]> git.lyx.org Git - lyx.git/blobdiff - src/lyxparagraph.h
update libtool
[lyx.git] / src / lyxparagraph.h
index 31589a68bf8391c4bae81b45d9be048a6c97602a..8311f79e04bda0e4239d77f4d6fd5ddfb66cbe8e 100644 (file)
@@ -5,7 +5,7 @@
  *           LyX, The Document Processor
  *      
  *         Copyright 1995 Matthias Ettrich
- *          Copyright 1995-2000 The LyX Team.
+ *          Copyright 1995-2001 The LyX Team.
  *
  * ====================================================== */
 
 #pragma interface
 #endif
 
+#include "LString.h"
+
 #include <vector>
 #include <list>
+#include <boost/array.hpp>
 
 #include "insets/lyxinset.h"
-#include "table.h"
-#include "vspace.h"
-#include "layout.h"
-#include "support/block.h"
-#include "language.h"
+#include "ParagraphParameters.h"
+#include "support/LAssert.h"
 
 class BufferParams;
 class LyXBuffer;
@@ -32,18 +32,23 @@ class TexRow;
 struct LaTeXFeatures;
 class InsetBibKey;
 class BufferView;
+class Language;
 
-// I dare you to enable this and help me find all the bugs that then show
-// up. (Lgb)
-//#define NEW_INSETS 1
+// After 1.2.0 is released, during 1.3.0cvs, we enable this. And after
+// a while we verify that reading of 1.2.x files work perfectly we remove
+// this code completely. (Lgb)
+//#define NO_PEXTRA_REALLY 1
 
-// I dare you to try this one too. It is ortogonal with NEW_INSETS so you
-// can try both or just one of them.
-//#define NEW_TABULAR 1
+// Define this if you want to try out the new storage container for
+// paragraphs. std::container instead of obfuscated homegrown
+// linked list. (Lgb)
+// This is non working and far from finished.
+// #define NO_NEXT 1
 
 /// A LyXParagraph holds all text, attributes and insets in a text paragraph
 class LyXParagraph  {
 public:
+#ifndef NO_PEXTRA_REALLY
        ///
        enum PEXTRA_TYPE {
                ///
@@ -64,79 +69,34 @@ public:
                ///
                MINIPAGE_ALIGN_BOTTOM
        };
+#endif
        ///
        enum META_KIND {
-#ifndef NEW_INSETS
-               ///
-               META_FOOTNOTE = 1,
-               ///
-               META_MARGIN,
-               ///
-               META_FIG,
-               ///
-               META_TAB,
-               ///
-               META_ALGORITHM,
-               ///
-               META_WIDE_FIG,
-               ///
-               META_WIDE_TAB,
-               ///
-               META_HFILL,
-#else
                ///
                META_HFILL = 1,
-#endif
                ///
                META_NEWLINE,
-               //
-               //META_PROTECTED_SEPARATOR,
                ///
                META_INSET
        };
-#ifndef NEW_INSETS
-
-       /// The footnoteflag
-       enum footnote_flag {
-               ///
-               NO_FOOTNOTE,
-               ///
-               OPEN_FOOTNOTE,
-               ///
-               CLOSED_FOOTNOTE
-       };
-
-       /// The footnotekinds
-       enum footnote_kind {
-               ///
-               FOOTNOTE,
-               ///
-               MARGIN,
-               ///
-               FIG,
-               ///
-               TAB,
-               ///
-               ALGORITHM,  // Bernhard, 970807
-               ///
-               WIDE_FIG,   // CFO-G, 971106
-               ///
-               WIDE_TAB    // CFO-G, 971106
-       };
-#endif
        ///
        typedef char value_type;
        ///
        typedef std::vector<value_type> TextContainer;
        ///
-       typedef int size_type;
+       /* This should be TextContainer::size_type, but we need
+          signed values for now.
+       */
+       typedef TextContainer::difference_type size_type;
 
        ///
        LyXParagraph();
-       /// this konstruktor inserts the new paragraph in a list
+       /// this constructor inserts the new paragraph in a list
        explicit
        LyXParagraph(LyXParagraph * par);
-       /// the destruktors removes the new paragraph from the list
+       ///
+       LyXParagraph(LyXParagraph const &);
+       /// the destructor removes the new paragraph from the list
        ~LyXParagraph();
 
        ///
@@ -150,53 +110,34 @@ public:
        bool isMultiLingual(BufferParams const &);
        ///
 
-       string String(Buffer const *, bool label);
+       string const String(Buffer const *, bool label);
        ///
-       string String(Buffer const *, size_type beg, size_type end);
+       string const String(Buffer const *, size_type beg, size_type end);
        
        ///
        void writeFile(Buffer const *, std::ostream &, BufferParams const &,
-                      char, char) const;
+                      char) const;
        ///
        void validate(LaTeXFeatures &) const;
        
        ///
-       int id() const {
-               return id_;
-       }
+       int id() const;
        ///
-       void id(int id_arg) {
-               id_ = id_arg;
-       }
-
+       void id(int id_arg);
        ///
        void read();
 
        ///
        LyXParagraph * TeXOnePar(Buffer const *, BufferParams const &,
                                 std::ostream &, TexRow & texrow,
-                                bool moving_arg
-#ifndef NEW_INSETS
-                                ,
-                                std::ostream & foot, TexRow & foot_texrow,
-                                int & foot_count
-#endif
-               );
+                                bool moving_arg);
        ///
        bool SimpleTeXOnePar(Buffer const *, BufferParams const &,
                             std::ostream &, TexRow & texrow, bool moving_arg);
 
        ///
        LyXParagraph * TeXEnvironment(Buffer const *, BufferParams const &,
-                                     std::ostream &, TexRow & texrow
-#ifndef NEW_INSETS
-                                     ,std::ostream & foot, TexRow & foot_texrow,
-                                     int & foot_count
-#endif
-               );
-       ///
-       LyXParagraph * Clone() const;
-       
+                                     std::ostream &, TexRow & texrow);
        ///
        bool HasSameLayout(LyXParagraph const * par) const;
        
@@ -204,18 +145,13 @@ public:
        void MakeSameLayout(LyXParagraph const * par);
 
        /// Is it the first par with same depth and layout?
-       bool IsFirstInSequence() const {
-               LyXParagraph const * dhook = DepthHook(GetDepth());
-               return (dhook == this
-                       || dhook->GetLayout() != GetLayout()
-                       || dhook->GetDepth() != GetDepth());
-       }
+       bool IsFirstInSequence() const;
 
        /** Check if the current paragraph is the last paragraph in a
            proof environment */
        int GetEndLabel(BufferParams const &) const;
        ///
-       Inset * InInset() { return inset_owner; }
+       Inset * InInset();
        ///
        void SetInsetOwner(Inset * i);
        ///
@@ -230,153 +166,58 @@ private:
 
 public:
        ///
-       size_type size() const { return text.size(); }
+       inline
+       size_type size() const;
        ///
-       void fitToSize() {
-               text.resize(text.size());
-       }
+       void fitToSize();
        ///
-       void setContentsFromPar(LyXParagraph * par) {
-               text = par->text;
-       }
+       void setContentsFromPar(LyXParagraph * par);
        ///
-       void clearContents() {
-               text.clear();
-       }
-       
-       /// 
-       VSpace added_space_top;
-       
-       /// 
-       VSpace added_space_bottom;
+       void clearContents();
 
-       ///
-       Spacing spacing;
+       ParagraphParameters params;
        
        ///
        LyXTextClass::LayoutList::size_type layout;
-#ifndef NEW_INSETS
-       /**
-         \begin{itemize}
-         \item no footnote, closed footnote, 
-         \item open footnote, where footnote
-         \item means footnote-environment
-         \end{itemize}
-        */
-       footnote_flag footnoteflag;
-
-       /// footnote, margin, fig, tab
-       footnote_kind footnotekind;
-#endif
-       ///
-       bool line_top;
-       
-       ///
-       bool line_bottom;
-       
-       ///
-       bool pagebreak_top;
-       
-       ///
-       bool pagebreak_bottom;
-       
-       ///
-       LyXAlignment align;
-       
-       ///
-       char depth;
-       
-       ///
-        bool noindent;
-       
 private:
        ///
-       block<int, 10> counter_;
+       boost::array<int, 10> counter_;
 public:
        ///
-       void setCounter(int i, int v) { counter_[i] = v; }
-       ///
-       int getCounter(int i) const { return counter_[i]; }
+       void setCounter(int i, int v);
        ///
-       void incCounter(int i) { counter_[i]++; }
+       int getCounter(int i) const;
        ///
-       bool start_of_appendix;
-
-       ///
-       bool appendix;
+       void incCounter(int i);
 
        ///
        char enumdepth;
        
        ///
        char itemdepth;
-
-        /* This is for the paragraph extra stuff */
-        ///
-        int pextra_type;
-        ///
-        string pextra_width;
-        ///
-        string pextra_widthp;
-        ///
-        int pextra_alignment;
-        ///
-        bool pextra_hfill;
-        ///
-        bool pextra_start_minipage;
-        
-        ///
-       string labelstring;
-       
-       ///
-       string labelwidthstring;
-       
-       ///
-       LyXParagraph * next;
+private:
        ///
-       LyXParagraph * previous;
-
-#ifndef NEW_TABULAR
-       /* table stuff -- begin*/
+       LyXParagraph * next_;
        ///
-       LyXTable * table;
-       /* table stuff -- end*/
-#endif
+       LyXParagraph * previous_;
+public:
         /// 
         InsetBibKey * bibkey;  // ale970302
 
+       ///
+       void next(LyXParagraph *);
        /** these function are able to hide closed footnotes
         */
-       LyXParagraph * Next();
-       
+       LyXParagraph * next();
        ///
-       LyXParagraph * Previous();
-       ///
-       LyXParagraph const * Previous() const;
+       LyXParagraph const * next() const;
 
-#ifndef NEW_INSETS
-       /** these function are able to hide open and closed footnotes
-        */ 
-       LyXParagraph * NextAfterFootnote();
        ///
-       LyXParagraph const * NextAfterFootnote() const;
-       
-       ///
-       LyXParagraph * PreviousBeforeFootnote();
-       ///
-       LyXParagraph * LastPhysicalPar();
-       ///
-       LyXParagraph const * LastPhysicalPar() const;
-       
+       void previous(LyXParagraph *);
        ///
-       LyXParagraph * FirstPhysicalPar();
+       LyXParagraph * previous();
        ///
-       LyXParagraph const * FirstPhysicalPar() const;
-       /// returns the physical paragraph
-       LyXParagraph * ParFromPos(size_type pos);
-       /// returns the position in the physical par
-       int PositionInParFromPos(size_type pos) const;
-#endif
+       LyXParagraph const * previous() const;
 
        /// for the environments
        LyXParagraph * DepthHook(int depth);
@@ -388,26 +229,23 @@ public:
        string const & GetLabelstring() const;
        
        /// the next two functions are for the manual labels
-       string GetLabelWidthString() const;
+       string const GetLabelWidthString() const;
        ///
        void SetLabelWidthString(string const & s);
        ///
+       inline
        LyXTextClass::LayoutList::size_type GetLayout() const;
        ///
        char GetAlign() const;
        ///
        char GetDepth() const;
        ///
-       void SetLayout(BufferParams const &,
-                      LyXTextClass::LayoutList::size_type new_layout);
+       void SetLayout(LyXTextClass::LayoutList::size_type new_layout);
        ///
-       void SetOnlyLayout(BufferParams const &,
-                          LyXTextClass::LayoutList::size_type new_layout);
+       void SetOnlyLayout(LyXTextClass::LayoutList::size_type new_layout);
        ///
        int GetFirstCounter(int i) const;
        ///
-       size_type Last() const;
-       ///
        void Erase(size_type pos);
        /** the flag determines wether the layout should be copied
         */ 
@@ -415,12 +253,13 @@ public:
        ///
        void BreakParagraphConservative(BufferParams const &, size_type pos);
        /** Get unistantiated font setting. Returns the difference
-         between the characters font and the layoutfont.
-         This is what is stored in the fonttable
-        */
-       LyXFont GetFontSettings(BufferParams const &, size_type pos) const;
+           between the characters font and the layoutfont.
+           This is what is stored in the fonttable
+       */
+       LyXFont const
+       GetFontSettings(BufferParams const &, size_type pos) const;
        ///
-       LyXFont GetFirstFontSettings() const;
+       LyXFont const GetFirstFontSettings() const;
 
        /** Get fully instantiated font. If pos == -1, use the layout
            font attached to this paragraph.
@@ -429,18 +268,17 @@ public:
            attributes with values LyXFont::INHERIT, LyXFont::IGNORE or 
            LyXFont::TOGGLE.
        */
-       LyXFont getFont(BufferParams const &, size_type pos) const;
+       LyXFont const getFont(BufferParams const &, size_type pos) const;
        ///
        value_type GetChar(size_type pos) const;
+       ///
+       value_type GetUChar(BufferParams const &, size_type pos) const;
        /// The position must already exist.
-       void SetChar(size_type pos, value_type c) {
-               text[pos] = c;
-       }
-       
+       void SetChar(size_type pos, value_type c);
        ///
        void SetFont(size_type pos, LyXFont const & font);
        ///
-        string GetWord(size_type &) const;
+        string const GetWord(size_type &) const;
        /// Returns the height of the highest font in range
        LyXFont::FONT_SIZE HighestFontInRange(size_type startpos,
                                              size_type endpos) const;
@@ -458,14 +296,10 @@ public:
        Inset * GetInset(size_type pos);
        ///
        Inset const * GetInset(size_type pos) const;
-#ifndef NEW_INSETS
-       ///
-       void OpenFootnote(size_type pos);
-       ///
-       void CloseFootnote(size_type pos);
-#endif
-       /// important for cut and paste
-       void CopyIntoMinibuffer(BufferParams const &, size_type pos) const;
+       /** important for cut and paste
+           Temporary change from BufferParams to Buffer. Will revert when we
+           get rid of the argument to Inset::Clone(Buffer const &) */
+       void CopyIntoMinibuffer(Buffer const &, size_type pos) const;
        ///
        void CutIntoMinibuffer(BufferParams const &, size_type pos);
        ///
@@ -475,10 +309,6 @@ public:
        bool IsHfill(size_type pos) const;
        ///
        bool IsInset(size_type pos) const;
-#ifndef NEW_INSETS
-       ///
-       bool IsFloat(size_type pos) const;
-#endif
        ///
        bool IsNewline(size_type pos) const;
        ///
@@ -493,13 +323,13 @@ public:
        bool IsWord(size_type pos) const;
 
        /** This one resets all layout and dtp switches but not the font
-        of the single characters
-        */ 
+           of the single characters
+       */ 
        void Clear();
 
        /** paste this paragraph with the next one
-         be carefull, this doesent make any check at all
-         */ 
+           be carefull, this doesent make any check at all
+       */ 
        void PasteParagraph(BufferParams const &);
 
        /// used to remove the error messages
@@ -508,48 +338,20 @@ public:
        /// returns -1 if inset not found
        int GetPositionOfInset(Inset * inset) const;
 
-#ifndef NEW_INSETS
-       /// ok and now some footnote functions
-       void OpenFootnotes();
-
-       ///
-       void CloseFootnotes();
-       ///
-       LyXParagraph * FirstSelfrowPar();
-#endif
-
        ///
        int StripLeadingSpaces(LyXTextClassList::size_type tclass); 
 
-#ifndef NEW_INSETS
-       /** A paragraph following a footnote is a "dummy". A paragraph
-           with a footnote in it is stored as three paragraphs:
-           First a paragraph with the text up to the footnote, then
-           one (or more) paragraphs with the footnote, and finally
-           the a paragraph with the text after the footnote. Only the
-           first paragraph keeps information  about layoutparameters, */
-       bool IsDummy() const;
-#endif
+#ifndef NO_PEXTRA_REALLY
         /* If I set a PExtra Indent on one paragraph of a ENV_LIST-TYPE
            I have to set it on each of it's elements */
        ///
-        void SetPExtraType(BufferParams const &,
-                          int type, char const * width, char const * widthp);
+        void SetPExtraType(BufferParams const &, int type,
+                          string const & width, string const & widthp);
        ///
         void UnsetPExtraType(BufferParams const &);
+#endif
        ///
        bool linuxDocConvertChar(char c, string & sgml_string);
-#ifndef NEW_TABULAR
-       ///
-       void DocBookContTableRows(Buffer const *,
-                                 std::ostream &, string & extra,
-                                 int & desc_on, size_type i,
-                                 int current_cell_number, int & column);
-       ///
-       void SimpleDocBookOneTablePar(Buffer const *,
-                                     std::ostream &, string & extra,
-                                     int & desc_on, int depth);
-#endif
 private:
        ///
        struct InsetTable {
@@ -558,7 +360,7 @@ private:
                ///
                Inset * inset;
                ///
-               InsetTable(size_type p, Inset * i) { pos = p; inset = i;}
+               InsetTable(size_type p, Inset * i) : pos(p), inset(i) {}
        };
        ///
        friend struct matchIT;
@@ -572,31 +374,46 @@ private:
                }
        };
        /** A font entry covers a range of positions. Notice that the
-         entries in the list are inserted in random order.
-         I don't think it's worth the effort to implement a more effective
-         datastructure, because the number of different fonts in a paragraph
-         is limited. (Asger)
-         Nevertheless, I decided to store fontlist using a sorted vector:
-         fontlist = { {pos_1,font_1} , {pos_2,font_2} , ... } where
-         pos_1 < pos_2 < ..., font_{i-1} != font_i for all i,
-         and font_i covers the chars in positions pos_{i-1}+1,...,pos_i
-         (font_1 covers the chars 0,...,pos_1) (Dekel)
+           entries in the list are inserted in random order.
+           I don't think it's worth the effort to implement a more effective
+           datastructure, because the number of different fonts in a paragraph
+           is limited. (Asger)
+           Nevertheless, I decided to store fontlist using a sorted vector:
+           fontlist = { {pos_1,font_1} , {pos_2,font_2} , ... } where
+           pos_1 < pos_2 < ..., font_{i-1} != font_i for all i,
+           and font_i covers the chars in positions pos_{i-1}+1,...,pos_i
+           (font_1 covers the chars 0,...,pos_1) (Dekel)
        */
        struct FontTable  {
+               ///
+               FontTable(size_type p, LyXFont const & f)
+                       : pos_(p)
+                       {
+                               font_ = container.get(f);
+                       }
+               ///
+               size_type pos() const { return pos_; }
+               ///
+               void pos(size_type p) { pos_ = p; }
+               ///
+               LyXFont const & font() const { return *font_; }
+               ///
+               void font(LyXFont const & f) { font_ = container.get(f);}
+       private:
                /// End position of paragraph this font attribute covers
-               size_type pos;
+               size_type pos_;
                /** Font. Interpretation of the font values:
-               If a value is LyXFont::INHERIT_*, it means that the font 
-               attribute is inherited from either the layout of this
-               paragraph or, in the case of nested paragraphs, from the 
-               layout in the environment one level up until completely 
-               resolved.
-               The values LyXFont::IGNORE_* and LyXFont::TOGGLE are NOT 
-               allowed in these font tables.
+                   If a value is LyXFont::INHERIT_*, it means that the font 
+                   attribute is inherited from either the layout of this
+                   paragraph or, in the case of nested paragraphs, from the 
+                   layout in the environment one level up until completely 
+                   resolved.
+                   The values LyXFont::IGNORE_* and LyXFont::TOGGLE are NOT 
+                   allowed in these font tables.
                */
-               LyXFont font;
+               boost::shared_ptr<LyXFont> font_;
                ///
-               FontTable(size_type p, LyXFont const & f) {pos = p; font = f;}
+               static ShareContainer<LyXFont> container;
        };
        ///
        friend struct matchFT;
@@ -606,7 +423,7 @@ private:
                inline
                int operator()(LyXParagraph::FontTable const & a,
                               LyXParagraph::FontTable const & b) const {
-                       return a.pos < b.pos;
+                       return a.pos() < b.pos();
                }
        };
 
@@ -620,30 +437,7 @@ private:
        InsetList insetlist;
        ///
        LyXParagraph * TeXDeeper(Buffer const *, BufferParams const &,
-                                std::ostream &, TexRow & texrow
-#ifndef NEW_INSETS
-                                ,std::ostream & foot, TexRow & foot_texrow,
-                                int & foot_count
-#endif
-               );
-#ifndef NEW_INSETS
-       ///
-       LyXParagraph * TeXFootnote(Buffer const *, BufferParams const &,
-                                  std::ostream &, TexRow & texrow,
-                                  std::ostream & foot, TexRow & foot_texrow,
-                                  int & foot_count,
-                                  bool parent_is_rtl);
-#endif
-#ifndef NEW_TABULAR
-       ///
-       bool SimpleTeXOneTablePar(Buffer const *, BufferParams const &,
-                                 std::ostream &, TexRow & texrow);
-       ///
-       bool TeXContTableRows(Buffer const *, BufferParams const &,
-                             std::ostream &, size_type i,
-                             int current_cell_number,
-                              int & column, TexRow & texrow);
-#endif
+                                std::ostream &, TexRow & texrow);
        ///
        void SimpleTeXBlanks(std::ostream &, TexRow & texrow,
                             size_type const i,
@@ -678,7 +472,7 @@ public:
                ///
                Inset * operator*() { return (*it).inset; }
                ///
-               size_type getPos() {return (*it).pos; }
+               size_type getPos() const {return (*it).pos; }
                ///
                bool operator==(inset_iterator const & iter) const {
                        return it == iter.it;
@@ -692,15 +486,120 @@ public:
                InsetList::iterator it;
        };
        ///
-       inset_iterator inset_iterator_begin() {
-               return inset_iterator(insetlist.begin());
-       }
+       inset_iterator inset_iterator_begin();
        ///
-       inset_iterator inset_iterator_end() {
-               return inset_iterator(insetlist.end());
-       }
+       inset_iterator inset_iterator_end();
        ///
        inset_iterator InsetIterator(size_type pos);
 };
 
+
+inline
+LyXParagraph::size_type LyXParagraph::size() const
+{
+       return text.size();
+}
+
+
+inline
+LyXParagraph::value_type
+LyXParagraph::GetChar(LyXParagraph::size_type pos) const
+{
+       lyx::Assert(pos <= size());
+       // This is stronger, and I belive that this is the assertion
+       // that we should really use. (Lgb)
+       //Assert(pos < size());
+
+       // Then this has no meaning. (Lgb)
+       if (!size() || pos == size()) return '\0';
+       
+       return text[pos];
+}
+
+
+inline
+int LyXParagraph::id() const
+{
+       return id_;
+}
+
+
+inline
+void  LyXParagraph::id(int id_arg)
+{
+       id_ = id_arg;
+}
+
+
+inline
+LyXTextClass::size_type LyXParagraph::GetLayout() const
+{
+       return layout;
+}
+
+
+inline
+bool LyXParagraph::IsFirstInSequence() const
+{
+       LyXParagraph const * dhook = DepthHook(GetDepth());
+       return (dhook == this
+               || dhook->GetLayout() != GetLayout()
+               || dhook->GetDepth() != GetDepth());
+}
+
+
+inline
+Inset * LyXParagraph::InInset()
+{
+       return inset_owner;
+}
+
+
+inline
+void LyXParagraph::clearContents()
+{
+       text.clear();
+}
+
+
+inline
+void LyXParagraph::setCounter(int i, int v)
+{
+       counter_[i] = v;
+}
+
+
+inline
+int LyXParagraph::getCounter(int i) const
+{
+       return counter_[i];
+}
+
+
+inline
+void LyXParagraph::incCounter(int i)
+{
+       counter_[i]++;
+}
+
+
+inline
+void LyXParagraph::SetChar(size_type pos, value_type c)
+{
+       text[pos] = c;
+}
+
+
+inline
+LyXParagraph::inset_iterator LyXParagraph::inset_iterator_begin()
+{
+       return inset_iterator(insetlist.begin());
+}
+
+
+inline
+LyXParagraph::inset_iterator LyXParagraph::inset_iterator_end()
+{
+       return inset_iterator(insetlist.end());
+}
 #endif