#include "insets/insetbase.h" // only for InsetBase::Code
-#include "support/types.h"
-#include <string>
-#include <utility>
+namespace lyx {
+
class Buffer;
class BufferParams;
class TexRow;
+class FontSpan {
+public:
+ /// Invalid font span containing no character
+ FontSpan() : first(0), last(-1) {}
+ /// Span including first and last
+ FontSpan(pos_type f, pos_type l) : first(f), last(l) {}
+
+public:
+ /// Range including first and last.
+ pos_type first, last;
+};
+
+/// Helper class for Paragraph Metrics.
+/// \todo FIXME: this class deserves its own .[Ch] files.
+/// Then, the storage of such object should be done in \c BufferView
+/// (most probably in the \c CoordCache class along \c Point objects).
+class ParagraphMetrics {
+public:
+ ParagraphMetrics();
+ ParagraphMetrics(ParagraphMetrics const & pm);
+ ParagraphMetrics & operator=(ParagraphMetrics const & pm);
+ ///
+ Row & getRow(pos_type pos, bool boundary);
+ ///
+ Row const & getRow(pos_type pos, bool boundary) const;
+ ///
+ size_t pos2row(pos_type pos) const;
+
+ /// LyXText::redoParagraph updates this
+ Dimension & dim() { return dim_; }
+ /// total height of paragraph
+ unsigned int height() const { return dim_.height(); }
+ /// total width of paragraph, may differ from workwidth
+ unsigned int width() const { return dim_.width(); }
+ /// ascend of paragraph above baseline
+ unsigned int ascent() const { return dim_.ascent(); }
+ /// descend of paragraph below baseline
+ unsigned int descent() const { return dim_.descent(); }
+ /// LyXText updates the rows using this access point
+ RowList & rows() { return rows_; }
+ /// The painter and others use this
+ RowList const & rows() const { return rows_; }
+ ///
+ RowSignature & rowSignature() const { return rowSignature_; }
+
+ /// dump some information to lyxerr
+ void dump() const;
+
+private:
+ ///
+ mutable RowList rows_;
+ ///
+ mutable RowSignature rowSignature_;
+ /// cached dimensions of paragraph
+ Dimension dim_;
+};
+
+
/// A Paragraph holds all text, attributes and insets in a text paragraph
-class Paragraph {
+/// \todo FIXME: any reference to ParagraphMetrics (including inheritance)
+/// should go in order to complete the Model/View separation of this class.
+class Paragraph: public ParagraphMetrics {
public:
///
enum {
/// (returning 0) - if this was 0, then we'd
/// try getInset() and crash. We should fix
/// all these places.
- META_INSET = 1
+ //META_INSET = 1 // as in trunk
+ META_INSET = 0x200001 // above 0x10ffff, for ucs-4
};
///
- typedef char value_type;
- ///
- typedef lyx::depth_type depth_type;
+ typedef char_type value_type;
///
typedef std::vector<value_type> TextContainer;
bool isMultiLingual(BufferParams const &) const;
///
- std::string const asString(Buffer const &,
+ docstring const asString(Buffer const &,
OutputParams const & runparams,
bool label) const;
///
- std::string const asString(Buffer const &, bool label) const;
+ docstring const asString(Buffer const &, bool label) const;
///
- std::string const Paragraph::asString(Buffer const & buffer,
- lyx::pos_type beg,
- lyx::pos_type end,
- bool label) const;
+ docstring const asString(Buffer const & buffer,
+ pos_type beg,
+ pos_type end,
+ bool label) const;
///
- std::string const asString(Buffer const &,
+ docstring const asString(Buffer const &,
OutputParams const & runparams,
- lyx::pos_type beg,
- lyx::pos_type end,
+ pos_type beg,
+ pos_type end,
bool label) const;
///
void validate(LaTeXFeatures &) const;
///
- int startTeXParParams(BufferParams const &, std::ostream &, bool) const;
+ int startTeXParParams(BufferParams const &, odocstream &, bool) const;
///
- int endTeXParParams(BufferParams const &, std::ostream &, bool) const;
+ int endTeXParParams(BufferParams const &, odocstream &, bool) const;
///
bool simpleTeXOnePar(Buffer const &, BufferParams const &,
- LyXFont const & outerfont, std::ostream &,
+ LyXFont const & outerfont, odocstream &,
TexRow & texrow, OutputParams const &) const;
- /// Writes to stream the content of the paragraph for linuxdoc
- void simpleLinuxDocOnePar(Buffer const & buf,
- std::ostream & os,
- LyXFont const & outerfont,
- OutputParams const & runparams,
- lyx::depth_type depth) const;
-
/// Can we drop the standard paragraph wrapper?
bool emptyTag() const;
- /// Get the id of the paragraph, usefull for docbook and linuxdoc
+ /// Get the id of the paragraph, usefull for docbook
std::string getID(Buffer const & buf,
OutputParams const & runparams) const;
// Get the first word of a paragraph, return the position where it left
- lyx::pos_type getFirstWord(Buffer const & buf,
- std::ostream & os,
+ pos_type getFirstWord(Buffer const & buf,
+ odocstream & os,
OutputParams const & runparams) const;
/// Checks if the paragraph contains only text and no inset or font change.
bool onlyText(Buffer const & buf, LyXFont const & outerfont,
- lyx::pos_type initial) const;
+ pos_type initial) const;
/// Writes to stream the docbook representation
void simpleDocBookOnePar(Buffer const & buf,
- std::ostream &,
+ odocstream &,
OutputParams const & runparams,
LyXFont const & outerfont,
- lyx::pos_type initial = 0) const;
+ pos_type initial = 0) const;
///
bool hasSameLayout(Paragraph const & par) const;
bool forceDefaultParagraphs() const;
///
- lyx::pos_type size() const { return text_.size(); }
+ pos_type size() const { return text_.size(); }
///
bool empty() const { return text_.empty(); }
///
- void setContentsFromPar(Paragraph const & par);
- ///
void clearContents();
///
///
InsetBibitem * bibitem() const; // ale970302
- /// initialise tracking for this par
- void trackChanges(Change::Type = Change::UNCHANGED);
-
- /// stop tracking
- void untrackChanges();
-
- /// set entire paragraph to new text for change tracking
- void cleanChanges();
-
- /// look up change type at given pos
- Change::Type lookupChange(lyx::pos_type pos) const;
-
/// look up change at given pos
- Change const lookupChangeFull(lyx::pos_type pos) const;
+ Change const lookupChange(pos_type pos) const;
/// is there a change within the given range ?
- bool isChanged(lyx::pos_type start, lyx::pos_type end) const;
+ bool isChanged(pos_type start, pos_type end) const;
+ /// is there an unchanged char at the given pos ?
+ bool isUnchanged(pos_type pos) const {
+ return lookupChange(pos).type == Change::UNCHANGED;
+ }
+ /// is there an insertion at the given pos ?
+ bool isInserted(pos_type pos) const {
+ return lookupChange(pos).type == Change::INSERTED;
+ }
+ /// is there a deletion at the given pos ?
+ bool isDeleted(pos_type pos) const {
+ return lookupChange(pos).type == Change::DELETED;
+ }
- /// is there a non-addition in this range ?
- bool isChangeEdited(lyx::pos_type start, lyx::pos_type end) const;
+ /// will the paragraph be physically merged with the next
+ /// one if the imaginary end-of-par character is logically deleted?
+ bool isMergedOnEndOfParDeletion(bool trackChanges) const;
- /// set change at pos
- void setChange(lyx::pos_type pos, Change::Type type);
+ /// set change for the entire par
+ void setChange(Change const & change);
- /// accept change
- void acceptChange(lyx::pos_type start, lyx::pos_type end);
+ /// set change at given pos
+ void setChange(pos_type pos, Change const & change);
- /// reject change
- void rejectChange(lyx::pos_type start, lyx::pos_type end);
+ /// accept changes within the given range
+ void acceptChanges(pos_type start, pos_type end);
- /// mark whole par as erased
- void markErased();
+ /// reject changes within the given range
+ void rejectChanges(pos_type start, pos_type end);
/// Paragraphs can contain "manual labels", for example, Description
/// environment. The text for this user-editable label is stored in
/// the paragraph alongside the text of the rest of the paragraph
/// (the body). This function returns the starting position of the
/// body of the text in the paragraph.
- lyx::pos_type beginOfBody() const;
+ pos_type beginOfBody() const;
/// recompute this value
void setBeginOfBody();
///
- std::string const & getLabelstring() const;
+ docstring const & getLabelstring() const;
/// the next two functions are for the manual labels
- std::string const getLabelWidthString() const;
- ///
- void setLabelWidthString(std::string const & s);
+ docstring const getLabelWidthString() const;
///
+ void setLabelWidthString(docstring const & s);
+ /// Actual paragraph alignment used
char getAlign() const;
/// The nesting depth of a paragraph
depth_type getDepth() const;
///
void applyLayout(LyXLayout_ptr const & new_layout);
- /// definite erase
- void eraseIntern(lyx::pos_type pos);
- /// erase the char at the given position
- bool erase(lyx::pos_type pos);
- /// erase the given range. Returns the number of chars actually erased
- int erase(lyx::pos_type start, lyx::pos_type end);
+ /// (logically) erase the char at pos; return true if it was actually erased
+ bool eraseChar(pos_type pos, bool trackChanges);
+ /// (logically) erase the given range; return the number of chars actually erased
+ int eraseChars(pos_type start, pos_type end, bool trackChanges);
/** Get uninstantiated font setting. Returns the difference
between the characters font and the layoutfont.
This is what is stored in the fonttable
*/
LyXFont const
- getFontSettings(BufferParams const &, lyx::pos_type pos) const;
+ getFontSettings(BufferParams const &, pos_type pos) const;
///
- LyXFont const getFirstFontSettings() const;
+ LyXFont const getFirstFontSettings(BufferParams const &) const;
/** Get fully instantiated font. If pos == -1, use the layout
font attached to this paragraph.
attributes with values LyXFont::INHERIT, LyXFont::IGNORE or
LyXFont::TOGGLE.
*/
- LyXFont const getFont(BufferParams const &, lyx::pos_type pos,
+ LyXFont const getFont(BufferParams const &, pos_type pos,
LyXFont const & outerfont) const;
LyXFont const getLayoutFont(BufferParams const &,
LyXFont const & outerfont) const;
/**
* The font returned by the above functions is the same in a
* span of characters. This method will return the first and
- * the last last positions in the paragraph for which that
- * font is the same. This can be used to avoid unnecessary
- * calls to getFont.
+ * the last positions in the paragraph for which that font is
+ * the same. This can be used to avoid unnecessary calls to
+ * getFont.
*/
- std::pair<lyx::pos_type, lyx::pos_type> getFontSpan(lyx::pos_type pos) const;
+ FontSpan fontSpan(pos_type pos) const;
///
/// this is a bottleneck.
- value_type getChar(lyx::pos_type pos) const { return text_[pos]; }
+ value_type getChar(pos_type pos) const { return text_[pos]; }
/// Get the char, but mirror all bracket characters if it is right-to-left
- value_type getUChar(BufferParams const &, lyx::pos_type pos) const;
- /// The position must already exist.
- void setChar(lyx::pos_type pos, value_type c);
+ value_type getUChar(BufferParams const &, pos_type pos) const;
/// pos <= size() (there is a dummy font change at the end of each par)
- void setFont(lyx::pos_type pos, LyXFont const & font);
+ void setFont(pos_type pos, LyXFont const & font);
/// Returns the height of the highest font in range
- LyXFont_size highestFontInRange(lyx::pos_type startpos,
- lyx::pos_type endpos,
- LyXFont_size def_size) const;
+ LyXFont_size highestFontInRange(pos_type startpos,
+ pos_type endpos, LyXFont_size def_size) const;
///
- void insert(lyx::pos_type pos, std::string const & str,
- LyXFont const & font);
+ void insert(pos_type pos, docstring const & str,
+ LyXFont const & font, Change const & change);
///
- void insertChar(lyx::pos_type pos, value_type c,
- Change change = Change::INSERTED);
+ void insertChar(pos_type pos, value_type c, bool trackChanges);
///
- void insertChar(lyx::pos_type pos, value_type c,
- LyXFont const &, Change change = Change::INSERTED);
+ void insertChar(pos_type pos, value_type c,
+ LyXFont const &, bool trackChanges);
///
- void insertInset(lyx::pos_type pos, InsetBase * inset,
- Change change = Change::INSERTED);
+ void insertChar(pos_type pos, value_type c,
+ LyXFont const &, Change const & change);
///
- void insertInset(lyx::pos_type pos, InsetBase * inset,
- LyXFont const &, Change change = Change::INSERTED);
+ void insertInset(pos_type pos, InsetBase * inset,
+ Change const & change);
///
- bool insetAllowed(InsetBase_code code);
+ void insertInset(pos_type pos, InsetBase * inset,
+ LyXFont const &, Change const & change);
///
- InsetBase * getInset(lyx::pos_type pos);
+ bool insetAllowed(InsetBase_code code);
///
- InsetBase const * getInset(lyx::pos_type pos) const;
+ InsetBase * getInset(pos_type pos) {
+ return insetlist.get(pos);
+ }
///
- InsetList insetlist;
-
+ InsetBase const * getInset(pos_type pos) const {
+ return insetlist.get(pos);
+ }
///
- bool isHfill(lyx::pos_type pos) const;
+ bool isHfill(pos_type pos) const {
+ return isInset(pos)
+ && getInset(pos)->lyxCode() == InsetBase::HFILL_CODE;
+ }
/// hinted by profiler
- bool isInset(lyx::pos_type pos) const {
+ bool isInset(pos_type pos) const {
return getChar(pos) == static_cast<value_type>(META_INSET);
}
///
- bool isNewline(lyx::pos_type pos) const;
- ///
- bool isSeparator(lyx::pos_type pos) const;
+ bool isNewline(pos_type pos) const;
+ /// return true if the char is a word separator
+ bool isSeparator(pos_type pos) const { return getChar(pos) == ' '; }
///
- bool isLineSeparator(lyx::pos_type pos) const;
+ bool isLineSeparator(pos_type pos) const;
/// True if the character/inset at this point can be part of a word
// Note that digits in particular are considered as letters
- bool isLetter(lyx::pos_type pos) const;
+ bool isLetter(pos_type pos) const;
/// returns -1 if inset not found
int getPositionOfInset(InsetBase const * inset) const;
/// return true if we allow this par to stay empty
bool allowEmpty() const;
///
- unsigned char transformChar(unsigned char c, lyx::pos_type pos) const;
+ char_type transformChar(char_type c, pos_type pos) const;
///
ParagraphParameters & params();
///
ParagraphParameters const & params() const;
-
- ///
- Row & getRow(lyx::pos_type pos, bool boundary);
- ///
- Row const & getRow(lyx::pos_type pos, bool boundary) const;
///
- size_t pos2row(lyx::pos_type pos) const;
-
- /// total height of paragraph
- unsigned int height() const { return dim_.height(); }
- /// total width of paragraph, may differ from workwidth
- unsigned int width() const { return dim_.width(); }
- /// ascend of paragraph above baseline
- unsigned int ascent() const { return dim_.ascent(); }
- /// descend of paragraph below baseline
- unsigned int descent() const { return dim_.descent(); }
- /// LyXText updates the rows using this access point
- RowList & rows() { return rows_; }
- /// The painter and others use this
- RowList const & rows() const { return rows_; }
+ bool hfillExpansion(Row const & row, pos_type pos) const;
- /// LyXText::redoParagraph updates this
- Dimension & dim() { return dim_; }
+public:
+ ///
+ InsetList insetlist;
- /// dump some information to lyxerr
- void dump() const;
private:
- /// cached dimensions of paragraph
- Dimension dim_;
- ///
- mutable RowList rows_;
///
LyXLayout_ptr layout_;
/**
*/
TextContainer text_;
/// end of label
- lyx::pos_type begin_of_body_;
+ pos_type begin_of_body_;
+ /// Pimpl away stuff
class Pimpl;
///
friend class Paragraph::Pimpl;
Pimpl * pimpl_;
};
-
-inline bool isInsertedText(Paragraph const & par, lyx::pos_type pos)
-{
- return par.lookupChange(pos) == Change::INSERTED;
-}
-
-
-inline bool isDeletedText(Paragraph const & par, lyx::pos_type pos)
-{
- return par.lookupChange(pos) == Change::DELETED;
-}
+} // namespace lyx
#endif // PARAGRAPH_H