f27be23ceca06ea6412b4059b6bca355e92 Mon Sep 17 00:00:00 2001
From: David Tardon <dtardon@redhat.com>
Date: Sat, 26 Mar 2016 10:02:32 +0100
Subject: t602: parse header

---
 configure.ac           |   4 ++
 src/lib/T602Header.cpp | 119 ++++++++++++++++++++++++++++++++++++++++++++++++-
 src/lib/T602Header.h   |  25 +++++++++++
 3 files changed, 147 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index da9f487..fce7d1e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,10 @@ AC_SUBST(REVENGE_LIBS)
 AC_CHECK_HEADERS(
         boost/iterator/iterator_facade.hpp \
         boost/optional.hpp \
+        boost/spirit/include/phoenix_core.hpp \
+        boost/spirit/include/phoenix_operator.hpp \
+        boost/spirit/include/qi_core.hpp \
+        boost/spirit/include/qi_eol.hpp \
         boost/scoped_ptr.hpp \
         boost/shared_ptr.hpp \
         ,
diff --git a/src/lib/T602Header.cpp b/src/lib/T602Header.cpp
index 454e21e..5ae7591 100644
--- a/src/lib/T602Header.cpp
+++ b/src/lib/T602Header.cpp
@@ -9,16 +9,83 @@
 
 #include "T602Header.h"
 
+#include <boost/spirit/include/phoenix_core.hpp>
+#include <boost/spirit/include/phoenix_operator.hpp>
+#include <boost/spirit/include/qi_core.hpp>
+#include <boost/spirit/include/qi_eol.hpp>
+
+#include "SW602StreamIterator.h"
+
 namespace libsw602
 {
 
 T602Header::T602Header()
   : m_valid(false)
+  , m_encoding(SW602Document::ENCODING_UNSPECIFIED)
+  , m_header()
+  , m_footer()
+  , m_lineHeight(1)
+  , m_leftMargin(0)
+  , m_rightMargin(0)
+  , m_topMargin(0)
+  , m_bottomMargin(0)
+  , m_pageLength(0)
+  , m_tabStr()
 {
 }
 
-void T602Header::construct(librevenge::RVNGInputStream &/*input*/)
+void T602Header::construct(librevenge::RVNGInputStream &input)
 {
+  namespace qi = boost::spirit::qi;
+  namespace phx = boost::phoenix;
+  using qi::_1;
+  using qi::ascii::upper;
+  using qi::ascii::char_;
+  using qi::eol;
+  using qi::lit;
+  using qi::repeat;
+  using qi::uint_;
+
+  qi::symbols<char, SW602Document::Encoding> encoding;
+  encoding.add
+  ("0", SW602Document::ENCODING_KEYBCS2)
+  ("1", SW602Document::ENCODING_LATIN2)
+  ("2", SW602Document::ENCODING_KOI8CS)
+  ;
+  qi::symbols<char, double> lineHeight;
+  lineHeight.add
+  ("3", 2)
+  ("4", 1.5)
+  ("6", 1)
+  ;
+
+  bool known = false;
+  SW602StreamIterator it(input);
+  const bool result =
+    qi::parse(it, SW602StreamIterator(),
+              +(
+                lit('@')
+                > (
+                  (
+                    (lit("CT") > ' ' > encoding[phx::ref(m_encoding) = _1])
+                    | (lit("HE") > ' ' > +(char_ - '\r')[phx::ref(m_header) += _1])
+                    | (lit("FO") > ' ' > +(char_ - '\r')[phx::ref(m_footer) += _1])
+                    | (lit("LH") > ' ' > lineHeight[phx::ref(m_lineHeight) = _1])
+                    | (lit("LM") > ' ' > uint_[phx::ref(m_leftMargin) = _1])
+                    | (lit("MT") > ' ' > uint_[phx::ref(m_topMargin) = _1])
+                    | (lit("MB") > ' ' > uint_[phx::ref(m_bottomMargin) = _1])
+                    | (lit("PL") > ' ' > uint_[phx::ref(m_pageLength) = _1])
+                    | (lit("RM") > ' ' > uint_[phx::ref(m_rightMargin) = _1])
+                    | (lit("TB") > ' ' > +(char_ - '\r')[phx::ref(m_tabStr) += _1])
+                  )[phx::ref(known) = true]
+                  | (repeat(2)[upper] > ' ' > *(char_ - '\r')) // unhandled controls
+                )
+                > eol
+              )
+             )
+    ;
+
+  m_valid = result && known;
 }
 
 bool T602Header::isValid() const
@@ -26,6 +93,56 @@ bool T602Header::isValid() const
   return m_valid;
 }
 
+SW602Document::Encoding T602Header::encoding() const
+{
+  return m_encoding;
+}
+
+const std::string &T602Header::header() const
+{
+  return m_header;
+}
+
+const std::string &T602Header::footer() const
+{
+  return m_footer;
+}
+
+double T602Header::lineHeight() const
+{
+  return m_lineHeight;
+}
+
+unsigned T602Header::leftMargin() const
+{
+  return m_leftMargin;
+}
+
+unsigned T602Header::rightMargin() const
+{
+  return m_rightMargin;
+}
+
+unsigned T602Header::topMargin() const
+{
+  return m_topMargin;
+}
+
+unsigned T602Header::bottomMargin() const
+{
+  return m_bottomMargin;
+}
+
+unsigned T602Header::pageLength() const
+{
+  return m_pageLength;
+}
+
+const std::string &T602Header::tabs() const
+{
+  return m_tabStr;
+}
+
 } // namespace libsw602
 
 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
diff --git a/src/lib/T602Header.h b/src/lib/T602Header.h
index da5dd65..bd6ccd0 100644
--- a/src/lib/T602Header.h
+++ b/src/lib/T602Header.h
@@ -10,8 +10,12 @@
 #ifndef INCLUDED_T602HEADER_H
 #define INCLUDED_T602HEADER_H
 
+#include <string>
+
 #include <librevenge-stream/librevenge-stream.h>
 
+#include <libsw602/libsw602.h>
+
 namespace libsw602
 {
 
@@ -24,8 +28,29 @@ public:
 
   bool isValid() const;
 
+  SW602Document::Encoding encoding() const;
+  const std::string &header() const;
+  const std::string &footer() const;
+  double lineHeight() const;
+  unsigned leftMargin() const;
+  unsigned rightMargin() const;
+  unsigned topMargin() const;
+  unsigned bottomMargin() const;
+  unsigned pageLength() const;
+  const std::string &tabs() const;
+
 private:
   bool m_valid;
+  SW602Document::Encoding m_encoding;
+  std::string m_header;
+  std::string m_footer;
+  double m_lineHeight;
+  unsigned m_leftMargin;
+  unsigned m_rightMargin;
+  unsigned m_topMargin;
+  unsigned m_bottomMargin;
+  unsigned m_pageLength;
+  std::string m_tabStr;
 };
 
 } // namespace libsw602
-- 
cgit v1.2.3